liquidio VF vlan support
Adds support for VF vlan features. Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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107bc0aa95
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2135f9b112
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@ -1350,6 +1350,7 @@ liquidio_push_packet(u32 octeon_id __attribute__((unused)),
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container_of(param, struct octeon_droq, napi);
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struct net_device *netdev = (struct net_device *)arg;
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struct sk_buff *skb = (struct sk_buff *)skbuff;
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u16 vtag = 0;
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if (netdev) {
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struct lio *lio = GET_LIO(netdev);
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@ -1403,6 +1404,16 @@ liquidio_push_packet(u32 octeon_id __attribute__((unused)),
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else
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skb->ip_summed = CHECKSUM_NONE;
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/* inbound VLAN tag */
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if ((netdev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
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rh->r_dh.vlan) {
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u16 priority = rh->r_dh.priority;
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u16 vid = rh->r_dh.vlan;
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vtag = (priority << VLAN_PRIO_SHIFT) | vid;
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__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vtag);
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}
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packet_was_received = (napi_gro_receive(napi, skb) != GRO_DROP);
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if (packet_was_received) {
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@ -2025,6 +2036,12 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev)
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tx_info->s.gso_segs = skb_shinfo(skb)->gso_segs;
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}
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/* HW insert VLAN tag */
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if (skb_vlan_tag_present(skb)) {
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irh->priority = skb_vlan_tag_get(skb) >> VLAN_PRIO_SHIFT;
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irh->vlan = skb_vlan_tag_get(skb) & VLAN_VID_MASK;
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}
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status = octnet_send_nic_data_pkt(oct, &ndata);
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if (status == IQ_SEND_FAILED)
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goto lio_xmit_failed;
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@ -2074,6 +2091,61 @@ static void liquidio_tx_timeout(struct net_device *netdev)
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txqs_wake(netdev);
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}
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static int
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liquidio_vlan_rx_add_vid(struct net_device *netdev,
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__be16 proto __attribute__((unused)), u16 vid)
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{
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struct lio *lio = GET_LIO(netdev);
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struct octeon_device *oct = lio->oct_dev;
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struct octnic_ctrl_pkt nctrl;
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int ret = 0;
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memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
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nctrl.ncmd.u64 = 0;
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nctrl.ncmd.s.cmd = OCTNET_CMD_ADD_VLAN_FILTER;
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nctrl.ncmd.s.param1 = vid;
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nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
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nctrl.wait_time = 100;
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nctrl.netpndev = (u64)netdev;
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nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
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ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
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if (ret < 0) {
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dev_err(&oct->pci_dev->dev, "Add VLAN filter failed in core (ret: 0x%x)\n",
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ret);
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}
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return ret;
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}
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static int
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liquidio_vlan_rx_kill_vid(struct net_device *netdev,
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__be16 proto __attribute__((unused)), u16 vid)
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{
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struct lio *lio = GET_LIO(netdev);
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struct octeon_device *oct = lio->oct_dev;
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struct octnic_ctrl_pkt nctrl;
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int ret = 0;
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memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
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nctrl.ncmd.u64 = 0;
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nctrl.ncmd.s.cmd = OCTNET_CMD_DEL_VLAN_FILTER;
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nctrl.ncmd.s.param1 = vid;
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nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
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nctrl.wait_time = 100;
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nctrl.netpndev = (u64)netdev;
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nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
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ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
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if (ret < 0) {
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dev_err(&oct->pci_dev->dev, "Add VLAN filter failed in core (ret: 0x%x)\n",
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ret);
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}
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return ret;
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}
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/** Sending command to enable/disable RX checksum offload
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* @param netdev pointer to network device
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* @param command OCTNET_CMD_TNL_RX_CSUM_CTL
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@ -2180,6 +2252,8 @@ static const struct net_device_ops lionetdevops = {
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.ndo_set_mac_address = liquidio_set_mac,
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.ndo_set_rx_mode = liquidio_set_mcast_list,
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.ndo_tx_timeout = liquidio_tx_timeout,
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.ndo_vlan_rx_add_vid = liquidio_vlan_rx_add_vid,
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.ndo_vlan_rx_kill_vid = liquidio_vlan_rx_kill_vid,
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.ndo_change_mtu = liquidio_change_mtu,
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.ndo_fix_features = liquidio_fix_features,
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.ndo_set_features = liquidio_set_features,
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@ -2388,6 +2462,12 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
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| NETIF_F_LRO;
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netif_set_gso_max_size(netdev, OCTNIC_GSO_MAX_SIZE);
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netdev->vlan_features = lio->dev_capability;
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/* Add any unchangeable hw features */
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lio->dev_capability |= NETIF_F_HW_VLAN_CTAG_FILTER |
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NETIF_F_HW_VLAN_CTAG_RX |
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NETIF_F_HW_VLAN_CTAG_TX;
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netdev->features = (lio->dev_capability & ~NETIF_F_LRO);
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netdev->hw_features = lio->dev_capability;
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