Lines Matching refs:skb
22 const struct sk_buff *skb) in should_deliver() argument
27 return ((p->flags & BR_HAIRPIN_MODE) || skb->dev != p->dev) && in should_deliver()
28 br_allowed_egress(vg, skb) && p->state == BR_STATE_FORWARDING && in should_deliver()
29 nbp_switchdev_allowed_egress(p, skb) && in should_deliver()
30 !br_skb_isolated(p, skb); in should_deliver()
33 int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb) in br_dev_queue_push_xmit() argument
35 skb_push(skb, ETH_HLEN); in br_dev_queue_push_xmit()
36 if (!is_skb_forwardable(skb->dev, skb)) in br_dev_queue_push_xmit()
39 br_drop_fake_rtable(skb); in br_dev_queue_push_xmit()
41 if (skb->ip_summed == CHECKSUM_PARTIAL && in br_dev_queue_push_xmit()
42 (skb->protocol == htons(ETH_P_8021Q) || in br_dev_queue_push_xmit()
43 skb->protocol == htons(ETH_P_8021AD))) { in br_dev_queue_push_xmit()
46 if (!__vlan_get_protocol(skb, skb->protocol, &depth)) in br_dev_queue_push_xmit()
49 skb_set_network_header(skb, depth); in br_dev_queue_push_xmit()
52 dev_queue_xmit(skb); in br_dev_queue_push_xmit()
57 kfree_skb(skb); in br_dev_queue_push_xmit()
62 int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb) in br_forward_finish() argument
64 skb->tstamp = 0; in br_forward_finish()
66 net, sk, skb, NULL, skb->dev, in br_forward_finish()
73 struct sk_buff *skb, bool local_orig) in __br_forward() argument
81 skb = br_handle_vlan(to->br, to, vg, skb); in __br_forward()
82 if (!skb) in __br_forward()
85 indev = skb->dev; in __br_forward()
86 skb->dev = to->dev; in __br_forward()
88 if (skb_warn_if_lro(skb)) { in __br_forward()
89 kfree_skb(skb); in __br_forward()
93 skb_forward_csum(skb); in __br_forward()
97 skb_push(skb, ETH_HLEN); in __br_forward()
98 if (!is_skb_forwardable(skb->dev, skb)) in __br_forward()
99 kfree_skb(skb); in __br_forward()
101 br_netpoll_send_skb(to, skb); in __br_forward()
105 net = dev_net(skb->dev); in __br_forward()
110 net, NULL, skb, indev, skb->dev, in __br_forward()
115 struct sk_buff *skb, bool local_orig) in deliver_clone() argument
117 struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev; in deliver_clone()
119 skb = skb_clone(skb, GFP_ATOMIC); in deliver_clone()
120 if (!skb) { in deliver_clone()
125 __br_forward(prev, skb, local_orig); in deliver_clone()
139 struct sk_buff *skb, bool local_rcv, bool local_orig) in br_forward() argument
154 if (should_deliver(to, skb)) { in br_forward()
156 deliver_clone(to, skb, local_orig); in br_forward()
158 __br_forward(to, skb, local_orig); in br_forward()
164 kfree_skb(skb); in br_forward()
170 struct sk_buff *skb, bool local_orig) in maybe_deliver() argument
172 u8 igmp_type = br_multicast_igmp_type(skb); in maybe_deliver()
175 if (!should_deliver(p, skb)) in maybe_deliver()
181 err = deliver_clone(prev, skb, local_orig); in maybe_deliver()
185 br_multicast_count(p->br, p, skb, igmp_type, BR_MCAST_DIR_TX); in maybe_deliver()
191 void br_flood(struct net_bridge *br, struct sk_buff *skb, in br_flood() argument
207 if (!(p->flags & BR_MCAST_FLOOD) && skb->dev != br->dev) in br_flood()
211 if (!(p->flags & BR_BCAST_FLOOD) && skb->dev != br->dev) in br_flood()
220 BR_INPUT_SKB_CB(skb)->proxyarp_replied) in br_flood()
223 prev = maybe_deliver(prev, p, skb, local_orig); in br_flood()
232 deliver_clone(prev, skb, local_orig); in br_flood()
234 __br_forward(prev, skb, local_orig); in br_flood()
239 kfree_skb(skb); in br_flood()
243 static void maybe_deliver_addr(struct net_bridge_port *p, struct sk_buff *skb, in maybe_deliver_addr() argument
246 struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev; in maybe_deliver_addr()
247 const unsigned char *src = eth_hdr(skb)->h_source; in maybe_deliver_addr()
249 if (!should_deliver(p, skb)) in maybe_deliver_addr()
253 if (skb->dev == p->dev && ether_addr_equal(src, addr)) in maybe_deliver_addr()
256 skb = skb_copy(skb, GFP_ATOMIC); in maybe_deliver_addr()
257 if (!skb) { in maybe_deliver_addr()
263 memcpy(eth_hdr(skb)->h_dest, addr, ETH_ALEN); in maybe_deliver_addr()
265 __br_forward(p, skb, local_orig); in maybe_deliver_addr()
270 struct sk_buff *skb, in br_multicast_flood() argument
273 struct net_device *dev = BR_INPUT_SKB_CB(skb)->brdev; in br_multicast_flood()
291 maybe_deliver_addr(lport, skb, p->eth_addr, in br_multicast_flood()
299 prev = maybe_deliver(prev, port, skb, local_orig); in br_multicast_flood()
313 deliver_clone(prev, skb, local_orig); in br_multicast_flood()
315 __br_forward(prev, skb, local_orig); in br_multicast_flood()
320 kfree_skb(skb); in br_multicast_flood()