if (unlikely(!pskb_may_pull(skb, sizeof(*hdr))))
goto err;
- hdr = skb->nh.ipv6h;
+ hdr = ipv6_hdr(skb);
if (hdr->version != 6)
goto err;
- skb->h.raw = (u8 *)(hdr + 1);
+ skb->transport_header = skb->network_header + sizeof(*hdr);
IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
pkt_len = ntohs(hdr->payload_len);
/* pkt_len may be zero if Jumbo payload option is present */
if (pkt_len || hdr->nexthdr != NEXTHDR_HOP) {
- if (pkt_len + sizeof(struct ipv6hdr) > skb->len)
- goto truncated;
+ if (pkt_len + sizeof(struct ipv6hdr) > skb->len) {
+ IP6_INC_STATS_BH(idev, IPSTATS_MIB_INTRUNCATEDPKTS);
+ goto drop;
+ }
if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr))) {
IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS);
goto drop;
}
- hdr = skb->nh.ipv6h;
+ hdr = ipv6_hdr(skb);
}
if (hdr->nexthdr == NEXTHDR_HOP) {
rcu_read_unlock();
return NF_HOOK(PF_INET6,NF_IP6_PRE_ROUTING, skb, dev, NULL, ip6_rcv_finish);
-truncated:
- IP6_INC_STATS_BH(idev, IPSTATS_MIB_INTRUNCATEDPKTS);
err:
IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS);
drop:
rcu_read_lock();
resubmit:
idev = ip6_dst_idev(skb->dst);
- if (!pskb_pull(skb, skb->h.raw - skb->data))
+ if (!pskb_pull(skb, skb_transport_offset(skb)))
goto discard;
nhoff = IP6CB(skb)->nhoff;
- nexthdr = skb->nh.raw[nhoff];
+ nexthdr = skb_network_header(skb)[nhoff];
raw_sk = sk_head(&raw_v6_htable[nexthdr & (MAX_INET_PROTOS - 1)]);
if (raw_sk && !ipv6_raw_deliver(skb, nexthdr))
indefinitely. */
nf_reset(skb);
- skb_postpull_rcsum(skb, skb->nh.raw,
- skb->h.raw - skb->nh.raw);
- hdr = skb->nh.ipv6h;
+ skb_postpull_rcsum(skb, skb_network_header(skb),
+ skb_network_header_len(skb));
+ hdr = ipv6_hdr(skb);
if (ipv6_addr_is_multicast(&hdr->daddr) &&
!ipv6_chk_mcast_addr(skb->dev, &hdr->daddr,
&hdr->saddr) &&
IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INMCASTPKTS);
- hdr = skb->nh.ipv6h;
- deliver = likely(!(skb->dev->flags & (IFF_PROMISC|IFF_ALLMULTI))) ||
+ hdr = ipv6_hdr(skb);
+ deliver = unlikely(skb->dev->flags & (IFF_PROMISC|IFF_ALLMULTI)) ||
ipv6_chk_mcast_addr(skb->dev, &hdr->daddr, NULL);
/*