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authorDavid S. Miller <davem@davemloft.net>2011-03-07 15:01:10 -0800
committerDavid S. Miller <davem@davemloft.net>2011-03-07 15:19:39 -0800
commit3be0686b6e2f953afe83626e871b4a7b0ceae49b (patch)
tree6591cba7d393d6b0bc7b2c647a5a5f1f5d8728e8 /net/ipv4/fib_semantics.c
parent4c8237cd76a0510677dc2e3dd0f8866ec8e0b1e5 (diff)
downloadop-kernel-dev-3be0686b6e2f953afe83626e871b4a7b0ceae49b.zip
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ipv4: Inline fib_semantic_match into check_leaf
This elimiates a lot of pure overhead due to parameter passing. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fib_semantics.c')
-rw-r--r--net/ipv4/fib_semantics.c68
1 files changed, 1 insertions, 67 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index c29291b..6349a21 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -90,11 +90,7 @@ static DEFINE_SPINLOCK(fib_multipath_lock);
#define endfor_nexthops(fi) }
-static const struct
-{
- int error;
- u8 scope;
-} fib_props[RTN_MAX + 1] = {
+const struct fib_prop fib_props[RTN_MAX + 1] = {
[RTN_UNSPEC] = {
.error = 0,
.scope = RT_SCOPE_NOWHERE,
@@ -902,68 +898,6 @@ failure:
return ERR_PTR(err);
}
-/* Note! fib_semantic_match intentionally uses RCU list functions. */
-int fib_semantic_match(struct fib_table *tb, struct list_head *head,
- const struct flowi *flp, struct fib_result *res,
- int prefixlen, int fib_flags)
-{
- struct fib_alias *fa;
- int nh_sel = 0;
-
- list_for_each_entry_rcu(fa, head, fa_list) {
- int err;
-
- if (fa->fa_tos &&
- fa->fa_tos != flp->fl4_tos)
- continue;
-
- if (fa->fa_scope < flp->fl4_scope)
- continue;
-
- fib_alias_accessed(fa);
-
- err = fib_props[fa->fa_type].error;
- if (err == 0) {
- struct fib_info *fi = fa->fa_info;
-
- if (fi->fib_flags & RTNH_F_DEAD)
- continue;
-
- for_nexthops(fi) {
- if (nh->nh_flags & RTNH_F_DEAD)
- continue;
- if (!flp->oif || flp->oif == nh->nh_oif)
- break;
- }
-#ifdef CONFIG_IP_ROUTE_MULTIPATH
- if (nhsel < fi->fib_nhs) {
- nh_sel = nhsel;
- goto out_fill_res;
- }
-#else
- if (nhsel < 1)
- goto out_fill_res;
-#endif
- endfor_nexthops(fi);
- continue;
- }
- return err;
- }
- return 1;
-
-out_fill_res:
- res->prefixlen = prefixlen;
- res->nh_sel = nh_sel;
- res->type = fa->fa_type;
- res->scope = fa->fa_scope;
- res->fi = fa->fa_info;
- res->table = tb;
- res->fa_head = head;
- if (!(fib_flags & FIB_LOOKUP_NOREF))
- atomic_inc(&res->fi->fib_clntref);
- return 0;
-}
-
/* Find appropriate source address to this destination */
__be32 __fib_res_prefsrc(struct fib_result *res)
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