From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas F Herbert Subject: [PATCH net-next V16 2/3] Check for vlan ethernet types for 8021.q or 802.1ad Date: Thu, 15 Oct 2015 10:36:53 -0400 Message-ID: <1444919813-27880-1-git-send-email-thomasfherbert@gmail.com> Cc: sergei.shtylyov@cogentembedded.com, Thomas F Herbert To: netdev@vger.kernel.org, pshelar@nicira.com Return-path: Received: from mail-qg0-f48.google.com ([209.85.192.48]:34839 "EHLO mail-qg0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751752AbbJOOhH (ORCPT ); Thu, 15 Oct 2015 10:37:07 -0400 Received: by qgt47 with SMTP id 47so72416979qgt.2 for ; Thu, 15 Oct 2015 07:37:06 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Signed-off-by: Thomas F Herbert --- include/linux/if_vlan.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 67ce5bd..ac23521 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 -- 2.4.3