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 182E7A0521 for ; Fri, 24 Jul 2020 10:26:41 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id CE9861C031; Fri, 24 Jul 2020 10:26:40 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 5E3DA1BFE7; Fri, 24 Jul 2020 10:26:37 +0200 (CEST) IronPort-SDR: Ku3Vwt/DCZgvWHIb9qYJHW9ZssPS2pjbNh9P1VNqgUOLTeiKdVsmtGZMZumHXM1I0yMlKsSqKw RTwLQQvNP93w== X-IronPort-AV: E=McAfee;i="6000,8403,9691"; a="150661440" X-IronPort-AV: E=Sophos;i="5.75,390,1589266800"; d="scan'208";a="150661440" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jul 2020 01:26:35 -0700 IronPort-SDR: Bh/1/yfx/Ck+EpylTb8ogf34gMwoMSmwGqgzJj9Aw5J591CGqdi/lJWh9M8Ed4021w7+2YI0Lb iw1u9XM4vd8A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,390,1589266800"; d="scan'208";a="393251534" Received: from intel.sh.intel.com ([10.239.255.20]) by fmsmga001.fm.intel.com with ESMTP; 24 Jul 2020 01:26:33 -0700 From: Shougang Wang To: dev@dpdk.org Cc: beilei.xing@intel.com, jia.guo@intel.com, Yang Qiming , Shougang Wang , stable@dpdk.org Date: Fri, 24 Jul 2020 08:12:56 +0000 Message-Id: <20200724081256.47996-1-shougangx.wang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200715063515.9262-1-shougangx.wang@intel.com> References: <20200715063515.9262-1-shougangx.wang@intel.com> Subject: [dpdk-stable] [PATCH v5] net/i40e: fix incorrect hash look up table 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" The hash look up table (LUT) is managed by global register but it is not initialized when RSS is disabled. Once user wants to enable RSS during runtime, the LUT will not be initialized. This patch fixes the issue by initializing the LUT whatever RSS enabled or not. Fixes: feaae285b342 ("net/i40e: support hash configuration in RSS flow") Cc: stable@dpdk.org Signed-off-by: Shougang Wang --- v5: -Removed useless function --- drivers/net/i40e/i40e_ethdev.c | 25 ++++++------------------- 1 file changed, 6 insertions(+), 19 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 05d5f2861..6fa0a5c71 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -302,7 +302,6 @@ static int i40e_dev_init_vlan(struct rte_eth_dev *dev); static int i40e_veb_release(struct i40e_veb *veb); static struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, struct i40e_vsi *vsi); -static int i40e_pf_config_mq_rx(struct i40e_pf *pf); static int i40e_vsi_config_double_vlan(struct i40e_vsi *vsi, int on); static inline int i40e_find_all_mac_for_vlan(struct i40e_vsi *vsi, struct i40e_macvlan_filter *mv_f, @@ -398,6 +397,7 @@ static void i40e_ethertype_filter_restore(struct i40e_pf *pf); static void i40e_tunnel_filter_restore(struct i40e_pf *pf); static void i40e_filter_restore(struct i40e_pf *pf); static void i40e_notify_all_vfs_link_status(struct rte_eth_dev *dev); +static int i40e_pf_config_rss(struct i40e_pf *pf); static const char *const valid_keys[] = { ETH_I40E_FLOATING_VEB_ARG, @@ -1954,7 +1954,7 @@ i40e_dev_configure(struct rte_eth_dev *dev) goto err; /* VMDQ setup. - * Needs to move VMDQ setting out of i40e_pf_config_mq_rx() as VMDQ and + * Needs to move VMDQ setting out of i40e_pf_config_rss() as VMDQ and * RSS setting have different requirements. * General PMD driver call sequence are NIC init, configure, * rx/tx_queue_setup and dev_start. In rx/tx_queue_setup() function, it @@ -6478,7 +6478,7 @@ i40e_dev_rx_init(struct i40e_pf *pf) uint16_t i; struct i40e_rx_queue *rxq; - i40e_pf_config_mq_rx(pf); + i40e_pf_config_rss(pf); for (i = 0; i < data->nb_rx_queues; i++) { rxq = data->rx_queues[i]; if (!rxq || !rxq->q_set) @@ -8984,6 +8984,7 @@ i40e_pf_calc_configured_queues_num(struct i40e_pf *pf) static int i40e_pf_config_rss(struct i40e_pf *pf) { + enum rte_eth_rx_mq_mode mq_mode = pf->dev_data->dev_conf.rxmode.mq_mode; struct i40e_hw *hw = I40E_PF_TO_HW(pf); struct rte_eth_rss_conf rss_conf; uint32_t i, lut = 0; @@ -9022,7 +9023,8 @@ i40e_pf_config_rss(struct i40e_pf *pf) } rss_conf = pf->dev_data->dev_conf.rx_adv_conf.rss_conf; - if ((rss_conf.rss_hf & pf->adapter->flow_types_mask) == 0) { + if ((rss_conf.rss_hf & pf->adapter->flow_types_mask) == 0 || + !(mq_mode & ETH_MQ_RX_RSS_FLAG)) { i40e_pf_disable_rss(pf); return 0; } @@ -9195,21 +9197,6 @@ i40e_tunnel_filter_handle(struct rte_eth_dev *dev, return ret; } -static int -i40e_pf_config_mq_rx(struct i40e_pf *pf) -{ - int ret = 0; - enum rte_eth_rx_mq_mode mq_mode = pf->dev_data->dev_conf.rxmode.mq_mode; - - /* RSS setup */ - if (mq_mode & ETH_MQ_RX_RSS_FLAG) - ret = i40e_pf_config_rss(pf); - else - i40e_pf_disable_rss(pf); - - return ret; -} - /* Get the symmetric hash enable configurations per port */ static void i40e_get_symmetric_hash_enable_per_port(struct i40e_hw *hw, uint8_t *enable) -- 2.17.1