cxgb4vf: do vlan cleanup
- unify vlan and nonvlan rx path - kill pi->vlan_grp and cxgb4vf_vlan_rx_register - allow to turn on/off rx/tx vlan accel via ethtool (set_features) Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
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133b08513a
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87737663d5
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@ -92,7 +92,6 @@ struct sge_rspq;
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*/
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struct port_info {
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struct adapter *adapter; /* our adapter */
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struct vlan_group *vlan_grp; /* out VLAN group */
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u16 viid; /* virtual interface ID */
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s16 xact_addr_filt; /* index of our MAC address filter */
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u16 rss_size; /* size of VI's RSS table slice */
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@ -209,18 +209,8 @@ void t4vf_os_link_changed(struct adapter *adapter, int pidx, int link_ok)
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* ======================
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*/
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/*
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* Record our new VLAN Group and enable/disable hardware VLAN Tag extraction
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* based on whether the specified VLAN Group pointer is NULL or not.
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*/
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static void cxgb4vf_vlan_rx_register(struct net_device *dev,
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struct vlan_group *grp)
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{
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struct port_info *pi = netdev_priv(dev);
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pi->vlan_grp = grp;
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t4vf_set_rxmode(pi->adapter, pi->viid, -1, -1, -1, -1, grp != NULL, 0);
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}
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/*
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* Perform the MAC and PHY actions needed to enable a "port" (Virtual
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@ -233,9 +223,9 @@ static int link_start(struct net_device *dev)
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/*
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* We do not set address filters and promiscuity here, the stack does
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* that step explicitly.
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* that step explicitly. Enable vlan accel.
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*/
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ret = t4vf_set_rxmode(pi->adapter, pi->viid, dev->mtu, -1, -1, -1, -1,
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ret = t4vf_set_rxmode(pi->adapter, pi->viid, dev->mtu, -1, -1, -1, 1,
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true);
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if (ret == 0) {
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ret = t4vf_change_mac(pi->adapter, pi->viid,
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@ -1102,6 +1092,32 @@ static int cxgb4vf_change_mtu(struct net_device *dev, int new_mtu)
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return ret;
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}
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static u32 cxgb4vf_fix_features(struct net_device *dev, u32 features)
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{
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/*
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* Since there is no support for separate rx/tx vlan accel
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* enable/disable make sure tx flag is always in same state as rx.
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*/
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if (features & NETIF_F_HW_VLAN_RX)
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features |= NETIF_F_HW_VLAN_TX;
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else
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features &= ~NETIF_F_HW_VLAN_TX;
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return features;
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}
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static int cxgb4vf_set_features(struct net_device *dev, u32 features)
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{
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struct port_info *pi = netdev_priv(dev);
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u32 changed = dev->features ^ features;
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if (changed & NETIF_F_HW_VLAN_RX)
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t4vf_set_rxmode(pi->adapter, pi->viid, -1, -1, -1, -1,
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features & NETIF_F_HW_VLAN_TX, 0);
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return 0;
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}
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/*
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* Change the devices MAC address.
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*/
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@ -2431,7 +2447,8 @@ static const struct net_device_ops cxgb4vf_netdev_ops = {
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.ndo_validate_addr = eth_validate_addr,
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.ndo_do_ioctl = cxgb4vf_do_ioctl,
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.ndo_change_mtu = cxgb4vf_change_mtu,
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.ndo_vlan_rx_register = cxgb4vf_vlan_rx_register,
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.ndo_fix_features = cxgb4vf_fix_features,
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.ndo_set_features = cxgb4vf_set_features,
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#ifdef CONFIG_NET_POLL_CONTROLLER
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.ndo_poll_controller = cxgb4vf_poll_controller,
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#endif
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@ -2600,12 +2617,11 @@ static int __devinit cxgb4vf_pci_probe(struct pci_dev *pdev,
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netdev->hw_features = NETIF_F_SG | TSO_FLAGS |
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NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
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NETIF_F_HW_VLAN_TX | NETIF_F_RXCSUM;
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NETIF_F_HW_VLAN_RX | NETIF_F_RXCSUM;
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netdev->vlan_features = NETIF_F_SG | TSO_FLAGS |
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NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
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NETIF_F_HIGHDMA;
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netdev->features = netdev->hw_features |
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NETIF_F_HW_VLAN_RX;
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netdev->features = netdev->hw_features | NETIF_F_HW_VLAN_TX;
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if (pci_using_dac)
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netdev->features |= NETIF_F_HIGHDMA;
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@ -1491,20 +1491,10 @@ static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl,
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skb->ip_summed = CHECKSUM_UNNECESSARY;
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skb_record_rx_queue(skb, rxq->rspq.idx);
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if (unlikely(pkt->vlan_ex)) {
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struct port_info *pi = netdev_priv(rxq->rspq.netdev);
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struct vlan_group *grp = pi->vlan_grp;
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rxq->stats.vlan_ex++;
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if (likely(grp)) {
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ret = vlan_gro_frags(&rxq->rspq.napi, grp,
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be16_to_cpu(pkt->vlan));
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goto stats;
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}
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}
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if (pkt->vlan_ex)
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__vlan_hwaccel_put_tag(skb, be16_to_cpu(pkt->vlan));
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ret = napi_gro_frags(&rxq->rspq.napi);
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stats:
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if (ret == GRO_HELD)
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rxq->stats.lro_pkts++;
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else if (ret == GRO_MERGED || ret == GRO_MERGED_FREE)
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@ -1525,7 +1515,6 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
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const struct pkt_gl *gl)
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{
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struct sk_buff *skb;
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struct port_info *pi;
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const struct cpl_rx_pkt *pkt = (void *)&rsp[1];
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bool csum_ok = pkt->csum_calc && !pkt->err_vec;
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struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq);
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@ -1553,7 +1542,6 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
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__skb_pull(skb, PKTSHIFT);
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skb->protocol = eth_type_trans(skb, rspq->netdev);
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skb_record_rx_queue(skb, rspq->idx);
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pi = netdev_priv(skb->dev);
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rxq->stats.pkts++;
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if (csum_ok && (rspq->netdev->features & NETIF_F_RXCSUM) &&
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@ -1569,20 +1557,12 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
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} else
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skb_checksum_none_assert(skb);
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/*
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* Deliver the packet to the stack.
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*/
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if (unlikely(pkt->vlan_ex)) {
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struct vlan_group *grp = pi->vlan_grp;
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if (pkt->vlan_ex) {
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rxq->stats.vlan_ex++;
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if (likely(grp))
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vlan_hwaccel_receive_skb(skb, grp,
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be16_to_cpu(pkt->vlan));
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else
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dev_kfree_skb_any(skb);
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} else
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netif_receive_skb(skb);
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__vlan_hwaccel_put_tag(skb, be16_to_cpu(pkt->vlan));
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}
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netif_receive_skb(skb);
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return 0;
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}
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