blob: 2a179d087207e4375afb0d66f712043a10417786 [file] [log] [blame]
/*
* QLogic qlcnic NIC Driver
* Copyright (c) 2009-2010 QLogic Corporation
*
* See LICENSE.qlcnic for copyright and licensing details.
*/
#include "qlcnic.h"
static u32
qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
{
u32 rsp;
int timeout = 0;
do {
/* give atleast 1ms for firmware to respond */
mdelay(1);
if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
return QLCNIC_CDRP_RSP_TIMEOUT;
rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET);
} while (!QLCNIC_CDRP_IS_RSP(rsp));
return rsp;
}
void
qlcnic_issue_cmd(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd)
{
u32 rsp;
u32 signature;
struct pci_dev *pdev = adapter->pdev;
struct qlcnic_hardware_context *ahw = adapter->ahw;
signature = QLCNIC_CDRP_SIGNATURE_MAKE(ahw->pci_func,
adapter->fw_hal_version);
/* Acquire semaphore before accessing CRB */
if (qlcnic_api_lock(adapter)) {
cmd->rsp.cmd = QLCNIC_RCODE_TIMEOUT;
return;
}
QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
QLCWR32(adapter, QLCNIC_ARG1_CRB_OFFSET, cmd->req.arg1);
QLCWR32(adapter, QLCNIC_ARG2_CRB_OFFSET, cmd->req.arg2);
QLCWR32(adapter, QLCNIC_ARG3_CRB_OFFSET, cmd->req.arg3);
QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
QLCNIC_CDRP_FORM_CMD(cmd->req.cmd));
rsp = qlcnic_poll_rsp(adapter);
if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
dev_err(&pdev->dev, "CDRP response timeout.\n");
cmd->rsp.cmd = QLCNIC_RCODE_TIMEOUT;
} else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
cmd->rsp.cmd = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
switch (cmd->rsp.cmd) {
case QLCNIC_RCODE_INVALID_ARGS:
dev_err(&pdev->dev, "CDRP invalid args: 0x%x.\n",
cmd->rsp.cmd);
break;
case QLCNIC_RCODE_NOT_SUPPORTED:
case QLCNIC_RCODE_NOT_IMPL:
dev_err(&pdev->dev,
"CDRP command not supported: 0x%x.\n",
cmd->rsp.cmd);
break;
case QLCNIC_RCODE_NOT_PERMITTED:
dev_err(&pdev->dev,
"CDRP requested action not permitted: 0x%x.\n",
cmd->rsp.cmd);
break;
case QLCNIC_RCODE_INVALID:
dev_err(&pdev->dev,
"CDRP invalid or unknown cmd received: 0x%x.\n",
cmd->rsp.cmd);
break;
case QLCNIC_RCODE_TIMEOUT:
dev_err(&pdev->dev, "CDRP command timeout: 0x%x.\n",
cmd->rsp.cmd);
break;
default:
dev_err(&pdev->dev, "CDRP command failed: 0x%x.\n",
cmd->rsp.cmd);
}
} else if (rsp == QLCNIC_CDRP_RSP_OK) {
cmd->rsp.cmd = QLCNIC_RCODE_SUCCESS;
if (cmd->rsp.arg2)
cmd->rsp.arg2 = QLCRD32(adapter,
QLCNIC_ARG2_CRB_OFFSET);
if (cmd->rsp.arg3)
cmd->rsp.arg3 = QLCRD32(adapter,
QLCNIC_ARG3_CRB_OFFSET);
}
if (cmd->rsp.arg1)
cmd->rsp.arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
/* Release semaphore */
qlcnic_api_unlock(adapter);
}
static uint32_t qlcnic_temp_checksum(uint32_t *temp_buffer, u16 temp_size)
{
uint64_t sum = 0;
int count = temp_size / sizeof(uint32_t);
while (count-- > 0)
sum += *temp_buffer++;
while (sum >> 32)
sum = (sum & 0xFFFFFFFF) + (sum >> 32);
return ~sum;
}
int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
{
int err, i;
u16 temp_size;
void *tmp_addr;
u32 version, csum, *template, *tmp_buf;
struct qlcnic_cmd_args cmd;
struct qlcnic_hardware_context *ahw;
struct qlcnic_dump_template_hdr *tmpl_hdr, *tmp_tmpl;
dma_addr_t tmp_addr_t = 0;
ahw = adapter->ahw;
memset(&cmd, 0, sizeof(cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_TEMP_SIZE;
memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd));
qlcnic_issue_cmd(adapter, &cmd);
if (cmd.rsp.cmd != QLCNIC_RCODE_SUCCESS) {
dev_info(&adapter->pdev->dev,
"Can't get template size %d\n", cmd.rsp.cmd);
err = -EIO;
return err;
}
temp_size = cmd.rsp.arg2;
version = cmd.rsp.arg3;
if (!temp_size)
return -EIO;
tmp_addr = dma_alloc_coherent(&adapter->pdev->dev, temp_size,
&tmp_addr_t, GFP_KERNEL);
if (!tmp_addr) {
dev_err(&adapter->pdev->dev,
"Can't get memory for FW dump template\n");
return -ENOMEM;
}
memset(&cmd.rsp, 0, sizeof(struct _cdrp_cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_GET_TEMP_HDR;
cmd.req.arg1 = LSD(tmp_addr_t);
cmd.req.arg2 = MSD(tmp_addr_t);
cmd.req.arg3 = temp_size;
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to get mini dump template header %d\n", err);
err = -EIO;
goto error;
}
tmp_tmpl = tmp_addr;
csum = qlcnic_temp_checksum((uint32_t *) tmp_addr, temp_size);
if (csum) {
dev_err(&adapter->pdev->dev,
"Template header checksum validation failed\n");
err = -EIO;
goto error;
}
ahw->fw_dump.tmpl_hdr = vzalloc(temp_size);
if (!ahw->fw_dump.tmpl_hdr) {
err = -EIO;
goto error;
}
tmp_buf = tmp_addr;
template = (u32 *) ahw->fw_dump.tmpl_hdr;
for (i = 0; i < temp_size/sizeof(u32); i++)
*template++ = __le32_to_cpu(*tmp_buf++);
tmpl_hdr = ahw->fw_dump.tmpl_hdr;
tmpl_hdr->drv_cap_mask = QLCNIC_DUMP_MASK_DEF;
ahw->fw_dump.enable = 1;
error:
dma_free_coherent(&adapter->pdev->dev, temp_size, tmp_addr, tmp_addr_t);
return err;
}
int
qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
{
struct qlcnic_cmd_args cmd;
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
memset(&cmd, 0, sizeof(cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_SET_MTU;
cmd.req.arg1 = recv_ctx->context_id;
cmd.req.arg2 = mtu;
cmd.req.arg3 = 0;
if (recv_ctx->state == QLCNIC_HOST_CTX_STATE_ACTIVE) {
qlcnic_issue_cmd(adapter, &cmd);
if (cmd.rsp.cmd) {
dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
return -EIO;
}
}
return 0;
}
static int
qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
{
void *addr;
struct qlcnic_hostrq_rx_ctx *prq;
struct qlcnic_cardrsp_rx_ctx *prsp;
struct qlcnic_hostrq_rds_ring *prq_rds;
struct qlcnic_hostrq_sds_ring *prq_sds;
struct qlcnic_cardrsp_rds_ring *prsp_rds;
struct qlcnic_cardrsp_sds_ring *prsp_sds;
struct qlcnic_host_rds_ring *rds_ring;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_cmd_args cmd;
dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
u64 phys_addr;
u8 i, nrds_rings, nsds_rings;
size_t rq_size, rsp_size;
u32 cap, reg, val, reg2;
int err;
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
nrds_rings = adapter->max_rds_rings;
nsds_rings = adapter->max_sds_rings;
rq_size =
SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
nsds_rings);
rsp_size =
SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
nsds_rings);
addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
&hostrq_phys_addr, GFP_KERNEL);
if (addr == NULL)
return -ENOMEM;
prq = addr;
addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
&cardrsp_phys_addr, GFP_KERNEL);
if (addr == NULL) {
err = -ENOMEM;
goto out_free_rq;
}
prsp = addr;
prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
| QLCNIC_CAP0_VALIDOFF);
cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP)
cap |= QLCNIC_CAP0_LRO_MSS;
prq->valid_field_offset = offsetof(struct qlcnic_hostrq_rx_ctx,
msix_handler);
prq->txrx_sds_binding = nsds_rings - 1;
prq->capabilities[0] = cpu_to_le32(cap);
prq->host_int_crb_mode =
cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
prq->host_rds_crb_mode =
cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
prq->num_rds_rings = cpu_to_le16(nrds_rings);
prq->num_sds_rings = cpu_to_le16(nsds_rings);
prq->rds_ring_offset = 0;
val = le32_to_cpu(prq->rds_ring_offset) +
(sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
prq->sds_ring_offset = cpu_to_le32(val);
prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
le32_to_cpu(prq->rds_ring_offset));
for (i = 0; i < nrds_rings; i++) {
rds_ring = &recv_ctx->rds_rings[i];
rds_ring->producer = 0;
prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
prq_rds[i].ring_kind = cpu_to_le32(i);
prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
}
prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
le32_to_cpu(prq->sds_ring_offset));
for (i = 0; i < nsds_rings; i++) {
sds_ring = &recv_ctx->sds_rings[i];
sds_ring->consumer = 0;
memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
prq_sds[i].msi_index = cpu_to_le16(i);
}
phys_addr = hostrq_phys_addr;
memset(&cmd, 0, sizeof(cmd));
cmd.req.arg1 = (u32) (phys_addr >> 32);
cmd.req.arg2 = (u32) (phys_addr & 0xffffffff);
cmd.req.arg3 = rq_size;
cmd.req.cmd = QLCNIC_CDRP_CMD_CREATE_RX_CTX;
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (err) {
dev_err(&adapter->pdev->dev,
"Failed to create rx ctx in firmware%d\n", err);
goto out_free_rsp;
}
prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
&prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
rds_ring = &recv_ctx->rds_rings[i];
reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
rds_ring->crb_rcv_producer = adapter->ahw->pci_base0 + reg;
}
prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
&prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
sds_ring = &recv_ctx->sds_rings[i];
reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
sds_ring->crb_sts_consumer = adapter->ahw->pci_base0 + reg;
sds_ring->crb_intr_mask = adapter->ahw->pci_base0 + reg2;
}
recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
recv_ctx->context_id = le16_to_cpu(prsp->context_id);
recv_ctx->virt_port = prsp->virt_port;
out_free_rsp:
dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
cardrsp_phys_addr);
out_free_rq:
dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
return err;
}
static void
qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
{
struct qlcnic_cmd_args cmd;
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
memset(&cmd, 0, sizeof(cmd));
cmd.req.arg1 = recv_ctx->context_id;
cmd.req.arg2 = QLCNIC_DESTROY_CTX_RESET;
cmd.req.arg3 = 0;
cmd.req.cmd = QLCNIC_CDRP_CMD_DESTROY_RX_CTX;
qlcnic_issue_cmd(adapter, &cmd);
if (cmd.rsp.cmd)
dev_err(&adapter->pdev->dev,
"Failed to destroy rx ctx in firmware\n");
recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
}
static int
qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
{
struct qlcnic_hostrq_tx_ctx *prq;
struct qlcnic_hostrq_cds_ring *prq_cds;
struct qlcnic_cardrsp_tx_ctx *prsp;
void *rq_addr, *rsp_addr;
size_t rq_size, rsp_size;
u32 temp;
struct qlcnic_cmd_args cmd;
int err;
u64 phys_addr;
dma_addr_t rq_phys_addr, rsp_phys_addr;
struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
/* reset host resources */
tx_ring->producer = 0;
tx_ring->sw_consumer = 0;
*(tx_ring->hw_consumer) = 0;
rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
&rq_phys_addr, GFP_KERNEL);
if (!rq_addr)
return -ENOMEM;
rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
&rsp_phys_addr, GFP_KERNEL);
if (!rsp_addr) {
err = -ENOMEM;
goto out_free_rq;
}
memset(rq_addr, 0, rq_size);
prq = rq_addr;
memset(rsp_addr, 0, rsp_size);
prsp = rsp_addr;
prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
QLCNIC_CAP0_LSO);
prq->capabilities[0] = cpu_to_le32(temp);
prq->host_int_crb_mode =
cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
prq->interrupt_ctl = 0;
prq->msi_index = 0;
prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
prq_cds = &prq->cds_ring;
prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
phys_addr = rq_phys_addr;
memset(&cmd, 0, sizeof(cmd));
cmd.req.arg1 = (u32)(phys_addr >> 32);
cmd.req.arg2 = ((u32)phys_addr & 0xffffffff);
cmd.req.arg3 = rq_size;
cmd.req.cmd = QLCNIC_CDRP_CMD_CREATE_TX_CTX;
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (err == QLCNIC_RCODE_SUCCESS) {
temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
adapter->tx_context_id =
le16_to_cpu(prsp->context_id);
} else {
dev_err(&adapter->pdev->dev,
"Failed to create tx ctx in firmware%d\n", err);
err = -EIO;
}
dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
rsp_phys_addr);
out_free_rq:
dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
return err;
}
static void
qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter)
{
struct qlcnic_cmd_args cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.req.arg1 = adapter->tx_context_id;
cmd.req.arg2 = QLCNIC_DESTROY_CTX_RESET;
cmd.req.arg3 = 0;
cmd.req.cmd = QLCNIC_CDRP_CMD_DESTROY_TX_CTX;
qlcnic_issue_cmd(adapter, &cmd);
if (cmd.rsp.cmd)
dev_err(&adapter->pdev->dev,
"Failed to destroy tx ctx in firmware\n");
}
int
qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
{
struct qlcnic_cmd_args cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.req.arg1 = config;
cmd.req.cmd = QLCNIC_CDRP_CMD_CONFIG_PORT;
qlcnic_issue_cmd(adapter, &cmd);
return cmd.rsp.cmd;
}
int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
{
void *addr;
int err;
int ring;
struct qlcnic_recv_context *recv_ctx;
struct qlcnic_host_rds_ring *rds_ring;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_tx_ring *tx_ring;
struct pci_dev *pdev = adapter->pdev;
recv_ctx = adapter->recv_ctx;
tx_ring = adapter->tx_ring;
tx_ring->hw_consumer = (__le32 *) dma_alloc_coherent(&pdev->dev,
sizeof(u32), &tx_ring->hw_cons_phys_addr, GFP_KERNEL);
if (tx_ring->hw_consumer == NULL) {
dev_err(&pdev->dev, "failed to allocate tx consumer\n");
return -ENOMEM;
}
/* cmd desc ring */
addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
&tx_ring->phys_addr, GFP_KERNEL);
if (addr == NULL) {
dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
err = -ENOMEM;
goto err_out_free;
}
tx_ring->desc_head = addr;
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
addr = dma_alloc_coherent(&adapter->pdev->dev,
RCV_DESC_RINGSIZE(rds_ring),
&rds_ring->phys_addr, GFP_KERNEL);
if (addr == NULL) {
dev_err(&pdev->dev,
"failed to allocate rds ring [%d]\n", ring);
err = -ENOMEM;
goto err_out_free;
}
rds_ring->desc_head = addr;
}
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring];
addr = dma_alloc_coherent(&adapter->pdev->dev,
STATUS_DESC_RINGSIZE(sds_ring),
&sds_ring->phys_addr, GFP_KERNEL);
if (addr == NULL) {
dev_err(&pdev->dev,
"failed to allocate sds ring [%d]\n", ring);
err = -ENOMEM;
goto err_out_free;
}
sds_ring->desc_head = addr;
}
return 0;
err_out_free:
qlcnic_free_hw_resources(adapter);
return err;
}
int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter)
{
int err;
if (adapter->flags & QLCNIC_NEED_FLR) {
pci_reset_function(adapter->pdev);
adapter->flags &= ~QLCNIC_NEED_FLR;
}
err = qlcnic_fw_cmd_create_rx_ctx(adapter);
if (err)
return err;
err = qlcnic_fw_cmd_create_tx_ctx(adapter);
if (err) {
qlcnic_fw_cmd_destroy_rx_ctx(adapter);
return err;
}
set_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
return 0;
}
void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
{
if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
qlcnic_fw_cmd_destroy_rx_ctx(adapter);
qlcnic_fw_cmd_destroy_tx_ctx(adapter);
/* Allow dma queues to drain after context reset */
mdelay(20);
}
}
void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
{
struct qlcnic_recv_context *recv_ctx;
struct qlcnic_host_rds_ring *rds_ring;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_tx_ring *tx_ring;
int ring;
recv_ctx = adapter->recv_ctx;
tx_ring = adapter->tx_ring;
if (tx_ring->hw_consumer != NULL) {
dma_free_coherent(&adapter->pdev->dev,
sizeof(u32),
tx_ring->hw_consumer,
tx_ring->hw_cons_phys_addr);
tx_ring->hw_consumer = NULL;
}
if (tx_ring->desc_head != NULL) {
dma_free_coherent(&adapter->pdev->dev,
TX_DESC_RINGSIZE(tx_ring),
tx_ring->desc_head, tx_ring->phys_addr);
tx_ring->desc_head = NULL;
}
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
if (rds_ring->desc_head != NULL) {
dma_free_coherent(&adapter->pdev->dev,
RCV_DESC_RINGSIZE(rds_ring),
rds_ring->desc_head,
rds_ring->phys_addr);
rds_ring->desc_head = NULL;
}
}
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring];
if (sds_ring->desc_head != NULL) {
dma_free_coherent(&adapter->pdev->dev,
STATUS_DESC_RINGSIZE(sds_ring),
sds_ring->desc_head,
sds_ring->phys_addr);
sds_ring->desc_head = NULL;
}
}
}
/* Get MAC address of a NIC partition */
int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
{
int err;
struct qlcnic_cmd_args cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.req.arg1 = adapter->ahw->pci_func | BIT_8;
cmd.req.cmd = QLCNIC_CDRP_CMD_MAC_ADDRESS;
cmd.rsp.arg1 = cmd.rsp.arg2 = 1;
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (err == QLCNIC_RCODE_SUCCESS)
qlcnic_fetch_mac(adapter, cmd.rsp.arg1, cmd.rsp.arg2, 0, mac);
else {
dev_err(&adapter->pdev->dev,
"Failed to get mac address%d\n", err);
err = -EIO;
}
return err;
}
/* Get info of a NIC partition */
int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
struct qlcnic_info *npar_info, u8 func_id)
{
int err;
dma_addr_t nic_dma_t;
struct qlcnic_info *nic_info;
void *nic_info_addr;
struct qlcnic_cmd_args cmd;
size_t nic_size = sizeof(struct qlcnic_info);
nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
&nic_dma_t, GFP_KERNEL);
if (!nic_info_addr)
return -ENOMEM;
memset(nic_info_addr, 0, nic_size);
nic_info = nic_info_addr;
memset(&cmd, 0, sizeof(cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_GET_NIC_INFO;
cmd.req.arg1 = MSD(nic_dma_t);
cmd.req.arg2 = LSD(nic_dma_t);
cmd.req.arg3 = (func_id << 16 | nic_size);
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (err == QLCNIC_RCODE_SUCCESS) {
npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
dev_info(&adapter->pdev->dev,
"phy port: %d switch_mode: %d,\n"
"\tmax_tx_q: %d max_rx_q: %d min_tx_bw: 0x%x,\n"
"\tmax_tx_bw: 0x%x max_mtu:0x%x, capabilities: 0x%x\n",
npar_info->phys_port, npar_info->switch_mode,
npar_info->max_tx_ques, npar_info->max_rx_ques,
npar_info->min_tx_bw, npar_info->max_tx_bw,
npar_info->max_mtu, npar_info->capabilities);
} else {
dev_err(&adapter->pdev->dev,
"Failed to get nic info%d\n", err);
err = -EIO;
}
dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
nic_dma_t);
return err;
}
/* Configure a NIC partition */
int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
{
int err = -EIO;
dma_addr_t nic_dma_t;
void *nic_info_addr;
struct qlcnic_cmd_args cmd;
struct qlcnic_info *nic_info;
size_t nic_size = sizeof(struct qlcnic_info);
if (adapter->op_mode != QLCNIC_MGMT_FUNC)
return err;
nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
&nic_dma_t, GFP_KERNEL);
if (!nic_info_addr)
return -ENOMEM;
memset(nic_info_addr, 0, nic_size);
nic_info = nic_info_addr;
nic_info->pci_func = cpu_to_le16(nic->pci_func);
nic_info->op_mode = cpu_to_le16(nic->op_mode);
nic_info->phys_port = cpu_to_le16(nic->phys_port);
nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
nic_info->capabilities = cpu_to_le32(nic->capabilities);
nic_info->max_mac_filters = nic->max_mac_filters;
nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
memset(&cmd, 0, sizeof(cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_SET_NIC_INFO;
cmd.req.arg1 = MSD(nic_dma_t);
cmd.req.arg2 = LSD(nic_dma_t);
cmd.req.arg3 = ((nic->pci_func << 16) | nic_size);
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to set nic info%d\n", err);
err = -EIO;
}
dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
nic_dma_t);
return err;
}
/* Get PCI Info of a partition */
int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
struct qlcnic_pci_info *pci_info)
{
int err = 0, i;
struct qlcnic_cmd_args cmd;
dma_addr_t pci_info_dma_t;
struct qlcnic_pci_info *npar;
void *pci_info_addr;
size_t npar_size = sizeof(struct qlcnic_pci_info);
size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
&pci_info_dma_t, GFP_KERNEL);
if (!pci_info_addr)
return -ENOMEM;
memset(pci_info_addr, 0, pci_size);
npar = pci_info_addr;
memset(&cmd, 0, sizeof(cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_GET_PCI_INFO;
cmd.req.arg1 = MSD(pci_info_dma_t);
cmd.req.arg2 = LSD(pci_info_dma_t);
cmd.req.arg3 = pci_size;
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (err == QLCNIC_RCODE_SUCCESS) {
for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
pci_info->id = le16_to_cpu(npar->id);
pci_info->active = le16_to_cpu(npar->active);
pci_info->type = le16_to_cpu(npar->type);
pci_info->default_port =
le16_to_cpu(npar->default_port);
pci_info->tx_min_bw =
le16_to_cpu(npar->tx_min_bw);
pci_info->tx_max_bw =
le16_to_cpu(npar->tx_max_bw);
memcpy(pci_info->mac, npar->mac, ETH_ALEN);
}
} else {
dev_err(&adapter->pdev->dev,
"Failed to get PCI Info%d\n", err);
err = -EIO;
}
dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
pci_info_dma_t);
return err;
}
/* Configure eSwitch for port mirroring */
int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
u8 enable_mirroring, u8 pci_func)
{
int err = -EIO;
u32 arg1;
struct qlcnic_cmd_args cmd;
if (adapter->op_mode != QLCNIC_MGMT_FUNC ||
!(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
return err;
arg1 = id | (enable_mirroring ? BIT_4 : 0);
arg1 |= pci_func << 8;
memset(&cmd, 0, sizeof(cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_SET_PORTMIRRORING;
cmd.req.arg1 = arg1;
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to configure port mirroring%d on eswitch:%d\n",
pci_func, id);
} else {
dev_info(&adapter->pdev->dev,
"Configured eSwitch %d for port mirroring:%d\n",
id, pci_func);
}
return err;
}
int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
size_t stats_size = sizeof(struct __qlcnic_esw_statistics);
struct __qlcnic_esw_statistics *stats;
dma_addr_t stats_dma_t;
void *stats_addr;
u32 arg1;
struct qlcnic_cmd_args cmd;
int err;
if (esw_stats == NULL)
return -ENOMEM;
if (adapter->op_mode != QLCNIC_MGMT_FUNC &&
func != adapter->ahw->pci_func) {
dev_err(&adapter->pdev->dev,
"Not privilege to query stats for func=%d", func);
return -EIO;
}
stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
&stats_dma_t, GFP_KERNEL);
if (!stats_addr) {
dev_err(&adapter->pdev->dev, "Unable to allocate memory\n");
return -ENOMEM;
}
memset(stats_addr, 0, stats_size);
arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
arg1 |= rx_tx << 15 | stats_size << 16;
memset(&cmd, 0, sizeof(cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_GET_ESWITCH_STATS;
cmd.req.arg1 = arg1;
cmd.req.arg2 = MSD(stats_dma_t);
cmd.req.arg3 = LSD(stats_dma_t);
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (!err) {
stats = stats_addr;
esw_stats->context_id = le16_to_cpu(stats->context_id);
esw_stats->version = le16_to_cpu(stats->version);
esw_stats->size = le16_to_cpu(stats->size);
esw_stats->multicast_frames =
le64_to_cpu(stats->multicast_frames);
esw_stats->broadcast_frames =
le64_to_cpu(stats->broadcast_frames);
esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
esw_stats->local_frames = le64_to_cpu(stats->local_frames);
esw_stats->errors = le64_to_cpu(stats->errors);
esw_stats->numbytes = le64_to_cpu(stats->numbytes);
}
dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
stats_dma_t);
return err;
}
/* This routine will retrieve the MAC statistics from firmware */
int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
struct qlcnic_mac_statistics *mac_stats)
{
struct qlcnic_mac_statistics *stats;
struct qlcnic_cmd_args cmd;
size_t stats_size = sizeof(struct qlcnic_mac_statistics);
dma_addr_t stats_dma_t;
void *stats_addr;
int err;
stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
&stats_dma_t, GFP_KERNEL);
if (!stats_addr) {
dev_err(&adapter->pdev->dev,
"%s: Unable to allocate memory.\n", __func__);
return -ENOMEM;
}
memset(stats_addr, 0, stats_size);
memset(&cmd, 0, sizeof(cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_GET_MAC_STATS;
cmd.req.arg1 = stats_size << 16;
cmd.req.arg2 = MSD(stats_dma_t);
cmd.req.arg3 = LSD(stats_dma_t);
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (!err) {
stats = stats_addr;
mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
mac_stats->mac_tx_mcast_pkts =
le64_to_cpu(stats->mac_tx_mcast_pkts);
mac_stats->mac_tx_bcast_pkts =
le64_to_cpu(stats->mac_tx_bcast_pkts);
mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
mac_stats->mac_rx_mcast_pkts =
le64_to_cpu(stats->mac_rx_mcast_pkts);
mac_stats->mac_rx_length_error =
le64_to_cpu(stats->mac_rx_length_error);
mac_stats->mac_rx_length_small =
le64_to_cpu(stats->mac_rx_length_small);
mac_stats->mac_rx_length_large =
le64_to_cpu(stats->mac_rx_length_large);
mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
}
dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
stats_dma_t);
return err;
}
int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
struct __qlcnic_esw_statistics port_stats;
u8 i;
int ret = -EIO;
if (esw_stats == NULL)
return -ENOMEM;
if (adapter->op_mode != QLCNIC_MGMT_FUNC)
return -EIO;
if (adapter->npars == NULL)
return -EIO;
memset(esw_stats, 0, sizeof(u64));
esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
esw_stats->context_id = eswitch;
for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
if (adapter->npars[i].phy_port != eswitch)
continue;
memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
if (qlcnic_get_port_stats(adapter, i, rx_tx, &port_stats))
continue;
esw_stats->size = port_stats.size;
esw_stats->version = port_stats.version;
QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
port_stats.unicast_frames);
QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
port_stats.multicast_frames);
QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
port_stats.broadcast_frames);
QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
port_stats.dropped_frames);
QLCNIC_ADD_ESW_STATS(esw_stats->errors,
port_stats.errors);
QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
port_stats.local_frames);
QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
port_stats.numbytes);
ret = 0;
}
return ret;
}
int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
const u8 port, const u8 rx_tx)
{
u32 arg1;
struct qlcnic_cmd_args cmd;
if (adapter->op_mode != QLCNIC_MGMT_FUNC)
return -EIO;
if (func_esw == QLCNIC_STATS_PORT) {
if (port >= QLCNIC_MAX_PCI_FUNC)
goto err_ret;
} else if (func_esw == QLCNIC_STATS_ESWITCH) {
if (port >= QLCNIC_NIU_MAX_XG_PORTS)
goto err_ret;
} else {
goto err_ret;
}
if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
goto err_ret;
arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
arg1 |= BIT_14 | rx_tx << 15;
memset(&cmd, 0, sizeof(cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_GET_ESWITCH_STATS;
cmd.req.arg1 = arg1;
qlcnic_issue_cmd(adapter, &cmd);
return cmd.rsp.cmd;
err_ret:
dev_err(&adapter->pdev->dev, "Invalid argument func_esw=%d port=%d"
"rx_ctx=%d\n", func_esw, port, rx_tx);
return -EIO;
}
static int
__qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
u32 *arg1, u32 *arg2)
{
int err = -EIO;
struct qlcnic_cmd_args cmd;
u8 pci_func;
pci_func = (*arg1 >> 8);
cmd.req.cmd = QLCNIC_CDRP_CMD_GET_ESWITCH_PORT_CONFIG;
cmd.req.arg1 = *arg1;
cmd.rsp.arg1 = cmd.rsp.arg2 = 1;
qlcnic_issue_cmd(adapter, &cmd);
*arg1 = cmd.rsp.arg1;
*arg2 = cmd.rsp.arg2;
err = cmd.rsp.cmd;
if (err == QLCNIC_RCODE_SUCCESS) {
dev_info(&adapter->pdev->dev,
"eSwitch port config for pci func %d\n", pci_func);
} else {
dev_err(&adapter->pdev->dev,
"Failed to get eswitch port config for pci func %d\n",
pci_func);
}
return err;
}
/* Configure eSwitch port
op_mode = 0 for setting default port behavior
op_mode = 1 for setting vlan id
op_mode = 2 for deleting vlan id
op_type = 0 for vlan_id
op_type = 1 for port vlan_id
*/
int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
struct qlcnic_esw_func_cfg *esw_cfg)
{
int err = -EIO;
u32 arg1, arg2 = 0;
struct qlcnic_cmd_args cmd;
u8 pci_func;
if (adapter->op_mode != QLCNIC_MGMT_FUNC)
return err;
pci_func = esw_cfg->pci_func;
arg1 = (adapter->npars[pci_func].phy_port & BIT_0);
arg1 |= (pci_func << 8);
if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
return err;
arg1 &= ~(0x0ff << 8);
arg1 |= (pci_func << 8);
arg1 &= ~(BIT_2 | BIT_3);
switch (esw_cfg->op_mode) {
case QLCNIC_PORT_DEFAULTS:
arg1 |= (BIT_4 | BIT_6 | BIT_7);
arg2 |= (BIT_0 | BIT_1);
if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
arg2 |= (BIT_2 | BIT_3);
if (!(esw_cfg->discard_tagged))
arg1 &= ~BIT_4;
if (!(esw_cfg->promisc_mode))
arg1 &= ~BIT_6;
if (!(esw_cfg->mac_override))
arg1 &= ~BIT_7;
if (!(esw_cfg->mac_anti_spoof))
arg2 &= ~BIT_0;
if (!(esw_cfg->offload_flags & BIT_0))
arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
if (!(esw_cfg->offload_flags & BIT_1))
arg2 &= ~BIT_2;
if (!(esw_cfg->offload_flags & BIT_2))
arg2 &= ~BIT_3;
break;
case QLCNIC_ADD_VLAN:
arg1 |= (BIT_2 | BIT_5);
arg1 |= (esw_cfg->vlan_id << 16);
break;
case QLCNIC_DEL_VLAN:
arg1 |= (BIT_3 | BIT_5);
arg1 &= ~(0x0ffff << 16);
break;
default:
return err;
}
memset(&cmd, 0, sizeof(cmd));
cmd.req.cmd = QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH;
cmd.req.arg1 = arg1;
cmd.req.arg2 = arg2;
qlcnic_issue_cmd(adapter, &cmd);
err = cmd.rsp.cmd;
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to configure eswitch pci func %d\n", pci_func);
} else {
dev_info(&adapter->pdev->dev,
"Configured eSwitch for pci func %d\n", pci_func);
}
return err;
}
int
qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
struct qlcnic_esw_func_cfg *esw_cfg)
{
u32 arg1, arg2;
u8 phy_port;
if (adapter->op_mode == QLCNIC_MGMT_FUNC)
phy_port = adapter->npars[esw_cfg->pci_func].phy_port;
else
phy_port = adapter->physical_port;
arg1 = phy_port;
arg1 |= (esw_cfg->pci_func << 8);
if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
return -EIO;
esw_cfg->discard_tagged = !!(arg1 & BIT_4);
esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
esw_cfg->promisc_mode = !!(arg1 & BIT_6);
esw_cfg->mac_override = !!(arg1 & BIT_7);
esw_cfg->vlan_id = LSW(arg1 >> 16);
esw_cfg->mac_anti_spoof = (arg2 & 0x1);
esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
return 0;
}