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Message-Id: <1443670380-4245-3-git-send-email-thomasfherbert@gmail.com>
Date: Wed, 30 Sep 2015 23:32:59 -0400
From: Thomas F Herbert <thomasfherbert@...il.com>
To: netdev@...r.kernel.org, pshelar@...ira.com
Cc: therbert@...hat.com, dev@...nvswitch.org,
Thomas F Herbert <thomasfherbert@...il.com>
Subject: [PATCH net-next V14 2/3] openvswitch: Check for vlan ethernet types for 8021.q or 802.1ad
Signed-off-by: Thomas F Herbert <thomasfherbert@...il.com>
---
include/linux/if_vlan.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 67ce5bd..88d1be4 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -627,6 +627,23 @@ static inline netdev_features_t vlan_features_check(const struct sk_buff *skb,
return features;
}
+/**
+ * eth_type_vlan - check for valid vlan ether type.
+ * @ethertype: ether type to check
+ *
+ * Returns true if the ether type is a vlan ether type.
+ */
+static inline bool eth_type_vlan(__be16 ethertype)
+{
+ switch (ethertype) {
+ case (htons(ETH_P_8021Q)):
+ return true;
+ case (htons(ETH_P_8021AD)):
+ return true;
+ default:
+ return false;
+ }
+}
/**
* compare_vlan_header - Compare two vlan headers
--
2.4.3
--
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