From patchwork Fri Jul 28 15:48:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Li, Xiaoyun" X-Patchwork-Id: 27247 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 4723E7D08; Fri, 28 Jul 2017 09:59:03 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 067FC9147; Fri, 28 Jul 2017 09:59:00 +0200 (CEST) Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Jul 2017 00:58:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.40,424,1496127600"; d="scan'208";a="112904774" Received: from dpdk-lixiaoyun.sh.intel.com ([10.67.111.94]) by orsmga004.jf.intel.com with ESMTP; 28 Jul 2017 00:58:58 -0700 From: Xiaoyun Li To: jingjing.wu@intel.com Cc: dev@dpdk.org, Xiaoyun Li , stable@dpdk.org Date: Fri, 28 Jul 2017 23:48:11 +0800 Message-Id: <1501256891-38849-1-git-send-email-xiaoyun.li@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1501241979-15767-1-git-send-email-xiaoyun.li@intel.com> References: <1501241979-15767-1-git-send-email-xiaoyun.li@intel.com> Subject: [dpdk-dev] [PATCH v3] net/i40e: fix PF notify issue when VF not up 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" This patch stops PF from sending messages to inactive VF and modifies VF state to active when VF reset is completed. Fixes: 4861cde46116 ("i40e: new poll mode driver") Cc: stable@dpdk.org Signed-off-by: Xiaoyun Li Acked-by: Jingjing Wu --- drivers/net/i40e/i40e_pf.c | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/net/i40e/i40e_pf.c b/drivers/net/i40e/i40e_pf.c index b4cf57f..e64f849 100644 --- a/drivers/net/i40e/i40e_pf.c +++ b/drivers/net/i40e/i40e_pf.c @@ -152,22 +152,22 @@ i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset) val |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val); I40E_WRITE_FLUSH(hw); - } #define VFRESET_MAX_WAIT_CNT 100 - /* Wait until VF reset is done */ - for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) { - rte_delay_us(10); - val = I40E_READ_REG(hw, I40E_VPGEN_VFRSTAT(vf_id)); - if (val & I40E_VPGEN_VFRSTAT_VFRD_MASK) - break; - } + /* Wait until VF reset is done */ + for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) { + rte_delay_us(10); + val = I40E_READ_REG(hw, I40E_VPGEN_VFRSTAT(vf_id)); + if (val & I40E_VPGEN_VFRSTAT_VFRD_MASK) + break; + } - if (i >= VFRESET_MAX_WAIT_CNT) { - PMD_DRV_LOG(ERR, "VF reset timeout"); - return -ETIMEDOUT; + if (i >= VFRESET_MAX_WAIT_CNT) { + PMD_DRV_LOG(ERR, "VF reset timeout"); + return -ETIMEDOUT; + } + vf->state = I40E_VF_ACTIVE; } - /* This is not first time to do reset, do cleanup job first */ if (vf->vsi) { /* Disable queues */ @@ -262,7 +262,10 @@ i40e_pf_host_send_msg_to_vf(struct i40e_pf_vf *vf, { struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf); uint16_t abs_vf_id = hw->func_caps.vf_base_id + vf->vf_idx; - int ret; + int ret = I40E_ERR_ADMIN_QUEUE_ERROR; + + if (vf->state == I40E_VF_INACTIVE) + return ret; ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, opcode, retval, msg, msglen, NULL);