22 static int ipv6_gso_pull_exthdrs(struct sk_buff *skb, int proto)  in ipv6_gso_pull_exthdrs()  argument
40 		if (unlikely(!pskb_may_pull(skb, 8)))  in ipv6_gso_pull_exthdrs()
43 		opth = (void *)skb->data;  in ipv6_gso_pull_exthdrs()
46 		if (unlikely(!pskb_may_pull(skb, len)))  in ipv6_gso_pull_exthdrs()
49 		opth = (void *)skb->data;  in ipv6_gso_pull_exthdrs()
51 		__skb_pull(skb, len);  in ipv6_gso_pull_exthdrs()
57 static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,  in ipv6_gso_segment()  argument
71 	if (unlikely(skb_shinfo(skb)->gso_type &  in ipv6_gso_segment()
87 	skb_reset_network_header(skb);  in ipv6_gso_segment()
88 	nhoff = skb_network_header(skb) - skb_mac_header(skb);  in ipv6_gso_segment()
89 	if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h))))  in ipv6_gso_segment()
92 	encap = SKB_GSO_CB(skb)->encap_level > 0;  in ipv6_gso_segment()
94 		features &= skb->dev->hw_enc_features;  in ipv6_gso_segment()
95 	SKB_GSO_CB(skb)->encap_level += sizeof(*ipv6h);  in ipv6_gso_segment()
97 	ipv6h = ipv6_hdr(skb);  in ipv6_gso_segment()
98 	__skb_pull(skb, sizeof(*ipv6h));  in ipv6_gso_segment()
101 	proto = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr);  in ipv6_gso_segment()
103 	if (skb->encapsulation &&  in ipv6_gso_segment()
104 	    skb_shinfo(skb)->gso_type & (SKB_GSO_SIT|SKB_GSO_IPIP))  in ipv6_gso_segment()
107 		udpfrag = proto == IPPROTO_UDP && !skb->encapsulation;  in ipv6_gso_segment()
111 		skb_reset_transport_header(skb);  in ipv6_gso_segment()
112 		segs = ops->callbacks.gso_segment(skb, features);  in ipv6_gso_segment()
118 	for (skb = segs; skb; skb = skb->next) {  in ipv6_gso_segment()
119 		ipv6h = (struct ipv6hdr *)(skb_mac_header(skb) + nhoff);  in ipv6_gso_segment()
120 		ipv6h->payload_len = htons(skb->len - nhoff - sizeof(*ipv6h));  in ipv6_gso_segment()
121 		skb->network_header = (u8 *)ipv6h - skb->head;  in ipv6_gso_segment()
124 			unfrag_ip6hlen = ip6_find_1stfragopt(skb, &prevhdr);  in ipv6_gso_segment()
127 			if (skb->next)  in ipv6_gso_segment()
133 			skb_reset_inner_headers(skb);  in ipv6_gso_segment()
167 					 struct sk_buff *skb)  in ipv6_gro_receive()  argument
179 	off = skb_gro_offset(skb);  in ipv6_gro_receive()
181 	iph = skb_gro_header_fast(skb, off);  in ipv6_gro_receive()
182 	if (skb_gro_header_hard(skb, hlen)) {  in ipv6_gro_receive()
183 		iph = skb_gro_header_slow(skb, hlen, off);  in ipv6_gro_receive()
188 	skb_set_network_header(skb, off);  in ipv6_gro_receive()
189 	skb_gro_pull(skb, sizeof(*iph));  in ipv6_gro_receive()
190 	skb_set_transport_header(skb, skb_gro_offset(skb));  in ipv6_gro_receive()
192 	flush += ntohs(iph->payload_len) != skb_gro_len(skb);  in ipv6_gro_receive()
198 		__pskb_pull(skb, skb_gro_offset(skb));  in ipv6_gro_receive()
199 		proto = ipv6_gso_pull_exthdrs(skb, proto);  in ipv6_gro_receive()
200 		skb_gro_pull(skb, -skb_transport_offset(skb));  in ipv6_gro_receive()
201 		skb_reset_transport_header(skb);  in ipv6_gro_receive()
202 		__skb_push(skb, skb_gro_offset(skb));  in ipv6_gro_receive()
208 		iph = ipv6_hdr(skb);  in ipv6_gro_receive()
211 	NAPI_GRO_CB(skb)->proto = proto;  in ipv6_gro_receive()
214 	nlen = skb_network_header_len(skb);  in ipv6_gro_receive()
246 	NAPI_GRO_CB(skb)->flush |= flush;  in ipv6_gro_receive()
248 	skb_gro_postpull_rcsum(skb, iph, nlen);  in ipv6_gro_receive()
250 	pp = ops->callbacks.gro_receive(head, skb);  in ipv6_gro_receive()
256 	NAPI_GRO_CB(skb)->flush |= flush;  in ipv6_gro_receive()
261 static int ipv6_gro_complete(struct sk_buff *skb, int nhoff)  in ipv6_gro_complete()  argument
264 	struct ipv6hdr *iph = (struct ipv6hdr *)(skb->data + nhoff);  in ipv6_gro_complete()
267 	iph->payload_len = htons(skb->len - nhoff - sizeof(*iph));  in ipv6_gro_complete()
275 	err = ops->callbacks.gro_complete(skb, nhoff);  in ipv6_gro_complete()