From patchwork Tue Jan 19 02:48:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenzhuo Lu X-Patchwork-Id: 9955 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 47D868E9E; Tue, 19 Jan 2016 03:48:32 +0100 (CET) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 17C868F9E for ; Tue, 19 Jan 2016 03:48:29 +0100 (CET) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP; 18 Jan 2016 18:48:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,315,1449561600"; d="scan'208";a="884264804" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by fmsmga001.fm.intel.com with ESMTP; 18 Jan 2016 18:48:29 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id u0J2mQup010326; Tue, 19 Jan 2016 10:48:26 +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 u0J2mNgk025635; Tue, 19 Jan 2016 10:48:25 +0800 Received: (from wenzhuol@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id u0J2mNjh025631; Tue, 19 Jan 2016 10:48:23 +0800 From: Wenzhuo Lu To: dev@dpdk.org Date: Tue, 19 Jan 2016 10:48:05 +0800 Message-Id: <1453171693-25571-5-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1453171693-25571-1-git-send-email-wenzhuo.lu@intel.com> References: <1453171693-25571-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH 04/12] ixgbe/base: set VF mac address only when acked by PF 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" This patch resolves an issue where VF mac address is zeroed out in cases where the VF driver is loaded while the PF interface is down. The solution is to only set it when we get an ACK from the PF. Signed-off-by: Wenzhuo Lu --- drivers/net/ixgbe/base/ixgbe_vf.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ixgbe/base/ixgbe_vf.c b/drivers/net/ixgbe/base/ixgbe_vf.c index 50f5e54..dbb5194 100644 --- a/drivers/net/ixgbe/base/ixgbe_vf.c +++ b/drivers/net/ixgbe/base/ixgbe_vf.c @@ -228,7 +228,9 @@ s32 ixgbe_reset_hw_vf(struct ixgbe_hw *hw) msgbuf[0] != (IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_NACK)) return IXGBE_ERR_INVALID_MAC_ADDR; - memcpy(hw->mac.perm_addr, addr, IXGBE_ETH_LENGTH_OF_ADDRESS); + if (msgbuf[0] == (IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK)) + memcpy(hw->mac.perm_addr, addr, IXGBE_ETH_LENGTH_OF_ADDRESS); + hw->mac.mc_filter_type = msgbuf[IXGBE_VF_MC_TYPE_WORD]; return ret_val;