diff options
| 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 22:29:55 -0700 |
| commit | 87d1a164df0b5e297cda698724ea7984d8392b06 (patch) | |
| tree | cedad5d1b3d0f1f2255c1816bd85003784be2b42 /net/ipv4/ipip.c | |
| parent | 420fe234ad7adaa5a5445e5fab83b1485ed9e0f3 (diff) | |
[IPV4] IPIP: Unify code path to get hash array index.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv4/ipip.c')
| -rw-r--r-- | net/ipv4/ipip.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 37ab3917017..ebd2f2d532f 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -157,10 +157,10 @@ static struct ip_tunnel * ipip_tunnel_lookup(__be32 remote, __be32 local) return NULL; } -static struct ip_tunnel **ipip_bucket(struct ip_tunnel *t) +static struct ip_tunnel **__ipip_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; @@ -175,6 +175,10 @@ static struct ip_tunnel **ipip_bucket(struct ip_tunnel *t) return &tunnels[prio][h]; } +static inline struct ip_tunnel **ipip_bucket(struct ip_tunnel *t) +{ + return __ipip_bucket(&t->parms); +} static void ipip_tunnel_unlink(struct ip_tunnel *t) { @@ -206,19 +210,9 @@ static struct ip_tunnel * ipip_tunnel_locate(struct ip_tunnel_parm *parms, int c __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 = __ipip_bucket(parms); (t = *tp) != NULL; tp = &t->next) { if (local == t->parms.iph.saddr && remote == t->parms.iph.daddr) return t; } |