From patchwork Thu Sep 26 10:57:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alvin Zhang X-Patchwork-Id: 59774 X-Patchwork-Delegate: xiaolong.ye@intel.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 AFFB02BCE; Thu, 26 Sep 2019 04:24:01 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id D7E0A2BB5; Thu, 26 Sep 2019 04:23:59 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Sep 2019 19:23:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,549,1559545200"; d="scan'208";a="219205549" Received: from unknown (HELO localhost.localdomain) ([10.240.176.181]) by fmsmga002.fm.intel.com with ESMTP; 25 Sep 2019 19:23:57 -0700 From: alvinx.zhang@intel.com To: qi.z.zhang@intel.com, beilei.xing@intel.com Cc: dev@dpdk.org, Alvin Zhang , stable@dpdk.org Date: Thu, 26 Sep 2019 18:57:49 +0800 Message-Id: <20190926105749.68602-1-alvinx.zhang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190920105722.48921-1-alvinx.zhang@intel.com> References: <20190920105722.48921-1-alvinx.zhang@intel.com> Subject: [dpdk-dev] [PATCH v2] net/i40e: fix exception with multi-driver 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: Alvin Zhang If support-multi-driver is enabled, the global registers should not be configured. But with the correct code base, if creating a flow with rte_flow API, the global register GLQF_FD_MSK may be changed. Fixes: cfdfca493cae ("net/i40e: fix multiple driver support") Cc: stable@dpdk.org Signed-off-by: Alvin Zhang --- v2: modify codes according to the comments. --- drivers/net/i40e/i40e_flow.c | 34 +++++++++++++++++++++++++++------- 1 file changed, 27 insertions(+), 7 deletions(-) diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index e902a35..9dd7b13 100644 --- a/drivers/net/i40e/i40e_flow.c +++ b/drivers/net/i40e/i40e_flow.c @@ -2349,6 +2349,33 @@ static int i40e_flow_destroy_tunnel_filter(struct i40e_pf *pf, if (num < 0) return -EINVAL; + if (pf->support_multi_driver) { + for (i = 0; i < num; i++) + if (i40e_read_rx_ctl(hw, + I40E_GLQF_FD_MSK(i, pctype)) != + mask_reg[i]) { + PMD_DRV_LOG(ERR, "Input set setting is not" + " supported."); + return -EPERM; + } + for (i = num; i < I40E_INSET_MASK_NUM_REG; i++) + if (i40e_read_rx_ctl(hw, + I40E_GLQF_FD_MSK(i, pctype)) != 0) { + PMD_DRV_LOG(ERR, "Input set setting is not" + " supported."); + return -EPERM; + } + + } else { + for (i = 0; i < num; i++) + i40e_check_write_reg(hw, I40E_GLQF_FD_MSK(i, pctype), + mask_reg[i]); + /*clear unused mask registers of the pctype */ + for (i = num; i < I40E_INSET_MASK_NUM_REG; i++) + i40e_check_write_reg(hw, + I40E_GLQF_FD_MSK(i, pctype), 0); + } + inset_reg |= i40e_translate_input_set_reg(hw->mac.type, input_set); i40e_check_write_reg(hw, I40E_PRTQF_FD_INSET(pctype, 0), @@ -2357,13 +2384,6 @@ static int i40e_flow_destroy_tunnel_filter(struct i40e_pf *pf, (uint32_t)((inset_reg >> I40E_32_BIT_WIDTH) & UINT32_MAX)); - for (i = 0; i < num; i++) - i40e_check_write_reg(hw, I40E_GLQF_FD_MSK(i, pctype), - mask_reg[i]); - - /*clear unused mask registers of the pctype */ - for (i = num; i < I40E_INSET_MASK_NUM_REG; i++) - i40e_check_write_reg(hw, I40E_GLQF_FD_MSK(i, pctype), 0); I40E_WRITE_FLUSH(hw); pf->fdir.input_set[pctype] = input_set;