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Diffstat (limited to 'net/ipv4/fib_semantics.c')
-rw-r--r--net/ipv4/fib_semantics.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 7d36a950d961..c27122f01b87 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -171,7 +171,7 @@ static void free_nh_exceptions(struct fib_nh *nh)
fnhe = rcu_dereference_protected(hash[i].chain, 1);
while (fnhe) {
struct fib_nh_exception *next;
-
+
next = rcu_dereference_protected(fnhe->fnhe_next, 1);
rt_fibinfo_free(&fnhe->fnhe_rth_input);
@@ -1746,18 +1746,20 @@ void fib_select_multipath(struct fib_result *res, int hash)
bool first = false;
for_nexthops(fi) {
+ if (net->ipv4.sysctl_fib_multipath_use_neigh) {
+ if (!fib_good_nh(nh))
+ continue;
+ if (!first) {
+ res->nh_sel = nhsel;
+ first = true;
+ }
+ }
+
if (hash > atomic_read(&nh->nh_upper_bound))
continue;
- if (!net->ipv4.sysctl_fib_multipath_use_neigh ||
- fib_good_nh(nh)) {
- res->nh_sel = nhsel;
- return;
- }
- if (!first) {
- res->nh_sel = nhsel;
- first = true;
- }
+ res->nh_sel = nhsel;
+ return;
} endfor_nexthops(fi);
}
#endif
@@ -1765,14 +1767,12 @@ void fib_select_multipath(struct fib_result *res, int hash)
void fib_select_path(struct net *net, struct fib_result *res,
struct flowi4 *fl4, const struct sk_buff *skb)
{
- bool oif_check;
-
- oif_check = (fl4->flowi4_oif == 0 ||
- fl4->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF);
+ if (fl4->flowi4_oif && !(fl4->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF))
+ goto check_saddr;
#ifdef CONFIG_IP_ROUTE_MULTIPATH
- if (res->fi->fib_nhs > 1 && oif_check) {
- int h = fib_multipath_hash(res->fi, fl4, skb);
+ if (res->fi->fib_nhs > 1) {
+ int h = fib_multipath_hash(net, fl4, skb, NULL);
fib_select_multipath(res, h);
}
@@ -1780,10 +1780,10 @@ void fib_select_path(struct net *net, struct fib_result *res,
#endif
if (!res->prefixlen &&
res->table->tb_num_default > 1 &&
- res->type == RTN_UNICAST && oif_check)
+ res->type == RTN_UNICAST)
fib_select_default(fl4, res);
+check_saddr:
if (!fl4->saddr)
fl4->saddr = FIB_RES_PREFSRC(net, *res);
}
-EXPORT_SYMBOL_GPL(fib_select_path);