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[ovs-dev,net-next,V17,2/3] Check for vlan ethernet types for 8021.q or 802.1ad

Message ID 1445130748-27671-3-git-send-email-thomasfherbert@gmail.com
State Not Applicable
Headers show

Commit Message

Thomas F Herbert Oct. 18, 2015, 1:12 a.m. UTC 
Signed-off-by: Thomas F Herbert <thomasfherbert@gmail.com>
---
 include/linux/if_vlan.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Comments

Pravin B Shelar Oct. 19, 2015, 6:20 p.m. UTC | #1 
On Sat, Oct 17, 2015 at 6:12 PM, Thomas F Herbert
<thomasfherbert@gmail.com> wrote:
> Signed-off-by: Thomas F Herbert <thomasfherbert@gmail.com>

Acked-by: Pravin B Shelar <pshelar@nicira.com>
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Patch

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 67ce5bd..d2494b5 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -627,6 +627,22 @@  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):
+	case htons(ETH_P_8021AD):
+		return true;
+	default:
+		return false;
+	}
+}
 
 /**
  * compare_vlan_header - Compare two vlan headers