diff options
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c index f0cb88a07850..39679fdb83c7 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c @@ -3009,11 +3009,164 @@ err_out: return ret; } +static void hns3_recover_hw_addr(struct net_device *ndev) +{ + struct netdev_hw_addr_list *list; + struct netdev_hw_addr *ha, *tmp; + + /* go through and sync uc_addr entries to the device */ + list = &ndev->uc; + list_for_each_entry_safe(ha, tmp, &list->list, list) + hns3_nic_uc_sync(ndev, ha->addr); + + /* go through and sync mc_addr entries to the device */ + list = &ndev->mc; + list_for_each_entry_safe(ha, tmp, &list->list, list) + hns3_nic_mc_sync(ndev, ha->addr); +} + +static void hns3_drop_skb_data(struct hns3_enet_ring *ring, struct sk_buff *skb) +{ + dev_kfree_skb_any(skb); +} + +static void hns3_clear_all_ring(struct hnae3_handle *h) +{ + struct net_device *ndev = h->kinfo.netdev; + struct hns3_nic_priv *priv = netdev_priv(ndev); + u32 i; + + for (i = 0; i < h->kinfo.num_tqps; i++) { + struct netdev_queue *dev_queue; + struct hns3_enet_ring *ring; + + ring = priv->ring_data[i].ring; + hns3_clean_tx_ring(ring, ring->desc_num); + dev_queue = netdev_get_tx_queue(ndev, + priv->ring_data[i].queue_index); + netdev_tx_reset_queue(dev_queue); + + ring = priv->ring_data[i + h->kinfo.num_tqps].ring; + hns3_clean_rx_ring(ring, ring->desc_num, hns3_drop_skb_data); + } +} + +static int hns3_reset_notify_down_enet(struct hnae3_handle *handle) +{ + struct hnae3_knic_private_info *kinfo = &handle->kinfo; + struct net_device *ndev = kinfo->netdev; + + if (!netif_running(ndev)) + return -EIO; + + return hns3_nic_net_stop(ndev); +} + +static int hns3_reset_notify_up_enet(struct hnae3_handle *handle) +{ + struct hnae3_knic_private_info *kinfo = &handle->kinfo; + struct hns3_nic_priv *priv = netdev_priv(kinfo->netdev); + int ret = 0; + + if (netif_running(kinfo->netdev)) { + ret = hns3_nic_net_up(kinfo->netdev); + if (ret) { + netdev_err(kinfo->netdev, + "hns net up fail, ret=%d!\n", ret); + return ret; + } + + priv->last_reset_time = jiffies; + } + + return ret; +} + +static int hns3_reset_notify_init_enet(struct hnae3_handle *handle) +{ + struct net_device *netdev = handle->kinfo.netdev; + struct hns3_nic_priv *priv = netdev_priv(netdev); + int ret; + + priv->reset_level = 1; + hns3_init_mac_addr(netdev); + hns3_nic_set_rx_mode(netdev); + hns3_recover_hw_addr(netdev); + + /* Carrier off reporting is important to ethtool even BEFORE open */ + netif_carrier_off(netdev); + + ret = hns3_get_ring_config(priv); + if (ret) + return ret; + + ret = hns3_nic_init_vector_data(priv); + if (ret) + return ret; + + ret = hns3_init_all_ring(priv); + if (ret) { + hns3_nic_uninit_vector_data(priv); + priv->ring_data = NULL; + } + + return ret; +} + +static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle) +{ + struct net_device *netdev = handle->kinfo.netdev; + struct hns3_nic_priv *priv = netdev_priv(netdev); + int ret; + + hns3_clear_all_ring(handle); + + ret = hns3_nic_uninit_vector_data(priv); + if (ret) { + netdev_err(netdev, "uninit vector error\n"); + return ret; + } + + ret = hns3_uninit_all_ring(priv); + if (ret) + netdev_err(netdev, "uninit ring error\n"); + + priv->ring_data = NULL; + + return ret; +} + +static int hns3_reset_notify(struct hnae3_handle *handle, + enum hnae3_reset_notify_type type) +{ + int ret = 0; + + switch (type) { + case HNAE3_UP_CLIENT: + ret = hns3_reset_notify_up_enet(handle); + break; + case HNAE3_DOWN_CLIENT: + ret = hns3_reset_notify_down_enet(handle); + break; + case HNAE3_INIT_CLIENT: + ret = hns3_reset_notify_init_enet(handle); + break; + case HNAE3_UNINIT_CLIENT: + ret = hns3_reset_notify_uninit_enet(handle); + break; + default: + break; + } + + return ret; +} + static const struct hnae3_client_ops client_ops = { .init_instance = hns3_client_init, .uninit_instance = hns3_client_uninit, .link_status_change = hns3_link_status_change, .setup_tc = hns3_client_setup_tc, + .reset_notify = hns3_reset_notify, }; /* hns3_init_module - Driver registration routine |