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IPv4: RTM_GETROUTE: Add RTA_ENCAP to result

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This patch adds an IPv4 routes encapsulation attribute
to the result of netlink RTM_GETROUTE requests
(e.g. ip route get 192.0.2.1).

Signed-off-by: Oliver Herms <oliver.peter.herms@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20201113085517.GA1307262@tws
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Oliver Herms 2020-11-13 09:55:17 +01:00 committed by Jakub Kicinski
parent 2d38c5802f
commit ae8cb93286
1 changed files with 3 additions and 0 deletions
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3
net/ipv4/route.c
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@ -2872,6 +2872,9 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src,
if (rt->dst.dev &&
nla_put_u32(skb, RTA_OIF, rt->dst.dev->ifindex))
goto nla_put_failure;
if (rt->dst.lwtstate &&
lwtunnel_fill_encap(skb, rt->dst.lwtstate, RTA_ENCAP, RTA_ENCAP_TYPE) < 0)
goto nla_put_failure;
#ifdef CONFIG_IP_ROUTE_CLASSID
if (rt->dst.tclassid &&
nla_put_u32(skb, RTA_FLOW, rt->dst.tclassid))