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| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2007-04-24 20:44:47 +0900 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:29:54 -0700 |
| commit | 420fe234ad7adaa5a5445e5fab83b1485ed9e0f3 (patch) | |
| tree | 8b4c16879eff9674615bd0de9ba87c72c285a9bd /net/ipv6 | |
| parent | 30041e4af426bc9ab7a73440ce4a7c78881b6001 (diff) | |
| download | linux-420fe234ad7adaa5a5445e5fab83b1485ed9e0f3.tar.gz linux-420fe234ad7adaa5a5445e5fab83b1485ed9e0f3.tar.bz2 linux-420fe234ad7adaa5a5445e5fab83b1485ed9e0f3.zip | |
[IPV6] SIT: Unify code path to get hash array index.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/sit.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 27fe10ffacb0..1efa95a99f45 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -99,10 +99,10 @@ static struct ip_tunnel * ipip6_tunnel_lookup(__be32 remote, __be32 local) return NULL; } -static struct ip_tunnel ** ipip6_bucket(struct ip_tunnel *t) +static struct ip_tunnel **__ipip6_bucket(struct ip_tunnel_parm *parms) { - __be32 remote = t->parms.iph.daddr; - __be32 local = t->parms.iph.saddr; + __be32 remote = parms->iph.daddr; + __be32 local = parms->iph.saddr; unsigned h = 0; int prio = 0; @@ -117,6 +117,11 @@ static struct ip_tunnel ** ipip6_bucket(struct ip_tunnel *t) return &tunnels[prio][h]; } +static inline struct ip_tunnel **ipip6_bucket(struct ip_tunnel *t) +{ + return __ipip6_bucket(&t->parms); +} + static void ipip6_tunnel_unlink(struct ip_tunnel *t) { struct ip_tunnel **tp; @@ -147,19 +152,9 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct ip_tunnel_parm *parms, int __be32 local = parms->iph.saddr; struct ip_tunnel *t, **tp, *nt; struct net_device *dev; - unsigned h = 0; - int prio = 0; char name[IFNAMSIZ]; - if (remote) { - prio |= 2; - h ^= HASH(remote); - } - if (local) { - prio |= 1; - h ^= HASH(local); - } - for (tp = &tunnels[prio][h]; (t = *tp) != NULL; tp = &t->next) { + for (tp = __ipip6_bucket(parms); (t = *tp) != NULL; tp = &t->next) { if (local == t->parms.iph.saddr && remote == t->parms.iph.daddr) return t; } |