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| author | David S. Miller <davem@davemloft.net> | 2008-01-12 21:49:01 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:02:01 -0800 |
| commit | 88ebc72f68974965b41ad7e8e441df57a530e386 (patch) | |
| tree | ea6b62d2de45f8b6f950fcc36eb080a3b9f4e82f /net/ipv4/fib_semantics.c | |
| parent | 3f4afb6443aaa1d69b2d8f0461c8191e40d54c3c (diff) | |
| download | linux-88ebc72f68974965b41ad7e8e441df57a530e386.tar.gz linux-88ebc72f68974965b41ad7e8e441df57a530e386.tar.bz2 linux-88ebc72f68974965b41ad7e8e441df57a530e386.zip | |
[IPV4] FIB: Include nexthop device indexes in fib_info hashfn.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fib_semantics.c')
| -rw-r--r-- | net/ipv4/fib_semantics.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 3ed920b92fb6..0e08df4d6f9a 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -194,6 +194,15 @@ static __inline__ int nh_comp(const struct fib_info *fi, const struct fib_info * return 0; } +static inline unsigned int fib_devindex_hashfn(unsigned int val) +{ + unsigned int mask = DEVINDEX_HASHSIZE - 1; + + return (val ^ + (val >> DEVINDEX_HASHBITS) ^ + (val >> (DEVINDEX_HASHBITS * 2))) & mask; +} + static inline unsigned int fib_info_hashfn(const struct fib_info *fi) { unsigned int mask = (fib_hash_size - 1); @@ -202,6 +211,9 @@ static inline unsigned int fib_info_hashfn(const struct fib_info *fi) val ^= fi->fib_protocol; val ^= (__force u32)fi->fib_prefsrc; val ^= fi->fib_priority; + for_nexthops(fi) { + val ^= fib_devindex_hashfn(nh->nh_oif); + } endfor_nexthops(fi) return (val ^ (val >> 7) ^ (val >> 12)) & mask; } @@ -232,15 +244,6 @@ static struct fib_info *fib_find_info(const struct fib_info *nfi) return NULL; } -static inline unsigned int fib_devindex_hashfn(unsigned int val) -{ - unsigned int mask = DEVINDEX_HASHSIZE - 1; - - return (val ^ - (val >> DEVINDEX_HASHBITS) ^ - (val >> (DEVINDEX_HASHBITS * 2))) & mask; -} - /* Check, that the gateway is already configured. Used only by redirect accept routine. */ |