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authordingtianhong <dingtianhong@huawei.com>2014-03-25 17:44:42 +0800
committerDavid S. Miller <davem@davemloft.net>2014-03-26 16:41:28 -0400
commit71e415e44c1f9b7a4f05dac4f8038575dbef0c6f (patch)
treea6ee4a671c70992ed02c1183fec49997ca65c99f /net/8021q
parent5a6b99170c7042702112c64bec46bcca9fbcc6d7 (diff)
vlan: make a new function vlan_dev_vlan_proto() and export
The vlan support 2 proto: 802.1q and 802.1ad, so make a new function called vlan_dev_vlan_proto() which could return the vlan proto for input dev. Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q')
-rw-r--r--net/8021q/vlan_core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 35b3c192d7b9..3c32bd257b73 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -106,6 +106,12 @@ u16 vlan_dev_vlan_id(const struct net_device *dev)
}
EXPORT_SYMBOL(vlan_dev_vlan_id);
+__be16 vlan_dev_vlan_proto(const struct net_device *dev)
+{
+ return vlan_dev_priv(dev)->vlan_proto;
+}
+EXPORT_SYMBOL(vlan_dev_vlan_proto);
+
static struct sk_buff *vlan_reorder_header(struct sk_buff *skb)
{
if (skb_cow(skb, skb_headroom(skb)) < 0)

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