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Diffstat (limited to 'net/ipv6/ip6_fib.c')
-rw-r--r--net/ipv6/ip6_fib.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 192dd1a0e188..5fc9c7a68d8d 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -632,6 +632,12 @@ insert_above:
return ln;
}
+static inline bool rt6_qualify_for_ecmp(struct rt6_info *rt)
+{
+ return (rt->rt6i_flags & (RTF_GATEWAY|RTF_ADDRCONF|RTF_DYNAMIC)) ==
+ RTF_GATEWAY;
+}
+
/*
* Insert routing information in a node.
*/
@@ -646,6 +652,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
int add = (!info->nlh ||
(info->nlh->nlmsg_flags & NLM_F_CREATE));
int found = 0;
+ bool rt_can_ecmp = rt6_qualify_for_ecmp(rt);
ins = &fn->leaf;
@@ -691,9 +698,8 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
* To avoid long list, we only had siblings if the
* route have a gateway.
*/
- if (rt->rt6i_flags & RTF_GATEWAY &&
- !(rt->rt6i_flags & RTF_EXPIRES) &&
- !(iter->rt6i_flags & RTF_EXPIRES))
+ if (rt_can_ecmp &&
+ rt6_qualify_for_ecmp(iter))
rt->rt6i_nsiblings++;
}
@@ -715,7 +721,8 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
/* Find the first route that have the same metric */
sibling = fn->leaf;
while (sibling) {
- if (sibling->rt6i_metric == rt->rt6i_metric) {
+ if (sibling->rt6i_metric == rt->rt6i_metric &&
+ rt6_qualify_for_ecmp(sibling)) {
list_add_tail(&rt->rt6i_siblings,
&sibling->rt6i_siblings);
break;

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