From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 02EE0A0542 for ; Tue, 13 Dec 2022 10:18:56 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id EDB6942C4D; Tue, 13 Dec 2022 10:18:55 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id ED85B40146 for ; Tue, 13 Dec 2022 10:18:54 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1670923134; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NFjeKHBJ6eVdt04tJoQsoyJrTU+l2v7YH/2mInXO2S8=; b=IlBru2BkocUKIsR5y8JEXWUve3fGFEsdTErYU1v10DpeRTWfui2gBbJcqtYR4eFYkCbJTj y6j7tJSpBOxtKbuXvYDL6BD2tuk7Dmmby9N4bMHGdAKa6mm53cEnNkAG3VvebHpBccgA10 quxTIW4L6OpRopV867r9NjchAIYzuHc= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-126-NqppR3D8MiaGRYpQpNmCMw-1; Tue, 13 Dec 2022 04:18:50 -0500 X-MC-Unique: NqppR3D8MiaGRYpQpNmCMw-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C23EA3C025C9; Tue, 13 Dec 2022 09:18:49 +0000 (UTC) Received: from dmarchan.redhat.com (ovpn-193-71.brq.redhat.com [10.40.193.71]) by smtp.corp.redhat.com (Postfix) with ESMTP id 32828492B00; Tue, 13 Dec 2022 09:18:48 +0000 (UTC) From: David Marchand To: dev@dpdk.org Cc: stable@dpdk.org, Yuying Zhang , Beilei Xing , Qi Zhang , Dapeng Yu , Wenxuan Wu , Jie Wang Subject: [PATCH v2] net/i40e: don't check link status on device start Date: Tue, 13 Dec 2022 10:18:37 +0100 Message-Id: <20221213091837.87953-1-david.marchand@redhat.com> In-Reply-To: <20221212143715.29649-1-david.marchand@redhat.com> References: <20221212143715.29649-1-david.marchand@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 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 The mentioned changes broke existing applications when the link status of i40e ports is down at the time the port is started. Revert those changes, the original issue will need a different fix. Fixes: a4ba77367923 ("net/i40e: enable maximum frame size at port level") Fixes: 2184f7cdeeaa ("net/i40e: fix max frame size config at port level") Fixes: 719469f13b11 ("net/i40e: fix jumbo frame Rx with X722") Cc: stable@dpdk.org Signed-off-by: David Marchand --- Changes since v1: - since the CI reports a failure on v1, simplified the fix by only reverting commits, --- drivers/net/i40e/i40e_ethdev.c | 50 +++++----------------------------- 1 file changed, 7 insertions(+), 43 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 7726a89d99..a982e42264 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -387,7 +387,6 @@ static int i40e_set_default_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr); static int i40e_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu); -static void i40e_set_mac_max_frame(struct rte_eth_dev *dev, uint16_t size); static int i40e_ethertype_filter_convert( const struct rte_eth_ethertype_filter *input, @@ -1711,6 +1710,11 @@ eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused) */ i40e_add_tx_flow_control_drop_filter(pf); + /* Set the max frame size to 0x2600 by default, + * in case other drivers changed the default value. + */ + i40e_aq_set_mac_config(hw, I40E_FRAME_SIZE_MAX, TRUE, false, 0, NULL); + /* initialize RSS rule list */ TAILQ_INIT(&pf->rss_config_list); @@ -2328,7 +2332,6 @@ i40e_dev_start(struct rte_eth_dev *dev) uint32_t intr_vector = 0; struct i40e_vsi *vsi; uint16_t nb_rxq, nb_txq; - uint16_t max_frame_size; hw->adapter_stopped = 0; @@ -2467,9 +2470,6 @@ i40e_dev_start(struct rte_eth_dev *dev) "please call hierarchy_commit() " "before starting the port"); - max_frame_size = dev->data->mtu + I40E_ETH_OVERHEAD; - i40e_set_mac_max_frame(dev, max_frame_size); - return I40E_SUCCESS; tx_err: @@ -2809,9 +2809,6 @@ i40e_dev_set_link_down(struct rte_eth_dev *dev) return i40e_phy_conf_link(hw, abilities, speed, false); } -#define CHECK_INTERVAL 100 /* 100ms */ -#define MAX_REPEAT_TIME 10 /* 1s (10 * 100ms) in total */ - static __rte_always_inline void update_link_reg(struct i40e_hw *hw, struct rte_eth_link *link) { @@ -2878,6 +2875,8 @@ static __rte_always_inline void update_link_aq(struct i40e_hw *hw, struct rte_eth_link *link, bool enable_lse, int wait_to_complete) { +#define CHECK_INTERVAL 100 /* 100ms */ +#define MAX_REPEAT_TIME 10 /* 1s (10 * 100ms) in total */ uint32_t rep_cnt = MAX_REPEAT_TIME; struct i40e_link_status link_status; int status; @@ -6738,7 +6737,6 @@ i40e_dev_handle_aq_msg(struct rte_eth_dev *dev) if (!ret) rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL); - break; default: PMD_DRV_LOG(DEBUG, "Request %u is not supported yet", @@ -12123,40 +12121,6 @@ i40e_cloud_filter_qinq_create(struct i40e_pf *pf) return ret; } -static void -i40e_set_mac_max_frame(struct rte_eth_dev *dev, uint16_t size) -{ - struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - uint32_t rep_cnt = MAX_REPEAT_TIME; - struct rte_eth_link link; - enum i40e_status_code status; - bool can_be_set = true; - - /* - * I40E_MEDIA_TYPE_BASET link up can be ignored - * I40E_MEDIA_TYPE_BASET link down that hw->phy.media_type - * is I40E_MEDIA_TYPE_UNKNOWN - */ - if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET && - hw->phy.media_type != I40E_MEDIA_TYPE_UNKNOWN) { - do { - update_link_reg(hw, &link); - if (link.link_status) - break; - rte_delay_ms(CHECK_INTERVAL); - } while (--rep_cnt); - can_be_set = !!link.link_status; - } - - if (can_be_set) { - status = i40e_aq_set_mac_config(hw, size, TRUE, 0, false, NULL); - if (status != I40E_SUCCESS) - PMD_DRV_LOG(ERR, "Failed to set max frame size at port level"); - } else { - PMD_DRV_LOG(ERR, "Set max frame size at port level not applicable on link down"); - } -} - RTE_LOG_REGISTER_SUFFIX(i40e_logtype_init, init, NOTICE); RTE_LOG_REGISTER_SUFFIX(i40e_logtype_driver, driver, NOTICE); #ifdef RTE_ETHDEV_DEBUG_RX -- 2.38.1