diff options
| author | Jesse Gross <jesse@nicira.com> | 2011-11-30 17:05:51 -0800 |
|---|---|---|
| committer | Jesse Gross <jesse@nicira.com> | 2011-12-03 09:35:10 -0800 |
| commit | 75f2811c6460ccc59d83c66059943ce9c9f81a18 (patch) | |
| tree | 49373cf5f5b11358aeb587209ad270496f751609 /net/netfilter/xt_socket.c | |
| parent | 396cf9430505cfba529a2f2a037d782719fa5844 (diff) | |
| download | linux-75f2811c6460ccc59d83c66059943ce9c9f81a18.tar.gz | |
ipv6: Add fragment reporting to ipv6_skip_exthdr().
While parsing through IPv6 extension headers, fragment headers are
skipped making them invisible to the caller. This reports the
fragment offset of the last header in order to make it possible to
determine whether the packet is fragmented and, if so whether it is
a first or last fragment.
Signed-off-by: Jesse Gross <jesse@nicira.com>
Diffstat (limited to 'net/netfilter/xt_socket.c')
| -rw-r--r-- | net/netfilter/xt_socket.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c index fe39f7e913dff4..c302e30dc50c29 100644 --- a/net/netfilter/xt_socket.c +++ b/net/netfilter/xt_socket.c @@ -214,6 +214,7 @@ extract_icmp6_fields(const struct sk_buff *skb, struct icmp6hdr *icmph, _icmph; __be16 *ports, _ports[2]; u8 inside_nexthdr; + __be16 inside_fragoff; int inside_hdrlen; icmph = skb_header_pointer(skb, outside_hdrlen, @@ -229,7 +230,8 @@ extract_icmp6_fields(const struct sk_buff *skb, return 1; inside_nexthdr = inside_iph->nexthdr; - inside_hdrlen = ipv6_skip_exthdr(skb, outside_hdrlen + sizeof(_icmph) + sizeof(_inside_iph), &inside_nexthdr); + inside_hdrlen = ipv6_skip_exthdr(skb, outside_hdrlen + sizeof(_icmph) + sizeof(_inside_iph), + &inside_nexthdr, &inside_fragoff); if (inside_hdrlen < 0) return 1; /* hjm: Packet has no/incomplete transport layer headers. */ |