vlan/macvlan: propagate transmission state to upper layers
[safe/jmp/linux-2.6] / net / 8021q / vlan_dev.c
index 89a3bbd..9159659 100644 (file)
@@ -288,10 +288,14 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
        return rc;
 }
 
-static int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
+                                           struct net_device *dev)
 {
-       struct net_device_stats *stats = &dev->stats;
+       int i = skb_get_queue_mapping(skb);
+       struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
        struct vlan_ethhdr *veth = (struct vlan_ethhdr *)(skb->data);
+       unsigned int len;
+       int ret;
 
        /* Handle non-VLAN frames if they are sent to us, for example by DHCP.
         *
@@ -309,7 +313,7 @@ static int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
                vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
                skb = __vlan_put_tag(skb, vlan_tci);
                if (!skb) {
-                       stats->tx_dropped++;
+                       txq->tx_dropped++;
                        return NETDEV_TX_OK;
                }
 
@@ -317,30 +321,44 @@ static int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
                        vlan_dev_info(dev)->cnt_inc_headroom_on_tx++;
        }
 
-       stats->tx_packets++;
-       stats->tx_bytes += skb->len;
 
        skb->dev = vlan_dev_info(dev)->real_dev;
-       dev_queue_xmit(skb);
-       return NETDEV_TX_OK;
+       len = skb->len;
+       ret = dev_queue_xmit(skb);
+
+       if (likely(ret == NET_XMIT_SUCCESS)) {
+               txq->tx_packets++;
+               txq->tx_bytes += len;
+       } else
+               txq->tx_dropped++;
+
+       return ret;
 }
 
-static int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
-                                           struct net_device *dev)
+static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
+                                                   struct net_device *dev)
 {
-       struct net_device_stats *stats = &dev->stats;
+       int i = skb_get_queue_mapping(skb);
+       struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
        u16 vlan_tci;
+       unsigned int len;
+       int ret;
 
        vlan_tci = vlan_dev_info(dev)->vlan_id;
        vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
        skb = __vlan_hwaccel_put_tag(skb, vlan_tci);
 
-       stats->tx_packets++;
-       stats->tx_bytes += skb->len;
-
        skb->dev = vlan_dev_info(dev)->real_dev;
-       dev_queue_xmit(skb);
-       return NETDEV_TX_OK;
+       len = skb->len;
+       ret = dev_queue_xmit(skb);
+
+       if (likely(ret == NET_XMIT_SUCCESS)) {
+               txq->tx_packets++;
+               txq->tx_bytes += len;
+       } else
+               txq->tx_dropped++;
+
+       return ret;
 }
 
 static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)
@@ -375,7 +393,7 @@ int vlan_dev_set_egress_priority(const struct net_device *dev,
        struct vlan_dev_info *vlan = vlan_dev_info(dev);
        struct vlan_priority_tci_mapping *mp = NULL;
        struct vlan_priority_tci_mapping *np;
-       u32 vlan_qos = (vlan_prio << 13) & 0xE000;
+       u32 vlan_qos = (vlan_prio << VLAN_PRIO_SHIFT) & VLAN_PRIO_MASK;
 
        /* See if a priority mapping exists.. */
        mp = vlan->egress_priority_map[skb_prio & 0xF];
@@ -441,7 +459,7 @@ static int vlan_dev_open(struct net_device *dev)
                return -ENETDOWN;
 
        if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) {
-               err = dev_unicast_add(real_dev, dev->dev_addr, ETH_ALEN);
+               err = dev_unicast_add(real_dev, dev->dev_addr);
                if (err < 0)
                        goto out;
        }
@@ -462,6 +480,7 @@ static int vlan_dev_open(struct net_device *dev)
        if (vlan->flags & VLAN_FLAG_GVRP)
                vlan_gvrp_request_join(dev);
 
+       netif_carrier_on(dev);
        return 0;
 
 clear_allmulti:
@@ -469,8 +488,9 @@ clear_allmulti:
                dev_set_allmulti(real_dev, -1);
 del_unicast:
        if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
-               dev_unicast_delete(real_dev, dev->dev_addr, ETH_ALEN);
+               dev_unicast_delete(real_dev, dev->dev_addr);
 out:
+       netif_carrier_off(dev);
        return err;
 }
 
@@ -490,8 +510,9 @@ static int vlan_dev_stop(struct net_device *dev)
                dev_set_promiscuity(real_dev, -1);
 
        if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
-               dev_unicast_delete(real_dev, dev->dev_addr, dev->addr_len);
+               dev_unicast_delete(real_dev, dev->dev_addr);
 
+       netif_carrier_off(dev);
        return 0;
 }
 
@@ -508,13 +529,13 @@ static int vlan_dev_set_mac_address(struct net_device *dev, void *p)
                goto out;
 
        if (compare_ether_addr(addr->sa_data, real_dev->dev_addr)) {
-               err = dev_unicast_add(real_dev, addr->sa_data, ETH_ALEN);
+               err = dev_unicast_add(real_dev, addr->sa_data);
                if (err < 0)
                        return err;
        }
 
        if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
-               dev_unicast_delete(real_dev, dev->dev_addr, ETH_ALEN);
+               dev_unicast_delete(real_dev, dev->dev_addr);
 
 out:
        memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
@@ -546,6 +567,78 @@ static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
        return err;
 }
 
+static int vlan_dev_neigh_setup(struct net_device *dev, struct neigh_parms *pa)
+{
+       struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+       const struct net_device_ops *ops = real_dev->netdev_ops;
+       int err = 0;
+
+       if (netif_device_present(real_dev) && ops->ndo_neigh_setup)
+               err = ops->ndo_neigh_setup(real_dev, pa);
+
+       return err;
+}
+
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+static int vlan_dev_fcoe_ddp_setup(struct net_device *dev, u16 xid,
+                                  struct scatterlist *sgl, unsigned int sgc)
+{
+       struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+       const struct net_device_ops *ops = real_dev->netdev_ops;
+       int rc = 0;
+
+       if (ops->ndo_fcoe_ddp_setup)
+               rc = ops->ndo_fcoe_ddp_setup(real_dev, xid, sgl, sgc);
+
+       return rc;
+}
+
+static int vlan_dev_fcoe_ddp_done(struct net_device *dev, u16 xid)
+{
+       struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+       const struct net_device_ops *ops = real_dev->netdev_ops;
+       int len = 0;
+
+       if (ops->ndo_fcoe_ddp_done)
+               len = ops->ndo_fcoe_ddp_done(real_dev, xid);
+
+       return len;
+}
+
+static int vlan_dev_fcoe_enable(struct net_device *dev)
+{
+       struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+       const struct net_device_ops *ops = real_dev->netdev_ops;
+       int rc = -EINVAL;
+
+       if (ops->ndo_fcoe_enable)
+               rc = ops->ndo_fcoe_enable(real_dev);
+       return rc;
+}
+
+static int vlan_dev_fcoe_disable(struct net_device *dev)
+{
+       struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+       const struct net_device_ops *ops = real_dev->netdev_ops;
+       int rc = -EINVAL;
+
+       if (ops->ndo_fcoe_disable)
+               rc = ops->ndo_fcoe_disable(real_dev);
+       return rc;
+}
+
+static int vlan_dev_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type)
+{
+       struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+       const struct net_device_ops *ops = real_dev->netdev_ops;
+       int rc = -EINVAL;
+
+       if (ops->ndo_fcoe_get_wwn)
+               rc = ops->ndo_fcoe_get_wwn(real_dev, wwn, type);
+       return rc;
+}
+#endif
+
 static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
 {
        struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
@@ -600,6 +693,8 @@ static int vlan_dev_init(struct net_device *dev)
        struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
        int subclass = 0;
 
+       netif_carrier_off(dev);
+
        /* IFF_BROADCAST|IFF_MULTICAST; ??? */
        dev->flags  = real_dev->flags & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI);
        dev->iflink = real_dev->ifindex;
@@ -618,6 +713,10 @@ static int vlan_dev_init(struct net_device *dev)
        if (is_zero_ether_addr(dev->broadcast))
                memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);
 
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+       dev->fcoe_ddp_xid = real_dev->fcoe_ddp_xid;
+#endif
+
        if (real_dev->features & NETIF_F_HW_VLAN_TX) {
                dev->header_ops      = real_dev->header_ops;
                dev->hard_header_len = real_dev->hard_header_len;
@@ -653,12 +752,7 @@ static int vlan_ethtool_get_settings(struct net_device *dev,
                                     struct ethtool_cmd *cmd)
 {
        const struct vlan_dev_info *vlan = vlan_dev_info(dev);
-       struct net_device *real_dev = vlan->real_dev;
-
-       if (!real_dev->ethtool_ops->get_settings)
-               return -EOPNOTSUPP;
-
-       return real_dev->ethtool_ops->get_settings(real_dev, cmd);
+       return dev_ethtool_get_settings(vlan->real_dev, cmd);
 }
 
 static void vlan_ethtool_get_drvinfo(struct net_device *dev,
@@ -672,24 +766,13 @@ static void vlan_ethtool_get_drvinfo(struct net_device *dev,
 static u32 vlan_ethtool_get_rx_csum(struct net_device *dev)
 {
        const struct vlan_dev_info *vlan = vlan_dev_info(dev);
-       struct net_device *real_dev = vlan->real_dev;
-
-       if (real_dev->ethtool_ops == NULL ||
-           real_dev->ethtool_ops->get_rx_csum == NULL)
-               return 0;
-       return real_dev->ethtool_ops->get_rx_csum(real_dev);
+       return dev_ethtool_get_rx_csum(vlan->real_dev);
 }
 
 static u32 vlan_ethtool_get_flags(struct net_device *dev)
 {
        const struct vlan_dev_info *vlan = vlan_dev_info(dev);
-       struct net_device *real_dev = vlan->real_dev;
-
-       if (!(real_dev->features & NETIF_F_HW_VLAN_RX) ||
-           real_dev->ethtool_ops == NULL ||
-           real_dev->ethtool_ops->get_flags == NULL)
-               return 0;
-       return real_dev->ethtool_ops->get_flags(real_dev);
+       return dev_ethtool_get_flags(vlan->real_dev);
 }
 
 static const struct ethtool_ops vlan_ethtool_ops = {
@@ -713,6 +796,14 @@ static const struct net_device_ops vlan_netdev_ops = {
        .ndo_set_multicast_list = vlan_dev_set_rx_mode,
        .ndo_change_rx_flags    = vlan_dev_change_rx_flags,
        .ndo_do_ioctl           = vlan_dev_ioctl,
+       .ndo_neigh_setup        = vlan_dev_neigh_setup,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+       .ndo_fcoe_ddp_setup     = vlan_dev_fcoe_ddp_setup,
+       .ndo_fcoe_ddp_done      = vlan_dev_fcoe_ddp_done,
+       .ndo_fcoe_enable        = vlan_dev_fcoe_enable,
+       .ndo_fcoe_disable       = vlan_dev_fcoe_disable,
+       .ndo_fcoe_get_wwn       = vlan_dev_fcoe_get_wwn,
+#endif
 };
 
 static const struct net_device_ops vlan_netdev_accel_ops = {
@@ -728,6 +819,14 @@ static const struct net_device_ops vlan_netdev_accel_ops = {
        .ndo_set_multicast_list = vlan_dev_set_rx_mode,
        .ndo_change_rx_flags    = vlan_dev_change_rx_flags,
        .ndo_do_ioctl           = vlan_dev_ioctl,
+       .ndo_neigh_setup        = vlan_dev_neigh_setup,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+       .ndo_fcoe_ddp_setup     = vlan_dev_fcoe_ddp_setup,
+       .ndo_fcoe_ddp_done      = vlan_dev_fcoe_ddp_done,
+       .ndo_fcoe_enable        = vlan_dev_fcoe_enable,
+       .ndo_fcoe_disable       = vlan_dev_fcoe_disable,
+       .ndo_fcoe_get_wwn       = vlan_dev_fcoe_get_wwn,
+#endif
 };
 
 void vlan_setup(struct net_device *dev)
@@ -735,6 +834,7 @@ void vlan_setup(struct net_device *dev)
        ether_setup(dev);
 
        dev->priv_flags         |= IFF_802_1Q_VLAN;
+       dev->priv_flags         &= ~IFF_XMIT_DST_RELEASE;
        dev->tx_queue_len       = 0;
 
        dev->netdev_ops         = &vlan_netdev_ops;