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authorDavid S. Miller <davem@davemloft.net>2008-01-12 21:49:01 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:02:01 -0800
commit88ebc72f68974965b41ad7e8e441df57a530e386 (patch)
treeea6b62d2de45f8b6f950fcc36eb080a3b9f4e82f /net
parent3f4afb6443aaa1d69b2d8f0461c8191e40d54c3c (diff)
[IPV4] FIB: Include nexthop device indexes in fib_info hashfn.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/fib_semantics.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 3ed920b92fb..0e08df4d6f9 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.
*/