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Tue, 8 Sep 2020 14:43:10 +0000 From: Parav Pandit To: kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org Cc: Parav Pandit , Roi Dayan Subject: [PATCH net-next v2 1/6] net/mlx5: E-switch, Read controller number from device Date: Tue, 8 Sep 2020 17:42:36 +0300 Message-Id: <20200908144241.21673-2-parav@mellanox.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200908144241.21673-1-parav@mellanox.com> References: <20200825135839.106796-1-parav@mellanox.com> <20200908144241.21673-1-parav@mellanox.com> X-ClientProxiedBy: SA9PR11CA0020.namprd11.prod.outlook.com (2603:10b6:806:6e::25) To AM0PR05MB4866.eurprd05.prod.outlook.com (2603:10a6:208:c0::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from sw-mtx-036.mtx.labs.mlnx (208.176.44.194) by SA9PR11CA0020.namprd11.prod.outlook.com (2603:10b6:806:6e::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3370.16 via Frontend Transport; Tue, 8 Sep 2020 14:43:08 +0000 X-Mailer: git-send-email 2.26.2 X-Originating-IP: [208.176.44.194] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 822a48b5-2d6b-46ef-2c24-08d854058192 X-MS-TrafficTypeDiagnostic: AM0PR05MB4353: X-LD-Processed: a652971c-7d2e-4d9b-a6a4-d149256f461b,ExtAddr X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:161; 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Read controller number from the device. Signed-off-by: Parav Pandit Reviewed-by: Roi Dayan --- Changelog: v1->v2: - Removed controller number setting invocation as it is part of different API --- .../net/ethernet/mellanox/mlx5/core/eswitch.h | 1 + .../mellanox/mlx5/core/eswitch_offloads.c | 22 +++++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index 867d8120b8a5..7455fbd21a0a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -217,6 +217,7 @@ struct mlx5_esw_offload { atomic64_t num_flows; enum devlink_eswitch_encap_mode encap; struct ida vport_metadata_ida; + unsigned int host_number; /* ECPF supports one external host */ }; /* E-Switch MC FDB table hash node */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index d2516922d867..b381cbca5852 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -2110,6 +2110,24 @@ int mlx5_esw_funcs_changed_handler(struct notifier_block *nb, unsigned long type return NOTIFY_OK; } +static int mlx5_esw_host_number_init(struct mlx5_eswitch *esw) +{ + const u32 *query_host_out; + + if (!mlx5_core_is_ecpf_esw_manager(esw->dev)) + return 0; + + query_host_out = mlx5_esw_query_functions(esw->dev); + if (IS_ERR(query_host_out)) + return PTR_ERR(query_host_out); + + /* Mark non local controller with non zero controller number. */ + esw->offloads.host_number = MLX5_GET(query_esw_functions_out, query_host_out, + host_params_context.host_number); + kvfree(query_host_out); + return 0; +} + int esw_offloads_enable(struct mlx5_eswitch *esw) { struct mlx5_vport *vport; @@ -2124,6 +2142,10 @@ int esw_offloads_enable(struct mlx5_eswitch *esw) mutex_init(&esw->offloads.termtbl_mutex); mlx5_rdma_enable_roce(esw->dev); + err = mlx5_esw_host_number_init(esw); + if (err) + goto err_vport_metadata; + err = esw_set_passing_vport_metadata(esw, true); if (err) goto err_vport_metadata;