diff options
Diffstat (limited to 'net/ipv6/udp_offload.c')
| -rw-r--r-- | net/ipv6/udp_offload.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index b6aa8ed18257..ab889bb16b3c 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -52,6 +52,10 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(skb->len, mss); + /* Set the IPv6 fragment id if not set yet */ + if (!skb_shinfo(skb)->ip6_frag_id) + ipv6_proxy_select_ident(skb); + segs = NULL; goto out; } @@ -108,7 +112,11 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, fptr = (struct frag_hdr *)(skb_network_header(skb) + unfrag_ip6hlen); fptr->nexthdr = nexthdr; fptr->reserved = 0; - fptr->identification = skb_shinfo(skb)->ip6_frag_id; + if (skb_shinfo(skb)->ip6_frag_id) + fptr->identification = skb_shinfo(skb)->ip6_frag_id; + else + ipv6_select_ident(fptr, + (struct rt6_info *)skb_dst(skb)); /* Fragment the skb. ipv6 header and the remaining fields of the * fragment header are updated in ipv6_gso_segment() @@ -153,9 +161,13 @@ static int udp6_gro_complete(struct sk_buff *skb, int nhoff) const struct ipv6hdr *ipv6h = ipv6_hdr(skb); struct udphdr *uh = (struct udphdr *)(skb->data + nhoff); - if (uh->check) + if (uh->check) { + skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL_CSUM; uh->check = ~udp_v6_check(skb->len - nhoff, &ipv6h->saddr, &ipv6h->daddr, 0); + } else { + skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL; + } return udp_gro_complete(skb, nhoff); } |