From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (xvm-189-124.dc0.ghst.net [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id BC1F5A09FF; Tue, 5 Jan 2021 03:59:12 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 44F5A160786; Tue, 5 Jan 2021 03:59:12 +0100 (CET) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by mails.dpdk.org (Postfix) with ESMTP id D5F90160784; Tue, 5 Jan 2021 03:59:09 +0100 (CET) IronPort-SDR: Hxepkf6AV9bUIpe10t3A5woLpmknz4irlj5k9diBAjE4HAKVRUq7Q01uNrVmbalIvHZERfRW2H VgDr3CVmmkbA== X-IronPort-AV: E=McAfee;i="6000,8403,9854"; a="164744450" X-IronPort-AV: E=Sophos;i="5.78,475,1599548400"; d="scan'208";a="164744450" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2021 18:59:08 -0800 IronPort-SDR: yxZtgcmorFd6lr+lh9tDmQTRXJgUG976Q2S8tNg58m6w/fT3ZdOHg885/wgUZ+ACzNGNYu/GEa Tz90nYZoMuBA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,475,1599548400"; d="scan'208";a="378684268" Received: from dpdk-beileix-3.sh.intel.com ([10.67.110.150]) by orsmga008.jf.intel.com with ESMTP; 04 Jan 2021 18:59:06 -0800 From: beilei.xing@intel.com To: jia.guo@intel.com, dev@dpdk.org Cc: Beilei Xing , stable@dpdk.org, Chenmin Sun Date: Wed, 6 Jan 2021 10:51:00 +0800 Message-Id: <20210106025100.88688-1-beilei.xing@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201229054639.92132-1-beilei.xing@intel.com> References: <20201229054639.92132-1-beilei.xing@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v4] net/i40e: fix flex payload rule conflict issue X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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: Beilei Xing With the following commands, the second flow can't be created successfully. 1. flow create 0 ingress pattern eth / ipv4 / udp / raw relative is 1 pattern is 0102030405 / end actions drop / end 2. flow destroy 0 rule 0 3. flow create 0 ingress pattern eth / ipv4 / udp / raw relative is 1 pattern is 010203040506 / end actions drop / end The root cause is that a flag for flex pit isn't reset. Fixes: 6ced3dd72f5f ("net/i40e: support flexible payload parsing for FDIR") Cc: stable@dpdk.org Reported-by: Chenmin Sun Signed-off-by: Beilei Xing --- v4 changes: - Code refine. v3 changes: - Add flow count for flexible payload flow. v2 changeds: - Add fix line. drivers/net/i40e/i40e_ethdev.h | 3 +++ drivers/net/i40e/i40e_fdir.c | 19 ++++++++++++++++--- drivers/net/i40e/i40e_flow.c | 4 ++++ 3 files changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h index 696c5aaf7e..aac226999c 100644 --- a/drivers/net/i40e/i40e_ethdev.h +++ b/drivers/net/i40e/i40e_ethdev.h @@ -636,6 +636,7 @@ struct i40e_fdir_flow_ext { bool is_udp; /* ipv4|ipv6 udp flow */ enum i40e_flxpld_layer_idx layer_idx; struct i40e_fdir_flex_pit flex_pit[I40E_MAX_FLXPLD_LAYER * I40E_MAX_FLXPLD_FIED]; + bool is_flex_flow; }; /* A structure used to define the input for a flow director filter entry */ @@ -784,6 +785,8 @@ struct i40e_fdir_info { bool flex_mask_flag[I40E_FILTER_PCTYPE_MAX]; bool inset_flag[I40E_FILTER_PCTYPE_MAX]; /* Mark if input set is set */ + + uint32_t flex_flow_count[I40E_MAX_FLXPLD_LAYER]; }; /* Ethertype filter number HW supports */ diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c index 50c0eee9f2..0343e8b09a 100644 --- a/drivers/net/i40e/i40e_fdir.c +++ b/drivers/net/i40e/i40e_fdir.c @@ -355,6 +355,7 @@ i40e_init_flx_pld(struct i40e_pf *pf) I40E_PRTQF_FLX_PIT(index + 1), 0x0000FC29);/*non-used*/ I40E_WRITE_REG(hw, I40E_PRTQF_FLX_PIT(index + 2), 0x0000FC2A);/*non-used*/ + pf->fdir.flex_pit_flag[i] = 0; } /* initialize the masks */ @@ -1513,8 +1514,6 @@ i40e_flow_set_fdir_flex_pit(struct i40e_pf *pf, I40E_WRITE_REG(hw, I40E_PRTQF_FLX_PIT(field_idx), flx_pit); min_next_off++; } - - pf->fdir.flex_pit_flag[layer_idx] = 1; } static int @@ -1686,7 +1685,7 @@ i40e_flow_add_del_fdir_filter(struct rte_eth_dev *dev, i40e_fdir_filter_convert(filter, &check_filter); if (add) { - if (!filter->input.flow_ext.customized_pctype) { + if (filter->input.flow_ext.is_flex_flow) { for (i = 0; i < filter->input.flow_ext.raw_id; i++) { layer_idx = filter->input.flow_ext.layer_idx; field_idx = layer_idx * I40E_MAX_FLXPLD_FIED + i; @@ -1738,6 +1737,9 @@ i40e_flow_add_del_fdir_filter(struct rte_eth_dev *dev, fdir_info->fdir_guarantee_free_space > 0) wait_status = false; } else { + if (filter->input.flow_ext.is_flex_flow) + layer_idx = filter->input.flow_ext.layer_idx; + node = i40e_sw_fdir_filter_lookup(fdir_info, &check_filter.fdir.input); if (!node) { @@ -1785,6 +1787,17 @@ i40e_flow_add_del_fdir_filter(struct rte_eth_dev *dev, goto error_op; } + if (filter->input.flow_ext.is_flex_flow) { + if (add) { + fdir_info->flex_flow_count[layer_idx]++; + pf->fdir.flex_pit_flag[layer_idx] = 1; + } else { + fdir_info->flex_flow_count[layer_idx]--; + if (!fdir_info->flex_flow_count[layer_idx]) + pf->fdir.flex_pit_flag[layer_idx] = 0; + } + } + if (add) { fdir_info->fdir_actual_cnt++; if (fdir_info->fdir_invalprio == 1 && diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index b09ff6590d..bbd666b7a0 100644 --- a/drivers/net/i40e/i40e_flow.c +++ b/drivers/net/i40e/i40e_flow.c @@ -3069,6 +3069,7 @@ i40e_flow_parse_fdir_pattern(struct rte_eth_dev *dev, &flex_pit, sizeof(struct i40e_fdir_flex_pit)); filter->input.flow_ext.layer_idx = layer_idx; filter->input.flow_ext.raw_id = raw_id; + filter->input.flow_ext.is_flex_flow = true; break; case RTE_FLOW_ITEM_TYPE_VF: vf_spec = item->spec; @@ -5515,6 +5516,9 @@ i40e_flow_flush_fdir_filter(struct i40e_pf *pf) pf->fdir.flex_mask_flag[pctype] = 0; } + for (i = 0; i < I40E_MAX_FLXPLD_LAYER; i++) + pf->fdir.flex_pit_flag[i] = 0; + /* Disable FDIR processing as all FDIR rules are now flushed */ i40e_fdir_rx_proc_enable(dev, 0); } -- 2.26.2