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 73EACA04AE; Tue, 5 May 2020 05:10:01 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 789171D5A0; Tue, 5 May 2020 05:09:59 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by dpdk.org (Postfix) with ESMTP id 485681D59C; Tue, 5 May 2020 05:09:57 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 04539uMW025209; Mon, 4 May 2020 20:09:56 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=pfpt0818; bh=kUByOLSCXtUW16naaqU+Wl7Sh/cLJXM1GUT46+muWds=; b=n8PeEctZzZx0GlV/DklvhPASmNtVly76bH0WYFKZ6/nzpXJBfacayLFEfBK2jE8CUB49 p4jzCx9Vybzp7Z4K+mKN7kr9v8LHHDypgzRs8CQHJk51ZxRRstCDCWIBaqkHHpKnwAG+ FJMjYsqIsKoOWRELrG3tuYqpHaTfD7j4FQI0FvsA+52h0E0N8kpWKmVNOExfZhejAz9T z9lTaA0YGEAwwDmM3WlxD2F430cO8NZBjQORY+YlpRgMY/6QRoNqKebaSaXX3P6DxdVG 7VSXOYg0PQyhzISB5r8lF91r+q2eQyQ0+S1EjgqjyEJ5U0GZokOmtNQDYhTFbLroPWe8 Zg== Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0a-0016f401.pphosted.com with ESMTP id 30s67qa82f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 04 May 2020 20:09:56 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 4 May 2020 20:09:50 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 4 May 2020 20:09:50 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 4 May 2020 20:09:50 -0700 Received: from irv1user08.caveonetworks.com (unknown [10.104.116.105]) by maili.marvell.com (Postfix) with ESMTP id CB13D3F7040; Mon, 4 May 2020 20:09:49 -0700 (PDT) Received: (from rmody@localhost) by irv1user08.caveonetworks.com (8.14.4/8.14.4/Submit) id 04539nDY001141; Mon, 4 May 2020 20:09:49 -0700 X-Authentication-Warning: irv1user08.caveonetworks.com: rmody set sender to rmody@marvell.com using -f From: Rasesh Mody To: , , CC: Rasesh Mody , , , Igor Russkikh Date: Mon, 4 May 2020 20:09:42 -0700 Message-ID: <20200505030943.1091-1-rmody@marvell.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-05-04_13:2020-05-04, 2020-05-04 signatures=0 Subject: [dpdk-dev] [PATCH 1/2] net/qede: fix assignment of Rx/Tx handlers 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" Fix to assign dummy Rx/Tx handlers in dev_stop. For MTU set, assignment of the appropriate Rx/Tx handlers will be handled by dev_start/dev_stop. Fixes: 81f8804992c9 ("net/qede: enhance Rx CPU utilization") Fixes: 8de0c4201926 ("net/qede: fix odd number of queues usage in 100G mode") Cc: stable@dpdk.org Signed-off-by: Rasesh Mody Signed-off-by: Igor Russkikh --- drivers/net/qede/qede_ethdev.c | 33 ++++++++++++++++----------------- 1 file changed, 16 insertions(+), 17 deletions(-) diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c index e71fa1e6a..726daa3e3 100644 --- a/drivers/net/qede/qede_ethdev.c +++ b/drivers/net/qede/qede_ethdev.c @@ -320,13 +320,19 @@ qede_interrupt_handler(void *param) } static void -qede_assign_rxtx_handlers(struct rte_eth_dev *dev) +qede_assign_rxtx_handlers(struct rte_eth_dev *dev, bool is_dummy) { uint64_t tx_offloads = dev->data->dev_conf.txmode.offloads; struct qede_dev *qdev = dev->data->dev_private; struct ecore_dev *edev = &qdev->edev; bool use_tx_offload = false; + if (is_dummy) { + dev->rx_pkt_burst = qede_rxtx_pkts_dummy; + dev->tx_pkt_burst = qede_rxtx_pkts_dummy; + return; + } + if (ECORE_IS_CMT(edev)) { dev->rx_pkt_burst = qede_recv_pkts_cmt; dev->tx_pkt_burst = qede_xmit_pkts_cmt; @@ -1150,7 +1156,9 @@ static int qede_dev_start(struct rte_eth_dev *eth_dev) /* Start/resume traffic */ qede_fastpath_start(edev); - qede_assign_rxtx_handlers(eth_dev); + /* Assign I/O handlers */ + qede_assign_rxtx_handlers(eth_dev, false); + DP_INFO(edev, "Device started\n"); return 0; @@ -1166,6 +1174,11 @@ static void qede_dev_stop(struct rte_eth_dev *eth_dev) PMD_INIT_FUNC_TRACE(edev); + /* Replace I/O functions with dummy ones. It cannot + * be set to NULL because rte_eth_rx_burst() doesn't check for NULL. + */ + qede_assign_rxtx_handlers(eth_dev, true); + /* Disable vport */ if (qede_activate_vport(eth_dev, false)) return; @@ -2316,11 +2329,6 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) dev->data->min_rx_buf_size); return -EINVAL; } - /* Temporarily replace I/O functions with dummy ones. It cannot - * be set to NULL because rte_eth_rx_burst() doesn't check for NULL. - */ - dev->rx_pkt_burst = qede_rxtx_pkts_dummy; - dev->tx_pkt_burst = qede_rxtx_pkts_dummy; if (dev->data->dev_started) { dev->data->dev_started = 0; qede_dev_stop(dev); @@ -2359,15 +2367,6 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) /* update max frame size */ dev->data->dev_conf.rxmode.max_rx_pkt_len = max_rx_pkt_len; - /* Reassign back */ - qede_assign_rxtx_handlers(dev); - if (ECORE_IS_CMT(edev)) { - dev->rx_pkt_burst = qede_recv_pkts_cmt; - dev->tx_pkt_burst = qede_xmit_pkts_cmt; - } else { - dev->rx_pkt_burst = qede_recv_pkts; - dev->tx_pkt_burst = qede_xmit_pkts; - } return 0; } @@ -2570,7 +2569,7 @@ static int qede_common_dev_init(struct rte_eth_dev *eth_dev, bool is_vf) strncpy((char *)params.name, QEDE_PMD_VER_PREFIX, QEDE_PMD_DRV_VER_STR_SIZE); - qede_assign_rxtx_handlers(eth_dev); + qede_assign_rxtx_handlers(eth_dev, true); eth_dev->tx_pkt_prepare = qede_xmit_prep_pkts; /* For CMT mode device do periodic polling for slowpath events. -- 2.18.0