diff mbox series

[RFC,net-next,10/19] ipv6: Report dead flag during route dump

Message ID 20171231161513.25785-11-idosch@mellanox.com
State RFC, archived
Delegated to: David Miller
Headers show
Series [RFC,net-next,01/19] ipv6: Remove redundant route flushing during namespace dismantle | expand

Commit Message

Ido Schimmel Dec. 31, 2017, 4:15 p.m. UTC 
Up until now the RTNH_F_DEAD flag was only reported in route dump when
the 'ignore_routes_with_linkdown' sysctl was set. This is expected as
dead routes were flushed otherwise.

The reliance on this sysctl is going to be removed, so we need to report
the flag regardless of the sysctl's value.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
---
 net/ipv6/route.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 0927b02b2819..4d0d32309bcc 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -4049,6 +4049,9 @@  static size_t rt6_nlmsg_size(struct rt6_info *rt)
 static int rt6_nexthop_info(struct sk_buff *skb, struct rt6_info *rt,
 			    unsigned int *flags, bool skip_oif)
 {
+	if (rt->rt6i_nh_flags & RTNH_F_DEAD)
+		*flags |= RTNH_F_DEAD;
+
 	if (rt->rt6i_nh_flags & RTNH_F_LINKDOWN) {
 		*flags |= RTNH_F_LINKDOWN;
 		if (rt->rt6i_idev->cnf.ignore_routes_with_linkdown)