vmxnet3: Convert to new vlan model.
This converts the vmxnet3 driver to use the new vlan model. In doing so it fixes missing tags in tcpdump and failure to do checksum offload when tx vlan offload is disabled. CC: Shreyas Bhatewara <sbhatewara@vmware.com> CC: VMware PV-Drivers <pv-drivers@vmware.com> Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: Scott J. Goldman <scottjg@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
cfbf7586bc
commit
72e85c45b9
3 changed files with 40 additions and 83 deletions
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@ -918,7 +918,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
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count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) +
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skb_shinfo(skb)->nr_frags + 1;
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ctx.ipv4 = (skb->protocol == cpu_to_be16(ETH_P_IP));
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ctx.ipv4 = (vlan_get_protocol(skb) == cpu_to_be16(ETH_P_IP));
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ctx.mss = skb_shinfo(skb)->gso_size;
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if (ctx.mss) {
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@ -1231,12 +1231,10 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
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(union Vmxnet3_GenericDesc *)rcd);
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skb->protocol = eth_type_trans(skb, adapter->netdev);
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if (unlikely(adapter->vlan_grp && rcd->ts)) {
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vlan_hwaccel_receive_skb(skb,
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adapter->vlan_grp, rcd->tci);
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} else {
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if (unlikely(rcd->ts))
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__vlan_hwaccel_put_tag(skb, rcd->tci);
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netif_receive_skb(skb);
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}
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ctx->skb = NULL;
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}
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@ -1856,79 +1854,18 @@ vmxnet3_free_irqs(struct vmxnet3_adapter *adapter)
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}
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}
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static void
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vmxnet3_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
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{
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struct vmxnet3_adapter *adapter = netdev_priv(netdev);
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struct Vmxnet3_DriverShared *shared = adapter->shared;
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u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
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unsigned long flags;
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if (grp) {
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/* add vlan rx stripping. */
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if (adapter->netdev->features & NETIF_F_HW_VLAN_RX) {
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int i;
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adapter->vlan_grp = grp;
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/*
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* Clear entire vfTable; then enable untagged pkts.
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* Note: setting one entry in vfTable to non-zero turns
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* on VLAN rx filtering.
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*/
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for (i = 0; i < VMXNET3_VFT_SIZE; i++)
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vfTable[i] = 0;
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VMXNET3_SET_VFTABLE_ENTRY(vfTable, 0);
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spin_lock_irqsave(&adapter->cmd_lock, flags);
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VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
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VMXNET3_CMD_UPDATE_VLAN_FILTERS);
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spin_unlock_irqrestore(&adapter->cmd_lock, flags);
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} else {
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printk(KERN_ERR "%s: vlan_rx_register when device has "
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"no NETIF_F_HW_VLAN_RX\n", netdev->name);
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}
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} else {
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/* remove vlan rx stripping. */
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struct Vmxnet3_DSDevRead *devRead = &shared->devRead;
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adapter->vlan_grp = NULL;
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if (devRead->misc.uptFeatures & UPT1_F_RXVLAN) {
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int i;
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for (i = 0; i < VMXNET3_VFT_SIZE; i++) {
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/* clear entire vfTable; this also disables
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* VLAN rx filtering
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*/
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vfTable[i] = 0;
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}
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spin_lock_irqsave(&adapter->cmd_lock, flags);
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VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
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VMXNET3_CMD_UPDATE_VLAN_FILTERS);
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spin_unlock_irqrestore(&adapter->cmd_lock, flags);
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}
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}
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}
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static void
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vmxnet3_restore_vlan(struct vmxnet3_adapter *adapter)
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{
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if (adapter->vlan_grp) {
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u16 vid;
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u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
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bool activeVlan = false;
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u16 vid;
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for (vid = 0; vid < VLAN_N_VID; vid++) {
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if (vlan_group_get_device(adapter->vlan_grp, vid)) {
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VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid);
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activeVlan = true;
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}
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}
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if (activeVlan) {
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/* continue to allow untagged pkts */
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/* allow untagged pkts */
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VMXNET3_SET_VFTABLE_ENTRY(vfTable, 0);
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}
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}
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for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
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VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid);
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}
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@ -1944,6 +1881,8 @@ vmxnet3_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
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VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
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VMXNET3_CMD_UPDATE_VLAN_FILTERS);
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spin_unlock_irqrestore(&adapter->cmd_lock, flags);
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set_bit(vid, adapter->active_vlans);
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}
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@ -1959,6 +1898,8 @@ vmxnet3_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
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VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
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VMXNET3_CMD_UPDATE_VLAN_FILTERS);
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spin_unlock_irqrestore(&adapter->cmd_lock, flags);
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clear_bit(vid, adapter->active_vlans);
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}
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@ -1995,8 +1936,14 @@ vmxnet3_set_mc(struct net_device *netdev)
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u8 *new_table = NULL;
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u32 new_mode = VMXNET3_RXM_UCAST;
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if (netdev->flags & IFF_PROMISC)
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if (netdev->flags & IFF_PROMISC) {
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u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
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memset(vfTable, 0, VMXNET3_VFT_SIZE * sizeof(*vfTable));
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new_mode |= VMXNET3_RXM_PROMISC;
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} else {
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vmxnet3_restore_vlan(adapter);
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}
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if (netdev->flags & IFF_BROADCAST)
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new_mode |= VMXNET3_RXM_BCAST;
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@ -2030,6 +1977,8 @@ vmxnet3_set_mc(struct net_device *netdev)
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rxConf->rxMode = cpu_to_le32(new_mode);
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VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
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VMXNET3_CMD_UPDATE_RX_MODE);
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VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
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VMXNET3_CMD_UPDATE_VLAN_FILTERS);
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}
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VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
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@ -2639,12 +2588,13 @@ vmxnet3_declare_features(struct vmxnet3_adapter *adapter, bool dma64)
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netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM |
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NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_TX |
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NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_LRO;
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NETIF_F_HW_VLAN_RX | NETIF_F_TSO | NETIF_F_TSO6 |
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NETIF_F_LRO;
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if (dma64)
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netdev->features |= NETIF_F_HIGHDMA;
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netdev->vlan_features = netdev->hw_features & ~NETIF_F_HW_VLAN_TX;
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netdev->features = netdev->hw_features |
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NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
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netdev->vlan_features = netdev->hw_features &
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~(NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
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netdev->features = netdev->hw_features | NETIF_F_HW_VLAN_FILTER;
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netdev_info(adapter->netdev,
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"features: sg csum vlan jf tso tsoIPv6 lro%s\n",
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@ -2865,7 +2815,6 @@ vmxnet3_probe_device(struct pci_dev *pdev,
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.ndo_get_stats64 = vmxnet3_get_stats64,
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.ndo_tx_timeout = vmxnet3_tx_timeout,
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.ndo_set_multicast_list = vmxnet3_set_mc,
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.ndo_vlan_rx_register = vmxnet3_vlan_rx_register,
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.ndo_vlan_rx_add_vid = vmxnet3_vlan_rx_add_vid,
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.ndo_vlan_rx_kill_vid = vmxnet3_vlan_rx_kill_vid,
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#ifdef CONFIG_NET_POLL_CONTROLLER
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@ -268,7 +268,7 @@ int vmxnet3_set_features(struct net_device *netdev, u32 features)
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unsigned long flags;
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u32 changed = features ^ netdev->features;
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if (changed & (NETIF_F_RXCSUM|NETIF_F_LRO)) {
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if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_RX)) {
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if (features & NETIF_F_RXCSUM)
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adapter->shared->devRead.misc.uptFeatures |=
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UPT1_F_RXCSUM;
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@ -284,6 +284,13 @@ int vmxnet3_set_features(struct net_device *netdev, u32 features)
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adapter->shared->devRead.misc.uptFeatures &=
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~UPT1_F_LRO;
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if (features & NETIF_F_HW_VLAN_RX)
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adapter->shared->devRead.misc.uptFeatures |=
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UPT1_F_RXVLAN;
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else
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adapter->shared->devRead.misc.uptFeatures &=
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~UPT1_F_RXVLAN;
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spin_lock_irqsave(&adapter->cmd_lock, flags);
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VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
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VMXNET3_CMD_UPDATE_FEATURE);
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@ -27,6 +27,7 @@
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#ifndef _VMXNET3_INT_H
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#define _VMXNET3_INT_H
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#include <linux/bitops.h>
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#include <linux/ethtool.h>
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#include <linux/delay.h>
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#include <linux/netdevice.h>
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@ -315,7 +316,7 @@ struct vmxnet3_intr {
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struct vmxnet3_adapter {
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struct vmxnet3_tx_queue tx_queue[VMXNET3_DEVICE_MAX_TX_QUEUES];
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struct vmxnet3_rx_queue rx_queue[VMXNET3_DEVICE_MAX_RX_QUEUES];
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struct vlan_group *vlan_grp;
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unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
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struct vmxnet3_intr intr;
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spinlock_t cmd_lock;
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struct Vmxnet3_DriverShared *shared;
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