[ovs-dev] [PATCH 2/3] datapath: use skb_mark for route lookups

Ansis Atteka aatteka at nicira.com
Thu Feb 14 19:50:52 UTC 2013


If IPsec policy uses skb mark, then we have to do route look up
with skb mark as well.

Issue: 14870
Signed-off-by: Ansis Atteka <aatteka at nicira.com>
---
 datapath/tunnel.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/datapath/tunnel.c b/datapath/tunnel.c
index 6193891..5564d32 100644
--- a/datapath/tunnel.c
+++ b/datapath/tunnel.c
@@ -360,7 +360,7 @@ void ovs_tnl_rcv(struct vport *vport, struct sk_buff *skb)
 
 static struct rtable *find_route(struct net *net,
 		__be32 *saddr, __be32 daddr, u8 ipproto,
-		u8 tos)
+		u8 tos, u32 skb_mark)
 {
 	struct rtable *rt;
 	/* Tunnel configuration keeps DSCP part of TOS bits, But Linux
@@ -381,6 +381,7 @@ static struct rtable *find_route(struct net *net,
 	struct flowi4 fl = { .daddr = daddr,
 			     .saddr = *saddr,
 			     .flowi4_tos = RT_TOS(tos),
+			     .flowi4_mark = skb_mark,
 			     .flowi4_proto = ipproto };
 
 	rt = ip_route_output_key(net, &fl);
@@ -609,7 +610,7 @@ int ovs_tnl_send(struct vport *vport, struct sk_buff *skb)
 
 	/* Route lookup */
 	rt = find_route(port_key_get_net(&mutable->key), &saddr, daddr,
-			  tnl_vport->tnl_ops->ipproto, tos);
+			  tnl_vport->tnl_ops->ipproto, tos, skb->mark);
 	if (IS_ERR(rt))
 		goto error_free;
 
@@ -773,7 +774,7 @@ static int tnl_set_config(struct net *net, struct nlattr *options,
 
 		rt = find_route(port_key_get_net(&mutable->key),
 			     &saddr, mutable->key.daddr,
-			     tnl_ops->ipproto, mutable->tos);
+			     tnl_ops->ipproto, mutable->tos, 0);
 		if (IS_ERR(rt))
 			return -EADDRNOTAVAIL;
 		dev = rt_dst(rt).dev;
-- 
1.7.9.5




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