netdev - [PATCH 03/10] ovs: Enable handling of UFO6 packets.

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Message-Id: <1418840455-22598-4-git-send-email-vyasevic@redhat.com>
Date:	Wed, 17 Dec 2014 13:20:48 -0500
From:	Vladislav Yasevich <vyasevich@...il.com>
To:	netdev@...r.kernel.org
Cc:	virtualization@...ts.linux-foundation.org, mst@...hat.com,
	ben@...adent.org.uk, stefanha@...hat.com,
	Vladislav Yasevich <vyasevic@...hat.com>
Subject: [PATCH 03/10] ovs: Enable handling of UFO6 packets.

Since UFO6 packets can now be identified by SKB_GSO_UDP6, add proper checks
to handel UFO6 flows.
Legacy applications may still have UFO6 packets identified by SKB_GSO_UDP,
so we need to continue to handle them correclty.

Signed-off-by: Vladislav Yasevich <vyasevic@...hat.com>
---
 net/openvswitch/datapath.c | 3 ++-
 net/openvswitch/flow.c     | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index f9e556b..b43fc60 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -334,7 +334,8 @@ static int queue_gso_packets(struct datapath *dp, struct sk_buff *skb,
 		if (err)
 			break;
 
-		if (skb == segs && gso_type & SKB_GSO_UDP) {
+		if (skb == segs &&
+		    ((gso_type & SKB_GSO_UDP) || (gso_type & SKB_GSO_UDP6))) {
 			/* The initial flow key extracted by ovs_flow_extract()
 			 * in this case is for a first fragment, so we need to
 			 * properly mark later fragments.
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index 2b78789..d03adf4 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -602,7 +602,7 @@ static int key_extract(struct sk_buff *skb, struct sw_flow_key *key)
 
 		if (key->ip.frag == OVS_FRAG_TYPE_LATER)
 			return 0;
-		if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP)
+		if (skb_shinfo(skb)->gso_type & (SKB_GSO_UDP | SKB_GSO_UDP6))
 			key->ip.frag = OVS_FRAG_TYPE_FIRST;
 
 		/* Transport layer. */
-- 
1.9.3

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