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| author | Tom Herbert <tom@herbertland.com> | 2015-08-17 13:42:24 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-08-17 21:33:05 -0700 |
| commit | 2536862311d2276454ddef9dc36d6551a4b400fd (patch) | |
| tree | 7be7caf4f95bdd2c50749dc2d42319acbc250030 /net/ipv4/route.c | |
| parent | f376d4adfdd2d860aea3e99aa86e98324621ece7 (diff) | |
| download | linux-stable-2536862311d2276454ddef9dc36d6551a4b400fd.tar.gz linux-stable-2536862311d2276454ddef9dc36d6551a4b400fd.tar.bz2 linux-stable-2536862311d2276454ddef9dc36d6551a4b400fd.zip | |
lwt: Add support to redirect dst.input
This patch adds the capability to redirect dst input in the same way
that dst output is redirected by LWT.
Also, save the original dst.input and and dst.out when setting up
lwtunnel redirection. These can be called by the client as a pass-
through.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/route.c')
| -rw-r--r-- | net/ipv4/route.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 2c89d294b669..2403e85107f0 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1631,8 +1631,14 @@ static int __mkroute_input(struct sk_buff *skb, rth->dst.output = ip_output; rt_set_nexthop(rth, daddr, res, fnhe, res->fi, res->type, itag); - if (lwtunnel_output_redirect(rth->rt_lwtstate)) + if (lwtunnel_output_redirect(rth->rt_lwtstate)) { + rth->rt_lwtstate->orig_output = rth->dst.output; rth->dst.output = lwtunnel_output; + } + if (lwtunnel_input_redirect(rth->rt_lwtstate)) { + rth->rt_lwtstate->orig_input = rth->dst.input; + rth->dst.input = lwtunnel_input; + } skb_dst_set(skb, &rth->dst); out: err = 0; |