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path: root/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c53
1 files changed, 43 insertions, 10 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 21085c4bf66b..b53b0911ec24 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -1012,7 +1012,6 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv,
struct hns3_desc_cb *desc_cb = &ring->desc_cb[ring->next_to_use];
struct hns3_desc *desc = &ring->desc[ring->next_to_use];
struct device *dev = ring_to_dev(ring);
- u16 bdtp_fe_sc_vld_ra_ri = 0;
struct skb_frag_struct *frag;
unsigned int frag_buf_num;
int k, sizeoflast;
@@ -1080,12 +1079,30 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv,
desc_cb->length = size;
+ if (likely(size <= HNS3_MAX_BD_SIZE)) {
+ u16 bdtp_fe_sc_vld_ra_ri = 0;
+
+ desc_cb->priv = priv;
+ desc_cb->dma = dma;
+ desc_cb->type = type;
+ desc->addr = cpu_to_le64(dma);
+ desc->tx.send_size = cpu_to_le16(size);
+ hns3_set_txbd_baseinfo(&bdtp_fe_sc_vld_ra_ri, frag_end);
+ desc->tx.bdtp_fe_sc_vld_ra_ri =
+ cpu_to_le16(bdtp_fe_sc_vld_ra_ri);
+
+ ring_ptr_move_fw(ring, next_to_use);
+ return 0;
+ }
+
frag_buf_num = hns3_tx_bd_count(size);
sizeoflast = size & HNS3_TX_LAST_SIZE_M;
sizeoflast = sizeoflast ? sizeoflast : HNS3_MAX_BD_SIZE;
/* When frag size is bigger than hardware limit, split this frag */
for (k = 0; k < frag_buf_num; k++) {
+ u16 bdtp_fe_sc_vld_ra_ri = 0;
+
/* The txbd's baseinfo of DESC_TYPE_PAGE & DESC_TYPE_SKB */
desc_cb->priv = priv;
desc_cb->dma = dma + HNS3_MAX_BD_SIZE * k;
@@ -1574,6 +1591,9 @@ static int hns3_nic_change_mtu(struct net_device *netdev, int new_mtu)
struct hnae3_handle *h = hns3_get_handle(netdev);
int ret;
+ if (hns3_nic_resetting(netdev))
+ return -EBUSY;
+
if (!h->ae_algo->ops->set_mtu)
return -EOPNOTSUPP;
@@ -2891,7 +2911,7 @@ static int hns3_nic_common_poll(struct napi_struct *napi, int budget)
struct hns3_enet_tqp_vector *tqp_vector =
container_of(napi, struct hns3_enet_tqp_vector, napi);
bool clean_complete = true;
- int rx_budget;
+ int rx_budget = budget;
if (unlikely(test_bit(HNS3_NIC_STATE_DOWN, &priv->state))) {
napi_complete(napi);
@@ -2905,7 +2925,8 @@ static int hns3_nic_common_poll(struct napi_struct *napi, int budget)
hns3_clean_tx_ring(ring);
/* make sure rx ring budget not smaller than 1 */
- rx_budget = max(budget / tqp_vector->num_tqps, 1);
+ if (tqp_vector->num_tqps > 1)
+ rx_budget = max(budget / tqp_vector->num_tqps, 1);
hns3_for_each_ring(ring, tqp_vector->rx_group) {
int rx_cleaned = hns3_clean_rx_ring(ring, rx_budget,
@@ -3697,13 +3718,13 @@ static void hns3_client_uninit(struct hnae3_handle *handle, bool reset)
struct hns3_nic_priv *priv = netdev_priv(netdev);
int ret;
- hns3_client_stop(handle);
-
hns3_remove_hw_addr(netdev);
if (netdev->reg_state != NETREG_UNINITIALIZED)
unregister_netdev(netdev);
+ hns3_client_stop(handle);
+
if (!test_and_clear_bit(HNS3_NIC_STATE_INITED, &priv->state)) {
netdev_warn(netdev, "already uninitialized\n");
goto out_netdev_free;
@@ -3773,12 +3794,13 @@ static int hns3_recover_hw_addr(struct net_device *ndev)
struct netdev_hw_addr *ha, *tmp;
int ret = 0;
+ netif_addr_lock_bh(ndev);
/* go through and sync uc_addr entries to the device */
list = &ndev->uc;
list_for_each_entry_safe(ha, tmp, &list->list, list) {
ret = hns3_nic_uc_sync(ndev, ha->addr);
if (ret)
- return ret;
+ goto out;
}
/* go through and sync mc_addr entries to the device */
@@ -3786,9 +3808,11 @@ static int hns3_recover_hw_addr(struct net_device *ndev)
list_for_each_entry_safe(ha, tmp, &list->list, list) {
ret = hns3_nic_mc_sync(ndev, ha->addr);
if (ret)
- return ret;
+ goto out;
}
+out:
+ netif_addr_unlock_bh(ndev);
return ret;
}
@@ -3799,6 +3823,7 @@ static void hns3_remove_hw_addr(struct net_device *netdev)
hns3_nic_uc_unsync(netdev, netdev->dev_addr);
+ netif_addr_lock_bh(netdev);
/* go through and unsync uc_addr entries to the device */
list = &netdev->uc;
list_for_each_entry_safe(ha, tmp, &list->list, list)
@@ -3809,6 +3834,8 @@ static void hns3_remove_hw_addr(struct net_device *netdev)
list_for_each_entry_safe(ha, tmp, &list->list, list)
if (ha->refcount > 1)
hns3_nic_mc_unsync(netdev, ha->addr);
+
+ netif_addr_unlock_bh(netdev);
}
static void hns3_clear_tx_ring(struct hns3_enet_ring *ring)
@@ -4048,10 +4075,18 @@ static int hns3_reset_notify_init_enet(struct hnae3_handle *handle)
if (ret)
goto err_uninit_vector;
+ ret = hns3_client_start(handle);
+ if (ret) {
+ dev_err(priv->dev, "hns3_client_start fail! ret=%d\n", ret);
+ goto err_uninit_ring;
+ }
+
set_bit(HNS3_NIC_STATE_INITED, &priv->state);
return ret;
+err_uninit_ring:
+ hns3_uninit_all_ring(priv);
err_uninit_vector:
hns3_nic_uninit_vector_data(priv);
priv->ring_data = NULL;
@@ -4101,7 +4136,7 @@ static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle)
struct hns3_nic_priv *priv = netdev_priv(netdev);
int ret;
- if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state)) {
+ if (!test_and_clear_bit(HNS3_NIC_STATE_INITED, &priv->state)) {
netdev_warn(netdev, "already uninitialized\n");
return 0;
}
@@ -4123,8 +4158,6 @@ static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle)
hns3_put_ring_config(priv);
priv->ring_data = NULL;
- clear_bit(HNS3_NIC_STATE_INITED, &priv->state);
-
return ret;
}