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| author | Martin KaFai Lau <kafai@fb.com> | 2015-05-22 20:56:01 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-05-25 13:25:34 -0400 |
| commit | b197df4f0f3782782e9ea8996e91b65ae33e8dd9 (patch) | |
| tree | e64198481a37b7ede5e21cd8cb5b6f03e215edb0 /include/net/ip6_fib.h | |
| parent | 45e4fd26683c9a5f88600d91b08a484f7f09226a (diff) | |
| download | linux-b197df4f0f3782782e9ea8996e91b65ae33e8dd9.tar.bz2 | |
ipv6: Add rt6_get_cookie() function
Instead of doing the rt6->rt6i_node check whenever we need
to get the route's cookie. Refactor it into rt6_get_cookie().
It is a prep work to handle FLOWI_FLAG_KNOWN_NH and also
percpu rt6_info later.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip6_fib.h')
| -rw-r--r-- | include/net/ip6_fib.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index e00018011028..a4bece6797da 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -159,6 +159,11 @@ static inline void rt6_update_expires(struct rt6_info *rt0, int timeout) rt0->rt6i_flags |= RTF_EXPIRES; } +static inline u32 rt6_get_cookie(const struct rt6_info *rt) +{ + return rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0; +} + static inline void ip6_rt_put(struct rt6_info *rt) { /* dst_release() accepts a NULL parameter. |