From patchwork Tue Apr 21 10:28:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maor Gottlieb X-Patchwork-Id: 11500983 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 49CAB1392 for ; Tue, 21 Apr 2020 10:29:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3264820679 for ; Tue, 21 Apr 2020 10:29:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728684AbgDUK31 (ORCPT ); Tue, 21 Apr 2020 06:29:27 -0400 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:60613 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728612AbgDUK3A (ORCPT ); Tue, 21 Apr 2020 06:29:00 -0400 Received: from Internal Mail-Server by MTLPINE2 (envelope-from maorg@mellanox.com) with ESMTPS (AES256-SHA encrypted); 21 Apr 2020 13:28:54 +0300 Received: from dev-l-vrt-201.mtl.labs.mlnx (dev-l-vrt-201.mtl.labs.mlnx [10.134.201.1]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 03LASrn1019072; Tue, 21 Apr 2020 13:28:54 +0300 From: Maor Gottlieb To: davem@davemloft.net, jgg@mellanox.com, dledford@redhat.com, j.vosburgh@gmail.com, vfalico@gmail.com, andy@greyhouse.net, kuba@kernel.org, jiri@mellanox.com, dsahern@kernel.org Cc: leonro@mellanox.com, saeedm@mellanox.com, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, alexr@mellanox.com, Maor Gottlieb Subject: [PATCH V3 mlx5-next 13/15] net/mlx5: Add support to get lag physical port Date: Tue, 21 Apr 2020 13:28:42 +0300 Message-Id: <20200421102844.23640-14-maorg@mellanox.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20200421102844.23640-1-maorg@mellanox.com> References: <20200421102844.23640-1-maorg@mellanox.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Add function to get the device physical port of the lag slave. Signed-off-by: Maor Gottlieb --- drivers/net/ethernet/mellanox/mlx5/core/lag.c | 24 +++++++++++++++++++ include/linux/mlx5/driver.h | 2 ++ 2 files changed, 26 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index 496a3408d771..5461fbe47c0d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -710,6 +710,30 @@ struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev) } EXPORT_SYMBOL(mlx5_lag_get_roce_netdev); +u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev, + struct net_device *slave) +{ + struct mlx5_lag *ldev; + u8 port = 0; + + spin_lock(&lag_lock); + ldev = mlx5_lag_dev_get(dev); + if (!(ldev && __mlx5_lag_is_roce(ldev))) + goto unlock; + + if (ldev->pf[MLX5_LAG_P1].netdev == slave) + port = MLX5_LAG_P1; + else + port = MLX5_LAG_P2; + + port = ldev->v2p_map[port]; + +unlock: + spin_unlock(&lag_lock); + return port; +} +EXPORT_SYMBOL(mlx5_lag_get_slave_port); + bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv) { struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 6f8f79ef829b..7b81b512d116 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -1062,6 +1062,8 @@ bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev); bool mlx5_lag_is_multipath(struct mlx5_core_dev *dev); bool mlx5_lag_is_active(struct mlx5_core_dev *dev); struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev); +u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev, + struct net_device *slave); int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev, u64 *values, int num_counters,