From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH v3 2/7] mbuf: use the reserved 16 bits for double vlan Date: Sun, 28 Jun 2015 22:36:51 +0200 Message-ID: <1516139.mFtrbLFMUC@xps13> References: <1433214967-22247-1-git-send-email-helin.zhang@intel.com> <1434006240-7271-3-git-send-email-helin.zhang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: Neil Horman , olivier.matz@6wind.com Return-path: Received: from mail-wg0-f52.google.com (mail-wg0-f52.google.com [74.125.82.52]) by dpdk.org (Postfix) with ESMTP id CE77AC5C4 for ; Sun, 28 Jun 2015 22:37:59 +0200 (CEST) Received: by wgqq4 with SMTP id q4so125880902wgq.1 for ; Sun, 28 Jun 2015 13:37:59 -0700 (PDT) In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Neil, Olivier, Your opinions are requested here. Thanks 2015-06-25 08:31, Zhang, Helin: > Hi Neil [...] > > -279,7 +285,7 @@ struct rte_mbuf { > > uint16_t data_len; /**< Amount of data in segment buffer. */ > > uint32_t pkt_len; /**< Total pkt len: sum of all segments. */ > > uint16_t vlan_tci; /**< VLAN Tag Control Identifier (CPU order) */ > > - uint16_t reserved; > > + uint16_t vlan_tci_outer; /**< Outer VLAN Tag Control Identifier (CPU > > +order) */ > Do you think here is a ABI break or not? Just using the reserved 16 bits, which was > intended for the second_vlan_tag. Thanks in advance! > I did not see any "Incompatible" reported by validate_abi.sh. > > Regards, > Helin