1 files changed, 73 insertions, 47 deletions

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index cf09fe591fc2..32b8f9f7f79e 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -49,7 +49,9 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
         skb_pull(skb, ETH_HLEN);
 
         rcu_read_lock();
-        if (is_multicast_ether_addr(dest)) {
+        if (is_broadcast_ether_addr(dest))
+                br_flood_deliver(br, skb);
+        else if (is_multicast_ether_addr(dest)) {
                 if (unlikely(netpoll_tx_running(dev))) {
                         br_flood_deliver(br, skb);
                         goto out;
@@ -74,11 +76,23 @@ out:
         return NETDEV_TX_OK;
 }
 
+static int br_dev_init(struct net_device *dev)
+{
+        struct net_bridge *br = netdev_priv(dev);
+
+        br->stats = alloc_percpu(struct br_cpu_netstats);
+        if (!br->stats)
+                return -ENOMEM;
+
+        return 0;
+}
+
 static int br_dev_open(struct net_device *dev)
 {
         struct net_bridge *br = netdev_priv(dev);
 
-        br_features_recompute(br);
+        netif_carrier_off(dev);
+        netdev_update_features(dev);
         netif_start_queue(dev);
         br_stp_enable_bridge(br);
         br_multicast_open(br);
@@ -94,6 +108,8 @@ static int br_dev_stop(struct net_device *dev)
 {
         struct net_bridge *br = netdev_priv(dev);
 
+        netif_carrier_off(dev);
+
         br_stp_disable_bridge(br);
         br_multicast_stop(br);
 
@@ -141,7 +157,7 @@ static int br_change_mtu(struct net_device *dev, int new_mtu)
 
 #ifdef CONFIG_BRIDGE_NETFILTER
         /* remember the MTU in the rtable for PMTU */
-        br->fake_rtable.dst.metrics[RTAX_MTU - 1] = new_mtu;
+        dst_metric_set(&br->fake_rtable.dst, RTAX_MTU, new_mtu);
 #endif
 
         return 0;
@@ -173,43 +189,11 @@ static void br_getinfo(struct net_device *dev, struct ethtool_drvinfo *info)
         strcpy(info->bus_info, "N/A");
 }
 
-static int br_set_sg(struct net_device *dev, u32 data)
-{
-        struct net_bridge *br = netdev_priv(dev);
-
-        if (data)
-                br->feature_mask |= NETIF_F_SG;
-        else
-                br->feature_mask &= ~NETIF_F_SG;
-
-        br_features_recompute(br);
-        return 0;
-}
-
-static int br_set_tso(struct net_device *dev, u32 data)
+static u32 br_fix_features(struct net_device *dev, u32 features)
 {
         struct net_bridge *br = netdev_priv(dev);
 
-        if (data)
-                br->feature_mask |= NETIF_F_TSO;
-        else
-                br->feature_mask &= ~NETIF_F_TSO;
-
-        br_features_recompute(br);
-        return 0;
-}
-
-static int br_set_tx_csum(struct net_device *dev, u32 data)
-{
-        struct net_bridge *br = netdev_priv(dev);
-
-        if (data)
-                br->feature_mask |= NETIF_F_NO_CSUM;
-        else
-                br->feature_mask &= ~NETIF_F_ALL_CSUM;
-
-        br_features_recompute(br);
-        return 0;
+        return br_features_recompute(br, features);
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
@@ -261,6 +245,7 @@ int br_netpoll_enable(struct net_bridge_port *p)
                 goto out;
 
         np->dev = p->dev;
+        strlcpy(np->dev_name, p->dev->name, IFNAMSIZ);
 
         err = __netpoll_setup(np);
         if (err) {
@@ -292,23 +277,30 @@ void br_netpoll_disable(struct net_bridge_port *p)
 
 #endif
 
+static int br_add_slave(struct net_device *dev, struct net_device *slave_dev)
+
+{
+        struct net_bridge *br = netdev_priv(dev);
+
+        return br_add_if(br, slave_dev);
+}
+
+static int br_del_slave(struct net_device *dev, struct net_device *slave_dev)
+{
+        struct net_bridge *br = netdev_priv(dev);
+
+        return br_del_if(br, slave_dev);
+}
+
 static const struct ethtool_ops br_ethtool_ops = {
         .get_drvinfo    = br_getinfo,
         .get_link       = ethtool_op_get_link,
-        .get_tx_csum    = ethtool_op_get_tx_csum,
-        .set_tx_csum    = br_set_tx_csum,
-        .get_sg         = ethtool_op_get_sg,
-        .set_sg         = br_set_sg,
-        .get_tso        = ethtool_op_get_tso,
-        .set_tso        = br_set_tso,
-        .get_ufo        = ethtool_op_get_ufo,
-        .set_ufo        = ethtool_op_set_ufo,
-        .get_flags      = ethtool_op_get_flags,
 };
 
 static const struct net_device_ops br_netdev_ops = {
         .ndo_open                = br_dev_open,
         .ndo_stop                = br_dev_stop,
+        .ndo_init                = br_dev_init,
         .ndo_start_xmit          = br_dev_xmit,
         .ndo_get_stats64         = br_get_stats64,
         .ndo_set_mac_address     = br_set_mac_address,
@@ -320,6 +312,9 @@ static const struct net_device_ops br_netdev_ops = {
         .ndo_netpoll_cleanup     = br_netpoll_cleanup,
         .ndo_poll_controller     = br_poll_controller,
 #endif
+        .ndo_add_slave           = br_add_slave,
+        .ndo_del_slave           = br_del_slave,
+        .ndo_fix_features        = br_fix_features,
 };
 
 static void br_dev_free(struct net_device *dev)
@@ -330,18 +325,49 @@ static void br_dev_free(struct net_device *dev)
         free_netdev(dev);
 }
 
+static struct device_type br_type = {
+        .name   = "bridge",
+};
+
 void br_dev_setup(struct net_device *dev)
 {
+        struct net_bridge *br = netdev_priv(dev);
+
         random_ether_addr(dev->dev_addr);
         ether_setup(dev);
 
         dev->netdev_ops = &br_netdev_ops;
         dev->destructor = br_dev_free;
         SET_ETHTOOL_OPS(dev, &br_ethtool_ops);
+        SET_NETDEV_DEVTYPE(dev, &br_type);
         dev->tx_queue_len = 0;
         dev->priv_flags = IFF_EBRIDGE;
 
         dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
                         NETIF_F_GSO_MASK | NETIF_F_NO_CSUM | NETIF_F_LLTX |
-                        NETIF_F_NETNS_LOCAL | NETIF_F_GSO;
+                        NETIF_F_NETNS_LOCAL | NETIF_F_HW_VLAN_TX;
+        dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
+                           NETIF_F_GSO_MASK | NETIF_F_NO_CSUM |
+                           NETIF_F_HW_VLAN_TX;
+
+        br->dev = dev;
+        spin_lock_init(&br->lock);
+        INIT_LIST_HEAD(&br->port_list);
+        spin_lock_init(&br->hash_lock);
+
+        br->bridge_id.prio[0] = 0x80;
+        br->bridge_id.prio[1] = 0x00;
+
+        memcpy(br->group_addr, br_group_address, ETH_ALEN);
+
+        br->stp_enabled = BR_NO_STP;
+        br->designated_root = br->bridge_id;
+        br->bridge_max_age = br->max_age = 20 * HZ;
+        br->bridge_hello_time = br->hello_time = 2 * HZ;
+        br->bridge_forward_delay = br->forward_delay = 15 * HZ;
+        br->ageing_time = 300 * HZ;
+
+        br_netfilter_rtable_init(br);
+        br_stp_timer_init(br);
+        br_multicast_init(br);
 }