From patchwork Fri Jan 13 06:53:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenzhuo Lu X-Patchwork-Id: 19291 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 [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 8F088F951; Fri, 13 Jan 2017 07:54:38 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 83069558D; Fri, 13 Jan 2017 07:53:40 +0100 (CET) Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP; 12 Jan 2017 22:53:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,220,1477983600"; d="scan'208";a="52749778" Received: from dpdk26.sh.intel.com ([10.239.128.228]) by fmsmga005.fm.intel.com with ESMTP; 12 Jan 2017 22:53:39 -0800 From: Wenzhuo Lu To: dev@dpdk.org Cc: Ferruh Yigit , stable@dpdk.org Date: Fri, 13 Jan 2017 14:53:07 +0800 Message-Id: <1484290401-1404-13-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1484290401-1404-1-git-send-email-wenzhuo.lu@intel.com> References: <1480637533-37425-1-git-send-email-wenzhuo.lu@intel.com> <1484290401-1404-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH v9 12/26] net/i40e: fix VF MAC address assignment 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" From: Ferruh Yigit If PF sets vf->mac_addr, in VF initialization hw->mac.addr will be set to that same value. It is possible to check if PF set a MAC address or not through the hw->mac.addr variable. hw->mac.addr set by i40e_vf_parse_hw_config(), call stack is: In PF side i40e_pf_host_process_cmd_get_vf_resources() eth_addr_copy(vf->mac_addr, vf_res->vsi_res[0].default_mac_address) In VF sise i40evf_init_vf() i40evf_get_vf_resources() i40e_vf_parse_hw_config() memcpy(hw->mac.addr, vsi_res->default_mac_addr) Updated code is after i40evf_get_vf_resources() and can benefit from hw->mac.addr variable. Fixes: 89e6b86384bb ("i40evf: rework MAC address validation") CC: stable@dpdk.org Signed-off-by: Ferruh Yigit --- drivers/net/i40e/i40e_ethdev_vf.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 5016249..0977095 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -1193,7 +1193,6 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev, int i, err, bufsz; struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - struct ether_addr *p_mac_addr; uint16_t interval = i40e_calc_itr_interval(I40E_QUEUE_ITR_INTERVAL_MAX); @@ -1270,13 +1269,10 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev, vf->vsi.adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); /* Store the MAC address configured by host, or generate random one */ - p_mac_addr = (struct ether_addr *)(vf->vsi_res->default_mac_addr); - if (is_valid_assigned_ether_addr(p_mac_addr)) { /* Configured by host */ - ether_addr_copy(p_mac_addr, (struct ether_addr *)hw->mac.addr); + if (is_valid_assigned_ether_addr((struct ether_addr *)hw->mac.addr)) vf->flags |= I40E_FLAG_VF_MAC_BY_PF; - } else { + else eth_random_addr(hw->mac.addr); /* Generate a random one */ - } /* If the PF host is not DPDK, set the interval of ITR0 to max*/ if (vf->version_major != I40E_DPDK_VERSION_MAJOR) {