blob: 05329292d940f8b2d83206750d1496239b1b604a [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0-only
/*
* Huawei HiNIC PCI Express Linux driver
* Copyright(c) 2017 Huawei Technologies Co., Ltd
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/pci.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/etherdevice.h>
#include <linux/netdevice.h>
#include <linux/slab.h>
#include <linux/if_vlan.h>
#include <linux/semaphore.h>
#include <linux/workqueue.h>
#include <net/ip.h>
#include <net/devlink.h>
#include <linux/bitops.h>
#include <linux/bitmap.h>
#include <linux/delay.h>
#include <linux/err.h>
#include "hinic_debugfs.h"
#include "hinic_hw_qp.h"
#include "hinic_hw_dev.h"
#include "hinic_devlink.h"
#include "hinic_port.h"
#include "hinic_tx.h"
#include "hinic_rx.h"
#include "hinic_dev.h"
#include "hinic_sriov.h"
MODULE_AUTHOR("Huawei Technologies CO., Ltd");
MODULE_DESCRIPTION("Huawei Intelligent NIC driver");
MODULE_LICENSE("GPL");
static unsigned int tx_weight = 64;
module_param(tx_weight, uint, 0644);
MODULE_PARM_DESC(tx_weight, "Number Tx packets for NAPI budget (default=64)");
static unsigned int rx_weight = 64;
module_param(rx_weight, uint, 0644);
MODULE_PARM_DESC(rx_weight, "Number Rx packets for NAPI budget (default=64)");
#define HINIC_DEV_ID_QUAD_PORT_25GE 0x1822
#define HINIC_DEV_ID_DUAL_PORT_100GE 0x0200
#define HINIC_DEV_ID_DUAL_PORT_100GE_MEZZ 0x0205
#define HINIC_DEV_ID_QUAD_PORT_25GE_MEZZ 0x0210
#define HINIC_DEV_ID_VF 0x375e
#define HINIC_WQ_NAME "hinic_dev"
#define MSG_ENABLE_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | \
NETIF_MSG_IFUP | \
NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR)
#define HINIC_LRO_MAX_WQE_NUM_DEFAULT 8
#define HINIC_LRO_RX_TIMER_DEFAULT 16
#define VLAN_BITMAP_SIZE(nic_dev) (ALIGN(VLAN_N_VID, 8) / 8)
#define work_to_rx_mode_work(work) \
container_of(work, struct hinic_rx_mode_work, work)
#define rx_mode_work_to_nic_dev(rx_mode_work) \
container_of(rx_mode_work, struct hinic_dev, rx_mode_work)
#define HINIC_WAIT_SRIOV_CFG_TIMEOUT 15000
#define HINIC_DEAULT_TXRX_MSIX_PENDING_LIMIT 2
#define HINIC_DEAULT_TXRX_MSIX_COALESC_TIMER_CFG 32
#define HINIC_DEAULT_TXRX_MSIX_RESEND_TIMER_CFG 7
static int change_mac_addr(struct net_device *netdev, const u8 *addr);
static int set_features(struct hinic_dev *nic_dev,
netdev_features_t pre_features,
netdev_features_t features, bool force_change);
static void update_rx_stats(struct hinic_dev *nic_dev, struct hinic_rxq *rxq)
{
struct hinic_rxq_stats *nic_rx_stats = &nic_dev->rx_stats;
struct hinic_rxq_stats rx_stats;
u64_stats_init(&rx_stats.syncp);
hinic_rxq_get_stats(rxq, &rx_stats);
u64_stats_update_begin(&nic_rx_stats->syncp);
nic_rx_stats->bytes += rx_stats.bytes;
nic_rx_stats->pkts += rx_stats.pkts;
nic_rx_stats->errors += rx_stats.errors;
nic_rx_stats->csum_errors += rx_stats.csum_errors;
nic_rx_stats->other_errors += rx_stats.other_errors;
u64_stats_update_end(&nic_rx_stats->syncp);
hinic_rxq_clean_stats(rxq);
}
static void update_tx_stats(struct hinic_dev *nic_dev, struct hinic_txq *txq)
{
struct hinic_txq_stats *nic_tx_stats = &nic_dev->tx_stats;
struct hinic_txq_stats tx_stats;
u64_stats_init(&tx_stats.syncp);
hinic_txq_get_stats(txq, &tx_stats);
u64_stats_update_begin(&nic_tx_stats->syncp);
nic_tx_stats->bytes += tx_stats.bytes;
nic_tx_stats->pkts += tx_stats.pkts;
nic_tx_stats->tx_busy += tx_stats.tx_busy;
nic_tx_stats->tx_wake += tx_stats.tx_wake;
nic_tx_stats->tx_dropped += tx_stats.tx_dropped;
nic_tx_stats->big_frags_pkts += tx_stats.big_frags_pkts;
u64_stats_update_end(&nic_tx_stats->syncp);
hinic_txq_clean_stats(txq);
}
static void update_nic_stats(struct hinic_dev *nic_dev)
{
int i, num_qps = hinic_hwdev_num_qps(nic_dev->hwdev);
for (i = 0; i < num_qps; i++)
update_rx_stats(nic_dev, &nic_dev->rxqs[i]);
for (i = 0; i < num_qps; i++)
update_tx_stats(nic_dev, &nic_dev->txqs[i]);
}
/**
* create_txqs - Create the Logical Tx Queues of specific NIC device
* @nic_dev: the specific NIC device
*
* Return 0 - Success, negative - Failure
**/
static int create_txqs(struct hinic_dev *nic_dev)
{
int err, i, j, num_txqs = hinic_hwdev_num_qps(nic_dev->hwdev);
struct net_device *netdev = nic_dev->netdev;
if (nic_dev->txqs)
return -EINVAL;
nic_dev->txqs = devm_kcalloc(&netdev->dev, num_txqs,
sizeof(*nic_dev->txqs), GFP_KERNEL);
if (!nic_dev->txqs)
return -ENOMEM;
hinic_sq_dbgfs_init(nic_dev);
for (i = 0; i < num_txqs; i++) {
struct hinic_sq *sq = hinic_hwdev_get_sq(nic_dev->hwdev, i);
err = hinic_init_txq(&nic_dev->txqs[i], sq, netdev);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to init Txq\n");
goto err_init_txq;
}
err = hinic_sq_debug_add(nic_dev, i);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to add SQ%d debug\n", i);
goto err_add_sq_dbg;
}
}
return 0;
err_add_sq_dbg:
hinic_clean_txq(&nic_dev->txqs[i]);
err_init_txq:
for (j = 0; j < i; j++) {
hinic_sq_debug_rem(nic_dev->txqs[j].sq);
hinic_clean_txq(&nic_dev->txqs[j]);
}
hinic_sq_dbgfs_uninit(nic_dev);
devm_kfree(&netdev->dev, nic_dev->txqs);
return err;
}
static void enable_txqs_napi(struct hinic_dev *nic_dev)
{
int num_txqs = hinic_hwdev_num_qps(nic_dev->hwdev);
int i;
for (i = 0; i < num_txqs; i++)
napi_enable(&nic_dev->txqs[i].napi);
}
static void disable_txqs_napi(struct hinic_dev *nic_dev)
{
int num_txqs = hinic_hwdev_num_qps(nic_dev->hwdev);
int i;
for (i = 0; i < num_txqs; i++)
napi_disable(&nic_dev->txqs[i].napi);
}
/**
* free_txqs - Free the Logical Tx Queues of specific NIC device
* @nic_dev: the specific NIC device
**/
static void free_txqs(struct hinic_dev *nic_dev)
{
int i, num_txqs = hinic_hwdev_num_qps(nic_dev->hwdev);
struct net_device *netdev = nic_dev->netdev;
if (!nic_dev->txqs)
return;
for (i = 0; i < num_txqs; i++) {
hinic_sq_debug_rem(nic_dev->txqs[i].sq);
hinic_clean_txq(&nic_dev->txqs[i]);
}
hinic_sq_dbgfs_uninit(nic_dev);
devm_kfree(&netdev->dev, nic_dev->txqs);
nic_dev->txqs = NULL;
}
/**
* create_rxqs - Create the Logical Rx Queues of specific NIC device
* @nic_dev: the specific NIC device
*
* Return 0 - Success, negative - Failure
**/
static int create_rxqs(struct hinic_dev *nic_dev)
{
int err, i, j, num_rxqs = hinic_hwdev_num_qps(nic_dev->hwdev);
struct net_device *netdev = nic_dev->netdev;
if (nic_dev->rxqs)
return -EINVAL;
nic_dev->rxqs = devm_kcalloc(&netdev->dev, num_rxqs,
sizeof(*nic_dev->rxqs), GFP_KERNEL);
if (!nic_dev->rxqs)
return -ENOMEM;
hinic_rq_dbgfs_init(nic_dev);
for (i = 0; i < num_rxqs; i++) {
struct hinic_rq *rq = hinic_hwdev_get_rq(nic_dev->hwdev, i);
err = hinic_init_rxq(&nic_dev->rxqs[i], rq, netdev);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to init rxq\n");
goto err_init_rxq;
}
err = hinic_rq_debug_add(nic_dev, i);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to add RQ%d debug\n", i);
goto err_add_rq_dbg;
}
}
return 0;
err_add_rq_dbg:
hinic_clean_rxq(&nic_dev->rxqs[i]);
err_init_rxq:
for (j = 0; j < i; j++) {
hinic_rq_debug_rem(nic_dev->rxqs[j].rq);
hinic_clean_rxq(&nic_dev->rxqs[j]);
}
hinic_rq_dbgfs_uninit(nic_dev);
devm_kfree(&netdev->dev, nic_dev->rxqs);
return err;
}
/**
* free_rxqs - Free the Logical Rx Queues of specific NIC device
* @nic_dev: the specific NIC device
**/
static void free_rxqs(struct hinic_dev *nic_dev)
{
int i, num_rxqs = hinic_hwdev_num_qps(nic_dev->hwdev);
struct net_device *netdev = nic_dev->netdev;
if (!nic_dev->rxqs)
return;
for (i = 0; i < num_rxqs; i++) {
hinic_rq_debug_rem(nic_dev->rxqs[i].rq);
hinic_clean_rxq(&nic_dev->rxqs[i]);
}
hinic_rq_dbgfs_uninit(nic_dev);
devm_kfree(&netdev->dev, nic_dev->rxqs);
nic_dev->rxqs = NULL;
}
static int hinic_configure_max_qnum(struct hinic_dev *nic_dev)
{
return hinic_set_max_qnum(nic_dev, nic_dev->hwdev->nic_cap.max_qps);
}
static int hinic_rss_init(struct hinic_dev *nic_dev)
{
u8 default_rss_key[HINIC_RSS_KEY_SIZE];
u8 tmpl_idx = nic_dev->rss_tmpl_idx;
u32 *indir_tbl;
int err, i;
indir_tbl = kcalloc(HINIC_RSS_INDIR_SIZE, sizeof(u32), GFP_KERNEL);
if (!indir_tbl)
return -ENOMEM;
netdev_rss_key_fill(default_rss_key, sizeof(default_rss_key));
for (i = 0; i < HINIC_RSS_INDIR_SIZE; i++)
indir_tbl[i] = ethtool_rxfh_indir_default(i, nic_dev->num_rss);
err = hinic_rss_set_template_tbl(nic_dev, tmpl_idx, default_rss_key);
if (err)
goto out;
err = hinic_rss_set_indir_tbl(nic_dev, tmpl_idx, indir_tbl);
if (err)
goto out;
err = hinic_set_rss_type(nic_dev, tmpl_idx, nic_dev->rss_type);
if (err)
goto out;
err = hinic_rss_set_hash_engine(nic_dev, tmpl_idx,
nic_dev->rss_hash_engine);
if (err)
goto out;
err = hinic_rss_cfg(nic_dev, 1, tmpl_idx);
if (err)
goto out;
out:
kfree(indir_tbl);
return err;
}
static void hinic_rss_deinit(struct hinic_dev *nic_dev)
{
hinic_rss_cfg(nic_dev, 0, nic_dev->rss_tmpl_idx);
}
static void hinic_init_rss_parameters(struct hinic_dev *nic_dev)
{
nic_dev->rss_hash_engine = HINIC_RSS_HASH_ENGINE_TYPE_XOR;
nic_dev->rss_type.tcp_ipv6_ext = 1;
nic_dev->rss_type.ipv6_ext = 1;
nic_dev->rss_type.tcp_ipv6 = 1;
nic_dev->rss_type.ipv6 = 1;
nic_dev->rss_type.tcp_ipv4 = 1;
nic_dev->rss_type.ipv4 = 1;
nic_dev->rss_type.udp_ipv6 = 1;
nic_dev->rss_type.udp_ipv4 = 1;
}
static void hinic_enable_rss(struct hinic_dev *nic_dev)
{
struct net_device *netdev = nic_dev->netdev;
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
int i, node, err = 0;
u16 num_cpus = 0;
if (nic_dev->max_qps <= 1) {
nic_dev->flags &= ~HINIC_RSS_ENABLE;
nic_dev->rss_limit = nic_dev->max_qps;
nic_dev->num_qps = nic_dev->max_qps;
nic_dev->num_rss = nic_dev->max_qps;
return;
}
err = hinic_rss_template_alloc(nic_dev, &nic_dev->rss_tmpl_idx);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to alloc tmpl_idx for rss, can't enable rss for this function\n");
nic_dev->flags &= ~HINIC_RSS_ENABLE;
nic_dev->max_qps = 1;
nic_dev->rss_limit = nic_dev->max_qps;
nic_dev->num_qps = nic_dev->max_qps;
nic_dev->num_rss = nic_dev->max_qps;
return;
}
nic_dev->flags |= HINIC_RSS_ENABLE;
for (i = 0; i < num_online_cpus(); i++) {
node = cpu_to_node(i);
if (node == dev_to_node(&pdev->dev))
num_cpus++;
}
if (!num_cpus)
num_cpus = num_online_cpus();
nic_dev->num_qps = hinic_hwdev_num_qps(hwdev);
nic_dev->num_qps = min_t(u16, nic_dev->num_qps, num_cpus);
nic_dev->rss_limit = nic_dev->num_qps;
nic_dev->num_rss = nic_dev->num_qps;
hinic_init_rss_parameters(nic_dev);
err = hinic_rss_init(nic_dev);
if (err)
netif_err(nic_dev, drv, netdev, "Failed to init rss\n");
}
int hinic_open(struct net_device *netdev)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
enum hinic_port_link_state link_state;
int err, ret;
if (!(nic_dev->flags & HINIC_INTF_UP)) {
err = hinic_hwdev_ifup(nic_dev->hwdev, nic_dev->sq_depth,
nic_dev->rq_depth);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed - HW interface up\n");
return err;
}
}
err = create_txqs(nic_dev);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to create Tx queues\n");
goto err_create_txqs;
}
enable_txqs_napi(nic_dev);
err = create_rxqs(nic_dev);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to create Rx queues\n");
goto err_create_rxqs;
}
hinic_enable_rss(nic_dev);
err = hinic_configure_max_qnum(nic_dev);
if (err) {
netif_err(nic_dev, drv, nic_dev->netdev,
"Failed to configure the maximum number of queues\n");
goto err_port_state;
}
netif_set_real_num_tx_queues(netdev, nic_dev->num_qps);
netif_set_real_num_rx_queues(netdev, nic_dev->num_qps);
err = hinic_port_set_state(nic_dev, HINIC_PORT_ENABLE);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to set port state\n");
goto err_port_state;
}
err = hinic_port_set_func_state(nic_dev, HINIC_FUNC_PORT_ENABLE);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to set func port state\n");
goto err_func_port_state;
}
down(&nic_dev->mgmt_lock);
err = hinic_port_link_state(nic_dev, &link_state);
if (err) {
netif_err(nic_dev, drv, netdev, "Failed to get link state\n");
goto err_port_link;
}
if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
hinic_notify_all_vfs_link_changed(nic_dev->hwdev, link_state);
if (link_state == HINIC_LINK_STATE_UP) {
nic_dev->flags |= HINIC_LINK_UP;
nic_dev->cable_unplugged = false;
nic_dev->module_unrecognized = false;
}
nic_dev->flags |= HINIC_INTF_UP;
if ((nic_dev->flags & (HINIC_LINK_UP | HINIC_INTF_UP)) ==
(HINIC_LINK_UP | HINIC_INTF_UP)) {
netif_info(nic_dev, drv, netdev, "link + intf UP\n");
netif_carrier_on(netdev);
netif_tx_wake_all_queues(netdev);
}
up(&nic_dev->mgmt_lock);
netif_info(nic_dev, drv, netdev, "HINIC_INTF is UP\n");
return 0;
err_port_link:
up(&nic_dev->mgmt_lock);
ret = hinic_port_set_func_state(nic_dev, HINIC_FUNC_PORT_DISABLE);
if (ret)
netif_warn(nic_dev, drv, netdev,
"Failed to revert func port state\n");
err_func_port_state:
ret = hinic_port_set_state(nic_dev, HINIC_PORT_DISABLE);
if (ret)
netif_warn(nic_dev, drv, netdev,
"Failed to revert port state\n");
err_port_state:
free_rxqs(nic_dev);
if (nic_dev->flags & HINIC_RSS_ENABLE) {
hinic_rss_deinit(nic_dev);
hinic_rss_template_free(nic_dev, nic_dev->rss_tmpl_idx);
}
err_create_rxqs:
disable_txqs_napi(nic_dev);
free_txqs(nic_dev);
err_create_txqs:
if (!(nic_dev->flags & HINIC_INTF_UP))
hinic_hwdev_ifdown(nic_dev->hwdev);
return err;
}
int hinic_close(struct net_device *netdev)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
unsigned int flags;
/* Disable txq napi firstly to aviod rewaking txq in free_tx_poll */
disable_txqs_napi(nic_dev);
down(&nic_dev->mgmt_lock);
flags = nic_dev->flags;
nic_dev->flags &= ~HINIC_INTF_UP;
netif_carrier_off(netdev);
netif_tx_disable(netdev);
update_nic_stats(nic_dev);
up(&nic_dev->mgmt_lock);
if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
hinic_notify_all_vfs_link_changed(nic_dev->hwdev, 0);
hinic_port_set_state(nic_dev, HINIC_PORT_DISABLE);
hinic_port_set_func_state(nic_dev, HINIC_FUNC_PORT_DISABLE);
if (nic_dev->flags & HINIC_RSS_ENABLE) {
hinic_rss_deinit(nic_dev);
hinic_rss_template_free(nic_dev, nic_dev->rss_tmpl_idx);
}
free_rxqs(nic_dev);
free_txqs(nic_dev);
if (flags & HINIC_INTF_UP)
hinic_hwdev_ifdown(nic_dev->hwdev);
netif_info(nic_dev, drv, netdev, "HINIC_INTF is DOWN\n");
return 0;
}
static int hinic_change_mtu(struct net_device *netdev, int new_mtu)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
int err;
netif_info(nic_dev, drv, netdev, "set_mtu = %d\n", new_mtu);
err = hinic_port_set_mtu(nic_dev, new_mtu);
if (err)
netif_err(nic_dev, drv, netdev, "Failed to set port mtu\n");
else
netdev->mtu = new_mtu;
return err;
}
/**
* change_mac_addr - change the main mac address of network device
* @netdev: network device
* @addr: mac address to set
*
* Return 0 - Success, negative - Failure
**/
static int change_mac_addr(struct net_device *netdev, const u8 *addr)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
u16 vid = 0;
int err;
if (!is_valid_ether_addr(addr))
return -EADDRNOTAVAIL;
netif_info(nic_dev, drv, netdev, "change mac addr = %02x %02x %02x %02x %02x %02x\n",
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
down(&nic_dev->mgmt_lock);
do {
err = hinic_port_del_mac(nic_dev, netdev->dev_addr, vid);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to delete mac\n");
break;
}
err = hinic_port_add_mac(nic_dev, addr, vid);
if (err) {
netif_err(nic_dev, drv, netdev, "Failed to add mac\n");
break;
}
vid = find_next_bit(nic_dev->vlan_bitmap, VLAN_N_VID, vid + 1);
} while (vid != VLAN_N_VID);
up(&nic_dev->mgmt_lock);
return err;
}
static int hinic_set_mac_addr(struct net_device *netdev, void *addr)
{
unsigned char new_mac[ETH_ALEN];
struct sockaddr *saddr = addr;
int err;
memcpy(new_mac, saddr->sa_data, ETH_ALEN);
err = change_mac_addr(netdev, new_mac);
if (!err)
eth_hw_addr_set(netdev, new_mac);
return err;
}
/**
* add_mac_addr - add mac address to network device
* @netdev: network device
* @addr: mac address to add
*
* Return 0 - Success, negative - Failure
**/
static int add_mac_addr(struct net_device *netdev, const u8 *addr)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
u16 vid = 0;
int err;
netif_info(nic_dev, drv, netdev, "set mac addr = %02x %02x %02x %02x %02x %02x\n",
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
down(&nic_dev->mgmt_lock);
do {
err = hinic_port_add_mac(nic_dev, addr, vid);
if (err) {
netif_err(nic_dev, drv, netdev, "Failed to add mac\n");
break;
}
vid = find_next_bit(nic_dev->vlan_bitmap, VLAN_N_VID, vid + 1);
} while (vid != VLAN_N_VID);
up(&nic_dev->mgmt_lock);
return err;
}
/**
* remove_mac_addr - remove mac address from network device
* @netdev: network device
* @addr: mac address to remove
*
* Return 0 - Success, negative - Failure
**/
static int remove_mac_addr(struct net_device *netdev, const u8 *addr)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
u16 vid = 0;
int err;
if (!is_valid_ether_addr(addr))
return -EADDRNOTAVAIL;
netif_info(nic_dev, drv, netdev, "remove mac addr = %02x %02x %02x %02x %02x %02x\n",
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
down(&nic_dev->mgmt_lock);
do {
err = hinic_port_del_mac(nic_dev, addr, vid);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed to delete mac\n");
break;
}
vid = find_next_bit(nic_dev->vlan_bitmap, VLAN_N_VID, vid + 1);
} while (vid != VLAN_N_VID);
up(&nic_dev->mgmt_lock);
return err;
}
static int hinic_vlan_rx_add_vid(struct net_device *netdev,
__always_unused __be16 proto, u16 vid)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
int ret, err;
netif_info(nic_dev, drv, netdev, "add vid = %d\n", vid);
down(&nic_dev->mgmt_lock);
err = hinic_port_add_vlan(nic_dev, vid);
if (err) {
netif_err(nic_dev, drv, netdev, "Failed to add vlan\n");
goto err_vlan_add;
}
err = hinic_port_add_mac(nic_dev, netdev->dev_addr, vid);
if (err && err != HINIC_PF_SET_VF_ALREADY) {
netif_err(nic_dev, drv, netdev, "Failed to set mac\n");
goto err_add_mac;
}
bitmap_set(nic_dev->vlan_bitmap, vid, 1);
up(&nic_dev->mgmt_lock);
return 0;
err_add_mac:
ret = hinic_port_del_vlan(nic_dev, vid);
if (ret)
netif_err(nic_dev, drv, netdev,
"Failed to revert by removing vlan\n");
err_vlan_add:
up(&nic_dev->mgmt_lock);
return err;
}
static int hinic_vlan_rx_kill_vid(struct net_device *netdev,
__always_unused __be16 proto, u16 vid)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
int err;
netif_info(nic_dev, drv, netdev, "remove vid = %d\n", vid);
down(&nic_dev->mgmt_lock);
err = hinic_port_del_vlan(nic_dev, vid);
if (err) {
netif_err(nic_dev, drv, netdev, "Failed to delete vlan\n");
goto err_del_vlan;
}
bitmap_clear(nic_dev->vlan_bitmap, vid, 1);
up(&nic_dev->mgmt_lock);
return 0;
err_del_vlan:
up(&nic_dev->mgmt_lock);
return err;
}
static void set_rx_mode(struct work_struct *work)
{
struct hinic_rx_mode_work *rx_mode_work = work_to_rx_mode_work(work);
struct hinic_dev *nic_dev = rx_mode_work_to_nic_dev(rx_mode_work);
hinic_port_set_rx_mode(nic_dev, rx_mode_work->rx_mode);
__dev_uc_sync(nic_dev->netdev, add_mac_addr, remove_mac_addr);
__dev_mc_sync(nic_dev->netdev, add_mac_addr, remove_mac_addr);
}
static void hinic_set_rx_mode(struct net_device *netdev)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_rx_mode_work *rx_mode_work;
u32 rx_mode;
rx_mode_work = &nic_dev->rx_mode_work;
rx_mode = HINIC_RX_MODE_UC |
HINIC_RX_MODE_MC |
HINIC_RX_MODE_BC;
if (netdev->flags & IFF_PROMISC) {
if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
rx_mode |= HINIC_RX_MODE_PROMISC;
} else if (netdev->flags & IFF_ALLMULTI) {
rx_mode |= HINIC_RX_MODE_MC_ALL;
}
rx_mode_work->rx_mode = rx_mode;
queue_work(nic_dev->workq, &rx_mode_work->work);
}
static void hinic_tx_timeout(struct net_device *netdev, unsigned int txqueue)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
u16 sw_pi, hw_ci, sw_ci;
struct hinic_sq *sq;
u16 num_sqs, q_id;
num_sqs = hinic_hwdev_num_qps(nic_dev->hwdev);
netif_err(nic_dev, drv, netdev, "Tx timeout\n");
for (q_id = 0; q_id < num_sqs; q_id++) {
if (!netif_xmit_stopped(netdev_get_tx_queue(netdev, q_id)))
continue;
sq = hinic_hwdev_get_sq(nic_dev->hwdev, q_id);
sw_pi = atomic_read(&sq->wq->prod_idx) & sq->wq->mask;
hw_ci = be16_to_cpu(*(u16 *)(sq->hw_ci_addr)) & sq->wq->mask;
sw_ci = atomic_read(&sq->wq->cons_idx) & sq->wq->mask;
netif_err(nic_dev, drv, netdev, "Txq%d: sw_pi: %d, hw_ci: %d, sw_ci: %d, napi->state: 0x%lx\n",
q_id, sw_pi, hw_ci, sw_ci,
nic_dev->txqs[q_id].napi.state);
}
}
static void hinic_get_stats64(struct net_device *netdev,
struct rtnl_link_stats64 *stats)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_rxq_stats *nic_rx_stats;
struct hinic_txq_stats *nic_tx_stats;
nic_rx_stats = &nic_dev->rx_stats;
nic_tx_stats = &nic_dev->tx_stats;
down(&nic_dev->mgmt_lock);
if (nic_dev->flags & HINIC_INTF_UP)
update_nic_stats(nic_dev);
up(&nic_dev->mgmt_lock);
stats->rx_bytes = nic_rx_stats->bytes;
stats->rx_packets = nic_rx_stats->pkts;
stats->rx_errors = nic_rx_stats->errors;
stats->tx_bytes = nic_tx_stats->bytes;
stats->tx_packets = nic_tx_stats->pkts;
stats->tx_errors = nic_tx_stats->tx_dropped;
}
static int hinic_set_features(struct net_device *netdev,
netdev_features_t features)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
return set_features(nic_dev, nic_dev->netdev->features,
features, false);
}
static netdev_features_t hinic_fix_features(struct net_device *netdev,
netdev_features_t features)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
/* If Rx checksum is disabled, then LRO should also be disabled */
if (!(features & NETIF_F_RXCSUM)) {
netif_info(nic_dev, drv, netdev, "disabling LRO as RXCSUM is off\n");
features &= ~NETIF_F_LRO;
}
return features;
}
static const struct net_device_ops hinic_netdev_ops = {
.ndo_open = hinic_open,
.ndo_stop = hinic_close,
.ndo_change_mtu = hinic_change_mtu,
.ndo_set_mac_address = hinic_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_vlan_rx_add_vid = hinic_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = hinic_vlan_rx_kill_vid,
.ndo_set_rx_mode = hinic_set_rx_mode,
.ndo_start_xmit = hinic_xmit_frame,
.ndo_tx_timeout = hinic_tx_timeout,
.ndo_get_stats64 = hinic_get_stats64,
.ndo_fix_features = hinic_fix_features,
.ndo_set_features = hinic_set_features,
.ndo_set_vf_mac = hinic_ndo_set_vf_mac,
.ndo_set_vf_vlan = hinic_ndo_set_vf_vlan,
.ndo_get_vf_config = hinic_ndo_get_vf_config,
.ndo_set_vf_trust = hinic_ndo_set_vf_trust,
.ndo_set_vf_rate = hinic_ndo_set_vf_bw,
.ndo_set_vf_spoofchk = hinic_ndo_set_vf_spoofchk,
.ndo_set_vf_link_state = hinic_ndo_set_vf_link_state,
};
static const struct net_device_ops hinicvf_netdev_ops = {
.ndo_open = hinic_open,
.ndo_stop = hinic_close,
.ndo_change_mtu = hinic_change_mtu,
.ndo_set_mac_address = hinic_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_vlan_rx_add_vid = hinic_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = hinic_vlan_rx_kill_vid,
.ndo_set_rx_mode = hinic_set_rx_mode,
.ndo_start_xmit = hinic_xmit_frame,
.ndo_tx_timeout = hinic_tx_timeout,
.ndo_get_stats64 = hinic_get_stats64,
.ndo_fix_features = hinic_fix_features,
.ndo_set_features = hinic_set_features,
};
static void netdev_features_init(struct net_device *netdev)
{
netdev->hw_features = NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM |
NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6 |
NETIF_F_RXCSUM | NETIF_F_LRO |
NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_UDP_TUNNEL_CSUM;
netdev->vlan_features = netdev->hw_features;
netdev->features = netdev->hw_features | NETIF_F_HW_VLAN_CTAG_FILTER;
netdev->hw_enc_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SCTP_CRC |
NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN |
NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_UDP_TUNNEL;
}
static void hinic_refresh_nic_cfg(struct hinic_dev *nic_dev)
{
struct hinic_nic_cfg *nic_cfg = &nic_dev->hwdev->func_to_io.nic_cfg;
struct hinic_pause_config pause_info = {0};
struct hinic_port_cap port_cap = {0};
if (hinic_port_get_cap(nic_dev, &port_cap))
return;
mutex_lock(&nic_cfg->cfg_mutex);
if (nic_cfg->pause_set || !port_cap.autoneg_state) {
nic_cfg->auto_neg = port_cap.autoneg_state;
pause_info.auto_neg = nic_cfg->auto_neg;
pause_info.rx_pause = nic_cfg->rx_pause;
pause_info.tx_pause = nic_cfg->tx_pause;
hinic_set_hw_pause_info(nic_dev->hwdev, &pause_info);
}
mutex_unlock(&nic_cfg->cfg_mutex);
}
/**
* link_status_event_handler - link event handler
* @handle: nic device for the handler
* @buf_in: input buffer
* @in_size: input size
* @buf_out: output buffer
* @out_size: returned output size
*
* Return 0 - Success, negative - Failure
**/
static void link_status_event_handler(void *handle, void *buf_in, u16 in_size,
void *buf_out, u16 *out_size)
{
struct hinic_port_link_status *link_status, *ret_link_status;
struct hinic_dev *nic_dev = handle;
link_status = buf_in;
if (link_status->link == HINIC_LINK_STATE_UP) {
down(&nic_dev->mgmt_lock);
nic_dev->flags |= HINIC_LINK_UP;
nic_dev->cable_unplugged = false;
nic_dev->module_unrecognized = false;
if ((nic_dev->flags & (HINIC_LINK_UP | HINIC_INTF_UP)) ==
(HINIC_LINK_UP | HINIC_INTF_UP)) {
netif_carrier_on(nic_dev->netdev);
netif_tx_wake_all_queues(nic_dev->netdev);
}
up(&nic_dev->mgmt_lock);
if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
hinic_refresh_nic_cfg(nic_dev);
netif_info(nic_dev, drv, nic_dev->netdev, "HINIC_Link is UP\n");
} else {
down(&nic_dev->mgmt_lock);
nic_dev->flags &= ~HINIC_LINK_UP;
netif_carrier_off(nic_dev->netdev);
netif_tx_disable(nic_dev->netdev);
up(&nic_dev->mgmt_lock);
netif_info(nic_dev, drv, nic_dev->netdev, "HINIC_Link is DOWN\n");
}
if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
hinic_notify_all_vfs_link_changed(nic_dev->hwdev,
link_status->link);
ret_link_status = buf_out;
ret_link_status->status = 0;
*out_size = sizeof(*ret_link_status);
}
static void cable_plug_event(void *handle,
void *buf_in, u16 in_size,
void *buf_out, u16 *out_size)
{
struct hinic_cable_plug_event *plug_event = buf_in;
struct hinic_dev *nic_dev = handle;
nic_dev->cable_unplugged = plug_event->plugged ? false : true;
*out_size = sizeof(*plug_event);
plug_event = buf_out;
plug_event->status = 0;
}
static void link_err_event(void *handle,
void *buf_in, u16 in_size,
void *buf_out, u16 *out_size)
{
struct hinic_link_err_event *link_err = buf_in;
struct hinic_dev *nic_dev = handle;
if (link_err->err_type >= LINK_ERR_NUM)
netif_info(nic_dev, link, nic_dev->netdev,
"Link failed, Unknown error type: 0x%x\n",
link_err->err_type);
else
nic_dev->module_unrecognized = true;
*out_size = sizeof(*link_err);
link_err = buf_out;
link_err->status = 0;
}
static int set_features(struct hinic_dev *nic_dev,
netdev_features_t pre_features,
netdev_features_t features, bool force_change)
{
netdev_features_t changed = force_change ? ~0 : pre_features ^ features;
u32 csum_en = HINIC_RX_CSUM_OFFLOAD_EN;
netdev_features_t failed_features = 0;
int ret = 0;
int err = 0;
if (changed & NETIF_F_TSO) {
ret = hinic_port_set_tso(nic_dev, (features & NETIF_F_TSO) ?
HINIC_TSO_ENABLE : HINIC_TSO_DISABLE);
if (ret) {
err = ret;
failed_features |= NETIF_F_TSO;
}
}
if (changed & NETIF_F_RXCSUM) {
ret = hinic_set_rx_csum_offload(nic_dev, csum_en);
if (ret) {
err = ret;
failed_features |= NETIF_F_RXCSUM;
}
}
if (changed & NETIF_F_LRO) {
ret = hinic_set_rx_lro_state(nic_dev,
!!(features & NETIF_F_LRO),
HINIC_LRO_RX_TIMER_DEFAULT,
HINIC_LRO_MAX_WQE_NUM_DEFAULT);
if (ret) {
err = ret;
failed_features |= NETIF_F_LRO;
}
}
if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
ret = hinic_set_rx_vlan_offload(nic_dev,
!!(features &
NETIF_F_HW_VLAN_CTAG_RX));
if (ret) {
err = ret;
failed_features |= NETIF_F_HW_VLAN_CTAG_RX;
}
}
if (err) {
nic_dev->netdev->features = features ^ failed_features;
return -EIO;
}
return 0;
}
static int hinic_init_intr_coalesce(struct hinic_dev *nic_dev)
{
u64 size;
u16 i;
size = sizeof(struct hinic_intr_coal_info) * nic_dev->max_qps;
nic_dev->rx_intr_coalesce = kzalloc(size, GFP_KERNEL);
if (!nic_dev->rx_intr_coalesce)
return -ENOMEM;
nic_dev->tx_intr_coalesce = kzalloc(size, GFP_KERNEL);
if (!nic_dev->tx_intr_coalesce) {
kfree(nic_dev->rx_intr_coalesce);
return -ENOMEM;
}
for (i = 0; i < nic_dev->max_qps; i++) {
nic_dev->rx_intr_coalesce[i].pending_limt =
HINIC_DEAULT_TXRX_MSIX_PENDING_LIMIT;
nic_dev->rx_intr_coalesce[i].coalesce_timer_cfg =
HINIC_DEAULT_TXRX_MSIX_COALESC_TIMER_CFG;
nic_dev->rx_intr_coalesce[i].resend_timer_cfg =
HINIC_DEAULT_TXRX_MSIX_RESEND_TIMER_CFG;
nic_dev->tx_intr_coalesce[i].pending_limt =
HINIC_DEAULT_TXRX_MSIX_PENDING_LIMIT;
nic_dev->tx_intr_coalesce[i].coalesce_timer_cfg =
HINIC_DEAULT_TXRX_MSIX_COALESC_TIMER_CFG;
nic_dev->tx_intr_coalesce[i].resend_timer_cfg =
HINIC_DEAULT_TXRX_MSIX_RESEND_TIMER_CFG;
}
return 0;
}
static void hinic_free_intr_coalesce(struct hinic_dev *nic_dev)
{
kfree(nic_dev->tx_intr_coalesce);
kfree(nic_dev->rx_intr_coalesce);
}
/**
* nic_dev_init - Initialize the NIC device
* @pdev: the NIC pci device
*
* Return 0 - Success, negative - Failure
**/
static int nic_dev_init(struct pci_dev *pdev)
{
struct hinic_rx_mode_work *rx_mode_work;
struct hinic_txq_stats *tx_stats;
struct hinic_rxq_stats *rx_stats;
struct hinic_dev *nic_dev;
struct net_device *netdev;
struct hinic_hwdev *hwdev;
struct devlink *devlink;
u8 addr[ETH_ALEN];
int err, num_qps;
devlink = hinic_devlink_alloc(&pdev->dev);
if (!devlink) {
dev_err(&pdev->dev, "Hinic devlink alloc failed\n");
return -ENOMEM;
}
hwdev = hinic_init_hwdev(pdev, devlink);
if (IS_ERR(hwdev)) {
dev_err(&pdev->dev, "Failed to initialize HW device\n");
hinic_devlink_free(devlink);
return PTR_ERR(hwdev);
}
num_qps = hinic_hwdev_num_qps(hwdev);
if (num_qps <= 0) {
dev_err(&pdev->dev, "Invalid number of QPS\n");
err = -EINVAL;
goto err_num_qps;
}
netdev = alloc_etherdev_mq(sizeof(*nic_dev), num_qps);
if (!netdev) {
dev_err(&pdev->dev, "Failed to allocate Ethernet device\n");
err = -ENOMEM;
goto err_alloc_etherdev;
}
if (!HINIC_IS_VF(hwdev->hwif))
netdev->netdev_ops = &hinic_netdev_ops;
else
netdev->netdev_ops = &hinicvf_netdev_ops;
netdev->max_mtu = ETH_MAX_MTU;
nic_dev = netdev_priv(netdev);
nic_dev->netdev = netdev;
nic_dev->hwdev = hwdev;
nic_dev->msg_enable = MSG_ENABLE_DEFAULT;
nic_dev->flags = 0;
nic_dev->txqs = NULL;
nic_dev->rxqs = NULL;
nic_dev->tx_weight = tx_weight;
nic_dev->rx_weight = rx_weight;
nic_dev->sq_depth = HINIC_SQ_DEPTH;
nic_dev->rq_depth = HINIC_RQ_DEPTH;
nic_dev->sriov_info.hwdev = hwdev;
nic_dev->sriov_info.pdev = pdev;
nic_dev->max_qps = num_qps;
nic_dev->devlink = devlink;
hinic_set_ethtool_ops(netdev);
sema_init(&nic_dev->mgmt_lock, 1);
tx_stats = &nic_dev->tx_stats;
rx_stats = &nic_dev->rx_stats;
u64_stats_init(&tx_stats->syncp);
u64_stats_init(&rx_stats->syncp);
nic_dev->vlan_bitmap = devm_kzalloc(&pdev->dev,
VLAN_BITMAP_SIZE(nic_dev),
GFP_KERNEL);
if (!nic_dev->vlan_bitmap) {
err = -ENOMEM;
goto err_vlan_bitmap;
}
nic_dev->workq = create_singlethread_workqueue(HINIC_WQ_NAME);
if (!nic_dev->workq) {
err = -ENOMEM;
goto err_workq;
}
pci_set_drvdata(pdev, netdev);
err = hinic_port_get_mac(nic_dev, addr);
if (err) {
dev_err(&pdev->dev, "Failed to get mac address\n");
goto err_get_mac;
}
eth_hw_addr_set(netdev, addr);
if (!is_valid_ether_addr(netdev->dev_addr)) {
if (!HINIC_IS_VF(nic_dev->hwdev->hwif)) {
dev_err(&pdev->dev, "Invalid MAC address\n");
err = -EIO;
goto err_add_mac;
}
dev_info(&pdev->dev, "Invalid MAC address %pM, using random\n",
netdev->dev_addr);
eth_hw_addr_random(netdev);
}
err = hinic_port_add_mac(nic_dev, netdev->dev_addr, 0);
if (err && err != HINIC_PF_SET_VF_ALREADY) {
dev_err(&pdev->dev, "Failed to add mac\n");
goto err_add_mac;
}
err = hinic_port_set_mtu(nic_dev, netdev->mtu);
if (err) {
dev_err(&pdev->dev, "Failed to set mtu\n");
goto err_set_mtu;
}
rx_mode_work = &nic_dev->rx_mode_work;
INIT_WORK(&rx_mode_work->work, set_rx_mode);
netdev_features_init(netdev);
netif_carrier_off(netdev);
hinic_hwdev_cb_register(nic_dev->hwdev, HINIC_MGMT_MSG_CMD_LINK_STATUS,
nic_dev, link_status_event_handler);
hinic_hwdev_cb_register(nic_dev->hwdev,
HINIC_MGMT_MSG_CMD_CABLE_PLUG_EVENT,
nic_dev, cable_plug_event);
hinic_hwdev_cb_register(nic_dev->hwdev,
HINIC_MGMT_MSG_CMD_LINK_ERR_EVENT,
nic_dev, link_err_event);
err = set_features(nic_dev, 0, nic_dev->netdev->features, true);
if (err)
goto err_set_features;
/* enable pause and disable pfc by default */
err = hinic_dcb_set_pfc(nic_dev->hwdev, 0, 0);
if (err)
goto err_set_pfc;
SET_NETDEV_DEV(netdev, &pdev->dev);
err = hinic_init_intr_coalesce(nic_dev);
if (err) {
dev_err(&pdev->dev, "Failed to init_intr_coalesce\n");
goto err_init_intr;
}
hinic_dbg_init(nic_dev);
hinic_func_tbl_dbgfs_init(nic_dev);
err = hinic_func_table_debug_add(nic_dev);
if (err) {
dev_err(&pdev->dev, "Failed to add func_table debug\n");
goto err_add_func_table_dbg;
}
err = register_netdev(netdev);
if (err) {
dev_err(&pdev->dev, "Failed to register netdev\n");
goto err_reg_netdev;
}
return 0;
err_reg_netdev:
hinic_func_table_debug_rem(nic_dev);
err_add_func_table_dbg:
hinic_func_tbl_dbgfs_uninit(nic_dev);
hinic_dbg_uninit(nic_dev);
hinic_free_intr_coalesce(nic_dev);
err_init_intr:
err_set_pfc:
err_set_features:
hinic_hwdev_cb_unregister(nic_dev->hwdev,
HINIC_MGMT_MSG_CMD_LINK_ERR_EVENT);
hinic_hwdev_cb_unregister(nic_dev->hwdev,
HINIC_MGMT_MSG_CMD_CABLE_PLUG_EVENT);
hinic_hwdev_cb_unregister(nic_dev->hwdev,
HINIC_MGMT_MSG_CMD_LINK_STATUS);
cancel_work_sync(&rx_mode_work->work);
err_set_mtu:
hinic_port_del_mac(nic_dev, netdev->dev_addr, 0);
err_add_mac:
err_get_mac:
pci_set_drvdata(pdev, NULL);
destroy_workqueue(nic_dev->workq);
err_workq:
err_vlan_bitmap:
free_netdev(netdev);
err_alloc_etherdev:
err_num_qps:
hinic_free_hwdev(hwdev);
hinic_devlink_free(devlink);
return err;
}
static int hinic_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
int err = pci_enable_device(pdev);
if (err)
return dev_err_probe(&pdev->dev, err, "Failed to enable PCI device\n");
err = pci_request_regions(pdev, HINIC_DRV_NAME);
if (err) {
dev_err(&pdev->dev, "Failed to request PCI regions\n");
goto err_pci_regions;
}
pci_set_master(pdev);
err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
if (err) {
dev_err(&pdev->dev, "Failed to set DMA mask\n");
goto err_dma_mask;
}
err = nic_dev_init(pdev);
if (err) {
dev_err(&pdev->dev, "Failed to initialize NIC device\n");
goto err_nic_dev_init;
}
dev_info(&pdev->dev, "HiNIC driver - probed\n");
return 0;
err_nic_dev_init:
err_dma_mask:
pci_release_regions(pdev);
err_pci_regions:
pci_disable_device(pdev);
return err;
}
#define HINIC_WAIT_SRIOV_CFG_TIMEOUT 15000
static void wait_sriov_cfg_complete(struct hinic_dev *nic_dev)
{
struct hinic_sriov_info *sriov_info = &nic_dev->sriov_info;
u32 loop_cnt = 0;
set_bit(HINIC_FUNC_REMOVE, &sriov_info->state);
usleep_range(9900, 10000);
while (loop_cnt < HINIC_WAIT_SRIOV_CFG_TIMEOUT) {
if (!test_bit(HINIC_SRIOV_ENABLE, &sriov_info->state) &&
!test_bit(HINIC_SRIOV_DISABLE, &sriov_info->state))
return;
usleep_range(9900, 10000);
loop_cnt++;
}
}
static void hinic_remove(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct devlink *devlink = nic_dev->devlink;
struct hinic_rx_mode_work *rx_mode_work;
if (!HINIC_IS_VF(nic_dev->hwdev->hwif)) {
wait_sriov_cfg_complete(nic_dev);
hinic_pci_sriov_disable(pdev);
}
unregister_netdev(netdev);
hinic_func_table_debug_rem(nic_dev);
hinic_func_tbl_dbgfs_uninit(nic_dev);
hinic_dbg_uninit(nic_dev);
hinic_free_intr_coalesce(nic_dev);
hinic_port_del_mac(nic_dev, netdev->dev_addr, 0);
hinic_hwdev_cb_unregister(nic_dev->hwdev,
HINIC_MGMT_MSG_CMD_LINK_ERR_EVENT);
hinic_hwdev_cb_unregister(nic_dev->hwdev,
HINIC_MGMT_MSG_CMD_CABLE_PLUG_EVENT);
hinic_hwdev_cb_unregister(nic_dev->hwdev,
HINIC_MGMT_MSG_CMD_LINK_STATUS);
rx_mode_work = &nic_dev->rx_mode_work;
cancel_work_sync(&rx_mode_work->work);
pci_set_drvdata(pdev, NULL);
destroy_workqueue(nic_dev->workq);
hinic_free_hwdev(nic_dev->hwdev);
free_netdev(netdev);
hinic_devlink_free(devlink);
pci_release_regions(pdev);
pci_disable_device(pdev);
dev_info(&pdev->dev, "HiNIC driver - removed\n");
}
static void hinic_shutdown(struct pci_dev *pdev)
{
pci_disable_device(pdev);
}
static const struct pci_device_id hinic_pci_table[] = {
{ PCI_VDEVICE(HUAWEI, HINIC_DEV_ID_QUAD_PORT_25GE), 0},
{ PCI_VDEVICE(HUAWEI, HINIC_DEV_ID_DUAL_PORT_100GE), 0},
{ PCI_VDEVICE(HUAWEI, HINIC_DEV_ID_DUAL_PORT_100GE_MEZZ), 0},
{ PCI_VDEVICE(HUAWEI, HINIC_DEV_ID_QUAD_PORT_25GE_MEZZ), 0},
{ PCI_VDEVICE(HUAWEI, HINIC_DEV_ID_VF), 0},
{ 0, 0}
};
MODULE_DEVICE_TABLE(pci, hinic_pci_table);
static struct pci_driver hinic_driver = {
.name = HINIC_DRV_NAME,
.id_table = hinic_pci_table,
.probe = hinic_probe,
.remove = hinic_remove,
.shutdown = hinic_shutdown,
.sriov_configure = hinic_pci_sriov_configure,
};
static int __init hinic_module_init(void)
{
hinic_dbg_register_debugfs(HINIC_DRV_NAME);
return pci_register_driver(&hinic_driver);
}
static void __exit hinic_module_exit(void)
{
pci_unregister_driver(&hinic_driver);
hinic_dbg_unregister_debugfs();
}
module_init(hinic_module_init);
module_exit(hinic_module_exit);