From patchwork Thu Feb 12 12:00:57 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ouyang Changchun X-Patchwork-Id: 3212 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 4E21AAD88; Thu, 12 Feb 2015 13:02:15 +0100 (CET) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 8EF4DAD88 for ; Thu, 12 Feb 2015 13:02:13 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 12 Feb 2015 03:58:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,565,1418112000"; d="scan'208";a="684724110" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga002.jf.intel.com with ESMTP; 12 Feb 2015 04:02:12 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t1CC287j013886; Thu, 12 Feb 2015 20:02:08 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t1CC25pX030613; Thu, 12 Feb 2015 20:02:07 +0800 Received: (from couyang@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t1CC251q030609; Thu, 12 Feb 2015 20:02:05 +0800 From: Ouyang Changchun To: dev@dpdk.org Date: Thu, 12 Feb 2015 20:00:57 +0800 Message-Id: <1423742468-30404-26-git-send-email-changchun.ouyang@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1423742468-30404-1-git-send-email-changchun.ouyang@intel.com> References: <1423742468-30404-1-git-send-email-changchun.ouyang@intel.com> Subject: [dpdk-dev] [PATCH 25/36] ixgbe base codes: Refine branch statement 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" Use switch-case statement to replace if-else statement. Signed-off-by: Changchun Ouyang --- lib/librte_pmd_ixgbe/ixgbe/ixgbe_common.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_common.c b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_common.c index 1a536d8..d801de3 100644 --- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_common.c +++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_common.c @@ -4079,26 +4079,27 @@ s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed, *link_up = false; } - if ((links_reg & IXGBE_LINKS_SPEED_82599) == - IXGBE_LINKS_SPEED_10G_82599) { + switch (links_reg & IXGBE_LINKS_SPEED_82599) { + case IXGBE_LINKS_SPEED_10G_82599: *speed = IXGBE_LINK_SPEED_10GB_FULL; if (hw->mac.type >= ixgbe_mac_X550) { if (links_reg & IXGBE_LINKS_SPEED_NON_STD) *speed = IXGBE_LINK_SPEED_2_5GB_FULL; } - } - else if ((links_reg & IXGBE_LINKS_SPEED_82599) == - IXGBE_LINKS_SPEED_1G_82599) + break; + case IXGBE_LINKS_SPEED_1G_82599: *speed = IXGBE_LINK_SPEED_1GB_FULL; - else if ((links_reg & IXGBE_LINKS_SPEED_82599) == - IXGBE_LINKS_SPEED_100_82599) + break; + case IXGBE_LINKS_SPEED_100_82599: *speed = IXGBE_LINK_SPEED_100_FULL; - else if (hw->mac.type >= ixgbe_mac_X550) { if (links_reg & IXGBE_LINKS_SPEED_NON_STD) *speed = IXGBE_LINK_SPEED_5GB_FULL; } + break; + default: *speed = IXGBE_LINK_SPEED_UNKNOWN; + } return IXGBE_SUCCESS; }