From 56f8a75c17abb854b5907f4a815dc4c3f186ba11 Mon Sep 17 00:00:00 2001 From: Paul Gortmaker Date: Tue, 21 Jun 2011 20:33:34 -0700 Subject: 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 Signed-off-by: David S. Miller --- include/net/ip.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include/net/ip.h') 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) { -- cgit v1.2.3