[PATCH net-next 07/17] ipv6: Add IPv6 multipath notification for route delete

[Ido Schimmel]

From: Ido Schimmel <ido...@mellanox.com>

If all the nexthops of a multipath route are being deleted, send one
notification for the entire route, instead of one per-nexthop.

Signed-off-by: Ido Schimmel <ido...@mellanox.com>
Acked-by: Jiri Pirko <j...@mellanox.com>
---
 net/ipv6/route.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index da504d36ce54..c4d285fe0adc 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3718,6 +3718,12 @@ static int __ip6_del_rt_siblings(struct fib6_info *rt, 
struct fib6_config *cfg)
                                info->skip_notify = 1;
                }
 
+               info->skip_notify_kernel = 1;
+               call_fib6_multipath_entry_notifiers(net,
+                                                   FIB_EVENT_ENTRY_DEL,
+                                                   rt,
+                                                   rt->fib6_nsiblings,
+                                                   NULL);
                list_for_each_entry_safe(sibling, next_sibling,
                                         &rt->fib6_siblings,
                                         fib6_siblings) {
-- 
2.20.1