From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas F Herbert Subject: [PATCH net-next V15 2/3] Check for vlan ethernet types for 8021.q or 802.1ad Date: Sat, 10 Oct 2015 19:40:32 -0400 Message-ID: <1444520433-1958-3-git-send-email-thomasfherbert@gmail.com> References: <1444520433-1958-1-git-send-email-thomasfherbert@gmail.com> Cc: therbert@redhat.com, dev@openvswitch.org, Thomas F Herbert To: netdev@vger.kernel.org, pshelar@nicira.com Return-path: Received: from mail-wi0-f173.google.com ([209.85.212.173]:37489 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751262AbbJJXlB (ORCPT ); Sat, 10 Oct 2015 19:41:01 -0400 Received: by wijq8 with SMTP id q8so11535176wij.0 for ; Sat, 10 Oct 2015 16:41:00 -0700 (PDT) In-Reply-To: <1444520433-1958-1-git-send-email-thomasfherbert@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: Signed-off-by: Thomas F Herbert --- 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