Lines Matching refs:skb
23 static int ipv6_gso_pull_exthdrs(struct sk_buff *skb, int proto) in ipv6_gso_pull_exthdrs() argument
41 if (unlikely(!pskb_may_pull(skb, 8))) in ipv6_gso_pull_exthdrs()
44 opth = (void *)skb->data; in ipv6_gso_pull_exthdrs()
47 if (unlikely(!pskb_may_pull(skb, len))) in ipv6_gso_pull_exthdrs()
50 opth = (void *)skb->data; in ipv6_gso_pull_exthdrs()
52 __skb_pull(skb, len); in ipv6_gso_pull_exthdrs()
58 static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, in ipv6_gso_segment() argument
73 skb_reset_network_header(skb); in ipv6_gso_segment()
74 nhoff = skb_network_header(skb) - skb_mac_header(skb); in ipv6_gso_segment()
75 if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h)))) in ipv6_gso_segment()
78 encap = SKB_GSO_CB(skb)->encap_level > 0; in ipv6_gso_segment()
80 features &= skb->dev->hw_enc_features; in ipv6_gso_segment()
81 SKB_GSO_CB(skb)->encap_level += sizeof(*ipv6h); in ipv6_gso_segment()
83 ipv6h = ipv6_hdr(skb); in ipv6_gso_segment()
84 __skb_pull(skb, sizeof(*ipv6h)); in ipv6_gso_segment()
87 proto = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr); in ipv6_gso_segment()
89 if (skb->encapsulation && in ipv6_gso_segment()
90 skb_shinfo(skb)->gso_type & (SKB_GSO_IPXIP4 | SKB_GSO_IPXIP6)) in ipv6_gso_segment()
92 (skb_shinfo(skb)->gso_type & SKB_GSO_UDP); in ipv6_gso_segment()
94 udpfrag = proto == IPPROTO_UDP && !skb->encapsulation && in ipv6_gso_segment()
95 (skb_shinfo(skb)->gso_type & SKB_GSO_UDP); in ipv6_gso_segment()
99 skb_reset_transport_header(skb); in ipv6_gso_segment()
100 segs = ops->callbacks.gso_segment(skb, features); in ipv6_gso_segment()
108 for (skb = segs; skb; skb = skb->next) { in ipv6_gso_segment()
109 ipv6h = (struct ipv6hdr *)(skb_mac_header(skb) + nhoff); in ipv6_gso_segment()
110 if (gso_partial && skb_is_gso(skb)) in ipv6_gso_segment()
111 payload_len = skb_shinfo(skb)->gso_size + in ipv6_gso_segment()
112 SKB_GSO_CB(skb)->data_offset + in ipv6_gso_segment()
113 skb->head - (unsigned char *)(ipv6h + 1); in ipv6_gso_segment()
115 payload_len = skb->len - nhoff - sizeof(*ipv6h); in ipv6_gso_segment()
117 skb->network_header = (u8 *)ipv6h - skb->head; in ipv6_gso_segment()
118 skb_reset_mac_len(skb); in ipv6_gso_segment()
121 int err = ip6_find_1stfragopt(skb, &prevhdr); in ipv6_gso_segment()
128 if (skb->next) in ipv6_gso_segment()
134 skb_reset_inner_headers(skb); in ipv6_gso_segment()
168 struct sk_buff *skb) in ipv6_gro_receive() argument
180 off = skb_gro_offset(skb); in ipv6_gro_receive()
182 iph = skb_gro_header_fast(skb, off); in ipv6_gro_receive()
183 if (skb_gro_header_hard(skb, hlen)) { in ipv6_gro_receive()
184 iph = skb_gro_header_slow(skb, hlen, off); in ipv6_gro_receive()
189 skb_set_network_header(skb, off); in ipv6_gro_receive()
190 skb_gro_pull(skb, sizeof(*iph)); in ipv6_gro_receive()
191 skb_set_transport_header(skb, skb_gro_offset(skb)); in ipv6_gro_receive()
193 flush += ntohs(iph->payload_len) != skb_gro_len(skb); in ipv6_gro_receive()
199 __pskb_pull(skb, skb_gro_offset(skb)); in ipv6_gro_receive()
200 skb_gro_frag0_invalidate(skb); in ipv6_gro_receive()
201 proto = ipv6_gso_pull_exthdrs(skb, proto); in ipv6_gro_receive()
202 skb_gro_pull(skb, -skb_transport_offset(skb)); in ipv6_gro_receive()
203 skb_reset_transport_header(skb); in ipv6_gro_receive()
204 __skb_push(skb, skb_gro_offset(skb)); in ipv6_gro_receive()
210 iph = ipv6_hdr(skb); in ipv6_gro_receive()
213 NAPI_GRO_CB(skb)->proto = proto; in ipv6_gro_receive()
216 nlen = skb_network_header_len(skb); in ipv6_gro_receive()
247 if (NAPI_GRO_CB(skb)->is_atomic) in ipv6_gro_receive()
251 NAPI_GRO_CB(skb)->is_atomic = true; in ipv6_gro_receive()
252 NAPI_GRO_CB(skb)->flush |= flush; in ipv6_gro_receive()
254 skb_gro_postpull_rcsum(skb, iph, nlen); in ipv6_gro_receive()
256 pp = call_gro_receive(ops->callbacks.gro_receive, head, skb); in ipv6_gro_receive()
262 skb_gro_flush_final(skb, pp, flush); in ipv6_gro_receive()
268 struct sk_buff *skb) in sit_ip6ip6_gro_receive() argument
272 if (NAPI_GRO_CB(skb)->encap_mark) { in sit_ip6ip6_gro_receive()
273 NAPI_GRO_CB(skb)->flush = 1; in sit_ip6ip6_gro_receive()
277 NAPI_GRO_CB(skb)->encap_mark = 1; in sit_ip6ip6_gro_receive()
279 return ipv6_gro_receive(head, skb); in sit_ip6ip6_gro_receive()
283 struct sk_buff *skb) in ip4ip6_gro_receive() argument
287 if (NAPI_GRO_CB(skb)->encap_mark) { in ip4ip6_gro_receive()
288 NAPI_GRO_CB(skb)->flush = 1; in ip4ip6_gro_receive()
292 NAPI_GRO_CB(skb)->encap_mark = 1; in ip4ip6_gro_receive()
294 return inet_gro_receive(head, skb); in ip4ip6_gro_receive()
297 static int ipv6_gro_complete(struct sk_buff *skb, int nhoff) in ipv6_gro_complete() argument
300 struct ipv6hdr *iph = (struct ipv6hdr *)(skb->data + nhoff); in ipv6_gro_complete()
303 if (skb->encapsulation) { in ipv6_gro_complete()
304 skb_set_inner_protocol(skb, cpu_to_be16(ETH_P_IPV6)); in ipv6_gro_complete()
305 skb_set_inner_network_header(skb, nhoff); in ipv6_gro_complete()
308 iph->payload_len = htons(skb->len - nhoff - sizeof(*iph)); in ipv6_gro_complete()
316 err = ops->callbacks.gro_complete(skb, nhoff); in ipv6_gro_complete()
324 static int sit_gro_complete(struct sk_buff *skb, int nhoff) in sit_gro_complete() argument
326 skb->encapsulation = 1; in sit_gro_complete()
327 skb_shinfo(skb)->gso_type |= SKB_GSO_IPXIP4; in sit_gro_complete()
328 return ipv6_gro_complete(skb, nhoff); in sit_gro_complete()
331 static int ip6ip6_gro_complete(struct sk_buff *skb, int nhoff) in ip6ip6_gro_complete() argument
333 skb->encapsulation = 1; in ip6ip6_gro_complete()
334 skb_shinfo(skb)->gso_type |= SKB_GSO_IPXIP6; in ip6ip6_gro_complete()
335 return ipv6_gro_complete(skb, nhoff); in ip6ip6_gro_complete()
338 static int ip4ip6_gro_complete(struct sk_buff *skb, int nhoff) in ip4ip6_gro_complete() argument
340 skb->encapsulation = 1; in ip4ip6_gro_complete()
341 skb_shinfo(skb)->gso_type |= SKB_GSO_IPXIP6; in ip4ip6_gro_complete()
342 return inet_gro_complete(skb, nhoff); in ip4ip6_gro_complete()