diff options
Diffstat (limited to 'net/bridge')
-rw-r--r-- | net/bridge/br.c | 2 | ||||
-rw-r--r-- | net/bridge/br_device.c | 2 | ||||
-rw-r--r-- | net/bridge/br_if.c | 8 | ||||
-rw-r--r-- | net/bridge/br_input.c | 12 | ||||
-rw-r--r-- | net/bridge/br_netfilter.c | 16 | ||||
-rw-r--r-- | net/bridge/br_private.h | 3 |
6 files changed, 27 insertions, 16 deletions
diff --git a/net/bridge/br.c b/net/bridge/br.c index 76357b54775..c8436fa3134 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -63,7 +63,6 @@ static int __init br_init(void) goto err_out4; brioctl_set(br_ioctl_deviceless_stub); - br_handle_frame_hook = br_handle_frame; #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) br_fdb_test_addr_hook = br_fdb_test_addr; @@ -100,7 +99,6 @@ static void __exit br_deinit(void) br_fdb_test_addr_hook = NULL; #endif - br_handle_frame_hook = NULL; br_fdb_fini(); } diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index eedf2c94820..b898364beaf 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -127,7 +127,7 @@ 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.u.dst.metrics[RTAX_MTU - 1] = new_mtu; + br->fake_rtable.dst.metrics[RTAX_MTU - 1] = new_mtu; #endif return 0; diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 18b245e2c00..d9242342837 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -147,6 +147,7 @@ static void del_nbp(struct net_bridge_port *p) list_del_rcu(&p->list); + netdev_rx_handler_unregister(dev); rcu_assign_pointer(dev->br_port, NULL); br_multicast_del_port(p); @@ -429,6 +430,11 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) goto err2; rcu_assign_pointer(dev->br_port, p); + + err = netdev_rx_handler_register(dev, br_handle_frame); + if (err) + goto err3; + dev_disable_lro(dev); list_add_rcu(&p->list, &br->port_list); @@ -451,6 +457,8 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) br_netpoll_enable(br, dev); return 0; +err3: + rcu_assign_pointer(dev->br_port, NULL); err2: br_fdb_delete_by_port(br, p, 1); err1: diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index d36e700f7a2..99647d8f95c 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -131,15 +131,19 @@ static inline int is_link_local(const unsigned char *dest) } /* - * Called via br_handle_frame_hook. * Return NULL if skb is handled - * note: already called with rcu_read_lock (preempt_disabled) + * note: already called with rcu_read_lock (preempt_disabled) from + * netif_receive_skb */ -struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb) +struct sk_buff *br_handle_frame(struct sk_buff *skb) { + struct net_bridge_port *p; const unsigned char *dest = eth_hdr(skb)->h_dest; int (*rhook)(struct sk_buff *skb); + if (skb->pkt_type == PACKET_LOOPBACK) + return skb; + if (!is_valid_ether_addr(eth_hdr(skb)->h_source)) goto drop; @@ -147,6 +151,8 @@ struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb) if (!skb) return NULL; + p = rcu_dereference(skb->dev->br_port); + if (unlikely(is_link_local(dest))) { /* Pause frames shouldn't be passed up by driver anyway */ if (skb->protocol == htons(ETH_P_PAUSE)) diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index cbea5af24ce..6bb6f7c9e6e 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -117,12 +117,12 @@ void br_netfilter_rtable_init(struct net_bridge *br) { struct rtable *rt = &br->fake_rtable; - atomic_set(&rt->u.dst.__refcnt, 1); - rt->u.dst.dev = br->dev; - rt->u.dst.path = &rt->u.dst; - rt->u.dst.metrics[RTAX_MTU - 1] = 1500; - rt->u.dst.flags = DST_NOXFRM; - rt->u.dst.ops = &fake_dst_ops; + atomic_set(&rt->dst.__refcnt, 1); + rt->dst.dev = br->dev; + rt->dst.path = &rt->dst; + rt->dst.metrics[RTAX_MTU - 1] = 1500; + rt->dst.flags = DST_NOXFRM; + rt->dst.ops = &fake_dst_ops; } static inline struct rtable *bridge_parent_rtable(const struct net_device *dev) @@ -244,7 +244,7 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb) kfree_skb(skb); return 0; } - skb_dst_set_noref(skb, &rt->u.dst); + skb_dst_set_noref(skb, &rt->dst); skb->dev = nf_bridge->physindev; nf_bridge_update_protocol(skb); @@ -395,7 +395,7 @@ bridged_dnat: kfree_skb(skb); return 0; } - skb_dst_set_noref(skb, &rt->u.dst); + skb_dst_set_noref(skb, &rt->dst); } skb->dev = nf_bridge->physindev; diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 0f4a74bc6a9..c83519b555b 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -331,8 +331,7 @@ extern void br_features_recompute(struct net_bridge *br); /* br_input.c */ extern int br_handle_frame_finish(struct sk_buff *skb); -extern struct sk_buff *br_handle_frame(struct net_bridge_port *p, - struct sk_buff *skb); +extern struct sk_buff *br_handle_frame(struct sk_buff *skb); /* br_ioctl.c */ extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); |