diff options
Diffstat (limited to 'net/ipv6/esp6_offload.c')
| -rw-r--r-- | net/ipv6/esp6_offload.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c index 9c03460b2760..ab0eea336c70 100644 --- a/net/ipv6/esp6_offload.c +++ b/net/ipv6/esp6_offload.c @@ -175,24 +175,27 @@ static struct sk_buff *xfrm6_beet_gso_segment(struct xfrm_state *x, skb->transport_header += x->props.header_len; - if (proto == IPPROTO_BEETPH) { - struct ip_beet_phdr *ph = (struct ip_beet_phdr *)skb->data; + if (x->sel.family != AF_INET6) { + skb->transport_header -= + (sizeof(struct ipv6hdr) - sizeof(struct iphdr)); - skb->transport_header += ph->hdrlen * 8; - proto = ph->nexthdr; - } + if (proto == IPPROTO_BEETPH) { + struct ip_beet_phdr *ph = + (struct ip_beet_phdr *)skb->data; + + skb->transport_header += ph->hdrlen * 8; + proto = ph->nexthdr; + } else { + skb->transport_header -= IPV4_BEET_PHMAXLEN; + } - if (x->sel.family == AF_INET6) { + if (proto == IPPROTO_TCP) + skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV6; + } else { __be16 frag; skb->transport_header += ipv6_skip_exthdr(skb, 0, &proto, &frag); - } else { - skb->transport_header -= - (sizeof(struct ipv6hdr) - sizeof(struct iphdr)); - - if (proto == IPPROTO_TCP) - skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV6; } __skb_pull(skb, skb_transport_offset(skb)); |