From patchwork Sun Mar 6 15:41:37 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Helin" X-Patchwork-Id: 11101 X-Patchwork-Delegate: bruce.richardson@intel.com 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 32FC22C6A; Sun, 6 Mar 2016 16:42:25 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 61C693005 for ; Sun, 6 Mar 2016 16:42:23 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP; 06 Mar 2016 07:42:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,546,1449561600"; d="scan'208";a="927979396" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga002.jf.intel.com with ESMTP; 06 Mar 2016 07:42:21 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id u26FgJSx032203; Sun, 6 Mar 2016 23:42:19 +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 u26FgGXi030884; Sun, 6 Mar 2016 23:42:18 +0800 Received: (from hzhan75@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id u26FgGdL030880; Sun, 6 Mar 2016 23:42:16 +0800 From: Helin Zhang To: dev@dpdk.org Date: Sun, 6 Mar 2016 23:41:37 +0800 Message-Id: <1457278919-30800-8-git-send-email-helin.zhang@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1457278919-30800-1-git-send-email-helin.zhang@intel.com> References: <1455806076-18497-1-git-send-email-helin.zhang@intel.com> <1457278919-30800-1-git-send-email-helin.zhang@intel.com> Subject: [dpdk-dev] [PATCH v4 07/29] i40e/base: set aq count after memory allocation 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" The standard way to check if the AQ is enabled is to look at the count field. So it should only set this field after it has successfully allocated memory. Signed-off-by: Helin Zhang Acked-by: Jingjing Wu --- drivers/net/i40e/base/i40e_adminq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) v4: - Reworded the commit logs. diff --git a/drivers/net/i40e/base/i40e_adminq.c b/drivers/net/i40e/base/i40e_adminq.c index e1a162e..ee563e4 100644 --- a/drivers/net/i40e/base/i40e_adminq.c +++ b/drivers/net/i40e/base/i40e_adminq.c @@ -431,7 +431,6 @@ enum i40e_status_code i40e_init_asq(struct i40e_hw *hw) hw->aq.asq.next_to_use = 0; hw->aq.asq.next_to_clean = 0; - hw->aq.asq.count = hw->aq.num_asq_entries; /* allocate the ring memory */ ret_code = i40e_alloc_adminq_asq_ring(hw); @@ -449,6 +448,7 @@ enum i40e_status_code i40e_init_asq(struct i40e_hw *hw) goto init_adminq_free_rings; /* success! */ + hw->aq.asq.count = hw->aq.num_asq_entries; goto init_adminq_exit; init_adminq_free_rings: @@ -490,7 +490,6 @@ enum i40e_status_code i40e_init_arq(struct i40e_hw *hw) hw->aq.arq.next_to_use = 0; hw->aq.arq.next_to_clean = 0; - hw->aq.arq.count = hw->aq.num_arq_entries; /* allocate the ring memory */ ret_code = i40e_alloc_adminq_arq_ring(hw); @@ -508,6 +507,7 @@ enum i40e_status_code i40e_init_arq(struct i40e_hw *hw) goto init_adminq_free_rings; /* success! */ + hw->aq.arq.count = hw->aq.num_arq_entries; goto init_adminq_exit; init_adminq_free_rings: