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| author | Paul Gortmaker <paul.gortmaker@windriver.com> | 2011-06-21 20:33:34 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-06-21 20:33:34 -0700 |
| commit | 56f8a75c17abb854b5907f4a815dc4c3f186ba11 (patch) | |
| tree | 6ba333b7668ce7dd04cddecf4f15a0a48b335991 /net/ipv4/netfilter | |
| parent | f470e5ae34d68880a38aa79ee5c102ebc2a1aef6 (diff) | |
| download | linux-56f8a75c17abb854b5907f4a815dc4c3f186ba11.tar.gz linux-56f8a75c17abb854b5907f4a815dc4c3f186ba11.tar.bz2 linux-56f8a75c17abb854b5907f4a815dc4c3f186ba11.zip | |
ip: introduce ip_is_fragment helper inline function
There are enough instances of this:
iph->frag_off & htons(IP_MF | IP_OFFSET)
that a helper function is probably warranted.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/netfilter')
| -rw-r--r-- | net/ipv4/netfilter/nf_defrag_ipv4.c | 2 | ||||
| -rw-r--r-- | net/ipv4/netfilter/nf_nat_standalone.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c index f3a9b42b16c6..9bb1b8a37a22 100644 --- a/net/ipv4/netfilter/nf_defrag_ipv4.c +++ b/net/ipv4/netfilter/nf_defrag_ipv4.c @@ -82,7 +82,7 @@ static unsigned int ipv4_conntrack_defrag(unsigned int hooknum, #endif #endif /* Gather fragments. */ - if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) { + if (ip_is_fragment(ip_hdr(skb))) { enum ip_defrag_users user = nf_ct_defrag_user(hooknum, skb); if (nf_ct_ipv4_gather_frags(skb, user)) return NF_STOLEN; diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c index 483b76d042da..a6e606e84820 100644 --- a/net/ipv4/netfilter/nf_nat_standalone.c +++ b/net/ipv4/netfilter/nf_nat_standalone.c @@ -88,7 +88,7 @@ nf_nat_fn(unsigned int hooknum, /* We never see fragments: conntrack defrags on pre-routing and local-out, and nf_nat_out protects post-routing. */ - NF_CT_ASSERT(!(ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET))); + NF_CT_ASSERT(!ip_is_fragment(ip_hdr(skb))); ct = nf_ct_get(skb, &ctinfo); /* Can't track? It's not due to stress, or conntrack would |