25 			 struct sk_buff *skb,
27 					       struct sk_buff *skb));
31 				 const struct sk_buff *skb)  in should_deliver()  argument
33 	return ((p->flags & BR_HAIRPIN_MODE) || skb->dev != p->dev) &&  in should_deliver()
34 		br_allowed_egress(p->br, nbp_get_vlan_info(p), skb) &&  in should_deliver()
38 int br_dev_queue_push_xmit(struct sock *sk, struct sk_buff *skb)  in br_dev_queue_push_xmit()  argument
40 	if (!is_skb_forwardable(skb->dev, skb)) {  in br_dev_queue_push_xmit()
41 		kfree_skb(skb);  in br_dev_queue_push_xmit()
43 		skb_push(skb, ETH_HLEN);  in br_dev_queue_push_xmit()
44 		br_drop_fake_rtable(skb);  in br_dev_queue_push_xmit()
45 		skb_sender_cpu_clear(skb);  in br_dev_queue_push_xmit()
46 		dev_queue_xmit(skb);  in br_dev_queue_push_xmit()
53 int br_forward_finish(struct sock *sk, struct sk_buff *skb)  in br_forward_finish()  argument
55 	return NF_HOOK(NFPROTO_BRIDGE, NF_BR_POST_ROUTING, sk, skb,  in br_forward_finish()
56 		       NULL, skb->dev,  in br_forward_finish()
62 static void __br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)  in __br_deliver()  argument
64 	skb = br_handle_vlan(to->br, nbp_get_vlan_info(to), skb);  in __br_deliver()
65 	if (!skb)  in __br_deliver()
68 	skb->dev = to->dev;  in __br_deliver()
71 		if (!is_skb_forwardable(skb->dev, skb))  in __br_deliver()
72 			kfree_skb(skb);  in __br_deliver()
74 			skb_push(skb, ETH_HLEN);  in __br_deliver()
75 			br_netpoll_send_skb(to, skb);  in __br_deliver()
80 	NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, NULL, skb,  in __br_deliver()
81 		NULL, skb->dev,  in __br_deliver()
85 static void __br_forward(const struct net_bridge_port *to, struct sk_buff *skb)  in __br_forward()  argument
89 	if (skb_warn_if_lro(skb)) {  in __br_forward()
90 		kfree_skb(skb);  in __br_forward()
94 	skb = br_handle_vlan(to->br, nbp_get_vlan_info(to), skb);  in __br_forward()
95 	if (!skb)  in __br_forward()
98 	indev = skb->dev;  in __br_forward()
99 	skb->dev = to->dev;  in __br_forward()
100 	skb_forward_csum(skb);  in __br_forward()
102 	NF_HOOK(NFPROTO_BRIDGE, NF_BR_FORWARD, NULL, skb,  in __br_forward()
103 		indev, skb->dev,  in __br_forward()
108 void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)  in br_deliver()  argument
110 	if (to && should_deliver(to, skb)) {  in br_deliver()
111 		__br_deliver(to, skb);  in br_deliver()
115 	kfree_skb(skb);  in br_deliver()
120 void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, struct sk_buff *skb0)  in br_forward()  argument
122 	if (should_deliver(to, skb)) {  in br_forward()
124 			deliver_clone(to, skb, __br_forward);  in br_forward()
126 			__br_forward(to, skb);  in br_forward()
131 		kfree_skb(skb);  in br_forward()
135 			 struct sk_buff *skb,  in deliver_clone()  argument
137 					       struct sk_buff *skb))  in deliver_clone()
139 	struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev;  in deliver_clone()
141 	skb = skb_clone(skb, GFP_ATOMIC);  in deliver_clone()
142 	if (!skb) {  in deliver_clone()
147 	__packet_hook(prev, skb);  in deliver_clone()
153 	struct sk_buff *skb,  in maybe_deliver()  argument
155 			      struct sk_buff *skb))  in maybe_deliver()
159 	if (!should_deliver(p, skb))  in maybe_deliver()
165 	err = deliver_clone(prev, skb, __packet_hook);  in maybe_deliver()
174 static void br_flood(struct net_bridge *br, struct sk_buff *skb,  in br_flood()  argument
177 					   struct sk_buff *skb),  in br_flood()  argument
194 		    BR_INPUT_SKB_CB(skb)->proxyarp_replied)  in br_flood()
197 		prev = maybe_deliver(prev, p, skb, __packet_hook);  in br_flood()
206 		deliver_clone(prev, skb, __packet_hook);  in br_flood()
208 		__packet_hook(prev, skb);  in br_flood()
213 		kfree_skb(skb);  in br_flood()
218 void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb, bool unicast)  in br_flood_deliver()  argument
220 	br_flood(br, skb, NULL, __br_deliver, unicast);  in br_flood_deliver()
224 void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,  in br_flood_forward()  argument
227 	br_flood(br, skb, skb2, __br_forward, unicast);  in br_flood_forward()
233 			       struct sk_buff *skb, struct sk_buff *skb0,  in br_multicast_flood()  argument
236 					struct sk_buff *skb))  in br_multicast_flood()
238 	struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev;  in br_multicast_flood()
256 		prev = maybe_deliver(prev, port, skb, __packet_hook);  in br_multicast_flood()
270 		deliver_clone(prev, skb, __packet_hook);  in br_multicast_flood()
272 		__packet_hook(prev, skb);  in br_multicast_flood()
277 		kfree_skb(skb);  in br_multicast_flood()
282 			  struct sk_buff *skb)  in br_multicast_deliver()  argument
284 	br_multicast_flood(mdst, skb, NULL, __br_deliver);  in br_multicast_deliver()
289 			  struct sk_buff *skb, struct sk_buff *skb2)  in br_multicast_forward()  argument
291 	br_multicast_flood(mdst, skb, skb2, __br_forward);  in br_multicast_forward()