From patchwork Mon Apr 23 17:48:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Wang X-Patchwork-Id: 38681 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 1603E2583; Mon, 23 Apr 2018 11:18:10 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id ABD5C1DB9 for ; Mon, 23 Apr 2018 11:18:07 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Apr 2018 02:18:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,317,1520924400"; d="scan'208";a="218639988" Received: from dpdk-xiao-1.sh.intel.com ([10.67.111.90]) by orsmga005.jf.intel.com with ESMTP; 23 Apr 2018 02:18:03 -0700 From: Xiao Wang To: ferruh.yigit@intel.com Cc: dev@dpdk.org, Xiao Wang Date: Tue, 24 Apr 2018 01:48:21 +0800 Message-Id: <20180423174821.18066-1-xiao.w.wang@intel.com> X-Mailer: git-send-email 2.15.1 Subject: [dpdk-dev] [PATCH] net/ifcvf: fix last used idx read X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Fixes: 7b0c17368af2 ("net/ifcvf: add ifcvf vdpa driver") Signed-off-by: Xiao Wang --- drivers/net/ifc/base/ifcvf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ifc/base/ifcvf.c b/drivers/net/ifc/base/ifcvf.c index d312ad99f..bbeed30e8 100644 --- a/drivers/net/ifc/base/ifcvf.c +++ b/drivers/net/ifc/base/ifcvf.c @@ -250,7 +250,7 @@ ifcvf_hw_disable(struct ifcvf_hw *hw) ring_state = *(u32 *)(hw->lm_cfg + IFCVF_LM_RING_STATE_OFFSET + (i / 2) * IFCVF_LM_CFG_SIZE + (i % 2) * 4); hw->vring[i].last_avail_idx = (u16)ring_state; - hw->vring[i].last_used_idx = (u16)ring_state >> 16; + hw->vring[i].last_used_idx = (u16)(ring_state >> 16); } }