#include <linux/etherdevice.h>
#include <linux/if_vlan.h>
#include <linux/netdevice.h>
#include <net/vxlan.h>
#include "hinic3_hwif.h"
#include "hinic3_nic_cfg.h"
#include "hinic3_nic_dev.h"
#include "hinic3_nic_io.h"
#include "hinic3_rss.h"
#include "hinic3_rx.h"
#include "hinic3_tx.h"
#define HINIC3_LRO_DEFAULT_COAL_PKT_SIZE 32
#define HINIC3_LRO_DEFAULT_TIME_LIMIT 16
#define VLAN_BITMAP_BITS_SIZE(nic_dev) (sizeof(*(nic_dev)->vlan_bitmap) * 8)
#define VID_LINE(nic_dev, vid) \
((vid) / VLAN_BITMAP_BITS_SIZE(nic_dev))
#define VID_COL(nic_dev, vid) \
((vid) & (VLAN_BITMAP_BITS_SIZE(nic_dev) - 1))
static u16 hinic3_qp_irq_change(struct net_device *netdev,
u16 dst_num_qp_irq)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct msix_entry *qps_msix_entries;
u16 resp_irq_num, irq_num_gap, i;
u16 idx;
int err;
qps_msix_entries = nic_dev->qps_msix_entries;
if (dst_num_qp_irq > nic_dev->num_qp_irq) {
irq_num_gap = dst_num_qp_irq - nic_dev->num_qp_irq;
err = hinic3_alloc_irqs(nic_dev->hwdev, irq_num_gap,
&qps_msix_entries[nic_dev->num_qp_irq],
&resp_irq_num);
if (err) {
netdev_err(netdev, "Failed to alloc irqs\n");
return nic_dev->num_qp_irq;
}
nic_dev->num_qp_irq += resp_irq_num;
} else if (dst_num_qp_irq < nic_dev->num_qp_irq) {
irq_num_gap = nic_dev->num_qp_irq - dst_num_qp_irq;
for (i = 0; i < irq_num_gap; i++) {
idx = (nic_dev->num_qp_irq - i) - 1;
hinic3_free_irq(nic_dev->hwdev,
qps_msix_entries[idx].vector);
qps_msix_entries[idx].vector = 0;
qps_msix_entries[idx].entry = 0;
}
nic_dev->num_qp_irq = dst_num_qp_irq;
}
return nic_dev->num_qp_irq;
}
static void hinic3_config_num_qps(struct net_device *netdev,
struct hinic3_dyna_txrxq_params *q_params)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
u16 alloc_num_irq, cur_num_irq;
u16 dst_num_irq;
if (!test_bit(HINIC3_RSS_ENABLE, &nic_dev->flags))
q_params->num_qps = 1;
if (nic_dev->num_qp_irq >= q_params->num_qps)
goto out;
cur_num_irq = nic_dev->num_qp_irq;
alloc_num_irq = hinic3_qp_irq_change(netdev, q_params->num_qps);
if (alloc_num_irq < q_params->num_qps) {
q_params->num_qps = alloc_num_irq;
netdev_warn(netdev, "Can not get enough irqs, adjust num_qps to %u\n",
q_params->num_qps);
dst_num_irq = max_t(u16, cur_num_irq, q_params->num_qps);
hinic3_qp_irq_change(netdev, dst_num_irq);
}
out:
netdev_dbg(netdev, "No need to change irqs, num_qps is %u\n",
q_params->num_qps);
}
static int hinic3_setup_num_qps(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
nic_dev->num_qp_irq = 0;
nic_dev->qps_msix_entries = kzalloc_objs(struct msix_entry,
nic_dev->max_qps);
if (!nic_dev->qps_msix_entries)
return -ENOMEM;
hinic3_config_num_qps(netdev, &nic_dev->q_params);
return 0;
}
static void hinic3_destroy_num_qps(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
u16 i;
for (i = 0; i < nic_dev->num_qp_irq; i++)
hinic3_free_irq(nic_dev->hwdev,
nic_dev->qps_msix_entries[i].vector);
kfree(nic_dev->qps_msix_entries);
}
static int hinic3_alloc_txrxq_resources(struct net_device *netdev,
struct hinic3_dyna_txrxq_params *q_params)
{
int err;
q_params->txqs_res = kzalloc_objs(*q_params->txqs_res,
q_params->num_qps);
if (!q_params->txqs_res)
return -ENOMEM;
q_params->rxqs_res = kzalloc_objs(*q_params->rxqs_res,
q_params->num_qps);
if (!q_params->rxqs_res) {
err = -ENOMEM;
goto err_free_txqs_res_arr;
}
q_params->irq_cfg = kzalloc_objs(*q_params->irq_cfg, q_params->num_qps);
if (!q_params->irq_cfg) {
err = -ENOMEM;
goto err_free_rxqs_res_arr;
}
err = hinic3_alloc_txqs_res(netdev, q_params->num_qps,
q_params->sq_depth, q_params->txqs_res);
if (err) {
netdev_err(netdev, "Failed to alloc txqs resource\n");
goto err_free_irq_cfg;
}
err = hinic3_alloc_rxqs_res(netdev, q_params->num_qps,
q_params->rq_depth, q_params->rxqs_res);
if (err) {
netdev_err(netdev, "Failed to alloc rxqs resource\n");
goto err_free_txqs_res;
}
return 0;
err_free_txqs_res:
hinic3_free_txqs_res(netdev, q_params->num_qps, q_params->sq_depth,
q_params->txqs_res);
err_free_irq_cfg:
kfree(q_params->irq_cfg);
q_params->irq_cfg = NULL;
err_free_rxqs_res_arr:
kfree(q_params->rxqs_res);
q_params->rxqs_res = NULL;
err_free_txqs_res_arr:
kfree(q_params->txqs_res);
q_params->txqs_res = NULL;
return err;
}
static void hinic3_free_txrxq_resources(struct net_device *netdev,
struct hinic3_dyna_txrxq_params *q_params)
{
hinic3_free_rxqs_res(netdev, q_params->num_qps, q_params->rq_depth,
q_params->rxqs_res);
hinic3_free_txqs_res(netdev, q_params->num_qps, q_params->sq_depth,
q_params->txqs_res);
kfree(q_params->irq_cfg);
q_params->irq_cfg = NULL;
kfree(q_params->rxqs_res);
q_params->rxqs_res = NULL;
kfree(q_params->txqs_res);
q_params->txqs_res = NULL;
}
static int hinic3_configure_txrxqs(struct net_device *netdev,
struct hinic3_dyna_txrxq_params *q_params)
{
int err;
err = hinic3_configure_txqs(netdev, q_params->num_qps,
q_params->sq_depth, q_params->txqs_res);
if (err) {
netdev_err(netdev, "Failed to configure txqs\n");
return err;
}
err = hinic3_configure_rxqs(netdev, q_params->num_qps,
q_params->rq_depth, q_params->rxqs_res);
if (err) {
netdev_err(netdev, "Failed to configure rxqs\n");
return err;
}
return 0;
}
static int hinic3_configure(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
int err;
netdev->min_mtu = HINIC3_MIN_MTU_SIZE;
netdev->max_mtu = HINIC3_MAX_JUMBO_FRAME_SIZE;
err = hinic3_set_port_mtu(netdev, netdev->mtu);
if (err) {
netdev_err(netdev, "Failed to set mtu\n");
return err;
}
hinic3_sync_dcb_state(nic_dev->hwdev, 1, 0);
if (test_bit(HINIC3_RSS_ENABLE, &nic_dev->flags)) {
err = hinic3_rss_init(netdev);
if (err) {
netdev_err(netdev, "Failed to init rss\n");
return err;
}
}
return 0;
}
static void hinic3_remove_configure(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
if (test_bit(HINIC3_RSS_ENABLE, &nic_dev->flags))
hinic3_rss_uninit(netdev);
}
static int hinic3_alloc_channel_resources(struct net_device *netdev,
struct hinic3_dyna_qp_params *qp_params,
struct hinic3_dyna_txrxq_params *trxq_params)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
int err;
qp_params->num_qps = trxq_params->num_qps;
qp_params->sq_depth = trxq_params->sq_depth;
qp_params->rq_depth = trxq_params->rq_depth;
err = hinic3_alloc_qps(nic_dev, qp_params);
if (err) {
netdev_err(netdev, "Failed to alloc qps\n");
return err;
}
err = hinic3_alloc_txrxq_resources(netdev, trxq_params);
if (err) {
netdev_err(netdev, "Failed to alloc txrxq resources\n");
hinic3_free_qps(nic_dev, qp_params);
return err;
}
return 0;
}
static void hinic3_free_channel_resources(struct net_device *netdev,
struct hinic3_dyna_qp_params *qp_params,
struct hinic3_dyna_txrxq_params *trxq_params)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
hinic3_free_txrxq_resources(netdev, trxq_params);
hinic3_free_qps(nic_dev, qp_params);
}
static int hinic3_open_channel(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
int err;
err = hinic3_init_qp_ctxts(nic_dev);
if (err) {
netdev_err(netdev, "Failed to init qps\n");
return err;
}
err = hinic3_configure_txrxqs(netdev, &nic_dev->q_params);
if (err) {
netdev_err(netdev, "Failed to configure txrxqs\n");
goto err_free_qp_ctxts;
}
err = hinic3_qps_irq_init(netdev);
if (err) {
netdev_err(netdev, "Failed to init txrxq irq\n");
goto err_free_qp_ctxts;
}
err = hinic3_configure(netdev);
if (err) {
netdev_err(netdev, "Failed to configure device resources\n");
goto err_uninit_qps_irq;
}
return 0;
err_uninit_qps_irq:
hinic3_qps_irq_uninit(netdev);
err_free_qp_ctxts:
hinic3_free_qp_ctxts(nic_dev);
return err;
}
static void hinic3_close_channel(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
hinic3_remove_configure(netdev);
hinic3_qps_irq_uninit(netdev);
hinic3_free_qp_ctxts(nic_dev);
}
static int hinic3_maybe_set_port_state(struct net_device *netdev, bool enable)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
int err;
mutex_lock(&nic_dev->port_state_mutex);
err = hinic3_set_port_enable(nic_dev->hwdev, enable);
mutex_unlock(&nic_dev->port_state_mutex);
return err;
}
static void hinic3_print_link_message(struct net_device *netdev,
bool link_status_up)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
if (nic_dev->link_status_up == link_status_up)
return;
nic_dev->link_status_up = link_status_up;
netdev_dbg(netdev, "Link is %s\n", str_up_down(link_status_up));
}
static int hinic3_vport_up(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
bool link_status_up;
u16 glb_func_id;
int err;
glb_func_id = hinic3_global_func_id(nic_dev->hwdev);
err = hinic3_set_vport_enable(nic_dev->hwdev, glb_func_id, true);
if (err) {
netdev_err(netdev, "Failed to enable vport\n");
goto err_flush_qps_res;
}
err = hinic3_maybe_set_port_state(netdev, true);
if (err) {
netdev_err(netdev, "Failed to enable port\n");
goto err_disable_vport;
}
err = netif_set_real_num_queues(netdev, nic_dev->q_params.num_qps,
nic_dev->q_params.num_qps);
if (err) {
netdev_err(netdev, "Failed to set real number of queues\n");
goto err_disable_vport;
}
netif_tx_start_all_queues(netdev);
err = hinic3_get_link_status(nic_dev->hwdev, &link_status_up);
if (!err && link_status_up)
netif_carrier_on(netdev);
hinic3_print_link_message(netdev, link_status_up);
return 0;
err_disable_vport:
hinic3_set_vport_enable(nic_dev->hwdev, glb_func_id, false);
err_flush_qps_res:
hinic3_flush_qps_res(nic_dev->hwdev);
msleep(100);
return err;
}
static void hinic3_vport_down(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
u16 glb_func_id;
netif_carrier_off(netdev);
netif_tx_disable(netdev);
glb_func_id = hinic3_global_func_id(nic_dev->hwdev);
hinic3_set_vport_enable(nic_dev->hwdev, glb_func_id, false);
hinic3_flush_txqs(netdev);
msleep(100);
hinic3_flush_qps_res(nic_dev->hwdev);
}
static int hinic3_open(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct hinic3_dyna_qp_params qp_params;
int err;
if (test_bit(HINIC3_INTF_UP, &nic_dev->flags)) {
netdev_dbg(netdev, "Netdev already open, do nothing\n");
return 0;
}
err = hinic3_init_nicio_res(nic_dev);
if (err) {
netdev_err(netdev, "Failed to init nicio resources\n");
return err;
}
err = hinic3_setup_num_qps(netdev);
if (err) {
netdev_err(netdev, "Failed to setup num_qps\n");
goto err_free_nicio_res;
}
err = hinic3_alloc_channel_resources(netdev, &qp_params,
&nic_dev->q_params);
if (err)
goto err_destroy_num_qps;
hinic3_init_qps(nic_dev, &qp_params);
err = hinic3_open_channel(netdev);
if (err)
goto err_uninit_qps;
err = hinic3_vport_up(netdev);
if (err)
goto err_close_channel;
set_bit(HINIC3_INTF_UP, &nic_dev->flags);
return 0;
err_close_channel:
hinic3_close_channel(netdev);
err_uninit_qps:
hinic3_uninit_qps(nic_dev, &qp_params);
hinic3_free_channel_resources(netdev, &qp_params, &nic_dev->q_params);
err_destroy_num_qps:
hinic3_destroy_num_qps(netdev);
err_free_nicio_res:
hinic3_free_nicio_res(nic_dev);
return err;
}
static int hinic3_close(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct hinic3_dyna_qp_params qp_params;
if (!test_and_clear_bit(HINIC3_INTF_UP, &nic_dev->flags)) {
netdev_dbg(netdev, "Netdev already close, do nothing\n");
return 0;
}
hinic3_vport_down(netdev);
hinic3_close_channel(netdev);
hinic3_uninit_qps(nic_dev, &qp_params);
hinic3_free_channel_resources(netdev, &qp_params, &nic_dev->q_params);
return 0;
}
#define SET_FEATURES_OP_STR(op) ((op) ? "Enable" : "Disable")
static int hinic3_set_feature_rx_csum(struct net_device *netdev,
netdev_features_t wanted_features,
netdev_features_t features,
netdev_features_t *failed_features)
{
netdev_features_t changed = wanted_features ^ features;
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct hinic3_hwdev *hwdev = nic_dev->hwdev;
if (changed & NETIF_F_RXCSUM)
dev_dbg(hwdev->dev, "%s rx csum success\n",
SET_FEATURES_OP_STR(wanted_features & NETIF_F_RXCSUM));
return 0;
}
static int hinic3_set_feature_tso(struct net_device *netdev,
netdev_features_t wanted_features,
netdev_features_t features,
netdev_features_t *failed_features)
{
netdev_features_t changed = wanted_features ^ features;
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct hinic3_hwdev *hwdev = nic_dev->hwdev;
if (changed & NETIF_F_TSO)
dev_dbg(hwdev->dev, "%s tso success\n",
SET_FEATURES_OP_STR(wanted_features & NETIF_F_TSO));
return 0;
}
static int hinic3_set_feature_lro(struct net_device *netdev,
netdev_features_t wanted_features,
netdev_features_t features,
netdev_features_t *failed_features)
{
netdev_features_t changed = wanted_features ^ features;
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct hinic3_hwdev *hwdev = nic_dev->hwdev;
bool en = !!(wanted_features & NETIF_F_LRO);
int err;
if (!(changed & NETIF_F_LRO))
return 0;
err = hinic3_set_rx_lro_state(hwdev, en,
HINIC3_LRO_DEFAULT_TIME_LIMIT,
HINIC3_LRO_DEFAULT_COAL_PKT_SIZE);
if (err) {
dev_err(hwdev->dev, "%s lro failed\n", SET_FEATURES_OP_STR(en));
*failed_features |= NETIF_F_LRO;
}
return err;
}
static int hinic3_set_feature_rx_cvlan(struct net_device *netdev,
netdev_features_t wanted_features,
netdev_features_t features,
netdev_features_t *failed_features)
{
bool en = !!(wanted_features & NETIF_F_HW_VLAN_CTAG_RX);
netdev_features_t changed = wanted_features ^ features;
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct hinic3_hwdev *hwdev = nic_dev->hwdev;
int err;
if (!(changed & NETIF_F_HW_VLAN_CTAG_RX))
return 0;
err = hinic3_set_rx_vlan_offload(hwdev, en);
if (err) {
dev_err(hwdev->dev, "%s rx vlan offload failed\n",
SET_FEATURES_OP_STR(en));
*failed_features |= NETIF_F_HW_VLAN_CTAG_RX;
}
return err;
}
static int hinic3_set_feature_vlan_filter(struct net_device *netdev,
netdev_features_t wanted_features,
netdev_features_t features,
netdev_features_t *failed_features)
{
bool en = !!(wanted_features & NETIF_F_HW_VLAN_CTAG_FILTER);
netdev_features_t changed = wanted_features ^ features;
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct hinic3_hwdev *hwdev = nic_dev->hwdev;
int err;
if (!(changed & NETIF_F_HW_VLAN_CTAG_FILTER))
return 0;
err = hinic3_set_vlan_filter(hwdev, en);
if (err) {
dev_err(hwdev->dev, "%s rx vlan filter failed\n",
SET_FEATURES_OP_STR(en));
*failed_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
}
return err;
}
static int hinic3_set_features(struct net_device *netdev,
netdev_features_t curr,
netdev_features_t wanted)
{
netdev_features_t failed = 0;
int err;
err = hinic3_set_feature_rx_csum(netdev, wanted, curr, &failed) |
hinic3_set_feature_tso(netdev, wanted, curr, &failed) |
hinic3_set_feature_lro(netdev, wanted, curr, &failed) |
hinic3_set_feature_rx_cvlan(netdev, wanted, curr, &failed) |
hinic3_set_feature_vlan_filter(netdev, wanted, curr, &failed);
if (err) {
netdev->features = wanted ^ failed;
return err;
}
return 0;
}
static int hinic3_ndo_set_features(struct net_device *netdev,
netdev_features_t features)
{
return hinic3_set_features(netdev, netdev->features, features);
}
static netdev_features_t hinic3_fix_features(struct net_device *netdev,
netdev_features_t features)
{
netdev_features_t features_tmp = features;
if (!(features_tmp & NETIF_F_RXCSUM))
features_tmp &= ~NETIF_F_LRO;
return features_tmp;
}
static netdev_features_t hinic3_features_check(struct sk_buff *skb,
struct net_device *dev,
netdev_features_t features)
{
features = vlan_features_check(skb, features);
features = vxlan_features_check(skb, features);
return features;
}
int hinic3_set_hw_features(struct net_device *netdev)
{
netdev_features_t wanted, curr;
wanted = netdev->features;
curr = ~wanted;
return hinic3_set_features(netdev, curr, wanted);
}
static int hinic3_change_mtu(struct net_device *netdev, int new_mtu)
{
int err;
err = hinic3_set_port_mtu(netdev, new_mtu);
if (err) {
netdev_err(netdev, "Failed to change port mtu to %d\n",
new_mtu);
return err;
}
netdev_dbg(netdev, "Change mtu from %u to %d\n", netdev->mtu, new_mtu);
WRITE_ONCE(netdev->mtu, new_mtu);
return 0;
}
static int hinic3_set_mac_addr(struct net_device *netdev, void *addr)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct sockaddr *saddr = addr;
int err;
if (!is_valid_ether_addr(saddr->sa_data))
return -EADDRNOTAVAIL;
if (ether_addr_equal(netdev->dev_addr, saddr->sa_data))
return 0;
err = hinic3_update_mac(nic_dev->hwdev, netdev->dev_addr,
saddr->sa_data, 0,
hinic3_global_func_id(nic_dev->hwdev));
if (err)
return err;
eth_hw_addr_set(netdev, saddr->sa_data);
return 0;
}
static int hinic3_vlan_rx_add_vid(struct net_device *netdev,
__be16 proto, u16 vid)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
unsigned long *vlan_bitmap = nic_dev->vlan_bitmap;
u32 column, row;
u16 func_id;
int err;
column = VID_COL(nic_dev, vid);
row = VID_LINE(nic_dev, vid);
func_id = hinic3_global_func_id(nic_dev->hwdev);
err = hinic3_add_vlan(nic_dev->hwdev, vid, func_id);
if (err) {
netdev_err(netdev, "Failed to add vlan %u\n", vid);
goto out;
}
set_bit(column, &vlan_bitmap[row]);
netdev_dbg(netdev, "Add vlan %u\n", vid);
out:
return err;
}
static int hinic3_vlan_rx_kill_vid(struct net_device *netdev,
__be16 proto, u16 vid)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
unsigned long *vlan_bitmap = nic_dev->vlan_bitmap;
u32 column, row;
u16 func_id;
int err;
column = VID_COL(nic_dev, vid);
row = VID_LINE(nic_dev, vid);
func_id = hinic3_global_func_id(nic_dev->hwdev);
err = hinic3_del_vlan(nic_dev->hwdev, vid, func_id);
if (err) {
netdev_err(netdev, "Failed to delete vlan %u\n", vid);
goto out;
}
clear_bit(column, &vlan_bitmap[row]);
netdev_dbg(netdev, "Remove vlan %u\n", vid);
out:
return err;
}
static void hinic3_tx_timeout(struct net_device *netdev, unsigned int txqueue)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct hinic3_io_queue *sq;
u16 sw_pi, hw_ci;
sq = nic_dev->txqs[txqueue].sq;
sw_pi = hinic3_get_sq_local_pi(sq);
hw_ci = hinic3_get_sq_hw_ci(sq);
netdev_dbg(netdev,
"txq%u: sw_pi: %u, hw_ci: %u, sw_ci: %u, napi->state: 0x%lx.\n",
txqueue, sw_pi, hw_ci, hinic3_get_sq_local_ci(sq),
nic_dev->q_params.irq_cfg[txqueue].napi.state);
if (sw_pi != hw_ci)
set_bit(HINIC3_EVENT_WORK_TX_TIMEOUT, &nic_dev->event_flag);
}
static void hinic3_get_stats64(struct net_device *netdev,
struct rtnl_link_stats64 *stats)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
u64 bytes, packets, dropped, errors;
struct hinic3_txq_stats *txq_stats;
struct hinic3_rxq_stats *rxq_stats;
struct hinic3_txq *txq;
struct hinic3_rxq *rxq;
unsigned int start;
int i;
bytes = 0;
packets = 0;
dropped = 0;
for (i = 0; i < nic_dev->max_qps; i++) {
if (!nic_dev->txqs)
break;
txq = &nic_dev->txqs[i];
txq_stats = &txq->txq_stats;
do {
start = u64_stats_fetch_begin(&txq_stats->syncp);
bytes += txq_stats->bytes;
packets += txq_stats->packets;
dropped += txq_stats->dropped;
} while (u64_stats_fetch_retry(&txq_stats->syncp, start));
}
stats->tx_packets = packets;
stats->tx_bytes = bytes;
stats->tx_dropped = dropped;
bytes = 0;
packets = 0;
errors = 0;
dropped = 0;
for (i = 0; i < nic_dev->max_qps; i++) {
if (!nic_dev->rxqs)
break;
rxq = &nic_dev->rxqs[i];
rxq_stats = &rxq->rxq_stats;
do {
start = u64_stats_fetch_begin(&rxq_stats->syncp);
bytes += rxq_stats->bytes;
packets += rxq_stats->packets;
errors += rxq_stats->csum_errors +
rxq_stats->other_errors;
dropped += rxq_stats->dropped;
} while (u64_stats_fetch_retry(&rxq_stats->syncp, start));
}
stats->rx_packets = packets;
stats->rx_bytes = bytes;
stats->rx_errors = errors;
stats->rx_dropped = dropped;
}
static void hinic3_nic_set_rx_mode(struct net_device *netdev)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
if (netdev_uc_count(netdev) != nic_dev->netdev_uc_cnt ||
netdev_mc_count(netdev) != nic_dev->netdev_mc_cnt) {
set_bit(HINIC3_UPDATE_MAC_FILTER, &nic_dev->flags);
nic_dev->netdev_uc_cnt = netdev_uc_count(netdev);
nic_dev->netdev_mc_cnt = netdev_mc_count(netdev);
}
queue_work(nic_dev->workq, &nic_dev->rx_mode_work);
}
static const struct net_device_ops hinic3_netdev_ops = {
.ndo_open = hinic3_open,
.ndo_stop = hinic3_close,
.ndo_set_features = hinic3_ndo_set_features,
.ndo_fix_features = hinic3_fix_features,
.ndo_features_check = hinic3_features_check,
.ndo_change_mtu = hinic3_change_mtu,
.ndo_set_mac_address = hinic3_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_vlan_rx_add_vid = hinic3_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = hinic3_vlan_rx_kill_vid,
.ndo_tx_timeout = hinic3_tx_timeout,
.ndo_get_stats64 = hinic3_get_stats64,
.ndo_set_rx_mode = hinic3_nic_set_rx_mode,
.ndo_start_xmit = hinic3_xmit_frame,
};
void hinic3_set_netdev_ops(struct net_device *netdev)
{
netdev->netdev_ops = &hinic3_netdev_ops;
}
