forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ip: introduce ip_is_fragment helper inline function

Browse source 
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>
This commit is contained in:
Paul Gortmaker 2011-06-21 20:33:34 -07:00 • committed by David S. Miller
parent f470e5ae34
commit 56f8a75c17
19 changed files with 27 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

5
include/net/ip.h
View file

@ -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)
{