[PATCH v2] IPv6: RTM_GETROUTE: Add RTA_ENCAP to result

[Oliver Herms]

This patch adds an IPv6 routes encapsulation attribute
to the result of netlink RTM_GETROUTE requests
(i.e. ip route get 2001:db8::).

Signed-off-by: Oliver Herms <oliver.peter.he...@gmail.com>
---
 net/ipv6/route.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 82cbb46a2a4f..d7e94eac3136 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -5489,6 +5489,10 @@ static int rt6_fill_node(struct net *net, struct sk_buff 
*skb,
        rtm->rtm_scope = RT_SCOPE_UNIVERSE;
        rtm->rtm_protocol = rt->fib6_protocol;
 
+       if (dst && dst->lwtstate && lwtunnel_fill_encap(skb, dst->lwtstate,
+           RTA_ENCAP, RTA_ENCAP_TYPE) < 0)
+               goto nla_put_failure;
+
        if (rt6_flags & RTF_CACHE)
                rtm->rtm_flags |= RTM_F_CLONED;
 
-- 
2.25.1