25 			 struct sk_buff *skb,
27 					       struct sk_buff *skb));
31 				 const struct sk_buff *skb)  in should_deliver()  argument
36 	return ((p->flags & BR_HAIRPIN_MODE) || skb->dev != p->dev) &&  in should_deliver()
37 		br_allowed_egress(vg, skb) && p->state == BR_STATE_FORWARDING;  in should_deliver()
40 int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb)  in br_dev_queue_push_xmit()  argument
42 	if (!is_skb_forwardable(skb->dev, skb))  in br_dev_queue_push_xmit()
45 	skb_push(skb, ETH_HLEN);  in br_dev_queue_push_xmit()
46 	br_drop_fake_rtable(skb);  in br_dev_queue_push_xmit()
47 	skb_sender_cpu_clear(skb);  in br_dev_queue_push_xmit()
49 	if (skb->ip_summed == CHECKSUM_PARTIAL &&  in br_dev_queue_push_xmit()
50 	    (skb->protocol == htons(ETH_P_8021Q) ||  in br_dev_queue_push_xmit()
51 	     skb->protocol == htons(ETH_P_8021AD))) {  in br_dev_queue_push_xmit()
54 		if (!__vlan_get_protocol(skb, skb->protocol, &depth))  in br_dev_queue_push_xmit()
57 		skb_set_network_header(skb, depth);  in br_dev_queue_push_xmit()
60 	dev_queue_xmit(skb);  in br_dev_queue_push_xmit()
65 	kfree_skb(skb);  in br_dev_queue_push_xmit()
70 int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb)  in br_forward_finish()  argument
73 		       net, sk, skb, NULL, skb->dev,  in br_forward_finish()
79 static void __br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)  in __br_deliver()  argument
84 	skb = br_handle_vlan(to->br, vg, skb);  in __br_deliver()
85 	if (!skb)  in __br_deliver()
88 	skb->dev = to->dev;  in __br_deliver()
91 		if (!is_skb_forwardable(skb->dev, skb))  in __br_deliver()
92 			kfree_skb(skb);  in __br_deliver()
94 			skb_push(skb, ETH_HLEN);  in __br_deliver()
95 			br_netpoll_send_skb(to, skb);  in __br_deliver()
101 		dev_net(skb->dev), NULL, skb,NULL, skb->dev,  in __br_deliver()
105 static void __br_forward(const struct net_bridge_port *to, struct sk_buff *skb)  in __br_forward()  argument
110 	if (skb_warn_if_lro(skb)) {  in __br_forward()
111 		kfree_skb(skb);  in __br_forward()
116 	skb = br_handle_vlan(to->br, vg, skb);  in __br_forward()
117 	if (!skb)  in __br_forward()
120 	indev = skb->dev;  in __br_forward()
121 	skb->dev = to->dev;  in __br_forward()
122 	skb_forward_csum(skb);  in __br_forward()
125 		dev_net(indev), NULL, skb, indev, skb->dev,  in __br_forward()
130 void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)  in br_deliver()  argument
132 	if (to && should_deliver(to, skb)) {  in br_deliver()
133 		__br_deliver(to, skb);  in br_deliver()
137 	kfree_skb(skb);  in br_deliver()
142 void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, struct sk_buff *skb0)  in br_forward()  argument
144 	if (to && should_deliver(to, skb)) {  in br_forward()
146 			deliver_clone(to, skb, __br_forward);  in br_forward()
148 			__br_forward(to, skb);  in br_forward()
153 		kfree_skb(skb);  in br_forward()
157 			 struct sk_buff *skb,  in deliver_clone()  argument
159 					       struct sk_buff *skb))  in deliver_clone()
161 	struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev;  in deliver_clone()
163 	skb = skb_clone(skb, GFP_ATOMIC);  in deliver_clone()
164 	if (!skb) {  in deliver_clone()
169 	__packet_hook(prev, skb);  in deliver_clone()
175 	struct sk_buff *skb,  in maybe_deliver()  argument
177 			      struct sk_buff *skb))  in maybe_deliver()
181 	if (!should_deliver(p, skb))  in maybe_deliver()
187 	err = deliver_clone(prev, skb, __packet_hook);  in maybe_deliver()
196 static void br_flood(struct net_bridge *br, struct sk_buff *skb,  in br_flood()  argument
199 					   struct sk_buff *skb),  in br_flood()  argument
216 		    BR_INPUT_SKB_CB(skb)->proxyarp_replied)  in br_flood()
219 		prev = maybe_deliver(prev, p, skb, __packet_hook);  in br_flood()
228 		deliver_clone(prev, skb, __packet_hook);  in br_flood()
230 		__packet_hook(prev, skb);  in br_flood()
235 		kfree_skb(skb);  in br_flood()
240 void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb, bool unicast)  in br_flood_deliver()  argument
242 	br_flood(br, skb, NULL, __br_deliver, unicast);  in br_flood_deliver()
246 void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,  in br_flood_forward()  argument
249 	br_flood(br, skb, skb2, __br_forward, unicast);  in br_flood_forward()
255 			       struct sk_buff *skb, struct sk_buff *skb0,  in br_multicast_flood()  argument
258 					struct sk_buff *skb))  in br_multicast_flood()
260 	struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev;  in br_multicast_flood()
278 		prev = maybe_deliver(prev, port, skb, __packet_hook);  in br_multicast_flood()
292 		deliver_clone(prev, skb, __packet_hook);  in br_multicast_flood()
294 		__packet_hook(prev, skb);  in br_multicast_flood()
299 		kfree_skb(skb);  in br_multicast_flood()
304 			  struct sk_buff *skb)  in br_multicast_deliver()  argument
306 	br_multicast_flood(mdst, skb, NULL, __br_deliver);  in br_multicast_deliver()
311 			  struct sk_buff *skb, struct sk_buff *skb2)  in br_multicast_forward()  argument
313 	br_multicast_flood(mdst, skb, skb2, __br_forward);  in br_multicast_forward()