From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2E59CA2F6B for ; Tue, 8 Oct 2019 04:04:44 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id F41111C02D; Tue, 8 Oct 2019 04:04:43 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id BEFC02986; Tue, 8 Oct 2019 04:04:40 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Oct 2019 19:04:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,269,1566889200"; d="scan'208";a="276969028" Received: from unknown (HELO localhost.localdomain) ([10.240.176.181]) by orsmga001.jf.intel.com with ESMTP; 07 Oct 2019 19:04:38 -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: Tue, 8 Oct 2019 18:52:31 +0800 Message-Id: <20191008105231.8296-1-alvinx.zhang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191008104145.6330-1-alvinx.zhang@intel.com> References: <20191008104145.6330-1-alvinx.zhang@intel.com> Subject: [dpdk-stable] [PATCH v3] net/i40e: fix exception with multi-driver X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" From: Alvin Zhang If support-multi-driver is enabled, the global registers should not be configured. But with the current 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 -- v3: modify codes according to the comments. v2: modify codes according to the comments. --- drivers/net/i40e/i40e_flow.c | 38 +++++++++++++++++++++++++++++++------- 1 file changed, 31 insertions(+), 7 deletions(-) diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index e902a35..f9c3183 100644 --- a/drivers/net/i40e/i40e_flow.c +++ b/drivers/net/i40e/i40e_flow.c @@ -2349,6 +2349,37 @@ 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 with" + " `support-multi-driver`" + " enabled!"); + 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 with" + " `support-multi-driver`" + " enabled!"); + 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 +2388,6 @@ 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; -- 1.8.3.1