30 br_netif_receive_skb(struct net *net, struct sock *sk, struct sk_buff *skb)  in br_netif_receive_skb()  argument
32 	return netif_receive_skb(skb);  in br_netif_receive_skb()
35 static int br_pass_frame_up(struct sk_buff *skb)  in br_pass_frame_up()  argument
37 	struct net_device *indev, *brdev = BR_INPUT_SKB_CB(skb)->brdev;  in br_pass_frame_up()
44 	brstats->rx_bytes += skb->len;  in br_pass_frame_up()
53 	    !br_allowed_egress(vg, skb)) {  in br_pass_frame_up()
54 		kfree_skb(skb);  in br_pass_frame_up()
58 	indev = skb->dev;  in br_pass_frame_up()
59 	skb->dev = brdev;  in br_pass_frame_up()
60 	skb = br_handle_vlan(br, vg, skb);  in br_pass_frame_up()
61 	if (!skb)  in br_pass_frame_up()
65 		       dev_net(indev), NULL, skb, indev, NULL,  in br_pass_frame_up()
69 static void br_do_proxy_arp(struct sk_buff *skb, struct net_bridge *br,  in br_do_proxy_arp()  argument
78 	BR_INPUT_SKB_CB(skb)->proxyarp_replied = false;  in br_do_proxy_arp()
83 	if (!pskb_may_pull(skb, arp_hdr_len(dev))) {  in br_do_proxy_arp()
87 	parp = arp_hdr(skb);  in br_do_proxy_arp()
119 			arp_send(ARPOP_REPLY, ETH_P_ARP, sip, skb->dev, tip,  in br_do_proxy_arp()
121 			BR_INPUT_SKB_CB(skb)->proxyarp_replied = true;  in br_do_proxy_arp()
129 int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb)  in br_handle_frame_finish()  argument
131 	const unsigned char *dest = eth_hdr(skb)->h_dest;  in br_handle_frame_finish()
132 	struct net_bridge_port *p = br_port_get_rcu(skb->dev);  in br_handle_frame_finish()
143 	if (!br_allowed_ingress(p->br, nbp_vlan_group_rcu(p), skb, &vid))  in br_handle_frame_finish()
149 		br_fdb_update(br, p, eth_hdr(skb)->h_source, vid, false);  in br_handle_frame_finish()
152 	    br_multicast_rcv(br, p, skb, vid))  in br_handle_frame_finish()
158 	BR_INPUT_SKB_CB(skb)->brdev = br->dev;  in br_handle_frame_finish()
164 		skb2 = skb;  in br_handle_frame_finish()
168 	if (IS_ENABLED(CONFIG_INET) && skb->protocol == htons(ETH_P_ARP))  in br_handle_frame_finish()
169 		br_do_proxy_arp(skb, br, vid, p);  in br_handle_frame_finish()
172 		skb2 = skb;  in br_handle_frame_finish()
175 		mdst = br_mdb_get(br, skb, vid);  in br_handle_frame_finish()
176 		if ((mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) &&  in br_handle_frame_finish()
177 		    br_multicast_querier_exists(br, eth_hdr(skb))) {  in br_handle_frame_finish()
180 				skb2 = skb;  in br_handle_frame_finish()
181 			br_multicast_forward(mdst, skb, skb2);  in br_handle_frame_finish()
182 			skb = NULL;  in br_handle_frame_finish()
186 			skb2 = skb;  in br_handle_frame_finish()
192 		skb2 = skb;  in br_handle_frame_finish()
194 		skb = NULL;  in br_handle_frame_finish()
197 	if (skb) {  in br_handle_frame_finish()
200 			br_forward(dst->dst, skb, skb2);  in br_handle_frame_finish()
202 			br_flood_forward(br, skb, skb2, unicast);  in br_handle_frame_finish()
211 	kfree_skb(skb);  in br_handle_frame_finish()
217 static int br_handle_local_finish(struct net *net, struct sock *sk, struct sk_buff *skb)  in br_handle_local_finish()  argument
219 	struct net_bridge_port *p = br_port_get_rcu(skb->dev);  in br_handle_local_finish()
223 	if (p->flags & BR_LEARNING && br_should_learn(p, skb, &vid))  in br_handle_local_finish()
224 		br_fdb_update(p->br, p, eth_hdr(skb)->h_source, vid, false);  in br_handle_local_finish()
235 	struct sk_buff *skb = *pskb;  in br_handle_frame()  local
236 	const unsigned char *dest = eth_hdr(skb)->h_dest;  in br_handle_frame()
239 	if (unlikely(skb->pkt_type == PACKET_LOOPBACK))  in br_handle_frame()
242 	if (!is_valid_ether_addr(eth_hdr(skb)->h_source))  in br_handle_frame()
245 	skb = skb_share_check(skb, GFP_ATOMIC);  in br_handle_frame()
246 	if (!skb)  in br_handle_frame()
249 	p = br_port_get_rcu(skb->dev);  in br_handle_frame()
288 			    dev_net(skb->dev), NULL, skb, skb->dev, NULL,  in br_handle_frame()
292 			*pskb = skb;  in br_handle_frame()
302 			if ((*rhook)(skb)) {  in br_handle_frame()
303 				*pskb = skb;  in br_handle_frame()
306 			dest = eth_hdr(skb)->h_dest;  in br_handle_frame()
311 			skb->pkt_type = PACKET_HOST;  in br_handle_frame()
314 			dev_net(skb->dev), NULL, skb, skb->dev, NULL,  in br_handle_frame()
319 		kfree_skb(skb);  in br_handle_frame()