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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 /include/net/ip.h | |
| parent | f470e5ae34d68880a38aa79ee5c102ebc2a1aef6 (diff) | |
| download | linux-56f8a75c17abb854b5907f4a815dc4c3f186ba11.tar.bz2 | |
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 'include/net/ip.h')
| -rw-r--r-- | include/net/ip.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index e9ea7c73f8c1..d603cd329c4e 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -250,6 +250,11 @@ int ip_decrease_ttl(struct iphdr *iph) return --iph->ttl; } +static inline bool ip_is_fragment(const struct iphdr *iph) +{ + return (iph->frag_off & htons(IP_MF | IP_OFFSET)) != 0; +} + static inline int ip_dont_fragment(struct sock *sk, struct dst_entry *dst) { |