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Mon, 17 Jun 2019 19:23:26 +0000 Received: from DB6PR0501MB2759.eurprd05.prod.outlook.com ([fe80::a901:6951:59de:3278]) by DB6PR0501MB2759.eurprd05.prod.outlook.com ([fe80::a901:6951:59de:3278%2]) with mapi id 15.20.1987.014; Mon, 17 Jun 2019 19:23:26 +0000 From: Saeed Mahameed To: Saeed Mahameed , Leon Romanovsky CC: "netdev@vger.kernel.org" , "linux-rdma@vger.kernel.org" , Jianbo Liu , Roi Dayan , Mark Bloch Subject: [PATCH mlx5-next 09/15] net/mlx5: E-Switch, Pass metadata from FDB to eswitch manager Thread-Topic: [PATCH mlx5-next 09/15] net/mlx5: E-Switch, Pass metadata from FDB to eswitch manager Thread-Index: AQHVJUIjgCgCJ+j/akKzMVDeCu7lLw== Date: Mon, 17 Jun 2019 19:23:26 +0000 Message-ID: <20190617192247.25107-10-saeedm@mellanox.com> References: <20190617192247.25107-1-saeedm@mellanox.com> In-Reply-To: <20190617192247.25107-1-saeedm@mellanox.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.21.0 x-originating-ip: [209.116.155.178] x-clientproxiedby: BYAPR03CA0028.namprd03.prod.outlook.com (2603:10b6:a02:a8::41) To DB6PR0501MB2759.eurprd05.prod.outlook.com (2603:10a6:4:84::7) authentication-results: spf=none (sender IP is ) smtp.mailfrom=saeedm@mellanox.com; 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received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: VEotkD/3hUHnE9lefYFaLzK8CgSxoeOr+9tZ+ZI615+PbslGdW7DLAaCpIexRnve/ythw14W1dHAEvmrph3sL6HN1pc+BRqhhXEmYlxVXE8NBILcsnkDhF4HITqLouw9D0K619Rt388ulIfWDmEYHAt0huU3LQU7NOSsPpiRMFTrRmmqclEQ2C9OTq5fvw7o4Wh/2x+9KqPxMm+NWpgDGwp2Y5y1JfZ8Zoep3YnjtjehoSNlJut6dOVpsh2lKCV4vYS8BgpKdgWyApYkovVZX6k5BeRb9Gn7EPyc5MXq/HlH1sJDDGeG6xbaD32HvcTO4PTdOB+wOQLQGo7KF0Er/F1RbZQ3+KAZezT/ax319nFyUFR2hpFNDQahGOLaB1j+y15SDD0HYB9DOLXk6gnsDRKk2ywwmN2ZckUDY6GJSKA= MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 68c2b5f2-dd2c-4ba8-f189-08d6f359453e X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Jun 2019 19:23:26.3879 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: saeedm@mellanox.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0501MB2789 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jianbo Liu In order to do matching on metadata in slow path when demuxing traffic to representors, explicitly enable the feature that allows HW to pass metadata REG_C_0 from FDB to eswitch manager NIC_RX table. Signed-off-by: Jianbo Liu Reviewed-by: Roi Dayan Reviewed-by: Mark Bloch Signed-off-by: Saeed Mahameed --- .../mellanox/mlx5/core/eswitch_offloads.c | 64 +++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index ee18896dfd46..f7fd2afac461 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -574,6 +574,59 @@ void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule) mlx5_del_flow_rules(rule); } +static int mlx5_eswitch_enable_passing_vport_metadata(struct mlx5_eswitch *esw) +{ + u32 out[MLX5_ST_SZ_DW(query_esw_vport_context_out)] = {}; + u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {}; + u8 fdb_to_vport_reg_c_id; + int err; + + err = mlx5_eswitch_query_esw_vport_context(esw, esw->manager_vport, + out, sizeof(out)); + if (err) + return err; + + fdb_to_vport_reg_c_id = MLX5_GET(query_esw_vport_context_out, out, + esw_vport_context.fdb_to_vport_reg_c_id); + + fdb_to_vport_reg_c_id |= MLX5_FDB_TO_VPORT_REG_C_0; + MLX5_SET(modify_esw_vport_context_in, in, + esw_vport_context.fdb_to_vport_reg_c_id, fdb_to_vport_reg_c_id); + + MLX5_SET(modify_esw_vport_context_in, in, + field_select.fdb_to_vport_reg_c_id, 1); + + return mlx5_eswitch_modify_esw_vport_context(esw, esw->manager_vport, + in, sizeof(in)); +} + +static int mlx5_eswitch_disable_passing_vport_metadata(struct mlx5_eswitch *esw) +{ + u32 out[MLX5_ST_SZ_DW(query_esw_vport_context_out)] = {}; + u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {}; + u8 fdb_to_vport_reg_c_id; + int err; + + err = mlx5_eswitch_query_esw_vport_context(esw, esw->manager_vport, + out, sizeof(out)); + if (err) + return err; + + fdb_to_vport_reg_c_id = MLX5_GET(query_esw_vport_context_out, out, + esw_vport_context.fdb_to_vport_reg_c_id); + + fdb_to_vport_reg_c_id &= ~MLX5_FDB_TO_VPORT_REG_C_0; + + MLX5_SET(modify_esw_vport_context_in, in, + esw_vport_context.fdb_to_vport_reg_c_id, fdb_to_vport_reg_c_id); + + MLX5_SET(modify_esw_vport_context_in, in, + field_select.fdb_to_vport_reg_c_id, 1); + + return mlx5_eswitch_modify_esw_vport_context(esw, esw->manager_vport, + in, sizeof(in)); +} + static void peer_miss_rules_setup(struct mlx5_core_dev *peer_dev, struct mlx5_flow_spec *spec, struct mlx5_flow_destination *dest) @@ -1980,6 +2033,12 @@ int esw_offloads_init(struct mlx5_eswitch *esw, int vf_nvports, if (err) return err; + if (mlx5_eswitch_vport_match_metadata_enabled(esw)) { + err = mlx5_eswitch_enable_passing_vport_metadata(esw); + if (err) + goto err_vport_metadata; + } + /* Only load special vports reps. VF reps will be loaded in * context of functions_changed event handler through real * or emulated event. @@ -2007,6 +2066,9 @@ int esw_offloads_init(struct mlx5_eswitch *esw, int vf_nvports, return 0; err_reps: + if (mlx5_eswitch_vport_match_metadata_enabled(esw)) + mlx5_eswitch_disable_passing_vport_metadata(esw); +err_vport_metadata: esw_offloads_steering_cleanup(esw); return err; } @@ -2036,6 +2098,8 @@ void esw_offloads_cleanup(struct mlx5_eswitch *esw) mlx5_rdma_disable_roce(esw->dev); esw_offloads_devcom_cleanup(esw); esw_offloads_unload_all_reps(esw, esw->esw_funcs.num_vfs); + if (mlx5_eswitch_vport_match_metadata_enabled(esw)) + mlx5_eswitch_disable_passing_vport_metadata(esw); esw_offloads_steering_cleanup(esw); }