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Diffstat (limited to 'net/ipv6/ip6_fib.c')
-rw-r--r--net/ipv6/ip6_fib.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index ef5485204522..e4266746e4a2 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -318,6 +318,16 @@ static int fib6_dump_node(struct fib6_walker *w)
w->leaf = rt;
return 1;
}
+
+ /* Multipath routes are dumped in one route with the
+ * RTA_MULTIPATH attribute. Jump 'rt' to point to the
+ * last sibling of this route (no need to dump the
+ * sibling routes again)
+ */
+ if (rt->rt6i_nsiblings)
+ rt = list_last_entry(&rt->rt6i_siblings,
+ struct rt6_info,
+ rt6i_siblings);
}
w->leaf = NULL;
return 0;
@@ -746,6 +756,9 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
u16 nlflags = NLM_F_EXCL;
int err;
+ if (info->nlh && (info->nlh->nlmsg_flags & NLM_F_APPEND))
+ nlflags |= NLM_F_APPEND;
+
ins = &fn->leaf;
for (iter = fn->leaf; iter; iter = iter->dst.rt6_next) {
@@ -868,7 +881,8 @@ add:
*ins = rt;
rt->rt6i_node = fn;
atomic_inc(&rt->rt6i_ref);
- inet6_rt_notify(RTM_NEWROUTE, rt, info, nlflags);
+ if (!info->skip_notify)
+ inet6_rt_notify(RTM_NEWROUTE, rt, info, nlflags);
info->nl_net->ipv6.rt6_stats->fib_rt_entries++;
if (!(fn->fn_flags & RTN_RTINFO)) {
@@ -894,7 +908,8 @@ add:
rt->rt6i_node = fn;
rt->dst.rt6_next = iter->dst.rt6_next;
atomic_inc(&rt->rt6i_ref);
- inet6_rt_notify(RTM_NEWROUTE, rt, info, NLM_F_REPLACE);
+ if (!info->skip_notify)
+ inet6_rt_notify(RTM_NEWROUTE, rt, info, NLM_F_REPLACE);
if (!(fn->fn_flags & RTN_RTINFO)) {
info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
fn->fn_flags |= RTN_RTINFO;
@@ -1439,7 +1454,8 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
fib6_purge_rt(rt, fn, net);
- inet6_rt_notify(RTM_DELROUTE, rt, info, 0);
+ if (!info->skip_notify)
+ inet6_rt_notify(RTM_DELROUTE, rt, info, 0);
rt6_release(rt);
}