From patchwork Tue Sep 23 11:08:17 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bruce Richardson X-Patchwork-Id: 455 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 42236B373; Tue, 23 Sep 2014 13:02:31 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id DC7DD137D for ; Tue, 23 Sep 2014 13:02:29 +0200 (CEST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP; 23 Sep 2014 04:08:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,579,1406617200"; d="scan'208";a="595517434" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga001.fm.intel.com with ESMTP; 23 Sep 2014 04:08:19 -0700 Received: from sivswdev02.ir.intel.com (sivswdev02.ir.intel.com [10.237.217.46]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id s8NB8Ih7012725; Tue, 23 Sep 2014 12:08:19 +0100 Received: from sivswdev02.ir.intel.com (localhost [127.0.0.1]) by sivswdev02.ir.intel.com with ESMTP id s8NB8Itr010449; Tue, 23 Sep 2014 12:08:18 +0100 Received: (from bricha3@localhost) by sivswdev02.ir.intel.com with id s8NB8IAm010445; Tue, 23 Sep 2014 12:08:18 +0100 From: Bruce Richardson To: dev@dpdk.org Date: Tue, 23 Sep 2014 12:08:17 +0100 Message-Id: <1411470497-10209-6-git-send-email-bruce.richardson@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1411470497-10209-1-git-send-email-bruce.richardson@intel.com> References: <1410948102-12740-1-git-send-email-bruce.richardson@intel.com> <1411470497-10209-1-git-send-email-bruce.richardson@intel.com> Subject: [dpdk-dev] [PATCH v2 5/5] mbuf: switch vlan_tci and reserved2 fields X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list 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" Move the vlan_tci field up by two bytes in the mbuf data structure. This has two effects: * Ensures the the ixgbe vector driver places the vlan tag in the correct place in the mbuf. * Allows a second vlan tag field, if one is added in the future, to be placed after the existing vlan field, rather than before. Signed-off-by: Bruce Richardson --- lib/librte_mbuf/rte_mbuf.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index 9e70d3b..68304cc 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -159,8 +159,8 @@ struct rte_mbuf { uint16_t reserved2; /**< Unused field. Required for padding */ uint16_t data_len; /**< Amount of data in segment buffer. */ uint32_t pkt_len; /**< Total pkt len: sum of all segments. */ - uint16_t reserved; uint16_t vlan_tci; /**< VLAN Tag Control Identifier (CPU order) */ + uint16_t reserved; union { uint32_t rss; /**< RSS hash result if RSS enabled */ struct {