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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2007-04-24 20:44:47 +0900
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:29:55 -0700
commit87d1a164df0b5e297cda698724ea7984d8392b06 (patch)
treecedad5d1b3d0f1f2255c1816bd85003784be2b42 /net/ipv4/ipip.c
parent420fe234ad7adaa5a5445e5fab83b1485ed9e0f3 (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.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 37ab39170175..ebd2f2d532f6 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;
}