diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 103 |
1 files changed, 98 insertions, 5 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 35d70041b9e8..4cb2421e71a7 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2963,6 +2963,48 @@ static int hns3_nic_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) return h->ae_algo->ops->set_vf_mac(h, vf_id, mac); } +#define HNS3_INVALID_DSCP 0xff +#define HNS3_DSCP_SHIFT 2 + +static u8 hns3_get_skb_dscp(struct sk_buff *skb) +{ + __be16 protocol = skb->protocol; + u8 dscp = HNS3_INVALID_DSCP; + + if (protocol == htons(ETH_P_8021Q)) + protocol = vlan_get_protocol(skb); + + if (protocol == htons(ETH_P_IP)) + dscp = ipv4_get_dsfield(ip_hdr(skb)) >> HNS3_DSCP_SHIFT; + else if (protocol == htons(ETH_P_IPV6)) + dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> HNS3_DSCP_SHIFT; + + return dscp; +} + +static u16 hns3_nic_select_queue(struct net_device *netdev, + struct sk_buff *skb, + struct net_device *sb_dev) +{ + struct hnae3_handle *h = hns3_get_handle(netdev); + u8 dscp; + + if (h->kinfo.tc_map_mode != HNAE3_TC_MAP_MODE_DSCP || + !h->ae_algo->ops->get_dscp_prio) + goto out; + + dscp = hns3_get_skb_dscp(skb); + if (unlikely(dscp >= HNAE3_MAX_DSCP)) + goto out; + + skb->priority = h->kinfo.dscp_prio[dscp]; + if (skb->priority == HNAE3_PRIO_ID_INVALID) + skb->priority = 0; + +out: + return netdev_pick_tx(netdev, skb, sb_dev); +} + static const struct net_device_ops hns3_nic_netdev_ops = { .ndo_open = hns3_nic_net_open, .ndo_stop = hns3_nic_net_stop, @@ -2988,6 +3030,7 @@ static const struct net_device_ops hns3_nic_netdev_ops = { .ndo_set_vf_link_state = hns3_nic_set_vf_link_state, .ndo_set_vf_rate = hns3_nic_set_vf_rate, .ndo_set_vf_mac = hns3_nic_set_vf_mac, + .ndo_select_queue = hns3_nic_select_queue, }; bool hns3_is_phys_func(struct pci_dev *pdev) @@ -3271,12 +3314,11 @@ static void hns3_set_default_feature(struct net_device *netdev) NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_UDP_TUNNEL | NETIF_F_SCTP_CRC | NETIF_F_FRAGLIST; - if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) { + if (hnae3_ae_dev_gro_supported(ae_dev)) netdev->features |= NETIF_F_GRO_HW; - if (!(h->flags & HNAE3_SUPPORT_VF)) - netdev->features |= NETIF_F_NTUPLE; - } + if (hnae3_ae_dev_fd_supported(ae_dev)) + netdev->features |= NETIF_F_NTUPLE; if (test_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, ae_dev->caps)) netdev->features |= NETIF_F_GSO_UDP_L4; @@ -4650,7 +4692,7 @@ static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv) goto map_ring_fail; netif_napi_add(priv->netdev, &tqp_vector->napi, - hns3_nic_common_poll, NAPI_POLL_WEIGHT); + hns3_nic_common_poll); } return 0; @@ -5782,6 +5824,57 @@ int hns3_set_channels(struct net_device *netdev, return 0; } +void hns3_external_lb_prepare(struct net_device *ndev, bool if_running) +{ + struct hns3_nic_priv *priv = netdev_priv(ndev); + struct hnae3_handle *h = priv->ae_handle; + int i; + + if (!if_running) + return; + + netif_carrier_off(ndev); + netif_tx_disable(ndev); + + for (i = 0; i < priv->vector_num; i++) + hns3_vector_disable(&priv->tqp_vector[i]); + + for (i = 0; i < h->kinfo.num_tqps; i++) + hns3_tqp_disable(h->kinfo.tqp[i]); + + /* delay ring buffer clearing to hns3_reset_notify_uninit_enet + * during reset process, because driver may not be able + * to disable the ring through firmware when downing the netdev. + */ + if (!hns3_nic_resetting(ndev)) + hns3_nic_reset_all_ring(priv->ae_handle); + + hns3_reset_tx_queue(priv->ae_handle); +} + +void hns3_external_lb_restore(struct net_device *ndev, bool if_running) +{ + struct hns3_nic_priv *priv = netdev_priv(ndev); + struct hnae3_handle *h = priv->ae_handle; + int i; + + if (!if_running) + return; + + hns3_nic_reset_all_ring(priv->ae_handle); + + for (i = 0; i < priv->vector_num; i++) + hns3_vector_enable(&priv->tqp_vector[i]); + + for (i = 0; i < h->kinfo.num_tqps; i++) + hns3_tqp_enable(h->kinfo.tqp[i]); + + netif_tx_wake_all_queues(ndev); + + if (h->ae_algo->ops->get_status(h)) + netif_carrier_on(ndev); +} + static const struct hns3_hw_error_info hns3_hw_err[] = { { .type = HNAE3_PPU_POISON_ERROR, .msg = "PPU poison" }, |