netdev - [PATCH net 4/6] openvswitch: Fix GSO with multiple MPLS label.

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Message-Id: <1419380428-1635-1-git-send-email-pshelar@nicira.com>
Date:	Tue, 23 Dec 2014 16:20:28 -0800
From:	Pravin B Shelar <pshelar@...ira.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, Pravin B Shelar <pshelar@...ira.com>
Subject: [PATCH net 4/6] openvswitch: Fix GSO with multiple MPLS label.

MPLS GSO needs to know inner most protocol to process GSO packets.

Fixes: 25cd9ba0abc ("openvswitch: Add basic MPLS support to
kernel").

Signed-off-by: Pravin B Shelar <pshelar@...ira.com>
---
 net/openvswitch/actions.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 764fdc3..770064c 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -147,7 +147,8 @@ static int push_mpls(struct sk_buff *skb, struct sw_flow_key *key,
 	hdr = eth_hdr(skb);
 	hdr->h_proto = mpls->mpls_ethertype;

-	skb_set_inner_protocol(skb, skb->protocol);
+	if (!skb->inner_protocol)
+		skb_set_inner_protocol(skb, skb->protocol);
 	skb->protocol = mpls->mpls_ethertype;

 	invalidate_flow_key(key);
-- 
1.7.1

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