[PATCH net-next v4 1/4] route: Set orig_output when redirecting to lwt on locally generated traffic
From: Thomas Graf <tgraf@suug.ch>
Date: 2016-11-30 16:10:19
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
orig_output for IPv4 was only set for dsts which hit an input route.
Set it consistently for locally generated traffic as well to allow
lwt to continue the dst_output() path as configured by the nexthop.
Fixes: 2536862311d ("lwt: Add support to redirect dst.input")
Signed-off-by: Thomas Graf <tgraf@suug.ch>
---
net/ipv4/route.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index d37fc6f..0c39b62 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c@@ -2154,8 +2154,10 @@ static struct rtable *__mkroute_output(const struct fib_result *res, } rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0); - if (lwtunnel_output_redirect(rth->dst.lwtstate)) + if (lwtunnel_output_redirect(rth->dst.lwtstate)) { + rth->dst.lwtstate->orig_output = rth->dst.output; rth->dst.output = lwtunnel_output; + } return rth; }
--
2.7.4