From patchwork Thu Jul 9 23:29:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jakub Kicinski X-Patchwork-Id: 1326263 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=jYgc9Wm5; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4B2spF01ZWz9sRN for ; Fri, 10 Jul 2020 09:29:40 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727081AbgGIX3g (ORCPT ); Thu, 9 Jul 2020 19:29:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:46262 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726272AbgGIX3f (ORCPT ); Thu, 9 Jul 2020 19:29:35 -0400 Received: from kicinski-fedora-PC1C0HJN.thefacebook.com (unknown [163.114.132.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 420BA2081A; Thu, 9 Jul 2020 23:29:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594337374; bh=fJf5YhFp7p8K2IWAK5RN3OjD5Jq2zNFanVxhHClvRK0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jYgc9Wm53ifH9KwLpFo3aQGL722k9xEG7klLhmq7vm9tfIWTrlvTOMBwOxBAJgC9I e/rNmYDgz3hqR6TU24MSUAJQrDFHHiuSss0/zogh9hXj1AokX2NNadhEOvbN7/zOp6 dTBY5N8B9M3dYendJJlrGQoVSX/hlNlS4wnbX5g0= From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, saeedm@mellanox.com, michael.chan@broadcom.com, emil.s.tantilov@intel.com, alexander.h.duyck@linux.intel.com, jeffrey.t.kirsher@intel.com, tariqt@mellanox.com, mkubecek@suse.cz, Jakub Kicinski Subject: [PATCH net-next v3 10/10] mlx4: convert to new udp_tunnel_nic infra Date: Thu, 9 Jul 2020 16:29:00 -0700 Message-Id: <20200709232900.105163-11-kuba@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200709232900.105163-1-kuba@kernel.org> References: <20200709232900.105163-1-kuba@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Convert to new infra, make use of the ability to sleep in the callback. Signed-off-by: Jakub Kicinski Acked-by: Tariq Toukan --- .../net/ethernet/mellanox/mlx4/en_netdev.c | 107 ++++-------------- drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 - 2 files changed, 25 insertions(+), 84 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 5bd3cd37d50f..2b8608f8f0a9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1816,7 +1816,7 @@ int mlx4_en_start_port(struct net_device *dev) queue_work(mdev->workqueue, &priv->rx_mode_task); if (priv->mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) - udp_tunnel_get_rx_info(dev); + udp_tunnel_nic_reset_ntf(dev); priv->port_up = true; @@ -2628,89 +2628,32 @@ static int mlx4_en_get_phys_port_id(struct net_device *dev, return 0; } -static void mlx4_en_add_vxlan_offloads(struct work_struct *work) +static int mlx4_udp_tunnel_sync(struct net_device *dev, unsigned int table) { + struct mlx4_en_priv *priv = netdev_priv(dev); + struct udp_tunnel_info ti; int ret; - struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, - vxlan_add_task); - ret = mlx4_config_vxlan_port(priv->mdev->dev, priv->vxlan_port); - if (ret) - goto out; + udp_tunnel_nic_get_port(dev, table, 0, &ti); + priv->vxlan_port = ti.port; - ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, - VXLAN_STEER_BY_OUTER_MAC, 1); -out: - if (ret) { - en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret); - return; - } -} - -static void mlx4_en_del_vxlan_offloads(struct work_struct *work) -{ - int ret; - struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, - vxlan_del_task); - ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, - VXLAN_STEER_BY_OUTER_MAC, 0); + ret = mlx4_config_vxlan_port(priv->mdev->dev, priv->vxlan_port); if (ret) - en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret); + return ret; - priv->vxlan_port = 0; + return mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, + VXLAN_STEER_BY_OUTER_MAC, + !!priv->vxlan_port); } -static void mlx4_en_add_vxlan_port(struct net_device *dev, - struct udp_tunnel_info *ti) -{ - struct mlx4_en_priv *priv = netdev_priv(dev); - __be16 port = ti->port; - __be16 current_port; - - if (ti->type != UDP_TUNNEL_TYPE_VXLAN) - return; - - if (ti->sa_family != AF_INET) - return; - - if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) - return; - - current_port = priv->vxlan_port; - if (current_port && current_port != port) { - en_warn(priv, "vxlan port %d configured, can't add port %d\n", - ntohs(current_port), ntohs(port)); - return; - } - - priv->vxlan_port = port; - queue_work(priv->mdev->workqueue, &priv->vxlan_add_task); -} - -static void mlx4_en_del_vxlan_port(struct net_device *dev, - struct udp_tunnel_info *ti) -{ - struct mlx4_en_priv *priv = netdev_priv(dev); - __be16 port = ti->port; - __be16 current_port; - - if (ti->type != UDP_TUNNEL_TYPE_VXLAN) - return; - - if (ti->sa_family != AF_INET) - return; - - if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) - return; - - current_port = priv->vxlan_port; - if (current_port != port) { - en_dbg(DRV, priv, "vxlan port %d isn't configured, ignoring\n", ntohs(port)); - return; - } - - queue_work(priv->mdev->workqueue, &priv->vxlan_del_task); -} +static const struct udp_tunnel_nic_info mlx4_udp_tunnels = { + .sync_table = mlx4_udp_tunnel_sync, + .flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP | + UDP_TUNNEL_NIC_INFO_IPV4_ONLY, + .tables = { + { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, }, + }, +}; static netdev_features_t mlx4_en_features_check(struct sk_buff *skb, struct net_device *dev, @@ -2914,8 +2857,8 @@ static const struct net_device_ops mlx4_netdev_ops = { .ndo_rx_flow_steer = mlx4_en_filter_rfs, #endif .ndo_get_phys_port_id = mlx4_en_get_phys_port_id, - .ndo_udp_tunnel_add = mlx4_en_add_vxlan_port, - .ndo_udp_tunnel_del = mlx4_en_del_vxlan_port, + .ndo_udp_tunnel_add = udp_tunnel_nic_add_port, + .ndo_udp_tunnel_del = udp_tunnel_nic_del_port, .ndo_features_check = mlx4_en_features_check, .ndo_set_tx_maxrate = mlx4_en_set_tx_maxrate, .ndo_bpf = mlx4_xdp, @@ -2948,8 +2891,8 @@ static const struct net_device_ops mlx4_netdev_ops_master = { .ndo_rx_flow_steer = mlx4_en_filter_rfs, #endif .ndo_get_phys_port_id = mlx4_en_get_phys_port_id, - .ndo_udp_tunnel_add = mlx4_en_add_vxlan_port, - .ndo_udp_tunnel_del = mlx4_en_del_vxlan_port, + .ndo_udp_tunnel_add = udp_tunnel_nic_add_port, + .ndo_udp_tunnel_del = udp_tunnel_nic_del_port, .ndo_features_check = mlx4_en_features_check, .ndo_set_tx_maxrate = mlx4_en_set_tx_maxrate, .ndo_bpf = mlx4_xdp, @@ -3250,8 +3193,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate); INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task); - INIT_WORK(&priv->vxlan_add_task, mlx4_en_add_vxlan_offloads); - INIT_WORK(&priv->vxlan_del_task, mlx4_en_del_vxlan_offloads); #ifdef CONFIG_RFS_ACCEL INIT_LIST_HEAD(&priv->filters); spin_lock_init(&priv->filters_lock); @@ -3406,6 +3347,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_PARTIAL; + + dev->udp_tunnel_nic_info = &mlx4_udp_tunnels; } dev->vlan_features = dev->hw_features; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 9f5603612960..a46efe37cfa9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -599,8 +599,6 @@ struct mlx4_en_priv { struct work_struct linkstate_task; struct delayed_work stats_task; struct delayed_work service_task; - struct work_struct vxlan_add_task; - struct work_struct vxlan_del_task; struct mlx4_en_perf_stats pstats; struct mlx4_en_pkt_stats pkstats; struct mlx4_en_counter_stats pf_stats;