Merge git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.txt b/Documentation/devicetree/bindings/net/dsa/dsa.txt
index 04e6bef..5fdbbcd 100644
--- a/Documentation/devicetree/bindings/net/dsa/dsa.txt
+++ b/Documentation/devicetree/bindings/net/dsa/dsa.txt
@@ -31,6 +31,8 @@
switch. Must be set if the switch can not detect
the presence and/or size of a connected EEPROM,
otherwise optional.
+- reset-gpios : phandle and specifier to a gpio line connected to
+ reset pin of the switch chip.
A switch may have multiple "port" children nodes
@@ -114,6 +116,7 @@
#size-cells = <0>;
reg = <17 1>; /* MDIO address 17, switch 1 in tree */
mii-bus = <&mii_bus1>;
+ reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
switch1port0: port@0 {
reg = <0>;
diff --git a/Documentation/devicetree/bindings/net/hisilicon-hns-mdio.txt b/Documentation/devicetree/bindings/net/hisilicon-hns-mdio.txt
index 9c23fdf..4a7ede9 100644
--- a/Documentation/devicetree/bindings/net/hisilicon-hns-mdio.txt
+++ b/Documentation/devicetree/bindings/net/hisilicon-hns-mdio.txt
@@ -1,7 +1,12 @@
Hisilicon MDIO bus controller
Properties:
-- compatible: "hisilicon,mdio","hisilicon,hns-mdio".
+- compatible: can be one of:
+ "hisilicon,hns-mdio"
+ "hisilicon,mdio"
+ "hisilicon,hns-mdio" is recommended to be used for hip05 and later SOCs,
+ while "hisilicon,mdio" is optional for backwards compatibility only on
+ hip04 Soc.
- reg: The base address of the MDIO bus controller register bank.
- #address-cells: Must be <1>.
- #size-cells: Must be <0>. MDIO addresses have no size component.
diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
index 616ec2a..72d8bfa 100644
--- a/drivers/bluetooth/bfusb.c
+++ b/drivers/bluetooth/bfusb.c
@@ -324,7 +324,7 @@
return -ENOMEM;
}
- bt_cb(skb)->pkt_type = pkt_type;
+ hci_skb_pkt_type(skb) = pkt_type;
data->reassembly = skb;
} else {
@@ -469,9 +469,10 @@
unsigned char buf[3];
int sent = 0, size, count;
- BT_DBG("hdev %p skb %p type %d len %d", hdev, skb, bt_cb(skb)->pkt_type, skb->len);
+ BT_DBG("hdev %p skb %p type %d len %d", hdev, skb,
+ hci_skb_pkt_type(skb), skb->len);
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
break;
@@ -484,7 +485,7 @@
}
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
count = skb->len;
diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c
index 36fa1c9..c0b3b55 100644
--- a/drivers/bluetooth/bluecard_cs.c
+++ b/drivers/bluetooth/bluecard_cs.c
@@ -261,7 +261,7 @@
if (!skb)
break;
- if (bt_cb(skb)->pkt_type & 0x80) {
+ if (hci_skb_pkt_type(skb) & 0x80) {
/* Disable RTS */
info->ctrl_reg |= REG_CONTROL_RTS;
outb(info->ctrl_reg, iobase + REG_CONTROL);
@@ -279,13 +279,13 @@
/* Mark the buffer as dirty */
clear_bit(ready_bit, &(info->tx_state));
- if (bt_cb(skb)->pkt_type & 0x80) {
+ if (hci_skb_pkt_type(skb) & 0x80) {
DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq);
DEFINE_WAIT(wait);
unsigned char baud_reg;
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case PKT_BAUD_RATE_460800:
baud_reg = REG_CONTROL_BAUD_RATE_460800;
break;
@@ -402,9 +402,9 @@
if (info->rx_state == RECV_WAIT_PACKET_TYPE) {
- bt_cb(info->rx_skb)->pkt_type = buf[i];
+ hci_skb_pkt_type(info->rx_skb) = buf[i];
- switch (bt_cb(info->rx_skb)->pkt_type) {
+ switch (hci_skb_pkt_type(info->rx_skb)) {
case 0x00:
/* init packet */
@@ -436,7 +436,8 @@
default:
/* unknown packet */
- BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
+ BT_ERR("Unknown HCI packet with type 0x%02x received",
+ hci_skb_pkt_type(info->rx_skb));
info->hdev->stat.err_rx++;
kfree_skb(info->rx_skb);
@@ -578,21 +579,21 @@
switch (baud) {
case 460800:
cmd[4] = 0x00;
- bt_cb(skb)->pkt_type = PKT_BAUD_RATE_460800;
+ hci_skb_pkt_type(skb) = PKT_BAUD_RATE_460800;
break;
case 230400:
cmd[4] = 0x01;
- bt_cb(skb)->pkt_type = PKT_BAUD_RATE_230400;
+ hci_skb_pkt_type(skb) = PKT_BAUD_RATE_230400;
break;
case 115200:
cmd[4] = 0x02;
- bt_cb(skb)->pkt_type = PKT_BAUD_RATE_115200;
+ hci_skb_pkt_type(skb) = PKT_BAUD_RATE_115200;
break;
case 57600:
/* Fall through... */
default:
cmd[4] = 0x03;
- bt_cb(skb)->pkt_type = PKT_BAUD_RATE_57600;
+ hci_skb_pkt_type(skb) = PKT_BAUD_RATE_57600;
break;
}
@@ -660,7 +661,7 @@
{
struct bluecard_info *info = hci_get_drvdata(hdev);
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
break;
@@ -673,7 +674,7 @@
}
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
skb_queue_tail(&(info->txq), skb);
bluecard_write_wakeup(info);
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 49c397e2..fd6b53e 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -295,9 +295,9 @@
return -ENOMEM;
/* Prepend skb with frame type */
- *skb_push(skb, 1) = bt_cb(skb)->pkt_type;
+ *skb_push(skb, 1) = hci_skb_pkt_type(skb);
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
if (!dr) {
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 5803aae..8165ef2 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -246,10 +246,10 @@
if (info->rx_state == RECV_WAIT_PACKET_TYPE) {
- bt_cb(info->rx_skb)->pkt_type = inb(iobase + DATA_L);
+ hci_skb_pkt_type(info->rx_skb) = inb(iobase + DATA_L);
inb(iobase + DATA_H);
- switch (bt_cb(info->rx_skb)->pkt_type) {
+ switch (hci_skb_pkt_type(info->rx_skb)) {
case HCI_EVENT_PKT:
info->rx_state = RECV_WAIT_EVENT_HEADER;
@@ -268,7 +268,8 @@
default:
/* Unknown packet */
- BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
+ BT_ERR("Unknown HCI packet with type 0x%02x received",
+ hci_skb_pkt_type(info->rx_skb));
info->hdev->stat.err_rx++;
kfree_skb(info->rx_skb);
@@ -411,7 +412,7 @@
struct bt3c_info *info = hci_get_drvdata(hdev);
unsigned long flags;
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
break;
@@ -424,7 +425,7 @@
}
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
skb_queue_tail(&(info->txq), skb);
spin_lock_irqsave(&(info->lock), flags);
diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index 6af9173..f2b38c8 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -196,7 +196,7 @@
if (len)
memcpy(skb_put(skb, len), param, len);
- bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
+ hci_skb_pkt_type(skb) = MRVL_VENDOR_PKT;
skb_queue_head(&priv->adapter->tx_queue, skb);
@@ -387,7 +387,7 @@
skb->data[0] = (skb->len & 0x0000ff);
skb->data[1] = (skb->len & 0x00ff00) >> 8;
skb->data[2] = (skb->len & 0xff0000) >> 16;
- skb->data[3] = bt_cb(skb)->pkt_type;
+ skb->data[3] = hci_skb_pkt_type(skb);
if (priv->hw_host_to_card)
ret = priv->hw_host_to_card(priv, skb->data, skb->len);
@@ -434,9 +434,9 @@
{
struct btmrvl_private *priv = hci_get_drvdata(hdev);
- BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len);
+ BT_DBG("type=%d, len=%d", hci_skb_pkt_type(skb), skb->len);
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
break;
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 71ea2a3..d3a4acd 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -698,7 +698,7 @@
case HCI_ACLDATA_PKT:
case HCI_SCODATA_PKT:
case HCI_EVENT_PKT:
- bt_cb(skb)->pkt_type = type;
+ hci_skb_pkt_type(skb) = type;
skb_put(skb, buf_len);
skb_pull(skb, SDIO_HEADER_LEN);
@@ -713,7 +713,7 @@
break;
case MRVL_VENDOR_PKT:
- bt_cb(skb)->pkt_type = HCI_VENDOR_PKT;
+ hci_skb_pkt_type(skb) = HCI_VENDOR_PKT;
skb_put(skb, buf_len);
skb_pull(skb, SDIO_HEADER_LEN);
diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
index 7b62442..2b05661 100644
--- a/drivers/bluetooth/btsdio.c
+++ b/drivers/bluetooth/btsdio.c
@@ -86,7 +86,7 @@
skb->data[0] = (skb->len & 0x0000ff);
skb->data[1] = (skb->len & 0x00ff00) >> 8;
skb->data[2] = (skb->len & 0xff0000) >> 16;
- skb->data[3] = bt_cb(skb)->pkt_type;
+ skb->data[3] = hci_skb_pkt_type(skb);
err = sdio_writesb(data->func, REG_TDAT, skb->data, skb->len);
if (err < 0) {
@@ -158,7 +158,7 @@
data->hdev->stat.byte_rx += len;
- bt_cb(skb)->pkt_type = hdr[3];
+ hci_skb_pkt_type(skb) = hdr[3];
err = hci_recv_frame(data->hdev, skb);
if (err < 0)
@@ -252,7 +252,7 @@
BT_DBG("%s", hdev->name);
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
break;
diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c
index bb8e402..9624b29 100644
--- a/drivers/bluetooth/btuart_cs.c
+++ b/drivers/bluetooth/btuart_cs.c
@@ -200,9 +200,9 @@
if (info->rx_state == RECV_WAIT_PACKET_TYPE) {
- bt_cb(info->rx_skb)->pkt_type = inb(iobase + UART_RX);
+ hci_skb_pkt_type(info->rx_skb) = inb(iobase + UART_RX);
- switch (bt_cb(info->rx_skb)->pkt_type) {
+ switch (hci_skb_pkt_type(info->rx_skb)) {
case HCI_EVENT_PKT:
info->rx_state = RECV_WAIT_EVENT_HEADER;
@@ -221,7 +221,8 @@
default:
/* Unknown packet */
- BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
+ BT_ERR("Unknown HCI packet with type 0x%02x received",
+ hci_skb_pkt_type(info->rx_skb));
info->hdev->stat.err_rx++;
kfree_skb(info->rx_skb);
@@ -424,7 +425,7 @@
{
struct btuart_info *info = hci_get_drvdata(hdev);
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
break;
@@ -437,7 +438,7 @@
}
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
skb_queue_tail(&(info->txq), skb);
btuart_write_wakeup(info);
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 92f0ee3..8063534 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -437,22 +437,22 @@
break;
}
- bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
- bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE;
+ hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
+ hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
}
- len = min_t(uint, bt_cb(skb)->expect, count);
+ len = min_t(uint, hci_skb_expect(skb), count);
memcpy(skb_put(skb, len), buffer, len);
count -= len;
buffer += len;
- bt_cb(skb)->expect -= len;
+ hci_skb_expect(skb) -= len;
if (skb->len == HCI_EVENT_HDR_SIZE) {
/* Complete event header */
- bt_cb(skb)->expect = hci_event_hdr(skb)->plen;
+ hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
- if (skb_tailroom(skb) < bt_cb(skb)->expect) {
+ if (skb_tailroom(skb) < hci_skb_expect(skb)) {
kfree_skb(skb);
skb = NULL;
@@ -461,7 +461,7 @@
}
}
- if (bt_cb(skb)->expect == 0) {
+ if (!hci_skb_expect(skb)) {
/* Complete frame */
data->recv_event(data->hdev, skb);
skb = NULL;
@@ -492,24 +492,24 @@
break;
}
- bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
- bt_cb(skb)->expect = HCI_ACL_HDR_SIZE;
+ hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
+ hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
}
- len = min_t(uint, bt_cb(skb)->expect, count);
+ len = min_t(uint, hci_skb_expect(skb), count);
memcpy(skb_put(skb, len), buffer, len);
count -= len;
buffer += len;
- bt_cb(skb)->expect -= len;
+ hci_skb_expect(skb) -= len;
if (skb->len == HCI_ACL_HDR_SIZE) {
__le16 dlen = hci_acl_hdr(skb)->dlen;
/* Complete ACL header */
- bt_cb(skb)->expect = __le16_to_cpu(dlen);
+ hci_skb_expect(skb) = __le16_to_cpu(dlen);
- if (skb_tailroom(skb) < bt_cb(skb)->expect) {
+ if (skb_tailroom(skb) < hci_skb_expect(skb)) {
kfree_skb(skb);
skb = NULL;
@@ -518,7 +518,7 @@
}
}
- if (bt_cb(skb)->expect == 0) {
+ if (!hci_skb_expect(skb)) {
/* Complete frame */
hci_recv_frame(data->hdev, skb);
skb = NULL;
@@ -549,22 +549,22 @@
break;
}
- bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
- bt_cb(skb)->expect = HCI_SCO_HDR_SIZE;
+ hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
+ hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
}
- len = min_t(uint, bt_cb(skb)->expect, count);
+ len = min_t(uint, hci_skb_expect(skb), count);
memcpy(skb_put(skb, len), buffer, len);
count -= len;
buffer += len;
- bt_cb(skb)->expect -= len;
+ hci_skb_expect(skb) -= len;
if (skb->len == HCI_SCO_HDR_SIZE) {
/* Complete SCO header */
- bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen;
+ hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
- if (skb_tailroom(skb) < bt_cb(skb)->expect) {
+ if (skb_tailroom(skb) < hci_skb_expect(skb)) {
kfree_skb(skb);
skb = NULL;
@@ -573,7 +573,7 @@
}
}
- if (bt_cb(skb)->expect == 0) {
+ if (!hci_skb_expect(skb)) {
/* Complete frame */
hci_recv_frame(data->hdev, skb);
skb = NULL;
@@ -1257,7 +1257,7 @@
BT_DBG("%s", hdev->name);
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
urb = alloc_ctrl_urb(hdev, skb);
if (IS_ERR(urb))
@@ -1853,7 +1853,7 @@
*skb_put(skb, 1) = 0x00;
- bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
+ hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
return hci_recv_frame(hdev, skb);
}
@@ -1945,7 +1945,7 @@
BT_DBG("%s", hdev->name);
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
struct hci_command_hdr *cmd = (void *)skb->data;
diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c
index 57eb935..24a652f 100644
--- a/drivers/bluetooth/btwilink.c
+++ b/drivers/bluetooth/btwilink.c
@@ -249,10 +249,10 @@
hst = hci_get_drvdata(hdev);
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
- BT_DBG("%s: type %d len %d", hdev->name, bt_cb(skb)->pkt_type,
- skb->len);
+ BT_DBG("%s: type %d len %d", hdev->name, hci_skb_pkt_type(skb),
+ skb->len);
/* Insert skb to shared transport layer's transmit queue.
* Freeing skb memory is taken care in shared transport layer,
@@ -268,7 +268,7 @@
/* ST accepted our skb. So, Go ahead and do rest */
hdev->stat.byte_tx += len;
- ti_st_tx_complete(hst, bt_cb(skb)->pkt_type);
+ ti_st_tx_complete(hst, hci_skb_pkt_type(skb));
return 0;
}
diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c
index 5026f66..6317c6f 100644
--- a/drivers/bluetooth/dtl1_cs.c
+++ b/drivers/bluetooth/dtl1_cs.c
@@ -239,7 +239,7 @@
info->rx_count = nsh->len + (nsh->len & 0x0001);
break;
case RECV_WAIT_DATA:
- bt_cb(info->rx_skb)->pkt_type = nsh->type;
+ hci_skb_pkt_type(info->rx_skb) = nsh->type;
/* remove PAD byte if it exists */
if (nsh->len & 0x0001) {
@@ -250,7 +250,7 @@
/* remove NSH */
skb_pull(info->rx_skb, NSHL);
- switch (bt_cb(info->rx_skb)->pkt_type) {
+ switch (hci_skb_pkt_type(info->rx_skb)) {
case 0x80:
/* control data for the Nokia Card */
dtl1_control(info, info->rx_skb);
@@ -259,12 +259,13 @@
case 0x83:
case 0x84:
/* send frame to the HCI layer */
- bt_cb(info->rx_skb)->pkt_type &= 0x0f;
+ hci_skb_pkt_type(info->rx_skb) &= 0x0f;
hci_recv_frame(info->hdev, info->rx_skb);
break;
default:
/* unknown packet */
- BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
+ BT_ERR("Unknown HCI packet with type 0x%02x received",
+ hci_skb_pkt_type(info->rx_skb));
kfree_skb(info->rx_skb);
break;
}
@@ -386,7 +387,7 @@
struct sk_buff *s;
struct nsh nsh;
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
nsh.type = 0x81;
diff --git a/drivers/bluetooth/hci_ath.c b/drivers/bluetooth/hci_ath.c
index d776dfd..0ccf6bf 100644
--- a/drivers/bluetooth/hci_ath.c
+++ b/drivers/bluetooth/hci_ath.c
@@ -205,7 +205,7 @@
{
struct ath_struct *ath = hu->priv;
- if (bt_cb(skb)->pkt_type == HCI_SCODATA_PKT) {
+ if (hci_skb_pkt_type(skb) == HCI_SCODATA_PKT) {
kfree_skb(skb);
return 0;
}
@@ -213,7 +213,7 @@
/* Update power management enable flag with parameters of
* HCI sleep enable vendor specific HCI command.
*/
- if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) {
+ if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT) {
struct hci_command_hdr *hdr = (void *)skb->data;
if (__le16_to_cpu(hdr->opcode) == HCI_OP_ATH_SLEEP)
@@ -223,7 +223,7 @@
BT_DBG("hu %p skb %p", hu, skb);
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
skb_queue_tail(&ath->txq, skb);
set_bit(HCI_UART_SENDING, &hu->tx_state);
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index cb852cc..3eed35e 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -472,7 +472,7 @@
bt_dev_dbg(hu->hdev, "hu %p skb %p", hu, skb);
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
skb_queue_tail(&bcm->txq, skb);
return 0;
diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
index d0b615a..064f2fe 100644
--- a/drivers/bluetooth/hci_bcsp.c
+++ b/drivers/bluetooth/hci_bcsp.c
@@ -155,7 +155,7 @@
return 0;
}
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_ACLDATA_PKT:
case HCI_COMMAND_PKT:
skb_queue_tail(&bcsp->rel, skb);
@@ -231,7 +231,7 @@
if (!nskb)
return NULL;
- bt_cb(nskb)->pkt_type = pkt_type;
+ hci_skb_pkt_type(nskb) = pkt_type;
bcsp_slip_msgdelim(nskb);
@@ -291,7 +291,10 @@
skb = skb_dequeue(&bcsp->unrel);
if (skb != NULL) {
- struct sk_buff *nskb = bcsp_prepare_pkt(bcsp, skb->data, skb->len, bt_cb(skb)->pkt_type);
+ struct sk_buff *nskb;
+
+ nskb = bcsp_prepare_pkt(bcsp, skb->data, skb->len,
+ hci_skb_pkt_type(skb));
if (nskb) {
kfree_skb(skb);
return nskb;
@@ -310,8 +313,10 @@
if (bcsp->unack.qlen < BCSP_TXWINSIZE) {
skb = skb_dequeue(&bcsp->rel);
if (skb != NULL) {
- struct sk_buff *nskb = bcsp_prepare_pkt(bcsp, skb->data, skb->len,
- bt_cb(skb)->pkt_type);
+ struct sk_buff *nskb;
+
+ nskb = bcsp_prepare_pkt(bcsp, skb->data, skb->len,
+ hci_skb_pkt_type(skb));
if (nskb) {
__skb_queue_tail(&bcsp->unack, skb);
mod_timer(&bcsp->tbcsp, jiffies + HZ / 4);
@@ -412,7 +417,7 @@
if (!nskb)
return;
memcpy(skb_put(nskb, 4), conf_rsp_pkt, 4);
- bt_cb(nskb)->pkt_type = BCSP_LE_PKT;
+ hci_skb_pkt_type(nskb) = BCSP_LE_PKT;
skb_queue_head(&bcsp->unrel, nskb);
hci_uart_tx_wakeup(hu);
@@ -494,14 +499,14 @@
bcsp_pkt_cull(bcsp);
if ((bcsp->rx_skb->data[1] & 0x0f) == 6 &&
bcsp->rx_skb->data[0] & 0x80) {
- bt_cb(bcsp->rx_skb)->pkt_type = HCI_ACLDATA_PKT;
+ hci_skb_pkt_type(bcsp->rx_skb) = HCI_ACLDATA_PKT;
pass_up = 1;
} else if ((bcsp->rx_skb->data[1] & 0x0f) == 5 &&
bcsp->rx_skb->data[0] & 0x80) {
- bt_cb(bcsp->rx_skb)->pkt_type = HCI_EVENT_PKT;
+ hci_skb_pkt_type(bcsp->rx_skb) = HCI_EVENT_PKT;
pass_up = 1;
} else if ((bcsp->rx_skb->data[1] & 0x0f) == 7) {
- bt_cb(bcsp->rx_skb)->pkt_type = HCI_SCODATA_PKT;
+ hci_skb_pkt_type(bcsp->rx_skb) = HCI_SCODATA_PKT;
pass_up = 1;
} else if ((bcsp->rx_skb->data[1] & 0x0f) == 1 &&
!(bcsp->rx_skb->data[0] & 0x80)) {
@@ -523,7 +528,7 @@
hdr.evt = 0xff;
hdr.plen = bcsp->rx_skb->len;
memcpy(skb_push(bcsp->rx_skb, HCI_EVENT_HDR_SIZE), &hdr, HCI_EVENT_HDR_SIZE);
- bt_cb(bcsp->rx_skb)->pkt_type = HCI_EVENT_PKT;
+ hci_skb_pkt_type(bcsp->rx_skb) = HCI_EVENT_PKT;
hci_recv_frame(hu->hdev, bcsp->rx_skb);
} else {
diff --git a/drivers/bluetooth/hci_h4.c b/drivers/bluetooth/hci_h4.c
index a6fce48..635597b 100644
--- a/drivers/bluetooth/hci_h4.c
+++ b/drivers/bluetooth/hci_h4.c
@@ -108,7 +108,7 @@
BT_DBG("hu %p skb %p", hu, skb);
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
skb_queue_tail(&h4->txq, skb);
return 0;
@@ -184,8 +184,8 @@
if (!skb)
return ERR_PTR(-ENOMEM);
- bt_cb(skb)->pkt_type = (&pkts[i])->type;
- bt_cb(skb)->expect = (&pkts[i])->hlen;
+ hci_skb_pkt_type(skb) = (&pkts[i])->type;
+ hci_skb_expect(skb) = (&pkts[i])->hlen;
break;
}
@@ -197,18 +197,18 @@
buffer += 1;
}
- len = min_t(uint, bt_cb(skb)->expect - skb->len, count);
+ len = min_t(uint, hci_skb_expect(skb) - skb->len, count);
memcpy(skb_put(skb, len), buffer, len);
count -= len;
buffer += len;
/* Check for partial packet */
- if (skb->len < bt_cb(skb)->expect)
+ if (skb->len < hci_skb_expect(skb))
continue;
for (i = 0; i < pkts_count; i++) {
- if (bt_cb(skb)->pkt_type == (&pkts[i])->type)
+ if (hci_skb_pkt_type(skb) == (&pkts[i])->type)
break;
}
@@ -228,7 +228,7 @@
case 1:
/* Single octet variable length */
dlen = skb->data[(&pkts[i])->loff];
- bt_cb(skb)->expect += dlen;
+ hci_skb_expect(skb) += dlen;
if (skb_tailroom(skb) < dlen) {
kfree_skb(skb);
@@ -239,7 +239,7 @@
/* Double octet variable length */
dlen = get_unaligned_le16(skb->data +
(&pkts[i])->loff);
- bt_cb(skb)->expect += dlen;
+ hci_skb_expect(skb) += dlen;
if (skb_tailroom(skb) < dlen) {
kfree_skb(skb);
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index abee221..db039f2 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -51,7 +51,7 @@
#define H5_HDR_CRC(hdr) (((hdr)[0] >> 6) & 0x01)
#define H5_HDR_RELIABLE(hdr) (((hdr)[0] >> 7) & 0x01)
#define H5_HDR_PKT_TYPE(hdr) ((hdr)[1] & 0x0f)
-#define H5_HDR_LEN(hdr) ((((hdr)[1] >> 4) & 0xff) + ((hdr)[2] << 4))
+#define H5_HDR_LEN(hdr) ((((hdr)[1] >> 4) & 0x0f) + ((hdr)[2] << 4))
#define SLIP_DELIMITER 0xc0
#define SLIP_ESC 0xdb
@@ -107,7 +107,7 @@
if (!nskb)
return;
- bt_cb(nskb)->pkt_type = HCI_3WIRE_LINK_PKT;
+ hci_skb_pkt_type(nskb) = HCI_3WIRE_LINK_PKT;
memcpy(skb_put(nskb, len), data, len);
@@ -119,7 +119,7 @@
u8 field = 0;
/* Sliding window size (first 3 bits) */
- field |= (h5->tx_win & 7);
+ field |= (h5->tx_win & 0x07);
return field;
}
@@ -360,7 +360,7 @@
case HCI_EVENT_PKT:
case HCI_ACLDATA_PKT:
case HCI_SCODATA_PKT:
- bt_cb(h5->rx_skb)->pkt_type = H5_HDR_PKT_TYPE(hdr);
+ hci_skb_pkt_type(h5->rx_skb) = H5_HDR_PKT_TYPE(hdr);
/* Remove Three-wire header */
skb_pull(h5->rx_skb, 4);
@@ -562,7 +562,7 @@
return 0;
}
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_ACLDATA_PKT:
case HCI_COMMAND_PKT:
skb_queue_tail(&h5->rel, skb);
@@ -573,7 +573,7 @@
break;
default:
- BT_ERR("Unknown packet type %u", bt_cb(skb)->pkt_type);
+ BT_ERR("Unknown packet type %u", hci_skb_pkt_type(skb));
kfree_skb(skb);
break;
}
@@ -642,7 +642,7 @@
if (!nskb)
return NULL;
- bt_cb(nskb)->pkt_type = pkt_type;
+ hci_skb_pkt_type(nskb) = pkt_type;
h5_slip_delim(nskb);
@@ -697,7 +697,7 @@
skb = skb_dequeue(&h5->unrel);
if (skb) {
- nskb = h5_prepare_pkt(hu, bt_cb(skb)->pkt_type,
+ nskb = h5_prepare_pkt(hu, hci_skb_pkt_type(skb),
skb->data, skb->len);
if (nskb) {
kfree_skb(skb);
@@ -715,7 +715,7 @@
skb = skb_dequeue(&h5->rel);
if (skb) {
- nskb = h5_prepare_pkt(hu, bt_cb(skb)->pkt_type,
+ nskb = h5_prepare_pkt(hu, hci_skb_pkt_type(skb),
skb->data, skb->len);
if (nskb) {
__skb_queue_tail(&h5->unack, skb);
diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c
index 4a414a5..69760e2 100644
--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -186,7 +186,7 @@
}
memcpy(skb_put(skb, sizeof(suspend)), suspend, sizeof(suspend));
- bt_cb(skb)->pkt_type = HCI_LPM_PKT;
+ hci_skb_pkt_type(skb) = HCI_LPM_PKT;
set_bit(STATE_LPM_TRANSACTION, &intel->flags);
@@ -230,7 +230,7 @@
return -ENOMEM;
}
- bt_cb(skb)->pkt_type = HCI_LPM_WAKE_PKT;
+ hci_skb_pkt_type(skb) = HCI_LPM_WAKE_PKT;
set_bit(STATE_LPM_TRANSACTION, &intel->flags);
@@ -272,7 +272,7 @@
memcpy(skb_put(skb, sizeof(lpm_resume_ack)), lpm_resume_ack,
sizeof(lpm_resume_ack));
- bt_cb(skb)->pkt_type = HCI_LPM_PKT;
+ hci_skb_pkt_type(skb) = HCI_LPM_PKT;
/* LPM flow is a priority, enqueue packet at list head */
skb_queue_head(&intel->txq, skb);
@@ -467,7 +467,7 @@
*skb_put(skb, 1) = 0x00;
- bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
+ hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
return hci_recv_frame(hdev, skb);
}
@@ -517,7 +517,7 @@
}
memcpy(skb_put(skb, sizeof(speed_cmd)), speed_cmd, sizeof(speed_cmd));
- bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
+ hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
hci_uart_set_flow_control(hu, true);
@@ -1126,7 +1126,7 @@
return skb;
if (test_bit(STATE_BOOTLOADER, &intel->flags) &&
- (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT)) {
+ (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT)) {
struct hci_command_hdr *cmd = (void *)skb->data;
__u16 opcode = le16_to_cpu(cmd->opcode);
@@ -1140,7 +1140,7 @@
}
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
return skb;
}
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 96bcec5..03146d7 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -162,7 +162,7 @@
break;
}
- hci_uart_tx_complete(hu, bt_cb(skb)->pkt_type);
+ hci_uart_tx_complete(hu, hci_skb_pkt_type(skb));
kfree_skb(skb);
}
@@ -248,7 +248,8 @@
{
struct hci_uart *hu = hci_get_drvdata(hdev);
- BT_DBG("%s: type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len);
+ BT_DBG("%s: type %d len %d", hdev->name, hci_skb_pkt_type(skb),
+ skb->len);
hu->proto->enqueue(hu, skb);
diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index 9ee24b0..02692fe 100644
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -307,7 +307,7 @@
BT_DBG("hu %p skb %p", hu, skb);
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
/* lock hcill state */
spin_lock_irqsave(&ll->hcill_lock, flags);
@@ -493,7 +493,7 @@
return -ENOMEM;
}
- bt_cb(ll->rx_skb)->pkt_type = type;
+ hci_skb_pkt_type(ll->rx_skb) = type;
}
return count;
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 71325e4..683c2b6 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -678,7 +678,7 @@
qca->tx_ibs_state);
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
/* Don't go to sleep in middle of patch download or
* Out-Of-Band(GPIOs control) sleep is selected.
@@ -873,7 +873,7 @@
/* Assign commands to change baudrate and packet type. */
memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd));
- bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
+ hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
skb_queue_tail(&qca->txq, skb);
hci_uart_tx_wakeup(hu);
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index ed888e3..80783dc 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -80,7 +80,7 @@
{
struct vhci_data *data = hci_get_drvdata(hdev);
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
skb_queue_tail(&data->readq, skb);
wake_up_interruptible(&data->read_wait);
@@ -140,7 +140,7 @@
return -EBUSY;
}
- bt_cb(skb)->pkt_type = HCI_VENDOR_PKT;
+ hci_skb_pkt_type(skb) = HCI_VENDOR_PKT;
*skb_put(skb, 1) = 0xff;
*skb_put(skb, 1) = opcode;
@@ -183,7 +183,7 @@
return -ENODEV;
}
- bt_cb(skb)->pkt_type = pkt_type;
+ hci_skb_pkt_type(skb) = pkt_type;
ret = hci_recv_frame(data->hdev, skb);
break;
@@ -234,7 +234,7 @@
data->hdev->stat.byte_tx += len;
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
data->hdev->stat.cmd_tx++;
break;
diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index 51670b3..c71a035 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -32,6 +32,7 @@
#include <linux/can/dev.h>
#include <linux/can/error.h>
#include <linux/can/led.h>
+#include <linux/pm_runtime.h>
#define DRIVER_NAME "xilinx_can"
@@ -138,7 +139,7 @@
u32 (*read_reg)(const struct xcan_priv *priv, enum xcan_reg reg);
void (*write_reg)(const struct xcan_priv *priv, enum xcan_reg reg,
u32 val);
- struct net_device *dev;
+ struct device *dev;
void __iomem *reg_base;
unsigned long irq_flags;
struct clk *bus_clk;
@@ -840,6 +841,13 @@
struct xcan_priv *priv = netdev_priv(ndev);
int ret;
+ ret = pm_runtime_get_sync(priv->dev);
+ if (ret < 0) {
+ netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
+ __func__, ret);
+ return ret;
+ }
+
ret = request_irq(ndev->irq, xcan_interrupt, priv->irq_flags,
ndev->name, ndev);
if (ret < 0) {
@@ -847,29 +855,17 @@
goto err;
}
- ret = clk_prepare_enable(priv->can_clk);
- if (ret) {
- netdev_err(ndev, "unable to enable device clock\n");
- goto err_irq;
- }
-
- ret = clk_prepare_enable(priv->bus_clk);
- if (ret) {
- netdev_err(ndev, "unable to enable bus clock\n");
- goto err_can_clk;
- }
-
/* Set chip into reset mode */
ret = set_reset_mode(ndev);
if (ret < 0) {
netdev_err(ndev, "mode resetting failed!\n");
- goto err_bus_clk;
+ goto err_irq;
}
/* Common open */
ret = open_candev(ndev);
if (ret)
- goto err_bus_clk;
+ goto err_irq;
ret = xcan_chip_start(ndev);
if (ret < 0) {
@@ -885,13 +881,11 @@
err_candev:
close_candev(ndev);
-err_bus_clk:
- clk_disable_unprepare(priv->bus_clk);
-err_can_clk:
- clk_disable_unprepare(priv->can_clk);
err_irq:
free_irq(ndev->irq, ndev);
err:
+ pm_runtime_put(priv->dev);
+
return ret;
}
@@ -908,12 +902,11 @@
netif_stop_queue(ndev);
napi_disable(&priv->napi);
xcan_chip_stop(ndev);
- clk_disable_unprepare(priv->bus_clk);
- clk_disable_unprepare(priv->can_clk);
free_irq(ndev->irq, ndev);
close_candev(ndev);
can_led_event(ndev, CAN_LED_EVENT_STOP);
+ pm_runtime_put(priv->dev);
return 0;
}
@@ -932,27 +925,20 @@
struct xcan_priv *priv = netdev_priv(ndev);
int ret;
- ret = clk_prepare_enable(priv->can_clk);
- if (ret)
- goto err;
-
- ret = clk_prepare_enable(priv->bus_clk);
- if (ret)
- goto err_clk;
+ ret = pm_runtime_get_sync(priv->dev);
+ if (ret < 0) {
+ netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
+ __func__, ret);
+ return ret;
+ }
bec->txerr = priv->read_reg(priv, XCAN_ECR_OFFSET) & XCAN_ECR_TEC_MASK;
bec->rxerr = ((priv->read_reg(priv, XCAN_ECR_OFFSET) &
XCAN_ECR_REC_MASK) >> XCAN_ESR_REC_SHIFT);
- clk_disable_unprepare(priv->bus_clk);
- clk_disable_unprepare(priv->can_clk);
+ pm_runtime_put(priv->dev);
return 0;
-
-err_clk:
- clk_disable_unprepare(priv->can_clk);
-err:
- return ret;
}
@@ -965,15 +951,45 @@
/**
* xcan_suspend - Suspend method for the driver
- * @dev: Address of the platform_device structure
+ * @dev: Address of the device structure
+ *
+ * Put the driver into low power mode.
+ * Return: 0 on success and failure value on error
+ */
+static int __maybe_unused xcan_suspend(struct device *dev)
+{
+ if (!device_may_wakeup(dev))
+ return pm_runtime_force_suspend(dev);
+
+ return 0;
+}
+
+/**
+ * xcan_resume - Resume from suspend
+ * @dev: Address of the device structure
+ *
+ * Resume operation after suspend.
+ * Return: 0 on success and failure value on error
+ */
+static int __maybe_unused xcan_resume(struct device *dev)
+{
+ if (!device_may_wakeup(dev))
+ return pm_runtime_force_resume(dev);
+
+ return 0;
+
+}
+
+/**
+ * xcan_runtime_suspend - Runtime suspend method for the driver
+ * @dev: Address of the device structure
*
* Put the driver into low power mode.
* Return: 0 always
*/
-static int __maybe_unused xcan_suspend(struct device *dev)
+static int __maybe_unused xcan_runtime_suspend(struct device *dev)
{
- struct platform_device *pdev = dev_get_drvdata(dev);
- struct net_device *ndev = platform_get_drvdata(pdev);
+ struct net_device *ndev = dev_get_drvdata(dev);
struct xcan_priv *priv = netdev_priv(ndev);
if (netif_running(ndev)) {
@@ -984,43 +1000,55 @@
priv->write_reg(priv, XCAN_MSR_OFFSET, XCAN_MSR_SLEEP_MASK);
priv->can.state = CAN_STATE_SLEEPING;
- clk_disable(priv->bus_clk);
- clk_disable(priv->can_clk);
+ clk_disable_unprepare(priv->bus_clk);
+ clk_disable_unprepare(priv->can_clk);
return 0;
}
/**
- * xcan_resume - Resume from suspend
- * @dev: Address of the platformdevice structure
+ * xcan_runtime_resume - Runtime resume from suspend
+ * @dev: Address of the device structure
*
* Resume operation after suspend.
* Return: 0 on success and failure value on error
*/
-static int __maybe_unused xcan_resume(struct device *dev)
+static int __maybe_unused xcan_runtime_resume(struct device *dev)
{
- struct platform_device *pdev = dev_get_drvdata(dev);
- struct net_device *ndev = platform_get_drvdata(pdev);
+ struct net_device *ndev = dev_get_drvdata(dev);
struct xcan_priv *priv = netdev_priv(ndev);
int ret;
+ u32 isr, status;
- ret = clk_enable(priv->bus_clk);
+ ret = clk_prepare_enable(priv->bus_clk);
if (ret) {
dev_err(dev, "Cannot enable clock.\n");
return ret;
}
- ret = clk_enable(priv->can_clk);
+ ret = clk_prepare_enable(priv->can_clk);
if (ret) {
dev_err(dev, "Cannot enable clock.\n");
clk_disable_unprepare(priv->bus_clk);
return ret;
}
- priv->write_reg(priv, XCAN_MSR_OFFSET, 0);
- priv->write_reg(priv, XCAN_SRR_OFFSET, XCAN_SRR_CEN_MASK);
- priv->can.state = CAN_STATE_ERROR_ACTIVE;
+ priv->write_reg(priv, XCAN_SRR_OFFSET, XCAN_SRR_RESET_MASK);
+ isr = priv->read_reg(priv, XCAN_ISR_OFFSET);
+ status = priv->read_reg(priv, XCAN_SR_OFFSET);
if (netif_running(ndev)) {
+ if (isr & XCAN_IXR_BSOFF_MASK) {
+ priv->can.state = CAN_STATE_BUS_OFF;
+ priv->write_reg(priv, XCAN_SRR_OFFSET,
+ XCAN_SRR_RESET_MASK);
+ } else if ((status & XCAN_SR_ESTAT_MASK) ==
+ XCAN_SR_ESTAT_MASK) {
+ priv->can.state = CAN_STATE_ERROR_PASSIVE;
+ } else if (status & XCAN_SR_ERRWRN_MASK) {
+ priv->can.state = CAN_STATE_ERROR_WARNING;
+ } else {
+ priv->can.state = CAN_STATE_ERROR_ACTIVE;
+ }
netif_device_attach(ndev);
netif_start_queue(ndev);
}
@@ -1028,7 +1056,10 @@
return 0;
}
-static SIMPLE_DEV_PM_OPS(xcan_dev_pm_ops, xcan_suspend, xcan_resume);
+static const struct dev_pm_ops xcan_dev_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(xcan_suspend, xcan_resume)
+ SET_RUNTIME_PM_OPS(xcan_runtime_suspend, xcan_runtime_resume, NULL)
+};
/**
* xcan_probe - Platform registration call
@@ -1069,7 +1100,7 @@
return -ENOMEM;
priv = netdev_priv(ndev);
- priv->dev = ndev;
+ priv->dev = &pdev->dev;
priv->can.bittiming_const = &xcan_bittiming_const;
priv->can.do_set_mode = xcan_do_set_mode;
priv->can.do_get_berr_counter = xcan_get_berr_counter;
@@ -1111,21 +1142,17 @@
}
}
- ret = clk_prepare_enable(priv->can_clk);
- if (ret) {
- dev_err(&pdev->dev, "unable to enable device clock\n");
- goto err_free;
- }
-
- ret = clk_prepare_enable(priv->bus_clk);
- if (ret) {
- dev_err(&pdev->dev, "unable to enable bus clock\n");
- goto err_unprepare_disable_dev;
- }
-
priv->write_reg = xcan_write_reg_le;
priv->read_reg = xcan_read_reg_le;
+ pm_runtime_enable(&pdev->dev);
+ ret = pm_runtime_get_sync(&pdev->dev);
+ if (ret < 0) {
+ netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
+ __func__, ret);
+ goto err_pmdisable;
+ }
+
if (priv->read_reg(priv, XCAN_SR_OFFSET) != XCAN_SR_CONFIG_MASK) {
priv->write_reg = xcan_write_reg_be;
priv->read_reg = xcan_read_reg_be;
@@ -1138,22 +1165,23 @@
ret = register_candev(ndev);
if (ret) {
dev_err(&pdev->dev, "fail to register failed (err=%d)\n", ret);
- goto err_unprepare_disable_busclk;
+ goto err_disableclks;
}
devm_can_led_init(ndev);
- clk_disable_unprepare(priv->bus_clk);
- clk_disable_unprepare(priv->can_clk);
+
+ pm_runtime_put(&pdev->dev);
+
netdev_dbg(ndev, "reg_base=0x%p irq=%d clock=%d, tx fifo depth:%d\n",
priv->reg_base, ndev->irq, priv->can.clock.freq,
priv->tx_max);
return 0;
-err_unprepare_disable_busclk:
- clk_disable_unprepare(priv->bus_clk);
-err_unprepare_disable_dev:
- clk_disable_unprepare(priv->can_clk);
+err_disableclks:
+ pm_runtime_put(priv->dev);
+err_pmdisable:
+ pm_runtime_disable(&pdev->dev);
err_free:
free_candev(ndev);
err:
@@ -1172,10 +1200,8 @@
struct net_device *ndev = platform_get_drvdata(pdev);
struct xcan_priv *priv = netdev_priv(ndev);
- if (set_reset_mode(ndev) < 0)
- netdev_err(ndev, "mode resetting failed!\n");
-
unregister_candev(ndev);
+ pm_runtime_disable(&pdev->dev);
netif_napi_del(&priv->napi);
free_candev(ndev);
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index b06dba0..75e245c 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -19,6 +19,7 @@
#include <linux/list.h>
#include <linux/module.h>
#include <linux/netdevice.h>
+#include <linux/gpio/consumer.h>
#include <linux/phy.h>
#include <net/dsa.h>
#include <net/switchdev.h>
@@ -2323,6 +2324,7 @@
{
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
u16 is_reset = (ppu_active ? 0x8800 : 0xc800);
+ struct gpio_desc *gpiod = ds->pd->reset;
unsigned long timeout;
int ret;
int i;
@@ -2336,6 +2338,14 @@
/* Wait for transmit queues to drain. */
usleep_range(2000, 4000);
+ /* If there is a gpio connected to the reset pin, toggle it */
+ if (gpiod) {
+ gpiod_set_value_cansleep(gpiod, 1);
+ usleep_range(10000, 20000);
+ gpiod_set_value_cansleep(gpiod, 0);
+ usleep_range(10000, 20000);
+ }
+
/* Reset the switch. Keep the PPU active if requested. The PPU
* needs to be active to support indirect phy register access
* through global registers 0x18 and 0x19.
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index 53ce122..8a9b493 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -2024,7 +2024,6 @@
skb->dev = netdev;
skb->protocol = eth_type_trans(skb, netdev);
skb_record_rx_queue(skb, channel->queue_index);
- skb_mark_napi_id(skb, napi);
napi_gro_receive(napi, skb);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 9147a01..d21ee87 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1084,7 +1084,7 @@
};
#ifdef CONFIG_ACPI
-static int xgene_get_port_id_acpi(struct device *dev,
+static void xgene_get_port_id_acpi(struct device *dev,
struct xgene_enet_pdata *pdata)
{
acpi_status status;
@@ -1097,24 +1097,19 @@
pdata->port_id = temp;
}
- return 0;
+ return;
}
#endif
-static int xgene_get_port_id_dt(struct device *dev, struct xgene_enet_pdata *pdata)
+static void xgene_get_port_id_dt(struct device *dev, struct xgene_enet_pdata *pdata)
{
u32 id = 0;
- int ret;
- ret = of_property_read_u32(dev->of_node, "port-id", &id);
- if (ret) {
- pdata->port_id = 0;
- ret = 0;
- } else {
- pdata->port_id = id & BIT(0);
- }
+ of_property_read_u32(dev->of_node, "port-id", &id);
- return ret;
+ pdata->port_id = id & BIT(0);
+
+ return;
}
static int xgene_get_tx_delay(struct xgene_enet_pdata *pdata)
@@ -1209,13 +1204,11 @@
}
if (dev->of_node)
- ret = xgene_get_port_id_dt(dev, pdata);
+ xgene_get_port_id_dt(dev, pdata);
#ifdef CONFIG_ACPI
else
- ret = xgene_get_port_id_acpi(dev, pdata);
+ xgene_get_port_id_acpi(dev, pdata);
#endif
- if (ret)
- return ret;
if (!device_get_mac_address(dev, ndev->dev_addr, ETH_ALEN))
eth_hw_addr_random(ndev);
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 8581063..993c780 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -1216,7 +1216,7 @@
/* Initialize SW view of the ring */
spin_lock_init(&ring->lock);
ring->priv = priv;
- netif_napi_add(priv->netdev, &ring->napi, bcm_sysport_tx_poll, 64);
+ netif_tx_napi_add(priv->netdev, &ring->napi, bcm_sysport_tx_poll, 64);
ring->index = index;
ring->size = size;
ring->alloc_size = ring->size;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index b5e64b0..0b214b5 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -540,10 +540,6 @@
struct napi_struct napi;
-#ifdef CONFIG_NET_RX_BUSY_POLL
- unsigned long busy_poll_state;
-#endif
-
union host_hc_status_block status_blk;
/* chip independent shortcuts into sb structure */
__le16 *sb_index_values;
@@ -617,115 +613,6 @@
#define bnx2x_fp_stats(bp, fp) (&((bp)->fp_stats[(fp)->index]))
#define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats))
-#ifdef CONFIG_NET_RX_BUSY_POLL
-
-enum bnx2x_fp_state {
- BNX2X_STATE_FP_NAPI = BIT(0), /* NAPI handler owns the queue */
-
- BNX2X_STATE_FP_NAPI_REQ_BIT = 1, /* NAPI would like to own the queue */
- BNX2X_STATE_FP_NAPI_REQ = BIT(1),
-
- BNX2X_STATE_FP_POLL_BIT = 2,
- BNX2X_STATE_FP_POLL = BIT(2), /* busy_poll owns the queue */
-
- BNX2X_STATE_FP_DISABLE_BIT = 3, /* queue is dismantled */
-};
-
-static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp)
-{
- WRITE_ONCE(fp->busy_poll_state, 0);
-}
-
-/* called from the device poll routine to get ownership of a FP */
-static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
-{
- unsigned long prev, old = READ_ONCE(fp->busy_poll_state);
-
- while (1) {
- switch (old) {
- case BNX2X_STATE_FP_POLL:
- /* make sure bnx2x_fp_lock_poll() wont starve us */
- set_bit(BNX2X_STATE_FP_NAPI_REQ_BIT,
- &fp->busy_poll_state);
- /* fallthrough */
- case BNX2X_STATE_FP_POLL | BNX2X_STATE_FP_NAPI_REQ:
- return false;
- default:
- break;
- }
- prev = cmpxchg(&fp->busy_poll_state, old, BNX2X_STATE_FP_NAPI);
- if (unlikely(prev != old)) {
- old = prev;
- continue;
- }
- return true;
- }
-}
-
-static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
-{
- smp_wmb();
- fp->busy_poll_state = 0;
-}
-
-/* called from bnx2x_low_latency_poll() */
-static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
-{
- return cmpxchg(&fp->busy_poll_state, 0, BNX2X_STATE_FP_POLL) == 0;
-}
-
-static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
-{
- smp_mb__before_atomic();
- clear_bit(BNX2X_STATE_FP_POLL_BIT, &fp->busy_poll_state);
-}
-
-/* true if a socket is polling */
-static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
-{
- return READ_ONCE(fp->busy_poll_state) & BNX2X_STATE_FP_POLL;
-}
-
-/* false if fp is currently owned */
-static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
-{
- set_bit(BNX2X_STATE_FP_DISABLE_BIT, &fp->busy_poll_state);
- return !bnx2x_fp_ll_polling(fp);
-
-}
-#else
-static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp)
-{
-}
-
-static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
-{
- return true;
-}
-
-static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
-{
-}
-
-static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
-{
- return false;
-}
-
-static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
-{
-}
-
-static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
-{
- return false;
-}
-static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
-{
- return true;
-}
-#endif /* CONFIG_NET_RX_BUSY_POLL */
-
/* Use 2500 as a mini-jumbo MTU for FCoE */
#define BNX2X_FCOE_MINI_JUMBO_MTU 2500
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index f8d7a2f..d9add7c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -46,7 +46,6 @@
for_each_rx_queue_cnic(bp, i) {
netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
bnx2x_poll, NAPI_POLL_WEIGHT);
- napi_hash_add(&bnx2x_fp(bp, i, napi));
}
}
@@ -58,7 +57,6 @@
for_each_eth_queue(bp, i) {
netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
bnx2x_poll, NAPI_POLL_WEIGHT);
- napi_hash_add(&bnx2x_fp(bp, i, napi));
}
}
@@ -1094,12 +1092,7 @@
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
le16_to_cpu(cqe_fp->vlan_tag));
- skb_mark_napi_id(skb, &fp->napi);
-
- if (bnx2x_fp_ll_polling(fp))
- netif_receive_skb(skb);
- else
- napi_gro_receive(&fp->napi, skb);
+ napi_gro_receive(&fp->napi, skb);
next_rx:
rx_buf->data = NULL;
@@ -1869,7 +1862,6 @@
int i;
for_each_rx_queue_cnic(bp, i) {
- bnx2x_fp_busy_poll_init(&bp->fp[i]);
napi_enable(&bnx2x_fp(bp, i, napi));
}
}
@@ -1879,7 +1871,6 @@
int i;
for_each_eth_queue(bp, i) {
- bnx2x_fp_busy_poll_init(&bp->fp[i]);
napi_enable(&bnx2x_fp(bp, i, napi));
}
}
@@ -1890,8 +1881,6 @@
for_each_rx_queue_cnic(bp, i) {
napi_disable(&bnx2x_fp(bp, i, napi));
- while (!bnx2x_fp_ll_disable(&bp->fp[i]))
- usleep_range(1000, 2000);
}
}
@@ -1901,8 +1890,6 @@
for_each_eth_queue(bp, i) {
napi_disable(&bnx2x_fp(bp, i, napi));
- while (!bnx2x_fp_ll_disable(&bp->fp[i]))
- usleep_range(1000, 2000);
}
}
@@ -3232,9 +3219,6 @@
return 0;
}
#endif
- if (!bnx2x_fp_lock_napi(fp))
- return budget;
-
for_each_cos_in_tx_queue(fp, cos)
if (bnx2x_tx_queue_has_work(fp->txdata_ptr[cos]))
bnx2x_tx_int(bp, fp->txdata_ptr[cos]);
@@ -3243,14 +3227,10 @@
work_done += bnx2x_rx_int(fp, budget - work_done);
/* must not complete if we consumed full budget */
- if (work_done >= budget) {
- bnx2x_fp_unlock_napi(fp);
+ if (work_done >= budget)
break;
- }
}
- bnx2x_fp_unlock_napi(fp);
-
/* Fall out from the NAPI loop if needed */
if (!(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
@@ -3294,32 +3274,6 @@
return work_done;
}
-#ifdef CONFIG_NET_RX_BUSY_POLL
-/* must be called with local_bh_disable()d */
-int bnx2x_low_latency_recv(struct napi_struct *napi)
-{
- struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
- napi);
- struct bnx2x *bp = fp->bp;
- int found = 0;
-
- if ((bp->state == BNX2X_STATE_CLOSED) ||
- (bp->state == BNX2X_STATE_ERROR) ||
- (bp->dev->features & (NETIF_F_LRO | NETIF_F_GRO)))
- return LL_FLUSH_FAILED;
-
- if (!bnx2x_fp_lock_poll(fp))
- return LL_FLUSH_BUSY;
-
- if (bnx2x_has_rx_work(fp))
- found = bnx2x_rx_int(fp, 4);
-
- bnx2x_fp_unlock_poll(fp);
-
- return found;
-}
-#endif
-
/* we split the first BD into headers and data BDs
* to ease the pain of our fellow microcode engineers
* we use one mapping for both BDs
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index b7d32e8..4cbb03f8 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -570,13 +570,6 @@
int bnx2x_enable_msi(struct bnx2x *bp);
/**
- * bnx2x_low_latency_recv - LL callback
- *
- * @napi: napi structure
- */
-int bnx2x_low_latency_recv(struct napi_struct *napi);
-
-/**
* bnx2x_alloc_mem_bp - allocate memories outsize main driver structure
*
* @bp: driver handle
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index d84efcd..a3ce9f2 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -52,7 +52,7 @@
{ Q_STATS_OFFSET32(rx_skb_alloc_failed),
4, "[%s]: rx_skb_alloc_discard" },
{ Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },
-
+ { Q_STATS_OFFSET32(driver_xoff), 4, "[%s]: tx_exhaustion_events" },
{ Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" },
/* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
8, "[%s]: tx_ucast_packets" },
@@ -128,7 +128,8 @@
4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" },
{ STATS_OFFSET32(hw_csum_err),
4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" },
-
+ { STATS_OFFSET32(driver_xoff),
+ 4, STATS_FLAGS_BOTH, "tx_exhaustion_events" },
{ STATS_OFFSET32(total_bytes_transmitted_hi),
8, STATS_FLAGS_BOTH, "tx_bytes" },
{ STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
@@ -3068,9 +3069,7 @@
#define IS_PORT_STAT(i) \
((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT)
#define IS_FUNC_STAT(i) (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC)
-#define HIDE_PORT_STAT(bp) \
- ((IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS)) || \
- IS_VF(bp))
+#define HIDE_PORT_STAT(bp) IS_VF(bp)
/* ethtool statistics are displayed for all regular ethernet queues and the
* fcoe L2 queue if not disabled
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
index cafd5de..27aa080 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
@@ -3013,8 +3013,8 @@
};
#define BCM_5710_FW_MAJOR_VERSION 7
-#define BCM_5710_FW_MINOR_VERSION 12
-#define BCM_5710_FW_REVISION_VERSION 30
+#define BCM_5710_FW_MINOR_VERSION 13
+#define BCM_5710_FW_REVISION_VERSION 1
#define BCM_5710_FW_ENGINEERING_VERSION 0
#define BCM_5710_FW_COMPILE_FLAGS 1
@@ -3583,7 +3583,7 @@
CLASSIFY_RULE_OPCODE_MAC,
CLASSIFY_RULE_OPCODE_VLAN,
CLASSIFY_RULE_OPCODE_PAIR,
- CLASSIFY_RULE_OPCODE_VXLAN,
+ CLASSIFY_RULE_OPCODE_IMAC_VNI,
MAX_CLASSIFY_RULE
};
@@ -3826,6 +3826,17 @@
__le32 echo;
};
+/*
+ * Command for adding/removing a Inner-MAC/VNI classification rule
+ */
+struct eth_classify_imac_vni_cmd {
+ struct eth_classify_cmd_header header;
+ __le32 vni;
+ __le16 imac_lsb;
+ __le16 imac_mid;
+ __le16 imac_msb;
+ __le16 reserved1;
+};
/*
* Command for adding/removing a MAC classification rule
@@ -3869,14 +3880,6 @@
/*
* Command for adding/removing a VXLAN classification rule
*/
-struct eth_classify_vxlan_cmd {
- struct eth_classify_cmd_header header;
- __le32 vni;
- __le16 inner_mac_lsb;
- __le16 inner_mac_mid;
- __le16 inner_mac_msb;
- __le16 reserved1;
-};
/*
* union for eth classification rule
@@ -3885,7 +3888,7 @@
struct eth_classify_mac_cmd mac;
struct eth_classify_vlan_cmd vlan;
struct eth_classify_pair_cmd pair;
- struct eth_classify_vxlan_cmd vxlan;
+ struct eth_classify_imac_vni_cmd imac_vni;
};
/*
@@ -5623,6 +5626,14 @@
MAX_IGU_MODE
};
+/*
+ * Inner Headers Classification Type
+ */
+enum inner_clss_type {
+ INNER_CLSS_DISABLED,
+ INNER_CLSS_USE_VLAN,
+ INNER_CLSS_USE_VNI,
+ MAX_INNER_CLSS_TYPE};
/*
* IP versions
@@ -5953,14 +5964,6 @@
MAX_TS_OFFSET_CMD
};
-/* Tunnel Mode */
-enum tunnel_mode {
- TUNN_MODE_NONE,
- TUNN_MODE_VXLAN,
- TUNN_MODE_GRE,
- MAX_TUNNEL_MODE
-};
-
/* zone A per-queue data */
struct ustorm_queue_zone_data {
struct ustorm_eth_rx_producers eth_rx_producers;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 2e611dc..6c4e3a6 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -13004,9 +13004,6 @@
.ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
#endif
-#ifdef CONFIG_NET_RX_BUSY_POLL
- .ndo_busy_poll = bnx2x_low_latency_recv,
-#endif
.ndo_get_phys_port_id = bnx2x_get_phys_port_id,
.ndo_set_vf_link_state = bnx2x_set_vf_link_state,
.ndo_features_check = bnx2x_features_check,
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index bdf094f..11446ad 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4231,12 +4231,10 @@
bnapi = bp->bnapi[i];
netif_napi_add(bp->dev, &bnapi->napi,
bnxt_poll, 64);
- napi_hash_add(&bnapi->napi);
}
} else {
bnapi = bp->bnapi[0];
netif_napi_add(bp->dev, &bnapi->napi, bnxt_poll, 64);
- napi_hash_add(&bnapi->napi);
}
}
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 17f017a..b15a60d 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -2041,11 +2041,11 @@
for (i = 0; i < priv->hw_params->tx_queues; ++i) {
ring = &priv->tx_rings[i];
- netif_napi_add(priv->dev, &ring->napi, bcmgenet_tx_poll, 64);
+ netif_tx_napi_add(priv->dev, &ring->napi, bcmgenet_tx_poll, 64);
}
ring = &priv->tx_rings[DESC_INDEX];
- netif_napi_add(priv->dev, &ring->napi, bcmgenet_tx_poll, 64);
+ netif_tx_napi_add(priv->dev, &ring->napi, bcmgenet_tx_poll, 64);
}
static void bcmgenet_enable_tx_napi(struct bcmgenet_priv *priv)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index b7b93e7..48d8fbb 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -1864,7 +1864,6 @@
skb->truesize += skb->data_len;
skb->ip_summed = CHECKSUM_UNNECESSARY;
skb_record_rx_queue(skb, rxq->rspq.idx);
- skb_mark_napi_id(skb, &rxq->rspq.napi);
pi = netdev_priv(skb->dev);
if (pi->rxtstamp)
cxgb4_sgetim_to_hwtstamp(adapter, skb_hwtstamps(skb),
@@ -2528,7 +2527,6 @@
goto err;
netif_napi_add(dev, &iq->napi, napi_rx_handler, 64);
- napi_hash_add(&iq->napi);
iq->cur_desc = iq->desc;
iq->cidx = 0;
iq->gen = 1;
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index b36643e..b2182d3 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -2458,13 +2458,11 @@
switch (vnic_dev_get_intr_mode(enic->vdev)) {
default:
netif_napi_add(netdev, &enic->napi[0], enic_poll, 64);
- napi_hash_add(&enic->napi[0]);
break;
case VNIC_DEV_INTR_MODE_MSIX:
for (i = 0; i < enic->rq_count; i++) {
netif_napi_add(netdev, &enic->napi[i],
enic_poll_msix_rq, NAPI_POLL_WEIGHT);
- napi_hash_add(&enic->napi[i]);
}
for (i = 0; i < enic->wq_count; i++)
netif_napi_add(netdev, &enic->napi[enic_cq_wq(enic, i)],
diff --git a/drivers/net/ethernet/dlink/dl2k.c b/drivers/net/ethernet/dlink/dl2k.c
index ccca479..f92b6d9 100644
--- a/drivers/net/ethernet/dlink/dl2k.c
+++ b/drivers/net/ethernet/dlink/dl2k.c
@@ -70,7 +70,6 @@
static int rio_open (struct net_device *dev);
static void rio_timer (unsigned long data);
static void rio_tx_timeout (struct net_device *dev);
-static void alloc_list (struct net_device *dev);
static netdev_tx_t start_xmit (struct sk_buff *skb, struct net_device *dev);
static irqreturn_t rio_interrupt (int irq, void *dev_instance);
static void rio_free_tx (struct net_device *dev, int irq);
@@ -253,19 +252,6 @@
if (err)
goto err_out_unmap_rx;
- if (np->chip_id == CHIP_IP1000A &&
- (np->pdev->revision == 0x40 || np->pdev->revision == 0x41)) {
- /* PHY magic taken from ipg driver, undocumented registers */
- mii_write(dev, np->phy_addr, 31, 0x0001);
- mii_write(dev, np->phy_addr, 27, 0x01e0);
- mii_write(dev, np->phy_addr, 31, 0x0002);
- mii_write(dev, np->phy_addr, 27, 0xeb8e);
- mii_write(dev, np->phy_addr, 31, 0x0000);
- mii_write(dev, np->phy_addr, 30, 0x005e);
- /* advertise 1000BASE-T half & full duplex, prefer MASTER */
- mii_write(dev, np->phy_addr, MII_CTRL1000, 0x0700);
- }
-
/* Fiber device? */
np->phy_media = (dr16(ASICCtrl) & PhyMedia) ? 1 : 0;
np->link_status = 0;
@@ -275,13 +261,11 @@
if (np->an_enable == 2) {
np->an_enable = 1;
}
- mii_set_media_pcs (dev);
} else {
/* Auto-Negotiation is mandatory for 1000BASE-T,
IEEE 802.3ab Annex 28D page 14 */
if (np->speed == 1000)
np->an_enable = 1;
- mii_set_media (dev);
}
err = register_netdev (dev);
@@ -446,19 +430,106 @@
dw32(ASICCtrl, mode);
}
-static int
-rio_open (struct net_device *dev)
+static inline dma_addr_t desc_to_dma(struct netdev_desc *desc)
+{
+ return le64_to_cpu(desc->fraginfo) & DMA_BIT_MASK(48);
+}
+
+static void free_list(struct net_device *dev)
+{
+ struct netdev_private *np = netdev_priv(dev);
+ struct sk_buff *skb;
+ int i;
+
+ /* Free all the skbuffs in the queue. */
+ for (i = 0; i < RX_RING_SIZE; i++) {
+ skb = np->rx_skbuff[i];
+ if (skb) {
+ pci_unmap_single(np->pdev, desc_to_dma(&np->rx_ring[i]),
+ skb->len, PCI_DMA_FROMDEVICE);
+ dev_kfree_skb(skb);
+ np->rx_skbuff[i] = NULL;
+ }
+ np->rx_ring[i].status = 0;
+ np->rx_ring[i].fraginfo = 0;
+ }
+ for (i = 0; i < TX_RING_SIZE; i++) {
+ skb = np->tx_skbuff[i];
+ if (skb) {
+ pci_unmap_single(np->pdev, desc_to_dma(&np->tx_ring[i]),
+ skb->len, PCI_DMA_TODEVICE);
+ dev_kfree_skb(skb);
+ np->tx_skbuff[i] = NULL;
+ }
+ }
+}
+
+static void rio_reset_ring(struct netdev_private *np)
+{
+ int i;
+
+ np->cur_rx = 0;
+ np->cur_tx = 0;
+ np->old_rx = 0;
+ np->old_tx = 0;
+
+ for (i = 0; i < TX_RING_SIZE; i++)
+ np->tx_ring[i].status = cpu_to_le64(TFDDone);
+
+ for (i = 0; i < RX_RING_SIZE; i++)
+ np->rx_ring[i].status = 0;
+}
+
+ /* allocate and initialize Tx and Rx descriptors */
+static int alloc_list(struct net_device *dev)
+{
+ struct netdev_private *np = netdev_priv(dev);
+ int i;
+
+ rio_reset_ring(np);
+ np->rx_buf_sz = (dev->mtu <= 1500 ? PACKET_SIZE : dev->mtu + 32);
+
+ /* Initialize Tx descriptors, TFDListPtr leaves in start_xmit(). */
+ for (i = 0; i < TX_RING_SIZE; i++) {
+ np->tx_skbuff[i] = NULL;
+ np->tx_ring[i].next_desc = cpu_to_le64(np->tx_ring_dma +
+ ((i + 1) % TX_RING_SIZE) *
+ sizeof(struct netdev_desc));
+ }
+
+ /* Initialize Rx descriptors & allocate buffers */
+ for (i = 0; i < RX_RING_SIZE; i++) {
+ /* Allocated fixed size of skbuff */
+ struct sk_buff *skb;
+
+ skb = netdev_alloc_skb_ip_align(dev, np->rx_buf_sz);
+ np->rx_skbuff[i] = skb;
+ if (!skb) {
+ free_list(dev);
+ return -ENOMEM;
+ }
+
+ np->rx_ring[i].next_desc = cpu_to_le64(np->rx_ring_dma +
+ ((i + 1) % RX_RING_SIZE) *
+ sizeof(struct netdev_desc));
+ /* Rubicon now supports 40 bits of addressing space. */
+ np->rx_ring[i].fraginfo =
+ cpu_to_le64(pci_map_single(
+ np->pdev, skb->data, np->rx_buf_sz,
+ PCI_DMA_FROMDEVICE));
+ np->rx_ring[i].fraginfo |= cpu_to_le64((u64)np->rx_buf_sz << 48);
+ }
+
+ return 0;
+}
+
+static void rio_hw_init(struct net_device *dev)
{
struct netdev_private *np = netdev_priv(dev);
void __iomem *ioaddr = np->ioaddr;
- const int irq = np->pdev->irq;
int i;
u16 macctrl;
- i = request_irq(irq, rio_interrupt, IRQF_SHARED, dev->name, dev);
- if (i)
- return i;
-
/* Reset all logic functions */
dw16(ASICCtrl + 2,
GlobalReset | DMAReset | FIFOReset | NetworkReset | HostReset);
@@ -469,11 +540,31 @@
/* DebugCtrl bit 4, 5, 9 must set */
dw32(DebugCtrl, dr32(DebugCtrl) | 0x0230);
+ if (np->chip_id == CHIP_IP1000A &&
+ (np->pdev->revision == 0x40 || np->pdev->revision == 0x41)) {
+ /* PHY magic taken from ipg driver, undocumented registers */
+ mii_write(dev, np->phy_addr, 31, 0x0001);
+ mii_write(dev, np->phy_addr, 27, 0x01e0);
+ mii_write(dev, np->phy_addr, 31, 0x0002);
+ mii_write(dev, np->phy_addr, 27, 0xeb8e);
+ mii_write(dev, np->phy_addr, 31, 0x0000);
+ mii_write(dev, np->phy_addr, 30, 0x005e);
+ /* advertise 1000BASE-T half & full duplex, prefer MASTER */
+ mii_write(dev, np->phy_addr, MII_CTRL1000, 0x0700);
+ }
+
+ if (np->phy_media)
+ mii_set_media_pcs(dev);
+ else
+ mii_set_media(dev);
+
/* Jumbo frame */
if (np->jumbo != 0)
dw16(MaxFrameSize, MAX_JUMBO+14);
- alloc_list (dev);
+ /* Set RFDListPtr */
+ dw32(RFDListPtr0, np->rx_ring_dma);
+ dw32(RFDListPtr1, 0);
/* Set station address */
/* 16 or 32-bit access is required by TC9020 datasheet but 8-bit works
@@ -509,10 +600,6 @@
dw32(MACCtrl, dr32(MACCtrl) | AutoVLANuntagging);
}
- setup_timer(&np->timer, rio_timer, (unsigned long)dev);
- np->timer.expires = jiffies + 1*HZ;
- add_timer (&np->timer);
-
/* Start Tx/Rx */
dw32(MACCtrl, dr32(MACCtrl) | StatsEnable | RxEnable | TxEnable);
@@ -522,6 +609,42 @@
macctrl |= (np->tx_flow) ? TxFlowControlEnable : 0;
macctrl |= (np->rx_flow) ? RxFlowControlEnable : 0;
dw16(MACCtrl, macctrl);
+}
+
+static void rio_hw_stop(struct net_device *dev)
+{
+ struct netdev_private *np = netdev_priv(dev);
+ void __iomem *ioaddr = np->ioaddr;
+
+ /* Disable interrupts */
+ dw16(IntEnable, 0);
+
+ /* Stop Tx and Rx logics */
+ dw32(MACCtrl, TxDisable | RxDisable | StatsDisable);
+}
+
+static int rio_open(struct net_device *dev)
+{
+ struct netdev_private *np = netdev_priv(dev);
+ const int irq = np->pdev->irq;
+ int i;
+
+ i = alloc_list(dev);
+ if (i)
+ return i;
+
+ rio_hw_init(dev);
+
+ i = request_irq(irq, rio_interrupt, IRQF_SHARED, dev->name, dev);
+ if (i) {
+ rio_hw_stop(dev);
+ free_list(dev);
+ return i;
+ }
+
+ setup_timer(&np->timer, rio_timer, (unsigned long)dev);
+ np->timer.expires = jiffies + 1 * HZ;
+ add_timer(&np->timer);
netif_start_queue (dev);
@@ -586,60 +709,6 @@
dev->trans_start = jiffies; /* prevent tx timeout */
}
- /* allocate and initialize Tx and Rx descriptors */
-static void
-alloc_list (struct net_device *dev)
-{
- struct netdev_private *np = netdev_priv(dev);
- void __iomem *ioaddr = np->ioaddr;
- int i;
-
- np->cur_rx = np->cur_tx = 0;
- np->old_rx = np->old_tx = 0;
- np->rx_buf_sz = (dev->mtu <= 1500 ? PACKET_SIZE : dev->mtu + 32);
-
- /* Initialize Tx descriptors, TFDListPtr leaves in start_xmit(). */
- for (i = 0; i < TX_RING_SIZE; i++) {
- np->tx_skbuff[i] = NULL;
- np->tx_ring[i].status = cpu_to_le64 (TFDDone);
- np->tx_ring[i].next_desc = cpu_to_le64 (np->tx_ring_dma +
- ((i+1)%TX_RING_SIZE) *
- sizeof (struct netdev_desc));
- }
-
- /* Initialize Rx descriptors */
- for (i = 0; i < RX_RING_SIZE; i++) {
- np->rx_ring[i].next_desc = cpu_to_le64 (np->rx_ring_dma +
- ((i + 1) % RX_RING_SIZE) *
- sizeof (struct netdev_desc));
- np->rx_ring[i].status = 0;
- np->rx_ring[i].fraginfo = 0;
- np->rx_skbuff[i] = NULL;
- }
-
- /* Allocate the rx buffers */
- for (i = 0; i < RX_RING_SIZE; i++) {
- /* Allocated fixed size of skbuff */
- struct sk_buff *skb;
-
- skb = netdev_alloc_skb_ip_align(dev, np->rx_buf_sz);
- np->rx_skbuff[i] = skb;
- if (skb == NULL)
- break;
-
- /* Rubicon now supports 40 bits of addressing space. */
- np->rx_ring[i].fraginfo =
- cpu_to_le64 ( pci_map_single (
- np->pdev, skb->data, np->rx_buf_sz,
- PCI_DMA_FROMDEVICE));
- np->rx_ring[i].fraginfo |= cpu_to_le64((u64)np->rx_buf_sz << 48);
- }
-
- /* Set RFDListPtr */
- dw32(RFDListPtr0, np->rx_ring_dma);
- dw32(RFDListPtr1, 0);
-}
-
static netdev_tx_t
start_xmit (struct sk_buff *skb, struct net_device *dev)
{
@@ -748,11 +817,6 @@
return IRQ_RETVAL(handled);
}
-static inline dma_addr_t desc_to_dma(struct netdev_desc *desc)
-{
- return le64_to_cpu(desc->fraginfo) & DMA_BIT_MASK(48);
-}
-
static void
rio_free_tx (struct net_device *dev, int irq)
{
@@ -1730,44 +1794,16 @@
rio_close (struct net_device *dev)
{
struct netdev_private *np = netdev_priv(dev);
- void __iomem *ioaddr = np->ioaddr;
-
struct pci_dev *pdev = np->pdev;
- struct sk_buff *skb;
- int i;
netif_stop_queue (dev);
- /* Disable interrupts */
- dw16(IntEnable, 0);
-
- /* Stop Tx and Rx logics */
- dw32(MACCtrl, TxDisable | RxDisable | StatsDisable);
+ rio_hw_stop(dev);
free_irq(pdev->irq, dev);
del_timer_sync (&np->timer);
- /* Free all the skbuffs in the queue. */
- for (i = 0; i < RX_RING_SIZE; i++) {
- skb = np->rx_skbuff[i];
- if (skb) {
- pci_unmap_single(pdev, desc_to_dma(&np->rx_ring[i]),
- skb->len, PCI_DMA_FROMDEVICE);
- dev_kfree_skb (skb);
- np->rx_skbuff[i] = NULL;
- }
- np->rx_ring[i].status = 0;
- np->rx_ring[i].fraginfo = 0;
- }
- for (i = 0; i < TX_RING_SIZE; i++) {
- skb = np->tx_skbuff[i];
- if (skb) {
- pci_unmap_single(pdev, desc_to_dma(&np->tx_ring[i]),
- skb->len, PCI_DMA_TODEVICE);
- dev_kfree_skb (skb);
- np->tx_skbuff[i] = NULL;
- }
- }
+ free_list(dev);
return 0;
}
@@ -1795,11 +1831,55 @@
}
}
+#ifdef CONFIG_PM_SLEEP
+static int rio_suspend(struct device *device)
+{
+ struct net_device *dev = dev_get_drvdata(device);
+ struct netdev_private *np = netdev_priv(dev);
+
+ if (!netif_running(dev))
+ return 0;
+
+ netif_device_detach(dev);
+ del_timer_sync(&np->timer);
+ rio_hw_stop(dev);
+
+ return 0;
+}
+
+static int rio_resume(struct device *device)
+{
+ struct net_device *dev = dev_get_drvdata(device);
+ struct netdev_private *np = netdev_priv(dev);
+
+ if (!netif_running(dev))
+ return 0;
+
+ rio_reset_ring(np);
+ rio_hw_init(dev);
+ np->timer.expires = jiffies + 1 * HZ;
+ add_timer(&np->timer);
+ netif_device_attach(dev);
+ dl2k_enable_int(np);
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(rio_pm_ops, rio_suspend, rio_resume);
+#define RIO_PM_OPS (&rio_pm_ops)
+
+#else
+
+#define RIO_PM_OPS NULL
+
+#endif /* CONFIG_PM_SLEEP */
+
static struct pci_driver rio_driver = {
.name = "dl2k",
.id_table = rio_pci_tbl,
.probe = rio_probe1,
.remove = rio_remove1,
+ .driver.pm = RIO_PM_OPS,
};
module_pci_driver(rio_driver);
diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c
index 734f655..d2a5baf 100644
--- a/drivers/net/ethernet/emulex/benet/be_ethtool.c
+++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c
@@ -241,13 +241,11 @@
u32 data_read = 0, eof;
u8 addn_status;
struct be_dma_mem data_len_cmd;
- int status;
memset(&data_len_cmd, 0, sizeof(data_len_cmd));
/* data_offset and data_size should be 0 to get reg len */
- status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0,
- file_name, &data_read, &eof,
- &addn_status);
+ lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
+ &data_read, &eof, &addn_status);
return data_read;
}
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index b6ad029..4cab887 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -2184,7 +2184,6 @@
skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3);
skb->csum_level = rxcp->tunneled;
- skb_mark_napi_id(skb, napi);
if (rxcp->vlanf)
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag);
@@ -2631,7 +2630,6 @@
eqo->affinity_mask);
netif_napi_add(adapter->netdev, &eqo->napi, be_poll,
BE_NAPI_WEIGHT);
- napi_hash_add(&eqo->napi);
}
return 0;
}
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index b2a3220..d2328fc 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3277,7 +3277,6 @@
fec_enet_get_queue_num(struct platform_device *pdev, int *num_tx, int *num_rx)
{
struct device_node *np = pdev->dev.of_node;
- int err;
*num_tx = *num_rx = 1;
@@ -3285,13 +3284,9 @@
return;
/* parse the num of tx and rx queues */
- err = of_property_read_u32(np, "fsl,num-tx-queues", num_tx);
- if (err)
- *num_tx = 1;
+ of_property_read_u32(np, "fsl,num-tx-queues", num_tx);
- err = of_property_read_u32(np, "fsl,num-rx-queues", num_rx);
- if (err)
- *num_rx = 1;
+ of_property_read_u32(np, "fsl,num-rx-queues", num_rx);
if (*num_tx < 1 || *num_tx > FEC_ENET_MAX_TX_QS) {
dev_warn(&pdev->dev, "Invalid num_tx(=%d), fall back to 1\n",
diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c
index cf8e546..48a9c17 100644
--- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c
+++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c
@@ -1050,7 +1050,7 @@
ndev->netdev_ops = &fs_enet_netdev_ops;
ndev->watchdog_timeo = 2 * HZ;
netif_napi_add(ndev, &fep->napi, fs_enet_rx_napi, fpi->napi_weight);
- netif_napi_add(ndev, &fep->napi_tx, fs_enet_tx_napi, 2);
+ netif_tx_napi_add(ndev, &fep->napi_tx, fs_enet_tx_napi, 2);
ndev->ethtool_ops = &fs_ethtool_ops;
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 7cf8984..4ce60e0 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -738,7 +738,6 @@
struct gfar_private *priv = NULL;
struct device_node *np = ofdev->dev.of_node;
struct device_node *child = NULL;
- struct property *stash;
u32 stash_len = 0;
u32 stash_idx = 0;
unsigned int num_tx_qs, num_rx_qs;
@@ -854,9 +853,7 @@
goto err_grp_init;
}
- stash = of_find_property(np, "bd-stash", NULL);
-
- if (stash) {
+ if (of_property_read_bool(np, "bd-stash")) {
priv->device_flags |= FSL_GIANFAR_DEV_HAS_BD_STASHING;
priv->bd_stash_en = 1;
}
@@ -1347,12 +1344,12 @@
if (priv->poll_mode == GFAR_SQ_POLLING) {
netif_napi_add(dev, &priv->gfargrp[i].napi_rx,
gfar_poll_rx_sq, GFAR_DEV_WEIGHT);
- netif_napi_add(dev, &priv->gfargrp[i].napi_tx,
+ netif_tx_napi_add(dev, &priv->gfargrp[i].napi_tx,
gfar_poll_tx_sq, 2);
} else {
netif_napi_add(dev, &priv->gfargrp[i].napi_rx,
gfar_poll_rx, GFAR_DEV_WEIGHT);
- netif_napi_add(dev, &priv->gfargrp[i].napi_tx,
+ netif_tx_napi_add(dev, &priv->gfargrp[i].napi_tx,
gfar_poll_tx, 2);
}
}
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k.h b/drivers/net/ethernet/intel/fm10k/fm10k.h
index 1444020..48809e5 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k.h
+++ b/drivers/net/ethernet/intel/fm10k/fm10k.h
@@ -33,7 +33,7 @@
#include "fm10k_pf.h"
#include "fm10k_vf.h"
-#define FM10K_MAX_JUMBO_FRAME_SIZE 15358 /* Maximum supported size 15K */
+#define FM10K_MAX_JUMBO_FRAME_SIZE 15342 /* Maximum supported size 15K */
#define MAX_QUEUES FM10K_MAX_QUEUES_PF
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
index e76a44c..746a198 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
@@ -1428,6 +1428,10 @@
fm10k_for_each_ring(ring, q_vector->tx)
clean_complete &= fm10k_clean_tx_irq(q_vector, ring);
+ /* Handle case where we are called by netpoll with a budget of 0 */
+ if (budget <= 0)
+ return budget;
+
/* attempt to distribute budget to each queue fairly, but don't
* allow the budget to go below 1 because we'll exit polling
*/
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_type.h b/drivers/net/ethernet/intel/fm10k/fm10k_type.h
index 318a212..35afd71 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_type.h
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_type.h
@@ -77,6 +77,7 @@
#define FM10K_PCIE_SRIOV_CTRL_VFARI 0x10
#define FM10K_ERR_PARAM -2
+#define FM10K_ERR_NO_RESOURCES -3
#define FM10K_ERR_REQUESTS_PENDING -4
#define FM10K_ERR_RESET_REQUESTED -5
#define FM10K_ERR_DMA_PENDING -6
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_vf.c b/drivers/net/ethernet/intel/fm10k/fm10k_vf.c
index 36c8b0a..3a18ef1 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_vf.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_vf.c
@@ -103,7 +103,12 @@
s32 err;
u16 i;
- /* assume we always have at least 1 queue */
+ /* verify we have at least 1 queue */
+ if (!~fm10k_read_reg(hw, FM10K_TXQCTL(0)) ||
+ !~fm10k_read_reg(hw, FM10K_RXQCTL(0)))
+ return FM10K_ERR_NO_RESOURCES;
+
+ /* determine how many queues we have */
for (i = 1; tqdloc0 && (i < FM10K_MAX_QUEUES_POOL); i++) {
/* verify the Descriptor cache offsets are increasing */
tqdloc = ~fm10k_read_reg(hw, FM10K_TQDLOC(i));
diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
index d4b7af9..d1a91c8 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -103,8 +103,8 @@
len = min_t(int, count, (i40e_dbg_dump_data_len - *ppos));
bytes_not_copied = copy_to_user(buffer, &i40e_dbg_dump_buf[*ppos], len);
- if (bytes_not_copied < 0)
- return bytes_not_copied;
+ if (bytes_not_copied)
+ return -EFAULT;
*ppos += len;
return len;
@@ -353,8 +353,8 @@
bytes_not_copied = copy_to_user(buffer, buf, len);
kfree(buf);
- if (bytes_not_copied < 0)
- return bytes_not_copied;
+ if (bytes_not_copied)
+ return -EFAULT;
*ppos = len;
return len;
@@ -981,12 +981,10 @@
if (!cmd_buf)
return count;
bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
- if (bytes_not_copied < 0) {
+ if (bytes_not_copied) {
kfree(cmd_buf);
- return bytes_not_copied;
+ return -EFAULT;
}
- if (bytes_not_copied > 0)
- count -= bytes_not_copied;
cmd_buf[count] = '\0';
cmd_buf_tmp = strchr(cmd_buf, '\n');
@@ -2034,8 +2032,8 @@
bytes_not_copied = copy_to_user(buffer, buf, len);
kfree(buf);
- if (bytes_not_copied < 0)
- return bytes_not_copied;
+ if (bytes_not_copied)
+ return -EFAULT;
*ppos = len;
return len;
@@ -2068,10 +2066,8 @@
memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
buffer, count);
- if (bytes_not_copied < 0)
- return bytes_not_copied;
- else if (bytes_not_copied > 0)
- count -= bytes_not_copied;
+ if (bytes_not_copied)
+ return -EFAULT;
i40e_dbg_netdev_ops_buf[count] = '\0';
buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 635b3ac..6649ce4 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -1632,7 +1632,6 @@
continue;
}
#endif
- skb_mark_napi_id(skb, &rx_ring->q_vector->napi);
i40e_receive_skb(rx_ring, skb, vlan_tag);
rx_desc->wb.qword1.status_error_len = 0;
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index 47e9a90..77968b1 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -1090,7 +1090,6 @@
continue;
}
#endif
- skb_mark_napi_id(skb, &rx_ring->q_vector->napi);
i40e_receive_skb(rx_ring, skb, vlan_tag);
rx_desc->wb.qword1.status_error_len = 0;
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index d962164..6ad6265 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -307,10 +307,9 @@
struct i40e_hw *hw = &adapter->hw;
u32 val;
- /* handle non-queue interrupts */
- rd32(hw, I40E_VFINT_ICR01);
- rd32(hw, I40E_VFINT_ICR0_ENA1);
-
+ /* handle non-queue interrupts, these reads clear the registers */
+ val = rd32(hw, I40E_VFINT_ICR01);
+ val = rd32(hw, I40E_VFINT_ICR0_ENA1);
val = rd32(hw, I40E_VFINT_DYN_CTL01) |
I40E_VFINT_DYN_CTL01_CLEARPBA_MASK;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
index 631c603..5f98870 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
@@ -620,8 +620,7 @@
struct ixgbe_fcoe_ddp_pool *ddp_pool;
ddp_pool = per_cpu_ptr(fcoe->ddp_pool, cpu);
- if (ddp_pool->pool)
- dma_pool_destroy(ddp_pool->pool);
+ dma_pool_destroy(ddp_pool->pool);
ddp_pool->pool = NULL;
}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
index f3168bc..e771e76 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
@@ -844,7 +844,6 @@
/* initialize NAPI */
netif_napi_add(adapter->netdev, &q_vector->napi,
ixgbe_poll, 64);
- napi_hash_add(&q_vector->napi);
#ifdef CONFIG_NET_RX_BUSY_POLL
/* initialize busy poll */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 47395ff..c95042e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -65,9 +65,6 @@
#include "ixgbe_common.h"
#include "ixgbe_dcb_82599.h"
#include "ixgbe_sriov.h"
-#ifdef CONFIG_IXGBE_VXLAN
-#include <net/vxlan.h>
-#endif
char ixgbe_driver_name[] = "ixgbe";
static const char ixgbe_driver_string[] =
@@ -1659,6 +1656,7 @@
static void ixgbe_rx_skb(struct ixgbe_q_vector *q_vector,
struct sk_buff *skb)
{
+ skb_mark_napi_id(skb, &q_vector->napi);
if (ixgbe_qv_busy_polling(q_vector))
netif_receive_skb(skb);
else
@@ -2123,7 +2121,6 @@
}
#endif /* IXGBE_FCOE */
- skb_mark_napi_id(skb, &q_vector->napi);
ixgbe_rx_skb(q_vector, skb);
/* update budget accounting */
@@ -2757,7 +2754,7 @@
/* EIAM disabled interrupts (on this vector) for us */
if (q_vector->rx.ring || q_vector->tx.ring)
- napi_schedule(&q_vector->napi);
+ napi_schedule_irqoff(&q_vector->napi);
return IRQ_HANDLED;
}
@@ -2786,7 +2783,8 @@
ixgbe_for_each_ring(ring, q_vector->tx)
clean_complete &= !!ixgbe_clean_tx_irq(q_vector, ring);
- if (!ixgbe_qv_lock_napi(q_vector))
+ /* Exit if we are called by netpoll or busy polling is active */
+ if ((budget <= 0) || !ixgbe_qv_lock_napi(q_vector))
return budget;
/* attempt to distribute budget to each queue fairly, but don't allow
@@ -2950,7 +2948,7 @@
ixgbe_ptp_check_pps_event(adapter, eicr);
/* would disable interrupts here but EIAM disabled it */
- napi_schedule(&q_vector->napi);
+ napi_schedule_irqoff(&q_vector->napi);
/*
* re-enable link(maybe) and non-queue interrupts, no flush.
@@ -3315,8 +3313,7 @@
}
/**
- * Return a number of entries in the RSS indirection table
- *
+ * ixgbe_rss_indir_tbl_entries - Return RSS indirection table entries
* @adapter: device handle
*
* - 82598/82599/X540: 128
@@ -3334,8 +3331,7 @@
}
/**
- * Write the RETA table to HW
- *
+ * ixgbe_store_reta - Write the RETA table to HW
* @adapter: device handle
*
* Write the RSS redirection table stored in adapter.rss_indir_tbl[] to HW.
@@ -3374,8 +3370,7 @@
}
/**
- * Write the RETA table to HW (for x550 devices in SRIOV mode)
- *
+ * ixgbe_store_vfreta - Write the RETA table to HW (x550 devices in SRIOV mode)
* @adapter: device handle
*
* Write the RSS redirection table stored in adapter.rss_indir_tbl[] to HW.
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index ebe0ac9..bf2ae8d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -26,6 +26,8 @@
#include "ixgbe_common.h"
#include "ixgbe_phy.h"
+static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *, ixgbe_link_speed);
+
static s32 ixgbe_get_invariants_X550_x(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
@@ -85,79 +87,6 @@
}
/**
- * ixgbe_check_cs4227_reg - Perform diag on a CS4227 register
- * @hw: pointer to hardware structure
- * @reg: the register to check
- *
- * Performs a diagnostic on a register in the CS4227 chip. Returns an error
- * if it is not operating correctly.
- * This function assumes that the caller has acquired the proper semaphore.
- */
-static s32 ixgbe_check_cs4227_reg(struct ixgbe_hw *hw, u16 reg)
-{
- s32 status;
- u32 retry;
- u16 reg_val;
-
- reg_val = (IXGBE_CS4227_EDC_MODE_DIAG << 1) | 1;
- status = ixgbe_write_cs4227(hw, reg, reg_val);
- if (status)
- return status;
- for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) {
- msleep(IXGBE_CS4227_CHECK_DELAY);
- reg_val = 0xFFFF;
- ixgbe_read_cs4227(hw, reg, ®_val);
- if (!reg_val)
- break;
- }
- if (reg_val) {
- hw_err(hw, "CS4227 reg 0x%04X failed diagnostic\n", reg);
- return status;
- }
-
- return 0;
-}
-
-/**
- * ixgbe_get_cs4227_status - Return CS4227 status
- * @hw: pointer to hardware structure
- *
- * Performs a diagnostic on the CS4227 chip. Returns an error if it is
- * not operating correctly.
- * This function assumes that the caller has acquired the proper semaphore.
- */
-static s32 ixgbe_get_cs4227_status(struct ixgbe_hw *hw)
-{
- s32 status;
- u16 value = 0;
-
- /* Exit if the diagnostic has already been performed. */
- status = ixgbe_read_cs4227(hw, IXGBE_CS4227_SCRATCH, &value);
- if (status)
- return status;
- if (value == IXGBE_CS4227_RESET_COMPLETE)
- return 0;
-
- /* Check port 0. */
- status = ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_LINE_SPARE24_LSB);
- if (status)
- return status;
-
- status = ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_HOST_SPARE24_LSB);
- if (status)
- return status;
-
- /* Check port 1. */
- status = ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_LINE_SPARE24_LSB +
- (1 << 12));
- if (status)
- return status;
-
- return ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_HOST_SPARE24_LSB +
- (1 << 12));
-}
-
-/**
* ixgbe_read_pe - Read register from port expander
* @hw: pointer to hardware structure
* @reg: register number to read
@@ -326,13 +255,6 @@
return;
}
- /* Is the CS4227 working correctly? */
- status = ixgbe_get_cs4227_status(hw);
- if (status) {
- hw_err(hw, "CS4227 status failed: %d", status);
- goto out;
- }
-
/* Record completion for next time. */
status = ixgbe_write_cs4227(hw, IXGBE_CS4227_SCRATCH,
IXGBE_CS4227_RESET_COMPLETE);
@@ -1257,31 +1179,71 @@
if (status)
return status;
- /* Configure CS4227 LINE side to 10G SR. */
- slice = IXGBE_CS4227_LINE_SPARE22_MSB + (hw->bus.lan_id << 12);
- value = IXGBE_CS4227_SPEED_10G;
- status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice,
- value);
+ if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
+ /* Configure CS4227 LINE side to 10G SR. */
+ slice = IXGBE_CS4227_LINE_SPARE22_MSB + (hw->bus.lan_id << 12);
+ value = IXGBE_CS4227_SPEED_10G;
+ status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227,
+ slice, value);
+ if (status)
+ goto i2c_err;
- /* Configure CS4227 for HOST connection rate then type. */
- slice = IXGBE_CS4227_HOST_SPARE22_MSB + (hw->bus.lan_id << 12);
- value = speed & IXGBE_LINK_SPEED_10GB_FULL ?
- IXGBE_CS4227_SPEED_10G : IXGBE_CS4227_SPEED_1G;
- status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice,
- value);
-
- slice = IXGBE_CS4227_HOST_SPARE24_LSB + (hw->bus.lan_id << 12);
- if (setup_linear)
- value = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1;
- else
+ slice = IXGBE_CS4227_LINE_SPARE24_LSB + (hw->bus.lan_id << 12);
value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1;
- status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice,
- value);
+ status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227,
+ slice, value);
+ if (status)
+ goto i2c_err;
- /* If internal link mode is XFI, then setup XFI internal link. */
- if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE))
+ /* Configure CS4227 for HOST connection rate then type. */
+ slice = IXGBE_CS4227_HOST_SPARE22_MSB + (hw->bus.lan_id << 12);
+ value = speed & IXGBE_LINK_SPEED_10GB_FULL ?
+ IXGBE_CS4227_SPEED_10G : IXGBE_CS4227_SPEED_1G;
+ status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227,
+ slice, value);
+ if (status)
+ goto i2c_err;
+
+ slice = IXGBE_CS4227_HOST_SPARE24_LSB + (hw->bus.lan_id << 12);
+ if (setup_linear)
+ value = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1;
+ else
+ value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1;
+ status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227,
+ slice, value);
+ if (status)
+ goto i2c_err;
+
+ /* Setup XFI internal link. */
status = ixgbe_setup_ixfi_x550em(hw, &speed);
+ if (status) {
+ hw_dbg(hw, "setup_ixfi failed with %d\n", status);
+ return status;
+ }
+ } else {
+ /* Configure internal PHY for KR/KX. */
+ status = ixgbe_setup_kr_speed_x550em(hw, speed);
+ if (status) {
+ hw_dbg(hw, "setup_kr_speed failed with %d\n", status);
+ return status;
+ }
+ /* Configure CS4227 LINE side to proper mode. */
+ slice = IXGBE_CS4227_LINE_SPARE24_LSB + (hw->bus.lan_id << 12);
+ if (setup_linear)
+ value = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1;
+ else
+ value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1;
+ status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227,
+ slice, value);
+ if (status)
+ goto i2c_err;
+ }
+
+ return 0;
+
+i2c_err:
+ hw_dbg(hw, "combined i2c access failed with %d\n", status);
return status;
}
@@ -1982,12 +1944,9 @@
* to determine internal PHY mode.
*/
phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
-
- /* If internal PHY mode is KR, then initialize KR link */
if (phy->nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE) {
speed = IXGBE_LINK_SPEED_10GB_FULL |
IXGBE_LINK_SPEED_1GB_FULL;
- ret_val = ixgbe_setup_kr_speed_x550em(hw, speed);
}
}
diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
index d3e5f5b..c48aef6 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
@@ -774,7 +774,7 @@
adapter->tx_itr_setting = ec->tx_coalesce_usecs;
if (adapter->tx_itr_setting == 1)
- tx_itr_param = IXGBE_10K_ITR;
+ tx_itr_param = IXGBE_12K_ITR;
else
tx_itr_param = adapter->tx_itr_setting;
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
index ec31472..68ec7daa 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
@@ -326,8 +326,7 @@
#define IXGBE_MIN_RSC_ITR 24
#define IXGBE_100K_ITR 40
#define IXGBE_20K_ITR 200
-#define IXGBE_10K_ITR 400
-#define IXGBE_8K_ITR 500
+#define IXGBE_12K_ITR 336
/* Helper macros to switch between ints/sec and what the register uses.
* And yes, it's the same math going both ways. The lowest value
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 592ff23..dbbd1be 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1138,7 +1138,7 @@
if (q_vector->tx.ring && !q_vector->rx.ring) {
/* Tx only vector */
if (adapter->tx_itr_setting == 1)
- q_vector->itr = IXGBE_10K_ITR;
+ q_vector->itr = IXGBE_12K_ITR;
else
q_vector->itr = adapter->tx_itr_setting;
} else {
@@ -1196,7 +1196,7 @@
/* simple throttle rate management
* 0-20MB/s lowest (100000 ints/s)
* 20-100MB/s low (20000 ints/s)
- * 100-1249MB/s bulk (8000 ints/s)
+ * 100-1249MB/s bulk (12000 ints/s)
*/
/* what was last interrupt timeslice? */
timepassed_us = q_vector->itr >> 2;
@@ -1247,7 +1247,7 @@
break;
case bulk_latency:
default:
- new_itr = IXGBE_8K_ITR;
+ new_itr = IXGBE_12K_ITR;
break;
}
@@ -1288,7 +1288,7 @@
/* EIAM disabled interrupts (on this vector) for us */
if (q_vector->rx.ring || q_vector->tx.ring)
- napi_schedule(&q_vector->napi);
+ napi_schedule_irqoff(&q_vector->napi);
return IRQ_HANDLED;
}
@@ -2260,10 +2260,8 @@
}
if (is_valid_ether_addr(adapter->hw.mac.addr)) {
- memcpy(netdev->dev_addr, adapter->hw.mac.addr,
- netdev->addr_len);
- memcpy(netdev->perm_addr, adapter->hw.mac.addr,
- netdev->addr_len);
+ ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr);
+ ether_addr_copy(netdev->perm_addr, adapter->hw.mac.addr);
}
adapter->last_reset = jiffies;
@@ -2483,9 +2481,6 @@
q_vector->v_idx = q_idx;
netif_napi_add(adapter->netdev, &q_vector->napi,
ixgbevf_poll, 64);
-#ifdef CONFIG_NET_RX_BUSY_POLL
- napi_hash_add(&q_vector->napi);
-#endif
adapter->q_vector[q_idx] = q_vector;
}
@@ -2662,13 +2657,14 @@
else if (is_zero_ether_addr(adapter->hw.mac.addr))
dev_info(&pdev->dev,
"MAC address not assigned by administrator.\n");
- memcpy(netdev->dev_addr, hw->mac.addr, netdev->addr_len);
+ ether_addr_copy(netdev->dev_addr, hw->mac.addr);
}
if (!is_valid_ether_addr(netdev->dev_addr)) {
dev_info(&pdev->dev, "Assigning random MAC address\n");
eth_hw_addr_random(netdev);
- memcpy(hw->mac.addr, netdev->dev_addr, netdev->addr_len);
+ ether_addr_copy(hw->mac.addr, netdev->dev_addr);
+ ether_addr_copy(hw->mac.perm_addr, netdev->dev_addr);
}
/* Enable dynamic interrupt throttling rates */
@@ -3698,8 +3694,8 @@
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
- memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
- memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len);
+ ether_addr_copy(netdev->dev_addr, addr->sa_data);
+ ether_addr_copy(hw->mac.addr, addr->sa_data);
spin_lock_bh(&adapter->mbx_lock);
diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.c b/drivers/net/ethernet/intel/ixgbevf/vf.c
index 427f360..61a98f4 100644
--- a/drivers/net/ethernet/intel/ixgbevf/vf.c
+++ b/drivers/net/ethernet/intel/ixgbevf/vf.c
@@ -117,7 +117,9 @@
msgbuf[0] != (IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_NACK))
return IXGBE_ERR_INVALID_MAC_ADDR;
- ether_addr_copy(hw->mac.perm_addr, addr);
+ if (msgbuf[0] == (IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK))
+ ether_addr_copy(hw->mac.perm_addr, addr);
+
hw->mac.mc_filter_type = msgbuf[IXGBE_VF_MC_TYPE_WORD];
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
index eb8a498..af975a2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
@@ -155,13 +155,11 @@
cq->mcq.comp = cq->is_tx ? mlx4_en_tx_irq : mlx4_en_rx_irq;
cq->mcq.event = mlx4_en_cq_event;
- if (cq->is_tx) {
- netif_napi_add(cq->dev, &cq->napi, mlx4_en_poll_tx_cq,
- NAPI_POLL_WEIGHT);
- } else {
+ if (cq->is_tx)
+ netif_tx_napi_add(cq->dev, &cq->napi, mlx4_en_poll_tx_cq,
+ NAPI_POLL_WEIGHT);
+ else
netif_napi_add(cq->dev, &cq->napi, mlx4_en_poll_rx_cq, 64);
- napi_hash_add(&cq->napi);
- }
napi_enable(&cq->napi);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index ddb5541..dd84cab 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -337,11 +337,7 @@
case ETH_SS_STATS:
return bitmap_iterator_count(&it) +
(priv->tx_ring_num * 2) +
-#ifdef CONFIG_NET_RX_BUSY_POLL
- (priv->rx_ring_num * 5);
-#else
(priv->rx_ring_num * 2);
-#endif
case ETH_SS_TEST:
return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
& MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
@@ -408,11 +404,6 @@
for (i = 0; i < priv->rx_ring_num; i++) {
data[index++] = priv->rx_ring[i]->packets;
data[index++] = priv->rx_ring[i]->bytes;
-#ifdef CONFIG_NET_RX_BUSY_POLL
- data[index++] = priv->rx_ring[i]->yields;
- data[index++] = priv->rx_ring[i]->misses;
- data[index++] = priv->rx_ring[i]->cleaned;
-#endif
}
spin_unlock_bh(&priv->stats_lock);
@@ -486,14 +477,6 @@
"rx%d_packets", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_bytes", i);
-#ifdef CONFIG_NET_RX_BUSY_POLL
- sprintf(data + (index++) * ETH_GSTRING_LEN,
- "rx%d_napi_yield", i);
- sprintf(data + (index++) * ETH_GSTRING_LEN,
- "rx%d_misses", i);
- sprintf(data + (index++) * ETH_GSTRING_LEN,
- "rx%d_cleaned", i);
-#endif
}
break;
case ETH_SS_PRIV_FLAGS:
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 886e1bc..659209f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -69,34 +69,6 @@
return 0;
}
-#ifdef CONFIG_NET_RX_BUSY_POLL
-/* must be called with local_bh_disable()d */
-static int mlx4_en_low_latency_recv(struct napi_struct *napi)
-{
- struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi);
- struct net_device *dev = cq->dev;
- struct mlx4_en_priv *priv = netdev_priv(dev);
- struct mlx4_en_rx_ring *rx_ring = priv->rx_ring[cq->ring];
- int done;
-
- if (!priv->port_up)
- return LL_FLUSH_FAILED;
-
- if (!mlx4_en_cq_lock_poll(cq))
- return LL_FLUSH_BUSY;
-
- done = mlx4_en_process_rx_cq(dev, cq, 4);
- if (likely(done))
- rx_ring->cleaned += done;
- else
- rx_ring->misses++;
-
- mlx4_en_cq_unlock_poll(cq);
-
- return done;
-}
-#endif /* CONFIG_NET_RX_BUSY_POLL */
-
#ifdef CONFIG_RFS_ACCEL
struct mlx4_en_filter {
@@ -1561,8 +1533,6 @@
for (i = 0; i < priv->rx_ring_num; i++) {
cq = priv->rx_cq[i];
- mlx4_en_cq_init_lock(cq);
-
err = mlx4_en_init_affinity_hint(priv, i);
if (err) {
en_err(priv, "Failed preparing IRQ affinity hint\n");
@@ -1859,13 +1829,6 @@
for (i = 0; i < priv->rx_ring_num; i++) {
struct mlx4_en_cq *cq = priv->rx_cq[i];
- local_bh_disable();
- while (!mlx4_en_cq_lock_napi(cq)) {
- pr_info("CQ %d locked\n", i);
- mdelay(1);
- }
- local_bh_enable();
-
napi_synchronize(&cq->napi);
mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]);
mlx4_en_deactivate_cq(priv, cq);
@@ -2504,9 +2467,6 @@
#ifdef CONFIG_RFS_ACCEL
.ndo_rx_flow_steer = mlx4_en_filter_rfs,
#endif
-#ifdef CONFIG_NET_RX_BUSY_POLL
- .ndo_busy_poll = mlx4_en_low_latency_recv,
-#endif
.ndo_get_phys_port_id = mlx4_en_get_phys_port_id,
#ifdef CONFIG_MLX4_EN_VXLAN
.ndo_add_vxlan_port = mlx4_en_add_vxlan_port,
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index e7a5000..41440b2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -873,10 +873,8 @@
* - TCP/IP (v4)
* - without IP options
* - not an IP fragment
- * - no LLS polling in progress
*/
- if (!mlx4_en_cq_busy_polling(cq) &&
- (dev->features & NETIF_F_GRO)) {
+ if (dev->features & NETIF_F_GRO) {
struct sk_buff *gro_skb = napi_get_frags(&cq->napi);
if (!gro_skb)
goto next;
@@ -927,7 +925,6 @@
PKT_HASH_TYPE_L3);
skb_record_rx_queue(gro_skb, cq->ring);
- skb_mark_napi_id(gro_skb, &cq->napi);
if (ring->hwtstamp_rx_filter == HWTSTAMP_FILTER_ALL) {
timestamp = mlx4_en_get_cqe_ts(cqe);
@@ -990,13 +987,7 @@
timestamp);
}
- skb_mark_napi_id(skb, &cq->napi);
-
- if (!mlx4_en_cq_busy_polling(cq))
- napi_gro_receive(&cq->napi, skb);
- else
- netif_receive_skb(skb);
-
+ napi_gro_receive(&cq->napi, skb);
next:
for (nr = 0; nr < priv->num_frags; nr++)
mlx4_en_free_frag(priv, frags, nr);
@@ -1038,13 +1029,8 @@
struct mlx4_en_priv *priv = netdev_priv(dev);
int done;
- if (!mlx4_en_cq_lock_napi(cq))
- return budget;
-
done = mlx4_en_process_rx_cq(dev, cq, budget);
- mlx4_en_cq_unlock_napi(cq);
-
/* If we used up all the quota - we're probably not done yet... */
if (done == budget) {
const struct cpumask *aff;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index c41f151..35de7d2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -320,11 +320,6 @@
void *rx_info;
unsigned long bytes;
unsigned long packets;
-#ifdef CONFIG_NET_RX_BUSY_POLL
- unsigned long yields;
- unsigned long misses;
- unsigned long cleaned;
-#endif
unsigned long csum_ok;
unsigned long csum_none;
unsigned long csum_complete;
@@ -347,18 +342,6 @@
struct mlx4_cqe *buf;
#define MLX4_EN_OPCODE_ERROR 0x1e
-#ifdef CONFIG_NET_RX_BUSY_POLL
- unsigned int state;
-#define MLX4_EN_CQ_STATE_IDLE 0
-#define MLX4_EN_CQ_STATE_NAPI 1 /* NAPI owns this CQ */
-#define MLX4_EN_CQ_STATE_POLL 2 /* poll owns this CQ */
-#define MLX4_CQ_LOCKED (MLX4_EN_CQ_STATE_NAPI | MLX4_EN_CQ_STATE_POLL)
-#define MLX4_EN_CQ_STATE_NAPI_YIELD 4 /* NAPI yielded this CQ */
-#define MLX4_EN_CQ_STATE_POLL_YIELD 8 /* poll yielded this CQ */
-#define CQ_YIELD (MLX4_EN_CQ_STATE_NAPI_YIELD | MLX4_EN_CQ_STATE_POLL_YIELD)
-#define CQ_USER_PEND (MLX4_EN_CQ_STATE_POLL | MLX4_EN_CQ_STATE_POLL_YIELD)
- spinlock_t poll_lock; /* protects from LLS/napi conflicts */
-#endif /* CONFIG_NET_RX_BUSY_POLL */
struct irq_desc *irq_desc;
};
@@ -622,115 +605,6 @@
return buf + idx * cqe_sz;
}
-#ifdef CONFIG_NET_RX_BUSY_POLL
-static inline void mlx4_en_cq_init_lock(struct mlx4_en_cq *cq)
-{
- spin_lock_init(&cq->poll_lock);
- cq->state = MLX4_EN_CQ_STATE_IDLE;
-}
-
-/* called from the device poll rutine to get ownership of a cq */
-static inline bool mlx4_en_cq_lock_napi(struct mlx4_en_cq *cq)
-{
- int rc = true;
- spin_lock(&cq->poll_lock);
- if (cq->state & MLX4_CQ_LOCKED) {
- WARN_ON(cq->state & MLX4_EN_CQ_STATE_NAPI);
- cq->state |= MLX4_EN_CQ_STATE_NAPI_YIELD;
- rc = false;
- } else
- /* we don't care if someone yielded */
- cq->state = MLX4_EN_CQ_STATE_NAPI;
- spin_unlock(&cq->poll_lock);
- return rc;
-}
-
-/* returns true is someone tried to get the cq while napi had it */
-static inline bool mlx4_en_cq_unlock_napi(struct mlx4_en_cq *cq)
-{
- int rc = false;
- spin_lock(&cq->poll_lock);
- WARN_ON(cq->state & (MLX4_EN_CQ_STATE_POLL |
- MLX4_EN_CQ_STATE_NAPI_YIELD));
-
- if (cq->state & MLX4_EN_CQ_STATE_POLL_YIELD)
- rc = true;
- cq->state = MLX4_EN_CQ_STATE_IDLE;
- spin_unlock(&cq->poll_lock);
- return rc;
-}
-
-/* called from mlx4_en_low_latency_poll() */
-static inline bool mlx4_en_cq_lock_poll(struct mlx4_en_cq *cq)
-{
- int rc = true;
- spin_lock_bh(&cq->poll_lock);
- if ((cq->state & MLX4_CQ_LOCKED)) {
- struct net_device *dev = cq->dev;
- struct mlx4_en_priv *priv = netdev_priv(dev);
- struct mlx4_en_rx_ring *rx_ring = priv->rx_ring[cq->ring];
-
- cq->state |= MLX4_EN_CQ_STATE_POLL_YIELD;
- rc = false;
- rx_ring->yields++;
- } else
- /* preserve yield marks */
- cq->state |= MLX4_EN_CQ_STATE_POLL;
- spin_unlock_bh(&cq->poll_lock);
- return rc;
-}
-
-/* returns true if someone tried to get the cq while it was locked */
-static inline bool mlx4_en_cq_unlock_poll(struct mlx4_en_cq *cq)
-{
- int rc = false;
- spin_lock_bh(&cq->poll_lock);
- WARN_ON(cq->state & (MLX4_EN_CQ_STATE_NAPI));
-
- if (cq->state & MLX4_EN_CQ_STATE_POLL_YIELD)
- rc = true;
- cq->state = MLX4_EN_CQ_STATE_IDLE;
- spin_unlock_bh(&cq->poll_lock);
- return rc;
-}
-
-/* true if a socket is polling, even if it did not get the lock */
-static inline bool mlx4_en_cq_busy_polling(struct mlx4_en_cq *cq)
-{
- WARN_ON(!(cq->state & MLX4_CQ_LOCKED));
- return cq->state & CQ_USER_PEND;
-}
-#else
-static inline void mlx4_en_cq_init_lock(struct mlx4_en_cq *cq)
-{
-}
-
-static inline bool mlx4_en_cq_lock_napi(struct mlx4_en_cq *cq)
-{
- return true;
-}
-
-static inline bool mlx4_en_cq_unlock_napi(struct mlx4_en_cq *cq)
-{
- return false;
-}
-
-static inline bool mlx4_en_cq_lock_poll(struct mlx4_en_cq *cq)
-{
- return false;
-}
-
-static inline bool mlx4_en_cq_unlock_poll(struct mlx4_en_cq *cq)
-{
- return false;
-}
-
-static inline bool mlx4_en_cq_busy_polling(struct mlx4_en_cq *cq)
-{
- return false;
-}
-#endif /* CONFIG_NET_RX_BUSY_POLL */
-
#define MLX4_EN_WOL_DO_MODIFY (1ULL << 63)
void mlx4_en_update_loopback_state(struct net_device *dev,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 22e72bf..69f1c1a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -564,7 +564,7 @@
void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, enum mlx5_event event);
int mlx5e_napi_poll(struct napi_struct *napi, int budget);
bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq);
-bool mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
+int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
struct mlx5_cqe64 *mlx5e_get_cqe(struct mlx5e_cq *cq);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 1e52db3..f6a8cc7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -1020,6 +1020,7 @@
err_napi_del:
netif_napi_del(&c->napi);
+ napi_hash_del(&c->napi);
kfree(c);
return err;
@@ -1033,6 +1034,10 @@
mlx5e_close_cq(&c->rq.cq);
mlx5e_close_tx_cqs(c);
netif_napi_del(&c->napi);
+
+ napi_hash_del(&c->napi);
+ synchronize_rcu();
+
kfree(c);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index cf00985..7c8c408 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -33,6 +33,7 @@
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/tcp.h>
+#include <net/busy_poll.h>
#include "en.h"
static inline int mlx5e_alloc_rx_wqe(struct mlx5e_rq *rq,
@@ -215,16 +216,16 @@
be16_to_cpu(cqe->vlan_info));
}
-bool mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget)
+int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget)
{
struct mlx5e_rq *rq = container_of(cq, struct mlx5e_rq, cq);
- int i;
+ int work_done;
/* avoid accessing cq (dma coherent memory) if not needed */
if (!test_and_clear_bit(MLX5E_CQ_HAS_CQES, &cq->flags))
- return false;
+ return 0;
- for (i = 0; i < budget; i++) {
+ for (work_done = 0; work_done < budget; work_done++) {
struct mlx5e_rx_wqe *wqe;
struct mlx5_cqe64 *cqe;
struct sk_buff *skb;
@@ -269,10 +270,8 @@
/* ensure cq space is freed before enabling more cqes */
wmb();
- if (i == budget) {
+ if (work_done == budget)
set_bit(MLX5E_CQ_HAS_CQES, &cq->flags);
- return true;
- }
- return false;
+ return work_done;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
index 2c7cb67..4ac8d71 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
@@ -54,6 +54,7 @@
struct mlx5e_channel *c = container_of(napi, struct mlx5e_channel,
napi);
bool busy = false;
+ int work_done;
int i;
clear_bit(MLX5E_CHANNEL_NAPI_SCHED, &c->flags);
@@ -61,26 +62,26 @@
for (i = 0; i < c->num_tc; i++)
busy |= mlx5e_poll_tx_cq(&c->sq[i].cq);
- busy |= mlx5e_poll_rx_cq(&c->rq.cq, budget);
-
+ work_done = mlx5e_poll_rx_cq(&c->rq.cq, budget);
+ busy |= work_done == budget;
busy |= mlx5e_post_rx_wqes(&c->rq);
if (busy)
return budget;
- napi_complete(napi);
+ napi_complete_done(napi, work_done);
/* avoid losing completion event during/after polling cqs */
if (test_bit(MLX5E_CHANNEL_NAPI_SCHED, &c->flags)) {
napi_schedule(napi);
- return 0;
+ return work_done;
}
for (i = 0; i < c->num_tc; i++)
mlx5e_cq_arm(&c->sq[i].cq);
mlx5e_cq_arm(&c->rq.cq);
- return 0;
+ return work_done;
}
void mlx5e_completion_event(struct mlx5_core_cq *mcq)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 617fb22..f21e239 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -342,14 +342,35 @@
return err;
}
+static int __mlxsw_sp_port_vlans_set(struct mlxsw_sp_port *mlxsw_sp_port,
+ u16 vid_begin, u16 vid_end, bool is_member,
+ bool untagged)
+{
+ u16 vid, vid_e;
+ int err;
+
+ for (vid = vid_begin; vid <= vid_end;
+ vid += MLXSW_REG_SPVM_REC_MAX_COUNT) {
+ vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1),
+ vid_end);
+
+ err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e,
+ is_member, untagged);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port,
u16 vid_begin, u16 vid_end,
bool flag_untagged, bool flag_pvid)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct net_device *dev = mlxsw_sp_port->dev;
+ u16 vid, last_visited_vid, old_pvid;
enum mlxsw_reg_svfa_mt mt;
- u16 vid, vid_e;
int err;
/* In case this is invoked with BRIDGE_FLAGS_SELF and port is
@@ -377,15 +398,18 @@
if (err) {
netdev_err(dev, "Failed to create FID=VID=%d mapping\n",
vid);
- return err;
+ goto err_port_vid_to_fid_set;
}
}
+ }
- /* Set FID mapping according to port's mode */
+ /* Set FID mapping according to port's mode */
+ for (vid = vid_begin; vid <= vid_end; vid++) {
err = mlxsw_sp_port_fid_map(mlxsw_sp_port, vid);
if (err) {
netdev_err(dev, "Failed to map FID=%d", vid);
- return err;
+ last_visited_vid = --vid;
+ goto err_port_fid_map;
}
}
@@ -393,40 +417,62 @@
true, false);
if (err) {
netdev_err(dev, "Failed to configure flooding\n");
- return err;
+ goto err_port_flood_set;
}
- for (vid = vid_begin; vid <= vid_end;
- vid += MLXSW_REG_SPVM_REC_MAX_COUNT) {
- vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1),
- vid_end);
-
- err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e, true,
- flag_untagged);
- if (err) {
- netdev_err(mlxsw_sp_port->dev, "Unable to add VIDs %d-%d\n",
- vid, vid_e);
- return err;
- }
+ err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end,
+ true, flag_untagged);
+ if (err) {
+ netdev_err(dev, "Unable to add VIDs %d-%d\n", vid_begin,
+ vid_end);
+ goto err_port_vlans_set;
}
- vid = vid_begin;
- if (flag_pvid && mlxsw_sp_port->pvid != vid) {
- err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid);
+ old_pvid = mlxsw_sp_port->pvid;
+ if (flag_pvid && old_pvid != vid_begin) {
+ err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid_begin);
if (err) {
- netdev_err(mlxsw_sp_port->dev, "Unable to add PVID %d\n",
- vid);
- return err;
+ netdev_err(dev, "Unable to add PVID %d\n", vid_begin);
+ goto err_port_pvid_set;
}
- mlxsw_sp_port->pvid = vid;
+ mlxsw_sp_port->pvid = vid_begin;
}
/* Changing activity bits only if HW operation succeded */
for (vid = vid_begin; vid <= vid_end; vid++)
set_bit(vid, mlxsw_sp_port->active_vlans);
- return mlxsw_sp_port_stp_state_set(mlxsw_sp_port,
- mlxsw_sp_port->stp_state);
+ /* STP state change must be done after we set active VLANs */
+ err = mlxsw_sp_port_stp_state_set(mlxsw_sp_port,
+ mlxsw_sp_port->stp_state);
+ if (err) {
+ netdev_err(dev, "Failed to set STP state\n");
+ goto err_port_stp_state_set;
+ }
+
+ return 0;
+
+err_port_vid_to_fid_set:
+ mlxsw_sp_fid_destroy(mlxsw_sp, vid);
+ return err;
+
+err_port_stp_state_set:
+ for (vid = vid_begin; vid <= vid_end; vid++)
+ clear_bit(vid, mlxsw_sp_port->active_vlans);
+ if (old_pvid != mlxsw_sp_port->pvid)
+ mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid);
+err_port_pvid_set:
+ __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, false,
+ false);
+err_port_vlans_set:
+ __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, false,
+ false);
+err_port_flood_set:
+ last_visited_vid = vid_end;
+err_port_fid_map:
+ for (vid = last_visited_vid; vid >= vid_begin; vid--)
+ mlxsw_sp_port_fid_unmap(mlxsw_sp_port, vid);
+ return err;
}
static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port,
@@ -532,7 +578,7 @@
u16 vid_begin, u16 vid_end, bool init)
{
struct net_device *dev = mlxsw_sp_port->dev;
- u16 vid, vid_e;
+ u16 vid, pvid;
int err;
/* In case this is invoked with BRIDGE_FLAGS_SELF and port is
@@ -542,30 +588,23 @@
if (!init && !mlxsw_sp_port->bridged)
return mlxsw_sp_port_kill_vids(dev, vid_begin, vid_end);
- for (vid = vid_begin; vid <= vid_end;
- vid += MLXSW_REG_SPVM_REC_MAX_COUNT) {
- vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1),
- vid_end);
- err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e, false,
- false);
- if (err) {
- netdev_err(mlxsw_sp_port->dev, "Unable to del VIDs %d-%d\n",
- vid, vid_e);
- return err;
- }
+ err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end,
+ false, false);
+ if (err) {
+ netdev_err(dev, "Unable to del VIDs %d-%d\n", vid_begin,
+ vid_end);
+ return err;
}
- if ((mlxsw_sp_port->pvid >= vid_begin) &&
- (mlxsw_sp_port->pvid <= vid_end)) {
+ pvid = mlxsw_sp_port->pvid;
+ if (pvid >= vid_begin && pvid <= vid_end && pvid != 1) {
/* Default VLAN is always 1 */
- mlxsw_sp_port->pvid = 1;
- err = mlxsw_sp_port_pvid_set(mlxsw_sp_port,
- mlxsw_sp_port->pvid);
+ err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1);
if (err) {
- netdev_err(mlxsw_sp_port->dev, "Unable to del PVID %d\n",
- vid);
+ netdev_err(dev, "Unable to del PVID %d\n", pvid);
return err;
}
+ mlxsw_sp_port->pvid = 1;
}
if (init)
diff --git a/drivers/net/ethernet/microchip/encx24j600.c b/drivers/net/ethernet/microchip/encx24j600.c
index 2056b71..7df3183 100644
--- a/drivers/net/ethernet/microchip/encx24j600.c
+++ b/drivers/net/ethernet/microchip/encx24j600.c
@@ -600,22 +600,11 @@
static int encx24j600_hw_init(struct encx24j600_priv *priv)
{
- struct net_device *dev = priv->ndev;
int ret = 0;
- u16 eidled;
u16 macon2;
priv->hw_enabled = false;
- eidled = encx24j600_read_reg(priv, EIDLED);
- if (((eidled & DEVID_MASK) >> DEVID_SHIFT) != ENCX24J600_DEV_ID) {
- ret = -EINVAL;
- goto err_out;
- }
-
- netif_info(priv, drv, dev, "Silicon rev ID: 0x%02x\n",
- (eidled & REVID_MASK) >> REVID_SHIFT);
-
/* PHY Leds: link status,
* LEDA: Link State + collision events
* LEDB: Link State + transmit/receive events
@@ -655,7 +644,6 @@
if (netif_msg_hw(priv))
encx24j600_dump_config(priv, "Hw is initialized");
-err_out:
return ret;
}
@@ -1004,6 +992,7 @@
struct net_device *ndev;
struct encx24j600_priv *priv;
+ u16 eidled;
ndev = alloc_etherdev(sizeof(struct encx24j600_priv));
@@ -1072,10 +1061,21 @@
goto out_free;
}
+ eidled = encx24j600_read_reg(priv, EIDLED);
+ if (((eidled & DEVID_MASK) >> DEVID_SHIFT) != ENCX24J600_DEV_ID) {
+ ret = -EINVAL;
+ goto out_unregister;
+ }
+
+ netif_info(priv, probe, ndev, "Silicon rev ID: 0x%02x\n",
+ (eidled & REVID_MASK) >> REVID_SHIFT);
+
netif_info(priv, drv, priv->ndev, "MAC address %pM\n", ndev->dev_addr);
return ret;
+out_unregister:
+ unregister_netdev(priv->ndev);
out_free:
free_netdev(ndev);
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
index 83651ac..270c9ee 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -1488,7 +1488,6 @@
}
myri10ge_vlan_rx(mgp->dev, va, skb);
skb_record_rx_queue(skb, ss - &mgp->ss[0]);
- skb_mark_napi_id(skb, &ss->napi);
if (polling) {
int hlen;
@@ -1506,6 +1505,7 @@
skb->data_len -= hlen;
skb->tail += hlen;
skb->protocol = eth_type_trans(skb, dev);
+ skb_mark_napi_id(skb, &ss->napi);
netif_receive_skb(skb);
}
else
@@ -3814,7 +3814,6 @@
ss->dev = mgp->dev;
netif_napi_add(ss->dev, &ss->napi, myri10ge_poll,
myri10ge_napi_weight);
- napi_hash_add(&ss->napi);
}
return 0;
abort:
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index d4b5085..7bd6f25 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
@@ -1604,7 +1604,7 @@
if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test) {
for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
- netif_napi_add(netdev, &tx_ring->napi, qlcnic_tx_poll,
+ netif_tx_napi_add(netdev, &tx_ring->napi, qlcnic_tx_poll,
NAPI_POLL_WEIGHT);
}
}
@@ -2135,7 +2135,7 @@
!(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
- netif_napi_add(netdev, &tx_ring->napi,
+ netif_tx_napi_add(netdev, &tx_ring->napi,
qlcnic_83xx_msix_tx_poll,
NAPI_POLL_WEIGHT);
}
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
index 0623fff9..f9dee74 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h
@@ -576,6 +576,9 @@
GTI_TIV = 0x0FFFFFFF,
};
+#define GTI_TIV_MAX GTI_TIV
+#define GTI_TIV_MIN 0x20
+
/* GIC */
enum GIC_BIT {
GIC_PTCE = 0x00000001, /* Undocumented? */
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index ed5da4d..16992d6 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -32,6 +32,8 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
+#include <asm/div64.h>
+
#include "ravb.h"
#define RAVB_DEF_MSG_ENABLE \
@@ -1661,6 +1663,38 @@
};
MODULE_DEVICE_TABLE(of, ravb_match_table);
+static int ravb_set_gti(struct net_device *ndev)
+{
+
+ struct device *dev = ndev->dev.parent;
+ struct device_node *np = dev->of_node;
+ unsigned long rate;
+ struct clk *clk;
+ uint64_t inc;
+
+ clk = of_clk_get(np, 0);
+ if (IS_ERR(clk)) {
+ dev_err(dev, "could not get clock\n");
+ return PTR_ERR(clk);
+ }
+
+ rate = clk_get_rate(clk);
+ clk_put(clk);
+
+ inc = 1000000000ULL << 20;
+ do_div(inc, rate);
+
+ if (inc < GTI_TIV_MIN || inc > GTI_TIV_MAX) {
+ dev_err(dev, "gti.tiv increment 0x%llx is outside the range 0x%x - 0x%x\n",
+ inc, GTI_TIV_MIN, GTI_TIV_MAX);
+ return -EINVAL;
+ }
+
+ ravb_write(ndev, inc, GTI);
+
+ return 0;
+}
+
static int ravb_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -1757,7 +1791,9 @@
CCC);
/* Set GTI value */
- ravb_write(ndev, ((1000 << 20) / 130) & GTI_TIV, GTI);
+ error = ravb_set_gti(ndev);
+ if (error)
+ goto out_release;
/* Request GTI loading */
ravb_write(ndev, ravb_read(ndev, GCCR) | GCCR_LTI, GCCR);
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index e7bab79..7f3c610 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -449,6 +449,109 @@
sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR);
}
+static void sh_eth_chip_reset(struct net_device *ndev)
+{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
+
+ /* reset device */
+ sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR);
+ mdelay(1);
+}
+
+static void sh_eth_set_rate_gether(struct net_device *ndev)
+{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
+
+ switch (mdp->speed) {
+ case 10: /* 10BASE */
+ sh_eth_write(ndev, GECMR_10, GECMR);
+ break;
+ case 100:/* 100BASE */
+ sh_eth_write(ndev, GECMR_100, GECMR);
+ break;
+ case 1000: /* 1000BASE */
+ sh_eth_write(ndev, GECMR_1000, GECMR);
+ break;
+ default:
+ break;
+ }
+}
+
+#ifdef CONFIG_OF
+/* R7S72100 */
+static struct sh_eth_cpu_data r7s72100_data = {
+ .chip_reset = sh_eth_chip_reset,
+ .set_duplex = sh_eth_set_duplex,
+
+ .register_type = SH_ETH_REG_FAST_RZ,
+
+ .ecsr_value = ECSR_ICD,
+ .ecsipr_value = ECSIPR_ICDIP,
+ .eesipr_value = 0xff7f009f,
+
+ .tx_check = EESR_TC1 | EESR_FTC,
+ .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT |
+ EESR_RFE | EESR_RDE | EESR_RFRMER | EESR_TFE |
+ EESR_TDE | EESR_ECI,
+ .fdr_value = 0x0000070f,
+
+ .no_psr = 1,
+ .apr = 1,
+ .mpr = 1,
+ .tpauser = 1,
+ .hw_swap = 1,
+ .rpadir = 1,
+ .rpadir_value = 2 << 16,
+ .no_trimd = 1,
+ .no_ade = 1,
+ .hw_crc = 1,
+ .tsu = 1,
+ .shift_rd0 = 1,
+};
+
+static void sh_eth_chip_reset_r8a7740(struct net_device *ndev)
+{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
+
+ /* reset device */
+ sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR);
+ mdelay(1);
+
+ sh_eth_select_mii(ndev);
+}
+
+/* R8A7740 */
+static struct sh_eth_cpu_data r8a7740_data = {
+ .chip_reset = sh_eth_chip_reset_r8a7740,
+ .set_duplex = sh_eth_set_duplex,
+ .set_rate = sh_eth_set_rate_gether,
+
+ .register_type = SH_ETH_REG_GIGABIT,
+
+ .ecsr_value = ECSR_ICD | ECSR_MPD,
+ .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP,
+ .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff,
+
+ .tx_check = EESR_TC1 | EESR_FTC,
+ .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT |
+ EESR_RFE | EESR_RDE | EESR_RFRMER | EESR_TFE |
+ EESR_TDE | EESR_ECI,
+ .fdr_value = 0x0000070f,
+
+ .apr = 1,
+ .mpr = 1,
+ .tpauser = 1,
+ .bculr = 1,
+ .hw_swap = 1,
+ .rpadir = 1,
+ .rpadir_value = 2 << 16,
+ .no_trimd = 1,
+ .no_ade = 1,
+ .tsu = 1,
+ .select_mii = 1,
+ .shift_rd0 = 1,
+};
+
/* There is CPU dependent code */
static void sh_eth_set_rate_r8a777x(struct net_device *ndev)
{
@@ -514,6 +617,7 @@
.hw_swap = 1,
.rmiimode = 1,
};
+#endif /* CONFIG_OF */
static void sh_eth_set_rate_sh7724(struct net_device *ndev)
{
@@ -671,34 +775,6 @@
.tsu = 1,
};
-static void sh_eth_chip_reset(struct net_device *ndev)
-{
- struct sh_eth_private *mdp = netdev_priv(ndev);
-
- /* reset device */
- sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR);
- mdelay(1);
-}
-
-static void sh_eth_set_rate_gether(struct net_device *ndev)
-{
- struct sh_eth_private *mdp = netdev_priv(ndev);
-
- switch (mdp->speed) {
- case 10: /* 10BASE */
- sh_eth_write(ndev, GECMR_10, GECMR);
- break;
- case 100:/* 100BASE */
- sh_eth_write(ndev, GECMR_100, GECMR);
- break;
- case 1000: /* 1000BASE */
- sh_eth_write(ndev, GECMR_1000, GECMR);
- break;
- default:
- break;
- }
-}
-
/* SH7734 */
static struct sh_eth_cpu_data sh7734_data = {
.chip_reset = sh_eth_chip_reset,
@@ -756,80 +832,6 @@
.irq_flags = IRQF_SHARED,
};
-static void sh_eth_chip_reset_r8a7740(struct net_device *ndev)
-{
- struct sh_eth_private *mdp = netdev_priv(ndev);
-
- /* reset device */
- sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR);
- mdelay(1);
-
- sh_eth_select_mii(ndev);
-}
-
-/* R8A7740 */
-static struct sh_eth_cpu_data r8a7740_data = {
- .chip_reset = sh_eth_chip_reset_r8a7740,
- .set_duplex = sh_eth_set_duplex,
- .set_rate = sh_eth_set_rate_gether,
-
- .register_type = SH_ETH_REG_GIGABIT,
-
- .ecsr_value = ECSR_ICD | ECSR_MPD,
- .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP,
- .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff,
-
- .tx_check = EESR_TC1 | EESR_FTC,
- .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT |
- EESR_RFE | EESR_RDE | EESR_RFRMER | EESR_TFE |
- EESR_TDE | EESR_ECI,
- .fdr_value = 0x0000070f,
-
- .apr = 1,
- .mpr = 1,
- .tpauser = 1,
- .bculr = 1,
- .hw_swap = 1,
- .rpadir = 1,
- .rpadir_value = 2 << 16,
- .no_trimd = 1,
- .no_ade = 1,
- .tsu = 1,
- .select_mii = 1,
- .shift_rd0 = 1,
-};
-
-/* R7S72100 */
-static struct sh_eth_cpu_data r7s72100_data = {
- .chip_reset = sh_eth_chip_reset,
- .set_duplex = sh_eth_set_duplex,
-
- .register_type = SH_ETH_REG_FAST_RZ,
-
- .ecsr_value = ECSR_ICD,
- .ecsipr_value = ECSIPR_ICDIP,
- .eesipr_value = 0xff7f009f,
-
- .tx_check = EESR_TC1 | EESR_FTC,
- .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT |
- EESR_RFE | EESR_RDE | EESR_RFRMER | EESR_TFE |
- EESR_TDE | EESR_ECI,
- .fdr_value = 0x0000070f,
-
- .no_psr = 1,
- .apr = 1,
- .mpr = 1,
- .tpauser = 1,
- .hw_swap = 1,
- .rpadir = 1,
- .rpadir_value = 2 << 16,
- .no_trimd = 1,
- .no_ade = 1,
- .hw_crc = 1,
- .tsu = 1,
- .shift_rd0 = 1,
-};
-
static struct sh_eth_cpu_data sh7619_data = {
.register_type = SH_ETH_REG_FAST_SH3_SH2,
@@ -3277,13 +3279,6 @@
{ "sh7757-ether", (kernel_ulong_t)&sh7757_data },
{ "sh7757-gether", (kernel_ulong_t)&sh7757_data_giga },
{ "sh7763-gether", (kernel_ulong_t)&sh7763_data },
- { "r7s72100-ether", (kernel_ulong_t)&r7s72100_data },
- { "r8a7740-gether", (kernel_ulong_t)&r8a7740_data },
- { "r8a777x-ether", (kernel_ulong_t)&r8a777x_data },
- { "r8a7790-ether", (kernel_ulong_t)&r8a779x_data },
- { "r8a7791-ether", (kernel_ulong_t)&r8a779x_data },
- { "r8a7793-ether", (kernel_ulong_t)&r8a779x_data },
- { "r8a7794-ether", (kernel_ulong_t)&r8a779x_data },
{ }
};
MODULE_DEVICE_TABLE(platform, sh_eth_id_table);
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index e9f2349..a4ab71d 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -4998,7 +4998,7 @@
dev->netdev_ops = &rocker_port_netdev_ops;
dev->ethtool_ops = &rocker_port_ethtool_ops;
dev->switchdev_ops = &rocker_port_switchdev_ops;
- netif_napi_add(dev, &rocker_port->napi_tx, rocker_port_poll_tx,
+ netif_tx_napi_add(dev, &rocker_port->napi_tx, rocker_port_poll_tx,
NAPI_POLL_WEIGHT);
netif_napi_add(dev, &rocker_port->napi_rx, rocker_port_poll_rx,
NAPI_POLL_WEIGHT);
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index a3c42a3..4e82bcf 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -2059,7 +2059,6 @@
channel->napi_dev = efx->net_dev;
netif_napi_add(channel->napi_dev, &channel->napi_str,
efx_poll, napi_weight);
- napi_hash_add(&channel->napi_str);
efx_channel_busy_poll_init(channel);
}
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index 809ea461..8956995 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -463,7 +463,6 @@
skb_record_rx_queue(skb, channel->rx_queue.core_index);
- skb_mark_napi_id(skb, &channel->napi_str);
gro_result = napi_gro_frags(napi);
if (gro_result != GRO_DROP)
channel->irq_mod_score += 2;
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 48b92c9..15322c0 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -2469,7 +2469,7 @@
ndev->netdev_ops = &cpsw_netdev_ops;
ndev->ethtool_ops = &cpsw_ethtool_ops;
netif_napi_add(ndev, &priv->napi_rx, cpsw_rx_poll, CPSW_POLL_WEIGHT);
- netif_napi_add(ndev, &priv->napi_tx, cpsw_tx_poll, CPSW_POLL_WEIGHT);
+ netif_tx_napi_add(ndev, &priv->napi_tx, cpsw_tx_poll, CPSW_POLL_WEIGHT);
/* register the network device */
SET_NETDEV_DEV(ndev, &pdev->dev);
diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c
index 37b9b39..e5e20e7 100644
--- a/drivers/net/ethernet/ti/netcp_core.c
+++ b/drivers/net/ethernet/ti/netcp_core.c
@@ -1990,7 +1990,7 @@
/* NAPI register */
netif_napi_add(ndev, &netcp->rx_napi, netcp_rx_poll, NETCP_NAPI_WEIGHT);
- netif_napi_add(ndev, &netcp->tx_napi, netcp_tx_poll, NETCP_NAPI_WEIGHT);
+ netif_tx_napi_add(ndev, &netcp->tx_napi, netcp_tx_poll, NETCP_NAPI_WEIGHT);
/* Register the network device */
ndev->dev_id = 0;
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index 5e0b432..277e682 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -311,7 +311,7 @@
lock_sock(sk);
if (po->pppoe_dev == dev &&
- sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND | PPPOX_ZOMBIE)) {
+ sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) {
pppox_unbind_sock(sk);
sk->sk_state_change(sk);
po->pppoe_dev = NULL;
@@ -500,27 +500,9 @@
pn = pppoe_pernet(dev_net(dev));
po = get_item(pn, ph->sid, eth_hdr(skb)->h_source, dev->ifindex);
- if (po) {
- struct sock *sk = sk_pppox(po);
-
- bh_lock_sock(sk);
-
- /* If the user has locked the socket, just ignore
- * the packet. With the way two rcv protocols hook into
- * one socket family type, we cannot (easily) distinguish
- * what kind of SKB it is during backlog rcv.
- */
- if (sock_owned_by_user(sk) == 0) {
- /* We're no longer connect at the PPPOE layer,
- * and must wait for ppp channel to disconnect us.
- */
- sk->sk_state = PPPOX_ZOMBIE;
- }
-
- bh_unlock_sock(sk);
+ if (po)
if (!schedule_work(&po->proto.pppoe.padt_work))
- sock_put(sk);
- }
+ sock_put(sk_pppox(po));
abort:
kfree_skb(skb);
@@ -793,7 +775,7 @@
struct pppox_sock *relay_po;
err = -EBUSY;
- if (sk->sk_state & (PPPOX_BOUND | PPPOX_ZOMBIE | PPPOX_DEAD))
+ if (sk->sk_state & (PPPOX_BOUND | PPPOX_DEAD))
break;
err = -ENOTCONN;
diff --git a/drivers/net/ppp/pppox.c b/drivers/net/ppp/pppox.c
index 0e1b306..0200de7 100644
--- a/drivers/net/ppp/pppox.c
+++ b/drivers/net/ppp/pppox.c
@@ -58,7 +58,7 @@
{
/* Clear connection to ppp device, if attached. */
- if (sk->sk_state & (PPPOX_BOUND | PPPOX_CONNECTED | PPPOX_ZOMBIE)) {
+ if (sk->sk_state & (PPPOX_BOUND | PPPOX_CONNECTED)) {
ppp_unregister_channel(&pppox_sk(sk)->chan);
sk->sk_state = PPPOX_DEAD;
}
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index d8838ded..b1ae4cb 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -516,8 +516,6 @@
skb_shinfo(skb)->gso_segs = 0;
}
- skb_mark_napi_id(skb, &rq->napi);
-
napi_gro_receive(&rq->napi, skb);
return;
@@ -1612,7 +1610,6 @@
vi->rq[i].pages = NULL;
netif_napi_add(vi->dev, &vi->rq[i].napi, virtnet_poll,
napi_weight);
- napi_hash_add(&vi->rq[i].napi);
sg_init_table(vi->rq[i].sg, ARRAY_SIZE(vi->rq[i].sg));
ewma_pkt_len_init(&vi->rq[i].mrg_avg_pkt_len);
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 4f97484..d997aed 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -46,17 +46,7 @@
#define vrf_master_get_rcu(dev) \
((struct net_device *)rcu_dereference(dev->rx_handler_data))
-struct slave {
- struct list_head list;
- struct net_device *dev;
-};
-
-struct slave_queue {
- struct list_head all_slaves;
-};
-
struct net_vrf {
- struct slave_queue queue;
struct rtable *rth;
struct rt6_info *rt6;
u32 tb_id;
@@ -621,42 +611,9 @@
}
}
-static struct slave *__vrf_find_slave_dev(struct slave_queue *queue,
- struct net_device *dev)
-{
- struct list_head *head = &queue->all_slaves;
- struct slave *slave;
-
- list_for_each_entry(slave, head, list) {
- if (slave->dev == dev)
- return slave;
- }
-
- return NULL;
-}
-
-/* inverse of __vrf_insert_slave */
-static void __vrf_remove_slave(struct slave_queue *queue, struct slave *slave)
-{
- list_del(&slave->list);
-}
-
-static void __vrf_insert_slave(struct slave_queue *queue, struct slave *slave)
-{
- list_add(&slave->list, &queue->all_slaves);
-}
-
static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev)
{
- struct slave *slave = kzalloc(sizeof(*slave), GFP_KERNEL);
- struct net_vrf *vrf = netdev_priv(dev);
- struct slave_queue *queue = &vrf->queue;
- int ret = -ENOMEM;
-
- if (!slave)
- goto out_fail;
-
- slave->dev = port_dev;
+ int ret;
/* register the packet handler for slave ports */
ret = netdev_rx_handler_register(port_dev, vrf_handle_frame, dev);
@@ -672,7 +629,6 @@
goto out_unregister;
port_dev->priv_flags |= IFF_L3MDEV_SLAVE;
- __vrf_insert_slave(queue, slave);
cycle_netdev(port_dev);
return 0;
@@ -680,7 +636,6 @@
out_unregister:
netdev_rx_handler_unregister(port_dev);
out_fail:
- kfree(slave);
return ret;
}
@@ -695,10 +650,6 @@
/* inverse of do_vrf_add_slave */
static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev)
{
- struct net_vrf *vrf = netdev_priv(dev);
- struct slave_queue *queue = &vrf->queue;
- struct slave *slave;
-
netdev_upper_dev_unlink(port_dev, dev);
port_dev->priv_flags &= ~IFF_L3MDEV_SLAVE;
@@ -706,12 +657,6 @@
cycle_netdev(port_dev);
- slave = __vrf_find_slave_dev(queue, port_dev);
- if (slave)
- __vrf_remove_slave(queue, slave);
-
- kfree(slave);
-
return 0;
}
@@ -723,15 +668,14 @@
static void vrf_dev_uninit(struct net_device *dev)
{
struct net_vrf *vrf = netdev_priv(dev);
- struct slave_queue *queue = &vrf->queue;
- struct list_head *head = &queue->all_slaves;
- struct slave *slave, *next;
+ struct net_device *port_dev;
+ struct list_head *iter;
vrf_rtable_destroy(vrf);
vrf_rt6_destroy(vrf);
- list_for_each_entry_safe(slave, next, head, list)
- vrf_del_slave(dev, slave->dev);
+ netdev_for_each_lower_dev(dev, port_dev, iter)
+ vrf_del_slave(dev, port_dev);
free_percpu(dev->dstats);
dev->dstats = NULL;
@@ -741,8 +685,6 @@
{
struct net_vrf *vrf = netdev_priv(dev);
- INIT_LIST_HEAD(&vrf->queue.all_slaves);
-
dev->dstats = netdev_alloc_pcpu_stats(struct pcpu_dstats);
if (!dev->dstats)
goto out_nomem;
diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c
index e3b3c8f..56aaa2d 100644
--- a/drivers/net/wireless/ath/wil6210/netdev.c
+++ b/drivers/net/wireless/ath/wil6210/netdev.c
@@ -183,7 +183,7 @@
netif_napi_add(ndev, &wil->napi_rx, wil6210_netdev_poll_rx,
WIL6210_NAPI_BUDGET);
- netif_napi_add(ndev, &wil->napi_tx, wil6210_netdev_poll_tx,
+ netif_tx_napi_add(ndev, &wil->napi_tx, wil6210_netdev_poll_tx,
WIL6210_NAPI_BUDGET);
netif_tx_stop_all_queues(ndev);
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index c00a7daaa..c32889a 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -495,6 +495,9 @@
const struct ieee80211_regdomain *regd;
struct ieee80211_channel *tmp_chan;
+ struct ieee80211_channel *roc_chan;
+ u32 roc_duration;
+ struct delayed_work roc_start;
struct delayed_work roc_done;
struct delayed_work hw_scan;
struct cfg80211_scan_request *hw_scan_request;
@@ -514,6 +517,7 @@
bool ps_poll_pending;
struct dentry *debugfs;
+ uintptr_t pending_cookie;
struct sk_buff_head pending; /* packets pending */
/*
* Only radios in the same group can communicate together (the
@@ -810,6 +814,9 @@
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_skb);
struct ieee80211_rate *txrate = ieee80211_get_tx_rate(hw, info);
+ if (WARN_ON(!txrate))
+ return;
+
if (!netif_running(hwsim_mon))
return;
@@ -960,6 +967,7 @@
unsigned int hwsim_flags = 0;
int i;
struct hwsim_tx_rate tx_attempts[IEEE80211_TX_MAX_RATES];
+ uintptr_t cookie;
if (data->ps != PS_DISABLED)
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
@@ -1018,7 +1026,10 @@
goto nla_put_failure;
/* We create a cookie to identify this skb */
- if (nla_put_u64(skb, HWSIM_ATTR_COOKIE, (unsigned long) my_skb))
+ data->pending_cookie++;
+ cookie = data->pending_cookie;
+ info->rate_driver_data[0] = (void *)cookie;
+ if (nla_put_u64(skb, HWSIM_ATTR_COOKIE, cookie))
goto nla_put_failure;
genlmsg_end(skb, msg_head);
@@ -1247,6 +1258,7 @@
{
struct mac80211_hwsim_data *data = hw->priv;
struct ieee80211_tx_info *txi = IEEE80211_SKB_CB(skb);
+ struct ieee80211_hdr *hdr = (void *)skb->data;
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_channel *channel;
bool ack;
@@ -1292,6 +1304,22 @@
ARRAY_SIZE(txi->control.rates));
txi->rate_driver_data[0] = channel;
+
+ if (skb->len >= 24 + 8 &&
+ ieee80211_is_probe_resp(hdr->frame_control)) {
+ /* fake header transmission time */
+ struct ieee80211_mgmt *mgmt;
+ struct ieee80211_rate *txrate;
+ u64 ts;
+
+ mgmt = (struct ieee80211_mgmt *)skb->data;
+ txrate = ieee80211_get_tx_rate(hw, txi);
+ ts = mac80211_hwsim_get_tsf_raw();
+ mgmt->u.probe_resp.timestamp =
+ cpu_to_le64(ts + data->tsf_offset +
+ 24 * 8 * 10 / txrate->bitrate);
+ }
+
mac80211_hwsim_monitor_rx(hw, skb, channel);
/* wmediumd mode check */
@@ -1871,7 +1899,8 @@
req->channels[hwsim->scan_chan_idx]->center_freq);
hwsim->tmp_chan = req->channels[hwsim->scan_chan_idx];
- if (hwsim->tmp_chan->flags & IEEE80211_CHAN_NO_IR ||
+ if (hwsim->tmp_chan->flags & (IEEE80211_CHAN_NO_IR |
+ IEEE80211_CHAN_RADAR) ||
!req->n_ssids) {
dwell = 120;
} else {
@@ -1987,6 +2016,23 @@
mutex_unlock(&hwsim->mutex);
}
+static void hw_roc_start(struct work_struct *work)
+{
+ struct mac80211_hwsim_data *hwsim =
+ container_of(work, struct mac80211_hwsim_data, roc_start.work);
+
+ mutex_lock(&hwsim->mutex);
+
+ wiphy_debug(hwsim->hw->wiphy, "hwsim ROC begins\n");
+ hwsim->tmp_chan = hwsim->roc_chan;
+ ieee80211_ready_on_channel(hwsim->hw);
+
+ ieee80211_queue_delayed_work(hwsim->hw, &hwsim->roc_done,
+ msecs_to_jiffies(hwsim->roc_duration));
+
+ mutex_unlock(&hwsim->mutex);
+}
+
static void hw_roc_done(struct work_struct *work)
{
struct mac80211_hwsim_data *hwsim =
@@ -2014,16 +2060,14 @@
return -EBUSY;
}
- hwsim->tmp_chan = chan;
+ hwsim->roc_chan = chan;
+ hwsim->roc_duration = duration;
mutex_unlock(&hwsim->mutex);
wiphy_debug(hw->wiphy, "hwsim ROC (%d MHz, %d ms)\n",
chan->center_freq, duration);
+ ieee80211_queue_delayed_work(hw, &hwsim->roc_start, HZ/50);
- ieee80211_ready_on_channel(hw);
-
- ieee80211_queue_delayed_work(hw, &hwsim->roc_done,
- msecs_to_jiffies(duration));
return 0;
}
@@ -2031,6 +2075,7 @@
{
struct mac80211_hwsim_data *hwsim = hw->priv;
+ cancel_delayed_work_sync(&hwsim->roc_start);
cancel_delayed_work_sync(&hwsim->roc_done);
mutex_lock(&hwsim->mutex);
@@ -2375,6 +2420,7 @@
hw->wiphy->n_iface_combinations = ARRAY_SIZE(hwsim_if_comb);
}
+ INIT_DELAYED_WORK(&data->roc_start, hw_roc_start);
INIT_DELAYED_WORK(&data->roc_done, hw_roc_done);
INIT_DELAYED_WORK(&data->hw_scan, hw_scan_work);
@@ -2411,6 +2457,7 @@
NL80211_FEATURE_STATIC_SMPS |
NL80211_FEATURE_DYNAMIC_SMPS |
NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
+ wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
/* ask mac80211 to reserve space for magic */
hw->vif_data_size = sizeof(struct hwsim_vif_priv);
@@ -2710,7 +2757,7 @@
struct mac80211_hwsim_data *data2;
struct ieee80211_tx_info *txi;
struct hwsim_tx_rate *tx_attempts;
- unsigned long ret_skb_ptr;
+ u64 ret_skb_cookie;
struct sk_buff *skb, *tmp;
const u8 *src;
unsigned int hwsim_flags;
@@ -2728,7 +2775,7 @@
src = (void *)nla_data(info->attrs[HWSIM_ATTR_ADDR_TRANSMITTER]);
hwsim_flags = nla_get_u32(info->attrs[HWSIM_ATTR_FLAGS]);
- ret_skb_ptr = nla_get_u64(info->attrs[HWSIM_ATTR_COOKIE]);
+ ret_skb_cookie = nla_get_u64(info->attrs[HWSIM_ATTR_COOKIE]);
data2 = get_hwsim_data_ref_from_addr(src);
if (!data2)
@@ -2736,7 +2783,12 @@
/* look for the skb matching the cookie passed back from user */
skb_queue_walk_safe(&data2->pending, skb, tmp) {
- if ((unsigned long)skb == ret_skb_ptr) {
+ u64 skb_cookie;
+
+ txi = IEEE80211_SKB_CB(skb);
+ skb_cookie = (u64)(uintptr_t)txi->rate_driver_data[0];
+
+ if (skb_cookie == ret_skb_cookie) {
skb_unlink(skb, &data2->pending);
found = true;
break;
@@ -2827,10 +2879,25 @@
/* A frame is received from user space */
memset(&rx_status, 0, sizeof(rx_status));
- /* TODO: Check ATTR_FREQ if it exists, and maybe throw away off-channel
- * packets?
- */
- rx_status.freq = data2->channel->center_freq;
+ if (info->attrs[HWSIM_ATTR_FREQ]) {
+ /* throw away off-channel packets, but allow both the temporary
+ * ("hw" scan/remain-on-channel) and regular channel, since the
+ * internal datapath also allows this
+ */
+ mutex_lock(&data2->mutex);
+ rx_status.freq = nla_get_u32(info->attrs[HWSIM_ATTR_FREQ]);
+
+ if (rx_status.freq != data2->channel->center_freq &&
+ (!data2->tmp_chan ||
+ rx_status.freq != data2->tmp_chan->center_freq)) {
+ mutex_unlock(&data2->mutex);
+ goto out;
+ }
+ mutex_unlock(&data2->mutex);
+ } else {
+ rx_status.freq = data2->channel->center_freq;
+ }
+
rx_status.band = data2->channel->band;
rx_status.rate_idx = nla_get_u32(info->attrs[HWSIM_ATTR_RX_RATE]);
rx_status.signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]);
diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h
index 519b6e2..661e5c2 100644
--- a/include/linux/hashtable.h
+++ b/include/linux/hashtable.h
@@ -16,6 +16,10 @@
struct hlist_head name[1 << (bits)] = \
{ [0 ... ((1 << (bits)) - 1)] = HLIST_HEAD_INIT }
+#define DEFINE_READ_MOSTLY_HASHTABLE(name, bits) \
+ struct hlist_head name[1 << (bits)] __read_mostly = \
+ { [0 ... ((1 << (bits)) - 1)] = HLIST_HEAD_INIT }
+
#define DECLARE_HASHTABLE(name, bits) \
struct hlist_head name[1 << (bits)]
diff --git a/include/linux/if_pppox.h b/include/linux/if_pppox.h
index b49cf92..ba7a9b0 100644
--- a/include/linux/if_pppox.h
+++ b/include/linux/if_pppox.h
@@ -91,7 +91,6 @@
PPPOX_CONNECTED = 1, /* connection established ==TCP_ESTABLISHED */
PPPOX_BOUND = 2, /* bound to ppp device */
PPPOX_RELAY = 4, /* forwarding is enabled */
- PPPOX_ZOMBIE = 8, /* dead, but still bound to ppp device */
PPPOX_DEAD = 16 /* dead, useless, please clean me up!*/
};
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3b5d134..3093a72 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -326,7 +326,8 @@
NAPI_STATE_SCHED, /* Poll is scheduled */
NAPI_STATE_DISABLE, /* Disable pending */
NAPI_STATE_NPSVC, /* Netpoll - don't dequeue from poll_list */
- NAPI_STATE_HASHED, /* In NAPI hash */
+ NAPI_STATE_HASHED, /* In NAPI hash (busy polling possible) */
+ NAPI_STATE_NO_BUSY_POLL,/* Do not add in napi_hash, no busy polling */
};
enum gro_result {
@@ -461,19 +462,13 @@
}
/**
- * napi_by_id - lookup a NAPI by napi_id
- * @napi_id: hashed napi_id
- *
- * lookup @napi_id in napi_hash table
- * must be called under rcu_read_lock()
- */
-struct napi_struct *napi_by_id(unsigned int napi_id);
-
-/**
* napi_hash_add - add a NAPI to global hashtable
* @napi: napi context
*
* generate a new napi_id and store a @napi under it in napi_hash
+ * Used for busy polling (CONFIG_NET_RX_BUSY_POLL)
+ * Note: This is normally automatically done from netif_napi_add(),
+ * so might disappear in a future linux version.
*/
void napi_hash_add(struct napi_struct *napi);
@@ -482,9 +477,14 @@
* @napi: napi context
*
* Warning: caller must observe rcu grace period
- * before freeing memory containing @napi
+ * before freeing memory containing @napi, if
+ * this function returns true.
+ * Note: core networking stack automatically calls it
+ * from netif_napi_del()
+ * Drivers might want to call this helper to combine all
+ * the needed rcu grace periods into a single one.
*/
-void napi_hash_del(struct napi_struct *napi);
+bool napi_hash_del(struct napi_struct *napi);
/**
* napi_disable - prevent NAPI from scheduling
@@ -1949,6 +1949,26 @@
int (*poll)(struct napi_struct *, int), int weight);
/**
+ * netif_tx_napi_add - initialize a napi context
+ * @dev: network device
+ * @napi: napi context
+ * @poll: polling function
+ * @weight: default weight
+ *
+ * This variant of netif_napi_add() should be used from drivers using NAPI
+ * to exclusively poll a TX queue.
+ * This will avoid we add it into napi_hash[], thus polluting this hash table.
+ */
+static inline void netif_tx_napi_add(struct net_device *dev,
+ struct napi_struct *napi,
+ int (*poll)(struct napi_struct *, int),
+ int weight)
+{
+ set_bit(NAPI_STATE_NO_BUSY_POLL, &napi->state);
+ netif_napi_add(dev, napi, poll, weight);
+}
+
+/**
* netif_napi_del - remove a napi context
* @napi: napi context
*
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 4355129..c9c394b 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1082,9 +1082,6 @@
static inline void skb_sender_cpu_clear(struct sk_buff *skb)
{
-#ifdef CONFIG_XPS
- skb->sender_cpu = 0;
-#endif
}
#ifdef NET_SKBUFF_DATA_USES_OFFSET
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 42844d7..bfd1590 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -29,6 +29,8 @@
#include <net/sock.h>
#include <linux/seq_file.h>
+#define BT_SUBSYS_VERSION "2.21"
+
#ifndef AF_BLUETOOTH
#define AF_BLUETOOTH 31
#define PF_BLUETOOTH AF_BLUETOOTH
@@ -296,12 +298,17 @@
typedef void (*hci_req_complete_skb_t)(struct hci_dev *hdev, u8 status,
u16 opcode, struct sk_buff *skb);
+#define HCI_REQ_START BIT(0)
+#define HCI_REQ_SKB BIT(1)
+
struct hci_ctrl {
__u16 opcode;
- bool req_start;
+ u8 req_flags;
u8 req_event;
- hci_req_complete_t req_complete;
- hci_req_complete_skb_t req_complete_skb;
+ union {
+ hci_req_complete_t req_complete;
+ hci_req_complete_skb_t req_complete_skb;
+ };
};
struct bt_skb_cb {
@@ -316,15 +323,17 @@
};
#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
+#define hci_skb_pkt_type(skb) bt_cb((skb))->pkt_type
+#define hci_skb_expect(skb) bt_cb((skb))->expect
+#define hci_skb_opcode(skb) bt_cb((skb))->hci.opcode
+
static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
{
struct sk_buff *skb;
skb = alloc_skb(len + BT_SKB_RESERVE, how);
- if (skb) {
+ if (skb)
skb_reserve(skb, BT_SKB_RESERVE);
- bt_cb(skb)->incoming = 0;
- }
return skb;
}
@@ -334,10 +343,8 @@
struct sk_buff *skb;
skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err);
- if (skb) {
+ if (skb)
skb_reserve(skb, BT_SKB_RESERVE);
- bt_cb(skb)->incoming = 0;
- }
if (!skb && *err)
return NULL;
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 0205b80..cc22167 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -452,7 +452,8 @@
#define HCI_ERROR_REMOTE_POWER_OFF 0x15
#define HCI_ERROR_LOCAL_HOST_TERM 0x16
#define HCI_ERROR_PAIRING_NOT_ALLOWED 0x18
-#define HCI_ERROR_INVALID_LL_PARAMS 0x1E
+#define HCI_ERROR_INVALID_LL_PARAMS 0x1e
+#define HCI_ERROR_UNSPECIFIED 0x1f
#define HCI_ERROR_ADVERTISING_TIMEOUT 0x3c
/* Flow control modes */
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 1878d0a..55ce209 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -327,6 +327,11 @@
struct work_struct cmd_work;
struct work_struct tx_work;
+ struct work_struct discov_update;
+ struct work_struct bg_scan_update;
+ struct delayed_work le_scan_disable;
+ struct delayed_work le_scan_restart;
+
struct sk_buff_head rx_q;
struct sk_buff_head raw_q;
struct sk_buff_head cmd_q;
@@ -370,9 +375,6 @@
DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
- struct delayed_work le_scan_disable;
- struct delayed_work le_scan_restart;
-
__s8 adv_tx_power;
__u8 adv_data[HCI_MAX_AD_LENGTH];
__u8 adv_data_len;
@@ -875,7 +877,7 @@
struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
u8 dst_type, u8 sec_level,
- u16 conn_timeout, u8 role);
+ u16 conn_timeout);
struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
u8 dst_type, u8 sec_level, u16 conn_timeout,
u8 role);
@@ -1036,7 +1038,6 @@
struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
bdaddr_t *addr, u8 addr_type);
void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
-void hci_conn_params_clear_all(struct hci_dev *hdev);
void hci_conn_params_clear_disabled(struct hci_dev *hdev);
struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
@@ -1473,6 +1474,8 @@
void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
u8 status);
void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
+void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status);
+void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status);
void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len);
diff --git a/include/net/bluetooth/hci_mon.h b/include/net/bluetooth/hci_mon.h
index 2b67567..587d013 100644
--- a/include/net/bluetooth/hci_mon.h
+++ b/include/net/bluetooth/hci_mon.h
@@ -43,6 +43,8 @@
#define HCI_MON_CLOSE_INDEX 9
#define HCI_MON_INDEX_INFO 10
#define HCI_MON_VENDOR_DIAG 11
+#define HCI_MON_SYSTEM_NOTE 12
+#define HCI_MON_USER_LOGGING 13
struct hci_mon_new_index {
__u8 type;
diff --git a/include/net/bluetooth/hci_sock.h b/include/net/bluetooth/hci_sock.h
index 9a46d66..8e9138a 100644
--- a/include/net/bluetooth/hci_sock.h
+++ b/include/net/bluetooth/hci_sock.h
@@ -45,6 +45,7 @@
#define HCI_CHANNEL_USER 1
#define HCI_CHANNEL_MONITOR 2
#define HCI_CHANNEL_CONTROL 3
+#define HCI_CHANNEL_LOGGING 4
struct hci_filter {
unsigned long type_mask;
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index b831242..af17774 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -571,6 +571,19 @@
__u8 instance;
} __packed;
+#define MGMT_OP_GET_ADV_SIZE_INFO 0x0040
+struct mgmt_cp_get_adv_size_info {
+ __u8 instance;
+ __le32 flags;
+} __packed;
+#define MGMT_GET_ADV_SIZE_INFO_SIZE 5
+struct mgmt_rp_get_adv_size_info {
+ __u8 instance;
+ __le32 flags;
+ __u8 max_adv_data_len;
+ __u8 max_scan_rsp_len;
+} __packed;
+
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 1d67fb6..2fbeb13 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -72,50 +72,7 @@
return time_after(now, end_time);
}
-/* when used in sock_poll() nonblock is known at compile time to be true
- * so the loop and end_time will be optimized out
- */
-static inline bool sk_busy_loop(struct sock *sk, int nonblock)
-{
- unsigned long end_time = !nonblock ? sk_busy_loop_end_time(sk) : 0;
- const struct net_device_ops *ops;
- struct napi_struct *napi;
- int rc = false;
-
- /*
- * rcu read lock for napi hash
- * bh so we don't race with net_rx_action
- */
- rcu_read_lock_bh();
-
- napi = napi_by_id(sk->sk_napi_id);
- if (!napi)
- goto out;
-
- ops = napi->dev->netdev_ops;
- if (!ops->ndo_busy_poll)
- goto out;
-
- do {
- rc = ops->ndo_busy_poll(napi);
-
- if (rc == LL_FLUSH_FAILED)
- break; /* permanent failure */
-
- if (rc > 0)
- /* local bh are disabled so it is ok to use _BH */
- NET_ADD_STATS_BH(sock_net(sk),
- LINUX_MIB_BUSYPOLLRXPACKETS, rc);
- cpu_relax();
-
- } while (!nonblock && skb_queue_empty(&sk->sk_receive_queue) &&
- !need_resched() && !busy_loop_timeout(end_time));
-
- rc = !skb_queue_empty(&sk->sk_receive_queue);
-out:
- rcu_read_unlock_bh();
- return rc;
-}
+bool sk_busy_loop(struct sock *sk, int nonblock);
/* used in the NIC receive handler to mark the skb */
static inline void skb_mark_napi_id(struct sk_buff *skb,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 2c7bdb8..9bcaaf7 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2321,6 +2321,8 @@
* the driver, and will be valid until passed to cfg80211_scan_done().
* For scan results, call cfg80211_inform_bss(); you can call this outside
* the scan/scan_done bracket too.
+ * @abort_scan: Tell the driver to abort an ongoing scan. The driver shall
+ * indicate the status of the scan through cfg80211_scan_done().
*
* @auth: Request to authenticate with the specified peer
* (invoked with the wireless_dev mutex held)
@@ -2593,6 +2595,7 @@
int (*scan)(struct wiphy *wiphy,
struct cfg80211_scan_request *request);
+ void (*abort_scan)(struct wiphy *wiphy, struct wireless_dev *wdev);
int (*auth)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_auth_request *req);
@@ -5173,8 +5176,11 @@
* buffer starts, which may be @ielen if the entire (remainder)
* of the buffer should be used.
*/
-size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
- const u8 *ids, int n_ids, size_t offset);
+static inline size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
+ const u8 *ids, int n_ids, size_t offset)
+{
+ return ieee80211_ie_split_ric(ies, ielen, ids, n_ids, NULL, 0, offset);
+}
/**
* cfg80211_report_wowlan_wakeup - report wakeup from WoWLAN
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 82a4c60..3f23dd9 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -16,6 +16,7 @@
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/of.h>
+#include <linux/of_gpio.h>
#include <linux/phy.h>
#include <linux/phy_fixed.h>
#include <linux/ethtool.h>
@@ -64,6 +65,13 @@
* NULL if there is only one switch chip.
*/
s8 *rtable;
+
+ /*
+ * A switch may have a GPIO line tied to its reset pin. Parse
+ * this from the device tree, and use it before performing
+ * switch soft reset.
+ */
+ struct gpio_desc *reset;
};
struct dsa_platform_data {
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 760bc4d..7c30faf 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1321,11 +1321,15 @@
* interface. This flag should be set during interface addition,
* but may be set/cleared as late as authentication to an AP. It is
* only valid for managed/station mode interfaces.
+ * @IEEE80211_VIF_GET_NOA_UPDATE: request to handle NOA attributes
+ * and send P2P_PS notification to the driver if NOA changed, even
+ * this is not pure P2P vif.
*/
enum ieee80211_vif_flags {
IEEE80211_VIF_BEACON_FILTER = BIT(0),
IEEE80211_VIF_SUPPORTS_CQM_RSSI = BIT(1),
IEEE80211_VIF_SUPPORTS_UAPSD = BIT(2),
+ IEEE80211_VIF_GET_NOA_UPDATE = BIT(3),
};
/**
@@ -1901,6 +1905,11 @@
* @IEEE80211_HW_BEACON_TX_STATUS: The device/driver provides TX status
* for sent beacons.
*
+ * @IEEE80211_HW_NEEDS_UNIQUE_STA_ADDR: Hardware (or driver) requires that each
+ * station has a unique address, i.e. each station entry can be identified
+ * by just its MAC address; this prevents, for example, the same station
+ * from connecting to two virtual AP interfaces at the same time.
+ *
* @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays
*/
enum ieee80211_hw_flags {
@@ -1936,6 +1945,7 @@
IEEE80211_HW_TDLS_WIDER_BW,
IEEE80211_HW_SUPPORTS_AMSDU_IN_AMPDU,
IEEE80211_HW_BEACON_TX_STATUS,
+ IEEE80211_HW_NEEDS_UNIQUE_STA_ADDR,
/* keep last, obviously */
NUM_IEEE80211_HW_FLAGS
@@ -4863,6 +4873,28 @@
void ieee80211_sta_eosp(struct ieee80211_sta *pubsta);
/**
+ * ieee80211_send_eosp_nullfunc - ask mac80211 to send NDP with EOSP
+ * @pubsta: the station
+ * @tid: the tid of the NDP
+ *
+ * Sometimes the device understands that it needs to close
+ * the Service Period unexpectedly. This can happen when
+ * sending frames that are filling holes in the BA window.
+ * In this case, the device can ask mac80211 to send a
+ * Nullfunc frame with EOSP set. When that happens, the
+ * driver must have called ieee80211_sta_set_buffered() to
+ * let mac80211 know that there are no buffered frames any
+ * more, otherwise mac80211 will get the more_data bit wrong.
+ * The low level driver must have made sure that the frame
+ * will be sent despite the station being in power-save.
+ * Mac80211 won't call allow_buffered_frames().
+ * Note that calling this function, doesn't exempt the driver
+ * from closing the EOSP properly, it will still have to call
+ * ieee80211_sta_eosp when the NDP is sent.
+ */
+void ieee80211_send_eosp_nullfunc(struct ieee80211_sta *pubsta, int tid);
+
+/**
* ieee80211_iter_keys - iterate keys programmed into the device
* @hw: pointer obtained from ieee80211_alloc_hw()
* @vif: virtual interface to iterate, may be %NULL for all
@@ -4890,6 +4922,30 @@
void *iter_data);
/**
+ * ieee80211_iter_keys_rcu - iterate keys programmed into the device
+ * @hw: pointer obtained from ieee80211_alloc_hw()
+ * @vif: virtual interface to iterate, may be %NULL for all
+ * @iter: iterator function that will be called for each key
+ * @iter_data: custom data to pass to the iterator function
+ *
+ * This function can be used to iterate all the keys known to
+ * mac80211, even those that weren't previously programmed into
+ * the device. Note that due to locking reasons, keys of station
+ * in removal process will be skipped.
+ *
+ * This function requires being called in an RCU critical section,
+ * and thus iter must be atomic.
+ */
+void ieee80211_iter_keys_rcu(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ void (*iter)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key,
+ void *data),
+ void *iter_data);
+
+/**
* ieee80211_iter_chan_contexts_atomic - iterate channel contexts
* @hw: pointre obtained from ieee80211_alloc_hw().
* @iter: iterator function
diff --git a/include/trace/events/fib6.h b/include/trace/events/fib6.h
new file mode 100644
index 0000000..4cf6bac
--- /dev/null
+++ b/include/trace/events/fib6.h
@@ -0,0 +1,76 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM fib6
+
+#if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_FIB6_H
+
+#include <linux/in6.h>
+#include <net/flow.h>
+#include <net/ip6_fib.h>
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(fib6_table_lookup,
+
+ TP_PROTO(const struct net *net, const struct rt6_info *rt,
+ u32 tb_id, const struct flowi6 *flp),
+
+ TP_ARGS(net, rt, tb_id, flp),
+
+ TP_STRUCT__entry(
+ __field( u32, tb_id )
+
+ __field( int, oif )
+ __field( int, iif )
+ __field( __u8, tos )
+ __field( __u8, scope )
+ __field( __u8, flags )
+ __array( __u8, src, 16 )
+ __array( __u8, dst, 16 )
+
+ __dynamic_array( char, name, IFNAMSIZ )
+ __array( __u8, gw, 16 )
+ ),
+
+ TP_fast_assign(
+ struct in6_addr *in6;
+
+ __entry->tb_id = tb_id;
+ __entry->oif = flp->flowi6_oif;
+ __entry->iif = flp->flowi6_iif;
+ __entry->tos = flp->flowi6_tos;
+ __entry->scope = flp->flowi6_scope;
+ __entry->flags = flp->flowi6_flags;
+
+ in6 = (struct in6_addr *)__entry->src;
+ *in6 = flp->saddr;
+
+ in6 = (struct in6_addr *)__entry->dst;
+ *in6 = flp->daddr;
+
+ if (rt->rt6i_idev) {
+ __assign_str(name, rt->rt6i_idev->dev->name);
+ } else {
+ __assign_str(name, "");
+ }
+ if (rt == net->ipv6.ip6_null_entry) {
+ struct in6_addr in6_zero = {};
+
+ in6 = (struct in6_addr *)__entry->gw;
+ *in6 = in6_zero;
+
+ } else if (rt) {
+ in6 = (struct in6_addr *)__entry->gw;
+ *in6 = rt->rt6i_gateway;
+ }
+ ),
+
+ TP_printk("table %3u oif %d iif %d src %pI6c dst %pI6c tos %d scope %d flags %x ==> dev %s gw %pI6c",
+ __entry->tb_id, __entry->oif, __entry->iif,
+ __entry->src, __entry->dst, __entry->tos, __entry->scope,
+ __entry->flags, __get_str(name), __entry->gw)
+);
+
+#endif /* _TRACE_FIB6_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/uapi/linux/mroute.h b/include/uapi/linux/mroute.h
index a382d2c..cf94301 100644
--- a/include/uapi/linux/mroute.h
+++ b/include/uapi/linux/mroute.h
@@ -4,15 +4,13 @@
#include <linux/sockios.h>
#include <linux/types.h>
-/*
- * Based on the MROUTING 3.5 defines primarily to keep
- * source compatibility with BSD.
+/* Based on the MROUTING 3.5 defines primarily to keep
+ * source compatibility with BSD.
*
- * See the mrouted code for the original history.
+ * See the mrouted code for the original history.
*
- * Protocol Independent Multicast (PIM) data structures included
- * Carlos Picoto (cap@di.fc.ul.pt)
- *
+ * Protocol Independent Multicast (PIM) data structures included
+ * Carlos Picoto (cap@di.fc.ul.pt)
*/
#define MRT_BASE 200
@@ -34,15 +32,13 @@
#define SIOCGETSGCNT (SIOCPROTOPRIVATE+1)
#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
-#define MAXVIFS 32
+#define MAXVIFS 32
typedef unsigned long vifbitmap_t; /* User mode code depends on this lot */
typedef unsigned short vifi_t;
#define ALL_VIFS ((vifi_t)(-1))
-/*
- * Same idea as select
- */
-
+/* Same idea as select */
+
#define VIFM_SET(n,m) ((m)|=(1<<(n)))
#define VIFM_CLR(n,m) ((m)&=~(1<<(n)))
#define VIFM_ISSET(n,m) ((m)&(1<<(n)))
@@ -50,11 +46,9 @@
#define VIFM_COPY(mfrom,mto) ((mto)=(mfrom))
#define VIFM_SAME(m1,m2) ((m1)==(m2))
-/*
- * Passed by mrouted for an MRT_ADD_VIF - again we use the
- * mrouted 3.6 structures for compatibility
+/* Passed by mrouted for an MRT_ADD_VIF - again we use the
+ * mrouted 3.6 structures for compatibility
*/
-
struct vifctl {
vifi_t vifc_vifi; /* Index of VIF */
unsigned char vifc_flags; /* VIFF_ flags */
@@ -73,10 +67,7 @@
#define VIFF_USE_IFINDEX 0x8 /* use vifc_lcl_ifindex instead of
vifc_lcl_addr to find an interface */
-/*
- * Cache manipulation structures for mrouted and PIMd
- */
-
+/* Cache manipulation structures for mrouted and PIMd */
struct mfcctl {
struct in_addr mfcc_origin; /* Origin of mcast */
struct in_addr mfcc_mcastgrp; /* Group in question */
@@ -88,10 +79,7 @@
int mfcc_expire;
};
-/*
- * Group count retrieval for mrouted
- */
-
+/* Group count retrieval for mrouted */
struct sioc_sg_req {
struct in_addr src;
struct in_addr grp;
@@ -100,10 +88,7 @@
unsigned long wrong_if;
};
-/*
- * To get vif packet counts
- */
-
+/* To get vif packet counts */
struct sioc_vif_req {
vifi_t vifi; /* Which iface */
unsigned long icount; /* In packets */
@@ -112,11 +97,9 @@
unsigned long obytes; /* Out bytes */
};
-/*
- * This is the format the mroute daemon expects to see IGMP control
- * data. Magically happens to be like an IP packet as per the original
+/* This is the format the mroute daemon expects to see IGMP control
+ * data. Magically happens to be like an IP packet as per the original
*/
-
struct igmpmsg {
__u32 unused1,unused2;
unsigned char im_msgtype; /* What is this */
@@ -126,21 +109,13 @@
struct in_addr im_src,im_dst;
};
-/*
- * That's all usermode folks
- */
-
-
+/* That's all usermode folks */
#define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */
-/*
- * Pseudo messages used by mrouted
- */
-
+/* Pseudo messages used by mrouted */
#define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */
#define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */
#define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */
-
#endif /* _UAPI__LINUX_MROUTE_H */
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 1f0b4cf..5b7b5eb 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -820,6 +820,10 @@
* as an event to indicate changes for devices with wiphy-specific regdom
* management.
*
+ * @NL80211_CMD_ABORT_SCAN: Stop an ongoing scan. Returns -ENOENT if a scan is
+ * not running. The driver indicates the status of the scan through
+ * cfg80211_scan_done().
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -1006,6 +1010,8 @@
NL80211_CMD_WIPHY_REG_CHANGE,
+ NL80211_CMD_ABORT_SCAN,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -1764,8 +1770,9 @@
* over all channels.
*
* @NL80211_ATTR_SCHED_SCAN_DELAY: delay before the first cycle of a
- * scheduled scan (or a WoWLAN net-detect scan) is started, u32
- * in seconds.
+ * scheduled scan is started. Or the delay before a WoWLAN
+ * net-detect scan is started, counting from the moment the
+ * system is suspended. This value is a u32, in seconds.
* @NL80211_ATTR_REG_INDOOR: flag attribute, if set indicates that the device
* is operating in an indoor environment.
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 3b39550..7b4f0aa 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -101,6 +101,23 @@
}
}
+#ifdef CONFIG_PROC_FS
+static void bpf_map_show_fdinfo(struct seq_file *m, struct file *filp)
+{
+ const struct bpf_map *map = filp->private_data;
+
+ seq_printf(m,
+ "map_type:\t%u\n"
+ "key_size:\t%u\n"
+ "value_size:\t%u\n"
+ "max_entries:\t%u\n",
+ map->map_type,
+ map->key_size,
+ map->value_size,
+ map->max_entries);
+}
+#endif
+
void bpf_map_put_with_uref(struct bpf_map *map)
{
bpf_map_put_uref(map);
@@ -114,7 +131,10 @@
}
static const struct file_operations bpf_map_fops = {
- .release = bpf_map_release,
+#ifdef CONFIG_PROC_FS
+ .show_fdinfo = bpf_map_show_fdinfo,
+#endif
+ .release = bpf_map_release,
};
int bpf_map_new_fd(struct bpf_map *map)
diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c
index 8c1ad1c..270bf72 100644
--- a/lib/test_rhashtable.c
+++ b/lib/test_rhashtable.c
@@ -36,9 +36,9 @@
module_param(runs, int, 0);
MODULE_PARM_DESC(runs, "Number of test runs per variant (default: 4)");
-static int max_size = 65536;
+static int max_size = 0;
module_param(max_size, int, 0);
-MODULE_PARM_DESC(runs, "Maximum table size (default: 65536)");
+MODULE_PARM_DESC(runs, "Maximum table size (default: calculated)");
static bool shrinking = false;
module_param(shrinking, bool, 0);
@@ -52,6 +52,10 @@
module_param(tcount, int, 0);
MODULE_PARM_DESC(tcount, "Number of threads to spawn (default: 10)");
+static bool enomem_retry = false;
+module_param(enomem_retry, bool, 0);
+MODULE_PARM_DESC(enomem_retry, "Retry insert even if -ENOMEM was returned (default: off)");
+
struct test_obj {
int value;
struct rhash_head node;
@@ -76,6 +80,28 @@
static struct semaphore prestart_sem;
static struct semaphore startup_sem = __SEMAPHORE_INITIALIZER(startup_sem, 0);
+static int insert_retry(struct rhashtable *ht, struct rhash_head *obj,
+ const struct rhashtable_params params)
+{
+ int err, retries = -1, enomem_retries = 0;
+
+ do {
+ retries++;
+ cond_resched();
+ err = rhashtable_insert_fast(ht, obj, params);
+ if (err == -ENOMEM && enomem_retry) {
+ enomem_retries++;
+ err = -EBUSY;
+ }
+ } while (err == -EBUSY);
+
+ if (enomem_retries)
+ pr_info(" %u insertions retried after -ENOMEM\n",
+ enomem_retries);
+
+ return err ? : retries;
+}
+
static int __init test_rht_lookup(struct rhashtable *ht)
{
unsigned int i;
@@ -157,7 +183,7 @@
{
struct test_obj *obj;
int err;
- unsigned int i, insert_fails = 0;
+ unsigned int i, insert_retries = 0;
s64 start, end;
/*
@@ -170,22 +196,16 @@
struct test_obj *obj = &array[i];
obj->value = i * 2;
-
- err = rhashtable_insert_fast(ht, &obj->node, test_rht_params);
- if (err == -ENOMEM || err == -EBUSY) {
- /* Mark failed inserts but continue */
- obj->value = TEST_INSERT_FAIL;
- insert_fails++;
- } else if (err) {
+ err = insert_retry(ht, &obj->node, test_rht_params);
+ if (err > 0)
+ insert_retries += err;
+ else if (err)
return err;
- }
-
- cond_resched();
}
- if (insert_fails)
- pr_info(" %u insertions failed due to memory pressure\n",
- insert_fails);
+ if (insert_retries)
+ pr_info(" %u insertions retried due to memory pressure\n",
+ insert_retries);
test_bucket_stats(ht);
rcu_read_lock();
@@ -236,13 +256,15 @@
obj->value, key);
err++;
}
+
+ cond_resched();
}
return err;
}
static int threadfunc(void *data)
{
- int i, step, err = 0, insert_fails = 0;
+ int i, step, err = 0, insert_retries = 0;
struct thread_data *tdata = data;
up(&prestart_sem);
@@ -251,20 +273,18 @@
for (i = 0; i < entries; i++) {
tdata->objs[i].value = (tdata->id << 16) | i;
- err = rhashtable_insert_fast(&ht, &tdata->objs[i].node,
- test_rht_params);
- if (err == -ENOMEM || err == -EBUSY) {
- tdata->objs[i].value = TEST_INSERT_FAIL;
- insert_fails++;
+ err = insert_retry(&ht, &tdata->objs[i].node, test_rht_params);
+ if (err > 0) {
+ insert_retries += err;
} else if (err) {
pr_err(" thread[%d]: rhashtable_insert_fast failed\n",
tdata->id);
goto out;
}
}
- if (insert_fails)
- pr_info(" thread[%d]: %d insert failures\n",
- tdata->id, insert_fails);
+ if (insert_retries)
+ pr_info(" thread[%d]: %u insertions retried due to memory pressure\n",
+ tdata->id, insert_retries);
err = thread_lookup_test(tdata);
if (err) {
@@ -285,6 +305,8 @@
goto out;
}
tdata->objs[i].value = TEST_INSERT_FAIL;
+
+ cond_resched();
}
err = thread_lookup_test(tdata);
if (err) {
@@ -311,7 +333,7 @@
entries = min(entries, MAX_ENTRIES);
test_rht_params.automatic_shrinking = shrinking;
- test_rht_params.max_size = max_size;
+ test_rht_params.max_size = max_size ? : roundup_pow_of_two(entries);
test_rht_params.nelem_hint = size;
pr_info("Running rhashtable test nelem=%d, max_size=%d, shrinking=%d\n",
@@ -357,6 +379,8 @@
return -ENOMEM;
}
+ test_rht_params.max_size = max_size ? :
+ roundup_pow_of_two(tcount * entries);
err = rhashtable_init(&ht, &test_rht_params);
if (err < 0) {
pr_warn("Test failed: Unable to initialize hashtable: %d\n",
diff --git a/net/atm/mpc.h b/net/atm/mpc.h
index 0919a88..cfc7b74 100644
--- a/net/atm/mpc.h
+++ b/net/atm/mpc.h
@@ -21,11 +21,11 @@
uint8_t our_ctrl_addr[ATM_ESA_LEN]; /* MPC's control ATM address */
rwlock_t ingress_lock;
- struct in_cache_ops *in_ops; /* ingress cache operations */
+ const struct in_cache_ops *in_ops; /* ingress cache operations */
in_cache_entry *in_cache; /* the ingress cache of this MPC */
rwlock_t egress_lock;
- struct eg_cache_ops *eg_ops; /* egress cache operations */
+ const struct eg_cache_ops *eg_ops; /* egress cache operations */
eg_cache_entry *eg_cache; /* the egress cache of this MPC */
uint8_t *mps_macs; /* array of MPS MAC addresses, >=1 */
diff --git a/net/atm/mpoa_caches.c b/net/atm/mpoa_caches.c
index d1b2d9a..9e60e74 100644
--- a/net/atm/mpoa_caches.c
+++ b/net/atm/mpoa_caches.c
@@ -534,7 +534,7 @@
}
-static struct in_cache_ops ingress_ops = {
+static const struct in_cache_ops ingress_ops = {
in_cache_add_entry, /* add_entry */
in_cache_get, /* get */
in_cache_get_with_mask, /* get_with_mask */
@@ -548,7 +548,7 @@
in_destroy_cache /* destroy_cache */
};
-static struct eg_cache_ops egress_ops = {
+static const struct eg_cache_ops egress_ops = {
eg_cache_add_entry, /* add_entry */
eg_cache_get_by_cache_id, /* get_by_cache_id */
eg_cache_get_by_tag, /* get_by_tag */
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 70306cc..5785e8e 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -33,8 +33,6 @@
#include "selftest.h"
-#define VERSION "2.21"
-
/* Bluetooth sockets */
#define BT_MAX_PROTO 8
static const struct net_proto_family *bt_proto[BT_MAX_PROTO];
@@ -671,7 +669,7 @@
};
int bt_procfs_init(struct net *net, const char *name,
- struct bt_sock_list* sk_list,
+ struct bt_sock_list *sk_list,
int (* seq_show)(struct seq_file *, void *))
{
sk_list->custom_seq_show = seq_show;
@@ -687,7 +685,7 @@
}
#else
int bt_procfs_init(struct net *net, const char *name,
- struct bt_sock_list* sk_list,
+ struct bt_sock_list *sk_list,
int (* seq_show)(struct seq_file *, void *))
{
return 0;
@@ -715,7 +713,7 @@
sock_skb_cb_check_size(sizeof(struct bt_skb_cb));
- BT_INFO("Core ver %s", VERSION);
+ BT_INFO("Core ver %s", BT_SUBSYS_VERSION);
err = bt_selftest();
if (err < 0)
@@ -789,7 +787,7 @@
module_exit(bt_exit);
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
-MODULE_DESCRIPTION("Bluetooth Core ver " VERSION);
-MODULE_VERSION(VERSION);
+MODULE_DESCRIPTION("Bluetooth Core ver " BT_SUBSYS_VERSION);
+MODULE_VERSION(BT_SUBSYS_VERSION);
MODULE_LICENSE("GPL");
MODULE_ALIAS_NETPROTO(PF_BLUETOOTH);
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index 298ed37..9e59b66 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -178,8 +178,7 @@
cmtp_add_msgpart(session, id, skb->data + hdrlen, len);
break;
default:
- if (session->reassembly[id] != NULL)
- kfree_skb(session->reassembly[id]);
+ kfree_skb(session->reassembly[id]);
session->reassembly[id] = NULL;
break;
}
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 85b82f7..2d334e0 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -178,6 +178,10 @@
hci_dev_hold(conn->hdev);
hci_conn_get(conn);
+ /* Even though we hold a reference to the hdev, many other
+ * things might get cleaned up meanwhile, including the hdev's
+ * own workqueue, so we can't use that for scheduling.
+ */
schedule_work(&conn->le_scan_cleanup);
}
@@ -781,7 +785,7 @@
u8 role)
{
struct hci_conn_params *params;
- struct hci_conn *conn, *conn_unfinished;
+ struct hci_conn *conn;
struct smp_irk *irk;
struct hci_request req;
int err;
@@ -794,35 +798,22 @@
return ERR_PTR(-EOPNOTSUPP);
}
- /* Some devices send ATT messages as soon as the physical link is
- * established. To be able to handle these ATT messages, the user-
- * space first establishes the connection and then starts the pairing
- * process.
- *
- * So if a hci_conn object already exists for the following connection
- * attempt, we simply update pending_sec_level and auth_type fields
- * and return the object found.
- */
- conn = hci_conn_hash_lookup_le(hdev, dst, dst_type);
- conn_unfinished = NULL;
- if (conn) {
- if (conn->state == BT_CONNECT &&
- test_bit(HCI_CONN_SCANNING, &conn->flags)) {
- BT_DBG("will continue unfinished conn %pMR", dst);
- conn_unfinished = conn;
- } else {
- if (conn->pending_sec_level < sec_level)
- conn->pending_sec_level = sec_level;
- goto done;
- }
- }
-
/* Since the controller supports only one LE connection attempt at a
* time, we return -EBUSY if there is any connection attempt running.
*/
if (hci_lookup_le_connect(hdev))
return ERR_PTR(-EBUSY);
+ /* If there's already a connection object but it's not in
+ * scanning state it means it must already be established, in
+ * which case we can't do anything else except report a failure
+ * to connect.
+ */
+ conn = hci_conn_hash_lookup_le(hdev, dst, dst_type);
+ if (conn && !test_bit(HCI_CONN_SCANNING, &conn->flags)) {
+ return ERR_PTR(-EBUSY);
+ }
+
/* When given an identity address with existing identity
* resolving key, the connection needs to be established
* to a resolvable random address.
@@ -838,23 +829,20 @@
dst_type = ADDR_LE_DEV_RANDOM;
}
- if (conn_unfinished) {
- conn = conn_unfinished;
+ if (conn) {
bacpy(&conn->dst, dst);
} else {
conn = hci_conn_add(hdev, LE_LINK, dst, role);
+ if (!conn)
+ return ERR_PTR(-ENOMEM);
+ hci_conn_hold(conn);
+ conn->pending_sec_level = sec_level;
}
- if (!conn)
- return ERR_PTR(-ENOMEM);
-
conn->dst_type = dst_type;
conn->sec_level = BT_SECURITY_LOW;
conn->conn_timeout = conn_timeout;
- if (!conn_unfinished)
- conn->pending_sec_level = sec_level;
-
hci_req_init(&req, hdev);
/* Disable advertising if we're active. For master role
@@ -918,37 +906,9 @@
return ERR_PTR(err);
}
-done:
- /* If this is continuation of connect started by hci_connect_le_scan,
- * it already called hci_conn_hold and calling it again would mess the
- * counter.
- */
- if (!conn_unfinished)
- hci_conn_hold(conn);
-
return conn;
}
-static void hci_connect_le_scan_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
-{
- struct hci_conn *conn;
-
- if (!status)
- return;
-
- BT_ERR("Failed to add device to auto conn whitelist: status 0x%2.2x",
- status);
-
- hci_dev_lock(hdev);
-
- conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
- if (conn)
- hci_le_conn_failed(conn, status);
-
- hci_dev_unlock(hdev);
-}
-
static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
{
struct hci_conn *conn;
@@ -964,10 +924,9 @@
}
/* This function requires the caller holds hdev->lock */
-static int hci_explicit_conn_params_set(struct hci_request *req,
+static int hci_explicit_conn_params_set(struct hci_dev *hdev,
bdaddr_t *addr, u8 addr_type)
{
- struct hci_dev *hdev = req->hdev;
struct hci_conn_params *params;
if (is_connected(hdev, addr, addr_type))
@@ -995,7 +954,6 @@
}
params->explicit_connect = true;
- __hci_update_background_scan(req);
BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
params->auto_connect);
@@ -1006,11 +964,9 @@
/* This function requires the caller holds hdev->lock */
struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
u8 dst_type, u8 sec_level,
- u16 conn_timeout, u8 role)
+ u16 conn_timeout)
{
struct hci_conn *conn;
- struct hci_request req;
- int err;
/* Let's make sure that le is enabled.*/
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
@@ -1038,29 +994,22 @@
BT_DBG("requesting refresh of dst_addr");
- conn = hci_conn_add(hdev, LE_LINK, dst, role);
+ conn = hci_conn_add(hdev, LE_LINK, dst, HCI_ROLE_MASTER);
if (!conn)
return ERR_PTR(-ENOMEM);
- hci_req_init(&req, hdev);
-
- if (hci_explicit_conn_params_set(&req, dst, dst_type) < 0)
+ if (hci_explicit_conn_params_set(hdev, dst, dst_type) < 0)
return ERR_PTR(-EBUSY);
conn->state = BT_CONNECT;
set_bit(HCI_CONN_SCANNING, &conn->flags);
-
- err = hci_req_run(&req, hci_connect_le_scan_complete);
- if (err && err != -ENODATA) {
- hci_conn_del(conn);
- return ERR_PTR(err);
- }
-
conn->dst_type = dst_type;
conn->sec_level = BT_SECURITY_LOW;
conn->pending_sec_level = sec_level;
conn->conn_timeout = conn_timeout;
+ hci_update_background_scan(hdev);
+
done:
hci_conn_hold(conn);
return conn;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 62edbf1..89af7e4 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -56,15 +56,6 @@
/* HCI ID Numbering */
static DEFINE_IDA(hci_index_ida);
-/* ----- HCI requests ----- */
-
-#define HCI_REQ_DONE 0
-#define HCI_REQ_PEND 1
-#define HCI_REQ_CANCELED 2
-
-#define hci_req_lock(d) mutex_lock(&d->req_lock)
-#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
-
/* ---- HCI debugfs entries ---- */
static ssize_t dut_mode_read(struct file *file, char __user *user_buf,
@@ -73,7 +64,7 @@
struct hci_dev *hdev = file->private_data;
char buf[3];
- buf[0] = hci_dev_test_flag(hdev, HCI_DUT_MODE) ? 'Y': 'N';
+ buf[0] = hci_dev_test_flag(hdev, HCI_DUT_MODE) ? 'Y' : 'N';
buf[1] = '\n';
buf[2] = '\0';
return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
@@ -101,14 +92,14 @@
if (enable == hci_dev_test_flag(hdev, HCI_DUT_MODE))
return -EALREADY;
- hci_req_lock(hdev);
+ hci_req_sync_lock(hdev);
if (enable)
skb = __hci_cmd_sync(hdev, HCI_OP_ENABLE_DUT_MODE, 0, NULL,
HCI_CMD_TIMEOUT);
else
skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL,
HCI_CMD_TIMEOUT);
- hci_req_unlock(hdev);
+ hci_req_sync_unlock(hdev);
if (IS_ERR(skb))
return PTR_ERR(skb);
@@ -133,7 +124,7 @@
struct hci_dev *hdev = file->private_data;
char buf[3];
- buf[0] = hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) ? 'Y': 'N';
+ buf[0] = hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) ? 'Y' : 'N';
buf[1] = '\n';
buf[2] = '\0';
return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
@@ -165,9 +156,9 @@
!test_bit(HCI_RUNNING, &hdev->flags))
goto done;
- hci_req_lock(hdev);
+ hci_req_sync_lock(hdev);
err = hdev->set_diag(hdev, enable);
- hci_req_unlock(hdev);
+ hci_req_sync_unlock(hdev);
if (err < 0)
return err;
@@ -198,197 +189,14 @@
&vendor_diag_fops);
}
-/* ---- HCI requests ---- */
-
-static void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
- struct sk_buff *skb)
-{
- BT_DBG("%s result 0x%2.2x", hdev->name, result);
-
- if (hdev->req_status == HCI_REQ_PEND) {
- hdev->req_result = result;
- hdev->req_status = HCI_REQ_DONE;
- if (skb)
- hdev->req_skb = skb_get(skb);
- wake_up_interruptible(&hdev->req_wait_q);
- }
-}
-
-static void hci_req_cancel(struct hci_dev *hdev, int err)
-{
- BT_DBG("%s err 0x%2.2x", hdev->name, err);
-
- if (hdev->req_status == HCI_REQ_PEND) {
- hdev->req_result = err;
- hdev->req_status = HCI_REQ_CANCELED;
- wake_up_interruptible(&hdev->req_wait_q);
- }
-}
-
-struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
- const void *param, u8 event, u32 timeout)
-{
- DECLARE_WAITQUEUE(wait, current);
- struct hci_request req;
- struct sk_buff *skb;
- int err = 0;
-
- BT_DBG("%s", hdev->name);
-
- hci_req_init(&req, hdev);
-
- hci_req_add_ev(&req, opcode, plen, param, event);
-
- hdev->req_status = HCI_REQ_PEND;
-
- add_wait_queue(&hdev->req_wait_q, &wait);
- set_current_state(TASK_INTERRUPTIBLE);
-
- err = hci_req_run_skb(&req, hci_req_sync_complete);
- if (err < 0) {
- remove_wait_queue(&hdev->req_wait_q, &wait);
- set_current_state(TASK_RUNNING);
- return ERR_PTR(err);
- }
-
- schedule_timeout(timeout);
-
- remove_wait_queue(&hdev->req_wait_q, &wait);
-
- if (signal_pending(current))
- return ERR_PTR(-EINTR);
-
- switch (hdev->req_status) {
- case HCI_REQ_DONE:
- err = -bt_to_errno(hdev->req_result);
- break;
-
- case HCI_REQ_CANCELED:
- err = -hdev->req_result;
- break;
-
- default:
- err = -ETIMEDOUT;
- break;
- }
-
- hdev->req_status = hdev->req_result = 0;
- skb = hdev->req_skb;
- hdev->req_skb = NULL;
-
- BT_DBG("%s end: err %d", hdev->name, err);
-
- if (err < 0) {
- kfree_skb(skb);
- return ERR_PTR(err);
- }
-
- if (!skb)
- return ERR_PTR(-ENODATA);
-
- return skb;
-}
-EXPORT_SYMBOL(__hci_cmd_sync_ev);
-
-struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
- const void *param, u32 timeout)
-{
- return __hci_cmd_sync_ev(hdev, opcode, plen, param, 0, timeout);
-}
-EXPORT_SYMBOL(__hci_cmd_sync);
-
-/* Execute request and wait for completion. */
-static int __hci_req_sync(struct hci_dev *hdev,
- void (*func)(struct hci_request *req,
- unsigned long opt),
- unsigned long opt, __u32 timeout)
-{
- struct hci_request req;
- DECLARE_WAITQUEUE(wait, current);
- int err = 0;
-
- BT_DBG("%s start", hdev->name);
-
- hci_req_init(&req, hdev);
-
- hdev->req_status = HCI_REQ_PEND;
-
- func(&req, opt);
-
- add_wait_queue(&hdev->req_wait_q, &wait);
- set_current_state(TASK_INTERRUPTIBLE);
-
- err = hci_req_run_skb(&req, hci_req_sync_complete);
- if (err < 0) {
- hdev->req_status = 0;
-
- remove_wait_queue(&hdev->req_wait_q, &wait);
- set_current_state(TASK_RUNNING);
-
- /* ENODATA means the HCI request command queue is empty.
- * This can happen when a request with conditionals doesn't
- * trigger any commands to be sent. This is normal behavior
- * and should not trigger an error return.
- */
- if (err == -ENODATA)
- return 0;
-
- return err;
- }
-
- schedule_timeout(timeout);
-
- remove_wait_queue(&hdev->req_wait_q, &wait);
-
- if (signal_pending(current))
- return -EINTR;
-
- switch (hdev->req_status) {
- case HCI_REQ_DONE:
- err = -bt_to_errno(hdev->req_result);
- break;
-
- case HCI_REQ_CANCELED:
- err = -hdev->req_result;
- break;
-
- default:
- err = -ETIMEDOUT;
- break;
- }
-
- hdev->req_status = hdev->req_result = 0;
-
- BT_DBG("%s end: err %d", hdev->name, err);
-
- return err;
-}
-
-static int hci_req_sync(struct hci_dev *hdev,
- void (*req)(struct hci_request *req,
- unsigned long opt),
- unsigned long opt, __u32 timeout)
-{
- int ret;
-
- if (!test_bit(HCI_UP, &hdev->flags))
- return -ENETDOWN;
-
- /* Serialize all requests */
- hci_req_lock(hdev);
- ret = __hci_req_sync(hdev, req, opt, timeout);
- hci_req_unlock(hdev);
-
- return ret;
-}
-
-static void hci_reset_req(struct hci_request *req, unsigned long opt)
+static int hci_reset_req(struct hci_request *req, unsigned long opt)
{
BT_DBG("%s %ld", req->hdev->name, opt);
/* Reset device */
set_bit(HCI_RESET, &req->hdev->flags);
hci_req_add(req, HCI_OP_RESET, 0, NULL);
+ return 0;
}
static void bredr_init(struct hci_request *req)
@@ -428,7 +236,7 @@
hci_req_add(req, HCI_OP_READ_LOCATION_DATA, 0, NULL);
}
-static void amp_init2(struct hci_request *req)
+static int amp_init2(struct hci_request *req)
{
/* Read Local Supported Features. Not all AMP controllers
* support this so it's placed conditionally in the second
@@ -436,9 +244,11 @@
*/
if (req->hdev->commands[14] & 0x20)
hci_req_add(req, HCI_OP_READ_LOCAL_FEATURES, 0, NULL);
+
+ return 0;
}
-static void hci_init1_req(struct hci_request *req, unsigned long opt)
+static int hci_init1_req(struct hci_request *req, unsigned long opt)
{
struct hci_dev *hdev = req->hdev;
@@ -461,6 +271,8 @@
BT_ERR("Unknown device type %d", hdev->dev_type);
break;
}
+
+ return 0;
}
static void bredr_setup(struct hci_request *req)
@@ -531,20 +343,30 @@
if (lmp_bredr_capable(hdev)) {
events[4] |= 0x01; /* Flow Specification Complete */
- events[4] |= 0x02; /* Inquiry Result with RSSI */
- events[4] |= 0x04; /* Read Remote Extended Features Complete */
- events[5] |= 0x08; /* Synchronous Connection Complete */
- events[5] |= 0x10; /* Synchronous Connection Changed */
} else {
/* Use a different default for LE-only devices */
memset(events, 0, sizeof(events));
- events[0] |= 0x10; /* Disconnection Complete */
- events[1] |= 0x08; /* Read Remote Version Information Complete */
events[1] |= 0x20; /* Command Complete */
events[1] |= 0x40; /* Command Status */
events[1] |= 0x80; /* Hardware Error */
- events[2] |= 0x04; /* Number of Completed Packets */
- events[3] |= 0x02; /* Data Buffer Overflow */
+
+ /* If the controller supports the Disconnect command, enable
+ * the corresponding event. In addition enable packet flow
+ * control related events.
+ */
+ if (hdev->commands[0] & 0x20) {
+ events[0] |= 0x10; /* Disconnection Complete */
+ events[2] |= 0x04; /* Number of Completed Packets */
+ events[3] |= 0x02; /* Data Buffer Overflow */
+ }
+
+ /* If the controller supports the Read Remote Version
+ * Information command, enable the corresponding event.
+ */
+ if (hdev->commands[2] & 0x80)
+ events[1] |= 0x08; /* Read Remote Version Information
+ * Complete
+ */
if (hdev->le_features[0] & HCI_LE_ENCRYPTION) {
events[0] |= 0x80; /* Encryption Change */
@@ -552,9 +374,18 @@
}
}
- if (lmp_inq_rssi_capable(hdev))
+ if (lmp_inq_rssi_capable(hdev) ||
+ test_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks))
events[4] |= 0x02; /* Inquiry Result with RSSI */
+ if (lmp_ext_feat_capable(hdev))
+ events[4] |= 0x04; /* Read Remote Extended Features Complete */
+
+ if (lmp_esco_capable(hdev)) {
+ events[5] |= 0x08; /* Synchronous Connection Complete */
+ events[5] |= 0x10; /* Synchronous Connection Changed */
+ }
+
if (lmp_sniffsubr_capable(hdev))
events[5] |= 0x20; /* Sniff Subrating */
@@ -590,7 +421,7 @@
hci_req_add(req, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
}
-static void hci_init2_req(struct hci_request *req, unsigned long opt)
+static int hci_init2_req(struct hci_request *req, unsigned long opt)
{
struct hci_dev *hdev = req->hdev;
@@ -670,6 +501,8 @@
hci_req_add(req, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
&enable);
}
+
+ return 0;
}
static void hci_setup_link_policy(struct hci_request *req)
@@ -744,7 +577,7 @@
hci_req_add(req, HCI_OP_SET_EVENT_MASK_PAGE_2, sizeof(events), events);
}
-static void hci_init3_req(struct hci_request *req, unsigned long opt)
+static int hci_init3_req(struct hci_request *req, unsigned long opt)
{
struct hci_dev *hdev = req->hdev;
u8 p;
@@ -777,7 +610,6 @@
u8 events[8];
memset(events, 0, sizeof(events));
- events[0] = 0x0f;
if (hdev->le_features[0] & HCI_LE_ENCRYPTION)
events[0] |= 0x10; /* LE Long Term Key Request */
@@ -804,6 +636,34 @@
* Report
*/
+ /* If the controller supports the LE Set Scan Enable command,
+ * enable the corresponding advertising report event.
+ */
+ if (hdev->commands[26] & 0x08)
+ events[0] |= 0x02; /* LE Advertising Report */
+
+ /* If the controller supports the LE Create Connection
+ * command, enable the corresponding event.
+ */
+ if (hdev->commands[26] & 0x10)
+ events[0] |= 0x01; /* LE Connection Complete */
+
+ /* If the controller supports the LE Connection Update
+ * command, enable the corresponding event.
+ */
+ if (hdev->commands[27] & 0x04)
+ events[0] |= 0x04; /* LE Connection Update
+ * Complete
+ */
+
+ /* If the controller supports the LE Read Remote Used Features
+ * command, enable the corresponding event.
+ */
+ if (hdev->commands[27] & 0x20)
+ events[0] |= 0x08; /* LE Read Remote Used
+ * Features Complete
+ */
+
/* If the controller supports the LE Read Local P-256
* Public Key command, enable the corresponding event.
*/
@@ -856,9 +716,11 @@
hci_req_add(req, HCI_OP_READ_LOCAL_EXT_FEATURES,
sizeof(cp), &cp);
}
+
+ return 0;
}
-static void hci_init4_req(struct hci_request *req, unsigned long opt)
+static int hci_init4_req(struct hci_request *req, unsigned long opt)
{
struct hci_dev *hdev = req->hdev;
@@ -909,20 +771,22 @@
hci_req_add(req, HCI_OP_WRITE_SC_SUPPORT,
sizeof(support), &support);
}
+
+ return 0;
}
static int __hci_init(struct hci_dev *hdev)
{
int err;
- err = __hci_req_sync(hdev, hci_init1_req, 0, HCI_INIT_TIMEOUT);
+ err = __hci_req_sync(hdev, hci_init1_req, 0, HCI_INIT_TIMEOUT, NULL);
if (err < 0)
return err;
if (hci_dev_test_flag(hdev, HCI_SETUP))
hci_debugfs_create_basic(hdev);
- err = __hci_req_sync(hdev, hci_init2_req, 0, HCI_INIT_TIMEOUT);
+ err = __hci_req_sync(hdev, hci_init2_req, 0, HCI_INIT_TIMEOUT, NULL);
if (err < 0)
return err;
@@ -933,11 +797,11 @@
if (hdev->dev_type != HCI_BREDR)
return 0;
- err = __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT);
+ err = __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT, NULL);
if (err < 0)
return err;
- err = __hci_req_sync(hdev, hci_init4_req, 0, HCI_INIT_TIMEOUT);
+ err = __hci_req_sync(hdev, hci_init4_req, 0, HCI_INIT_TIMEOUT, NULL);
if (err < 0)
return err;
@@ -968,7 +832,7 @@
return 0;
}
-static void hci_init0_req(struct hci_request *req, unsigned long opt)
+static int hci_init0_req(struct hci_request *req, unsigned long opt)
{
struct hci_dev *hdev = req->hdev;
@@ -984,6 +848,8 @@
/* Read BD Address */
if (hdev->set_bdaddr)
hci_req_add(req, HCI_OP_READ_BD_ADDR, 0, NULL);
+
+ return 0;
}
static int __hci_unconf_init(struct hci_dev *hdev)
@@ -993,7 +859,7 @@
if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
return 0;
- err = __hci_req_sync(hdev, hci_init0_req, 0, HCI_INIT_TIMEOUT);
+ err = __hci_req_sync(hdev, hci_init0_req, 0, HCI_INIT_TIMEOUT, NULL);
if (err < 0)
return err;
@@ -1003,7 +869,7 @@
return 0;
}
-static void hci_scan_req(struct hci_request *req, unsigned long opt)
+static int hci_scan_req(struct hci_request *req, unsigned long opt)
{
__u8 scan = opt;
@@ -1011,9 +877,10 @@
/* Inquiry and Page scans */
hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+ return 0;
}
-static void hci_auth_req(struct hci_request *req, unsigned long opt)
+static int hci_auth_req(struct hci_request *req, unsigned long opt)
{
__u8 auth = opt;
@@ -1021,9 +888,10 @@
/* Authentication */
hci_req_add(req, HCI_OP_WRITE_AUTH_ENABLE, 1, &auth);
+ return 0;
}
-static void hci_encrypt_req(struct hci_request *req, unsigned long opt)
+static int hci_encrypt_req(struct hci_request *req, unsigned long opt)
{
__u8 encrypt = opt;
@@ -1031,9 +899,10 @@
/* Encryption */
hci_req_add(req, HCI_OP_WRITE_ENCRYPT_MODE, 1, &encrypt);
+ return 0;
}
-static void hci_linkpol_req(struct hci_request *req, unsigned long opt)
+static int hci_linkpol_req(struct hci_request *req, unsigned long opt)
{
__le16 policy = cpu_to_le16(opt);
@@ -1041,6 +910,7 @@
/* Default link policy */
hci_req_add(req, HCI_OP_WRITE_DEF_LINK_POLICY, 2, &policy);
+ return 0;
}
/* Get HCI device by index.
@@ -1285,7 +1155,7 @@
return copied;
}
-static void hci_inq_req(struct hci_request *req, unsigned long opt)
+static int hci_inq_req(struct hci_request *req, unsigned long opt)
{
struct hci_inquiry_req *ir = (struct hci_inquiry_req *) opt;
struct hci_dev *hdev = req->hdev;
@@ -1294,13 +1164,15 @@
BT_DBG("%s", hdev->name);
if (test_bit(HCI_INQUIRY, &hdev->flags))
- return;
+ return 0;
/* Start Inquiry */
memcpy(&cp.lap, &ir->lap, 3);
cp.length = ir->length;
cp.num_rsp = ir->num_rsp;
hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
+
+ return 0;
}
int hci_inquiry(void __user *arg)
@@ -1351,7 +1223,7 @@
if (do_inquiry) {
err = hci_req_sync(hdev, hci_inq_req, (unsigned long) &ir,
- timeo);
+ timeo, NULL);
if (err < 0)
goto done;
@@ -1404,7 +1276,7 @@
BT_DBG("%s %p", hdev->name, hdev);
- hci_req_lock(hdev);
+ hci_req_sync_lock(hdev);
if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) {
ret = -ENODEV;
@@ -1557,7 +1429,7 @@
}
done:
- hci_req_unlock(hdev);
+ hci_req_sync_unlock(hdev);
return ret;
}
@@ -1651,12 +1523,12 @@
cancel_delayed_work(&hdev->power_off);
- hci_req_cancel(hdev, ENODEV);
- hci_req_lock(hdev);
+ hci_request_cancel_all(hdev);
+ hci_req_sync_lock(hdev);
if (!test_and_clear_bit(HCI_UP, &hdev->flags)) {
cancel_delayed_work_sync(&hdev->cmd_timer);
- hci_req_unlock(hdev);
+ hci_req_sync_unlock(hdev);
return 0;
}
@@ -1674,9 +1546,6 @@
if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
cancel_delayed_work(&hdev->service_cache);
- cancel_delayed_work_sync(&hdev->le_scan_disable);
- cancel_delayed_work_sync(&hdev->le_scan_restart);
-
if (hci_dev_test_flag(hdev, HCI_MGMT))
cancel_delayed_work_sync(&hdev->rpa_expired);
@@ -1717,7 +1586,7 @@
if (test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks) &&
!auto_off && !hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
set_bit(HCI_INIT, &hdev->flags);
- __hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT);
+ __hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT, NULL);
clear_bit(HCI_INIT, &hdev->flags);
}
@@ -1754,7 +1623,7 @@
memset(hdev->dev_class, 0, sizeof(hdev->dev_class));
bacpy(&hdev->random_addr, BDADDR_ANY);
- hci_req_unlock(hdev);
+ hci_req_sync_unlock(hdev);
hci_dev_put(hdev);
return 0;
@@ -1790,7 +1659,7 @@
BT_DBG("%s %p", hdev->name, hdev);
- hci_req_lock(hdev);
+ hci_req_sync_lock(hdev);
/* Drop queues */
skb_queue_purge(&hdev->rx_q);
@@ -1812,9 +1681,9 @@
atomic_set(&hdev->cmd_cnt, 1);
hdev->acl_cnt = 0; hdev->sco_cnt = 0; hdev->le_cnt = 0;
- ret = __hci_req_sync(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT);
+ ret = __hci_req_sync(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT, NULL);
- hci_req_unlock(hdev);
+ hci_req_sync_unlock(hdev);
return ret;
}
@@ -1947,7 +1816,7 @@
switch (cmd) {
case HCISETAUTH:
err = hci_req_sync(hdev, hci_auth_req, dr.dev_opt,
- HCI_INIT_TIMEOUT);
+ HCI_INIT_TIMEOUT, NULL);
break;
case HCISETENCRYPT:
@@ -1959,18 +1828,18 @@
if (!test_bit(HCI_AUTH, &hdev->flags)) {
/* Auth must be enabled first */
err = hci_req_sync(hdev, hci_auth_req, dr.dev_opt,
- HCI_INIT_TIMEOUT);
+ HCI_INIT_TIMEOUT, NULL);
if (err)
break;
}
err = hci_req_sync(hdev, hci_encrypt_req, dr.dev_opt,
- HCI_INIT_TIMEOUT);
+ HCI_INIT_TIMEOUT, NULL);
break;
case HCISETSCAN:
err = hci_req_sync(hdev, hci_scan_req, dr.dev_opt,
- HCI_INIT_TIMEOUT);
+ HCI_INIT_TIMEOUT, NULL);
/* Ensure that the connectable and discoverable states
* get correctly modified as this was a non-mgmt change.
@@ -1981,7 +1850,7 @@
case HCISETLINKPOL:
err = hci_req_sync(hdev, hci_linkpol_req, dr.dev_opt,
- HCI_INIT_TIMEOUT);
+ HCI_INIT_TIMEOUT, NULL);
break;
case HCISETLINKMODE:
@@ -2731,7 +2600,8 @@
}
/* This function requires the caller holds hdev->lock */
-struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance) {
+struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance)
+{
struct adv_info *cur_instance;
cur_instance = hci_find_adv_instance(hdev, instance);
@@ -3024,181 +2894,16 @@
}
/* This function requires the caller holds hdev->lock */
-void hci_conn_params_clear_all(struct hci_dev *hdev)
+static void hci_conn_params_clear_all(struct hci_dev *hdev)
{
struct hci_conn_params *params, *tmp;
list_for_each_entry_safe(params, tmp, &hdev->le_conn_params, list)
hci_conn_params_free(params);
- hci_update_background_scan(hdev);
-
BT_DBG("All LE connection parameters were removed");
}
-static void inquiry_complete(struct hci_dev *hdev, u8 status, u16 opcode)
-{
- if (status) {
- BT_ERR("Failed to start inquiry: status %d", status);
-
- hci_dev_lock(hdev);
- hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
- hci_dev_unlock(hdev);
- return;
- }
-}
-
-static void le_scan_disable_work_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
-{
- /* General inquiry access code (GIAC) */
- u8 lap[3] = { 0x33, 0x8b, 0x9e };
- struct hci_cp_inquiry cp;
- int err;
-
- if (status) {
- BT_ERR("Failed to disable LE scanning: status %d", status);
- return;
- }
-
- hdev->discovery.scan_start = 0;
-
- switch (hdev->discovery.type) {
- case DISCOV_TYPE_LE:
- hci_dev_lock(hdev);
- hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
- hci_dev_unlock(hdev);
- break;
-
- case DISCOV_TYPE_INTERLEAVED:
- hci_dev_lock(hdev);
-
- if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
- &hdev->quirks)) {
- /* If we were running LE only scan, change discovery
- * state. If we were running both LE and BR/EDR inquiry
- * simultaneously, and BR/EDR inquiry is already
- * finished, stop discovery, otherwise BR/EDR inquiry
- * will stop discovery when finished. If we will resolve
- * remote device name, do not change discovery state.
- */
- if (!test_bit(HCI_INQUIRY, &hdev->flags) &&
- hdev->discovery.state != DISCOVERY_RESOLVING)
- hci_discovery_set_state(hdev,
- DISCOVERY_STOPPED);
- } else {
- struct hci_request req;
-
- hci_inquiry_cache_flush(hdev);
-
- hci_req_init(&req, hdev);
-
- memset(&cp, 0, sizeof(cp));
- memcpy(&cp.lap, lap, sizeof(cp.lap));
- cp.length = DISCOV_INTERLEAVED_INQUIRY_LEN;
- hci_req_add(&req, HCI_OP_INQUIRY, sizeof(cp), &cp);
-
- err = hci_req_run(&req, inquiry_complete);
- if (err) {
- BT_ERR("Inquiry request failed: err %d", err);
- hci_discovery_set_state(hdev,
- DISCOVERY_STOPPED);
- }
- }
-
- hci_dev_unlock(hdev);
- break;
- }
-}
-
-static void le_scan_disable_work(struct work_struct *work)
-{
- struct hci_dev *hdev = container_of(work, struct hci_dev,
- le_scan_disable.work);
- struct hci_request req;
- int err;
-
- BT_DBG("%s", hdev->name);
-
- cancel_delayed_work_sync(&hdev->le_scan_restart);
-
- hci_req_init(&req, hdev);
-
- hci_req_add_le_scan_disable(&req);
-
- err = hci_req_run(&req, le_scan_disable_work_complete);
- if (err)
- BT_ERR("Disable LE scanning request failed: err %d", err);
-}
-
-static void le_scan_restart_work_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
-{
- unsigned long timeout, duration, scan_start, now;
-
- BT_DBG("%s", hdev->name);
-
- if (status) {
- BT_ERR("Failed to restart LE scan: status %d", status);
- return;
- }
-
- if (!test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks) ||
- !hdev->discovery.scan_start)
- return;
-
- /* When the scan was started, hdev->le_scan_disable has been queued
- * after duration from scan_start. During scan restart this job
- * has been canceled, and we need to queue it again after proper
- * timeout, to make sure that scan does not run indefinitely.
- */
- duration = hdev->discovery.scan_duration;
- scan_start = hdev->discovery.scan_start;
- now = jiffies;
- if (now - scan_start <= duration) {
- int elapsed;
-
- if (now >= scan_start)
- elapsed = now - scan_start;
- else
- elapsed = ULONG_MAX - scan_start + now;
-
- timeout = duration - elapsed;
- } else {
- timeout = 0;
- }
- queue_delayed_work(hdev->workqueue,
- &hdev->le_scan_disable, timeout);
-}
-
-static void le_scan_restart_work(struct work_struct *work)
-{
- struct hci_dev *hdev = container_of(work, struct hci_dev,
- le_scan_restart.work);
- struct hci_request req;
- struct hci_cp_le_set_scan_enable cp;
- int err;
-
- BT_DBG("%s", hdev->name);
-
- /* If controller is not scanning we are done. */
- if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
- return;
-
- hci_req_init(&req, hdev);
-
- hci_req_add_le_scan_disable(&req);
-
- memset(&cp, 0, sizeof(cp));
- cp.enable = LE_SCAN_ENABLE;
- cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
- hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp);
-
- err = hci_req_run(&req, le_scan_restart_work_complete);
- if (err)
- BT_ERR("Restart LE scan request failed: err %d", err);
-}
-
/* Copy the Identity Address of the controller.
*
* If the controller has a public BD_ADDR, then by default use that one.
@@ -3298,8 +3003,6 @@
INIT_DELAYED_WORK(&hdev->power_off, hci_power_off);
INIT_DELAYED_WORK(&hdev->discov_off, hci_discov_off);
- INIT_DELAYED_WORK(&hdev->le_scan_disable, le_scan_disable_work);
- INIT_DELAYED_WORK(&hdev->le_scan_restart, le_scan_restart_work);
INIT_DELAYED_WORK(&hdev->adv_instance_expire, hci_adv_timeout_expire);
skb_queue_head_init(&hdev->rx_q);
@@ -3310,6 +3013,8 @@
INIT_DELAYED_WORK(&hdev->cmd_timer, hci_cmd_timeout);
+ hci_request_setup(hdev);
+
hci_init_sysfs(hdev);
discovery_init(hdev);
@@ -3520,7 +3225,7 @@
if (!skb)
return -ENOMEM;
- bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
+ hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
memcpy(skb_put(skb, 3), hw_err, 3);
/* Send Hardware Error to upper stack */
@@ -3537,9 +3242,9 @@
return -ENXIO;
}
- if (bt_cb(skb)->pkt_type != HCI_EVENT_PKT &&
- bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT &&
- bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) {
+ if (hci_skb_pkt_type(skb) != HCI_EVENT_PKT &&
+ hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT &&
+ hci_skb_pkt_type(skb) != HCI_SCODATA_PKT) {
kfree_skb(skb);
return -EINVAL;
}
@@ -3561,7 +3266,7 @@
int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb)
{
/* Mark as diagnostic packet */
- bt_cb(skb)->pkt_type = HCI_DIAG_PKT;
+ hci_skb_pkt_type(skb) = HCI_DIAG_PKT;
/* Time stamp */
__net_timestamp(skb);
@@ -3603,7 +3308,8 @@
{
int err;
- BT_DBG("%s type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len);
+ BT_DBG("%s type %d len %d", hdev->name, hci_skb_pkt_type(skb),
+ skb->len);
/* Time stamp */
__net_timestamp(skb);
@@ -3648,7 +3354,7 @@
/* Stand-alone HCI commands must be flagged as
* single-command requests.
*/
- bt_cb(skb)->hci.req_start = true;
+ bt_cb(skb)->hci.req_flags |= HCI_REQ_START;
skb_queue_tail(&hdev->cmd_q, skb);
queue_work(hdev->workqueue, &hdev->cmd_work);
@@ -3685,9 +3391,9 @@
bt_dev_dbg(hdev, "opcode 0x%4.4x plen %d", opcode, plen);
- hci_req_lock(hdev);
+ hci_req_sync_lock(hdev);
skb = __hci_cmd_sync(hdev, opcode, plen, param, timeout);
- hci_req_unlock(hdev);
+ hci_req_sync_unlock(hdev);
return skb;
}
@@ -3716,7 +3422,7 @@
skb->len = skb_headlen(skb);
skb->data_len = 0;
- bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
+ hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
switch (hdev->dev_type) {
case HCI_BREDR:
@@ -3756,7 +3462,7 @@
do {
skb = list; list = list->next;
- bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
+ hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
hci_add_acl_hdr(skb, conn->handle, flags);
BT_DBG("%s frag %p len %d", hdev->name, skb, skb->len);
@@ -3794,7 +3500,7 @@
skb_reset_transport_header(skb);
memcpy(skb_transport_header(skb), &hdr, HCI_SCO_HDR_SIZE);
- bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
+ hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
skb_queue_tail(&conn->data_q, skb);
queue_work(hdev->workqueue, &hdev->tx_work);
@@ -4345,7 +4051,7 @@
if (!skb)
return true;
- return bt_cb(skb)->hci.req_start;
+ return (bt_cb(skb)->hci.req_flags & HCI_REQ_START);
}
static void hci_resend_last(struct hci_dev *hdev)
@@ -4405,20 +4111,20 @@
* callback would be found in hdev->sent_cmd instead of the
* command queue (hdev->cmd_q).
*/
- if (bt_cb(hdev->sent_cmd)->hci.req_complete) {
- *req_complete = bt_cb(hdev->sent_cmd)->hci.req_complete;
+ if (bt_cb(hdev->sent_cmd)->hci.req_flags & HCI_REQ_SKB) {
+ *req_complete_skb = bt_cb(hdev->sent_cmd)->hci.req_complete_skb;
return;
}
- if (bt_cb(hdev->sent_cmd)->hci.req_complete_skb) {
- *req_complete_skb = bt_cb(hdev->sent_cmd)->hci.req_complete_skb;
+ if (bt_cb(hdev->sent_cmd)->hci.req_complete) {
+ *req_complete = bt_cb(hdev->sent_cmd)->hci.req_complete;
return;
}
/* Remove all pending commands belonging to this request */
spin_lock_irqsave(&hdev->cmd_q.lock, flags);
while ((skb = __skb_dequeue(&hdev->cmd_q))) {
- if (bt_cb(skb)->hci.req_start) {
+ if (bt_cb(skb)->hci.req_flags & HCI_REQ_START) {
__skb_queue_head(&hdev->cmd_q, skb);
break;
}
@@ -4453,7 +4159,7 @@
if (test_bit(HCI_INIT, &hdev->flags)) {
/* Don't process data packets in this states. */
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_ACLDATA_PKT:
case HCI_SCODATA_PKT:
kfree_skb(skb);
@@ -4462,7 +4168,7 @@
}
/* Process frame */
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_EVENT_PKT:
BT_DBG("%s Event packet", hdev->name);
hci_event_packet(hdev, skb);
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 981f8a2..e639671 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -27,6 +27,10 @@
#include "smp.h"
#include "hci_request.h"
+#define HCI_REQ_DONE 0
+#define HCI_REQ_PEND 1
+#define HCI_REQ_CANCELED 2
+
void hci_req_init(struct hci_request *req, struct hci_dev *hdev)
{
skb_queue_head_init(&req->cmd_q);
@@ -56,8 +60,12 @@
return -ENODATA;
skb = skb_peek_tail(&req->cmd_q);
- bt_cb(skb)->hci.req_complete = complete;
- bt_cb(skb)->hci.req_complete_skb = complete_skb;
+ if (complete) {
+ bt_cb(skb)->hci.req_complete = complete;
+ } else if (complete_skb) {
+ bt_cb(skb)->hci.req_complete_skb = complete_skb;
+ bt_cb(skb)->hci.req_flags |= HCI_REQ_SKB;
+ }
spin_lock_irqsave(&hdev->cmd_q.lock, flags);
skb_queue_splice_tail(&req->cmd_q, &hdev->cmd_q);
@@ -78,6 +86,203 @@
return req_run(req, NULL, complete);
}
+static void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
+ struct sk_buff *skb)
+{
+ BT_DBG("%s result 0x%2.2x", hdev->name, result);
+
+ if (hdev->req_status == HCI_REQ_PEND) {
+ hdev->req_result = result;
+ hdev->req_status = HCI_REQ_DONE;
+ if (skb)
+ hdev->req_skb = skb_get(skb);
+ wake_up_interruptible(&hdev->req_wait_q);
+ }
+}
+
+void hci_req_sync_cancel(struct hci_dev *hdev, int err)
+{
+ BT_DBG("%s err 0x%2.2x", hdev->name, err);
+
+ if (hdev->req_status == HCI_REQ_PEND) {
+ hdev->req_result = err;
+ hdev->req_status = HCI_REQ_CANCELED;
+ wake_up_interruptible(&hdev->req_wait_q);
+ }
+}
+
+struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u8 event, u32 timeout)
+{
+ DECLARE_WAITQUEUE(wait, current);
+ struct hci_request req;
+ struct sk_buff *skb;
+ int err = 0;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_req_init(&req, hdev);
+
+ hci_req_add_ev(&req, opcode, plen, param, event);
+
+ hdev->req_status = HCI_REQ_PEND;
+
+ add_wait_queue(&hdev->req_wait_q, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+
+ err = hci_req_run_skb(&req, hci_req_sync_complete);
+ if (err < 0) {
+ remove_wait_queue(&hdev->req_wait_q, &wait);
+ set_current_state(TASK_RUNNING);
+ return ERR_PTR(err);
+ }
+
+ schedule_timeout(timeout);
+
+ remove_wait_queue(&hdev->req_wait_q, &wait);
+
+ if (signal_pending(current))
+ return ERR_PTR(-EINTR);
+
+ switch (hdev->req_status) {
+ case HCI_REQ_DONE:
+ err = -bt_to_errno(hdev->req_result);
+ break;
+
+ case HCI_REQ_CANCELED:
+ err = -hdev->req_result;
+ break;
+
+ default:
+ err = -ETIMEDOUT;
+ break;
+ }
+
+ hdev->req_status = hdev->req_result = 0;
+ skb = hdev->req_skb;
+ hdev->req_skb = NULL;
+
+ BT_DBG("%s end: err %d", hdev->name, err);
+
+ if (err < 0) {
+ kfree_skb(skb);
+ return ERR_PTR(err);
+ }
+
+ if (!skb)
+ return ERR_PTR(-ENODATA);
+
+ return skb;
+}
+EXPORT_SYMBOL(__hci_cmd_sync_ev);
+
+struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u32 timeout)
+{
+ return __hci_cmd_sync_ev(hdev, opcode, plen, param, 0, timeout);
+}
+EXPORT_SYMBOL(__hci_cmd_sync);
+
+/* Execute request and wait for completion. */
+int __hci_req_sync(struct hci_dev *hdev, int (*func)(struct hci_request *req,
+ unsigned long opt),
+ unsigned long opt, u32 timeout, u8 *hci_status)
+{
+ struct hci_request req;
+ DECLARE_WAITQUEUE(wait, current);
+ int err = 0;
+
+ BT_DBG("%s start", hdev->name);
+
+ hci_req_init(&req, hdev);
+
+ hdev->req_status = HCI_REQ_PEND;
+
+ err = func(&req, opt);
+ if (err) {
+ if (hci_status)
+ *hci_status = HCI_ERROR_UNSPECIFIED;
+ return err;
+ }
+
+ add_wait_queue(&hdev->req_wait_q, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+
+ err = hci_req_run_skb(&req, hci_req_sync_complete);
+ if (err < 0) {
+ hdev->req_status = 0;
+
+ remove_wait_queue(&hdev->req_wait_q, &wait);
+ set_current_state(TASK_RUNNING);
+
+ /* ENODATA means the HCI request command queue is empty.
+ * This can happen when a request with conditionals doesn't
+ * trigger any commands to be sent. This is normal behavior
+ * and should not trigger an error return.
+ */
+ if (err == -ENODATA) {
+ if (hci_status)
+ *hci_status = 0;
+ return 0;
+ }
+
+ if (hci_status)
+ *hci_status = HCI_ERROR_UNSPECIFIED;
+
+ return err;
+ }
+
+ schedule_timeout(timeout);
+
+ remove_wait_queue(&hdev->req_wait_q, &wait);
+
+ if (signal_pending(current))
+ return -EINTR;
+
+ switch (hdev->req_status) {
+ case HCI_REQ_DONE:
+ err = -bt_to_errno(hdev->req_result);
+ if (hci_status)
+ *hci_status = hdev->req_result;
+ break;
+
+ case HCI_REQ_CANCELED:
+ err = -hdev->req_result;
+ if (hci_status)
+ *hci_status = HCI_ERROR_UNSPECIFIED;
+ break;
+
+ default:
+ err = -ETIMEDOUT;
+ if (hci_status)
+ *hci_status = HCI_ERROR_UNSPECIFIED;
+ break;
+ }
+
+ hdev->req_status = hdev->req_result = 0;
+
+ BT_DBG("%s end: err %d", hdev->name, err);
+
+ return err;
+}
+
+int hci_req_sync(struct hci_dev *hdev, int (*req)(struct hci_request *req,
+ unsigned long opt),
+ unsigned long opt, u32 timeout, u8 *hci_status)
+{
+ int ret;
+
+ if (!test_bit(HCI_UP, &hdev->flags))
+ return -ENETDOWN;
+
+ /* Serialize all requests */
+ hci_req_sync_lock(hdev);
+ ret = __hci_req_sync(hdev, req, opt, timeout, hci_status);
+ hci_req_sync_unlock(hdev);
+
+ return ret;
+}
+
struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param)
{
@@ -98,8 +303,8 @@
BT_DBG("skb len %d", skb->len);
- bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
- bt_cb(skb)->hci.opcode = opcode;
+ hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
+ hci_skb_opcode(skb) = opcode;
return skb;
}
@@ -128,7 +333,7 @@
}
if (skb_queue_empty(&req->cmd_q))
- bt_cb(skb)->hci.req_start = true;
+ bt_cb(skb)->hci.req_flags |= HCI_REQ_START;
bt_cb(skb)->hci.req_event = event;
@@ -476,7 +681,7 @@
*
* This function requires the caller holds hdev->lock.
*/
-void __hci_update_background_scan(struct hci_request *req)
+static void __hci_update_background_scan(struct hci_request *req)
{
struct hci_dev *hdev = req->hdev;
@@ -543,28 +748,6 @@
}
}
-static void update_background_scan_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
-{
- if (status)
- BT_DBG("HCI request failed to update background scanning: "
- "status 0x%2.2x", status);
-}
-
-void hci_update_background_scan(struct hci_dev *hdev)
-{
- int err;
- struct hci_request req;
-
- hci_req_init(&req, hdev);
-
- __hci_update_background_scan(&req);
-
- err = hci_req_run(&req, update_background_scan_complete);
- if (err && err != -ENODATA)
- BT_ERR("Failed to run HCI request: err %d", err);
-}
-
void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn,
u8 reason)
{
@@ -657,3 +840,446 @@
return 0;
}
+
+static int update_bg_scan(struct hci_request *req, unsigned long opt)
+{
+ hci_dev_lock(req->hdev);
+ __hci_update_background_scan(req);
+ hci_dev_unlock(req->hdev);
+ return 0;
+}
+
+static void bg_scan_update(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ bg_scan_update);
+ struct hci_conn *conn;
+ u8 status;
+ int err;
+
+ err = hci_req_sync(hdev, update_bg_scan, 0, HCI_CMD_TIMEOUT, &status);
+ if (!err)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
+ if (conn)
+ hci_le_conn_failed(conn, status);
+
+ hci_dev_unlock(hdev);
+}
+
+static int le_scan_disable(struct hci_request *req, unsigned long opt)
+{
+ hci_req_add_le_scan_disable(req);
+ return 0;
+}
+
+static int bredr_inquiry(struct hci_request *req, unsigned long opt)
+{
+ u8 length = opt;
+ /* General inquiry access code (GIAC) */
+ u8 lap[3] = { 0x33, 0x8b, 0x9e };
+ struct hci_cp_inquiry cp;
+
+ BT_DBG("%s", req->hdev->name);
+
+ hci_dev_lock(req->hdev);
+ hci_inquiry_cache_flush(req->hdev);
+ hci_dev_unlock(req->hdev);
+
+ memset(&cp, 0, sizeof(cp));
+ memcpy(&cp.lap, lap, sizeof(cp.lap));
+ cp.length = length;
+
+ hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
+
+ return 0;
+}
+
+static void le_scan_disable_work(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ le_scan_disable.work);
+ u8 status;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ return;
+
+ cancel_delayed_work(&hdev->le_scan_restart);
+
+ hci_req_sync(hdev, le_scan_disable, 0, HCI_CMD_TIMEOUT, &status);
+ if (status) {
+ BT_ERR("Failed to disable LE scan: status 0x%02x", status);
+ return;
+ }
+
+ hdev->discovery.scan_start = 0;
+
+ /* If we were running LE only scan, change discovery state. If
+ * we were running both LE and BR/EDR inquiry simultaneously,
+ * and BR/EDR inquiry is already finished, stop discovery,
+ * otherwise BR/EDR inquiry will stop discovery when finished.
+ * If we will resolve remote device name, do not change
+ * discovery state.
+ */
+
+ if (hdev->discovery.type == DISCOV_TYPE_LE)
+ goto discov_stopped;
+
+ if (hdev->discovery.type != DISCOV_TYPE_INTERLEAVED)
+ return;
+
+ if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) {
+ if (!test_bit(HCI_INQUIRY, &hdev->flags) &&
+ hdev->discovery.state != DISCOVERY_RESOLVING)
+ goto discov_stopped;
+
+ return;
+ }
+
+ hci_req_sync(hdev, bredr_inquiry, DISCOV_INTERLEAVED_INQUIRY_LEN,
+ HCI_CMD_TIMEOUT, &status);
+ if (status) {
+ BT_ERR("Inquiry failed: status 0x%02x", status);
+ goto discov_stopped;
+ }
+
+ return;
+
+discov_stopped:
+ hci_dev_lock(hdev);
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ hci_dev_unlock(hdev);
+}
+
+static int le_scan_restart(struct hci_request *req, unsigned long opt)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_le_set_scan_enable cp;
+
+ /* If controller is not scanning we are done. */
+ if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ return 0;
+
+ hci_req_add_le_scan_disable(req);
+
+ memset(&cp, 0, sizeof(cp));
+ cp.enable = LE_SCAN_ENABLE;
+ cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
+ hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp);
+
+ return 0;
+}
+
+static void le_scan_restart_work(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ le_scan_restart.work);
+ unsigned long timeout, duration, scan_start, now;
+ u8 status;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_req_sync(hdev, le_scan_restart, 0, HCI_CMD_TIMEOUT, &status);
+ if (status) {
+ BT_ERR("Failed to restart LE scan: status %d", status);
+ return;
+ }
+
+ hci_dev_lock(hdev);
+
+ if (!test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks) ||
+ !hdev->discovery.scan_start)
+ goto unlock;
+
+ /* When the scan was started, hdev->le_scan_disable has been queued
+ * after duration from scan_start. During scan restart this job
+ * has been canceled, and we need to queue it again after proper
+ * timeout, to make sure that scan does not run indefinitely.
+ */
+ duration = hdev->discovery.scan_duration;
+ scan_start = hdev->discovery.scan_start;
+ now = jiffies;
+ if (now - scan_start <= duration) {
+ int elapsed;
+
+ if (now >= scan_start)
+ elapsed = now - scan_start;
+ else
+ elapsed = ULONG_MAX - scan_start + now;
+
+ timeout = duration - elapsed;
+ } else {
+ timeout = 0;
+ }
+
+ queue_delayed_work(hdev->req_workqueue,
+ &hdev->le_scan_disable, timeout);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void cancel_adv_timeout(struct hci_dev *hdev)
+{
+ if (hdev->adv_instance_timeout) {
+ hdev->adv_instance_timeout = 0;
+ cancel_delayed_work(&hdev->adv_instance_expire);
+ }
+}
+
+static void disable_advertising(struct hci_request *req)
+{
+ u8 enable = 0x00;
+
+ hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
+}
+
+static int active_scan(struct hci_request *req, unsigned long opt)
+{
+ uint16_t interval = opt;
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_le_set_scan_param param_cp;
+ struct hci_cp_le_set_scan_enable enable_cp;
+ u8 own_addr_type;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
+ hci_dev_lock(hdev);
+
+ /* Don't let discovery abort an outgoing connection attempt
+ * that's using directed advertising.
+ */
+ if (hci_lookup_le_connect(hdev)) {
+ hci_dev_unlock(hdev);
+ return -EBUSY;
+ }
+
+ cancel_adv_timeout(hdev);
+ hci_dev_unlock(hdev);
+
+ disable_advertising(req);
+ }
+
+ /* If controller is scanning, it means the background scanning is
+ * running. Thus, we should temporarily stop it in order to set the
+ * discovery scanning parameters.
+ */
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ hci_req_add_le_scan_disable(req);
+
+ /* All active scans will be done with either a resolvable private
+ * address (when privacy feature has been enabled) or non-resolvable
+ * private address.
+ */
+ err = hci_update_random_address(req, true, &own_addr_type);
+ if (err < 0)
+ own_addr_type = ADDR_LE_DEV_PUBLIC;
+
+ memset(¶m_cp, 0, sizeof(param_cp));
+ param_cp.type = LE_SCAN_ACTIVE;
+ param_cp.interval = cpu_to_le16(interval);
+ param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
+ param_cp.own_address_type = own_addr_type;
+
+ hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
+ ¶m_cp);
+
+ memset(&enable_cp, 0, sizeof(enable_cp));
+ enable_cp.enable = LE_SCAN_ENABLE;
+ enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
+
+ hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
+ &enable_cp);
+
+ return 0;
+}
+
+static int interleaved_discov(struct hci_request *req, unsigned long opt)
+{
+ int err;
+
+ BT_DBG("%s", req->hdev->name);
+
+ err = active_scan(req, opt);
+ if (err)
+ return err;
+
+ return bredr_inquiry(req, DISCOV_BREDR_INQUIRY_LEN);
+}
+
+static void start_discovery(struct hci_dev *hdev, u8 *status)
+{
+ unsigned long timeout;
+
+ BT_DBG("%s type %u", hdev->name, hdev->discovery.type);
+
+ switch (hdev->discovery.type) {
+ case DISCOV_TYPE_BREDR:
+ if (!hci_dev_test_flag(hdev, HCI_INQUIRY))
+ hci_req_sync(hdev, bredr_inquiry,
+ DISCOV_BREDR_INQUIRY_LEN, HCI_CMD_TIMEOUT,
+ status);
+ return;
+ case DISCOV_TYPE_INTERLEAVED:
+ /* When running simultaneous discovery, the LE scanning time
+ * should occupy the whole discovery time sine BR/EDR inquiry
+ * and LE scanning are scheduled by the controller.
+ *
+ * For interleaving discovery in comparison, BR/EDR inquiry
+ * and LE scanning are done sequentially with separate
+ * timeouts.
+ */
+ if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
+ &hdev->quirks)) {
+ timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
+ /* During simultaneous discovery, we double LE scan
+ * interval. We must leave some time for the controller
+ * to do BR/EDR inquiry.
+ */
+ hci_req_sync(hdev, interleaved_discov,
+ DISCOV_LE_SCAN_INT * 2, HCI_CMD_TIMEOUT,
+ status);
+ break;
+ }
+
+ timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
+ hci_req_sync(hdev, active_scan, DISCOV_LE_SCAN_INT,
+ HCI_CMD_TIMEOUT, status);
+ break;
+ case DISCOV_TYPE_LE:
+ timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
+ hci_req_sync(hdev, active_scan, DISCOV_LE_SCAN_INT,
+ HCI_CMD_TIMEOUT, status);
+ break;
+ default:
+ *status = HCI_ERROR_UNSPECIFIED;
+ return;
+ }
+
+ if (*status)
+ return;
+
+ BT_DBG("%s timeout %u ms", hdev->name, jiffies_to_msecs(timeout));
+
+ /* When service discovery is used and the controller has a
+ * strict duplicate filter, it is important to remember the
+ * start and duration of the scan. This is required for
+ * restarting scanning during the discovery phase.
+ */
+ if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks) &&
+ hdev->discovery.result_filtering) {
+ hdev->discovery.scan_start = jiffies;
+ hdev->discovery.scan_duration = timeout;
+ }
+
+ queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_disable,
+ timeout);
+}
+
+bool hci_req_stop_discovery(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct discovery_state *d = &hdev->discovery;
+ struct hci_cp_remote_name_req_cancel cp;
+ struct inquiry_entry *e;
+ bool ret = false;
+
+ BT_DBG("%s state %u", hdev->name, hdev->discovery.state);
+
+ if (d->state == DISCOVERY_FINDING || d->state == DISCOVERY_STOPPING) {
+ if (test_bit(HCI_INQUIRY, &hdev->flags))
+ hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
+
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
+ cancel_delayed_work(&hdev->le_scan_disable);
+ hci_req_add_le_scan_disable(req);
+ }
+
+ ret = true;
+ } else {
+ /* Passive scanning */
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
+ hci_req_add_le_scan_disable(req);
+ ret = true;
+ }
+ }
+
+ /* No further actions needed for LE-only discovery */
+ if (d->type == DISCOV_TYPE_LE)
+ return ret;
+
+ if (d->state == DISCOVERY_RESOLVING || d->state == DISCOVERY_STOPPING) {
+ e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
+ NAME_PENDING);
+ if (!e)
+ return ret;
+
+ bacpy(&cp.bdaddr, &e->data.bdaddr);
+ hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
+ &cp);
+ ret = true;
+ }
+
+ return ret;
+}
+
+static int stop_discovery(struct hci_request *req, unsigned long opt)
+{
+ hci_dev_lock(req->hdev);
+ hci_req_stop_discovery(req);
+ hci_dev_unlock(req->hdev);
+
+ return 0;
+}
+
+static void discov_update(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ discov_update);
+ u8 status = 0;
+
+ switch (hdev->discovery.state) {
+ case DISCOVERY_STARTING:
+ start_discovery(hdev, &status);
+ mgmt_start_discovery_complete(hdev, status);
+ if (status)
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ else
+ hci_discovery_set_state(hdev, DISCOVERY_FINDING);
+ break;
+ case DISCOVERY_STOPPING:
+ hci_req_sync(hdev, stop_discovery, 0, HCI_CMD_TIMEOUT, &status);
+ mgmt_stop_discovery_complete(hdev, status);
+ if (!status)
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ break;
+ case DISCOVERY_STOPPED:
+ default:
+ return;
+ }
+}
+
+void hci_request_setup(struct hci_dev *hdev)
+{
+ INIT_WORK(&hdev->discov_update, discov_update);
+ INIT_WORK(&hdev->bg_scan_update, bg_scan_update);
+ INIT_DELAYED_WORK(&hdev->le_scan_disable, le_scan_disable_work);
+ INIT_DELAYED_WORK(&hdev->le_scan_restart, le_scan_restart_work);
+}
+
+void hci_request_cancel_all(struct hci_dev *hdev)
+{
+ hci_req_sync_cancel(hdev, ENODEV);
+
+ cancel_work_sync(&hdev->discov_update);
+ cancel_work_sync(&hdev->bg_scan_update);
+ cancel_delayed_work_sync(&hdev->le_scan_disable);
+ cancel_delayed_work_sync(&hdev->le_scan_restart);
+}
diff --git a/net/bluetooth/hci_request.h b/net/bluetooth/hci_request.h
index 25c7f13..6b9e59f 100644
--- a/net/bluetooth/hci_request.h
+++ b/net/bluetooth/hci_request.h
@@ -20,6 +20,9 @@
SOFTWARE IS DISCLAIMED.
*/
+#define hci_req_sync_lock(hdev) mutex_lock(&hdev->req_lock)
+#define hci_req_sync_unlock(hdev) mutex_unlock(&hdev->req_lock)
+
struct hci_request {
struct hci_dev *hdev;
struct sk_buff_head cmd_q;
@@ -41,21 +44,37 @@
hci_req_complete_t *req_complete,
hci_req_complete_skb_t *req_complete_skb);
+int hci_req_sync(struct hci_dev *hdev, int (*req)(struct hci_request *req,
+ unsigned long opt),
+ unsigned long opt, u32 timeout, u8 *hci_status);
+int __hci_req_sync(struct hci_dev *hdev, int (*func)(struct hci_request *req,
+ unsigned long opt),
+ unsigned long opt, u32 timeout, u8 *hci_status);
+void hci_req_sync_cancel(struct hci_dev *hdev, int err);
+
struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param);
void hci_req_add_le_scan_disable(struct hci_request *req);
void hci_req_add_le_passive_scan(struct hci_request *req);
+/* Returns true if HCI commands were queued */
+bool hci_req_stop_discovery(struct hci_request *req);
+
void hci_update_page_scan(struct hci_dev *hdev);
void __hci_update_page_scan(struct hci_request *req);
int hci_update_random_address(struct hci_request *req, bool require_privacy,
u8 *own_addr_type);
-void hci_update_background_scan(struct hci_dev *hdev);
-void __hci_update_background_scan(struct hci_request *req);
-
int hci_abort_conn(struct hci_conn *conn, u8 reason);
void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn,
u8 reason);
+
+static inline void hci_update_background_scan(struct hci_dev *hdev)
+{
+ queue_work(hdev->req_workqueue, &hdev->bg_scan_update);
+}
+
+void hci_request_setup(struct hci_dev *hdev);
+void hci_request_cancel_all(struct hci_dev *hdev);
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index b1eb8c0..41f579b 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -26,6 +26,8 @@
#include <linux/export.h>
#include <asm/unaligned.h>
+#include <generated/compile.h>
+#include <generated/utsrelease.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -120,13 +122,13 @@
/* Apply filter */
flt = &hci_pi(sk)->filter;
- flt_type = bt_cb(skb)->pkt_type & HCI_FLT_TYPE_BITS;
+ flt_type = hci_skb_pkt_type(skb) & HCI_FLT_TYPE_BITS;
if (!test_bit(flt_type, &flt->type_mask))
return true;
/* Extra filter for event packets only */
- if (bt_cb(skb)->pkt_type != HCI_EVENT_PKT)
+ if (hci_skb_pkt_type(skb) != HCI_EVENT_PKT)
return false;
flt_event = (*(__u8 *)skb->data & HCI_FLT_EVENT_BITS);
@@ -170,19 +172,19 @@
continue;
if (hci_pi(sk)->channel == HCI_CHANNEL_RAW) {
- if (bt_cb(skb)->pkt_type != HCI_COMMAND_PKT &&
- bt_cb(skb)->pkt_type != HCI_EVENT_PKT &&
- bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT &&
- bt_cb(skb)->pkt_type != HCI_SCODATA_PKT)
+ if (hci_skb_pkt_type(skb) != HCI_COMMAND_PKT &&
+ hci_skb_pkt_type(skb) != HCI_EVENT_PKT &&
+ hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT &&
+ hci_skb_pkt_type(skb) != HCI_SCODATA_PKT)
continue;
if (is_filtered_packet(sk, skb))
continue;
} else if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {
if (!bt_cb(skb)->incoming)
continue;
- if (bt_cb(skb)->pkt_type != HCI_EVENT_PKT &&
- bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT &&
- bt_cb(skb)->pkt_type != HCI_SCODATA_PKT)
+ if (hci_skb_pkt_type(skb) != HCI_EVENT_PKT &&
+ hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT &&
+ hci_skb_pkt_type(skb) != HCI_SCODATA_PKT)
continue;
} else {
/* Don't send frame to other channel types */
@@ -196,7 +198,7 @@
continue;
/* Put type byte before the data */
- memcpy(skb_push(skb_copy, 1), &bt_cb(skb)->pkt_type, 1);
+ memcpy(skb_push(skb_copy, 1), &hci_skb_pkt_type(skb), 1);
}
nskb = skb_clone(skb_copy, GFP_ATOMIC);
@@ -262,7 +264,7 @@
BT_DBG("hdev %p len %d", hdev, skb->len);
- switch (bt_cb(skb)->pkt_type) {
+ switch (hci_skb_pkt_type(skb)) {
case HCI_COMMAND_PKT:
opcode = cpu_to_le16(HCI_MON_COMMAND_PKT);
break;
@@ -294,7 +296,7 @@
return;
/* Put header before the data */
- hdr = (void *) skb_push(skb_copy, HCI_MON_HDR_SIZE);
+ hdr = (void *)skb_push(skb_copy, HCI_MON_HDR_SIZE);
hdr->opcode = opcode;
hdr->index = cpu_to_le16(hdev->id);
hdr->len = cpu_to_le16(skb->len);
@@ -375,7 +377,7 @@
__net_timestamp(skb);
- hdr = (void *) skb_push(skb, HCI_MON_HDR_SIZE);
+ hdr = (void *)skb_push(skb, HCI_MON_HDR_SIZE);
hdr->opcode = opcode;
hdr->index = cpu_to_le16(hdev->id);
hdr->len = cpu_to_le16(skb->len - HCI_MON_HDR_SIZE);
@@ -383,6 +385,29 @@
return skb;
}
+static void send_monitor_note(struct sock *sk, const char *text)
+{
+ size_t len = strlen(text);
+ struct hci_mon_hdr *hdr;
+ struct sk_buff *skb;
+
+ skb = bt_skb_alloc(len + 1, GFP_ATOMIC);
+ if (!skb)
+ return;
+
+ strcpy(skb_put(skb, len + 1), text);
+
+ __net_timestamp(skb);
+
+ hdr = (void *)skb_push(skb, HCI_MON_HDR_SIZE);
+ hdr->opcode = cpu_to_le16(HCI_MON_SYSTEM_NOTE);
+ hdr->index = cpu_to_le16(HCI_DEV_NONE);
+ hdr->len = cpu_to_le16(skb->len - HCI_MON_HDR_SIZE);
+
+ if (sock_queue_rcv_skb(sk, skb))
+ kfree_skb(skb);
+}
+
static void send_monitor_replay(struct sock *sk)
{
struct hci_dev *hdev;
@@ -436,18 +461,18 @@
if (!skb)
return;
- hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
+ hdr = (void *)skb_put(skb, HCI_EVENT_HDR_SIZE);
hdr->evt = HCI_EV_STACK_INTERNAL;
hdr->plen = sizeof(*ev) + dlen;
- ev = (void *) skb_put(skb, sizeof(*ev) + dlen);
+ ev = (void *)skb_put(skb, sizeof(*ev) + dlen);
ev->type = type;
memcpy(ev->data, data, dlen);
bt_cb(skb)->incoming = 1;
__net_timestamp(skb);
- bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
+ hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
hci_send_to_sock(hdev, skb);
kfree_skb(skb);
}
@@ -653,20 +678,20 @@
return -EOPNOTSUPP;
case HCIGETCONNINFO:
- return hci_get_conn_info(hdev, (void __user *) arg);
+ return hci_get_conn_info(hdev, (void __user *)arg);
case HCIGETAUTHINFO:
- return hci_get_auth_info(hdev, (void __user *) arg);
+ return hci_get_auth_info(hdev, (void __user *)arg);
case HCIBLOCKADDR:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- return hci_sock_blacklist_add(hdev, (void __user *) arg);
+ return hci_sock_blacklist_add(hdev, (void __user *)arg);
case HCIUNBLOCKADDR:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- return hci_sock_blacklist_del(hdev, (void __user *) arg);
+ return hci_sock_blacklist_del(hdev, (void __user *)arg);
}
return -ENOIOCTLCMD;
@@ -675,7 +700,7 @@
static int hci_sock_ioctl(struct socket *sock, unsigned int cmd,
unsigned long arg)
{
- void __user *argp = (void __user *) arg;
+ void __user *argp = (void __user *)arg;
struct sock *sk = sock->sk;
int err;
@@ -872,11 +897,27 @@
*/
hci_sock_set_flag(sk, HCI_SOCK_TRUSTED);
+ send_monitor_note(sk, "Linux version " UTS_RELEASE
+ " (" UTS_MACHINE ")");
+ send_monitor_note(sk, "Bluetooth subsystem version "
+ BT_SUBSYS_VERSION);
send_monitor_replay(sk);
atomic_inc(&monitor_promisc);
break;
+ case HCI_CHANNEL_LOGGING:
+ if (haddr.hci_dev != HCI_DEV_NONE) {
+ err = -EINVAL;
+ goto done;
+ }
+
+ if (!capable(CAP_NET_ADMIN)) {
+ err = -EPERM;
+ goto done;
+ }
+ break;
+
default:
if (!hci_mgmt_chan_find(haddr.hci_channel)) {
err = -EINVAL;
@@ -926,7 +967,7 @@
static int hci_sock_getname(struct socket *sock, struct sockaddr *addr,
int *addr_len, int peer)
{
- struct sockaddr_hci *haddr = (struct sockaddr_hci *) addr;
+ struct sockaddr_hci *haddr = (struct sockaddr_hci *)addr;
struct sock *sk = sock->sk;
struct hci_dev *hdev;
int err = 0;
@@ -991,8 +1032,8 @@
}
}
-static int hci_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
- int flags)
+static int hci_sock_recvmsg(struct socket *sock, struct msghdr *msg,
+ size_t len, int flags)
{
int noblock = flags & MSG_DONTWAIT;
struct sock *sk = sock->sk;
@@ -1004,6 +1045,9 @@
if (flags & MSG_OOB)
return -EOPNOTSUPP;
+ if (hci_pi(sk)->channel == HCI_CHANNEL_LOGGING)
+ return -EOPNOTSUPP;
+
if (sk->sk_state == BT_CLOSED)
return 0;
@@ -1150,6 +1194,90 @@
return err;
}
+static int hci_logging_frame(struct sock *sk, struct msghdr *msg, int len)
+{
+ struct hci_mon_hdr *hdr;
+ struct sk_buff *skb;
+ struct hci_dev *hdev;
+ u16 index;
+ int err;
+
+ /* The logging frame consists at minimum of the standard header,
+ * the priority byte, the ident length byte and at least one string
+ * terminator NUL byte. Anything shorter are invalid packets.
+ */
+ if (len < sizeof(*hdr) + 3)
+ return -EINVAL;
+
+ skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err);
+ if (!skb)
+ return err;
+
+ if (memcpy_from_msg(skb_put(skb, len), msg, len)) {
+ err = -EFAULT;
+ goto drop;
+ }
+
+ hdr = (void *)skb->data;
+
+ if (__le16_to_cpu(hdr->len) != len - sizeof(*hdr)) {
+ err = -EINVAL;
+ goto drop;
+ }
+
+ if (__le16_to_cpu(hdr->opcode) == 0x0000) {
+ __u8 priority = skb->data[sizeof(*hdr)];
+ __u8 ident_len = skb->data[sizeof(*hdr) + 1];
+
+ /* Only the priorities 0-7 are valid and with that any other
+ * value results in an invalid packet.
+ *
+ * The priority byte is followed by an ident length byte and
+ * the NUL terminated ident string. Check that the ident
+ * length is not overflowing the packet and also that the
+ * ident string itself is NUL terminated. In case the ident
+ * length is zero, the length value actually doubles as NUL
+ * terminator identifier.
+ *
+ * The message follows the ident string (if present) and
+ * must be NUL terminated. Otherwise it is not a valid packet.
+ */
+ if (priority > 7 || skb->data[len - 1] != 0x00 ||
+ ident_len > len - sizeof(*hdr) - 3 ||
+ skb->data[sizeof(*hdr) + ident_len + 1] != 0x00) {
+ err = -EINVAL;
+ goto drop;
+ }
+ } else {
+ err = -EINVAL;
+ goto drop;
+ }
+
+ index = __le16_to_cpu(hdr->index);
+
+ if (index != MGMT_INDEX_NONE) {
+ hdev = hci_dev_get(index);
+ if (!hdev) {
+ err = -ENODEV;
+ goto drop;
+ }
+ } else {
+ hdev = NULL;
+ }
+
+ hdr->opcode = cpu_to_le16(HCI_MON_USER_LOGGING);
+
+ hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL);
+ err = len;
+
+ if (hdev)
+ hci_dev_put(hdev);
+
+drop:
+ kfree_skb(skb);
+ return err;
+}
+
static int hci_sock_sendmsg(struct socket *sock, struct msghdr *msg,
size_t len)
{
@@ -1179,6 +1307,9 @@
case HCI_CHANNEL_MONITOR:
err = -EOPNOTSUPP;
goto done;
+ case HCI_CHANNEL_LOGGING:
+ err = hci_logging_frame(sk, msg, len);
+ goto done;
default:
mutex_lock(&mgmt_chan_list_lock);
chan = __hci_mgmt_chan_find(hci_pi(sk)->channel);
@@ -1211,7 +1342,7 @@
goto drop;
}
- bt_cb(skb)->pkt_type = *((unsigned char *) skb->data);
+ hci_skb_pkt_type(skb) = skb->data[0];
skb_pull(skb, 1);
if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {
@@ -1220,16 +1351,16 @@
*
* However check that the packet type is valid.
*/
- if (bt_cb(skb)->pkt_type != HCI_COMMAND_PKT &&
- bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT &&
- bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) {
+ if (hci_skb_pkt_type(skb) != HCI_COMMAND_PKT &&
+ hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT &&
+ hci_skb_pkt_type(skb) != HCI_SCODATA_PKT) {
err = -EINVAL;
goto drop;
}
skb_queue_tail(&hdev->raw_q, skb);
queue_work(hdev->workqueue, &hdev->tx_work);
- } else if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) {
+ } else if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT) {
u16 opcode = get_unaligned_le16(skb->data);
u16 ogf = hci_opcode_ogf(opcode);
u16 ocf = hci_opcode_ocf(opcode);
@@ -1242,6 +1373,11 @@
goto drop;
}
+ /* Since the opcode has already been extracted here, store
+ * a copy of the value for later use by the drivers.
+ */
+ hci_skb_opcode(skb) = opcode;
+
if (ogf == 0x3f) {
skb_queue_tail(&hdev->raw_q, skb);
queue_work(hdev->workqueue, &hdev->tx_work);
@@ -1249,7 +1385,7 @@
/* Stand-alone HCI commands must be flagged as
* single-command requests.
*/
- bt_cb(skb)->hci.req_start = true;
+ bt_cb(skb)->hci.req_flags |= HCI_REQ_START;
skb_queue_tail(&hdev->cmd_q, skb);
queue_work(hdev->workqueue, &hdev->cmd_work);
@@ -1260,8 +1396,8 @@
goto drop;
}
- if (bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT &&
- bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) {
+ if (hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT &&
+ hci_skb_pkt_type(skb) != HCI_SCODATA_PKT) {
err = -EINVAL;
goto drop;
}
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 66e8b6e..39a5149 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -6538,8 +6538,6 @@
static int l2cap_stream_rx(struct l2cap_chan *chan, struct l2cap_ctrl *control,
struct sk_buff *skb)
{
- int err = 0;
-
BT_DBG("chan %p, control %p, skb %p, state %d", chan, control, skb,
chan->rx_state);
@@ -6570,7 +6568,7 @@
chan->last_acked_seq = control->txseq;
chan->expected_tx_seq = __next_seq(chan, control->txseq);
- return err;
+ return 0;
}
static int l2cap_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb)
@@ -7113,8 +7111,6 @@
chan->dcid = cid;
if (bdaddr_type_is_le(dst_type)) {
- u8 role;
-
/* Convert from L2CAP channel address type to HCI address type
*/
if (dst_type == BDADDR_LE_PUBLIC)
@@ -7123,14 +7119,15 @@
dst_type = ADDR_LE_DEV_RANDOM;
if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
- role = HCI_ROLE_SLAVE;
+ hcon = hci_connect_le(hdev, dst, dst_type,
+ chan->sec_level,
+ HCI_LE_CONN_TIMEOUT,
+ HCI_ROLE_SLAVE);
else
- role = HCI_ROLE_MASTER;
+ hcon = hci_connect_le_scan(hdev, dst, dst_type,
+ chan->sec_level,
+ HCI_LE_CONN_TIMEOUT);
- hcon = hci_connect_le_scan(hdev, dst, dst_type,
- chan->sec_level,
- HCI_LE_CONN_TIMEOUT,
- role);
} else {
u8 auth_type = l2cap_get_auth_type(chan);
hcon = hci_connect_acl(hdev, dst, chan->sec_level, auth_type);
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 7f22119..3d9d2e4 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -38,7 +38,7 @@
#include "mgmt_util.h"
#define MGMT_VERSION 1
-#define MGMT_REVISION 10
+#define MGMT_REVISION 11
static const u16 mgmt_commands[] = {
MGMT_OP_READ_INDEX_LIST,
@@ -102,6 +102,7 @@
MGMT_OP_READ_ADV_FEATURES,
MGMT_OP_ADD_ADVERTISING,
MGMT_OP_REMOVE_ADVERTISING,
+ MGMT_OP_GET_ADV_SIZE_INFO,
};
static const u16 mgmt_events[] = {
@@ -1416,49 +1417,6 @@
}
}
-static bool hci_stop_discovery(struct hci_request *req)
-{
- struct hci_dev *hdev = req->hdev;
- struct hci_cp_remote_name_req_cancel cp;
- struct inquiry_entry *e;
-
- switch (hdev->discovery.state) {
- case DISCOVERY_FINDING:
- if (test_bit(HCI_INQUIRY, &hdev->flags))
- hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
-
- if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
- cancel_delayed_work(&hdev->le_scan_disable);
- hci_req_add_le_scan_disable(req);
- }
-
- return true;
-
- case DISCOVERY_RESOLVING:
- e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
- NAME_PENDING);
- if (!e)
- break;
-
- bacpy(&cp.bdaddr, &e->data.bdaddr);
- hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
- &cp);
-
- return true;
-
- default:
- /* Passive scanning */
- if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
- hci_req_add_le_scan_disable(req);
- return true;
- }
-
- break;
- }
-
- return false;
-}
-
static void advertising_added(struct sock *sk, struct hci_dev *hdev,
u8 instance)
{
@@ -1636,7 +1594,7 @@
if (hci_dev_test_flag(hdev, HCI_LE_ADV))
disable_advertising(&req);
- discov_stopped = hci_stop_discovery(&req);
+ discov_stopped = hci_req_stop_discovery(&req);
list_for_each_entry(conn, &hdev->conn_hash.list, list) {
/* 0x15 == Terminated due to Power Off */
@@ -2510,8 +2468,8 @@
hci_req_init(&req, hdev);
update_adv_data(&req);
update_scan_rsp_data(&req);
- __hci_update_background_scan(&req);
hci_req_run(&req, NULL);
+ hci_update_background_scan(hdev);
}
unlock:
@@ -3561,8 +3519,7 @@
conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
addr_type, sec_level,
- HCI_LE_CONN_TIMEOUT,
- HCI_ROLE_MASTER);
+ HCI_LE_CONN_TIMEOUT);
}
if (IS_ERR(conn)) {
@@ -4164,145 +4121,9 @@
return err;
}
-static bool trigger_bredr_inquiry(struct hci_request *req, u8 *status)
-{
- struct hci_dev *hdev = req->hdev;
- struct hci_cp_inquiry cp;
- /* General inquiry access code (GIAC) */
- u8 lap[3] = { 0x33, 0x8b, 0x9e };
-
- *status = mgmt_bredr_support(hdev);
- if (*status)
- return false;
-
- if (hci_dev_test_flag(hdev, HCI_INQUIRY)) {
- *status = MGMT_STATUS_BUSY;
- return false;
- }
-
- hci_inquiry_cache_flush(hdev);
-
- memset(&cp, 0, sizeof(cp));
- memcpy(&cp.lap, lap, sizeof(cp.lap));
- cp.length = DISCOV_BREDR_INQUIRY_LEN;
-
- hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
-
- return true;
-}
-
-static bool trigger_le_scan(struct hci_request *req, u16 interval, u8 *status)
-{
- struct hci_dev *hdev = req->hdev;
- struct hci_cp_le_set_scan_param param_cp;
- struct hci_cp_le_set_scan_enable enable_cp;
- u8 own_addr_type;
- int err;
-
- *status = mgmt_le_support(hdev);
- if (*status)
- return false;
-
- if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
- /* Don't let discovery abort an outgoing connection attempt
- * that's using directed advertising.
- */
- if (hci_lookup_le_connect(hdev)) {
- *status = MGMT_STATUS_REJECTED;
- return false;
- }
-
- cancel_adv_timeout(hdev);
- disable_advertising(req);
- }
-
- /* If controller is scanning, it means the background scanning is
- * running. Thus, we should temporarily stop it in order to set the
- * discovery scanning parameters.
- */
- if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
- hci_req_add_le_scan_disable(req);
-
- /* All active scans will be done with either a resolvable private
- * address (when privacy feature has been enabled) or non-resolvable
- * private address.
- */
- err = hci_update_random_address(req, true, &own_addr_type);
- if (err < 0) {
- *status = MGMT_STATUS_FAILED;
- return false;
- }
-
- memset(¶m_cp, 0, sizeof(param_cp));
- param_cp.type = LE_SCAN_ACTIVE;
- param_cp.interval = cpu_to_le16(interval);
- param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
- param_cp.own_address_type = own_addr_type;
-
- hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
- ¶m_cp);
-
- memset(&enable_cp, 0, sizeof(enable_cp));
- enable_cp.enable = LE_SCAN_ENABLE;
- enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
-
- hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
- &enable_cp);
-
- return true;
-}
-
-static bool trigger_discovery(struct hci_request *req, u8 *status)
-{
- struct hci_dev *hdev = req->hdev;
-
- switch (hdev->discovery.type) {
- case DISCOV_TYPE_BREDR:
- if (!trigger_bredr_inquiry(req, status))
- return false;
- break;
-
- case DISCOV_TYPE_INTERLEAVED:
- if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
- &hdev->quirks)) {
- /* During simultaneous discovery, we double LE scan
- * interval. We must leave some time for the controller
- * to do BR/EDR inquiry.
- */
- if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT * 2,
- status))
- return false;
-
- if (!trigger_bredr_inquiry(req, status))
- return false;
-
- return true;
- }
-
- if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
- *status = MGMT_STATUS_NOT_SUPPORTED;
- return false;
- }
- /* fall through */
-
- case DISCOV_TYPE_LE:
- if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT, status))
- return false;
- break;
-
- default:
- *status = MGMT_STATUS_INVALID_PARAMS;
- return false;
- }
-
- return true;
-}
-
-static void start_discovery_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
+void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status)
{
struct mgmt_pending_cmd *cmd;
- unsigned long timeout;
BT_DBG("status %d", status);
@@ -4317,62 +4138,34 @@
mgmt_pending_remove(cmd);
}
- if (status) {
- hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
- goto unlock;
- }
+ hci_dev_unlock(hdev);
+}
- hci_discovery_set_state(hdev, DISCOVERY_FINDING);
-
- /* If the scan involves LE scan, pick proper timeout to schedule
- * hdev->le_scan_disable that will stop it.
- */
- switch (hdev->discovery.type) {
+static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type,
+ uint8_t *mgmt_status)
+{
+ switch (type) {
case DISCOV_TYPE_LE:
- timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
+ *mgmt_status = mgmt_le_support(hdev);
+ if (*mgmt_status)
+ return false;
break;
case DISCOV_TYPE_INTERLEAVED:
- /* When running simultaneous discovery, the LE scanning time
- * should occupy the whole discovery time sine BR/EDR inquiry
- * and LE scanning are scheduled by the controller.
- *
- * For interleaving discovery in comparison, BR/EDR inquiry
- * and LE scanning are done sequentially with separate
- * timeouts.
- */
- if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
- timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
- else
- timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
- break;
+ *mgmt_status = mgmt_le_support(hdev);
+ if (*mgmt_status)
+ return false;
+ /* Intentional fall-through */
case DISCOV_TYPE_BREDR:
- timeout = 0;
+ *mgmt_status = mgmt_bredr_support(hdev);
+ if (*mgmt_status)
+ return false;
break;
default:
- BT_ERR("Invalid discovery type %d", hdev->discovery.type);
- timeout = 0;
- break;
+ *mgmt_status = MGMT_STATUS_INVALID_PARAMS;
+ return false;
}
- if (timeout) {
- /* When service discovery is used and the controller has
- * a strict duplicate filter, it is important to remember
- * the start and duration of the scan. This is required
- * for restarting scanning during the discovery phase.
- */
- if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER,
- &hdev->quirks) &&
- hdev->discovery.result_filtering) {
- hdev->discovery.scan_start = jiffies;
- hdev->discovery.scan_duration = timeout;
- }
-
- queue_delayed_work(hdev->workqueue,
- &hdev->le_scan_disable, timeout);
- }
-
-unlock:
- hci_dev_unlock(hdev);
+ return true;
}
static int start_discovery(struct sock *sk, struct hci_dev *hdev,
@@ -4380,7 +4173,6 @@
{
struct mgmt_cp_start_discovery *cp = data;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
u8 status;
int err;
@@ -4403,14 +4195,12 @@
goto failed;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
- if (!cmd) {
- err = -ENOMEM;
+ if (!discovery_type_is_valid(hdev, cp->type, &status)) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
+ status, &cp->type, sizeof(cp->type));
goto failed;
}
- cmd->cmd_complete = generic_cmd_complete;
-
/* Clear the discovery filter first to free any previously
* allocated memory for the UUID list.
*/
@@ -4419,22 +4209,17 @@
hdev->discovery.type = cp->type;
hdev->discovery.report_invalid_rssi = false;
- hci_req_init(&req, hdev);
-
- if (!trigger_discovery(&req, &status)) {
- err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
- status, &cp->type, sizeof(cp->type));
- mgmt_pending_remove(cmd);
+ cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
+ if (!cmd) {
+ err = -ENOMEM;
goto failed;
}
- err = hci_req_run(&req, start_discovery_complete);
- if (err < 0) {
- mgmt_pending_remove(cmd);
- goto failed;
- }
+ cmd->cmd_complete = generic_cmd_complete;
hci_discovery_set_state(hdev, DISCOVERY_STARTING);
+ queue_work(hdev->req_workqueue, &hdev->discov_update);
+ err = 0;
failed:
hci_dev_unlock(hdev);
@@ -4453,7 +4238,6 @@
{
struct mgmt_cp_start_service_discovery *cp = data;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
u16 uuid_count, expected_len;
u8 status;
@@ -4502,6 +4286,13 @@
goto failed;
}
+ if (!discovery_type_is_valid(hdev, cp->type, &status)) {
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ status, &cp->type, sizeof(cp->type));
+ goto failed;
+ }
+
cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
hdev, data, len);
if (!cmd) {
@@ -4534,30 +4325,16 @@
}
}
- hci_req_init(&req, hdev);
-
- if (!trigger_discovery(&req, &status)) {
- err = mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_START_SERVICE_DISCOVERY,
- status, &cp->type, sizeof(cp->type));
- mgmt_pending_remove(cmd);
- goto failed;
- }
-
- err = hci_req_run(&req, start_discovery_complete);
- if (err < 0) {
- mgmt_pending_remove(cmd);
- goto failed;
- }
-
hci_discovery_set_state(hdev, DISCOVERY_STARTING);
+ queue_work(hdev->req_workqueue, &hdev->discov_update);
+ err = 0;
failed:
hci_dev_unlock(hdev);
return err;
}
-static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status)
{
struct mgmt_pending_cmd *cmd;
@@ -4571,9 +4348,6 @@
mgmt_pending_remove(cmd);
}
- if (!status)
- hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
-
hci_dev_unlock(hdev);
}
@@ -4582,7 +4356,6 @@
{
struct mgmt_cp_stop_discovery *mgmt_cp = data;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
BT_DBG("%s", hdev->name);
@@ -4611,24 +4384,9 @@
cmd->cmd_complete = generic_cmd_complete;
- hci_req_init(&req, hdev);
-
- hci_stop_discovery(&req);
-
- err = hci_req_run(&req, stop_discovery_complete);
- if (!err) {
- hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
- goto unlock;
- }
-
- mgmt_pending_remove(cmd);
-
- /* If no HCI commands were sent we're done */
- if (err == -ENODATA) {
- err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
- &mgmt_cp->type, sizeof(mgmt_cp->type));
- hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
- }
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
+ queue_work(hdev->req_workqueue, &hdev->discov_update);
+ err = 0;
unlock:
hci_dev_unlock(hdev);
@@ -6076,10 +5834,9 @@
}
/* This function requires the caller holds hdev->lock */
-static int hci_conn_params_set(struct hci_request *req, bdaddr_t *addr,
+static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr,
u8 addr_type, u8 auto_connect)
{
- struct hci_dev *hdev = req->hdev;
struct hci_conn_params *params;
params = hci_conn_params_add(hdev, addr, addr_type);
@@ -6099,26 +5856,17 @@
*/
if (params->explicit_connect)
list_add(¶ms->action, &hdev->pend_le_conns);
-
- __hci_update_background_scan(req);
break;
case HCI_AUTO_CONN_REPORT:
if (params->explicit_connect)
list_add(¶ms->action, &hdev->pend_le_conns);
else
list_add(¶ms->action, &hdev->pend_le_reports);
- __hci_update_background_scan(req);
break;
case HCI_AUTO_CONN_DIRECT:
case HCI_AUTO_CONN_ALWAYS:
- if (!is_connected(hdev, addr, addr_type)) {
+ if (!is_connected(hdev, addr, addr_type))
list_add(¶ms->action, &hdev->pend_le_conns);
- /* If we are in scan phase of connecting, we were
- * already added to pend_le_conns and scanning.
- */
- if (params->auto_connect != HCI_AUTO_CONN_EXPLICIT)
- __hci_update_background_scan(req);
- }
break;
}
@@ -6142,31 +5890,10 @@
mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
}
-static void add_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
-{
- struct mgmt_pending_cmd *cmd;
-
- BT_DBG("status 0x%02x", status);
-
- hci_dev_lock(hdev);
-
- cmd = pending_find(MGMT_OP_ADD_DEVICE, hdev);
- if (!cmd)
- goto unlock;
-
- cmd->cmd_complete(cmd, mgmt_status(status));
- mgmt_pending_remove(cmd);
-
-unlock:
- hci_dev_unlock(hdev);
-}
-
static int add_device(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
struct mgmt_cp_add_device *cp = data;
- struct mgmt_pending_cmd *cmd;
- struct hci_request req;
u8 auto_conn, addr_type;
int err;
@@ -6183,24 +5910,15 @@
MGMT_STATUS_INVALID_PARAMS,
&cp->addr, sizeof(cp->addr));
- hci_req_init(&req, hdev);
-
hci_dev_lock(hdev);
- cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
- if (!cmd) {
- err = -ENOMEM;
- goto unlock;
- }
-
- cmd->cmd_complete = addr_cmd_complete;
-
if (cp->addr.type == BDADDR_BREDR) {
/* Only incoming connections action is supported for now */
if (cp->action != 0x01) {
- err = cmd->cmd_complete(cmd,
- MGMT_STATUS_INVALID_PARAMS);
- mgmt_pending_remove(cmd);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
goto unlock;
}
@@ -6209,7 +5927,7 @@
if (err)
goto unlock;
- __hci_update_page_scan(&req);
+ hci_update_page_scan(hdev);
goto added;
}
@@ -6229,33 +5947,31 @@
* hci_conn_params_lookup.
*/
if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
- err = cmd->cmd_complete(cmd, MGMT_STATUS_INVALID_PARAMS);
- mgmt_pending_remove(cmd);
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
goto unlock;
}
/* If the connection parameters don't exist for this device,
* they will be created and configured with defaults.
*/
- if (hci_conn_params_set(&req, &cp->addr.bdaddr, addr_type,
+ if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
auto_conn) < 0) {
- err = cmd->cmd_complete(cmd, MGMT_STATUS_FAILED);
- mgmt_pending_remove(cmd);
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_FAILED, &cp->addr,
+ sizeof(cp->addr));
goto unlock;
}
+ hci_update_background_scan(hdev);
+
added:
device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
- err = hci_req_run(&req, add_device_complete);
- if (err < 0) {
- /* ENODATA means no HCI commands were needed (e.g. if
- * the adapter is powered off).
- */
- if (err == -ENODATA)
- err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
- mgmt_pending_remove(cmd);
- }
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+ MGMT_STATUS_SUCCESS, &cp->addr,
+ sizeof(cp->addr));
unlock:
hci_dev_unlock(hdev);
@@ -6273,55 +5989,25 @@
mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
}
-static void remove_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
-{
- struct mgmt_pending_cmd *cmd;
-
- BT_DBG("status 0x%02x", status);
-
- hci_dev_lock(hdev);
-
- cmd = pending_find(MGMT_OP_REMOVE_DEVICE, hdev);
- if (!cmd)
- goto unlock;
-
- cmd->cmd_complete(cmd, mgmt_status(status));
- mgmt_pending_remove(cmd);
-
-unlock:
- hci_dev_unlock(hdev);
-}
-
static int remove_device(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
struct mgmt_cp_remove_device *cp = data;
- struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
BT_DBG("%s", hdev->name);
- hci_req_init(&req, hdev);
-
hci_dev_lock(hdev);
- cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_DEVICE, hdev, data, len);
- if (!cmd) {
- err = -ENOMEM;
- goto unlock;
- }
-
- cmd->cmd_complete = addr_cmd_complete;
-
if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
struct hci_conn_params *params;
u8 addr_type;
if (!bdaddr_type_is_valid(cp->addr.type)) {
- err = cmd->cmd_complete(cmd,
- MGMT_STATUS_INVALID_PARAMS);
- mgmt_pending_remove(cmd);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
goto unlock;
}
@@ -6330,13 +6016,15 @@
&cp->addr.bdaddr,
cp->addr.type);
if (err) {
- err = cmd->cmd_complete(cmd,
- MGMT_STATUS_INVALID_PARAMS);
- mgmt_pending_remove(cmd);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr,
+ sizeof(cp->addr));
goto unlock;
}
- __hci_update_page_scan(&req);
+ hci_update_page_scan(hdev);
device_removed(sk, hdev, &cp->addr.bdaddr,
cp->addr.type);
@@ -6351,33 +6039,36 @@
* hci_conn_params_lookup.
*/
if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
- err = cmd->cmd_complete(cmd,
- MGMT_STATUS_INVALID_PARAMS);
- mgmt_pending_remove(cmd);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
goto unlock;
}
params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
addr_type);
if (!params) {
- err = cmd->cmd_complete(cmd,
- MGMT_STATUS_INVALID_PARAMS);
- mgmt_pending_remove(cmd);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
goto unlock;
}
if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
- err = cmd->cmd_complete(cmd,
- MGMT_STATUS_INVALID_PARAMS);
- mgmt_pending_remove(cmd);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
goto unlock;
}
list_del(¶ms->action);
list_del(¶ms->list);
kfree(params);
- __hci_update_background_scan(&req);
+ hci_update_background_scan(hdev);
device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
} else {
@@ -6385,9 +6076,10 @@
struct bdaddr_list *b, *btmp;
if (cp->addr.type) {
- err = cmd->cmd_complete(cmd,
- MGMT_STATUS_INVALID_PARAMS);
- mgmt_pending_remove(cmd);
+ err = mgmt_cmd_complete(sk, hdev->id,
+ MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_INVALID_PARAMS,
+ &cp->addr, sizeof(cp->addr));
goto unlock;
}
@@ -6397,7 +6089,7 @@
kfree(b);
}
- __hci_update_page_scan(&req);
+ hci_update_page_scan(hdev);
list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
@@ -6414,20 +6106,13 @@
BT_DBG("All LE connection parameters were removed");
- __hci_update_background_scan(&req);
+ hci_update_background_scan(hdev);
}
complete:
- err = hci_req_run(&req, remove_device_complete);
- if (err < 0) {
- /* ENODATA means no HCI commands were needed (e.g. if
- * the adapter is powered off).
- */
- if (err == -ENODATA)
- err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
- mgmt_pending_remove(cmd);
- }
-
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
+ MGMT_STATUS_SUCCESS, &cp->addr,
+ sizeof(cp->addr));
unlock:
hci_dev_unlock(hdev);
return err;
@@ -7016,17 +6701,19 @@
int i, cur_len;
bool flags_managed = false;
bool tx_power_managed = false;
- u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV |
- MGMT_ADV_FLAG_MANAGED_FLAGS;
- if (is_adv_data && (adv_flags & flags_params)) {
- flags_managed = true;
- max_len -= 3;
- }
+ if (is_adv_data) {
+ if (adv_flags & (MGMT_ADV_FLAG_DISCOV |
+ MGMT_ADV_FLAG_LIMITED_DISCOV |
+ MGMT_ADV_FLAG_MANAGED_FLAGS)) {
+ flags_managed = true;
+ max_len -= 3;
+ }
- if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) {
- tx_power_managed = true;
- max_len -= 3;
+ if (adv_flags & MGMT_ADV_FLAG_TX_POWER) {
+ tx_power_managed = true;
+ max_len -= 3;
+ }
}
if (len > max_len)
@@ -7155,6 +6842,10 @@
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
status);
+ if (cp->instance < 1 || cp->instance > HCI_MAX_ADV_INSTANCES)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+
flags = __le32_to_cpu(cp->flags);
timeout = __le16_to_cpu(cp->timeout);
duration = __le16_to_cpu(cp->duration);
@@ -7369,6 +7060,62 @@
return err;
}
+static u8 tlv_data_max_len(u32 adv_flags, bool is_adv_data)
+{
+ u8 max_len = HCI_MAX_AD_LENGTH;
+
+ if (is_adv_data) {
+ if (adv_flags & (MGMT_ADV_FLAG_DISCOV |
+ MGMT_ADV_FLAG_LIMITED_DISCOV |
+ MGMT_ADV_FLAG_MANAGED_FLAGS))
+ max_len -= 3;
+
+ if (adv_flags & MGMT_ADV_FLAG_TX_POWER)
+ max_len -= 3;
+ }
+
+ return max_len;
+}
+
+static int get_adv_size_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_cp_get_adv_size_info *cp = data;
+ struct mgmt_rp_get_adv_size_info rp;
+ u32 flags, supported_flags;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!lmp_le_capable(hdev))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
+ MGMT_STATUS_REJECTED);
+
+ if (cp->instance < 1 || cp->instance > HCI_MAX_ADV_INSTANCES)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ flags = __le32_to_cpu(cp->flags);
+
+ /* The current implementation only supports a subset of the specified
+ * flags.
+ */
+ supported_flags = get_supported_adv_flags(hdev);
+ if (flags & ~supported_flags)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ rp.instance = cp->instance;
+ rp.flags = cp->flags;
+ rp.max_adv_data_len = tlv_data_max_len(flags, true);
+ rp.max_scan_rsp_len = tlv_data_max_len(flags, false);
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+
+ return err;
+}
+
static const struct hci_mgmt_handler mgmt_handlers[] = {
{ NULL }, /* 0x0000 (no command) */
{ read_version, MGMT_READ_VERSION_SIZE,
@@ -7456,6 +7203,7 @@
{ add_advertising, MGMT_ADD_ADVERTISING_SIZE,
HCI_MGMT_VAR_LEN },
{ remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
+ { get_adv_size_info, MGMT_GET_ADV_SIZE_INFO_SIZE },
};
void mgmt_index_added(struct hci_dev *hdev)
@@ -7526,9 +7274,8 @@
}
/* This function requires the caller holds hdev->lock */
-static void restart_le_actions(struct hci_request *req)
+static void restart_le_actions(struct hci_dev *hdev)
{
- struct hci_dev *hdev = req->hdev;
struct hci_conn_params *p;
list_for_each_entry(p, &hdev->le_conn_params, list) {
@@ -7549,8 +7296,6 @@
break;
}
}
-
- __hci_update_background_scan(req);
}
static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode)
@@ -7560,12 +7305,8 @@
BT_DBG("status 0x%02x", status);
if (!status) {
- /* Register the available SMP channels (BR/EDR and LE) only
- * when successfully powering on the controller. This late
- * registration is required so that LE SMP can clearly
- * decide if the public address or static address is used.
- */
- smp_register(hdev);
+ restart_le_actions(hdev);
+ hci_update_background_scan(hdev);
}
hci_dev_lock(hdev);
@@ -7644,8 +7385,6 @@
hdev->cur_adv_instance)
schedule_adv_instance(&req, hdev->cur_adv_instance,
true);
-
- restart_le_actions(&req);
}
link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
@@ -7677,6 +7416,13 @@
return 0;
if (powered) {
+ /* Register the available SMP channels (BR/EDR and LE) only
+ * when successfully powering on the controller. This late
+ * registration is required so that LE SMP can clearly
+ * decide if the public address or static address is used.
+ */
+ smp_register(hdev);
+
if (powered_update_hci(hdev) == 0)
return 0;
@@ -8452,7 +8198,7 @@
hdev->discovery.scan_duration))
return;
- queue_delayed_work(hdev->workqueue, &hdev->le_scan_restart,
+ queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_restart,
DISCOV_LE_RESTART_DELAY);
}
diff --git a/net/core/dev.c b/net/core/dev.c
index ae00b89..5df6cbc 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -96,6 +96,7 @@
#include <linux/skbuff.h>
#include <net/net_namespace.h>
#include <net/sock.h>
+#include <net/busy_poll.h>
#include <linux/rtnetlink.h>
#include <linux/stat.h>
#include <net/dst.h>
@@ -182,8 +183,8 @@
/* protects napi_hash addition/deletion and napi_gen_id */
static DEFINE_SPINLOCK(napi_hash_lock);
-static unsigned int napi_gen_id;
-static DEFINE_HASHTABLE(napi_hash, 8);
+static unsigned int napi_gen_id = NR_CPUS;
+static DEFINE_READ_MOSTLY_HASHTABLE(napi_hash, 8);
static seqcount_t devnet_rename_seq;
@@ -3021,7 +3022,9 @@
int queue_index = 0;
#ifdef CONFIG_XPS
- if (skb->sender_cpu == 0)
+ u32 sender_cpu = skb->sender_cpu - 1;
+
+ if (sender_cpu >= (u32)NR_CPUS)
skb->sender_cpu = raw_smp_processor_id() + 1;
#endif
@@ -4353,6 +4356,7 @@
gro_result_t napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
{
+ skb_mark_napi_id(skb, napi);
trace_napi_gro_receive_entry(skb);
skb_gro_reset_offset(skb);
@@ -4386,7 +4390,10 @@
if (!skb) {
skb = napi_alloc_skb(napi, GRO_MAX_HEAD);
- napi->skb = skb;
+ if (skb) {
+ napi->skb = skb;
+ skb_mark_napi_id(skb, napi);
+ }
}
return skb;
}
@@ -4661,7 +4668,7 @@
EXPORT_SYMBOL(napi_complete_done);
/* must be called under rcu_read_lock(), as we dont take a reference */
-struct napi_struct *napi_by_id(unsigned int napi_id)
+static struct napi_struct *napi_by_id(unsigned int napi_id)
{
unsigned int hash = napi_id % HASH_SIZE(napi_hash);
struct napi_struct *napi;
@@ -4672,43 +4679,101 @@
return NULL;
}
-EXPORT_SYMBOL_GPL(napi_by_id);
+
+#if defined(CONFIG_NET_RX_BUSY_POLL)
+#define BUSY_POLL_BUDGET 8
+bool sk_busy_loop(struct sock *sk, int nonblock)
+{
+ unsigned long end_time = !nonblock ? sk_busy_loop_end_time(sk) : 0;
+ int (*busy_poll)(struct napi_struct *dev);
+ struct napi_struct *napi;
+ int rc = false;
+
+ rcu_read_lock();
+
+ napi = napi_by_id(sk->sk_napi_id);
+ if (!napi)
+ goto out;
+
+ /* Note: ndo_busy_poll method is optional in linux-4.5 */
+ busy_poll = napi->dev->netdev_ops->ndo_busy_poll;
+
+ do {
+ rc = 0;
+ local_bh_disable();
+ if (busy_poll) {
+ rc = busy_poll(napi);
+ } else if (napi_schedule_prep(napi)) {
+ void *have = netpoll_poll_lock(napi);
+
+ if (test_bit(NAPI_STATE_SCHED, &napi->state)) {
+ rc = napi->poll(napi, BUSY_POLL_BUDGET);
+ trace_napi_poll(napi);
+ if (rc == BUSY_POLL_BUDGET) {
+ napi_complete_done(napi, rc);
+ napi_schedule(napi);
+ }
+ }
+ netpoll_poll_unlock(have);
+ }
+ if (rc > 0)
+ NET_ADD_STATS_BH(sock_net(sk),
+ LINUX_MIB_BUSYPOLLRXPACKETS, rc);
+ local_bh_enable();
+
+ if (rc == LL_FLUSH_FAILED)
+ break; /* permanent failure */
+
+ cpu_relax();
+ } while (!nonblock && skb_queue_empty(&sk->sk_receive_queue) &&
+ !need_resched() && !busy_loop_timeout(end_time));
+
+ rc = !skb_queue_empty(&sk->sk_receive_queue);
+out:
+ rcu_read_unlock();
+ return rc;
+}
+EXPORT_SYMBOL(sk_busy_loop);
+
+#endif /* CONFIG_NET_RX_BUSY_POLL */
void napi_hash_add(struct napi_struct *napi)
{
- if (!test_and_set_bit(NAPI_STATE_HASHED, &napi->state)) {
+ if (test_bit(NAPI_STATE_NO_BUSY_POLL, &napi->state) ||
+ test_and_set_bit(NAPI_STATE_HASHED, &napi->state))
+ return;
- spin_lock(&napi_hash_lock);
+ spin_lock(&napi_hash_lock);
- /* 0 is not a valid id, we also skip an id that is taken
- * we expect both events to be extremely rare
- */
- napi->napi_id = 0;
- while (!napi->napi_id) {
- napi->napi_id = ++napi_gen_id;
- if (napi_by_id(napi->napi_id))
- napi->napi_id = 0;
- }
+ /* 0..NR_CPUS+1 range is reserved for sender_cpu use */
+ do {
+ if (unlikely(++napi_gen_id < NR_CPUS + 1))
+ napi_gen_id = NR_CPUS + 1;
+ } while (napi_by_id(napi_gen_id));
+ napi->napi_id = napi_gen_id;
- hlist_add_head_rcu(&napi->napi_hash_node,
- &napi_hash[napi->napi_id % HASH_SIZE(napi_hash)]);
+ hlist_add_head_rcu(&napi->napi_hash_node,
+ &napi_hash[napi->napi_id % HASH_SIZE(napi_hash)]);
- spin_unlock(&napi_hash_lock);
- }
+ spin_unlock(&napi_hash_lock);
}
EXPORT_SYMBOL_GPL(napi_hash_add);
/* Warning : caller is responsible to make sure rcu grace period
* is respected before freeing memory containing @napi
*/
-void napi_hash_del(struct napi_struct *napi)
+bool napi_hash_del(struct napi_struct *napi)
{
+ bool rcu_sync_needed = false;
+
spin_lock(&napi_hash_lock);
- if (test_and_clear_bit(NAPI_STATE_HASHED, &napi->state))
+ if (test_and_clear_bit(NAPI_STATE_HASHED, &napi->state)) {
+ rcu_sync_needed = true;
hlist_del_rcu(&napi->napi_hash_node);
-
+ }
spin_unlock(&napi_hash_lock);
+ return rcu_sync_needed;
}
EXPORT_SYMBOL_GPL(napi_hash_del);
@@ -4744,6 +4809,7 @@
napi->poll_owner = -1;
#endif
set_bit(NAPI_STATE_SCHED, &napi->state);
+ napi_hash_add(napi);
}
EXPORT_SYMBOL(netif_napi_add);
@@ -4763,8 +4829,12 @@
}
EXPORT_SYMBOL(napi_disable);
+/* Must be called in process context */
void netif_napi_del(struct napi_struct *napi)
{
+ might_sleep();
+ if (napi_hash_del(napi))
+ synchronize_net();
list_del_init(&napi->dev_list);
napi_free_frags(napi);
@@ -7164,11 +7234,13 @@
* This function does the last stage of destroying an allocated device
* interface. The reference to the device object is released.
* If this is the last reference then it will be freed.
+ * Must be called in process context.
*/
void free_netdev(struct net_device *dev)
{
struct napi_struct *p, *n;
+ might_sleep();
netif_free_tx_queues(dev);
#ifdef CONFIG_SYSFS
kvfree(dev->_rx);
diff --git a/net/core/net-traces.c b/net/core/net-traces.c
index adef015..92da5e4 100644
--- a/net/core/net-traces.c
+++ b/net/core/net-traces.c
@@ -32,6 +32,10 @@
#include <trace/events/sock.h>
#include <trace/events/udp.h>
#include <trace/events/fib.h>
+#if IS_ENABLED(CONFIG_IPV6)
+#include <trace/events/fib6.h>
+EXPORT_TRACEPOINT_SYMBOL_GPL(fib6_table_lookup);
+#endif
EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb);
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 1eba07f..b7448c8 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -21,8 +21,10 @@
#include <linux/of_mdio.h>
#include <linux/of_platform.h>
#include <linux/of_net.h>
+#include <linux/of_gpio.h>
#include <linux/sysfs.h>
#include <linux/phy_fixed.h>
+#include <linux/gpio/consumer.h>
#include "dsa_priv.h"
char dsa_driver_version[] = "0.1";
@@ -688,6 +690,9 @@
const char *port_name;
int chip_index, port_index;
const unsigned int *sw_addr, *port_reg;
+ int gpio;
+ enum of_gpio_flags of_flags;
+ unsigned long flags;
u32 eeprom_len;
int ret;
@@ -766,6 +771,19 @@
put_device(cd->host_dev);
cd->host_dev = &mdio_bus_switch->dev;
}
+ gpio = of_get_named_gpio_flags(child, "reset-gpios", 0,
+ &of_flags);
+ if (gpio_is_valid(gpio)) {
+ flags = (of_flags == OF_GPIO_ACTIVE_LOW ?
+ GPIOF_ACTIVE_LOW : 0);
+ ret = devm_gpio_request_one(dev, gpio, flags,
+ "switch_reset");
+ if (ret)
+ goto out_free_chip;
+
+ cd->reset = gpio_to_desc(gpio);
+ gpiod_direction_output(cd->reset, 0);
+ }
for_each_available_child_of_node(child, port) {
port_reg = of_get_property(port, "reg", NULL);
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 0bc7412..67f7c9d 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -65,15 +65,6 @@
#include <net/checksum.h>
#include <asm/processor.h>
-/* Define this to allow debugging output */
-#undef IPCONFIG_DEBUG
-
-#ifdef IPCONFIG_DEBUG
-#define DBG(x) printk x
-#else
-#define DBG(x) do { } while(0)
-#endif
-
#if defined(CONFIG_IP_PNP_DHCP)
#define IPCONFIG_DHCP
#endif
@@ -227,7 +218,7 @@
if (dev->mtu >= 364)
able |= IC_BOOTP;
else
- pr_warn("DHCP/BOOTP: Ignoring device %s, MTU %d too small",
+ pr_warn("DHCP/BOOTP: Ignoring device %s, MTU %d too small\n",
dev->name, dev->mtu);
if (!(dev->flags & IFF_NOARP))
able |= IC_RARP;
@@ -254,8 +245,8 @@
else
d->xid = 0;
ic_proto_have_if |= able;
- DBG(("IP-Config: %s UP (able=%d, xid=%08x)\n",
- dev->name, able, d->xid));
+ pr_debug("IP-Config: %s UP (able=%d, xid=%08x)\n",
+ dev->name, able, d->xid);
}
}
@@ -311,7 +302,7 @@
next = d->next;
dev = d->dev;
if (dev != ic_dev && !netdev_uses_dsa(dev)) {
- DBG(("IP-Config: Downing %s\n", dev->name));
+ pr_debug("IP-Config: Downing %s\n", dev->name);
dev_change_flags(dev, d->flags);
}
kfree(d);
@@ -464,7 +455,8 @@
&ic_myaddr);
return -1;
}
- printk("IP-Config: Guessing netmask %pI4\n", &ic_netmask);
+ pr_notice("IP-Config: Guessing netmask %pI4\n",
+ &ic_netmask);
}
return 0;
@@ -675,9 +667,7 @@
u8 *e = options;
int len;
-#ifdef IPCONFIG_DEBUG
- printk("DHCP: Sending message type %d\n", mt);
-#endif
+ pr_debug("DHCP: Sending message type %d\n", mt);
memcpy(e, ic_bootp_cookie, 4); /* RFC1048 Magic Cookie */
e += 4;
@@ -847,7 +837,8 @@
else if (dev->type == ARPHRD_FDDI)
b->htype = ARPHRD_ETHER;
else {
- printk("Unknown ARP type 0x%04x for device %s\n", dev->type, dev->name);
+ pr_warn("Unknown ARP type 0x%04x for device %s\n", dev->type,
+ dev->name);
b->htype = dev->type; /* can cause undefined behavior */
}
@@ -904,14 +895,12 @@
int i;
__be16 mtu;
-#ifdef IPCONFIG_DEBUG
u8 *c;
- printk("DHCP/BOOTP: Got extension %d:",*ext);
+ pr_debug("DHCP/BOOTP: Got extension %d:", *ext);
for (c=ext+2; c<ext+2+ext[1]; c++)
- printk(" %02x", *c);
- printk("\n");
-#endif
+ pr_debug(" %02x", *c);
+ pr_debug("\n");
switch (*ext++) {
case 1: /* Subnet mask */
@@ -1080,9 +1069,7 @@
}
}
-#ifdef IPCONFIG_DEBUG
- printk("DHCP: Got message type %d\n", mt);
-#endif
+ pr_debug("DHCP: Got message type %d\n", mt);
switch (mt) {
case DHCPOFFER:
@@ -1095,10 +1082,8 @@
/* Let's accept that offer. */
ic_myaddr = b->your_ip;
ic_servaddr = server_id;
-#ifdef IPCONFIG_DEBUG
- printk("DHCP: Offered address %pI4 by server %pI4\n",
- &ic_myaddr, &b->iph.saddr);
-#endif
+ pr_debug("DHCP: Offered address %pI4 by server %pI4\n",
+ &ic_myaddr, &b->iph.saddr);
/* The DHCP indicated server address takes
* precedence over the bootp header one if
* they are different.
@@ -1295,11 +1280,10 @@
return -1;
}
- printk("IP-Config: Got %s answer from %pI4, ",
+ pr_info("IP-Config: Got %s answer from %pI4, my address is %pI4\n",
((ic_got_reply & IC_RARP) ? "RARP"
- : (ic_proto_enabled & IC_USE_DHCP) ? "DHCP" : "BOOTP"),
- &ic_addrservaddr);
- pr_cont("my address is %pI4\n", &ic_myaddr);
+ : (ic_proto_enabled & IC_USE_DHCP) ? "DHCP" : "BOOTP"),
+ &ic_addrservaddr, &ic_myaddr);
return 0;
}
@@ -1426,7 +1410,7 @@
if (!ic_enable)
return 0;
- DBG(("IP-Config: Entered.\n"));
+ pr_debug("IP-Config: Entered.\n");
#ifdef IPCONFIG_DYNAMIC
try_try_again:
#endif
@@ -1542,7 +1526,7 @@
pr_cont(", mtu=%d", ic_dev_mtu);
for (i = 0; i < CONF_NAMESERVERS_MAX; i++)
if (ic_nameservers[i] != NONE) {
- pr_info(" nameserver%u=%pI4",
+ pr_cont(" nameserver%u=%pI4",
i, &ic_nameservers[i]);
break;
}
@@ -1585,7 +1569,7 @@
return 1;
*v = 0;
if (kstrtou8(client_id, 0, dhcp_client_identifier))
- DBG("DHCP: Invalid client identifier type\n");
+ pr_debug("DHCP: Invalid client identifier type\n");
strncpy(dhcp_client_identifier + 1, v + 1, 251);
*v = ',';
}
@@ -1644,7 +1628,7 @@
if ((cp = strchr(ip, ':')))
*cp++ = '\0';
if (strlen(ip) > 0) {
- DBG(("IP-Config: Parameter #%d: `%s'\n", num, ip));
+ pr_debug("IP-Config: Parameter #%d: `%s'\n", num, ip);
switch (num) {
case 0:
if ((ic_myaddr = in_aton(ip)) == ANY)
@@ -1716,7 +1700,7 @@
if (strlcpy(vendor_class_identifier, addrs,
sizeof(vendor_class_identifier))
>= sizeof(vendor_class_identifier))
- pr_warn("DHCP: vendorclass too long, truncated to \"%s\"",
+ pr_warn("DHCP: vendorclass too long, truncated to \"%s\"\n",
vendor_class_identifier);
return 1;
}
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index c3a3835..cbf075a 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -67,10 +67,6 @@
#include <net/fib_rules.h>
#include <linux/netconf.h>
-#if defined(CONFIG_IP_PIMSM_V1) || defined(CONFIG_IP_PIMSM_V2)
-#define CONFIG_IP_PIMSM 1
-#endif
-
struct mr_table {
struct list_head list;
possible_net_t net;
@@ -84,9 +80,7 @@
atomic_t cache_resolve_queue_len;
bool mroute_do_assert;
bool mroute_do_pim;
-#if defined(CONFIG_IP_PIMSM_V1) || defined(CONFIG_IP_PIMSM_V2)
int mroute_reg_vif_num;
-#endif
};
struct ipmr_rule {
@@ -97,15 +91,18 @@
struct mr_table *mrt;
};
+static inline bool pimsm_enabled(void)
+{
+ return IS_BUILTIN(CONFIG_IP_PIMSM_V1) || IS_BUILTIN(CONFIG_IP_PIMSM_V2);
+}
+
/* Big lock, protecting vif table, mrt cache and mroute socket state.
* Note that the changes are semaphored via rtnl_lock.
*/
static DEFINE_RWLOCK(mrt_lock);
-/*
- * Multicast router control variables
- */
+/* Multicast router control variables */
#define VIF_EXISTS(_mrt, _idx) ((_mrt)->vif_table[_idx].dev != NULL)
@@ -252,8 +249,8 @@
INIT_LIST_HEAD(&net->ipv4.mr_tables);
mrt = ipmr_new_table(net, RT_TABLE_DEFAULT);
- if (!mrt) {
- err = -ENOMEM;
+ if (IS_ERR(mrt)) {
+ err = PTR_ERR(mrt);
goto err1;
}
@@ -301,8 +298,13 @@
static int __net_init ipmr_rules_init(struct net *net)
{
- net->ipv4.mrt = ipmr_new_table(net, RT_TABLE_DEFAULT);
- return net->ipv4.mrt ? 0 : -ENOMEM;
+ struct mr_table *mrt;
+
+ mrt = ipmr_new_table(net, RT_TABLE_DEFAULT);
+ if (IS_ERR(mrt))
+ return PTR_ERR(mrt);
+ net->ipv4.mrt = mrt;
+ return 0;
}
static void __net_exit ipmr_rules_exit(struct net *net)
@@ -319,13 +321,17 @@
struct mr_table *mrt;
unsigned int i;
+ /* "pimreg%u" should not exceed 16 bytes (IFNAMSIZ) */
+ if (id != RT_TABLE_DEFAULT && id >= 1000000000)
+ return ERR_PTR(-EINVAL);
+
mrt = ipmr_get_table(net, id);
if (mrt)
return mrt;
mrt = kzalloc(sizeof(*mrt), GFP_KERNEL);
if (!mrt)
- return NULL;
+ return ERR_PTR(-ENOMEM);
write_pnet(&mrt->net, net);
mrt->id = id;
@@ -338,9 +344,7 @@
setup_timer(&mrt->ipmr_expire_timer, ipmr_expire_process,
(unsigned long)mrt);
-#ifdef CONFIG_IP_PIMSM
mrt->mroute_reg_vif_num = -1;
-#endif
#ifdef CONFIG_IP_MROUTE_MULTIPLE_TABLES
list_add_tail_rcu(&mrt->list, &net->ipv4.mr_tables);
#endif
@@ -387,8 +391,24 @@
}
}
-static
-struct net_device *ipmr_new_tunnel(struct net *net, struct vifctl *v)
+/* Initialize ipmr pimreg/tunnel in_device */
+static bool ipmr_init_vif_indev(const struct net_device *dev)
+{
+ struct in_device *in_dev;
+
+ ASSERT_RTNL();
+
+ in_dev = __in_dev_get_rtnl(dev);
+ if (!in_dev)
+ return false;
+ ipv4_devconf_setall(in_dev);
+ neigh_parms_data_state_setall(in_dev->arp_parms);
+ IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0;
+
+ return true;
+}
+
+static struct net_device *ipmr_new_tunnel(struct net *net, struct vifctl *v)
{
struct net_device *dev;
@@ -399,7 +419,6 @@
int err;
struct ifreq ifr;
struct ip_tunnel_parm p;
- struct in_device *in_dev;
memset(&p, 0, sizeof(p));
p.iph.daddr = v->vifc_rmt_addr.s_addr;
@@ -424,15 +443,8 @@
if (err == 0 &&
(dev = __dev_get_by_name(net, p.name)) != NULL) {
dev->flags |= IFF_MULTICAST;
-
- in_dev = __in_dev_get_rtnl(dev);
- if (!in_dev)
+ if (!ipmr_init_vif_indev(dev))
goto failure;
-
- ipv4_devconf_setall(in_dev);
- neigh_parms_data_state_setall(in_dev->arp_parms);
- IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0;
-
if (dev_open(dev))
goto failure;
dev_hold(dev);
@@ -445,8 +457,7 @@
return NULL;
}
-#ifdef CONFIG_IP_PIMSM
-
+#if defined(CONFIG_IP_PIMSM_V1) || defined(CONFIG_IP_PIMSM_V2)
static netdev_tx_t reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct net *net = dev_net(dev);
@@ -496,7 +507,6 @@
static struct net_device *ipmr_reg_vif(struct net *net, struct mr_table *mrt)
{
struct net_device *dev;
- struct in_device *in_dev;
char name[IFNAMSIZ];
if (mrt->id == RT_TABLE_DEFAULT)
@@ -516,18 +526,8 @@
return NULL;
}
- rcu_read_lock();
- in_dev = __in_dev_get_rcu(dev);
- if (!in_dev) {
- rcu_read_unlock();
+ if (!ipmr_init_vif_indev(dev))
goto failure;
- }
-
- ipv4_devconf_setall(in_dev);
- neigh_parms_data_state_setall(in_dev->arp_parms);
- IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0;
- rcu_read_unlock();
-
if (dev_open(dev))
goto failure;
@@ -539,13 +539,56 @@
unregister_netdevice(dev);
return NULL;
}
+
+/* called with rcu_read_lock() */
+static int __pim_rcv(struct mr_table *mrt, struct sk_buff *skb,
+ unsigned int pimlen)
+{
+ struct net_device *reg_dev = NULL;
+ struct iphdr *encap;
+
+ encap = (struct iphdr *)(skb_transport_header(skb) + pimlen);
+ /* Check that:
+ * a. packet is really sent to a multicast group
+ * b. packet is not a NULL-REGISTER
+ * c. packet is not truncated
+ */
+ if (!ipv4_is_multicast(encap->daddr) ||
+ encap->tot_len == 0 ||
+ ntohs(encap->tot_len) + pimlen > skb->len)
+ return 1;
+
+ read_lock(&mrt_lock);
+ if (mrt->mroute_reg_vif_num >= 0)
+ reg_dev = mrt->vif_table[mrt->mroute_reg_vif_num].dev;
+ read_unlock(&mrt_lock);
+
+ if (!reg_dev)
+ return 1;
+
+ skb->mac_header = skb->network_header;
+ skb_pull(skb, (u8 *)encap - skb->data);
+ skb_reset_network_header(skb);
+ skb->protocol = htons(ETH_P_IP);
+ skb->ip_summed = CHECKSUM_NONE;
+
+ skb_tunnel_rx(skb, reg_dev, dev_net(reg_dev));
+
+ netif_rx(skb);
+
+ return NET_RX_SUCCESS;
+}
+#else
+static struct net_device *ipmr_reg_vif(struct net *net, struct mr_table *mrt)
+{
+ return NULL;
+}
#endif
/**
* vif_delete - Delete a VIF entry
* @notify: Set to 1, if the caller is a notifier_call
*/
-
static int vif_delete(struct mr_table *mrt, int vifi, int notify,
struct list_head *head)
{
@@ -567,10 +610,8 @@
return -EADDRNOTAVAIL;
}
-#ifdef CONFIG_IP_PIMSM
if (vifi == mrt->mroute_reg_vif_num)
mrt->mroute_reg_vif_num = -1;
-#endif
if (vifi + 1 == mrt->maxvif) {
int tmp;
@@ -617,7 +658,6 @@
/* Destroy an unresolved cache entry, killing queued skbs
* and reporting error to netlink readers.
*/
-
static void ipmr_destroy_unres(struct mr_table *mrt, struct mfc_cache *c)
{
struct net *net = read_pnet(&mrt->net);
@@ -645,9 +685,7 @@
ipmr_cache_free(c);
}
-
/* Timer process for the unresolved queue. */
-
static void ipmr_expire_process(unsigned long arg)
{
struct mr_table *mrt = (struct mr_table *)arg;
@@ -687,7 +725,6 @@
}
/* Fill oifs list. It is called under write locked mrt_lock. */
-
static void ipmr_update_thresholds(struct mr_table *mrt, struct mfc_cache *cache,
unsigned char *ttls)
{
@@ -723,10 +760,10 @@
return -EADDRINUSE;
switch (vifc->vifc_flags) {
-#ifdef CONFIG_IP_PIMSM
case VIFF_REGISTER:
- /*
- * Special Purpose VIF in PIM
+ if (!pimsm_enabled())
+ return -EINVAL;
+ /* Special Purpose VIF in PIM
* All the packets will be sent to the daemon
*/
if (mrt->mroute_reg_vif_num >= 0)
@@ -741,7 +778,6 @@
return err;
}
break;
-#endif
case VIFF_TUNNEL:
dev = ipmr_new_tunnel(net, vifc);
if (!dev)
@@ -753,7 +789,6 @@
return err;
}
break;
-
case VIFF_USE_IFINDEX:
case 0:
if (vifc->vifc_flags == VIFF_USE_IFINDEX) {
@@ -807,10 +842,8 @@
/* And finish update writing critical data */
write_lock_bh(&mrt_lock);
v->dev = dev;
-#ifdef CONFIG_IP_PIMSM
if (v->flags & VIFF_REGISTER)
mrt->mroute_reg_vif_num = vifi;
-#endif
if (vifi+1 > mrt->maxvif)
mrt->maxvif = vifi+1;
write_unlock_bh(&mrt_lock);
@@ -875,9 +908,7 @@
return ipmr_cache_find_any_parent(mrt, vifi);
}
-/*
- * Allocate a multicast cache entry
- */
+/* Allocate a multicast cache entry */
static struct mfc_cache *ipmr_cache_alloc(void)
{
struct mfc_cache *c = kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
@@ -898,10 +929,7 @@
return c;
}
-/*
- * A cache entry has gone into a resolved state from queued
- */
-
+/* A cache entry has gone into a resolved state from queued */
static void ipmr_cache_resolve(struct net *net, struct mr_table *mrt,
struct mfc_cache *uc, struct mfc_cache *c)
{
@@ -909,7 +937,6 @@
struct nlmsgerr *e;
/* Play the pending entries through our router */
-
while ((skb = __skb_dequeue(&uc->mfc_un.unres.unresolved))) {
if (ip_hdr(skb)->version == 0) {
struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
@@ -933,34 +960,29 @@
}
}
-/*
- * Bounce a cache query up to mrouted. We could use netlink for this but mrouted
- * expects the following bizarre scheme.
+/* Bounce a cache query up to mrouted. We could use netlink for this but mrouted
+ * expects the following bizarre scheme.
*
- * Called under mrt_lock.
+ * Called under mrt_lock.
*/
-
static int ipmr_cache_report(struct mr_table *mrt,
struct sk_buff *pkt, vifi_t vifi, int assert)
{
- struct sk_buff *skb;
const int ihl = ip_hdrlen(pkt);
+ struct sock *mroute_sk;
struct igmphdr *igmp;
struct igmpmsg *msg;
- struct sock *mroute_sk;
+ struct sk_buff *skb;
int ret;
-#ifdef CONFIG_IP_PIMSM
if (assert == IGMPMSG_WHOLEPKT)
skb = skb_realloc_headroom(pkt, sizeof(struct iphdr));
else
-#endif
skb = alloc_skb(128, GFP_ATOMIC);
if (!skb)
return -ENOBUFS;
-#ifdef CONFIG_IP_PIMSM
if (assert == IGMPMSG_WHOLEPKT) {
/* Ugly, but we have no choice with this interface.
* Duplicate old header, fix ihl, length etc.
@@ -978,28 +1000,23 @@
ip_hdr(skb)->ihl = sizeof(struct iphdr) >> 2;
ip_hdr(skb)->tot_len = htons(ntohs(ip_hdr(pkt)->tot_len) +
sizeof(struct iphdr));
- } else
-#endif
- {
-
- /* Copy the IP header */
-
- skb_set_network_header(skb, skb->len);
- skb_put(skb, ihl);
- skb_copy_to_linear_data(skb, pkt->data, ihl);
- ip_hdr(skb)->protocol = 0; /* Flag to the kernel this is a route add */
- msg = (struct igmpmsg *)skb_network_header(skb);
- msg->im_vif = vifi;
- skb_dst_set(skb, dst_clone(skb_dst(pkt)));
-
- /* Add our header */
-
- igmp = (struct igmphdr *)skb_put(skb, sizeof(struct igmphdr));
- igmp->type =
- msg->im_msgtype = assert;
- igmp->code = 0;
- ip_hdr(skb)->tot_len = htons(skb->len); /* Fix the length */
- skb->transport_header = skb->network_header;
+ } else {
+ /* Copy the IP header */
+ skb_set_network_header(skb, skb->len);
+ skb_put(skb, ihl);
+ skb_copy_to_linear_data(skb, pkt->data, ihl);
+ /* Flag to the kernel this is a route add */
+ ip_hdr(skb)->protocol = 0;
+ msg = (struct igmpmsg *)skb_network_header(skb);
+ msg->im_vif = vifi;
+ skb_dst_set(skb, dst_clone(skb_dst(pkt)));
+ /* Add our header */
+ igmp = (struct igmphdr *)skb_put(skb, sizeof(struct igmphdr));
+ igmp->type = assert;
+ msg->im_msgtype = assert;
+ igmp->code = 0;
+ ip_hdr(skb)->tot_len = htons(skb->len); /* Fix the length */
+ skb->transport_header = skb->network_header;
}
rcu_read_lock();
@@ -1011,7 +1028,6 @@
}
/* Deliver to mrouted */
-
ret = sock_queue_rcv_skb(mroute_sk, skb);
rcu_read_unlock();
if (ret < 0) {
@@ -1022,12 +1038,9 @@
return ret;
}
-/*
- * Queue a packet for resolution. It gets locked cache entry!
- */
-
-static int
-ipmr_cache_unresolved(struct mr_table *mrt, vifi_t vifi, struct sk_buff *skb)
+/* Queue a packet for resolution. It gets locked cache entry! */
+static int ipmr_cache_unresolved(struct mr_table *mrt, vifi_t vifi,
+ struct sk_buff *skb)
{
bool found = false;
int err;
@@ -1045,7 +1058,6 @@
if (!found) {
/* Create a new entry if allowable */
-
if (atomic_read(&mrt->cache_resolve_queue_len) >= 10 ||
(c = ipmr_cache_alloc_unres()) == NULL) {
spin_unlock_bh(&mfc_unres_lock);
@@ -1055,13 +1067,11 @@
}
/* Fill in the new cache entry */
-
c->mfc_parent = -1;
c->mfc_origin = iph->saddr;
c->mfc_mcastgrp = iph->daddr;
/* Reflect first query at mrouted. */
-
err = ipmr_cache_report(mrt, skb, vifi, IGMPMSG_NOCACHE);
if (err < 0) {
/* If the report failed throw the cache entry
@@ -1083,7 +1093,6 @@
}
/* See if we can append the packet */
-
if (c->mfc_un.unres.unresolved.qlen > 3) {
kfree_skb(skb);
err = -ENOBUFS;
@@ -1096,9 +1105,7 @@
return err;
}
-/*
- * MFC cache manipulation by user space mroute daemon
- */
+/* MFC cache manipulation by user space mroute daemon */
static int ipmr_mfc_delete(struct mr_table *mrt, struct mfcctl *mfc, int parent)
{
@@ -1169,9 +1176,8 @@
list_add_rcu(&c->list, &mrt->mfc_cache_array[line]);
- /*
- * Check to see if we resolved a queued list. If so we
- * need to send on the frames and tidy up.
+ /* Check to see if we resolved a queued list. If so we
+ * need to send on the frames and tidy up.
*/
found = false;
spin_lock_bh(&mfc_unres_lock);
@@ -1196,10 +1202,7 @@
return 0;
}
-/*
- * Close the multicast socket, and clear the vif tables etc
- */
-
+/* Close the multicast socket, and clear the vif tables etc */
static void mroute_clean_tables(struct mr_table *mrt, bool all)
{
int i;
@@ -1207,7 +1210,6 @@
struct mfc_cache *c, *next;
/* Shut down all active vif entries */
-
for (i = 0; i < mrt->maxvif; i++) {
if (!all && (mrt->vif_table[i].flags & VIFF_STATIC))
continue;
@@ -1216,7 +1218,6 @@
unregister_netdevice_many(&list);
/* Wipe the cache */
-
for (i = 0; i < MFC_LINES; i++) {
list_for_each_entry_safe(c, next, &mrt->mfc_cache_array[i], list) {
if (!all && (c->mfc_flags & MFC_STATIC))
@@ -1260,45 +1261,51 @@
rtnl_unlock();
}
-/*
- * Socket options and virtual interface manipulation. The whole
- * virtual interface system is a complete heap, but unfortunately
- * that's how BSD mrouted happens to think. Maybe one day with a proper
- * MOSPF/PIM router set up we can clean this up.
+/* Socket options and virtual interface manipulation. The whole
+ * virtual interface system is a complete heap, but unfortunately
+ * that's how BSD mrouted happens to think. Maybe one day with a proper
+ * MOSPF/PIM router set up we can clean this up.
*/
-int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsigned int optlen)
+int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval,
+ unsigned int optlen)
{
- int ret, parent = 0;
+ struct net *net = sock_net(sk);
+ int val, ret = 0, parent = 0;
+ struct mr_table *mrt;
struct vifctl vif;
struct mfcctl mfc;
- struct net *net = sock_net(sk);
- struct mr_table *mrt;
+ u32 uval;
+ /* There's one exception to the lock - MRT_DONE which needs to unlock */
+ rtnl_lock();
if (sk->sk_type != SOCK_RAW ||
- inet_sk(sk)->inet_num != IPPROTO_IGMP)
- return -EOPNOTSUPP;
+ inet_sk(sk)->inet_num != IPPROTO_IGMP) {
+ ret = -EOPNOTSUPP;
+ goto out_unlock;
+ }
mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT);
- if (!mrt)
- return -ENOENT;
-
+ if (!mrt) {
+ ret = -ENOENT;
+ goto out_unlock;
+ }
if (optname != MRT_INIT) {
if (sk != rcu_access_pointer(mrt->mroute_sk) &&
- !ns_capable(net->user_ns, CAP_NET_ADMIN))
- return -EACCES;
+ !ns_capable(net->user_ns, CAP_NET_ADMIN)) {
+ ret = -EACCES;
+ goto out_unlock;
+ }
}
switch (optname) {
case MRT_INIT:
if (optlen != sizeof(int))
- return -EINVAL;
-
- rtnl_lock();
- if (rtnl_dereference(mrt->mroute_sk)) {
- rtnl_unlock();
- return -EADDRINUSE;
- }
+ ret = -EINVAL;
+ if (rtnl_dereference(mrt->mroute_sk))
+ ret = -EADDRINUSE;
+ if (ret)
+ break;
ret = ip_ra_control(sk, 1, mrtsock_destruct);
if (ret == 0) {
@@ -1308,129 +1315,133 @@
NETCONFA_IFINDEX_ALL,
net->ipv4.devconf_all);
}
- rtnl_unlock();
- return ret;
+ break;
case MRT_DONE:
- if (sk != rcu_access_pointer(mrt->mroute_sk))
- return -EACCES;
- return ip_ra_control(sk, 0, NULL);
+ if (sk != rcu_access_pointer(mrt->mroute_sk)) {
+ ret = -EACCES;
+ } else {
+ /* We need to unlock here because mrtsock_destruct takes
+ * care of rtnl itself and we can't change that due to
+ * the IP_ROUTER_ALERT setsockopt which runs without it.
+ */
+ rtnl_unlock();
+ ret = ip_ra_control(sk, 0, NULL);
+ goto out;
+ }
+ break;
case MRT_ADD_VIF:
case MRT_DEL_VIF:
- if (optlen != sizeof(vif))
- return -EINVAL;
- if (copy_from_user(&vif, optval, sizeof(vif)))
- return -EFAULT;
- if (vif.vifc_vifi >= MAXVIFS)
- return -ENFILE;
- rtnl_lock();
+ if (optlen != sizeof(vif)) {
+ ret = -EINVAL;
+ break;
+ }
+ if (copy_from_user(&vif, optval, sizeof(vif))) {
+ ret = -EFAULT;
+ break;
+ }
+ if (vif.vifc_vifi >= MAXVIFS) {
+ ret = -ENFILE;
+ break;
+ }
if (optname == MRT_ADD_VIF) {
ret = vif_add(net, mrt, &vif,
sk == rtnl_dereference(mrt->mroute_sk));
} else {
ret = vif_delete(mrt, vif.vifc_vifi, 0, NULL);
}
- rtnl_unlock();
- return ret;
-
- /*
- * Manipulate the forwarding caches. These live
- * in a sort of kernel/user symbiosis.
- */
+ break;
+ /* Manipulate the forwarding caches. These live
+ * in a sort of kernel/user symbiosis.
+ */
case MRT_ADD_MFC:
case MRT_DEL_MFC:
parent = -1;
case MRT_ADD_MFC_PROXY:
case MRT_DEL_MFC_PROXY:
- if (optlen != sizeof(mfc))
- return -EINVAL;
- if (copy_from_user(&mfc, optval, sizeof(mfc)))
- return -EFAULT;
+ if (optlen != sizeof(mfc)) {
+ ret = -EINVAL;
+ break;
+ }
+ if (copy_from_user(&mfc, optval, sizeof(mfc))) {
+ ret = -EFAULT;
+ break;
+ }
if (parent == 0)
parent = mfc.mfcc_parent;
- rtnl_lock();
if (optname == MRT_DEL_MFC || optname == MRT_DEL_MFC_PROXY)
ret = ipmr_mfc_delete(mrt, &mfc, parent);
else
ret = ipmr_mfc_add(net, mrt, &mfc,
sk == rtnl_dereference(mrt->mroute_sk),
parent);
- rtnl_unlock();
- return ret;
- /*
- * Control PIM assert.
- */
+ break;
+ /* Control PIM assert. */
case MRT_ASSERT:
- {
- int v;
- if (optlen != sizeof(v))
- return -EINVAL;
- if (get_user(v, (int __user *)optval))
- return -EFAULT;
- mrt->mroute_do_assert = v;
- return 0;
- }
-#ifdef CONFIG_IP_PIMSM
- case MRT_PIM:
- {
- int v;
-
- if (optlen != sizeof(v))
- return -EINVAL;
- if (get_user(v, (int __user *)optval))
- return -EFAULT;
- v = !!v;
-
- rtnl_lock();
- ret = 0;
- if (v != mrt->mroute_do_pim) {
- mrt->mroute_do_pim = v;
- mrt->mroute_do_assert = v;
+ if (optlen != sizeof(val)) {
+ ret = -EINVAL;
+ break;
}
- rtnl_unlock();
- return ret;
- }
-#endif
-#ifdef CONFIG_IP_MROUTE_MULTIPLE_TABLES
+ if (get_user(val, (int __user *)optval)) {
+ ret = -EFAULT;
+ break;
+ }
+ mrt->mroute_do_assert = val;
+ break;
+ case MRT_PIM:
+ if (!pimsm_enabled()) {
+ ret = -ENOPROTOOPT;
+ break;
+ }
+ if (optlen != sizeof(val)) {
+ ret = -EINVAL;
+ break;
+ }
+ if (get_user(val, (int __user *)optval)) {
+ ret = -EFAULT;
+ break;
+ }
+
+ val = !!val;
+ if (val != mrt->mroute_do_pim) {
+ mrt->mroute_do_pim = val;
+ mrt->mroute_do_assert = val;
+ }
+ break;
case MRT_TABLE:
- {
- u32 v;
+ if (!IS_BUILTIN(CONFIG_IP_MROUTE_MULTIPLE_TABLES)) {
+ ret = -ENOPROTOOPT;
+ break;
+ }
+ if (optlen != sizeof(uval)) {
+ ret = -EINVAL;
+ break;
+ }
+ if (get_user(uval, (u32 __user *)optval)) {
+ ret = -EFAULT;
+ break;
+ }
- if (optlen != sizeof(u32))
- return -EINVAL;
- if (get_user(v, (u32 __user *)optval))
- return -EFAULT;
-
- /* "pimreg%u" should not exceed 16 bytes (IFNAMSIZ) */
- if (v != RT_TABLE_DEFAULT && v >= 1000000000)
- return -EINVAL;
-
- rtnl_lock();
- ret = 0;
if (sk == rtnl_dereference(mrt->mroute_sk)) {
ret = -EBUSY;
} else {
- if (!ipmr_new_table(net, v))
- ret = -ENOMEM;
+ mrt = ipmr_new_table(net, uval);
+ if (IS_ERR(mrt))
+ ret = PTR_ERR(mrt);
else
- raw_sk(sk)->ipmr_table = v;
+ raw_sk(sk)->ipmr_table = uval;
}
- rtnl_unlock();
- return ret;
- }
-#endif
- /*
- * Spurious command, or MRT_VERSION which you cannot
- * set.
- */
+ break;
+ /* Spurious command, or MRT_VERSION which you cannot set. */
default:
- return -ENOPROTOOPT;
+ ret = -ENOPROTOOPT;
}
+out_unlock:
+ rtnl_unlock();
+out:
+ return ret;
}
-/*
- * Getsock opt support for the multicast routing system.
- */
-
+/* Getsock opt support for the multicast routing system. */
int ip_mroute_getsockopt(struct sock *sk, int optname, char __user *optval, int __user *optlen)
{
int olr;
@@ -1446,39 +1457,35 @@
if (!mrt)
return -ENOENT;
- if (optname != MRT_VERSION &&
-#ifdef CONFIG_IP_PIMSM
- optname != MRT_PIM &&
-#endif
- optname != MRT_ASSERT)
+ switch (optname) {
+ case MRT_VERSION:
+ val = 0x0305;
+ break;
+ case MRT_PIM:
+ if (!pimsm_enabled())
+ return -ENOPROTOOPT;
+ val = mrt->mroute_do_pim;
+ break;
+ case MRT_ASSERT:
+ val = mrt->mroute_do_assert;
+ break;
+ default:
return -ENOPROTOOPT;
+ }
if (get_user(olr, optlen))
return -EFAULT;
-
olr = min_t(unsigned int, olr, sizeof(int));
if (olr < 0)
return -EINVAL;
-
if (put_user(olr, optlen))
return -EFAULT;
- if (optname == MRT_VERSION)
- val = 0x0305;
-#ifdef CONFIG_IP_PIMSM
- else if (optname == MRT_PIM)
- val = mrt->mroute_do_pim;
-#endif
- else
- val = mrt->mroute_do_assert;
if (copy_to_user(optval, &val, olr))
return -EFAULT;
return 0;
}
-/*
- * The IP multicast ioctl support routines.
- */
-
+/* The IP multicast ioctl support routines. */
int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
{
struct sioc_sg_req sr;
@@ -1611,7 +1618,6 @@
}
#endif
-
static int ipmr_device_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
@@ -1633,17 +1639,14 @@
return NOTIFY_DONE;
}
-
static struct notifier_block ip_mr_notifier = {
.notifier_call = ipmr_device_event,
};
-/*
- * Encapsulate a packet by attaching a valid IPIP header to it.
- * This avoids tunnel drivers and other mess and gives us the speed so
- * important for multicast video.
+/* Encapsulate a packet by attaching a valid IPIP header to it.
+ * This avoids tunnel drivers and other mess and gives us the speed so
+ * important for multicast video.
*/
-
static void ip_encap(struct net *net, struct sk_buff *skb,
__be32 saddr, __be32 daddr)
{
@@ -1685,9 +1688,7 @@
return dst_output(net, sk, skb);
}
-/*
- * Processing handlers for ipmr_forward
- */
+/* Processing handlers for ipmr_forward */
static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
struct sk_buff *skb, struct mfc_cache *c, int vifi)
@@ -1702,7 +1703,6 @@
if (!vif->dev)
goto out_free;
-#ifdef CONFIG_IP_PIMSM
if (vif->flags & VIFF_REGISTER) {
vif->pkt_out++;
vif->bytes_out += skb->len;
@@ -1711,7 +1711,6 @@
ipmr_cache_report(mrt, skb, vifi, IGMPMSG_WHOLEPKT);
goto out_free;
}
-#endif
if (vif->flags & VIFF_TUNNEL) {
rt = ip_route_output_ports(net, &fl4, NULL,
@@ -1738,7 +1737,6 @@
* allow to send ICMP, so that packets will disappear
* to blackhole.
*/
-
IP_INC_STATS(net, IPSTATS_MIB_FRAGFAILS);
ip_rt_put(rt);
goto out_free;
@@ -1770,8 +1768,7 @@
IPCB(skb)->flags |= IPSKB_FORWARDED;
- /*
- * RFC1584 teaches, that DVMRP/PIM router must deliver packets locally
+ /* RFC1584 teaches, that DVMRP/PIM router must deliver packets locally
* not only before forwarding, but after forwarding on all output
* interfaces. It is clear, if mrouter runs a multicasting
* program, it should receive packets not depending to what interface
@@ -1802,7 +1799,6 @@
}
/* "local" means that we should preserve one skb (for local delivery) */
-
static void ip_mr_forward(struct net *net, struct mr_table *mrt,
struct sk_buff *skb, struct mfc_cache *cache,
int local)
@@ -1827,9 +1823,7 @@
goto forward;
}
- /*
- * Wrong interface: drop packet and (maybe) send PIM assert.
- */
+ /* Wrong interface: drop packet and (maybe) send PIM assert. */
if (mrt->vif_table[vif].dev != skb->dev) {
if (rt_is_output_route(skb_rtable(skb))) {
/* It is our own packet, looped back.
@@ -1868,9 +1862,7 @@
mrt->vif_table[vif].pkt_in++;
mrt->vif_table[vif].bytes_in += skb->len;
- /*
- * Forward the frame
- */
+ /* Forward the frame */
if (cache->mfc_origin == htonl(INADDR_ANY) &&
cache->mfc_mcastgrp == htonl(INADDR_ANY)) {
if (true_vifi >= 0 &&
@@ -1944,11 +1936,9 @@
return mrt;
}
-/*
- * Multicast packets for forwarding arrive here
- * Called with rcu_read_lock();
+/* Multicast packets for forwarding arrive here
+ * Called with rcu_read_lock();
*/
-
int ip_mr_input(struct sk_buff *skb)
{
struct mfc_cache *cache;
@@ -1999,9 +1989,7 @@
vif);
}
- /*
- * No usable cache entry
- */
+ /* No usable cache entry */
if (!cache) {
int vif;
@@ -2042,53 +2030,8 @@
return 0;
}
-#ifdef CONFIG_IP_PIMSM
-/* called with rcu_read_lock() */
-static int __pim_rcv(struct mr_table *mrt, struct sk_buff *skb,
- unsigned int pimlen)
-{
- struct net_device *reg_dev = NULL;
- struct iphdr *encap;
-
- encap = (struct iphdr *)(skb_transport_header(skb) + pimlen);
- /*
- * Check that:
- * a. packet is really sent to a multicast group
- * b. packet is not a NULL-REGISTER
- * c. packet is not truncated
- */
- if (!ipv4_is_multicast(encap->daddr) ||
- encap->tot_len == 0 ||
- ntohs(encap->tot_len) + pimlen > skb->len)
- return 1;
-
- read_lock(&mrt_lock);
- if (mrt->mroute_reg_vif_num >= 0)
- reg_dev = mrt->vif_table[mrt->mroute_reg_vif_num].dev;
- read_unlock(&mrt_lock);
-
- if (!reg_dev)
- return 1;
-
- skb->mac_header = skb->network_header;
- skb_pull(skb, (u8 *)encap - skb->data);
- skb_reset_network_header(skb);
- skb->protocol = htons(ETH_P_IP);
- skb->ip_summed = CHECKSUM_NONE;
-
- skb_tunnel_rx(skb, reg_dev, dev_net(reg_dev));
-
- netif_rx(skb);
-
- return NET_RX_SUCCESS;
-}
-#endif
-
#ifdef CONFIG_IP_PIMSM_V1
-/*
- * Handle IGMP messages of PIMv1
- */
-
+/* Handle IGMP messages of PIMv1 */
int pim_rcv_v1(struct sk_buff *skb)
{
struct igmphdr *pim;
@@ -2413,9 +2356,8 @@
}
#ifdef CONFIG_PROC_FS
-/*
- * The /proc interfaces to multicast routing :
- * /proc/net/ip_mr_cache & /proc/net/ip_mr_vif
+/* The /proc interfaces to multicast routing :
+ * /proc/net/ip_mr_cache & /proc/net/ip_mr_vif
*/
struct ipmr_vif_iter {
struct seq_net_private p;
@@ -2699,10 +2641,7 @@
};
#endif
-
-/*
- * Setup for IP multicast routing
- */
+/* Setup for IP multicast routing */
static int __net_init ipmr_net_init(struct net *net)
{
int err;
@@ -2752,8 +2691,6 @@
sizeof(struct mfc_cache),
0, SLAB_HWCACHE_ALIGN | SLAB_PANIC,
NULL);
- if (!mrt_cachep)
- return -ENOMEM;
err = register_pernet_subsys(&ipmr_net_ops);
if (err)
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 11dccba..b488cac 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -38,13 +38,13 @@
/*#define DEBUG_ARP_TABLES_USER*/
#ifdef DEBUG_ARP_TABLES
-#define dprintf(format, args...) printk(format , ## args)
+#define dprintf(format, args...) pr_debug(format, ## args)
#else
#define dprintf(format, args...)
#endif
#ifdef DEBUG_ARP_TABLES_USER
-#define duprintf(format, args...) printk(format , ## args)
+#define duprintf(format, args...) pr_debug(format, ## args)
#else
#define duprintf(format, args...)
#endif
@@ -1905,7 +1905,7 @@
if (ret < 0)
goto err4;
- printk(KERN_INFO "arp_tables: (C) 2002 David S. Miller\n");
+ pr_info("arp_tables: (C) 2002 David S. Miller\n");
return 0;
err4:
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 461ca92..e3c46e8 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -451,7 +451,7 @@
ret = nf_register_sockopt(&so_getorigdst);
if (ret < 0) {
- printk(KERN_ERR "Unable to register netfilter socket option\n");
+ pr_err("Unable to register netfilter socket option\n");
return ret;
}
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index ddb894a..c9b52c3 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -1048,7 +1048,7 @@
if (!asn1_uint_decode (&ctx, end, &vers))
return 0;
if (debug > 1)
- printk(KERN_DEBUG "bsalg: snmp version: %u\n", vers + 1);
+ pr_debug("bsalg: snmp version: %u\n", vers + 1);
if (vers > 1)
return 1;
@@ -1064,10 +1064,10 @@
if (debug > 1) {
unsigned int i;
- printk(KERN_DEBUG "bsalg: community: ");
+ pr_debug("bsalg: community: ");
for (i = 0; i < comm.len; i++)
- printk("%c", comm.data[i]);
- printk("\n");
+ pr_cont("%c", comm.data[i]);
+ pr_cont("\n");
}
kfree(comm.data);
@@ -1091,9 +1091,9 @@
};
if (pdutype > SNMP_PDU_TRAP2)
- printk(KERN_DEBUG "bsalg: bad pdu type %u\n", pdutype);
+ pr_debug("bsalg: bad pdu type %u\n", pdutype);
else
- printk(KERN_DEBUG "bsalg: pdu: %s\n", pdus[pdutype]);
+ pr_debug("bsalg: pdu: %s\n", pdus[pdutype]);
}
if (pdutype != SNMP_PDU_RESPONSE &&
pdutype != SNMP_PDU_TRAP1 && pdutype != SNMP_PDU_TRAP2)
@@ -1119,7 +1119,7 @@
return 0;
if (debug > 1)
- printk(KERN_DEBUG "bsalg: request: id=0x%lx error_status=%u "
+ pr_debug("bsalg: request: id=0x%lx error_status=%u "
"error_index=%u\n", req.id, req.error_status,
req.error_index);
}
@@ -1145,13 +1145,13 @@
}
if (debug > 1) {
- printk(KERN_DEBUG "bsalg: object: ");
+ pr_debug("bsalg: object: ");
for (i = 0; i < obj->id_len; i++) {
if (i > 0)
- printk(".");
- printk("%lu", obj->id[i]);
+ pr_cont(".");
+ pr_cont("%lu", obj->id[i]);
}
- printk(": type=%u\n", obj->type);
+ pr_cont(": type=%u\n", obj->type);
}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 826e6aa..c83b6a5 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -62,6 +62,7 @@
#include <net/lwtunnel.h>
#include <net/ip_tunnels.h>
#include <net/l3mdev.h>
+#include <trace/events/fib6.h>
#include <asm/uaccess.h>
@@ -865,6 +866,9 @@
}
dst_use(&rt->dst, jiffies);
read_unlock_bh(&table->tb6_lock);
+
+ trace_fib6_table_lookup(net, rt, table->tb6_id, fl6);
+
return rt;
}
@@ -1078,6 +1082,8 @@
read_unlock_bh(&table->tb6_lock);
rt6_dst_from_metrics_check(rt);
+
+ trace_fib6_table_lookup(net, rt, table->tb6_id, fl6);
return rt;
} else if (unlikely((fl6->flowi6_flags & FLOWI_FLAG_KNOWN_NH) &&
!(rt->rt6i_flags & RTF_GATEWAY))) {
@@ -1101,6 +1107,8 @@
uncached_rt = net->ipv6.ip6_null_entry;
dst_hold(&uncached_rt->dst);
+
+ trace_fib6_table_lookup(net, uncached_rt, table->tb6_id, fl6);
return uncached_rt;
} else {
@@ -1125,6 +1133,7 @@
dst_release(&rt->dst);
}
+ trace_fib6_table_lookup(net, pcpu_rt, table->tb6_id, fl6);
return pcpu_rt;
}
@@ -1474,6 +1483,7 @@
read_unlock_bh(&table->tb6_lock);
+ trace_fib6_table_lookup(net, rt, table->tb6_id, fl6);
return rt;
};
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index da471ee..2d1c4c3 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1216,16 +1216,6 @@
if (!sta)
return -ENOMEM;
- /*
- * defaults -- if userspace wants something else we'll
- * change it accordingly in sta_apply_parameters()
- */
- if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
- !(params->sta_flags_set & (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
- BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
- sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
- sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
- }
if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
sta->sta.tdls = true;
@@ -1994,6 +1984,11 @@
return ieee80211_request_scan(sdata, req);
}
+static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
+{
+ ieee80211_scan_cancel(wiphy_priv(wiphy));
+}
+
static int
ieee80211_sched_scan_start(struct wiphy *wiphy,
struct net_device *dev,
@@ -2509,294 +2504,6 @@
return 0;
}
-static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
- struct ieee80211_roc_work *new_roc,
- struct ieee80211_roc_work *cur_roc)
-{
- unsigned long now = jiffies;
- unsigned long remaining = cur_roc->hw_start_time +
- msecs_to_jiffies(cur_roc->duration) -
- now;
-
- if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
- return false;
-
- /* if it doesn't fit entirely, schedule a new one */
- if (new_roc->duration > jiffies_to_msecs(remaining))
- return false;
-
- ieee80211_handle_roc_started(new_roc);
-
- /* add to dependents so we send the expired event properly */
- list_add_tail(&new_roc->list, &cur_roc->dependents);
- return true;
-}
-
-static u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
-{
- lockdep_assert_held(&local->mtx);
-
- local->roc_cookie_counter++;
-
- /* wow, you wrapped 64 bits ... more likely a bug */
- if (WARN_ON(local->roc_cookie_counter == 0))
- local->roc_cookie_counter++;
-
- return local->roc_cookie_counter;
-}
-
-static int ieee80211_start_roc_work(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata,
- struct ieee80211_channel *channel,
- unsigned int duration, u64 *cookie,
- struct sk_buff *txskb,
- enum ieee80211_roc_type type)
-{
- struct ieee80211_roc_work *roc, *tmp;
- bool queued = false;
- int ret;
-
- lockdep_assert_held(&local->mtx);
-
- if (local->use_chanctx && !local->ops->remain_on_channel)
- return -EOPNOTSUPP;
-
- roc = kzalloc(sizeof(*roc), GFP_KERNEL);
- if (!roc)
- return -ENOMEM;
-
- /*
- * If the duration is zero, then the driver
- * wouldn't actually do anything. Set it to
- * 10 for now.
- *
- * TODO: cancel the off-channel operation
- * when we get the SKB's TX status and
- * the wait time was zero before.
- */
- if (!duration)
- duration = 10;
-
- roc->chan = channel;
- roc->duration = duration;
- roc->req_duration = duration;
- roc->frame = txskb;
- roc->type = type;
- roc->sdata = sdata;
- INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
- INIT_LIST_HEAD(&roc->dependents);
-
- /*
- * cookie is either the roc cookie (for normal roc)
- * or the SKB (for mgmt TX)
- */
- if (!txskb) {
- roc->cookie = ieee80211_mgmt_tx_cookie(local);
- *cookie = roc->cookie;
- } else {
- roc->mgmt_tx_cookie = *cookie;
- }
-
- /* if there's one pending or we're scanning, queue this one */
- if (!list_empty(&local->roc_list) ||
- local->scanning || ieee80211_is_radar_required(local))
- goto out_check_combine;
-
- /* if not HW assist, just queue & schedule work */
- if (!local->ops->remain_on_channel) {
- ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
- goto out_queue;
- }
-
- /* otherwise actually kick it off here (for error handling) */
-
- ret = drv_remain_on_channel(local, sdata, channel, duration, type);
- if (ret) {
- kfree(roc);
- return ret;
- }
-
- roc->started = true;
- goto out_queue;
-
- out_check_combine:
- list_for_each_entry(tmp, &local->roc_list, list) {
- if (tmp->chan != channel || tmp->sdata != sdata)
- continue;
-
- /*
- * Extend this ROC if possible:
- *
- * If it hasn't started yet, just increase the duration
- * and add the new one to the list of dependents.
- * If the type of the new ROC has higher priority, modify the
- * type of the previous one to match that of the new one.
- */
- if (!tmp->started) {
- list_add_tail(&roc->list, &tmp->dependents);
- tmp->duration = max(tmp->duration, roc->duration);
- tmp->type = max(tmp->type, roc->type);
- queued = true;
- break;
- }
-
- /* If it has already started, it's more difficult ... */
- if (local->ops->remain_on_channel) {
- /*
- * In the offloaded ROC case, if it hasn't begun, add
- * this new one to the dependent list to be handled
- * when the master one begins. If it has begun,
- * check if it fits entirely within the existing one,
- * in which case it will just be dependent as well.
- * Otherwise, schedule it by itself.
- */
- if (!tmp->hw_begun) {
- list_add_tail(&roc->list, &tmp->dependents);
- queued = true;
- break;
- }
-
- if (ieee80211_coalesce_started_roc(local, roc, tmp))
- queued = true;
- } else if (del_timer_sync(&tmp->work.timer)) {
- unsigned long new_end;
-
- /*
- * In the software ROC case, cancel the timer, if
- * that fails then the finish work is already
- * queued/pending and thus we queue the new ROC
- * normally, if that succeeds then we can extend
- * the timer duration and TX the frame (if any.)
- */
-
- list_add_tail(&roc->list, &tmp->dependents);
- queued = true;
-
- new_end = jiffies + msecs_to_jiffies(roc->duration);
-
- /* ok, it was started & we canceled timer */
- if (time_after(new_end, tmp->work.timer.expires))
- mod_timer(&tmp->work.timer, new_end);
- else
- add_timer(&tmp->work.timer);
-
- ieee80211_handle_roc_started(roc);
- }
- break;
- }
-
- out_queue:
- if (!queued)
- list_add_tail(&roc->list, &local->roc_list);
-
- return 0;
-}
-
-static int ieee80211_remain_on_channel(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- struct ieee80211_channel *chan,
- unsigned int duration,
- u64 *cookie)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
- struct ieee80211_local *local = sdata->local;
- int ret;
-
- mutex_lock(&local->mtx);
- ret = ieee80211_start_roc_work(local, sdata, chan,
- duration, cookie, NULL,
- IEEE80211_ROC_TYPE_NORMAL);
- mutex_unlock(&local->mtx);
-
- return ret;
-}
-
-static int ieee80211_cancel_roc(struct ieee80211_local *local,
- u64 cookie, bool mgmt_tx)
-{
- struct ieee80211_roc_work *roc, *tmp, *found = NULL;
- int ret;
-
- mutex_lock(&local->mtx);
- list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
- struct ieee80211_roc_work *dep, *tmp2;
-
- list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
- if (!mgmt_tx && dep->cookie != cookie)
- continue;
- else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
- continue;
- /* found dependent item -- just remove it */
- list_del(&dep->list);
- mutex_unlock(&local->mtx);
-
- ieee80211_roc_notify_destroy(dep, true);
- return 0;
- }
-
- if (!mgmt_tx && roc->cookie != cookie)
- continue;
- else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
- continue;
-
- found = roc;
- break;
- }
-
- if (!found) {
- mutex_unlock(&local->mtx);
- return -ENOENT;
- }
-
- /*
- * We found the item to cancel, so do that. Note that it
- * may have dependents, which we also cancel (and send
- * the expired signal for.) Not doing so would be quite
- * tricky here, but we may need to fix it later.
- */
-
- if (local->ops->remain_on_channel) {
- if (found->started) {
- ret = drv_cancel_remain_on_channel(local);
- if (WARN_ON_ONCE(ret)) {
- mutex_unlock(&local->mtx);
- return ret;
- }
- }
-
- list_del(&found->list);
-
- if (found->started)
- ieee80211_start_next_roc(local);
- mutex_unlock(&local->mtx);
-
- ieee80211_roc_notify_destroy(found, true);
- } else {
- /* work may be pending so use it all the time */
- found->abort = true;
- ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
-
- mutex_unlock(&local->mtx);
-
- /* work will clean up etc */
- flush_delayed_work(&found->work);
- WARN_ON(!found->to_be_freed);
- kfree(found);
- }
-
- return 0;
-}
-
-static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- u64 cookie)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
- struct ieee80211_local *local = sdata->local;
-
- return ieee80211_cancel_roc(local, cookie, false);
-}
-
static int ieee80211_start_radar_detection(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_chan_def *chandef,
@@ -3267,9 +2974,21 @@
return err;
}
-static struct sk_buff *ieee80211_make_ack_skb(struct ieee80211_local *local,
- struct sk_buff *skb, u64 *cookie,
- gfp_t gfp)
+u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
+{
+ lockdep_assert_held(&local->mtx);
+
+ local->roc_cookie_counter++;
+
+ /* wow, you wrapped 64 bits ... more likely a bug */
+ if (WARN_ON(local->roc_cookie_counter == 0))
+ local->roc_cookie_counter++;
+
+ return local->roc_cookie_counter;
+}
+
+int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
+ u64 *cookie, gfp_t gfp)
{
unsigned long spin_flags;
struct sk_buff *ack_skb;
@@ -3277,7 +2996,7 @@
ack_skb = skb_copy(skb, gfp);
if (!ack_skb)
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
spin_lock_irqsave(&local->ack_status_lock, spin_flags);
id = idr_alloc(&local->ack_status_frames, ack_skb,
@@ -3286,7 +3005,7 @@
if (id < 0) {
kfree_skb(ack_skb);
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
}
IEEE80211_SKB_CB(skb)->ack_frame_id = id;
@@ -3294,204 +3013,7 @@
*cookie = ieee80211_mgmt_tx_cookie(local);
IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
- return ack_skb;
-}
-
-static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
- struct cfg80211_mgmt_tx_params *params,
- u64 *cookie)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
- struct ieee80211_local *local = sdata->local;
- struct sk_buff *skb, *ack_skb;
- struct sta_info *sta;
- const struct ieee80211_mgmt *mgmt = (void *)params->buf;
- bool need_offchan = false;
- u32 flags;
- int ret;
- u8 *data;
-
- if (params->dont_wait_for_ack)
- flags = IEEE80211_TX_CTL_NO_ACK;
- else
- flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
- IEEE80211_TX_CTL_REQ_TX_STATUS;
-
- if (params->no_cck)
- flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
-
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_ADHOC:
- if (!sdata->vif.bss_conf.ibss_joined)
- need_offchan = true;
- /* fall through */
-#ifdef CONFIG_MAC80211_MESH
- case NL80211_IFTYPE_MESH_POINT:
- if (ieee80211_vif_is_mesh(&sdata->vif) &&
- !sdata->u.mesh.mesh_id_len)
- need_offchan = true;
- /* fall through */
-#endif
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_AP_VLAN:
- case NL80211_IFTYPE_P2P_GO:
- if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
- !ieee80211_vif_is_mesh(&sdata->vif) &&
- !rcu_access_pointer(sdata->bss->beacon))
- need_offchan = true;
- if (!ieee80211_is_action(mgmt->frame_control) ||
- mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
- mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
- mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
- break;
- rcu_read_lock();
- sta = sta_info_get(sdata, mgmt->da);
- rcu_read_unlock();
- if (!sta)
- return -ENOLINK;
- break;
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_P2P_CLIENT:
- sdata_lock(sdata);
- if (!sdata->u.mgd.associated ||
- (params->offchan && params->wait &&
- local->ops->remain_on_channel &&
- memcmp(sdata->u.mgd.associated->bssid,
- mgmt->bssid, ETH_ALEN)))
- need_offchan = true;
- sdata_unlock(sdata);
- break;
- case NL80211_IFTYPE_P2P_DEVICE:
- need_offchan = true;
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- /* configurations requiring offchan cannot work if no channel has been
- * specified
- */
- if (need_offchan && !params->chan)
- return -EINVAL;
-
- mutex_lock(&local->mtx);
-
- /* Check if the operating channel is the requested channel */
- if (!need_offchan) {
- struct ieee80211_chanctx_conf *chanctx_conf;
-
- rcu_read_lock();
- chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
-
- if (chanctx_conf) {
- need_offchan = params->chan &&
- (params->chan !=
- chanctx_conf->def.chan);
- } else if (!params->chan) {
- ret = -EINVAL;
- rcu_read_unlock();
- goto out_unlock;
- } else {
- need_offchan = true;
- }
- rcu_read_unlock();
- }
-
- if (need_offchan && !params->offchan) {
- ret = -EBUSY;
- goto out_unlock;
- }
-
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
- if (!skb) {
- ret = -ENOMEM;
- goto out_unlock;
- }
- skb_reserve(skb, local->hw.extra_tx_headroom);
-
- data = skb_put(skb, params->len);
- memcpy(data, params->buf, params->len);
-
- /* Update CSA counters */
- if (sdata->vif.csa_active &&
- (sdata->vif.type == NL80211_IFTYPE_AP ||
- sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
- params->n_csa_offsets) {
- int i;
- struct beacon_data *beacon = NULL;
-
- rcu_read_lock();
-
- if (sdata->vif.type == NL80211_IFTYPE_AP)
- beacon = rcu_dereference(sdata->u.ap.beacon);
- else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- beacon = rcu_dereference(sdata->u.ibss.presp);
- else if (ieee80211_vif_is_mesh(&sdata->vif))
- beacon = rcu_dereference(sdata->u.mesh.beacon);
-
- if (beacon)
- for (i = 0; i < params->n_csa_offsets; i++)
- data[params->csa_offsets[i]] =
- beacon->csa_current_counter;
-
- rcu_read_unlock();
- }
-
- IEEE80211_SKB_CB(skb)->flags = flags;
-
- skb->dev = sdata->dev;
-
- if (!params->dont_wait_for_ack) {
- /* make a copy to preserve the frame contents
- * in case of encryption.
- */
- ack_skb = ieee80211_make_ack_skb(local, skb, cookie,
- GFP_KERNEL);
- if (IS_ERR(ack_skb)) {
- ret = PTR_ERR(ack_skb);
- kfree_skb(skb);
- goto out_unlock;
- }
- } else {
- /* Assign a dummy non-zero cookie, it's not sent to
- * userspace in this case but we rely on its value
- * internally in the need_offchan case to distinguish
- * mgmt-tx from remain-on-channel.
- */
- *cookie = 0xffffffff;
- }
-
- if (!need_offchan) {
- ieee80211_tx_skb(sdata, skb);
- ret = 0;
- goto out_unlock;
- }
-
- IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
- IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
- if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))
- IEEE80211_SKB_CB(skb)->hw_queue =
- local->hw.offchannel_tx_hw_queue;
-
- /* This will handle all kinds of coalescing and immediate TX */
- ret = ieee80211_start_roc_work(local, sdata, params->chan,
- params->wait, cookie, skb,
- IEEE80211_ROC_TYPE_MGMT_TX);
- if (ret)
- kfree_skb(skb);
- out_unlock:
- mutex_unlock(&local->mtx);
- return ret;
-}
-
-static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- u64 cookie)
-{
- struct ieee80211_local *local = wiphy_priv(wiphy);
-
- return ieee80211_cancel_roc(local, cookie, true);
+ return 0;
}
static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
@@ -3569,7 +3091,7 @@
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
struct ieee80211_qos_hdr *nullfunc;
- struct sk_buff *skb, *ack_skb;
+ struct sk_buff *skb;
int size = sizeof(*nullfunc);
__le16 fc;
bool qos;
@@ -3637,10 +3159,9 @@
if (qos)
nullfunc->qos_ctrl = cpu_to_le16(7);
- ack_skb = ieee80211_make_ack_skb(local, skb, cookie, GFP_ATOMIC);
- if (IS_ERR(ack_skb)) {
+ ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
+ if (ret) {
kfree_skb(skb);
- ret = PTR_ERR(ack_skb);
goto unlock;
}
@@ -3842,6 +3363,7 @@
.suspend = ieee80211_suspend,
.resume = ieee80211_resume,
.scan = ieee80211_scan,
+ .abort_scan = ieee80211_abort_scan,
.sched_scan_start = ieee80211_sched_scan_start,
.sched_scan_stop = ieee80211_sched_scan_stop,
.auth = ieee80211_auth,
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 4d2aaeb..abbdff0 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -125,6 +125,7 @@
FLAG(TDLS_WIDER_BW),
FLAG(SUPPORTS_AMSDU_IN_AMPDU),
FLAG(BEACON_TX_STATUS),
+ FLAG(NEEDS_UNIQUE_STA_ADDR),
/* keep last for the build bug below */
(void *)0x1
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 337bb5d..f7fc0e0 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -428,6 +428,7 @@
chandef.width = sdata->u.ibss.chandef.width;
break;
case NL80211_CHAN_WIDTH_80:
+ case NL80211_CHAN_WIDTH_80P80:
case NL80211_CHAN_WIDTH_160:
chandef = sdata->u.ibss.chandef;
chandef.chan = cbss->channel;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index d832bd5..c30b684 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -325,19 +325,15 @@
struct ieee80211_roc_work {
struct list_head list;
- struct list_head dependents;
-
- struct delayed_work work;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_channel *chan;
bool started, abort, hw_begun, notified;
- bool to_be_freed;
bool on_channel;
- unsigned long hw_start_time;
+ unsigned long start_time;
u32 duration, req_duration;
struct sk_buff *frame;
@@ -1335,6 +1331,7 @@
/*
* Remain-on-channel support
*/
+ struct delayed_work roc_work;
struct list_head roc_list;
struct work_struct hw_roc_start, hw_roc_done;
unsigned long hw_roc_start_time;
@@ -1483,6 +1480,10 @@
void ieee80211_configure_filter(struct ieee80211_local *local);
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
+u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local);
+int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
+ u64 *cookie, gfp_t gfp);
+
/* STA code */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
@@ -1577,16 +1578,22 @@
void ieee80211_sched_scan_end(struct ieee80211_local *local);
void ieee80211_sched_scan_stopped_work(struct work_struct *work);
-/* off-channel helpers */
+/* off-channel/mgmt-tx */
void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
void ieee80211_offchannel_return(struct ieee80211_local *local);
void ieee80211_roc_setup(struct ieee80211_local *local);
void ieee80211_start_next_roc(struct ieee80211_local *local);
void ieee80211_roc_purge(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata);
-void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free);
-void ieee80211_sw_roc_work(struct work_struct *work);
-void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc);
+int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct ieee80211_channel *chan,
+ unsigned int duration, u64 *cookie);
+int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
+ struct wireless_dev *wdev, u64 cookie);
+int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct cfg80211_mgmt_tx_params *params, u64 *cookie);
+int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
+ struct wireless_dev *wdev, u64 cookie);
/* channel switch handling */
void ieee80211_csa_finalize_work(struct work_struct *work);
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 44388d6..5e5bc59 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -4,6 +4,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright 2015 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -320,7 +321,7 @@
return;
if (new)
- list_add_tail(&new->list, &sdata->key_list);
+ list_add_tail_rcu(&new->list, &sdata->key_list);
WARN_ON(new && old && new->conf.keyidx != old->conf.keyidx);
@@ -368,7 +369,7 @@
}
if (old)
- list_del(&old->list);
+ list_del_rcu(&old->list);
}
struct ieee80211_key *
@@ -592,8 +593,8 @@
return;
/*
- * Synchronize so the TX path can no longer be using
- * this key before we free/remove it.
+ * Synchronize so the TX path and rcu key iterators
+ * can no longer be using this key before we free/remove it.
*/
synchronize_net();
@@ -744,6 +745,53 @@
}
EXPORT_SYMBOL(ieee80211_iter_keys);
+static void
+_ieee80211_iter_keys_rcu(struct ieee80211_hw *hw,
+ struct ieee80211_sub_if_data *sdata,
+ void (*iter)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key,
+ void *data),
+ void *iter_data)
+{
+ struct ieee80211_key *key;
+
+ list_for_each_entry_rcu(key, &sdata->key_list, list) {
+ /* skip keys of station in removal process */
+ if (key->sta && key->sta->removed)
+ continue;
+ if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
+ continue;
+
+ iter(hw, &sdata->vif,
+ key->sta ? &key->sta->sta : NULL,
+ &key->conf, iter_data);
+ }
+}
+
+void ieee80211_iter_keys_rcu(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ void (*iter)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key,
+ void *data),
+ void *iter_data)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_sub_if_data *sdata;
+
+ if (vif) {
+ sdata = vif_to_sdata(vif);
+ _ieee80211_iter_keys_rcu(hw, sdata, iter, iter_data);
+ } else {
+ list_for_each_entry_rcu(sdata, &local->interfaces, list)
+ _ieee80211_iter_keys_rcu(hw, sdata, iter, iter_data);
+ }
+}
+EXPORT_SYMBOL(ieee80211_iter_keys_rcu);
+
static void ieee80211_free_keys_iface(struct ieee80211_sub_if_data *sdata,
struct list_head *keys)
{
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 175ffcf..6bcf0fa 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -541,7 +541,8 @@
NL80211_FEATURE_HT_IBSS |
NL80211_FEATURE_VIF_TXPOWER |
NL80211_FEATURE_MAC_ON_CREATE |
- NL80211_FEATURE_USERSPACE_MPM;
+ NL80211_FEATURE_USERSPACE_MPM |
+ NL80211_FEATURE_FULL_AP_CLIENT_STATE;
if (!ops->hw_scan)
wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN |
@@ -1148,6 +1149,7 @@
rtnl_unlock();
+ cancel_delayed_work_sync(&local->roc_work);
cancel_work_sync(&local->restart_work);
cancel_work_sync(&local->reconfig_filter);
cancel_work_sync(&local->tdls_chsw_work);
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index b3b44a5..dadf8dc 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -968,8 +968,8 @@
copy = true;
} else {
mpath_dbg(sdata,
- "Not forwarding %p (flags %#x)\n",
- gate->mpath, gate->mpath->flags);
+ "Not forwarding to %pM (flags %#x)\n",
+ gate->mpath->dst, gate->mpath->flags);
}
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index b140cc6..123b26d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1930,7 +1930,8 @@
sdata->u.mgd.flags |= IEEE80211_STA_RESET_SIGNAL_AVE;
- if (sdata->vif.p2p) {
+ if (sdata->vif.p2p ||
+ sdata->vif.driver_flags & IEEE80211_VIF_GET_NOA_UPDATE) {
const struct cfg80211_bss_ies *ies;
rcu_read_lock();
@@ -3458,7 +3459,8 @@
}
}
- if (sdata->vif.p2p) {
+ if (sdata->vif.p2p ||
+ sdata->vif.driver_flags & IEEE80211_VIF_GET_NOA_UPDATE) {
struct ieee80211_p2p_noa_attr noa = {};
int ret;
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 0440103..8b2f4ea 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -187,11 +187,80 @@
false);
}
-void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc)
+static void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc)
{
- if (roc->notified)
+ /* was never transmitted */
+ if (roc->frame) {
+ cfg80211_mgmt_tx_status(&roc->sdata->wdev, roc->mgmt_tx_cookie,
+ roc->frame->data, roc->frame->len,
+ false, GFP_KERNEL);
+ ieee80211_free_txskb(&roc->sdata->local->hw, roc->frame);
+ }
+
+ if (!roc->mgmt_tx_cookie)
+ cfg80211_remain_on_channel_expired(&roc->sdata->wdev,
+ roc->cookie, roc->chan,
+ GFP_KERNEL);
+
+ list_del(&roc->list);
+ kfree(roc);
+}
+
+static unsigned long ieee80211_end_finished_rocs(struct ieee80211_local *local,
+ unsigned long now)
+{
+ struct ieee80211_roc_work *roc, *tmp;
+ long remaining_dur_min = LONG_MAX;
+
+ lockdep_assert_held(&local->mtx);
+
+ list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
+ long remaining;
+
+ if (!roc->started)
+ break;
+
+ remaining = roc->start_time +
+ msecs_to_jiffies(roc->duration) -
+ now;
+
+ /* In case of HW ROC, it is possible that the HW finished the
+ * ROC session before the actual requested time. In such a case
+ * end the ROC session (disregarding the remaining time).
+ */
+ if (roc->abort || roc->hw_begun || remaining <= 0)
+ ieee80211_roc_notify_destroy(roc);
+ else
+ remaining_dur_min = min(remaining_dur_min, remaining);
+ }
+
+ return remaining_dur_min;
+}
+
+static bool ieee80211_recalc_sw_work(struct ieee80211_local *local,
+ unsigned long now)
+{
+ long dur = ieee80211_end_finished_rocs(local, now);
+
+ if (dur == LONG_MAX)
+ return false;
+
+ mod_delayed_work(local->workqueue, &local->roc_work, dur);
+ return true;
+}
+
+static void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc,
+ unsigned long start_time)
+{
+ struct ieee80211_local *local = roc->sdata->local;
+
+ if (WARN_ON(roc->notified))
return;
+ roc->start_time = start_time;
+ roc->started = true;
+ roc->hw_begun = true;
+
if (roc->mgmt_tx_cookie) {
if (!WARN_ON(!roc->frame)) {
ieee80211_tx_skb_tid_band(roc->sdata, roc->frame, 7,
@@ -205,40 +274,26 @@
}
roc->notified = true;
+
+ if (!local->ops->remain_on_channel)
+ ieee80211_recalc_sw_work(local, start_time);
}
static void ieee80211_hw_roc_start(struct work_struct *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, hw_roc_start);
- struct ieee80211_roc_work *roc, *dep, *tmp;
+ struct ieee80211_roc_work *roc;
mutex_lock(&local->mtx);
- if (list_empty(&local->roc_list))
- goto out_unlock;
+ list_for_each_entry(roc, &local->roc_list, list) {
+ if (!roc->started)
+ break;
- roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,
- list);
-
- if (!roc->started)
- goto out_unlock;
-
- roc->hw_begun = true;
- roc->hw_start_time = local->hw_roc_start_time;
-
- ieee80211_handle_roc_started(roc);
- list_for_each_entry_safe(dep, tmp, &roc->dependents, list) {
- ieee80211_handle_roc_started(dep);
-
- if (dep->duration > roc->duration) {
- u32 dur = dep->duration;
- dep->duration = dur - roc->duration;
- roc->duration = dur;
- list_move(&dep->list, &roc->list);
- }
+ ieee80211_handle_roc_started(roc, local->hw_roc_start_time);
}
- out_unlock:
+
mutex_unlock(&local->mtx);
}
@@ -254,34 +309,40 @@
}
EXPORT_SYMBOL_GPL(ieee80211_ready_on_channel);
-void ieee80211_start_next_roc(struct ieee80211_local *local)
+static void _ieee80211_start_next_roc(struct ieee80211_local *local)
{
- struct ieee80211_roc_work *roc;
+ struct ieee80211_roc_work *roc, *tmp;
+ enum ieee80211_roc_type type;
+ u32 min_dur, max_dur;
lockdep_assert_held(&local->mtx);
- if (list_empty(&local->roc_list)) {
- ieee80211_run_deferred_scan(local);
+ if (WARN_ON(list_empty(&local->roc_list)))
return;
- }
roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,
list);
- if (WARN_ON_ONCE(roc->started))
+ if (WARN_ON(roc->started))
return;
+ min_dur = roc->duration;
+ max_dur = roc->duration;
+ type = roc->type;
+
+ list_for_each_entry(tmp, &local->roc_list, list) {
+ if (tmp == roc)
+ continue;
+ if (tmp->sdata != roc->sdata || tmp->chan != roc->chan)
+ break;
+ max_dur = max(tmp->duration, max_dur);
+ min_dur = min(tmp->duration, min_dur);
+ type = max(tmp->type, type);
+ }
+
if (local->ops->remain_on_channel) {
- int ret, duration = roc->duration;
-
- /* XXX: duplicated, see ieee80211_start_roc_work() */
- if (!duration)
- duration = 10;
-
- ret = drv_remain_on_channel(local, roc->sdata, roc->chan,
- duration, roc->type);
-
- roc->started = true;
+ int ret = drv_remain_on_channel(local, roc->sdata, roc->chan,
+ max_dur, type);
if (ret) {
wiphy_warn(local->hw.wiphy,
@@ -290,74 +351,24 @@
* queue the work struct again to avoid recursion
* when multiple failures occur
*/
- ieee80211_remain_on_channel_expired(&local->hw);
+ list_for_each_entry(tmp, &local->roc_list, list) {
+ if (tmp->sdata != roc->sdata ||
+ tmp->chan != roc->chan)
+ break;
+ tmp->started = true;
+ tmp->abort = true;
+ }
+ ieee80211_queue_work(&local->hw, &local->hw_roc_done);
+ return;
+ }
+
+ /* we'll notify about the start once the HW calls back */
+ list_for_each_entry(tmp, &local->roc_list, list) {
+ if (tmp->sdata != roc->sdata || tmp->chan != roc->chan)
+ break;
+ tmp->started = true;
}
} else {
- /* delay it a bit */
- ieee80211_queue_delayed_work(&local->hw, &roc->work,
- round_jiffies_relative(HZ/2));
- }
-}
-
-void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free)
-{
- struct ieee80211_roc_work *dep, *tmp;
-
- if (WARN_ON(roc->to_be_freed))
- return;
-
- /* was never transmitted */
- if (roc->frame) {
- cfg80211_mgmt_tx_status(&roc->sdata->wdev,
- (unsigned long)roc->frame,
- roc->frame->data, roc->frame->len,
- false, GFP_KERNEL);
- kfree_skb(roc->frame);
- }
-
- if (!roc->mgmt_tx_cookie)
- cfg80211_remain_on_channel_expired(&roc->sdata->wdev,
- roc->cookie, roc->chan,
- GFP_KERNEL);
-
- list_for_each_entry_safe(dep, tmp, &roc->dependents, list)
- ieee80211_roc_notify_destroy(dep, true);
-
- if (free)
- kfree(roc);
- else
- roc->to_be_freed = true;
-}
-
-void ieee80211_sw_roc_work(struct work_struct *work)
-{
- struct ieee80211_roc_work *roc =
- container_of(work, struct ieee80211_roc_work, work.work);
- struct ieee80211_sub_if_data *sdata = roc->sdata;
- struct ieee80211_local *local = sdata->local;
- bool started, on_channel;
-
- mutex_lock(&local->mtx);
-
- if (roc->to_be_freed)
- goto out_unlock;
-
- if (roc->abort)
- goto finish;
-
- if (WARN_ON(list_empty(&local->roc_list)))
- goto out_unlock;
-
- if (WARN_ON(roc != list_first_entry(&local->roc_list,
- struct ieee80211_roc_work,
- list)))
- goto out_unlock;
-
- if (!roc->started) {
- struct ieee80211_roc_work *dep;
-
- WARN_ON(local->use_chanctx);
-
/* If actually operating on the desired channel (with at least
* 20 MHz channel width) don't stop all the operations but still
* treat it as though the ROC operation started properly, so
@@ -377,27 +388,72 @@
ieee80211_hw_config(local, 0);
}
- /* tell userspace or send frame */
- ieee80211_handle_roc_started(roc);
- list_for_each_entry(dep, &roc->dependents, list)
- ieee80211_handle_roc_started(dep);
+ ieee80211_queue_delayed_work(&local->hw, &local->roc_work,
+ msecs_to_jiffies(min_dur));
- /* if it was pure TX, just finish right away */
- if (!roc->duration)
- goto finish;
+ /* tell userspace or send frame(s) */
+ list_for_each_entry(tmp, &local->roc_list, list) {
+ if (tmp->sdata != roc->sdata || tmp->chan != roc->chan)
+ break;
- roc->started = true;
- ieee80211_queue_delayed_work(&local->hw, &roc->work,
- msecs_to_jiffies(roc->duration));
+ tmp->on_channel = roc->on_channel;
+ ieee80211_handle_roc_started(tmp, jiffies);
+ }
+ }
+}
+
+void ieee80211_start_next_roc(struct ieee80211_local *local)
+{
+ struct ieee80211_roc_work *roc;
+
+ lockdep_assert_held(&local->mtx);
+
+ if (list_empty(&local->roc_list)) {
+ ieee80211_run_deferred_scan(local);
+ return;
+ }
+
+ roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,
+ list);
+
+ if (WARN_ON_ONCE(roc->started))
+ return;
+
+ if (local->ops->remain_on_channel) {
+ _ieee80211_start_next_roc(local);
} else {
- /* finish this ROC */
- finish:
- list_del(&roc->list);
- started = roc->started;
- on_channel = roc->on_channel;
- ieee80211_roc_notify_destroy(roc, !roc->abort);
+ /* delay it a bit */
+ ieee80211_queue_delayed_work(&local->hw, &local->roc_work,
+ round_jiffies_relative(HZ/2));
+ }
+}
- if (started && !on_channel) {
+static void __ieee80211_roc_work(struct ieee80211_local *local)
+{
+ struct ieee80211_roc_work *roc;
+ bool on_channel;
+
+ lockdep_assert_held(&local->mtx);
+
+ if (WARN_ON(local->ops->remain_on_channel))
+ return;
+
+ roc = list_first_entry_or_null(&local->roc_list,
+ struct ieee80211_roc_work, list);
+ if (!roc)
+ return;
+
+ if (!roc->started) {
+ WARN_ON(local->use_chanctx);
+ _ieee80211_start_next_roc(local);
+ } else {
+ on_channel = roc->on_channel;
+ if (ieee80211_recalc_sw_work(local, jiffies))
+ return;
+
+ /* careful - roc pointer became invalid during recalc */
+
+ if (!on_channel) {
ieee80211_flush_queues(local, NULL, false);
local->tmp_channel = NULL;
@@ -407,14 +463,17 @@
}
ieee80211_recalc_idle(local);
-
- if (started)
- ieee80211_start_next_roc(local);
- else if (list_empty(&local->roc_list))
- ieee80211_run_deferred_scan(local);
+ ieee80211_start_next_roc(local);
}
+}
- out_unlock:
+static void ieee80211_roc_work(struct work_struct *work)
+{
+ struct ieee80211_local *local =
+ container_of(work, struct ieee80211_local, roc_work.work);
+
+ mutex_lock(&local->mtx);
+ __ieee80211_roc_work(local);
mutex_unlock(&local->mtx);
}
@@ -422,27 +481,14 @@
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, hw_roc_done);
- struct ieee80211_roc_work *roc;
mutex_lock(&local->mtx);
- if (list_empty(&local->roc_list))
- goto out_unlock;
-
- roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,
- list);
-
- if (!roc->started)
- goto out_unlock;
-
- list_del(&roc->list);
-
- ieee80211_roc_notify_destroy(roc, true);
+ ieee80211_end_finished_rocs(local, jiffies);
/* if there's another roc, start it now */
ieee80211_start_next_roc(local);
- out_unlock:
mutex_unlock(&local->mtx);
}
@@ -456,10 +502,472 @@
}
EXPORT_SYMBOL_GPL(ieee80211_remain_on_channel_expired);
+static bool
+ieee80211_coalesce_hw_started_roc(struct ieee80211_local *local,
+ struct ieee80211_roc_work *new_roc,
+ struct ieee80211_roc_work *cur_roc)
+{
+ unsigned long now = jiffies;
+ unsigned long remaining;
+
+ if (WARN_ON(!cur_roc->started))
+ return false;
+
+ /* if it was scheduled in the hardware, but not started yet,
+ * we can only combine if the older one had a longer duration
+ */
+ if (!cur_roc->hw_begun && new_roc->duration > cur_roc->duration)
+ return false;
+
+ remaining = cur_roc->start_time +
+ msecs_to_jiffies(cur_roc->duration) -
+ now;
+
+ /* if it doesn't fit entirely, schedule a new one */
+ if (new_roc->duration > jiffies_to_msecs(remaining))
+ return false;
+
+ /* add just after the current one so we combine their finish later */
+ list_add(&new_roc->list, &cur_roc->list);
+
+ /* if the existing one has already begun then let this one also
+ * begin, otherwise they'll both be marked properly by the work
+ * struct that runs once the driver notifies us of the beginning
+ */
+ if (cur_roc->hw_begun)
+ ieee80211_handle_roc_started(new_roc, now);
+
+ return true;
+}
+
+static int ieee80211_start_roc_work(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel *channel,
+ unsigned int duration, u64 *cookie,
+ struct sk_buff *txskb,
+ enum ieee80211_roc_type type)
+{
+ struct ieee80211_roc_work *roc, *tmp;
+ bool queued = false, combine_started = true;
+ int ret;
+
+ lockdep_assert_held(&local->mtx);
+
+ if (local->use_chanctx && !local->ops->remain_on_channel)
+ return -EOPNOTSUPP;
+
+ roc = kzalloc(sizeof(*roc), GFP_KERNEL);
+ if (!roc)
+ return -ENOMEM;
+
+ /*
+ * If the duration is zero, then the driver
+ * wouldn't actually do anything. Set it to
+ * 10 for now.
+ *
+ * TODO: cancel the off-channel operation
+ * when we get the SKB's TX status and
+ * the wait time was zero before.
+ */
+ if (!duration)
+ duration = 10;
+
+ roc->chan = channel;
+ roc->duration = duration;
+ roc->req_duration = duration;
+ roc->frame = txskb;
+ roc->type = type;
+ roc->sdata = sdata;
+
+ /*
+ * cookie is either the roc cookie (for normal roc)
+ * or the SKB (for mgmt TX)
+ */
+ if (!txskb) {
+ roc->cookie = ieee80211_mgmt_tx_cookie(local);
+ *cookie = roc->cookie;
+ } else {
+ roc->mgmt_tx_cookie = *cookie;
+ }
+
+ /* if there's no need to queue, handle it immediately */
+ if (list_empty(&local->roc_list) &&
+ !local->scanning && !ieee80211_is_radar_required(local)) {
+ /* if not HW assist, just queue & schedule work */
+ if (!local->ops->remain_on_channel) {
+ list_add_tail(&roc->list, &local->roc_list);
+ ieee80211_queue_delayed_work(&local->hw,
+ &local->roc_work, 0);
+ } else {
+ /* otherwise actually kick it off here
+ * (for error handling)
+ */
+ ret = drv_remain_on_channel(local, sdata, channel,
+ duration, type);
+ if (ret) {
+ kfree(roc);
+ return ret;
+ }
+ roc->started = true;
+ list_add_tail(&roc->list, &local->roc_list);
+ }
+
+ return 0;
+ }
+
+ /* otherwise handle queueing */
+
+ list_for_each_entry(tmp, &local->roc_list, list) {
+ if (tmp->chan != channel || tmp->sdata != sdata)
+ continue;
+
+ /*
+ * Extend this ROC if possible: If it hasn't started, add
+ * just after the new one to combine.
+ */
+ if (!tmp->started) {
+ list_add(&roc->list, &tmp->list);
+ queued = true;
+ break;
+ }
+
+ if (!combine_started)
+ continue;
+
+ if (!local->ops->remain_on_channel) {
+ /* If there's no hardware remain-on-channel, and
+ * doing so won't push us over the maximum r-o-c
+ * we allow, then we can just add the new one to
+ * the list and mark it as having started now.
+ * If it would push over the limit, don't try to
+ * combine with other started ones (that haven't
+ * been running as long) but potentially sort it
+ * with others that had the same fate.
+ */
+ unsigned long now = jiffies;
+ u32 elapsed = jiffies_to_msecs(now - tmp->start_time);
+ struct wiphy *wiphy = local->hw.wiphy;
+ u32 max_roc = wiphy->max_remain_on_channel_duration;
+
+ if (elapsed + roc->duration > max_roc) {
+ combine_started = false;
+ continue;
+ }
+
+ list_add(&roc->list, &tmp->list);
+ queued = true;
+ roc->on_channel = tmp->on_channel;
+ ieee80211_handle_roc_started(roc, now);
+ break;
+ }
+
+ queued = ieee80211_coalesce_hw_started_roc(local, roc, tmp);
+ if (queued)
+ break;
+ /* if it wasn't queued, perhaps it can be combined with
+ * another that also couldn't get combined previously,
+ * but no need to check for already started ones, since
+ * that can't work.
+ */
+ combine_started = false;
+ }
+
+ if (!queued)
+ list_add_tail(&roc->list, &local->roc_list);
+
+ return 0;
+}
+
+int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct ieee80211_channel *chan,
+ unsigned int duration, u64 *cookie)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+ struct ieee80211_local *local = sdata->local;
+ int ret;
+
+ mutex_lock(&local->mtx);
+ ret = ieee80211_start_roc_work(local, sdata, chan,
+ duration, cookie, NULL,
+ IEEE80211_ROC_TYPE_NORMAL);
+ mutex_unlock(&local->mtx);
+
+ return ret;
+}
+
+static int ieee80211_cancel_roc(struct ieee80211_local *local,
+ u64 cookie, bool mgmt_tx)
+{
+ struct ieee80211_roc_work *roc, *tmp, *found = NULL;
+ int ret;
+
+ if (!cookie)
+ return -ENOENT;
+
+ mutex_lock(&local->mtx);
+ list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
+ if (!mgmt_tx && roc->cookie != cookie)
+ continue;
+ else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
+ continue;
+
+ found = roc;
+ break;
+ }
+
+ if (!found) {
+ mutex_unlock(&local->mtx);
+ return -ENOENT;
+ }
+
+ if (!found->started) {
+ ieee80211_roc_notify_destroy(found);
+ goto out_unlock;
+ }
+
+ if (local->ops->remain_on_channel) {
+ ret = drv_cancel_remain_on_channel(local);
+ if (WARN_ON_ONCE(ret)) {
+ mutex_unlock(&local->mtx);
+ return ret;
+ }
+
+ /* TODO:
+ * if multiple items were combined here then we really shouldn't
+ * cancel them all - we should wait for as much time as needed
+ * for the longest remaining one, and only then cancel ...
+ */
+ list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
+ if (!roc->started)
+ break;
+ if (roc == found)
+ found = NULL;
+ ieee80211_roc_notify_destroy(roc);
+ }
+
+ /* that really must not happen - it was started */
+ WARN_ON(found);
+
+ ieee80211_start_next_roc(local);
+ } else {
+ /* go through work struct to return to the operating channel */
+ found->abort = true;
+ mod_delayed_work(local->workqueue, &local->roc_work, 0);
+ }
+
+ out_unlock:
+ mutex_unlock(&local->mtx);
+
+ return 0;
+}
+
+int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
+ struct wireless_dev *wdev, u64 cookie)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+ struct ieee80211_local *local = sdata->local;
+
+ return ieee80211_cancel_roc(local, cookie, false);
+}
+
+int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct cfg80211_mgmt_tx_params *params, u64 *cookie)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+ struct ieee80211_local *local = sdata->local;
+ struct sk_buff *skb;
+ struct sta_info *sta;
+ const struct ieee80211_mgmt *mgmt = (void *)params->buf;
+ bool need_offchan = false;
+ u32 flags;
+ int ret;
+ u8 *data;
+
+ if (params->dont_wait_for_ack)
+ flags = IEEE80211_TX_CTL_NO_ACK;
+ else
+ flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
+ IEEE80211_TX_CTL_REQ_TX_STATUS;
+
+ if (params->no_cck)
+ flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_ADHOC:
+ if (!sdata->vif.bss_conf.ibss_joined)
+ need_offchan = true;
+ /* fall through */
+#ifdef CONFIG_MAC80211_MESH
+ case NL80211_IFTYPE_MESH_POINT:
+ if (ieee80211_vif_is_mesh(&sdata->vif) &&
+ !sdata->u.mesh.mesh_id_len)
+ need_offchan = true;
+ /* fall through */
+#endif
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_GO:
+ if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+ !ieee80211_vif_is_mesh(&sdata->vif) &&
+ !rcu_access_pointer(sdata->bss->beacon))
+ need_offchan = true;
+ if (!ieee80211_is_action(mgmt->frame_control) ||
+ mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
+ mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
+ mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
+ break;
+ rcu_read_lock();
+ sta = sta_info_get(sdata, mgmt->da);
+ rcu_read_unlock();
+ if (!sta)
+ return -ENOLINK;
+ break;
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ sdata_lock(sdata);
+ if (!sdata->u.mgd.associated ||
+ (params->offchan && params->wait &&
+ local->ops->remain_on_channel &&
+ memcmp(sdata->u.mgd.associated->bssid,
+ mgmt->bssid, ETH_ALEN)))
+ need_offchan = true;
+ sdata_unlock(sdata);
+ break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ need_offchan = true;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ /* configurations requiring offchan cannot work if no channel has been
+ * specified
+ */
+ if (need_offchan && !params->chan)
+ return -EINVAL;
+
+ mutex_lock(&local->mtx);
+
+ /* Check if the operating channel is the requested channel */
+ if (!need_offchan) {
+ struct ieee80211_chanctx_conf *chanctx_conf;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+
+ if (chanctx_conf) {
+ need_offchan = params->chan &&
+ (params->chan !=
+ chanctx_conf->def.chan);
+ } else if (!params->chan) {
+ ret = -EINVAL;
+ rcu_read_unlock();
+ goto out_unlock;
+ } else {
+ need_offchan = true;
+ }
+ rcu_read_unlock();
+ }
+
+ if (need_offchan && !params->offchan) {
+ ret = -EBUSY;
+ goto out_unlock;
+ }
+
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
+ if (!skb) {
+ ret = -ENOMEM;
+ goto out_unlock;
+ }
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+
+ data = skb_put(skb, params->len);
+ memcpy(data, params->buf, params->len);
+
+ /* Update CSA counters */
+ if (sdata->vif.csa_active &&
+ (sdata->vif.type == NL80211_IFTYPE_AP ||
+ sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
+ sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
+ params->n_csa_offsets) {
+ int i;
+ struct beacon_data *beacon = NULL;
+
+ rcu_read_lock();
+
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
+ beacon = rcu_dereference(sdata->u.ap.beacon);
+ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ beacon = rcu_dereference(sdata->u.ibss.presp);
+ else if (ieee80211_vif_is_mesh(&sdata->vif))
+ beacon = rcu_dereference(sdata->u.mesh.beacon);
+
+ if (beacon)
+ for (i = 0; i < params->n_csa_offsets; i++)
+ data[params->csa_offsets[i]] =
+ beacon->csa_current_counter;
+
+ rcu_read_unlock();
+ }
+
+ IEEE80211_SKB_CB(skb)->flags = flags;
+
+ skb->dev = sdata->dev;
+
+ if (!params->dont_wait_for_ack) {
+ /* make a copy to preserve the frame contents
+ * in case of encryption.
+ */
+ ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_KERNEL);
+ if (ret) {
+ kfree_skb(skb);
+ goto out_unlock;
+ }
+ } else {
+ /* Assign a dummy non-zero cookie, it's not sent to
+ * userspace in this case but we rely on its value
+ * internally in the need_offchan case to distinguish
+ * mgmt-tx from remain-on-channel.
+ */
+ *cookie = 0xffffffff;
+ }
+
+ if (!need_offchan) {
+ ieee80211_tx_skb(sdata, skb);
+ ret = 0;
+ goto out_unlock;
+ }
+
+ IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
+ IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
+ if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))
+ IEEE80211_SKB_CB(skb)->hw_queue =
+ local->hw.offchannel_tx_hw_queue;
+
+ /* This will handle all kinds of coalescing and immediate TX */
+ ret = ieee80211_start_roc_work(local, sdata, params->chan,
+ params->wait, cookie, skb,
+ IEEE80211_ROC_TYPE_MGMT_TX);
+ if (ret)
+ ieee80211_free_txskb(&local->hw, skb);
+ out_unlock:
+ mutex_unlock(&local->mtx);
+ return ret;
+}
+
+int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
+ struct wireless_dev *wdev, u64 cookie)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ return ieee80211_cancel_roc(local, cookie, true);
+}
+
void ieee80211_roc_setup(struct ieee80211_local *local)
{
INIT_WORK(&local->hw_roc_start, ieee80211_hw_roc_start);
INIT_WORK(&local->hw_roc_done, ieee80211_hw_roc_done);
+ INIT_DELAYED_WORK(&local->roc_work, ieee80211_roc_work);
INIT_LIST_HEAD(&local->roc_list);
}
@@ -467,36 +975,27 @@
struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_roc_work *roc, *tmp;
- LIST_HEAD(tmp_list);
+ bool work_to_do = false;
mutex_lock(&local->mtx);
list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
if (sdata && roc->sdata != sdata)
continue;
- if (roc->started && local->ops->remain_on_channel) {
- /* can race, so ignore return value */
- drv_cancel_remain_on_channel(local);
- }
-
- list_move_tail(&roc->list, &tmp_list);
- roc->abort = true;
- }
- mutex_unlock(&local->mtx);
-
- list_for_each_entry_safe(roc, tmp, &tmp_list, list) {
- if (local->ops->remain_on_channel) {
- list_del(&roc->list);
- ieee80211_roc_notify_destroy(roc, true);
+ if (roc->started) {
+ if (local->ops->remain_on_channel) {
+ /* can race, so ignore return value */
+ drv_cancel_remain_on_channel(local);
+ ieee80211_roc_notify_destroy(roc);
+ } else {
+ roc->abort = true;
+ work_to_do = true;
+ }
} else {
- ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
-
- /* work will clean up etc */
- flush_delayed_work(&roc->work);
- WARN_ON(!roc->to_be_freed);
- kfree(roc);
+ ieee80211_roc_notify_destroy(roc);
}
}
-
- WARN_ON_ONCE(!list_empty(&tmp_list));
+ if (work_to_do)
+ __ieee80211_roc_work(local);
+ mutex_unlock(&local->mtx);
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 8bae5de..1f82753 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -661,8 +661,7 @@
static void ieee80211_verify_alignment(struct ieee80211_rx_data *rx)
{
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- WARN_ONCE((unsigned long)rx->skb->data & 1,
- "unaligned packet at 0x%p\n", rx->skb->data);
+ WARN_ON_ONCE((unsigned long)rx->skb->data & 1);
#endif
}
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index f91d187..4402ad5 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -2,6 +2,7 @@
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright (C) 2015 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -435,6 +436,19 @@
is_multicast_ether_addr(sta->sta.addr)))
return -EINVAL;
+ /* Strictly speaking this isn't necessary as we hold the mutex, but
+ * the rhashtable code can't really deal with that distinction. We
+ * do require the mutex for correctness though.
+ */
+ rcu_read_lock();
+ lockdep_assert_held(&sdata->local->sta_mtx);
+ if (ieee80211_hw_check(&sdata->local->hw, NEEDS_UNIQUE_STA_ADDR) &&
+ ieee80211_find_sta_by_ifaddr(&sdata->local->hw, sta->addr, NULL)) {
+ rcu_read_unlock();
+ return -ENOTUNIQ;
+ }
+ rcu_read_unlock();
+
return 0;
}
@@ -554,14 +568,15 @@
might_sleep();
+ mutex_lock(&local->sta_mtx);
+
err = sta_info_insert_check(sta);
if (err) {
+ mutex_unlock(&local->sta_mtx);
rcu_read_lock();
goto out_free;
}
- mutex_lock(&local->sta_mtx);
-
err = sta_info_insert_finish(sta);
if (err)
goto out_free;
@@ -868,6 +883,7 @@
}
list_del_rcu(&sta->list);
+ sta->removed = true;
drv_sta_pre_rcu_remove(local, sta->sdata, sta);
@@ -1230,11 +1246,11 @@
ieee80211_check_fast_xmit(sta);
}
-static void ieee80211_send_null_response(struct ieee80211_sub_if_data *sdata,
- struct sta_info *sta, int tid,
+static void ieee80211_send_null_response(struct sta_info *sta, int tid,
enum ieee80211_frame_release_type reason,
- bool call_driver)
+ bool call_driver, bool more_data)
{
+ struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
struct ieee80211_qos_hdr *nullfunc;
struct sk_buff *skb;
@@ -1274,9 +1290,13 @@
if (qos) {
nullfunc->qos_ctrl = cpu_to_le16(tid);
- if (reason == IEEE80211_FRAME_RELEASE_UAPSD)
+ if (reason == IEEE80211_FRAME_RELEASE_UAPSD) {
nullfunc->qos_ctrl |=
cpu_to_le16(IEEE80211_QOS_CTL_EOSP);
+ if (more_data)
+ nullfunc->frame_control |=
+ cpu_to_le16(IEEE80211_FCTL_MOREDATA);
+ }
}
info = IEEE80211_SKB_CB(skb);
@@ -1323,22 +1343,48 @@
return fls(tids) - 1;
}
+/* Indicates if the MORE_DATA bit should be set in the last
+ * frame obtained by ieee80211_sta_ps_get_frames.
+ * Note that driver_release_tids is relevant only if
+ * reason = IEEE80211_FRAME_RELEASE_PSPOLL
+ */
+static bool
+ieee80211_sta_ps_more_data(struct sta_info *sta, u8 ignored_acs,
+ enum ieee80211_frame_release_type reason,
+ unsigned long driver_release_tids)
+{
+ int ac;
+
+ /* If the driver has data on more than one TID then
+ * certainly there's more data if we release just a
+ * single frame now (from a single TID). This will
+ * only happen for PS-Poll.
+ */
+ if (reason == IEEE80211_FRAME_RELEASE_PSPOLL &&
+ hweight16(driver_release_tids) > 1)
+ return true;
+
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ if (ignored_acs & BIT(ac))
+ continue;
+
+ if (!skb_queue_empty(&sta->tx_filtered[ac]) ||
+ !skb_queue_empty(&sta->ps_tx_buf[ac]))
+ return true;
+ }
+
+ return false;
+}
+
static void
-ieee80211_sta_ps_deliver_response(struct sta_info *sta,
- int n_frames, u8 ignored_acs,
- enum ieee80211_frame_release_type reason)
+ieee80211_sta_ps_get_frames(struct sta_info *sta, int n_frames, u8 ignored_acs,
+ enum ieee80211_frame_release_type reason,
+ struct sk_buff_head *frames,
+ unsigned long *driver_release_tids)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
- bool more_data = false;
int ac;
- unsigned long driver_release_tids = 0;
- struct sk_buff_head frames;
-
- /* Service or PS-Poll period starts */
- set_sta_flag(sta, WLAN_STA_SP);
-
- __skb_queue_head_init(&frames);
/* Get response frame(s) and more data bit for the last one. */
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
@@ -1352,26 +1398,13 @@
/* if we already have frames from software, then we can't also
* release from hardware queues
*/
- if (skb_queue_empty(&frames)) {
- driver_release_tids |= sta->driver_buffered_tids & tids;
- driver_release_tids |= sta->txq_buffered_tids & tids;
+ if (skb_queue_empty(frames)) {
+ *driver_release_tids |=
+ sta->driver_buffered_tids & tids;
+ *driver_release_tids |= sta->txq_buffered_tids & tids;
}
- if (driver_release_tids) {
- /* If the driver has data on more than one TID then
- * certainly there's more data if we release just a
- * single frame now (from a single TID). This will
- * only happen for PS-Poll.
- */
- if (reason == IEEE80211_FRAME_RELEASE_PSPOLL &&
- hweight16(driver_release_tids) > 1) {
- more_data = true;
- driver_release_tids =
- BIT(find_highest_prio_tid(
- driver_release_tids));
- break;
- }
- } else {
+ if (!*driver_release_tids) {
struct sk_buff *skb;
while (n_frames > 0) {
@@ -1385,20 +1418,44 @@
if (!skb)
break;
n_frames--;
- __skb_queue_tail(&frames, skb);
+ __skb_queue_tail(frames, skb);
}
}
- /* If we have more frames buffered on this AC, then set the
- * more-data bit and abort the loop since we can't send more
- * data from other ACs before the buffered frames from this.
+ /* If we have more frames buffered on this AC, then abort the
+ * loop since we can't send more data from other ACs before
+ * the buffered frames from this.
*/
if (!skb_queue_empty(&sta->tx_filtered[ac]) ||
- !skb_queue_empty(&sta->ps_tx_buf[ac])) {
- more_data = true;
+ !skb_queue_empty(&sta->ps_tx_buf[ac]))
break;
- }
}
+}
+
+static void
+ieee80211_sta_ps_deliver_response(struct sta_info *sta,
+ int n_frames, u8 ignored_acs,
+ enum ieee80211_frame_release_type reason)
+{
+ struct ieee80211_sub_if_data *sdata = sta->sdata;
+ struct ieee80211_local *local = sdata->local;
+ unsigned long driver_release_tids = 0;
+ struct sk_buff_head frames;
+ bool more_data;
+
+ /* Service or PS-Poll period starts */
+ set_sta_flag(sta, WLAN_STA_SP);
+
+ __skb_queue_head_init(&frames);
+
+ ieee80211_sta_ps_get_frames(sta, n_frames, ignored_acs, reason,
+ &frames, &driver_release_tids);
+
+ more_data = ieee80211_sta_ps_more_data(sta, ignored_acs, reason, driver_release_tids);
+
+ if (reason == IEEE80211_FRAME_RELEASE_PSPOLL)
+ driver_release_tids =
+ BIT(find_highest_prio_tid(driver_release_tids));
if (skb_queue_empty(&frames) && !driver_release_tids) {
int tid;
@@ -1421,7 +1478,7 @@
/* This will evaluate to 1, 3, 5 or 7. */
tid = 7 - ((ffs(~ignored_acs) - 1) << 1);
- ieee80211_send_null_response(sdata, sta, tid, reason, true);
+ ieee80211_send_null_response(sta, tid, reason, true, false);
} else if (!driver_release_tids) {
struct sk_buff_head pending;
struct sk_buff *skb;
@@ -1521,8 +1578,8 @@
if (need_null)
ieee80211_send_null_response(
- sdata, sta, find_highest_prio_tid(tids),
- reason, false);
+ sta, find_highest_prio_tid(tids),
+ reason, false, false);
sta_info_recalc_tim(sta);
} else {
@@ -1660,6 +1717,22 @@
}
EXPORT_SYMBOL(ieee80211_sta_eosp);
+void ieee80211_send_eosp_nullfunc(struct ieee80211_sta *pubsta, int tid)
+{
+ struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
+ enum ieee80211_frame_release_type reason;
+ bool more_data;
+
+ trace_api_send_eosp_nullfunc(sta->local, pubsta, tid);
+
+ reason = IEEE80211_FRAME_RELEASE_UAPSD;
+ more_data = ieee80211_sta_ps_more_data(sta, ~sta->sta.uapsd_queues,
+ reason, 0);
+
+ ieee80211_send_null_response(sta, tid, reason, false, more_data);
+}
+EXPORT_SYMBOL(ieee80211_send_eosp_nullfunc);
+
void ieee80211_sta_set_buffered(struct ieee80211_sta *pubsta,
u8 tid, bool buffered)
{
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 2cafb21..d605162 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -367,6 +367,7 @@
* @mesh: mesh STA information
* @debugfs: debug filesystem info
* @dead: set to true when sta is unlinked
+ * @removed: set to true when sta is being removed from sta_list
* @uploaded: set to true when sta is uploaded to the driver
* @sta: station information we share with the driver
* @sta_state: duplicates information about station state (for debug)
@@ -412,6 +413,7 @@
u16 listen_interval;
bool dead;
+ bool removed;
bool uploaded;
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 56c6d6c..a6b4442 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -2027,6 +2027,31 @@
)
);
+TRACE_EVENT(api_send_eosp_nullfunc,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sta *sta,
+ u8 tid),
+
+ TP_ARGS(local, sta, tid),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ STA_ENTRY
+ __field(u8, tid)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ STA_ASSIGN;
+ __entry->tid = tid;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT STA_PR_FMT " tid:%d",
+ LOCAL_PR_ARG, STA_PR_ARG, __entry->tid
+ )
+);
+
TRACE_EVENT(api_sta_set_buffered,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sta *sta,
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index bdc224d..3311ce0 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1431,7 +1431,7 @@
info->hw_queue =
vif->hw_queue[skb_get_queue_mapping(skb)];
} else if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL)) {
- dev_kfree_skb(skb);
+ ieee80211_purge_tx_queue(&local->hw, skbs);
return true;
} else
vif = NULL;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 7405802..08af2b3 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -288,10 +288,13 @@
if (!test_bit(reason, &local->queue_stop_reasons[queue]))
return;
- if (!refcounted)
+ if (!refcounted) {
local->q_stop_reasons[queue][reason] = 0;
- else
+ } else {
local->q_stop_reasons[queue][reason]--;
+ if (WARN_ON(local->q_stop_reasons[queue][reason] < 0))
+ local->q_stop_reasons[queue][reason] = 0;
+ }
if (local->q_stop_reasons[queue][reason] == 0)
__clear_bit(reason, &local->queue_stop_reasons[queue]);
diff --git a/net/mac802154/rx.c b/net/mac802154/rx.c
index 42e9672..446e130 100644
--- a/net/mac802154/rx.c
+++ b/net/mac802154/rx.c
@@ -217,8 +217,7 @@
break;
}
- if (skb)
- kfree_skb(skb);
+ kfree_skb(skb);
}
static void
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c
index 9dc239d..e401108 100644
--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -332,131 +332,15 @@
tipc_sk_rcv(net, inputq);
}
-static int __tipc_nl_add_bc_link_stat(struct sk_buff *skb,
- struct tipc_stats *stats)
-{
- int i;
- struct nlattr *nest;
-
- struct nla_map {
- __u32 key;
- __u32 val;
- };
-
- struct nla_map map[] = {
- {TIPC_NLA_STATS_RX_INFO, stats->recv_info},
- {TIPC_NLA_STATS_RX_FRAGMENTS, stats->recv_fragments},
- {TIPC_NLA_STATS_RX_FRAGMENTED, stats->recv_fragmented},
- {TIPC_NLA_STATS_RX_BUNDLES, stats->recv_bundles},
- {TIPC_NLA_STATS_RX_BUNDLED, stats->recv_bundled},
- {TIPC_NLA_STATS_TX_INFO, stats->sent_info},
- {TIPC_NLA_STATS_TX_FRAGMENTS, stats->sent_fragments},
- {TIPC_NLA_STATS_TX_FRAGMENTED, stats->sent_fragmented},
- {TIPC_NLA_STATS_TX_BUNDLES, stats->sent_bundles},
- {TIPC_NLA_STATS_TX_BUNDLED, stats->sent_bundled},
- {TIPC_NLA_STATS_RX_NACKS, stats->recv_nacks},
- {TIPC_NLA_STATS_RX_DEFERRED, stats->deferred_recv},
- {TIPC_NLA_STATS_TX_NACKS, stats->sent_nacks},
- {TIPC_NLA_STATS_TX_ACKS, stats->sent_acks},
- {TIPC_NLA_STATS_RETRANSMITTED, stats->retransmitted},
- {TIPC_NLA_STATS_DUPLICATES, stats->duplicates},
- {TIPC_NLA_STATS_LINK_CONGS, stats->link_congs},
- {TIPC_NLA_STATS_MAX_QUEUE, stats->max_queue_sz},
- {TIPC_NLA_STATS_AVG_QUEUE, stats->queue_sz_counts ?
- (stats->accu_queue_sz / stats->queue_sz_counts) : 0}
- };
-
- nest = nla_nest_start(skb, TIPC_NLA_LINK_STATS);
- if (!nest)
- return -EMSGSIZE;
-
- for (i = 0; i < ARRAY_SIZE(map); i++)
- if (nla_put_u32(skb, map[i].key, map[i].val))
- goto msg_full;
-
- nla_nest_end(skb, nest);
-
- return 0;
-msg_full:
- nla_nest_cancel(skb, nest);
-
- return -EMSGSIZE;
-}
-
-int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg)
-{
- int err;
- void *hdr;
- struct nlattr *attrs;
- struct nlattr *prop;
- struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_link *bcl = tn->bcl;
-
- if (!bcl)
- return 0;
-
- tipc_bcast_lock(net);
-
- hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_family,
- NLM_F_MULTI, TIPC_NL_LINK_GET);
- if (!hdr)
- return -EMSGSIZE;
-
- attrs = nla_nest_start(msg->skb, TIPC_NLA_LINK);
- if (!attrs)
- goto msg_full;
-
- /* The broadcast link is always up */
- if (nla_put_flag(msg->skb, TIPC_NLA_LINK_UP))
- goto attr_msg_full;
-
- if (nla_put_flag(msg->skb, TIPC_NLA_LINK_BROADCAST))
- goto attr_msg_full;
- if (nla_put_string(msg->skb, TIPC_NLA_LINK_NAME, bcl->name))
- goto attr_msg_full;
- if (nla_put_u32(msg->skb, TIPC_NLA_LINK_RX, bcl->rcv_nxt))
- goto attr_msg_full;
- if (nla_put_u32(msg->skb, TIPC_NLA_LINK_TX, bcl->snd_nxt))
- goto attr_msg_full;
-
- prop = nla_nest_start(msg->skb, TIPC_NLA_LINK_PROP);
- if (!prop)
- goto attr_msg_full;
- if (nla_put_u32(msg->skb, TIPC_NLA_PROP_WIN, bcl->window))
- goto prop_msg_full;
- nla_nest_end(msg->skb, prop);
-
- err = __tipc_nl_add_bc_link_stat(msg->skb, &bcl->stats);
- if (err)
- goto attr_msg_full;
-
- tipc_bcast_unlock(net);
- nla_nest_end(msg->skb, attrs);
- genlmsg_end(msg->skb, hdr);
-
- return 0;
-
-prop_msg_full:
- nla_nest_cancel(msg->skb, prop);
-attr_msg_full:
- nla_nest_cancel(msg->skb, attrs);
-msg_full:
- tipc_bcast_unlock(net);
- genlmsg_cancel(msg->skb, hdr);
-
- return -EMSGSIZE;
-}
-
int tipc_bclink_reset_stats(struct net *net)
{
- struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_link *bcl = tn->bcl;
+ struct tipc_link *l = tipc_bc_sndlink(net);
- if (!bcl)
+ if (!l)
return -ENOPROTOOPT;
tipc_bcast_lock(net);
- memset(&bcl->stats, 0, sizeof(bcl->stats));
+ tipc_link_reset_stats(l);
tipc_bcast_unlock(net);
return 0;
}
@@ -530,9 +414,7 @@
void tipc_bcast_reinit(struct net *net)
{
- struct tipc_bc_base *b = tipc_bc_base(net);
-
- msg_set_prevnode(b->link->pmsg, tipc_own_addr(net));
+ tipc_link_reinit(tipc_bc_sndlink(net), tipc_own_addr(net));
}
void tipc_bcast_stop(struct net *net)
diff --git a/net/tipc/bcast.h b/net/tipc/bcast.h
index 2855b93..1944c6c 100644
--- a/net/tipc/bcast.h
+++ b/net/tipc/bcast.h
@@ -43,6 +43,7 @@
struct tipc_msg;
struct tipc_nl_msg;
struct tipc_node_map;
+extern const char tipc_bclink_name[];
int tipc_bcast_init(struct net *net);
void tipc_bcast_reinit(struct net *net);
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 648f2a6..802ffad 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -71,7 +71,7 @@
[TIPC_NLA_MEDIA_PROP] = { .type = NLA_NESTED }
};
-static void bearer_disable(struct net *net, struct tipc_bearer *b_ptr);
+static void bearer_disable(struct net *net, struct tipc_bearer *b);
/**
* tipc_media_find - locates specified media object by name
@@ -107,13 +107,13 @@
void tipc_media_addr_printf(char *buf, int len, struct tipc_media_addr *a)
{
char addr_str[MAX_ADDR_STR];
- struct tipc_media *m_ptr;
+ struct tipc_media *m;
int ret;
- m_ptr = media_find_id(a->media_id);
+ m = media_find_id(a->media_id);
- if (m_ptr && !m_ptr->addr2str(a, addr_str, sizeof(addr_str)))
- ret = scnprintf(buf, len, "%s(%s)", m_ptr->name, addr_str);
+ if (m && !m->addr2str(a, addr_str, sizeof(addr_str)))
+ ret = scnprintf(buf, len, "%s(%s)", m->name, addr_str);
else {
u32 i;
@@ -175,13 +175,13 @@
struct tipc_bearer *tipc_bearer_find(struct net *net, const char *name)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
u32 i;
for (i = 0; i < MAX_BEARERS; i++) {
- b_ptr = rtnl_dereference(tn->bearer_list[i]);
- if (b_ptr && (!strcmp(b_ptr->name, name)))
- return b_ptr;
+ b = rtnl_dereference(tn->bearer_list[i]);
+ if (b && (!strcmp(b->name, name)))
+ return b;
}
return NULL;
}
@@ -189,24 +189,24 @@
void tipc_bearer_add_dest(struct net *net, u32 bearer_id, u32 dest)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
rcu_read_lock();
- b_ptr = rcu_dereference_rtnl(tn->bearer_list[bearer_id]);
- if (b_ptr)
- tipc_disc_add_dest(b_ptr->link_req);
+ b = rcu_dereference_rtnl(tn->bearer_list[bearer_id]);
+ if (b)
+ tipc_disc_add_dest(b->link_req);
rcu_read_unlock();
}
void tipc_bearer_remove_dest(struct net *net, u32 bearer_id, u32 dest)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
rcu_read_lock();
- b_ptr = rcu_dereference_rtnl(tn->bearer_list[bearer_id]);
- if (b_ptr)
- tipc_disc_remove_dest(b_ptr->link_req);
+ b = rcu_dereference_rtnl(tn->bearer_list[bearer_id]);
+ if (b)
+ tipc_disc_remove_dest(b->link_req);
rcu_read_unlock();
}
@@ -218,8 +218,8 @@
struct nlattr *attr[])
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_bearer *b_ptr;
- struct tipc_media *m_ptr;
+ struct tipc_bearer *b;
+ struct tipc_media *m;
struct tipc_bearer_names b_names;
char addr_string[16];
u32 bearer_id;
@@ -255,31 +255,31 @@
return -EINVAL;
}
- m_ptr = tipc_media_find(b_names.media_name);
- if (!m_ptr) {
+ m = tipc_media_find(b_names.media_name);
+ if (!m) {
pr_warn("Bearer <%s> rejected, media <%s> not registered\n",
name, b_names.media_name);
return -EINVAL;
}
if (priority == TIPC_MEDIA_LINK_PRI)
- priority = m_ptr->priority;
+ priority = m->priority;
restart:
bearer_id = MAX_BEARERS;
with_this_prio = 1;
for (i = MAX_BEARERS; i-- != 0; ) {
- b_ptr = rtnl_dereference(tn->bearer_list[i]);
- if (!b_ptr) {
+ b = rtnl_dereference(tn->bearer_list[i]);
+ if (!b) {
bearer_id = i;
continue;
}
- if (!strcmp(name, b_ptr->name)) {
+ if (!strcmp(name, b->name)) {
pr_warn("Bearer <%s> rejected, already enabled\n",
name);
return -EINVAL;
}
- if ((b_ptr->priority == priority) &&
+ if ((b->priority == priority) &&
(++with_this_prio > 2)) {
if (priority-- == 0) {
pr_warn("Bearer <%s> rejected, duplicate priority\n",
@@ -297,35 +297,35 @@
return -EINVAL;
}
- b_ptr = kzalloc(sizeof(*b_ptr), GFP_ATOMIC);
- if (!b_ptr)
+ b = kzalloc(sizeof(*b), GFP_ATOMIC);
+ if (!b)
return -ENOMEM;
- strcpy(b_ptr->name, name);
- b_ptr->media = m_ptr;
- res = m_ptr->enable_media(net, b_ptr, attr);
+ strcpy(b->name, name);
+ b->media = m;
+ res = m->enable_media(net, b, attr);
if (res) {
pr_warn("Bearer <%s> rejected, enable failure (%d)\n",
name, -res);
return -EINVAL;
}
- b_ptr->identity = bearer_id;
- b_ptr->tolerance = m_ptr->tolerance;
- b_ptr->window = m_ptr->window;
- b_ptr->domain = disc_domain;
- b_ptr->net_plane = bearer_id + 'A';
- b_ptr->priority = priority;
+ b->identity = bearer_id;
+ b->tolerance = m->tolerance;
+ b->window = m->window;
+ b->domain = disc_domain;
+ b->net_plane = bearer_id + 'A';
+ b->priority = priority;
- res = tipc_disc_create(net, b_ptr, &b_ptr->bcast_addr);
+ res = tipc_disc_create(net, b, &b->bcast_addr);
if (res) {
- bearer_disable(net, b_ptr);
+ bearer_disable(net, b);
pr_warn("Bearer <%s> rejected, discovery object creation failed\n",
name);
return -EINVAL;
}
- rcu_assign_pointer(tn->bearer_list[bearer_id], b_ptr);
+ rcu_assign_pointer(tn->bearer_list[bearer_id], b);
pr_info("Enabled bearer <%s>, discovery domain %s, priority %u\n",
name,
@@ -336,11 +336,11 @@
/**
* tipc_reset_bearer - Reset all links established over this bearer
*/
-static int tipc_reset_bearer(struct net *net, struct tipc_bearer *b_ptr)
+static int tipc_reset_bearer(struct net *net, struct tipc_bearer *b)
{
- pr_info("Resetting bearer <%s>\n", b_ptr->name);
- tipc_node_delete_links(net, b_ptr->identity);
- tipc_disc_reset(net, b_ptr);
+ pr_info("Resetting bearer <%s>\n", b->name);
+ tipc_node_delete_links(net, b->identity);
+ tipc_disc_reset(net, b);
return 0;
}
@@ -349,26 +349,26 @@
*
* Note: This routine assumes caller holds RTNL lock.
*/
-static void bearer_disable(struct net *net, struct tipc_bearer *b_ptr)
+static void bearer_disable(struct net *net, struct tipc_bearer *b)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
u32 i;
- pr_info("Disabling bearer <%s>\n", b_ptr->name);
- b_ptr->media->disable_media(b_ptr);
+ pr_info("Disabling bearer <%s>\n", b->name);
+ b->media->disable_media(b);
- tipc_node_delete_links(net, b_ptr->identity);
- RCU_INIT_POINTER(b_ptr->media_ptr, NULL);
- if (b_ptr->link_req)
- tipc_disc_delete(b_ptr->link_req);
+ tipc_node_delete_links(net, b->identity);
+ RCU_INIT_POINTER(b->media_ptr, NULL);
+ if (b->link_req)
+ tipc_disc_delete(b->link_req);
for (i = 0; i < MAX_BEARERS; i++) {
- if (b_ptr == rtnl_dereference(tn->bearer_list[i])) {
+ if (b == rtnl_dereference(tn->bearer_list[i])) {
RCU_INIT_POINTER(tn->bearer_list[i], NULL);
break;
}
}
- kfree_rcu(b_ptr, rcu);
+ kfree_rcu(b, rcu);
}
int tipc_enable_l2_media(struct net *net, struct tipc_bearer *b,
@@ -411,7 +411,7 @@
/**
* tipc_l2_send_msg - send a TIPC packet out over an L2 interface
* @buf: the packet to be sent
- * @b_ptr: the bearer through which the packet is to be sent
+ * @b: the bearer through which the packet is to be sent
* @dest: peer destination address
*/
int tipc_l2_send_msg(struct net *net, struct sk_buff *skb,
@@ -532,14 +532,14 @@
static int tipc_l2_rcv_msg(struct sk_buff *buf, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
{
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
rcu_read_lock();
- b_ptr = rcu_dereference_rtnl(dev->tipc_ptr);
- if (likely(b_ptr)) {
+ b = rcu_dereference_rtnl(dev->tipc_ptr);
+ if (likely(b)) {
if (likely(buf->pkt_type <= PACKET_BROADCAST)) {
buf->next = NULL;
- tipc_rcv(dev_net(dev), buf, b_ptr);
+ tipc_rcv(dev_net(dev), buf, b);
rcu_read_unlock();
return NET_RX_SUCCESS;
}
@@ -564,13 +564,13 @@
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct net *net = dev_net(dev);
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
- b_ptr = rtnl_dereference(dev->tipc_ptr);
- if (!b_ptr)
+ b = rtnl_dereference(dev->tipc_ptr);
+ if (!b)
return NOTIFY_DONE;
- b_ptr->mtu = dev->mtu;
+ b->mtu = dev->mtu;
switch (evt) {
case NETDEV_CHANGE:
@@ -578,16 +578,16 @@
break;
case NETDEV_GOING_DOWN:
case NETDEV_CHANGEMTU:
- tipc_reset_bearer(net, b_ptr);
+ tipc_reset_bearer(net, b);
break;
case NETDEV_CHANGEADDR:
- b_ptr->media->raw2addr(b_ptr, &b_ptr->addr,
+ b->media->raw2addr(b, &b->addr,
(char *)dev->dev_addr);
- tipc_reset_bearer(net, b_ptr);
+ tipc_reset_bearer(net, b);
break;
case NETDEV_UNREGISTER:
case NETDEV_CHANGENAME:
- bearer_disable(dev_net(dev), b_ptr);
+ bearer_disable(dev_net(dev), b);
break;
}
return NOTIFY_OK;
@@ -623,13 +623,13 @@
void tipc_bearer_stop(struct net *net)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
u32 i;
for (i = 0; i < MAX_BEARERS; i++) {
- b_ptr = rtnl_dereference(tn->bearer_list[i]);
- if (b_ptr) {
- bearer_disable(net, b_ptr);
+ b = rtnl_dereference(tn->bearer_list[i]);
+ if (b) {
+ bearer_disable(net, b);
tn->bearer_list[i] = NULL;
}
}
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index 552185b..e318205 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -103,11 +103,11 @@
*/
struct tipc_media {
int (*send_msg)(struct net *net, struct sk_buff *buf,
- struct tipc_bearer *b_ptr,
+ struct tipc_bearer *b,
struct tipc_media_addr *dest);
- int (*enable_media)(struct net *net, struct tipc_bearer *b_ptr,
+ int (*enable_media)(struct net *net, struct tipc_bearer *b,
struct nlattr *attr[]);
- void (*disable_media)(struct tipc_bearer *b_ptr);
+ void (*disable_media)(struct tipc_bearer *b);
int (*addr2str)(struct tipc_media_addr *addr,
char *strbuf,
int bufsz);
@@ -176,7 +176,7 @@
* TIPC routines available to supported media types
*/
-void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b_ptr);
+void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b);
/*
* Routines made available to TIPC by supported media types
diff --git a/net/tipc/core.h b/net/tipc/core.h
index 18e95a8..5504d63 100644
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -118,6 +118,11 @@
return tipc_net(net)->net_id;
}
+static inline struct list_head *tipc_nodes(struct net *net)
+{
+ return &tipc_net(net)->node_list;
+}
+
static inline u16 mod(u16 x)
{
return x & 0xffffu;
diff --git a/net/tipc/discover.c b/net/tipc/discover.c
index afe8c47..f1e738e 100644
--- a/net/tipc/discover.c
+++ b/net/tipc/discover.c
@@ -75,14 +75,14 @@
* tipc_disc_init_msg - initialize a link setup message
* @net: the applicable net namespace
* @type: message type (request or response)
- * @b_ptr: ptr to bearer issuing message
+ * @b: ptr to bearer issuing message
*/
static void tipc_disc_init_msg(struct net *net, struct sk_buff *buf, u32 type,
- struct tipc_bearer *b_ptr)
+ struct tipc_bearer *b)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
struct tipc_msg *msg;
- u32 dest_domain = b_ptr->domain;
+ u32 dest_domain = b->domain;
msg = buf_msg(buf);
tipc_msg_init(tn->own_addr, msg, LINK_CONFIG, type,
@@ -92,16 +92,16 @@
msg_set_node_capabilities(msg, TIPC_NODE_CAPABILITIES);
msg_set_dest_domain(msg, dest_domain);
msg_set_bc_netid(msg, tn->net_id);
- b_ptr->media->addr2msg(msg_media_addr(msg), &b_ptr->addr);
+ b->media->addr2msg(msg_media_addr(msg), &b->addr);
}
/**
* disc_dupl_alert - issue node address duplication alert
- * @b_ptr: pointer to bearer detecting duplication
+ * @b: pointer to bearer detecting duplication
* @node_addr: duplicated node address
* @media_addr: media address advertised by duplicated node
*/
-static void disc_dupl_alert(struct tipc_bearer *b_ptr, u32 node_addr,
+static void disc_dupl_alert(struct tipc_bearer *b, u32 node_addr,
struct tipc_media_addr *media_addr)
{
char node_addr_str[16];
@@ -111,7 +111,7 @@
tipc_media_addr_printf(media_addr_str, sizeof(media_addr_str),
media_addr);
pr_warn("Duplicate %s using %s seen on <%s>\n", node_addr_str,
- media_addr_str, b_ptr->name);
+ media_addr_str, b->name);
}
/**
@@ -261,13 +261,13 @@
/**
* tipc_disc_create - create object to send periodic link setup requests
* @net: the applicable net namespace
- * @b_ptr: ptr to bearer issuing requests
+ * @b: ptr to bearer issuing requests
* @dest: destination address for request messages
* @dest_domain: network domain to which links can be established
*
* Returns 0 if successful, otherwise -errno.
*/
-int tipc_disc_create(struct net *net, struct tipc_bearer *b_ptr,
+int tipc_disc_create(struct net *net, struct tipc_bearer *b,
struct tipc_media_addr *dest)
{
struct tipc_link_req *req;
@@ -282,17 +282,17 @@
return -ENOMEM;
}
- tipc_disc_init_msg(net, req->buf, DSC_REQ_MSG, b_ptr);
+ tipc_disc_init_msg(net, req->buf, DSC_REQ_MSG, b);
memcpy(&req->dest, dest, sizeof(*dest));
req->net = net;
- req->bearer_id = b_ptr->identity;
- req->domain = b_ptr->domain;
+ req->bearer_id = b->identity;
+ req->domain = b->domain;
req->num_nodes = 0;
req->timer_intv = TIPC_LINK_REQ_INIT;
spin_lock_init(&req->lock);
setup_timer(&req->timer, disc_timeout, (unsigned long)req);
mod_timer(&req->timer, jiffies + req->timer_intv);
- b_ptr->link_req = req;
+ b->link_req = req;
skb = skb_clone(req->buf, GFP_ATOMIC);
if (skb)
tipc_bearer_xmit_skb(net, req->bearer_id, skb, &req->dest);
@@ -313,19 +313,19 @@
/**
* tipc_disc_reset - reset object to send periodic link setup requests
* @net: the applicable net namespace
- * @b_ptr: ptr to bearer issuing requests
+ * @b: ptr to bearer issuing requests
* @dest_domain: network domain to which links can be established
*/
-void tipc_disc_reset(struct net *net, struct tipc_bearer *b_ptr)
+void tipc_disc_reset(struct net *net, struct tipc_bearer *b)
{
- struct tipc_link_req *req = b_ptr->link_req;
+ struct tipc_link_req *req = b->link_req;
struct sk_buff *skb;
spin_lock_bh(&req->lock);
- tipc_disc_init_msg(net, req->buf, DSC_REQ_MSG, b_ptr);
+ tipc_disc_init_msg(net, req->buf, DSC_REQ_MSG, b);
req->net = net;
- req->bearer_id = b_ptr->identity;
- req->domain = b_ptr->domain;
+ req->bearer_id = b->identity;
+ req->domain = b->domain;
req->num_nodes = 0;
req->timer_intv = TIPC_LINK_REQ_INIT;
mod_timer(&req->timer, jiffies + req->timer_intv);
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 91aea07..0c2944f 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -45,28 +45,156 @@
#include <linux/pkt_sched.h>
+struct tipc_stats {
+ u32 sent_info; /* used in counting # sent packets */
+ u32 recv_info; /* used in counting # recv'd packets */
+ u32 sent_states;
+ u32 recv_states;
+ u32 sent_probes;
+ u32 recv_probes;
+ u32 sent_nacks;
+ u32 recv_nacks;
+ u32 sent_acks;
+ u32 sent_bundled;
+ u32 sent_bundles;
+ u32 recv_bundled;
+ u32 recv_bundles;
+ u32 retransmitted;
+ u32 sent_fragmented;
+ u32 sent_fragments;
+ u32 recv_fragmented;
+ u32 recv_fragments;
+ u32 link_congs; /* # port sends blocked by congestion */
+ u32 deferred_recv;
+ u32 duplicates;
+ u32 max_queue_sz; /* send queue size high water mark */
+ u32 accu_queue_sz; /* used for send queue size profiling */
+ u32 queue_sz_counts; /* used for send queue size profiling */
+ u32 msg_length_counts; /* used for message length profiling */
+ u32 msg_lengths_total; /* used for message length profiling */
+ u32 msg_length_profile[7]; /* used for msg. length profiling */
+};
+
+/**
+ * struct tipc_link - TIPC link data structure
+ * @addr: network address of link's peer node
+ * @name: link name character string
+ * @media_addr: media address to use when sending messages over link
+ * @timer: link timer
+ * @net: pointer to namespace struct
+ * @refcnt: reference counter for permanent references (owner node & timer)
+ * @peer_session: link session # being used by peer end of link
+ * @peer_bearer_id: bearer id used by link's peer endpoint
+ * @bearer_id: local bearer id used by link
+ * @tolerance: minimum link continuity loss needed to reset link [in ms]
+ * @keepalive_intv: link keepalive timer interval
+ * @abort_limit: # of unacknowledged continuity probes needed to reset link
+ * @state: current state of link FSM
+ * @peer_caps: bitmap describing capabilities of peer node
+ * @silent_intv_cnt: # of timer intervals without any reception from peer
+ * @proto_msg: template for control messages generated by link
+ * @pmsg: convenience pointer to "proto_msg" field
+ * @priority: current link priority
+ * @net_plane: current link network plane ('A' through 'H')
+ * @backlog_limit: backlog queue congestion thresholds (indexed by importance)
+ * @exp_msg_count: # of tunnelled messages expected during link changeover
+ * @reset_rcv_checkpt: seq # of last acknowledged message at time of link reset
+ * @mtu: current maximum packet size for this link
+ * @advertised_mtu: advertised own mtu when link is being established
+ * @transmitq: queue for sent, non-acked messages
+ * @backlogq: queue for messages waiting to be sent
+ * @snt_nxt: next sequence number to use for outbound messages
+ * @last_retransmitted: sequence number of most recently retransmitted message
+ * @stale_count: # of identical retransmit requests made by peer
+ * @ackers: # of peers that needs to ack each packet before it can be released
+ * @acked: # last packet acked by a certain peer. Used for broadcast.
+ * @rcv_nxt: next sequence number to expect for inbound messages
+ * @deferred_queue: deferred queue saved OOS b'cast message received from node
+ * @unacked_window: # of inbound messages rx'd without ack'ing back to peer
+ * @inputq: buffer queue for messages to be delivered upwards
+ * @namedq: buffer queue for name table messages to be delivered upwards
+ * @next_out: ptr to first unsent outbound message in queue
+ * @wakeupq: linked list of wakeup msgs waiting for link congestion to abate
+ * @long_msg_seq_no: next identifier to use for outbound fragmented messages
+ * @reasm_buf: head of partially reassembled inbound message fragments
+ * @bc_rcvr: marks that this is a broadcast receiver link
+ * @stats: collects statistics regarding link activity
+ */
+struct tipc_link {
+ u32 addr;
+ char name[TIPC_MAX_LINK_NAME];
+ struct tipc_media_addr *media_addr;
+ struct net *net;
+
+ /* Management and link supervision data */
+ u32 peer_session;
+ u32 peer_bearer_id;
+ u32 bearer_id;
+ u32 tolerance;
+ unsigned long keepalive_intv;
+ u32 abort_limit;
+ u32 state;
+ u16 peer_caps;
+ bool active;
+ u32 silent_intv_cnt;
+ struct {
+ unchar hdr[INT_H_SIZE];
+ unchar body[TIPC_MAX_IF_NAME];
+ } proto_msg;
+ struct tipc_msg *pmsg;
+ u32 priority;
+ char net_plane;
+
+ /* Failover/synch */
+ u16 drop_point;
+ struct sk_buff *failover_reasm_skb;
+
+ /* Max packet negotiation */
+ u16 mtu;
+ u16 advertised_mtu;
+
+ /* Sending */
+ struct sk_buff_head transmq;
+ struct sk_buff_head backlogq;
+ struct {
+ u16 len;
+ u16 limit;
+ } backlog[5];
+ u16 snd_nxt;
+ u16 last_retransm;
+ u16 window;
+ u32 stale_count;
+
+ /* Reception */
+ u16 rcv_nxt;
+ u32 rcv_unacked;
+ struct sk_buff_head deferdq;
+ struct sk_buff_head *inputq;
+ struct sk_buff_head *namedq;
+
+ /* Congestion handling */
+ struct sk_buff_head wakeupq;
+
+ /* Fragmentation/reassembly */
+ struct sk_buff *reasm_buf;
+
+ /* Broadcast */
+ u16 ackers;
+ u16 acked;
+ struct tipc_link *bc_rcvlink;
+ struct tipc_link *bc_sndlink;
+ int nack_state;
+ bool bc_peer_is_up;
+
+ /* Statistics */
+ struct tipc_stats stats;
+};
+
/*
* Error message prefixes
*/
static const char *link_co_err = "Link tunneling error, ";
static const char *link_rst_msg = "Resetting link ";
-static const char tipc_bclink_name[] = "broadcast-link";
-
-static const struct nla_policy tipc_nl_link_policy[TIPC_NLA_LINK_MAX + 1] = {
- [TIPC_NLA_LINK_UNSPEC] = { .type = NLA_UNSPEC },
- [TIPC_NLA_LINK_NAME] = {
- .type = NLA_STRING,
- .len = TIPC_MAX_LINK_NAME
- },
- [TIPC_NLA_LINK_MTU] = { .type = NLA_U32 },
- [TIPC_NLA_LINK_BROADCAST] = { .type = NLA_FLAG },
- [TIPC_NLA_LINK_UP] = { .type = NLA_FLAG },
- [TIPC_NLA_LINK_ACTIVE] = { .type = NLA_FLAG },
- [TIPC_NLA_LINK_PROP] = { .type = NLA_NESTED },
- [TIPC_NLA_LINK_STATS] = { .type = NLA_NESTED },
- [TIPC_NLA_LINK_RX] = { .type = NLA_U32 },
- [TIPC_NLA_LINK_TX] = { .type = NLA_U32 }
-};
/* Properties valid for media, bearar and link */
static const struct nla_policy tipc_nl_prop_policy[TIPC_NLA_PROP_MAX + 1] = {
@@ -117,8 +245,7 @@
static void tipc_link_build_proto_msg(struct tipc_link *l, int mtyp, bool probe,
u16 rcvgap, int tolerance, int priority,
struct sk_buff_head *xmitq);
-static void link_reset_statistics(struct tipc_link *l_ptr);
-static void link_print(struct tipc_link *l_ptr, const char *str);
+static void link_print(struct tipc_link *l, const char *str);
static void tipc_link_build_nack_msg(struct tipc_link *l,
struct sk_buff_head *xmitq);
static void tipc_link_build_bc_init_msg(struct tipc_link *l,
@@ -183,6 +310,36 @@
l->active = active;
}
+u32 tipc_link_id(struct tipc_link *l)
+{
+ return l->peer_bearer_id << 16 | l->bearer_id;
+}
+
+int tipc_link_window(struct tipc_link *l)
+{
+ return l->window;
+}
+
+int tipc_link_prio(struct tipc_link *l)
+{
+ return l->priority;
+}
+
+unsigned long tipc_link_tolerance(struct tipc_link *l)
+{
+ return l->tolerance;
+}
+
+struct sk_buff_head *tipc_link_inputq(struct tipc_link *l)
+{
+ return l->inputq;
+}
+
+char tipc_link_plane(struct tipc_link *l)
+{
+ return l->net_plane;
+}
+
void tipc_link_add_bc_peer(struct tipc_link *snd_l,
struct tipc_link *uc_l,
struct sk_buff_head *xmitq)
@@ -227,11 +384,31 @@
return l->mtu;
}
+u16 tipc_link_rcv_nxt(struct tipc_link *l)
+{
+ return l->rcv_nxt;
+}
+
+u16 tipc_link_acked(struct tipc_link *l)
+{
+ return l->acked;
+}
+
+char *tipc_link_name(struct tipc_link *l)
+{
+ return l->name;
+}
+
static u32 link_own_addr(struct tipc_link *l)
{
return msg_prevnode(l->pmsg);
}
+void tipc_link_reinit(struct tipc_link *l, u32 addr)
+{
+ msg_set_prevnode(l->pmsg, addr);
+}
+
/**
* tipc_link_create - create a new link
* @n: pointer to associated node
@@ -694,7 +871,7 @@
l->stats.recv_info = 0;
l->stale_count = 0;
l->bc_peer_is_up = false;
- link_reset_statistics(l);
+ tipc_link_reset_stats(l);
}
/**
@@ -1087,8 +1264,9 @@
/*
* Send protocol message to the other endpoint.
*/
-void tipc_link_proto_xmit(struct tipc_link *l, u32 msg_typ, int probe_msg,
- u32 gap, u32 tolerance, u32 priority)
+static void tipc_link_proto_xmit(struct tipc_link *l, u32 msg_typ,
+ int probe_msg, u32 gap, u32 tolerance,
+ u32 priority)
{
struct sk_buff *skb = NULL;
struct sk_buff_head xmitq;
@@ -1262,6 +1440,8 @@
/* fall thru' */
case ACTIVATE_MSG:
+ skb_linearize(skb);
+ hdr = buf_msg(skb);
/* Complete own link name with peer's interface name */
if_name = strrchr(l->name, ':') + 1;
@@ -1527,53 +1707,17 @@
l->backlog[TIPC_SYSTEM_IMPORTANCE].limit = max_bulk;
}
-/* tipc_link_find_owner - locate owner node of link by link's name
- * @net: the applicable net namespace
- * @name: pointer to link name string
- * @bearer_id: pointer to index in 'node->links' array where the link was found.
- *
- * Returns pointer to node owning the link, or 0 if no matching link is found.
- */
-static struct tipc_node *tipc_link_find_owner(struct net *net,
- const char *link_name,
- unsigned int *bearer_id)
-{
- struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_link *l_ptr;
- struct tipc_node *n_ptr;
- struct tipc_node *found_node = NULL;
- int i;
-
- *bearer_id = 0;
- rcu_read_lock();
- list_for_each_entry_rcu(n_ptr, &tn->node_list, list) {
- tipc_node_lock(n_ptr);
- for (i = 0; i < MAX_BEARERS; i++) {
- l_ptr = n_ptr->links[i].link;
- if (l_ptr && !strcmp(l_ptr->name, link_name)) {
- *bearer_id = i;
- found_node = n_ptr;
- break;
- }
- }
- tipc_node_unlock(n_ptr);
- if (found_node)
- break;
- }
- rcu_read_unlock();
-
- return found_node;
-}
-
/**
- * link_reset_statistics - reset link statistics
- * @l_ptr: pointer to link
+ * link_reset_stats - reset link statistics
+ * @l: pointer to link
*/
-static void link_reset_statistics(struct tipc_link *l_ptr)
+void tipc_link_reset_stats(struct tipc_link *l)
{
- memset(&l_ptr->stats, 0, sizeof(l_ptr->stats));
- l_ptr->stats.sent_info = l_ptr->snd_nxt;
- l_ptr->stats.recv_info = l_ptr->rcv_nxt;
+ memset(&l->stats, 0, sizeof(l->stats));
+ if (!link_is_bc_sndlink(l)) {
+ l->stats.sent_info = l->snd_nxt;
+ l->stats.recv_info = l->rcv_nxt;
+ }
}
static void link_print(struct tipc_link *l, const char *str)
@@ -1626,84 +1770,6 @@
return 0;
}
-int tipc_nl_link_set(struct sk_buff *skb, struct genl_info *info)
-{
- int err;
- int res = 0;
- int bearer_id;
- char *name;
- struct tipc_link *link;
- struct tipc_node *node;
- struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1];
- struct net *net = sock_net(skb->sk);
-
- if (!info->attrs[TIPC_NLA_LINK])
- return -EINVAL;
-
- err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX,
- info->attrs[TIPC_NLA_LINK],
- tipc_nl_link_policy);
- if (err)
- return err;
-
- if (!attrs[TIPC_NLA_LINK_NAME])
- return -EINVAL;
-
- name = nla_data(attrs[TIPC_NLA_LINK_NAME]);
-
- if (strcmp(name, tipc_bclink_name) == 0)
- return tipc_nl_bc_link_set(net, attrs);
-
- node = tipc_link_find_owner(net, name, &bearer_id);
- if (!node)
- return -EINVAL;
-
- tipc_node_lock(node);
-
- link = node->links[bearer_id].link;
- if (!link) {
- res = -EINVAL;
- goto out;
- }
-
- if (attrs[TIPC_NLA_LINK_PROP]) {
- struct nlattr *props[TIPC_NLA_PROP_MAX + 1];
-
- err = tipc_nl_parse_link_prop(attrs[TIPC_NLA_LINK_PROP],
- props);
- if (err) {
- res = err;
- goto out;
- }
-
- if (props[TIPC_NLA_PROP_TOL]) {
- u32 tol;
-
- tol = nla_get_u32(props[TIPC_NLA_PROP_TOL]);
- link->tolerance = tol;
- tipc_link_proto_xmit(link, STATE_MSG, 0, 0, tol, 0);
- }
- if (props[TIPC_NLA_PROP_PRIO]) {
- u32 prio;
-
- prio = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
- link->priority = prio;
- tipc_link_proto_xmit(link, STATE_MSG, 0, 0, 0, prio);
- }
- if (props[TIPC_NLA_PROP_WIN]) {
- u32 win;
-
- win = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
- tipc_link_set_queue_limits(link, win);
- }
- }
-
-out:
- tipc_node_unlock(node);
-
- return res;
-}
-
static int __tipc_nl_add_stats(struct sk_buff *skb, struct tipc_stats *s)
{
int i;
@@ -1770,8 +1836,8 @@
}
/* Caller should hold appropriate locks to protect the link */
-static int __tipc_nl_add_link(struct net *net, struct tipc_nl_msg *msg,
- struct tipc_link *link, int nlflags)
+int __tipc_nl_add_link(struct net *net, struct tipc_nl_msg *msg,
+ struct tipc_link *link, int nlflags)
{
int err;
void *hdr;
@@ -1840,198 +1906,134 @@
return -EMSGSIZE;
}
-/* Caller should hold node lock */
-static int __tipc_nl_add_node_links(struct net *net, struct tipc_nl_msg *msg,
- struct tipc_node *node, u32 *prev_link)
+static int __tipc_nl_add_bc_link_stat(struct sk_buff *skb,
+ struct tipc_stats *stats)
{
- u32 i;
- int err;
+ int i;
+ struct nlattr *nest;
- for (i = *prev_link; i < MAX_BEARERS; i++) {
- *prev_link = i;
+ struct nla_map {
+ __u32 key;
+ __u32 val;
+ };
- if (!node->links[i].link)
- continue;
+ struct nla_map map[] = {
+ {TIPC_NLA_STATS_RX_INFO, stats->recv_info},
+ {TIPC_NLA_STATS_RX_FRAGMENTS, stats->recv_fragments},
+ {TIPC_NLA_STATS_RX_FRAGMENTED, stats->recv_fragmented},
+ {TIPC_NLA_STATS_RX_BUNDLES, stats->recv_bundles},
+ {TIPC_NLA_STATS_RX_BUNDLED, stats->recv_bundled},
+ {TIPC_NLA_STATS_TX_INFO, stats->sent_info},
+ {TIPC_NLA_STATS_TX_FRAGMENTS, stats->sent_fragments},
+ {TIPC_NLA_STATS_TX_FRAGMENTED, stats->sent_fragmented},
+ {TIPC_NLA_STATS_TX_BUNDLES, stats->sent_bundles},
+ {TIPC_NLA_STATS_TX_BUNDLED, stats->sent_bundled},
+ {TIPC_NLA_STATS_RX_NACKS, stats->recv_nacks},
+ {TIPC_NLA_STATS_RX_DEFERRED, stats->deferred_recv},
+ {TIPC_NLA_STATS_TX_NACKS, stats->sent_nacks},
+ {TIPC_NLA_STATS_TX_ACKS, stats->sent_acks},
+ {TIPC_NLA_STATS_RETRANSMITTED, stats->retransmitted},
+ {TIPC_NLA_STATS_DUPLICATES, stats->duplicates},
+ {TIPC_NLA_STATS_LINK_CONGS, stats->link_congs},
+ {TIPC_NLA_STATS_MAX_QUEUE, stats->max_queue_sz},
+ {TIPC_NLA_STATS_AVG_QUEUE, stats->queue_sz_counts ?
+ (stats->accu_queue_sz / stats->queue_sz_counts) : 0}
+ };
- err = __tipc_nl_add_link(net, msg,
- node->links[i].link, NLM_F_MULTI);
- if (err)
- return err;
- }
- *prev_link = 0;
+ nest = nla_nest_start(skb, TIPC_NLA_LINK_STATS);
+ if (!nest)
+ return -EMSGSIZE;
+
+ for (i = 0; i < ARRAY_SIZE(map); i++)
+ if (nla_put_u32(skb, map[i].key, map[i].val))
+ goto msg_full;
+
+ nla_nest_end(skb, nest);
return 0;
+msg_full:
+ nla_nest_cancel(skb, nest);
+
+ return -EMSGSIZE;
}
-int tipc_nl_link_dump(struct sk_buff *skb, struct netlink_callback *cb)
+int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg)
{
- struct net *net = sock_net(skb->sk);
+ int err;
+ void *hdr;
+ struct nlattr *attrs;
+ struct nlattr *prop;
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_node *node;
- struct tipc_nl_msg msg;
- u32 prev_node = cb->args[0];
- u32 prev_link = cb->args[1];
- int done = cb->args[2];
- int err;
+ struct tipc_link *bcl = tn->bcl;
- if (done)
+ if (!bcl)
return 0;
- msg.skb = skb;
- msg.portid = NETLINK_CB(cb->skb).portid;
- msg.seq = cb->nlh->nlmsg_seq;
+ tipc_bcast_lock(net);
- rcu_read_lock();
- if (prev_node) {
- node = tipc_node_find(net, prev_node);
- if (!node) {
- /* We never set seq or call nl_dump_check_consistent()
- * this means that setting prev_seq here will cause the
- * consistence check to fail in the netlink callback
- * handler. Resulting in the last NLMSG_DONE message
- * having the NLM_F_DUMP_INTR flag set.
- */
- cb->prev_seq = 1;
- goto out;
- }
- tipc_node_put(node);
+ hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_family,
+ NLM_F_MULTI, TIPC_NL_LINK_GET);
+ if (!hdr)
+ return -EMSGSIZE;
- list_for_each_entry_continue_rcu(node, &tn->node_list,
- list) {
- tipc_node_lock(node);
- err = __tipc_nl_add_node_links(net, &msg, node,
- &prev_link);
- tipc_node_unlock(node);
- if (err)
- goto out;
+ attrs = nla_nest_start(msg->skb, TIPC_NLA_LINK);
+ if (!attrs)
+ goto msg_full;
- prev_node = node->addr;
- }
- } else {
- err = tipc_nl_add_bc_link(net, &msg);
- if (err)
- goto out;
+ /* The broadcast link is always up */
+ if (nla_put_flag(msg->skb, TIPC_NLA_LINK_UP))
+ goto attr_msg_full;
- list_for_each_entry_rcu(node, &tn->node_list, list) {
- tipc_node_lock(node);
- err = __tipc_nl_add_node_links(net, &msg, node,
- &prev_link);
- tipc_node_unlock(node);
- if (err)
- goto out;
+ if (nla_put_flag(msg->skb, TIPC_NLA_LINK_BROADCAST))
+ goto attr_msg_full;
+ if (nla_put_string(msg->skb, TIPC_NLA_LINK_NAME, bcl->name))
+ goto attr_msg_full;
+ if (nla_put_u32(msg->skb, TIPC_NLA_LINK_RX, bcl->rcv_nxt))
+ goto attr_msg_full;
+ if (nla_put_u32(msg->skb, TIPC_NLA_LINK_TX, bcl->snd_nxt))
+ goto attr_msg_full;
- prev_node = node->addr;
- }
- }
- done = 1;
-out:
- rcu_read_unlock();
+ prop = nla_nest_start(msg->skb, TIPC_NLA_LINK_PROP);
+ if (!prop)
+ goto attr_msg_full;
+ if (nla_put_u32(msg->skb, TIPC_NLA_PROP_WIN, bcl->window))
+ goto prop_msg_full;
+ nla_nest_end(msg->skb, prop);
- cb->args[0] = prev_node;
- cb->args[1] = prev_link;
- cb->args[2] = done;
-
- return skb->len;
-}
-
-int tipc_nl_link_get(struct sk_buff *skb, struct genl_info *info)
-{
- struct net *net = genl_info_net(info);
- struct tipc_nl_msg msg;
- char *name;
- int err;
-
- msg.portid = info->snd_portid;
- msg.seq = info->snd_seq;
-
- if (!info->attrs[TIPC_NLA_LINK_NAME])
- return -EINVAL;
- name = nla_data(info->attrs[TIPC_NLA_LINK_NAME]);
-
- msg.skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
- if (!msg.skb)
- return -ENOMEM;
-
- if (strcmp(name, tipc_bclink_name) == 0) {
- err = tipc_nl_add_bc_link(net, &msg);
- if (err) {
- nlmsg_free(msg.skb);
- return err;
- }
- } else {
- int bearer_id;
- struct tipc_node *node;
- struct tipc_link *link;
-
- node = tipc_link_find_owner(net, name, &bearer_id);
- if (!node)
- return -EINVAL;
-
- tipc_node_lock(node);
- link = node->links[bearer_id].link;
- if (!link) {
- tipc_node_unlock(node);
- nlmsg_free(msg.skb);
- return -EINVAL;
- }
-
- err = __tipc_nl_add_link(net, &msg, link, 0);
- tipc_node_unlock(node);
- if (err) {
- nlmsg_free(msg.skb);
- return err;
- }
- }
-
- return genlmsg_reply(msg.skb, info);
-}
-
-int tipc_nl_link_reset_stats(struct sk_buff *skb, struct genl_info *info)
-{
- int err;
- char *link_name;
- unsigned int bearer_id;
- struct tipc_link *link;
- struct tipc_node *node;
- struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1];
- struct net *net = sock_net(skb->sk);
-
- if (!info->attrs[TIPC_NLA_LINK])
- return -EINVAL;
-
- err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX,
- info->attrs[TIPC_NLA_LINK],
- tipc_nl_link_policy);
+ err = __tipc_nl_add_bc_link_stat(msg->skb, &bcl->stats);
if (err)
- return err;
+ goto attr_msg_full;
- if (!attrs[TIPC_NLA_LINK_NAME])
- return -EINVAL;
-
- link_name = nla_data(attrs[TIPC_NLA_LINK_NAME]);
-
- if (strcmp(link_name, tipc_bclink_name) == 0) {
- err = tipc_bclink_reset_stats(net);
- if (err)
- return err;
- return 0;
- }
-
- node = tipc_link_find_owner(net, link_name, &bearer_id);
- if (!node)
- return -EINVAL;
-
- tipc_node_lock(node);
-
- link = node->links[bearer_id].link;
- if (!link) {
- tipc_node_unlock(node);
- return -EINVAL;
- }
-
- link_reset_statistics(link);
-
- tipc_node_unlock(node);
+ tipc_bcast_unlock(net);
+ nla_nest_end(msg->skb, attrs);
+ genlmsg_end(msg->skb, hdr);
return 0;
+
+prop_msg_full:
+ nla_nest_cancel(msg->skb, prop);
+attr_msg_full:
+ nla_nest_cancel(msg->skb, attrs);
+msg_full:
+ tipc_bcast_unlock(net);
+ genlmsg_cancel(msg->skb, hdr);
+
+ return -EMSGSIZE;
+}
+
+void tipc_link_set_tolerance(struct tipc_link *l, u32 tol)
+{
+ l->tolerance = tol;
+ tipc_link_proto_xmit(l, STATE_MSG, 0, 0, tol, 0);
+}
+
+void tipc_link_set_prio(struct tipc_link *l, u32 prio)
+{
+ l->priority = prio;
+ tipc_link_proto_xmit(l, STATE_MSG, 0, 0, 0, prio);
+}
+
+void tipc_link_set_abort_limit(struct tipc_link *l, u32 limit)
+{
+ l->abort_limit = limit;
}
diff --git a/net/tipc/link.h b/net/tipc/link.h
index 66d859b..b2ae0f4 100644
--- a/net/tipc/link.h
+++ b/net/tipc/link.h
@@ -45,10 +45,6 @@
*/
#define ELINKCONG EAGAIN /* link congestion <=> resource unavailable */
-/* Out-of-range value for link sequence numbers
- */
-#define INVALID_LINK_SEQ 0x10000
-
/* Link FSM events:
*/
enum {
@@ -75,151 +71,6 @@
*/
#define MAX_PKT_DEFAULT 1500
-struct tipc_stats {
- u32 sent_info; /* used in counting # sent packets */
- u32 recv_info; /* used in counting # recv'd packets */
- u32 sent_states;
- u32 recv_states;
- u32 sent_probes;
- u32 recv_probes;
- u32 sent_nacks;
- u32 recv_nacks;
- u32 sent_acks;
- u32 sent_bundled;
- u32 sent_bundles;
- u32 recv_bundled;
- u32 recv_bundles;
- u32 retransmitted;
- u32 sent_fragmented;
- u32 sent_fragments;
- u32 recv_fragmented;
- u32 recv_fragments;
- u32 link_congs; /* # port sends blocked by congestion */
- u32 deferred_recv;
- u32 duplicates;
- u32 max_queue_sz; /* send queue size high water mark */
- u32 accu_queue_sz; /* used for send queue size profiling */
- u32 queue_sz_counts; /* used for send queue size profiling */
- u32 msg_length_counts; /* used for message length profiling */
- u32 msg_lengths_total; /* used for message length profiling */
- u32 msg_length_profile[7]; /* used for msg. length profiling */
-};
-
-/**
- * struct tipc_link - TIPC link data structure
- * @addr: network address of link's peer node
- * @name: link name character string
- * @media_addr: media address to use when sending messages over link
- * @timer: link timer
- * @net: pointer to namespace struct
- * @refcnt: reference counter for permanent references (owner node & timer)
- * @peer_session: link session # being used by peer end of link
- * @peer_bearer_id: bearer id used by link's peer endpoint
- * @bearer_id: local bearer id used by link
- * @tolerance: minimum link continuity loss needed to reset link [in ms]
- * @keepalive_intv: link keepalive timer interval
- * @abort_limit: # of unacknowledged continuity probes needed to reset link
- * @state: current state of link FSM
- * @peer_caps: bitmap describing capabilities of peer node
- * @silent_intv_cnt: # of timer intervals without any reception from peer
- * @proto_msg: template for control messages generated by link
- * @pmsg: convenience pointer to "proto_msg" field
- * @priority: current link priority
- * @net_plane: current link network plane ('A' through 'H')
- * @backlog_limit: backlog queue congestion thresholds (indexed by importance)
- * @exp_msg_count: # of tunnelled messages expected during link changeover
- * @reset_rcv_checkpt: seq # of last acknowledged message at time of link reset
- * @mtu: current maximum packet size for this link
- * @advertised_mtu: advertised own mtu when link is being established
- * @transmitq: queue for sent, non-acked messages
- * @backlogq: queue for messages waiting to be sent
- * @snt_nxt: next sequence number to use for outbound messages
- * @last_retransmitted: sequence number of most recently retransmitted message
- * @stale_count: # of identical retransmit requests made by peer
- * @ackers: # of peers that needs to ack each packet before it can be released
- * @acked: # last packet acked by a certain peer. Used for broadcast.
- * @rcv_nxt: next sequence number to expect for inbound messages
- * @deferred_queue: deferred queue saved OOS b'cast message received from node
- * @unacked_window: # of inbound messages rx'd without ack'ing back to peer
- * @inputq: buffer queue for messages to be delivered upwards
- * @namedq: buffer queue for name table messages to be delivered upwards
- * @next_out: ptr to first unsent outbound message in queue
- * @wakeupq: linked list of wakeup msgs waiting for link congestion to abate
- * @long_msg_seq_no: next identifier to use for outbound fragmented messages
- * @reasm_buf: head of partially reassembled inbound message fragments
- * @bc_rcvr: marks that this is a broadcast receiver link
- * @stats: collects statistics regarding link activity
- */
-struct tipc_link {
- u32 addr;
- char name[TIPC_MAX_LINK_NAME];
- struct tipc_media_addr *media_addr;
- struct net *net;
-
- /* Management and link supervision data */
- u32 peer_session;
- u32 peer_bearer_id;
- u32 bearer_id;
- u32 tolerance;
- unsigned long keepalive_intv;
- u32 abort_limit;
- u32 state;
- u16 peer_caps;
- bool active;
- u32 silent_intv_cnt;
- struct {
- unchar hdr[INT_H_SIZE];
- unchar body[TIPC_MAX_IF_NAME];
- } proto_msg;
- struct tipc_msg *pmsg;
- u32 priority;
- char net_plane;
-
- /* Failover/synch */
- u16 drop_point;
- struct sk_buff *failover_reasm_skb;
-
- /* Max packet negotiation */
- u16 mtu;
- u16 advertised_mtu;
-
- /* Sending */
- struct sk_buff_head transmq;
- struct sk_buff_head backlogq;
- struct {
- u16 len;
- u16 limit;
- } backlog[5];
- u16 snd_nxt;
- u16 last_retransm;
- u16 window;
- u32 stale_count;
-
- /* Reception */
- u16 rcv_nxt;
- u32 rcv_unacked;
- struct sk_buff_head deferdq;
- struct sk_buff_head *inputq;
- struct sk_buff_head *namedq;
-
- /* Congestion handling */
- struct sk_buff_head wakeupq;
-
- /* Fragmentation/reassembly */
- struct sk_buff *reasm_buf;
-
- /* Broadcast */
- u16 ackers;
- u16 acked;
- struct tipc_link *bc_rcvlink;
- struct tipc_link *bc_sndlink;
- int nack_state;
- bool bc_peer_is_up;
-
- /* Statistics */
- struct tipc_stats stats;
-};
-
bool tipc_link_create(struct net *net, char *if_name, int bearer_id,
int tolerance, char net_plane, u32 mtu, int priority,
int window, u32 session, u32 ownnode, u32 peer,
@@ -235,11 +86,11 @@
struct sk_buff_head *namedq,
struct tipc_link *bc_sndlink,
struct tipc_link **link);
+void tipc_link_reinit(struct tipc_link *l, u32 addr);
void tipc_link_tnl_prepare(struct tipc_link *l, struct tipc_link *tnl,
int mtyp, struct sk_buff_head *xmitq);
void tipc_link_build_reset_msg(struct tipc_link *l, struct sk_buff_head *xmitq);
int tipc_link_fsm_evt(struct tipc_link *l, int evt);
-void tipc_link_reset_fragments(struct tipc_link *l_ptr);
bool tipc_link_is_up(struct tipc_link *l);
bool tipc_link_peer_is_down(struct tipc_link *l);
bool tipc_link_is_reset(struct tipc_link *l);
@@ -248,15 +99,25 @@
bool tipc_link_is_failingover(struct tipc_link *l);
bool tipc_link_is_blocked(struct tipc_link *l);
void tipc_link_set_active(struct tipc_link *l, bool active);
-void tipc_link_reset(struct tipc_link *l_ptr);
-int tipc_link_xmit(struct tipc_link *link, struct sk_buff_head *list,
+void tipc_link_reset(struct tipc_link *l);
+void tipc_link_reset_stats(struct tipc_link *l);
+int tipc_link_xmit(struct tipc_link *link, struct sk_buff_head *list,
struct sk_buff_head *xmitq);
+struct sk_buff_head *tipc_link_inputq(struct tipc_link *l);
+u16 tipc_link_rcv_nxt(struct tipc_link *l);
+u16 tipc_link_acked(struct tipc_link *l);
+u32 tipc_link_id(struct tipc_link *l);
+char *tipc_link_name(struct tipc_link *l);
+char tipc_link_plane(struct tipc_link *l);
+int tipc_link_prio(struct tipc_link *l);
+int tipc_link_window(struct tipc_link *l);
+unsigned long tipc_link_tolerance(struct tipc_link *l);
+void tipc_link_set_tolerance(struct tipc_link *l, u32 tol);
+void tipc_link_set_prio(struct tipc_link *l, u32 prio);
+void tipc_link_set_abort_limit(struct tipc_link *l, u32 limit);
void tipc_link_set_queue_limits(struct tipc_link *l, u32 window);
-
-int tipc_nl_link_dump(struct sk_buff *skb, struct netlink_callback *cb);
-int tipc_nl_link_get(struct sk_buff *skb, struct genl_info *info);
-int tipc_nl_link_set(struct sk_buff *skb, struct genl_info *info);
-int tipc_nl_link_reset_stats(struct sk_buff *skb, struct genl_info *info);
+int __tipc_nl_add_link(struct net *net, struct tipc_nl_msg *msg,
+ struct tipc_link *link, int nlflags);
int tipc_nl_parse_link_prop(struct nlattr *prop, struct nlattr *props[]);
int tipc_link_timeout(struct tipc_link *l, struct sk_buff_head *xmitq);
int tipc_link_rcv(struct tipc_link *l, struct sk_buff *skb,
diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index c07612b..ebe9d0f 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -84,31 +84,6 @@
return buf;
}
-void named_cluster_distribute(struct net *net, struct sk_buff *skb)
-{
- struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct sk_buff *oskb;
- struct tipc_node *node;
- u32 dnode;
-
- rcu_read_lock();
- list_for_each_entry_rcu(node, &tn->node_list, list) {
- dnode = node->addr;
- if (in_own_node(net, dnode))
- continue;
- if (!tipc_node_is_up(node))
- continue;
- oskb = pskb_copy(skb, GFP_ATOMIC);
- if (!oskb)
- break;
- msg_set_destnode(buf_msg(oskb), dnode);
- tipc_node_xmit_skb(net, oskb, dnode, 0);
- }
- rcu_read_unlock();
-
- kfree_skb(skb);
-}
-
/**
* tipc_named_publish - tell other nodes about a new publication by this node
*/
@@ -226,42 +201,6 @@
tipc_node_xmit(net, &head, dnode, 0);
}
-static void tipc_publ_subscribe(struct net *net, struct publication *publ,
- u32 addr)
-{
- struct tipc_node *node;
-
- if (in_own_node(net, addr))
- return;
-
- node = tipc_node_find(net, addr);
- if (!node) {
- pr_warn("Node subscription rejected, unknown node 0x%x\n",
- addr);
- return;
- }
-
- tipc_node_lock(node);
- list_add_tail(&publ->nodesub_list, &node->publ_list);
- tipc_node_unlock(node);
- tipc_node_put(node);
-}
-
-static void tipc_publ_unsubscribe(struct net *net, struct publication *publ,
- u32 addr)
-{
- struct tipc_node *node;
-
- node = tipc_node_find(net, addr);
- if (!node)
- return;
-
- tipc_node_lock(node);
- list_del_init(&publ->nodesub_list);
- tipc_node_unlock(node);
- tipc_node_put(node);
-}
-
/**
* tipc_publ_purge - remove publication associated with a failed node
*
@@ -277,7 +216,7 @@
p = tipc_nametbl_remove_publ(net, publ->type, publ->lower,
publ->node, publ->ref, publ->key);
if (p)
- tipc_publ_unsubscribe(net, p, addr);
+ tipc_node_unsubscribe(net, &p->nodesub_list, addr);
spin_unlock_bh(&tn->nametbl_lock);
if (p != publ) {
@@ -317,7 +256,7 @@
TIPC_CLUSTER_SCOPE, node,
ntohl(i->ref), ntohl(i->key));
if (publ) {
- tipc_publ_subscribe(net, publ, node);
+ tipc_node_subscribe(net, &publ->nodesub_list, node);
return true;
}
} else if (dtype == WITHDRAWAL) {
@@ -326,7 +265,7 @@
node, ntohl(i->ref),
ntohl(i->key));
if (publ) {
- tipc_publ_unsubscribe(net, publ, node);
+ tipc_node_unsubscribe(net, &publ->nodesub_list, node);
kfree_rcu(publ, rcu);
return true;
}
@@ -397,6 +336,7 @@
spin_lock_bh(&tn->nametbl_lock);
for (skb = skb_dequeue(inputq); skb; skb = skb_dequeue(inputq)) {
+ skb_linearize(skb);
msg = buf_msg(skb);
mtype = msg_type(msg);
item = (struct distr_item *)msg_data(msg);
diff --git a/net/tipc/name_distr.h b/net/tipc/name_distr.h
index dd2d9fd..1264ba0 100644
--- a/net/tipc/name_distr.h
+++ b/net/tipc/name_distr.h
@@ -69,7 +69,6 @@
struct sk_buff *tipc_named_publish(struct net *net, struct publication *publ);
struct sk_buff *tipc_named_withdraw(struct net *net, struct publication *publ);
-void named_cluster_distribute(struct net *net, struct sk_buff *buf);
void tipc_named_node_up(struct net *net, u32 dnode);
void tipc_named_rcv(struct net *net, struct sk_buff_head *msg_queue);
void tipc_named_reinit(struct net *net);
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 0f47f08..91fce70 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -42,6 +42,7 @@
#include "subscr.h"
#include "bcast.h"
#include "addr.h"
+#include "node.h"
#include <net/genetlink.h>
#define TIPC_NAMETBL_SIZE 1024 /* must be a power of 2 */
@@ -677,7 +678,7 @@
spin_unlock_bh(&tn->nametbl_lock);
if (buf)
- named_cluster_distribute(net, buf);
+ tipc_node_broadcast(net, buf);
return publ;
}
@@ -709,7 +710,7 @@
spin_unlock_bh(&tn->nametbl_lock);
if (skb) {
- named_cluster_distribute(net, skb);
+ tipc_node_broadcast(net, skb);
return 1;
}
return 0;
diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c
index 7f6475e..8975b01 100644
--- a/net/tipc/netlink.c
+++ b/net/tipc/netlink.c
@@ -101,18 +101,18 @@
},
{
.cmd = TIPC_NL_LINK_GET,
- .doit = tipc_nl_link_get,
- .dumpit = tipc_nl_link_dump,
+ .doit = tipc_nl_node_get_link,
+ .dumpit = tipc_nl_node_dump_link,
.policy = tipc_nl_policy,
},
{
.cmd = TIPC_NL_LINK_SET,
- .doit = tipc_nl_link_set,
+ .doit = tipc_nl_node_set_link,
.policy = tipc_nl_policy,
},
{
.cmd = TIPC_NL_LINK_RESET_STATS,
- .doit = tipc_nl_link_reset_stats,
+ .doit = tipc_nl_node_reset_link_stats,
.policy = tipc_nl_policy,
},
{
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 1eadc95..2c016fd 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -1023,25 +1023,25 @@
msg->req_type = TIPC_TLV_LINK_NAME;
msg->rep_size = ULTRA_STRING_MAX_LEN;
msg->rep_type = TIPC_TLV_ULTRA_STRING;
- dump.dumpit = tipc_nl_link_dump;
+ dump.dumpit = tipc_nl_node_dump_link;
dump.format = tipc_nl_compat_link_stat_dump;
return tipc_nl_compat_dumpit(&dump, msg);
case TIPC_CMD_GET_LINKS:
msg->req_type = TIPC_TLV_NET_ADDR;
msg->rep_size = ULTRA_STRING_MAX_LEN;
- dump.dumpit = tipc_nl_link_dump;
+ dump.dumpit = tipc_nl_node_dump_link;
dump.format = tipc_nl_compat_link_dump;
return tipc_nl_compat_dumpit(&dump, msg);
case TIPC_CMD_SET_LINK_TOL:
case TIPC_CMD_SET_LINK_PRI:
case TIPC_CMD_SET_LINK_WINDOW:
msg->req_type = TIPC_TLV_LINK_CONFIG;
- doit.doit = tipc_nl_link_set;
+ doit.doit = tipc_nl_node_set_link;
doit.transcode = tipc_nl_compat_link_set;
return tipc_nl_compat_doit(&doit, msg);
case TIPC_CMD_RESET_LINK_STATS:
msg->req_type = TIPC_TLV_LINK_NAME;
- doit.doit = tipc_nl_link_reset_stats;
+ doit.doit = tipc_nl_node_reset_link_stats;
doit.transcode = tipc_nl_compat_link_reset_stats;
return tipc_nl_compat_doit(&doit, msg);
case TIPC_CMD_SHOW_NAME_TABLE:
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 20cddec..3f7a4ed 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -42,6 +42,84 @@
#include "bcast.h"
#include "discover.h"
+#define INVALID_NODE_SIG 0x10000
+
+/* Flags used to take different actions according to flag type
+ * TIPC_NOTIFY_NODE_DOWN: notify node is down
+ * TIPC_NOTIFY_NODE_UP: notify node is up
+ * TIPC_DISTRIBUTE_NAME: publish or withdraw link state name type
+ */
+enum {
+ TIPC_NOTIFY_NODE_DOWN = (1 << 3),
+ TIPC_NOTIFY_NODE_UP = (1 << 4),
+ TIPC_NOTIFY_LINK_UP = (1 << 6),
+ TIPC_NOTIFY_LINK_DOWN = (1 << 7)
+};
+
+struct tipc_link_entry {
+ struct tipc_link *link;
+ spinlock_t lock; /* per link */
+ u32 mtu;
+ struct sk_buff_head inputq;
+ struct tipc_media_addr maddr;
+};
+
+struct tipc_bclink_entry {
+ struct tipc_link *link;
+ struct sk_buff_head inputq1;
+ struct sk_buff_head arrvq;
+ struct sk_buff_head inputq2;
+ struct sk_buff_head namedq;
+};
+
+/**
+ * struct tipc_node - TIPC node structure
+ * @addr: network address of node
+ * @ref: reference counter to node object
+ * @lock: rwlock governing access to structure
+ * @net: the applicable net namespace
+ * @hash: links to adjacent nodes in unsorted hash chain
+ * @inputq: pointer to input queue containing messages for msg event
+ * @namedq: pointer to name table input queue with name table messages
+ * @active_links: bearer ids of active links, used as index into links[] array
+ * @links: array containing references to all links to node
+ * @action_flags: bit mask of different types of node actions
+ * @state: connectivity state vs peer node
+ * @sync_point: sequence number where synch/failover is finished
+ * @list: links to adjacent nodes in sorted list of cluster's nodes
+ * @working_links: number of working links to node (both active and standby)
+ * @link_cnt: number of links to node
+ * @capabilities: bitmap, indicating peer node's functional capabilities
+ * @signature: node instance identifier
+ * @link_id: local and remote bearer ids of changing link, if any
+ * @publ_list: list of publications
+ * @rcu: rcu struct for tipc_node
+ */
+struct tipc_node {
+ u32 addr;
+ struct kref kref;
+ rwlock_t lock;
+ struct net *net;
+ struct hlist_node hash;
+ int active_links[2];
+ struct tipc_link_entry links[MAX_BEARERS];
+ struct tipc_bclink_entry bc_entry;
+ int action_flags;
+ struct list_head list;
+ int state;
+ u16 sync_point;
+ int link_cnt;
+ u16 working_links;
+ u16 capabilities;
+ u32 signature;
+ u32 link_id;
+ struct list_head publ_list;
+ struct list_head conn_sks;
+ unsigned long keepalive_intv;
+ struct timer_list timer;
+ struct rcu_head rcu;
+};
+
/* Node FSM states and events:
*/
enum {
@@ -75,6 +153,9 @@
static void tipc_node_delete(struct tipc_node *node);
static void tipc_node_timeout(unsigned long data);
static void tipc_node_fsm_evt(struct tipc_node *n, int evt);
+static struct tipc_node *tipc_node_find(struct net *net, u32 addr);
+static void tipc_node_put(struct tipc_node *node);
+static bool tipc_node_is_up(struct tipc_node *n);
struct tipc_sock_conn {
u32 port;
@@ -83,12 +164,54 @@
struct list_head list;
};
+static const struct nla_policy tipc_nl_link_policy[TIPC_NLA_LINK_MAX + 1] = {
+ [TIPC_NLA_LINK_UNSPEC] = { .type = NLA_UNSPEC },
+ [TIPC_NLA_LINK_NAME] = {
+ .type = NLA_STRING,
+ .len = TIPC_MAX_LINK_NAME
+ },
+ [TIPC_NLA_LINK_MTU] = { .type = NLA_U32 },
+ [TIPC_NLA_LINK_BROADCAST] = { .type = NLA_FLAG },
+ [TIPC_NLA_LINK_UP] = { .type = NLA_FLAG },
+ [TIPC_NLA_LINK_ACTIVE] = { .type = NLA_FLAG },
+ [TIPC_NLA_LINK_PROP] = { .type = NLA_NESTED },
+ [TIPC_NLA_LINK_STATS] = { .type = NLA_NESTED },
+ [TIPC_NLA_LINK_RX] = { .type = NLA_U32 },
+ [TIPC_NLA_LINK_TX] = { .type = NLA_U32 }
+};
+
static const struct nla_policy tipc_nl_node_policy[TIPC_NLA_NODE_MAX + 1] = {
[TIPC_NLA_NODE_UNSPEC] = { .type = NLA_UNSPEC },
[TIPC_NLA_NODE_ADDR] = { .type = NLA_U32 },
[TIPC_NLA_NODE_UP] = { .type = NLA_FLAG }
};
+static struct tipc_link *node_active_link(struct tipc_node *n, int sel)
+{
+ int bearer_id = n->active_links[sel & 1];
+
+ if (unlikely(bearer_id == INVALID_BEARER_ID))
+ return NULL;
+
+ return n->links[bearer_id].link;
+}
+
+int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel)
+{
+ struct tipc_node *n;
+ int bearer_id;
+ unsigned int mtu = MAX_MSG_SIZE;
+
+ n = tipc_node_find(net, addr);
+ if (unlikely(!n))
+ return mtu;
+
+ bearer_id = n->active_links[sel & 1];
+ if (likely(bearer_id != INVALID_BEARER_ID))
+ mtu = n->links[bearer_id].mtu;
+ tipc_node_put(n);
+ return mtu;
+}
/*
* A trivial power-of-two bitmask technique is used for speed, since this
* operation is done for every incoming TIPC packet. The number of hash table
@@ -107,7 +230,7 @@
tipc_node_delete(node);
}
-void tipc_node_put(struct tipc_node *node)
+static void tipc_node_put(struct tipc_node *node)
{
kref_put(&node->kref, tipc_node_kref_release);
}
@@ -120,7 +243,7 @@
/*
* tipc_node_find - locate specified node object, if it exists
*/
-struct tipc_node *tipc_node_find(struct net *net, u32 addr)
+static struct tipc_node *tipc_node_find(struct net *net, u32 addr)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
struct tipc_node *node;
@@ -141,66 +264,122 @@
return NULL;
}
+static void tipc_node_read_lock(struct tipc_node *n)
+{
+ read_lock_bh(&n->lock);
+}
+
+static void tipc_node_read_unlock(struct tipc_node *n)
+{
+ read_unlock_bh(&n->lock);
+}
+
+static void tipc_node_write_lock(struct tipc_node *n)
+{
+ write_lock_bh(&n->lock);
+}
+
+static void tipc_node_write_unlock(struct tipc_node *n)
+{
+ struct net *net = n->net;
+ u32 addr = 0;
+ u32 flags = n->action_flags;
+ u32 link_id = 0;
+ struct list_head *publ_list;
+
+ if (likely(!flags)) {
+ write_unlock_bh(&n->lock);
+ return;
+ }
+
+ addr = n->addr;
+ link_id = n->link_id;
+ publ_list = &n->publ_list;
+
+ n->action_flags &= ~(TIPC_NOTIFY_NODE_DOWN | TIPC_NOTIFY_NODE_UP |
+ TIPC_NOTIFY_LINK_DOWN | TIPC_NOTIFY_LINK_UP);
+
+ write_unlock_bh(&n->lock);
+
+ if (flags & TIPC_NOTIFY_NODE_DOWN)
+ tipc_publ_notify(net, publ_list, addr);
+
+ if (flags & TIPC_NOTIFY_NODE_UP)
+ tipc_named_node_up(net, addr);
+
+ if (flags & TIPC_NOTIFY_LINK_UP)
+ tipc_nametbl_publish(net, TIPC_LINK_STATE, addr, addr,
+ TIPC_NODE_SCOPE, link_id, addr);
+
+ if (flags & TIPC_NOTIFY_LINK_DOWN)
+ tipc_nametbl_withdraw(net, TIPC_LINK_STATE, addr,
+ link_id, addr);
+}
+
struct tipc_node *tipc_node_create(struct net *net, u32 addr, u16 capabilities)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_node *n_ptr, *temp_node;
+ struct tipc_node *n, *temp_node;
+ int i;
spin_lock_bh(&tn->node_list_lock);
- n_ptr = tipc_node_find(net, addr);
- if (n_ptr)
+ n = tipc_node_find(net, addr);
+ if (n)
goto exit;
- n_ptr = kzalloc(sizeof(*n_ptr), GFP_ATOMIC);
- if (!n_ptr) {
+ n = kzalloc(sizeof(*n), GFP_ATOMIC);
+ if (!n) {
pr_warn("Node creation failed, no memory\n");
goto exit;
}
- n_ptr->addr = addr;
- n_ptr->net = net;
- n_ptr->capabilities = capabilities;
- kref_init(&n_ptr->kref);
- spin_lock_init(&n_ptr->lock);
- INIT_HLIST_NODE(&n_ptr->hash);
- INIT_LIST_HEAD(&n_ptr->list);
- INIT_LIST_HEAD(&n_ptr->publ_list);
- INIT_LIST_HEAD(&n_ptr->conn_sks);
- skb_queue_head_init(&n_ptr->bc_entry.namedq);
- skb_queue_head_init(&n_ptr->bc_entry.inputq1);
- __skb_queue_head_init(&n_ptr->bc_entry.arrvq);
- skb_queue_head_init(&n_ptr->bc_entry.inputq2);
- hlist_add_head_rcu(&n_ptr->hash, &tn->node_htable[tipc_hashfn(addr)]);
+ n->addr = addr;
+ n->net = net;
+ n->capabilities = capabilities;
+ kref_init(&n->kref);
+ rwlock_init(&n->lock);
+ INIT_HLIST_NODE(&n->hash);
+ INIT_LIST_HEAD(&n->list);
+ INIT_LIST_HEAD(&n->publ_list);
+ INIT_LIST_HEAD(&n->conn_sks);
+ skb_queue_head_init(&n->bc_entry.namedq);
+ skb_queue_head_init(&n->bc_entry.inputq1);
+ __skb_queue_head_init(&n->bc_entry.arrvq);
+ skb_queue_head_init(&n->bc_entry.inputq2);
+ for (i = 0; i < MAX_BEARERS; i++)
+ spin_lock_init(&n->links[i].lock);
+ hlist_add_head_rcu(&n->hash, &tn->node_htable[tipc_hashfn(addr)]);
list_for_each_entry_rcu(temp_node, &tn->node_list, list) {
- if (n_ptr->addr < temp_node->addr)
+ if (n->addr < temp_node->addr)
break;
}
- list_add_tail_rcu(&n_ptr->list, &temp_node->list);
- n_ptr->state = SELF_DOWN_PEER_LEAVING;
- n_ptr->signature = INVALID_NODE_SIG;
- n_ptr->active_links[0] = INVALID_BEARER_ID;
- n_ptr->active_links[1] = INVALID_BEARER_ID;
- if (!tipc_link_bc_create(net, tipc_own_addr(net), n_ptr->addr,
- U16_MAX, tipc_bc_sndlink(net)->window,
- n_ptr->capabilities,
- &n_ptr->bc_entry.inputq1,
- &n_ptr->bc_entry.namedq,
+ list_add_tail_rcu(&n->list, &temp_node->list);
+ n->state = SELF_DOWN_PEER_LEAVING;
+ n->signature = INVALID_NODE_SIG;
+ n->active_links[0] = INVALID_BEARER_ID;
+ n->active_links[1] = INVALID_BEARER_ID;
+ if (!tipc_link_bc_create(net, tipc_own_addr(net), n->addr,
+ U16_MAX,
+ tipc_link_window(tipc_bc_sndlink(net)),
+ n->capabilities,
+ &n->bc_entry.inputq1,
+ &n->bc_entry.namedq,
tipc_bc_sndlink(net),
- &n_ptr->bc_entry.link)) {
+ &n->bc_entry.link)) {
pr_warn("Broadcast rcv link creation failed, no memory\n");
- kfree(n_ptr);
- n_ptr = NULL;
+ kfree(n);
+ n = NULL;
goto exit;
}
- tipc_node_get(n_ptr);
- setup_timer(&n_ptr->timer, tipc_node_timeout, (unsigned long)n_ptr);
- n_ptr->keepalive_intv = U32_MAX;
+ tipc_node_get(n);
+ setup_timer(&n->timer, tipc_node_timeout, (unsigned long)n);
+ n->keepalive_intv = U32_MAX;
exit:
spin_unlock_bh(&tn->node_list_lock);
- return n_ptr;
+ return n;
}
static void tipc_node_calculate_timer(struct tipc_node *n, struct tipc_link *l)
{
- unsigned long tol = l->tolerance;
+ unsigned long tol = tipc_link_tolerance(l);
unsigned long intv = ((tol / 4) > 500) ? 500 : tol / 4;
unsigned long keepalive_intv = msecs_to_jiffies(intv);
@@ -209,7 +388,7 @@
n->keepalive_intv = keepalive_intv;
/* Ensure link's abort limit corresponds to current interval */
- l->abort_limit = l->tolerance / jiffies_to_msecs(n->keepalive_intv);
+ tipc_link_set_abort_limit(l, tol / jiffies_to_msecs(n->keepalive_intv));
}
static void tipc_node_delete(struct tipc_node *node)
@@ -234,6 +413,42 @@
spin_unlock_bh(&tn->node_list_lock);
}
+void tipc_node_subscribe(struct net *net, struct list_head *subscr, u32 addr)
+{
+ struct tipc_node *n;
+
+ if (in_own_node(net, addr))
+ return;
+
+ n = tipc_node_find(net, addr);
+ if (!n) {
+ pr_warn("Node subscribe rejected, unknown node 0x%x\n", addr);
+ return;
+ }
+ tipc_node_write_lock(n);
+ list_add_tail(subscr, &n->publ_list);
+ tipc_node_write_unlock(n);
+ tipc_node_put(n);
+}
+
+void tipc_node_unsubscribe(struct net *net, struct list_head *subscr, u32 addr)
+{
+ struct tipc_node *n;
+
+ if (in_own_node(net, addr))
+ return;
+
+ n = tipc_node_find(net, addr);
+ if (!n) {
+ pr_warn("Node unsubscribe rejected, unknown node 0x%x\n", addr);
+ return;
+ }
+ tipc_node_write_lock(n);
+ list_del_init(subscr);
+ tipc_node_write_unlock(n);
+ tipc_node_put(n);
+}
+
int tipc_node_add_conn(struct net *net, u32 dnode, u32 port, u32 peer_port)
{
struct tipc_node *node;
@@ -257,9 +472,9 @@
conn->port = port;
conn->peer_port = peer_port;
- tipc_node_lock(node);
+ tipc_node_write_lock(node);
list_add_tail(&conn->list, &node->conn_sks);
- tipc_node_unlock(node);
+ tipc_node_write_unlock(node);
exit:
tipc_node_put(node);
return err;
@@ -277,14 +492,14 @@
if (!node)
return;
- tipc_node_lock(node);
+ tipc_node_write_lock(node);
list_for_each_entry_safe(conn, safe, &node->conn_sks, list) {
if (port != conn->port)
continue;
list_del(&conn->list);
kfree(conn);
}
- tipc_node_unlock(node);
+ tipc_node_write_unlock(node);
tipc_node_put(node);
}
@@ -301,14 +516,16 @@
__skb_queue_head_init(&xmitq);
for (bearer_id = 0; bearer_id < MAX_BEARERS; bearer_id++) {
- tipc_node_lock(n);
+ tipc_node_read_lock(n);
le = &n->links[bearer_id];
+ spin_lock_bh(&le->lock);
if (le->link) {
/* Link tolerance may change asynchronously: */
tipc_node_calculate_timer(n, le->link);
rc = tipc_link_timeout(le->link, &xmitq);
}
- tipc_node_unlock(n);
+ spin_unlock_bh(&le->lock);
+ tipc_node_read_unlock(n);
tipc_bearer_xmit(n->net, bearer_id, &xmitq, &le->maddr);
if (rc & TIPC_LINK_DOWN_EVT)
tipc_node_link_down(n, bearer_id, false);
@@ -340,16 +557,16 @@
n->working_links++;
n->action_flags |= TIPC_NOTIFY_LINK_UP;
- n->link_id = nl->peer_bearer_id << 16 | bearer_id;
+ n->link_id = tipc_link_id(nl);
/* Leave room for tunnel header when returning 'mtu' to users: */
- n->links[bearer_id].mtu = nl->mtu - INT_H_SIZE;
+ n->links[bearer_id].mtu = tipc_link_mtu(nl) - INT_H_SIZE;
tipc_bearer_add_dest(n->net, bearer_id, n->addr);
tipc_bcast_inc_bearer_dst_cnt(n->net, bearer_id);
pr_debug("Established link <%s> on network plane %c\n",
- nl->name, nl->net_plane);
+ tipc_link_name(nl), tipc_link_plane(nl));
/* First link? => give it both slots */
if (!ol) {
@@ -362,17 +579,17 @@
}
/* Second link => redistribute slots */
- if (nl->priority > ol->priority) {
- pr_debug("Old link <%s> becomes standby\n", ol->name);
+ if (tipc_link_prio(nl) > tipc_link_prio(ol)) {
+ pr_debug("Old link <%s> becomes standby\n", tipc_link_name(ol));
*slot0 = bearer_id;
*slot1 = bearer_id;
tipc_link_set_active(nl, true);
tipc_link_set_active(ol, false);
- } else if (nl->priority == ol->priority) {
+ } else if (tipc_link_prio(nl) == tipc_link_prio(ol)) {
tipc_link_set_active(nl, true);
*slot1 = bearer_id;
} else {
- pr_debug("New link <%s> is standby\n", nl->name);
+ pr_debug("New link <%s> is standby\n", tipc_link_name(nl));
}
/* Prepare synchronization with first link */
@@ -387,9 +604,9 @@
static void tipc_node_link_up(struct tipc_node *n, int bearer_id,
struct sk_buff_head *xmitq)
{
- tipc_node_lock(n);
+ tipc_node_write_lock(n);
__tipc_node_link_up(n, bearer_id, xmitq);
- tipc_node_unlock(n);
+ tipc_node_write_unlock(n);
}
/**
@@ -402,7 +619,7 @@
struct tipc_link_entry *le = &n->links[*bearer_id];
int *slot0 = &n->active_links[0];
int *slot1 = &n->active_links[1];
- int i, highest = 0;
+ int i, highest = 0, prio;
struct tipc_link *l, *_l, *tnl;
l = n->links[*bearer_id].link;
@@ -411,12 +628,12 @@
n->working_links--;
n->action_flags |= TIPC_NOTIFY_LINK_DOWN;
- n->link_id = l->peer_bearer_id << 16 | *bearer_id;
+ n->link_id = tipc_link_id(l);
tipc_bearer_remove_dest(n->net, *bearer_id, n->addr);
pr_debug("Lost link <%s> on network plane %c\n",
- l->name, l->net_plane);
+ tipc_link_name(l), tipc_link_plane(l));
/* Select new active link if any available */
*slot0 = INVALID_BEARER_ID;
@@ -427,10 +644,11 @@
continue;
if (_l == l)
continue;
- if (_l->priority < highest)
+ prio = tipc_link_prio(_l);
+ if (prio < highest)
continue;
- if (_l->priority > highest) {
- highest = _l->priority;
+ if (prio > highest) {
+ highest = prio;
*slot0 = i;
*slot1 = i;
continue;
@@ -453,17 +671,17 @@
tipc_bcast_dec_bearer_dst_cnt(n->net, *bearer_id);
/* There is still a working link => initiate failover */
- tnl = node_active_link(n, 0);
+ *bearer_id = n->active_links[0];
+ tnl = n->links[*bearer_id].link;
tipc_link_fsm_evt(tnl, LINK_SYNCH_END_EVT);
tipc_node_fsm_evt(n, NODE_SYNCH_END_EVT);
- n->sync_point = tnl->rcv_nxt + (U16_MAX / 2 - 1);
+ n->sync_point = tipc_link_rcv_nxt(tnl) + (U16_MAX / 2 - 1);
tipc_link_tnl_prepare(l, tnl, FAILOVER_MSG, xmitq);
tipc_link_reset(l);
tipc_link_fsm_evt(l, LINK_RESET_EVT);
tipc_link_fsm_evt(l, LINK_FAILOVER_BEGIN_EVT);
tipc_node_fsm_evt(n, NODE_FAILOVER_BEGIN_EVT);
- *maddr = &n->links[tnl->bearer_id].maddr;
- *bearer_id = tnl->bearer_id;
+ *maddr = &n->links[*bearer_id].maddr;
}
static void tipc_node_link_down(struct tipc_node *n, int bearer_id, bool delete)
@@ -478,7 +696,7 @@
__skb_queue_head_init(&xmitq);
- tipc_node_lock(n);
+ tipc_node_write_lock(n);
if (!tipc_link_is_establishing(l)) {
__tipc_node_link_down(n, &bearer_id, &xmitq, &maddr);
if (delete) {
@@ -490,12 +708,12 @@
/* Defuse pending tipc_node_link_up() */
tipc_link_fsm_evt(l, LINK_RESET_EVT);
}
- tipc_node_unlock(n);
+ tipc_node_write_unlock(n);
tipc_bearer_xmit(n->net, bearer_id, &xmitq, maddr);
tipc_sk_rcv(n->net, &le->inputq);
}
-bool tipc_node_is_up(struct tipc_node *n)
+static bool tipc_node_is_up(struct tipc_node *n)
{
return n->active_links[0] != INVALID_BEARER_ID;
}
@@ -523,7 +741,7 @@
if (!n)
return;
- tipc_node_lock(n);
+ tipc_node_write_lock(n);
le = &n->links[b->identity];
@@ -626,7 +844,7 @@
}
memcpy(&le->maddr, maddr, sizeof(*maddr));
exit:
- tipc_node_unlock(n);
+ tipc_node_write_unlock(n);
if (reset && !tipc_link_is_reset(l))
tipc_node_link_down(n, b->identity, false);
tipc_node_put(n);
@@ -834,24 +1052,6 @@
pr_err("Illegal node fsm evt %x in state %x\n", evt, state);
}
-bool tipc_node_filter_pkt(struct tipc_node *n, struct tipc_msg *hdr)
-{
- int state = n->state;
-
- if (likely(state == SELF_UP_PEER_UP))
- return true;
-
- if (state == SELF_LEAVING_PEER_DOWN)
- return false;
-
- if (state == SELF_DOWN_PEER_LEAVING) {
- if (msg_peer_node_is_up(hdr))
- return false;
- }
-
- return true;
-}
-
static void node_lost_contact(struct tipc_node *n,
struct sk_buff_head *inputq)
{
@@ -913,56 +1113,18 @@
if (bearer_id >= MAX_BEARERS)
goto exit;
- tipc_node_lock(node);
+ tipc_node_read_lock(node);
link = node->links[bearer_id].link;
if (link) {
- strncpy(linkname, link->name, len);
+ strncpy(linkname, tipc_link_name(link), len);
err = 0;
}
exit:
- tipc_node_unlock(node);
+ tipc_node_read_unlock(node);
tipc_node_put(node);
return err;
}
-void tipc_node_unlock(struct tipc_node *node)
-{
- struct net *net = node->net;
- u32 addr = 0;
- u32 flags = node->action_flags;
- u32 link_id = 0;
- struct list_head *publ_list;
-
- if (likely(!flags)) {
- spin_unlock_bh(&node->lock);
- return;
- }
-
- addr = node->addr;
- link_id = node->link_id;
- publ_list = &node->publ_list;
-
- node->action_flags &= ~(TIPC_NOTIFY_NODE_DOWN | TIPC_NOTIFY_NODE_UP |
- TIPC_NOTIFY_LINK_DOWN | TIPC_NOTIFY_LINK_UP);
-
- spin_unlock_bh(&node->lock);
-
- if (flags & TIPC_NOTIFY_NODE_DOWN)
- tipc_publ_notify(net, publ_list, addr);
-
- if (flags & TIPC_NOTIFY_NODE_UP)
- tipc_named_node_up(net, addr);
-
- if (flags & TIPC_NOTIFY_LINK_UP)
- tipc_nametbl_publish(net, TIPC_LINK_STATE, addr, addr,
- TIPC_NODE_SCOPE, link_id, addr);
-
- if (flags & TIPC_NOTIFY_LINK_DOWN)
- tipc_nametbl_withdraw(net, TIPC_LINK_STATE, addr,
- link_id, addr);
-
-}
-
/* Caller should hold node lock for the passed node */
static int __tipc_nl_add_node(struct tipc_nl_msg *msg, struct tipc_node *node)
{
@@ -997,20 +1159,6 @@
return -EMSGSIZE;
}
-static struct tipc_link *tipc_node_select_link(struct tipc_node *n, int sel,
- int *bearer_id,
- struct tipc_media_addr **maddr)
-{
- int id = n->active_links[sel & 1];
-
- if (unlikely(id < 0))
- return NULL;
-
- *bearer_id = id;
- *maddr = &n->links[id].maddr;
- return n->links[id].link;
-}
-
/**
* tipc_node_xmit() is the general link level function for message sending
* @net: the applicable net namespace
@@ -1023,34 +1171,38 @@
int tipc_node_xmit(struct net *net, struct sk_buff_head *list,
u32 dnode, int selector)
{
- struct tipc_link *l = NULL;
+ struct tipc_link_entry *le = NULL;
struct tipc_node *n;
struct sk_buff_head xmitq;
- struct tipc_media_addr *maddr;
- int bearer_id;
+ int bearer_id = -1;
int rc = -EHOSTUNREACH;
__skb_queue_head_init(&xmitq);
n = tipc_node_find(net, dnode);
if (likely(n)) {
- tipc_node_lock(n);
- l = tipc_node_select_link(n, selector, &bearer_id, &maddr);
- if (likely(l))
- rc = tipc_link_xmit(l, list, &xmitq);
- tipc_node_unlock(n);
+ tipc_node_read_lock(n);
+ bearer_id = n->active_links[selector & 1];
+ if (bearer_id >= 0) {
+ le = &n->links[bearer_id];
+ spin_lock_bh(&le->lock);
+ rc = tipc_link_xmit(le->link, list, &xmitq);
+ spin_unlock_bh(&le->lock);
+ }
+ tipc_node_read_unlock(n);
+ if (likely(!skb_queue_empty(&xmitq))) {
+ tipc_bearer_xmit(net, bearer_id, &xmitq, &le->maddr);
+ return 0;
+ }
if (unlikely(rc == -ENOBUFS))
tipc_node_link_down(n, bearer_id, false);
tipc_node_put(n);
+ return rc;
}
- if (likely(!rc)) {
- tipc_bearer_xmit(net, bearer_id, &xmitq, maddr);
- return 0;
- }
- if (likely(in_own_node(net, dnode))) {
- tipc_sk_rcv(net, list);
- return 0;
- }
- return rc;
+
+ if (unlikely(!in_own_node(net, dnode)))
+ return rc;
+ tipc_sk_rcv(net, list);
+ return 0;
}
/* tipc_node_xmit_skb(): send single buffer to destination
@@ -1075,6 +1227,30 @@
return 0;
}
+void tipc_node_broadcast(struct net *net, struct sk_buff *skb)
+{
+ struct sk_buff *txskb;
+ struct tipc_node *n;
+ u32 dst;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(n, tipc_nodes(net), list) {
+ dst = n->addr;
+ if (in_own_node(net, dst))
+ continue;
+ if (!tipc_node_is_up(n))
+ continue;
+ txskb = pskb_copy(skb, GFP_ATOMIC);
+ if (!txskb)
+ break;
+ msg_set_destnode(buf_msg(txskb), dst);
+ tipc_node_xmit_skb(net, txskb, dst, 0);
+ }
+ rcu_read_unlock();
+
+ kfree_skb(skb);
+}
+
/**
* tipc_node_bc_rcv - process TIPC broadcast packet arriving from off-node
* @net: the applicable net namespace
@@ -1116,9 +1292,9 @@
/* Broadcast ACKs are sent on a unicast link */
if (rc & TIPC_LINK_SND_BC_ACK) {
- tipc_node_lock(n);
+ tipc_node_read_lock(n);
tipc_link_build_ack_msg(le->link, &xmitq);
- tipc_node_unlock(n);
+ tipc_node_read_unlock(n);
}
if (!skb_queue_empty(&xmitq))
@@ -1151,30 +1327,30 @@
u16 oseqno = msg_seqno(hdr);
u16 iseqno = msg_seqno(msg_get_wrapped(hdr));
u16 exp_pkts = msg_msgcnt(hdr);
- u16 rcv_nxt, syncpt, dlv_nxt;
+ u16 rcv_nxt, syncpt, dlv_nxt, inputq_len;
int state = n->state;
struct tipc_link *l, *tnl, *pl = NULL;
struct tipc_media_addr *maddr;
- int i, pb_id;
+ int pb_id;
l = n->links[bearer_id].link;
if (!l)
return false;
- rcv_nxt = l->rcv_nxt;
+ rcv_nxt = tipc_link_rcv_nxt(l);
if (likely((state == SELF_UP_PEER_UP) && (usr != TUNNEL_PROTOCOL)))
return true;
/* Find parallel link, if any */
- for (i = 0; i < MAX_BEARERS; i++) {
- if ((i != bearer_id) && n->links[i].link) {
- pl = n->links[i].link;
+ for (pb_id = 0; pb_id < MAX_BEARERS; pb_id++) {
+ if ((pb_id != bearer_id) && n->links[pb_id].link) {
+ pl = n->links[pb_id].link;
break;
}
}
- /* Update node accesibility if applicable */
+ /* Check and update node accesibility if applicable */
if (state == SELF_UP_PEER_COMING) {
if (!tipc_link_is_up(l))
return true;
@@ -1187,8 +1363,12 @@
if (msg_peer_node_is_up(hdr))
return false;
tipc_node_fsm_evt(n, PEER_LOST_CONTACT_EVT);
+ return true;
}
+ if (state == SELF_LEAVING_PEER_DOWN)
+ return false;
+
/* Ignore duplicate packets */
if ((usr != LINK_PROTOCOL) && less(oseqno, rcv_nxt))
return true;
@@ -1197,9 +1377,9 @@
if ((usr == TUNNEL_PROTOCOL) && (mtyp == FAILOVER_MSG)) {
syncpt = oseqno + exp_pkts - 1;
if (pl && tipc_link_is_up(pl)) {
- pb_id = pl->bearer_id;
__tipc_node_link_down(n, &pb_id, xmitq, &maddr);
- tipc_skb_queue_splice_tail_init(pl->inputq, l->inputq);
+ tipc_skb_queue_splice_tail_init(tipc_link_inputq(pl),
+ tipc_link_inputq(l));
}
/* If pkts arrive out of order, use lowest calculated syncpt */
if (less(syncpt, n->sync_point))
@@ -1232,19 +1412,18 @@
tipc_link_fsm_evt(l, LINK_SYNCH_BEGIN_EVT);
tipc_node_fsm_evt(n, NODE_SYNCH_BEGIN_EVT);
}
- if (less(syncpt, n->sync_point))
- n->sync_point = syncpt;
}
/* Open tunnel link when parallel link reaches synch point */
- if ((n->state == NODE_SYNCHING) && tipc_link_is_synching(l)) {
+ if (n->state == NODE_SYNCHING) {
if (tipc_link_is_synching(l)) {
tnl = l;
} else {
tnl = pl;
pl = l;
}
- dlv_nxt = pl->rcv_nxt - mod(skb_queue_len(pl->inputq));
+ inputq_len = skb_queue_len(tipc_link_inputq(pl));
+ dlv_nxt = tipc_link_rcv_nxt(pl) - inputq_len;
if (more(dlv_nxt, n->sync_point)) {
tipc_link_fsm_evt(tnl, LINK_SYNCH_END_EVT);
tipc_node_fsm_evt(n, NODE_SYNCH_END_EVT);
@@ -1304,22 +1483,32 @@
/* Ensure broadcast reception is in synch with peer's send state */
if (unlikely(usr == LINK_PROTOCOL))
tipc_bcast_sync_rcv(net, n->bc_entry.link, hdr);
- else if (unlikely(n->bc_entry.link->acked != bc_ack))
+ else if (unlikely(tipc_link_acked(n->bc_entry.link) != bc_ack))
tipc_bcast_ack_rcv(net, n->bc_entry.link, bc_ack);
- tipc_node_lock(n);
-
- /* Is reception permitted at the moment ? */
- if (!tipc_node_filter_pkt(n, hdr))
- goto unlock;
-
- /* Check and if necessary update node state */
- if (likely(tipc_node_check_state(n, skb, bearer_id, &xmitq))) {
- rc = tipc_link_rcv(le->link, skb, &xmitq);
- skb = NULL;
+ /* Receive packet directly if conditions permit */
+ tipc_node_read_lock(n);
+ if (likely((n->state == SELF_UP_PEER_UP) && (usr != TUNNEL_PROTOCOL))) {
+ spin_lock_bh(&le->lock);
+ if (le->link) {
+ rc = tipc_link_rcv(le->link, skb, &xmitq);
+ skb = NULL;
+ }
+ spin_unlock_bh(&le->lock);
}
-unlock:
- tipc_node_unlock(n);
+ tipc_node_read_unlock(n);
+
+ /* Check/update node state before receiving */
+ if (unlikely(skb)) {
+ tipc_node_write_lock(n);
+ if (tipc_node_check_state(n, skb, bearer_id, &xmitq)) {
+ if (le->link) {
+ rc = tipc_link_rcv(le->link, skb, &xmitq);
+ skb = NULL;
+ }
+ }
+ tipc_node_write_unlock(n);
+ }
if (unlikely(rc & TIPC_LINK_UP_EVT))
tipc_node_link_up(n, bearer_id, &xmitq);
@@ -1384,15 +1573,15 @@
continue;
}
- tipc_node_lock(node);
+ tipc_node_read_lock(node);
err = __tipc_nl_add_node(&msg, node);
if (err) {
last_addr = node->addr;
- tipc_node_unlock(node);
+ tipc_node_read_unlock(node);
goto out;
}
- tipc_node_unlock(node);
+ tipc_node_read_unlock(node);
}
done = 1;
out:
@@ -1402,3 +1591,314 @@
return skb->len;
}
+
+/* tipc_node_find_by_name - locate owner node of link by link's name
+ * @net: the applicable net namespace
+ * @name: pointer to link name string
+ * @bearer_id: pointer to index in 'node->links' array where the link was found.
+ *
+ * Returns pointer to node owning the link, or 0 if no matching link is found.
+ */
+static struct tipc_node *tipc_node_find_by_name(struct net *net,
+ const char *link_name,
+ unsigned int *bearer_id)
+{
+ struct tipc_net *tn = net_generic(net, tipc_net_id);
+ struct tipc_link *l;
+ struct tipc_node *n;
+ struct tipc_node *found_node = NULL;
+ int i;
+
+ *bearer_id = 0;
+ rcu_read_lock();
+ list_for_each_entry_rcu(n, &tn->node_list, list) {
+ tipc_node_read_lock(n);
+ for (i = 0; i < MAX_BEARERS; i++) {
+ l = n->links[i].link;
+ if (l && !strcmp(tipc_link_name(l), link_name)) {
+ *bearer_id = i;
+ found_node = n;
+ break;
+ }
+ }
+ tipc_node_read_unlock(n);
+ if (found_node)
+ break;
+ }
+ rcu_read_unlock();
+
+ return found_node;
+}
+
+int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info)
+{
+ int err;
+ int res = 0;
+ int bearer_id;
+ char *name;
+ struct tipc_link *link;
+ struct tipc_node *node;
+ struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1];
+ struct net *net = sock_net(skb->sk);
+
+ if (!info->attrs[TIPC_NLA_LINK])
+ return -EINVAL;
+
+ err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX,
+ info->attrs[TIPC_NLA_LINK],
+ tipc_nl_link_policy);
+ if (err)
+ return err;
+
+ if (!attrs[TIPC_NLA_LINK_NAME])
+ return -EINVAL;
+
+ name = nla_data(attrs[TIPC_NLA_LINK_NAME]);
+
+ if (strcmp(name, tipc_bclink_name) == 0)
+ return tipc_nl_bc_link_set(net, attrs);
+
+ node = tipc_node_find_by_name(net, name, &bearer_id);
+ if (!node)
+ return -EINVAL;
+
+ tipc_node_read_lock(node);
+
+ link = node->links[bearer_id].link;
+ if (!link) {
+ res = -EINVAL;
+ goto out;
+ }
+
+ if (attrs[TIPC_NLA_LINK_PROP]) {
+ struct nlattr *props[TIPC_NLA_PROP_MAX + 1];
+
+ err = tipc_nl_parse_link_prop(attrs[TIPC_NLA_LINK_PROP],
+ props);
+ if (err) {
+ res = err;
+ goto out;
+ }
+
+ if (props[TIPC_NLA_PROP_TOL]) {
+ u32 tol;
+
+ tol = nla_get_u32(props[TIPC_NLA_PROP_TOL]);
+ tipc_link_set_tolerance(link, tol);
+ }
+ if (props[TIPC_NLA_PROP_PRIO]) {
+ u32 prio;
+
+ prio = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
+ tipc_link_set_prio(link, prio);
+ }
+ if (props[TIPC_NLA_PROP_WIN]) {
+ u32 win;
+
+ win = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
+ tipc_link_set_queue_limits(link, win);
+ }
+ }
+
+out:
+ tipc_node_read_unlock(node);
+
+ return res;
+}
+
+int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info)
+{
+ struct net *net = genl_info_net(info);
+ struct tipc_nl_msg msg;
+ char *name;
+ int err;
+
+ msg.portid = info->snd_portid;
+ msg.seq = info->snd_seq;
+
+ if (!info->attrs[TIPC_NLA_LINK_NAME])
+ return -EINVAL;
+ name = nla_data(info->attrs[TIPC_NLA_LINK_NAME]);
+
+ msg.skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg.skb)
+ return -ENOMEM;
+
+ if (strcmp(name, tipc_bclink_name) == 0) {
+ err = tipc_nl_add_bc_link(net, &msg);
+ if (err) {
+ nlmsg_free(msg.skb);
+ return err;
+ }
+ } else {
+ int bearer_id;
+ struct tipc_node *node;
+ struct tipc_link *link;
+
+ node = tipc_node_find_by_name(net, name, &bearer_id);
+ if (!node)
+ return -EINVAL;
+
+ tipc_node_read_lock(node);
+ link = node->links[bearer_id].link;
+ if (!link) {
+ tipc_node_read_unlock(node);
+ nlmsg_free(msg.skb);
+ return -EINVAL;
+ }
+
+ err = __tipc_nl_add_link(net, &msg, link, 0);
+ tipc_node_read_unlock(node);
+ if (err) {
+ nlmsg_free(msg.skb);
+ return err;
+ }
+ }
+
+ return genlmsg_reply(msg.skb, info);
+}
+
+int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info)
+{
+ int err;
+ char *link_name;
+ unsigned int bearer_id;
+ struct tipc_link *link;
+ struct tipc_node *node;
+ struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1];
+ struct net *net = sock_net(skb->sk);
+ struct tipc_link_entry *le;
+
+ if (!info->attrs[TIPC_NLA_LINK])
+ return -EINVAL;
+
+ err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX,
+ info->attrs[TIPC_NLA_LINK],
+ tipc_nl_link_policy);
+ if (err)
+ return err;
+
+ if (!attrs[TIPC_NLA_LINK_NAME])
+ return -EINVAL;
+
+ link_name = nla_data(attrs[TIPC_NLA_LINK_NAME]);
+
+ if (strcmp(link_name, tipc_bclink_name) == 0) {
+ err = tipc_bclink_reset_stats(net);
+ if (err)
+ return err;
+ return 0;
+ }
+
+ node = tipc_node_find_by_name(net, link_name, &bearer_id);
+ if (!node)
+ return -EINVAL;
+
+ le = &node->links[bearer_id];
+ tipc_node_read_lock(node);
+ spin_lock_bh(&le->lock);
+ link = node->links[bearer_id].link;
+ if (!link) {
+ spin_unlock_bh(&le->lock);
+ tipc_node_read_unlock(node);
+ return -EINVAL;
+ }
+ tipc_link_reset_stats(link);
+ spin_unlock_bh(&le->lock);
+ tipc_node_read_unlock(node);
+ return 0;
+}
+
+/* Caller should hold node lock */
+static int __tipc_nl_add_node_links(struct net *net, struct tipc_nl_msg *msg,
+ struct tipc_node *node, u32 *prev_link)
+{
+ u32 i;
+ int err;
+
+ for (i = *prev_link; i < MAX_BEARERS; i++) {
+ *prev_link = i;
+
+ if (!node->links[i].link)
+ continue;
+
+ err = __tipc_nl_add_link(net, msg,
+ node->links[i].link, NLM_F_MULTI);
+ if (err)
+ return err;
+ }
+ *prev_link = 0;
+
+ return 0;
+}
+
+int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb)
+{
+ struct net *net = sock_net(skb->sk);
+ struct tipc_net *tn = net_generic(net, tipc_net_id);
+ struct tipc_node *node;
+ struct tipc_nl_msg msg;
+ u32 prev_node = cb->args[0];
+ u32 prev_link = cb->args[1];
+ int done = cb->args[2];
+ int err;
+
+ if (done)
+ return 0;
+
+ msg.skb = skb;
+ msg.portid = NETLINK_CB(cb->skb).portid;
+ msg.seq = cb->nlh->nlmsg_seq;
+
+ rcu_read_lock();
+ if (prev_node) {
+ node = tipc_node_find(net, prev_node);
+ if (!node) {
+ /* We never set seq or call nl_dump_check_consistent()
+ * this means that setting prev_seq here will cause the
+ * consistence check to fail in the netlink callback
+ * handler. Resulting in the last NLMSG_DONE message
+ * having the NLM_F_DUMP_INTR flag set.
+ */
+ cb->prev_seq = 1;
+ goto out;
+ }
+ tipc_node_put(node);
+
+ list_for_each_entry_continue_rcu(node, &tn->node_list,
+ list) {
+ tipc_node_read_lock(node);
+ err = __tipc_nl_add_node_links(net, &msg, node,
+ &prev_link);
+ tipc_node_read_unlock(node);
+ if (err)
+ goto out;
+
+ prev_node = node->addr;
+ }
+ } else {
+ err = tipc_nl_add_bc_link(net, &msg);
+ if (err)
+ goto out;
+
+ list_for_each_entry_rcu(node, &tn->node_list, list) {
+ tipc_node_read_lock(node);
+ err = __tipc_nl_add_node_links(net, &msg, node,
+ &prev_link);
+ tipc_node_read_unlock(node);
+ if (err)
+ goto out;
+
+ prev_node = node->addr;
+ }
+ }
+ done = 1;
+out:
+ rcu_read_unlock();
+
+ cb->args[0] = prev_node;
+ cb->args[1] = prev_link;
+ cb->args[2] = done;
+
+ return skb->len;
+}
diff --git a/net/tipc/node.h b/net/tipc/node.h
index 6734562..f39d9d0 100644
--- a/net/tipc/node.h
+++ b/net/tipc/node.h
@@ -42,23 +42,6 @@
#include "bearer.h"
#include "msg.h"
-/* Out-of-range value for node signature */
-#define INVALID_NODE_SIG 0x10000
-
-#define INVALID_BEARER_ID -1
-
-/* Flags used to take different actions according to flag type
- * TIPC_NOTIFY_NODE_DOWN: notify node is down
- * TIPC_NOTIFY_NODE_UP: notify node is up
- * TIPC_DISTRIBUTE_NAME: publish or withdraw link state name type
- */
-enum {
- TIPC_NOTIFY_NODE_DOWN = (1 << 3),
- TIPC_NOTIFY_NODE_UP = (1 << 4),
- TIPC_NOTIFY_LINK_UP = (1 << 6),
- TIPC_NOTIFY_LINK_DOWN = (1 << 7)
-};
-
/* Optional capabilities supported by this code version
*/
enum {
@@ -66,72 +49,8 @@
};
#define TIPC_NODE_CAPABILITIES TIPC_BCAST_SYNCH
+#define INVALID_BEARER_ID -1
-struct tipc_link_entry {
- struct tipc_link *link;
- u32 mtu;
- struct sk_buff_head inputq;
- struct tipc_media_addr maddr;
-};
-
-struct tipc_bclink_entry {
- struct tipc_link *link;
- struct sk_buff_head inputq1;
- struct sk_buff_head arrvq;
- struct sk_buff_head inputq2;
- struct sk_buff_head namedq;
-};
-
-/**
- * struct tipc_node - TIPC node structure
- * @addr: network address of node
- * @ref: reference counter to node object
- * @lock: spinlock governing access to structure
- * @net: the applicable net namespace
- * @hash: links to adjacent nodes in unsorted hash chain
- * @inputq: pointer to input queue containing messages for msg event
- * @namedq: pointer to name table input queue with name table messages
- * @active_links: bearer ids of active links, used as index into links[] array
- * @links: array containing references to all links to node
- * @action_flags: bit mask of different types of node actions
- * @state: connectivity state vs peer node
- * @sync_point: sequence number where synch/failover is finished
- * @list: links to adjacent nodes in sorted list of cluster's nodes
- * @working_links: number of working links to node (both active and standby)
- * @link_cnt: number of links to node
- * @capabilities: bitmap, indicating peer node's functional capabilities
- * @signature: node instance identifier
- * @link_id: local and remote bearer ids of changing link, if any
- * @publ_list: list of publications
- * @rcu: rcu struct for tipc_node
- */
-struct tipc_node {
- u32 addr;
- struct kref kref;
- spinlock_t lock;
- struct net *net;
- struct hlist_node hash;
- int active_links[2];
- struct tipc_link_entry links[MAX_BEARERS];
- struct tipc_bclink_entry bc_entry;
- int action_flags;
- struct list_head list;
- int state;
- u16 sync_point;
- int link_cnt;
- u16 working_links;
- u16 capabilities;
- u32 signature;
- u32 link_id;
- struct list_head publ_list;
- struct list_head conn_sks;
- unsigned long keepalive_intv;
- struct timer_list timer;
- struct rcu_head rcu;
-};
-
-struct tipc_node *tipc_node_find(struct net *net, u32 addr);
-void tipc_node_put(struct tipc_node *node);
void tipc_node_stop(struct net *net);
void tipc_node_check_dest(struct net *net, u32 onode,
struct tipc_bearer *bearer,
@@ -139,50 +58,22 @@
struct tipc_media_addr *maddr,
bool *respond, bool *dupl_addr);
void tipc_node_delete_links(struct net *net, int bearer_id);
-void tipc_node_attach_link(struct tipc_node *n_ptr, struct tipc_link *l_ptr);
-void tipc_node_detach_link(struct tipc_node *n_ptr, struct tipc_link *l_ptr);
-bool tipc_node_is_up(struct tipc_node *n);
int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node,
char *linkname, size_t len);
-void tipc_node_unlock(struct tipc_node *node);
int tipc_node_xmit(struct net *net, struct sk_buff_head *list, u32 dnode,
int selector);
int tipc_node_xmit_skb(struct net *net, struct sk_buff *skb, u32 dest,
u32 selector);
+void tipc_node_subscribe(struct net *net, struct list_head *subscr, u32 addr);
+void tipc_node_unsubscribe(struct net *net, struct list_head *subscr, u32 addr);
+void tipc_node_broadcast(struct net *net, struct sk_buff *skb);
int tipc_node_add_conn(struct net *net, u32 dnode, u32 port, u32 peer_port);
void tipc_node_remove_conn(struct net *net, u32 dnode, u32 port);
+int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel);
int tipc_nl_node_dump(struct sk_buff *skb, struct netlink_callback *cb);
-
-static inline void tipc_node_lock(struct tipc_node *node)
-{
- spin_lock_bh(&node->lock);
-}
-
-static inline struct tipc_link *node_active_link(struct tipc_node *n, int sel)
-{
- int bearer_id = n->active_links[sel & 1];
-
- if (unlikely(bearer_id == INVALID_BEARER_ID))
- return NULL;
-
- return n->links[bearer_id].link;
-}
-
-static inline unsigned int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel)
-{
- struct tipc_node *n;
- int bearer_id;
- unsigned int mtu = MAX_MSG_SIZE;
-
- n = tipc_node_find(net, addr);
- if (unlikely(!n))
- return mtu;
-
- bearer_id = n->active_links[sel & 1];
- if (likely(bearer_id != INVALID_BEARER_ID))
- mtu = n->links[bearer_id].mtu;
- tipc_node_put(n);
- return mtu;
-}
+int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb);
+int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info);
+int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info);
+int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info);
#endif
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 70c0327..6af78c6 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -48,7 +48,6 @@
#include <linux/tipc_netlink.h>
#include "core.h"
#include "bearer.h"
-#include "msg.h"
/* IANA assigned UDP port */
#define UDP_PORT_DEFAULT 6118
@@ -224,10 +223,6 @@
{
struct udp_bearer *ub;
struct tipc_bearer *b;
- int usr = msg_user(buf_msg(skb));
-
- if ((usr == LINK_PROTOCOL) || (usr == NAME_DISTRIBUTOR))
- skb_linearize(skb);
ub = rcu_dereference_sk_user_data(sk);
if (!ub) {
diff --git a/net/vmw_vsock/vmci_transport.h b/net/vmw_vsock/vmci_transport.h
index 2ad46f3..1820e74 100644
--- a/net/vmw_vsock/vmci_transport.h
+++ b/net/vmw_vsock/vmci_transport.h
@@ -121,7 +121,7 @@
u64 queue_pair_max_size;
u32 detach_sub_id;
union vmci_transport_notify notify;
- struct vmci_transport_notify_ops *notify_ops;
+ const struct vmci_transport_notify_ops *notify_ops;
struct list_head elem;
struct sock *sk;
spinlock_t lock; /* protects sk. */
diff --git a/net/vmw_vsock/vmci_transport_notify.c b/net/vmw_vsock/vmci_transport_notify.c
index 9b7f207..fd8cf02 100644
--- a/net/vmw_vsock/vmci_transport_notify.c
+++ b/net/vmw_vsock/vmci_transport_notify.c
@@ -661,7 +661,7 @@
}
/* Socket control packet based operations. */
-struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops = {
+const struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops = {
vmci_transport_notify_pkt_socket_init,
vmci_transport_notify_pkt_socket_destruct,
vmci_transport_notify_pkt_poll_in,
diff --git a/net/vmw_vsock/vmci_transport_notify.h b/net/vmw_vsock/vmci_transport_notify.h
index 7df7932..3c464d3 100644
--- a/net/vmw_vsock/vmci_transport_notify.h
+++ b/net/vmw_vsock/vmci_transport_notify.h
@@ -77,7 +77,8 @@
void (*process_negotiate) (struct sock *sk);
};
-extern struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops;
-extern struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops;
+extern const struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops;
+extern const
+struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops;
#endif /* __VMCI_TRANSPORT_NOTIFY_H__ */
diff --git a/net/vmw_vsock/vmci_transport_notify_qstate.c b/net/vmw_vsock/vmci_transport_notify_qstate.c
index dc9c792..21e591d 100644
--- a/net/vmw_vsock/vmci_transport_notify_qstate.c
+++ b/net/vmw_vsock/vmci_transport_notify_qstate.c
@@ -419,7 +419,7 @@
}
/* Socket always on control packet based operations. */
-struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops = {
+const struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops = {
vmci_transport_notify_pkt_socket_init,
vmci_transport_notify_pkt_socket_destruct,
vmci_transport_notify_pkt_poll_in,
diff --git a/net/wireless/core.h b/net/wireless/core.h
index a618b4b..022ccad 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -416,13 +416,6 @@
void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
void cfg80211_process_wdev_events(struct wireless_dev *wdev);
-int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev,
- enum nl80211_iftype iftype,
- struct ieee80211_channel *chan,
- enum cfg80211_chan_mode chanmode,
- u8 radar_detect);
-
/**
* cfg80211_chandef_dfs_usable - checks if chandef is DFS usable
* @wiphy: the wiphy to validate against
diff --git a/net/wireless/lib80211_crypt_ccmp.c b/net/wireless/lib80211_crypt_ccmp.c
index dc0e59e..6beab0c 100644
--- a/net/wireless/lib80211_crypt_ccmp.c
+++ b/net/wireless/lib80211_crypt_ccmp.c
@@ -311,8 +311,8 @@
}
keyidx >>= 6;
if (key->key_idx != keyidx) {
- printk(KERN_DEBUG "CCMP: RX tkey->key_idx=%d frame "
- "keyidx=%d priv=%p\n", key->key_idx, keyidx, priv);
+ net_dbg_ratelimited("CCMP: RX tkey->key_idx=%d frame keyidx=%d\n",
+ key->key_idx, keyidx);
return -6;
}
if (!key->key_set) {
diff --git a/net/wireless/lib80211_crypt_tkip.c b/net/wireless/lib80211_crypt_tkip.c
index 8c90ba7..3cd8195 100644
--- a/net/wireless/lib80211_crypt_tkip.c
+++ b/net/wireless/lib80211_crypt_tkip.c
@@ -434,8 +434,8 @@
}
keyidx >>= 6;
if (tkey->key_idx != keyidx) {
- printk(KERN_DEBUG "TKIP: RX tkey->key_idx=%d frame "
- "keyidx=%d priv=%p\n", tkey->key_idx, keyidx, priv);
+ net_dbg_ratelimited("TKIP: RX tkey->key_idx=%d frame keyidx=%d\n",
+ tkey->key_idx, keyidx);
return -6;
}
if (!tkey->key_set) {
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c71e274..72de698 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4256,8 +4256,8 @@
* station. Include these parameters here and will check them in
* cfg80211_check_station_change().
*/
- if (info->attrs[NL80211_ATTR_PEER_AID])
- params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
+ if (info->attrs[NL80211_ATTR_STA_AID])
+ params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
params.listen_interval =
@@ -4359,6 +4359,8 @@
struct net_device *dev = info->user_ptr[1];
struct station_parameters params;
u8 *mac_addr = NULL;
+ u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
+ BIT(NL80211_STA_FLAG_ASSOCIATED);
memset(¶ms, 0, sizeof(params));
@@ -4470,11 +4472,24 @@
/* allow authenticated/associated only if driver handles it */
if (!(rdev->wiphy.features &
NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
- params.sta_flags_mask &
- (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
- BIT(NL80211_STA_FLAG_ASSOCIATED)))
+ params.sta_flags_mask & auth_assoc)
return -EINVAL;
+ /* Older userspace, or userspace wanting to be compatible with
+ * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
+ * and assoc flags in the mask, but assumes the station will be
+ * added as associated anyway since this was the required driver
+ * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
+ * introduced.
+ * In order to not bother drivers with this quirk in the API
+ * set the flags in both the mask and set for new stations in
+ * this case.
+ */
+ if (!(params.sta_flags_mask & auth_assoc)) {
+ params.sta_flags_mask |= auth_assoc;
+ params.sta_flags_set |= auth_assoc;
+ }
+
/* must be last in here for error handling */
params.vlan = get_vlan(info, rdev);
if (IS_ERR(params.vlan))
@@ -5997,6 +6012,24 @@
return err;
}
+static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct wireless_dev *wdev = info->user_ptr[1];
+
+ if (!rdev->ops->abort_scan)
+ return -EOPNOTSUPP;
+
+ if (rdev->scan_msg)
+ return 0;
+
+ if (!rdev->scan_req)
+ return -ENOENT;
+
+ rdev_abort_scan(rdev, wdev);
+ return 0;
+}
+
static int
nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
struct cfg80211_sched_scan_request *request,
@@ -6507,8 +6540,7 @@
if (WARN_ON(!cac_time_ms))
cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
- err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef,
- cac_time_ms);
+ err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
if (!err) {
wdev->chandef = chandef;
wdev->cac_started = true;
@@ -7571,7 +7603,7 @@
if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
return -EINVAL;
- err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
+ err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
return err;
}
@@ -9716,7 +9748,7 @@
if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
cfg80211_rdev_free_coalesce(rdev);
- rdev->ops->set_coalesce(&rdev->wiphy, NULL);
+ rdev_set_coalesce(rdev, NULL);
return 0;
}
@@ -9744,7 +9776,7 @@
i++;
}
- err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce);
+ err = rdev_set_coalesce(rdev, &new_coalesce);
if (err)
goto error;
@@ -10946,6 +10978,14 @@
NL80211_FLAG_NEED_RTNL,
},
{
+ .cmd = NL80211_CMD_ABORT_SCAN,
+ .doit = nl80211_abort_scan,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
.cmd = NL80211_CMD_GET_SCAN,
.policy = nl80211_policy,
.dumpit = nl80211_dump_scan,
diff --git a/net/wireless/ocb.c b/net/wireless/ocb.c
index c00d4a7..e64dbf1 100644
--- a/net/wireless/ocb.c
+++ b/net/wireless/ocb.c
@@ -29,6 +29,9 @@
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
return -EOPNOTSUPP;
+ if (!rdev->ops->join_ocb)
+ return -EOPNOTSUPP;
+
if (WARN_ON(!setup->chandef.chan))
return -EINVAL;
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index c23516d..8ae0c04 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -427,6 +427,14 @@
return ret;
}
+static inline void rdev_abort_scan(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev)
+{
+ trace_rdev_abort_scan(&rdev->wiphy, wdev);
+ rdev->ops->abort_scan(&rdev->wiphy, wdev);
+ trace_rdev_return_void(&rdev->wiphy);
+}
+
static inline int rdev_auth(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_auth_request *req)
@@ -1020,4 +1028,47 @@
trace_rdev_return_void(&rdev->wiphy);
}
+static inline int
+rdev_start_radar_detection(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_chan_def *chandef,
+ u32 cac_time_ms)
+{
+ int ret = -ENOTSUPP;
+
+ trace_rdev_start_radar_detection(&rdev->wiphy, dev, chandef,
+ cac_time_ms);
+ if (rdev->ops->start_radar_detection)
+ ret = rdev->ops->start_radar_detection(&rdev->wiphy, dev,
+ chandef, cac_time_ms);
+ trace_rdev_return_int(&rdev->wiphy, ret);
+ return ret;
+}
+
+static inline int
+rdev_set_mcast_rate(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ int mcast_rate[IEEE80211_NUM_BANDS])
+{
+ int ret = -ENOTSUPP;
+
+ trace_rdev_set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
+ if (rdev->ops->set_mcast_rate)
+ ret = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
+ trace_rdev_return_int(&rdev->wiphy, ret);
+ return ret;
+}
+
+static inline int
+rdev_set_coalesce(struct cfg80211_registered_device *rdev,
+ struct cfg80211_coalesce *coalesce)
+{
+ int ret = -ENOTSUPP;
+
+ trace_rdev_set_coalesce(&rdev->wiphy, coalesce);
+ if (rdev->ops->set_coalesce)
+ ret = rdev->ops->set_coalesce(&rdev->wiphy, coalesce);
+ trace_rdev_return_int(&rdev->wiphy, ret);
+ return ret;
+}
#endif /* __CFG80211_RDEV_OPS */
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 2e8d6f3..0a4f548 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1052,7 +1052,7 @@
}
static const struct ieee80211_reg_rule *
-freq_reg_info_regd(struct wiphy *wiphy, u32 center_freq,
+freq_reg_info_regd(u32 center_freq,
const struct ieee80211_regdomain *regd, u32 bw)
{
int i;
@@ -1097,7 +1097,7 @@
u32 bw;
for (bw = MHZ_TO_KHZ(20); bw >= min_bw; bw = bw / 2) {
- reg_rule = freq_reg_info_regd(wiphy, center_freq, regd, bw);
+ reg_rule = freq_reg_info_regd(center_freq, regd, bw);
if (!IS_ERR(reg_rule))
return reg_rule;
}
@@ -1166,6 +1166,41 @@
#endif
}
+static uint32_t reg_rule_to_chan_bw_flags(const struct ieee80211_regdomain *regd,
+ const struct ieee80211_reg_rule *reg_rule,
+ const struct ieee80211_channel *chan)
+{
+ const struct ieee80211_freq_range *freq_range = NULL;
+ u32 max_bandwidth_khz, bw_flags = 0;
+
+ freq_range = ®_rule->freq_range;
+
+ max_bandwidth_khz = freq_range->max_bandwidth_khz;
+ /* Check if auto calculation requested */
+ if (reg_rule->flags & NL80211_RRF_AUTO_BW)
+ max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule);
+
+ /* If we get a reg_rule we can assume that at least 5Mhz fit */
+ if (!reg_does_bw_fit(freq_range, MHZ_TO_KHZ(chan->center_freq),
+ MHZ_TO_KHZ(10)))
+ bw_flags |= IEEE80211_CHAN_NO_10MHZ;
+ if (!reg_does_bw_fit(freq_range, MHZ_TO_KHZ(chan->center_freq),
+ MHZ_TO_KHZ(20)))
+ bw_flags |= IEEE80211_CHAN_NO_20MHZ;
+
+ if (max_bandwidth_khz < MHZ_TO_KHZ(10))
+ bw_flags |= IEEE80211_CHAN_NO_10MHZ;
+ if (max_bandwidth_khz < MHZ_TO_KHZ(20))
+ bw_flags |= IEEE80211_CHAN_NO_20MHZ;
+ if (max_bandwidth_khz < MHZ_TO_KHZ(40))
+ bw_flags |= IEEE80211_CHAN_NO_HT40;
+ if (max_bandwidth_khz < MHZ_TO_KHZ(80))
+ bw_flags |= IEEE80211_CHAN_NO_80MHZ;
+ if (max_bandwidth_khz < MHZ_TO_KHZ(160))
+ bw_flags |= IEEE80211_CHAN_NO_160MHZ;
+ return bw_flags;
+}
+
/*
* Note that right now we assume the desired channel bandwidth
* is always 20 MHz for each individual channel (HT40 uses 20 MHz
@@ -1178,11 +1213,9 @@
u32 flags, bw_flags = 0;
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
- const struct ieee80211_freq_range *freq_range = NULL;
struct wiphy *request_wiphy = NULL;
struct regulatory_request *lr = get_last_request();
const struct ieee80211_regdomain *regd;
- u32 max_bandwidth_khz;
request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
@@ -1223,31 +1256,7 @@
chan_reg_rule_print_dbg(regd, chan, reg_rule);
power_rule = ®_rule->power_rule;
- freq_range = ®_rule->freq_range;
-
- max_bandwidth_khz = freq_range->max_bandwidth_khz;
- /* Check if auto calculation requested */
- if (reg_rule->flags & NL80211_RRF_AUTO_BW)
- max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule);
-
- /* If we get a reg_rule we can assume that at least 5Mhz fit */
- if (!reg_does_bw_fit(freq_range, MHZ_TO_KHZ(chan->center_freq),
- MHZ_TO_KHZ(10)))
- bw_flags |= IEEE80211_CHAN_NO_10MHZ;
- if (!reg_does_bw_fit(freq_range, MHZ_TO_KHZ(chan->center_freq),
- MHZ_TO_KHZ(20)))
- bw_flags |= IEEE80211_CHAN_NO_20MHZ;
-
- if (max_bandwidth_khz < MHZ_TO_KHZ(10))
- bw_flags |= IEEE80211_CHAN_NO_10MHZ;
- if (max_bandwidth_khz < MHZ_TO_KHZ(20))
- bw_flags |= IEEE80211_CHAN_NO_20MHZ;
- if (max_bandwidth_khz < MHZ_TO_KHZ(40))
- bw_flags |= IEEE80211_CHAN_NO_HT40;
- if (max_bandwidth_khz < MHZ_TO_KHZ(80))
- bw_flags |= IEEE80211_CHAN_NO_80MHZ;
- if (max_bandwidth_khz < MHZ_TO_KHZ(160))
- bw_flags |= IEEE80211_CHAN_NO_160MHZ;
+ bw_flags = reg_rule_to_chan_bw_flags(regd, reg_rule, chan);
if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
request_wiphy && request_wiphy == wiphy &&
@@ -1760,13 +1769,10 @@
u32 bw_flags = 0;
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
- const struct ieee80211_freq_range *freq_range = NULL;
- u32 max_bandwidth_khz;
u32 bw;
for (bw = MHZ_TO_KHZ(20); bw >= MHZ_TO_KHZ(5); bw = bw / 2) {
- reg_rule = freq_reg_info_regd(wiphy,
- MHZ_TO_KHZ(chan->center_freq),
+ reg_rule = freq_reg_info_regd(MHZ_TO_KHZ(chan->center_freq),
regd, bw);
if (!IS_ERR(reg_rule))
break;
@@ -1787,31 +1793,7 @@
chan_reg_rule_print_dbg(regd, chan, reg_rule);
power_rule = ®_rule->power_rule;
- freq_range = ®_rule->freq_range;
-
- max_bandwidth_khz = freq_range->max_bandwidth_khz;
- /* Check if auto calculation requested */
- if (reg_rule->flags & NL80211_RRF_AUTO_BW)
- max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule);
-
- /* If we get a reg_rule we can assume that at least 5Mhz fit */
- if (!reg_does_bw_fit(freq_range, MHZ_TO_KHZ(chan->center_freq),
- MHZ_TO_KHZ(10)))
- bw_flags |= IEEE80211_CHAN_NO_10MHZ;
- if (!reg_does_bw_fit(freq_range, MHZ_TO_KHZ(chan->center_freq),
- MHZ_TO_KHZ(20)))
- bw_flags |= IEEE80211_CHAN_NO_20MHZ;
-
- if (max_bandwidth_khz < MHZ_TO_KHZ(10))
- bw_flags |= IEEE80211_CHAN_NO_10MHZ;
- if (max_bandwidth_khz < MHZ_TO_KHZ(20))
- bw_flags |= IEEE80211_CHAN_NO_20MHZ;
- if (max_bandwidth_khz < MHZ_TO_KHZ(40))
- bw_flags |= IEEE80211_CHAN_NO_HT40;
- if (max_bandwidth_khz < MHZ_TO_KHZ(80))
- bw_flags |= IEEE80211_CHAN_NO_80MHZ;
- if (max_bandwidth_khz < MHZ_TO_KHZ(160))
- bw_flags |= IEEE80211_CHAN_NO_160MHZ;
+ bw_flags = reg_rule_to_chan_bw_flags(regd, reg_rule, chan);
chan->dfs_state_entered = jiffies;
chan->dfs_state = NL80211_DFS_USABLE;
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 0c392d3..09b242b 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -623,12 +623,24 @@
__field(u32, sta_flags_set)
__field(u32, sta_modify_mask)
__field(int, listen_interval)
+ __field(u16, capability)
__field(u16, aid)
__field(u8, plink_action)
__field(u8, plink_state)
__field(u8, uapsd_queues)
+ __field(u8, max_sp)
+ __field(u8, opmode_notif)
+ __field(bool, opmode_notif_used)
__array(u8, ht_capa, (int)sizeof(struct ieee80211_ht_cap))
+ __array(u8, vht_capa, (int)sizeof(struct ieee80211_vht_cap))
__array(char, vlan, IFNAMSIZ)
+ __dynamic_array(u8, supported_rates,
+ params->supported_rates_len)
+ __dynamic_array(u8, ext_capab, params->ext_capab_len)
+ __dynamic_array(u8, supported_channels,
+ params->supported_channels_len)
+ __dynamic_array(u8, supported_oper_classes,
+ params->supported_oper_classes_len)
),
TP_fast_assign(
WIPHY_ASSIGN;
@@ -646,9 +658,35 @@
if (params->ht_capa)
memcpy(__entry->ht_capa, params->ht_capa,
sizeof(struct ieee80211_ht_cap));
+ memset(__entry->vht_capa, 0, sizeof(struct ieee80211_vht_cap));
+ if (params->vht_capa)
+ memcpy(__entry->vht_capa, params->vht_capa,
+ sizeof(struct ieee80211_vht_cap));
memset(__entry->vlan, 0, sizeof(__entry->vlan));
if (params->vlan)
memcpy(__entry->vlan, params->vlan->name, IFNAMSIZ);
+ if (params->supported_rates && params->supported_rates_len)
+ memcpy(__get_dynamic_array(supported_rates),
+ params->supported_rates,
+ params->supported_rates_len);
+ if (params->ext_capab && params->ext_capab_len)
+ memcpy(__get_dynamic_array(ext_capab),
+ params->ext_capab,
+ params->ext_capab_len);
+ if (params->supported_channels &&
+ params->supported_channels_len)
+ memcpy(__get_dynamic_array(supported_channels),
+ params->supported_channels,
+ params->supported_channels_len);
+ if (params->supported_oper_classes &&
+ params->supported_oper_classes_len)
+ memcpy(__get_dynamic_array(supported_oper_classes),
+ params->supported_oper_classes,
+ params->supported_oper_classes_len);
+ __entry->max_sp = params->max_sp;
+ __entry->capability = params->capability;
+ __entry->opmode_notif = params->opmode_notif;
+ __entry->opmode_notif_used = params->opmode_notif_used;
),
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", station mac: " MAC_PR_FMT
", station flags mask: %u, station flags set: %u, "
@@ -2818,6 +2856,71 @@
WIPHY_PR_ARG, WDEV_PR_ARG)
);
+TRACE_EVENT(rdev_start_radar_detection,
+ TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
+ struct cfg80211_chan_def *chandef,
+ u32 cac_time_ms),
+ TP_ARGS(wiphy, netdev, chandef, cac_time_ms),
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ NETDEV_ENTRY
+ CHAN_DEF_ENTRY
+ __field(u32, cac_time_ms)
+ ),
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ NETDEV_ASSIGN;
+ CHAN_DEF_ASSIGN(chandef);
+ __entry->cac_time_ms = cac_time_ms;
+ ),
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT
+ ", cac_time_ms=%u",
+ WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG,
+ __entry->cac_time_ms)
+);
+
+TRACE_EVENT(rdev_set_mcast_rate,
+ TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
+ int mcast_rate[IEEE80211_NUM_BANDS]),
+ TP_ARGS(wiphy, netdev, mcast_rate),
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ NETDEV_ENTRY
+ __array(int, mcast_rate, IEEE80211_NUM_BANDS)
+ ),
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ NETDEV_ASSIGN;
+ memcpy(__entry->mcast_rate, mcast_rate,
+ sizeof(int) * IEEE80211_NUM_BANDS);
+ ),
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", "
+ "mcast_rates [2.4GHz=0x%x, 5.2GHz=0x%x, 60GHz=0x%x]",
+ WIPHY_PR_ARG, NETDEV_PR_ARG,
+ __entry->mcast_rate[IEEE80211_BAND_2GHZ],
+ __entry->mcast_rate[IEEE80211_BAND_5GHZ],
+ __entry->mcast_rate[IEEE80211_BAND_60GHZ])
+);
+
+TRACE_EVENT(rdev_set_coalesce,
+ TP_PROTO(struct wiphy *wiphy, struct cfg80211_coalesce *coalesce),
+ TP_ARGS(wiphy, coalesce),
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ __field(int, n_rules)
+ ),
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ __entry->n_rules = coalesce ? coalesce->n_rules : 0;
+ ),
+ TP_printk(WIPHY_PR_FMT ", n_rules=%d",
+ WIPHY_PR_ARG, __entry->n_rules)
+);
+
+DEFINE_EVENT(wiphy_wdev_evt, rdev_abort_scan,
+ TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
+ TP_ARGS(wiphy, wdev)
+);
#endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH
diff --git a/net/wireless/util.c b/net/wireless/util.c
index baf7218..9277042 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1325,13 +1325,6 @@
}
EXPORT_SYMBOL(ieee80211_ie_split_ric);
-size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
- const u8 *ids, int n_ids, size_t offset)
-{
- return ieee80211_ie_split_ric(ies, ielen, ids, n_ids, NULL, 0, offset);
-}
-EXPORT_SYMBOL(ieee80211_ie_split);
-
bool ieee80211_operating_class_to_band(u8 operating_class,
enum ieee80211_band *band)
{
@@ -1620,120 +1613,6 @@
}
EXPORT_SYMBOL(cfg80211_check_combinations);
-int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev,
- enum nl80211_iftype iftype,
- struct ieee80211_channel *chan,
- enum cfg80211_chan_mode chanmode,
- u8 radar_detect)
-{
- struct wireless_dev *wdev_iter;
- int num[NUM_NL80211_IFTYPES];
- struct ieee80211_channel
- *used_channels[CFG80211_MAX_NUM_DIFFERENT_CHANNELS];
- struct ieee80211_channel *ch;
- enum cfg80211_chan_mode chmode;
- int num_different_channels = 0;
- int total = 1;
- int i;
-
- ASSERT_RTNL();
-
- if (WARN_ON(hweight32(radar_detect) > 1))
- return -EINVAL;
-
- if (WARN_ON(iftype >= NUM_NL80211_IFTYPES))
- return -EINVAL;
-
- /* Always allow software iftypes */
- if (rdev->wiphy.software_iftypes & BIT(iftype)) {
- if (radar_detect)
- return -EINVAL;
- return 0;
- }
-
- memset(num, 0, sizeof(num));
- memset(used_channels, 0, sizeof(used_channels));
-
- num[iftype] = 1;
-
- /* TODO: We'll probably not need this anymore, since this
- * should only be called with CHAN_MODE_UNDEFINED. There are
- * still a couple of pending calls where other chanmodes are
- * used, but we should get rid of them.
- */
- switch (chanmode) {
- case CHAN_MODE_UNDEFINED:
- break;
- case CHAN_MODE_SHARED:
- WARN_ON(!chan);
- used_channels[0] = chan;
- num_different_channels++;
- break;
- case CHAN_MODE_EXCLUSIVE:
- num_different_channels++;
- break;
- }
-
- list_for_each_entry(wdev_iter, &rdev->wdev_list, list) {
- if (wdev_iter == wdev)
- continue;
- if (wdev_iter->iftype == NL80211_IFTYPE_P2P_DEVICE) {
- if (!wdev_iter->p2p_started)
- continue;
- } else if (wdev_iter->netdev) {
- if (!netif_running(wdev_iter->netdev))
- continue;
- } else {
- WARN_ON(1);
- }
-
- if (rdev->wiphy.software_iftypes & BIT(wdev_iter->iftype))
- continue;
-
- /*
- * We may be holding the "wdev" mutex, but now need to lock
- * wdev_iter. This is OK because once we get here wdev_iter
- * is not wdev (tested above), but we need to use the nested
- * locking for lockdep.
- */
- mutex_lock_nested(&wdev_iter->mtx, 1);
- __acquire(wdev_iter->mtx);
- cfg80211_get_chan_state(wdev_iter, &ch, &chmode, &radar_detect);
- wdev_unlock(wdev_iter);
-
- switch (chmode) {
- case CHAN_MODE_UNDEFINED:
- break;
- case CHAN_MODE_SHARED:
- for (i = 0; i < CFG80211_MAX_NUM_DIFFERENT_CHANNELS; i++)
- if (!used_channels[i] || used_channels[i] == ch)
- break;
-
- if (i == CFG80211_MAX_NUM_DIFFERENT_CHANNELS)
- return -EBUSY;
-
- if (used_channels[i] == NULL) {
- used_channels[i] = ch;
- num_different_channels++;
- }
- break;
- case CHAN_MODE_EXCLUSIVE:
- num_different_channels++;
- break;
- }
-
- num[wdev_iter->iftype]++;
- total++;
- }
-
- if (total == 1 && !radar_detect)
- return 0;
-
- return cfg80211_check_combinations(&rdev->wiphy, num_different_channels,
- radar_detect, num);
-}
-
int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
const u8 *rates, unsigned int n_rates,
u32 *mask)
