diff options
| author | Jesse Gross <jesse@nicira.com> | 2011-12-01 01:05:51 (GMT) |
|---|---|---|
| committer | Jesse Gross <jesse@nicira.com> | 2011-12-03 17:35:10 (GMT) |
| commit | 75f2811c6460ccc59d83c66059943ce9c9f81a18 (patch) | |
| tree | 49373cf5f5b11358aeb587209ad270496f751609 /net/netfilter/xt_TCPMSS.c | |
| parent | 396cf9430505cfba529a2f2a037d782719fa5844 (diff) | |
| download | linux-75f2811c6460ccc59d83c66059943ce9c9f81a18.tar.xz | |
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_TCPMSS.c')
| -rw-r--r-- | net/netfilter/xt_TCPMSS.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c index 3ecade3..ba72262 100644 --- a/net/netfilter/xt_TCPMSS.c +++ b/net/netfilter/xt_TCPMSS.c @@ -204,11 +204,12 @@ tcpmss_tg6(struct sk_buff *skb, const struct xt_action_param *par) { struct ipv6hdr *ipv6h = ipv6_hdr(skb); u8 nexthdr; + __be16 frag_off; int tcphoff; int ret; nexthdr = ipv6h->nexthdr; - tcphoff = ipv6_skip_exthdr(skb, sizeof(*ipv6h), &nexthdr); + tcphoff = ipv6_skip_exthdr(skb, sizeof(*ipv6h), &nexthdr, &frag_off); if (tcphoff < 0) return NF_DROP; ret = tcpmss_mangle_packet(skb, par->targinfo, |