netdev - [PATCH net-next v12 8/9] openvswitch: allow L3 netdev ports

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Message-Id: <4ed33e7c676bdd876a2cc4b5bcbf92851a5727f7.1476708213.git.jbenc@redhat.com>
Date:   Mon, 17 Oct 2016 15:02:44 +0200
From:   Jiri Benc <jbenc@...hat.com>
To:     netdev@...r.kernel.org
Cc:     dev@...nvswitch.org, Pravin Shelar <pshelar@....org>,
        Lorand Jakab <lojakab@...co.com>,
        Simon Horman <simon.horman@...ronome.com>
Subject: [PATCH net-next v12 8/9] openvswitch: allow L3 netdev ports

Allow ARPHRD_NONE interfaces to be added to ovs bridge.

Based on previous versions by Lorand Jakab and Simon Horman.

Signed-off-by: Lorand Jakab <lojakab@...co.com>
Signed-off-by: Simon Horman <simon.horman@...ronome.com>
Signed-off-by: Jiri Benc <jbenc@...hat.com>
---
 net/openvswitch/vport-netdev.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index 4e3972344aa6..4309796bc870 100644
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -57,8 +57,10 @@ static void netdev_port_receive(struct sk_buff *skb)
 	if (unlikely(!skb))
 		return;
 
-	skb_push(skb, ETH_HLEN);
-	skb_postpush_rcsum(skb, skb->data, ETH_HLEN);
+	if (skb->dev->type == ARPHRD_ETHER) {
+		skb_push(skb, ETH_HLEN);
+		skb_postpush_rcsum(skb, skb->data, ETH_HLEN);
+	}
 	ovs_vport_receive(vport, skb, skb_tunnel_info(skb));
 	return;
 error:
@@ -97,7 +99,8 @@ struct vport *ovs_netdev_link(struct vport *vport, const char *name)
 	}
 
 	if (vport->dev->flags & IFF_LOOPBACK ||
-	    vport->dev->type != ARPHRD_ETHER ||
+	    (vport->dev->type != ARPHRD_ETHER &&
+	     vport->dev->type != ARPHRD_NONE) ||
 	    ovs_is_internal_dev(vport->dev)) {
 		err = -EINVAL;
 		goto error_put;
-- 
1.8.3.1