From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 48683A0096 for ; Fri, 10 May 2019 16:36:28 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 230BD5B2A; Fri, 10 May 2019 16:36:26 +0200 (CEST) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id C62EA5B26 for ; Fri, 10 May 2019 16:36:24 +0200 (CEST) Received: from Internal Mail-Server by MTLPINE2 (envelope-from viacheslavo@mellanox.com) with ESMTPS (AES256-SHA encrypted); 10 May 2019 17:36:23 +0300 Received: from pegasus12.mtr.labs.mlnx. (pegasus12.mtr.labs.mlnx [10.210.17.40]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id x4AEaNLY028026; Fri, 10 May 2019 17:36:23 +0300 From: Viacheslav Ovsiienko To: dev@dpdk.org, yskoh@mellanox.com Cc: shahafs@mellanox.com Date: Fri, 10 May 2019 14:36:22 +0000 Message-Id: <1557498982-27734-1-git-send-email-viacheslavo@mellanox.com> X-Mailer: git-send-email 1.8.3.1 Subject: [dpdk-dev] [PATCH] net/mlx5: fix device removal handler for multiport device 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" Content-Type: text/plain; charset="UTF-8" Message-ID: <20190510143622.VijLE9kSwIkAgy7tqVO0x37TVrBh2wDOLf6EZC3yON4@z> IBV_EVENT_DEVICE_FATAL event is generated by the driver once for the entire multiport Infiniband device, not for each existing ports. The port index is zero and it causes dropping the device removal event. We should invoke the removal event processing routine for each port we have installed handler for. Fixes: 028b2a28c3cb ("net/mlx5: update event handler for multiport IB devices") Signed-off-by: Viacheslav Ovsiienko --- drivers/net/mlx5/mlx5_ethdev.c | 43 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 42 insertions(+), 1 deletion(-) diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index 80ee98f..3962d41 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -1116,6 +1116,35 @@ int mlx5_fw_version_get(struct rte_eth_dev *dev, char *fw_ver, size_t fw_size) } /** + * Handle asynchronous removal event for entire multiport device. + * + * @param sh + * Infiniband device shared context. + */ +static void +mlx5_dev_interrupt_device_fatal(struct mlx5_ibv_shared *sh) +{ + uint32_t i; + + for (i = 0; i < sh->max_port; ++i) { + struct rte_eth_dev *dev; + + if (sh->port[i].ih_port_id >= RTE_MAX_ETHPORTS) { + /* + * Or not existing port either no + * handler installed for this port. + */ + continue; + } + dev = &rte_eth_devices[sh->port[i].ih_port_id]; + assert(dev); + if (dev->data->dev_conf.intr_conf.rmv) + _rte_eth_dev_callback_process + (dev, RTE_ETH_EVENT_INTR_RMV, NULL); + } +} + +/** * Handle shared asynchronous events the NIC (removal event * and link status change). Supports multiport IB device. * @@ -1137,6 +1166,16 @@ int mlx5_fw_version_get(struct rte_eth_dev *dev, char *fw_ver, size_t fw_size) break; /* Retrieve and check IB port index. */ tmp = (uint32_t)event.element.port_num; + if (!tmp && event.event_type == IBV_EVENT_DEVICE_FATAL) { + /* + * The DEVICE_FATAL event is called once for + * entire device without port specifying. + * We should notify all existing ports. + */ + mlx5_glue->ack_async_event(&event); + mlx5_dev_interrupt_device_fatal(sh); + continue; + } assert(tmp && (tmp <= sh->max_port)); if (!tmp || tmp > sh->max_port || @@ -1146,12 +1185,14 @@ int mlx5_fw_version_get(struct rte_eth_dev *dev, char *fw_ver, size_t fw_size) * installed for this port. */ mlx5_glue->ack_async_event(&event); + DRV_LOG(DEBUG, + "port %u event type %d on not handled", + tmp, event.event_type); continue; } /* Retrieve ethernet device descriptor. */ tmp = sh->port[tmp - 1].ih_port_id; dev = &rte_eth_devices[tmp]; - tmp = 0; assert(dev); if ((event.event_type == IBV_EVENT_PORT_ACTIVE || event.event_type == IBV_EVENT_PORT_ERR) && -- 1.8.3.1