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From: Parav Pandit <parav@mellanox.com>
To: kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org
Cc: Parav Pandit <parav@nvidia.com>, Roi Dayan <roid@nvidia.com>
Subject: [PATCH net-next v3 1/6] net/mlx5: E-switch, Read controller number from device
Date: Wed,  9 Sep 2020 07:50:33 +0300	[thread overview]
Message-ID: <20200909045038.63181-2-parav@mellanox.com> (raw)
In-Reply-To: <20200909045038.63181-1-parav@mellanox.com>

From: Parav Pandit <parav@nvidia.com>

ECPF supports one external host controller. Read controller number
from the device.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
---
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;
-- 
2.26.2


  reply	other threads:[~2020-09-09  4:51 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-25 13:58 [PATCH net-next 0/3] devlink show controller info Parav Pandit
2020-08-25 13:58 ` [PATCH net-next 1/3] devlink: Add comment block for missing port attributes Parav Pandit
2020-08-25 13:58 ` [PATCH net-next 2/3] devlink: Consider other controller while building phys_port_name Parav Pandit
2020-08-26  0:32   ` Jakub Kicinski
2020-08-26  4:27     ` Parav Pandit
2020-08-26 20:07       ` Jakub Kicinski
2020-08-27  4:31         ` Parav Pandit
2020-08-27 18:32           ` Jakub Kicinski
2020-08-27 20:15             ` Parav Pandit
2020-08-27 21:42               ` Jakub Kicinski
2020-08-28  4:27                 ` Parav Pandit
2020-08-28  5:08                   ` Parav Pandit
2020-08-28 16:43                   ` Jakub Kicinski
2020-08-29  3:43                     ` Parav Pandit
2020-09-01  8:19                       ` Jiri Pirko
2020-09-01  8:53                         ` Parav Pandit
2020-09-01  9:17                           ` Jiri Pirko
2020-09-01 21:28                             ` Jakub Kicinski
2020-09-02  4:26                               ` Parav Pandit
2020-09-02  4:44                                 ` Parav Pandit
2020-09-02  8:00                                 ` Jiri Pirko
2020-09-02 15:23                                   ` Jakub Kicinski
2020-09-02 16:18                                     ` Parav Pandit
2020-09-02 20:10                                       ` Parav Pandit
2020-09-03  5:54                                     ` Jiri Pirko
2020-09-03 19:31                                       ` Jakub Kicinski
2020-09-04  8:43                                         ` Jiri Pirko
2020-09-06  3:08                                           ` Parav Pandit
2020-09-06 16:46                                             ` Jakub Kicinski
2020-09-07  7:21                                             ` Jiri Pirko
2020-09-07 16:18                                               ` Jakub Kicinski
2020-08-25 13:58 ` [PATCH net-next 3/3] net/mlx5: E-switch, Set controller attribute for PCI PF and VF ports Parav Pandit
2020-09-08 14:42 ` [PATCH net-next v2 0/6] devlink show controller number Parav Pandit
2020-09-08 14:42   ` [PATCH net-next v2 1/6] net/mlx5: E-switch, Read controller number from device Parav Pandit
2020-09-08 14:42   ` [PATCH net-next v2 2/6] devlink: Add comment block for missing port attributes Parav Pandit
2020-09-08 14:42   ` [PATCH net-next v2 3/6] devlink: Move structure comments outside of structure Parav Pandit
2020-09-08 14:42   ` [PATCH net-next v2 4/6] devlink: Introduce external controller flag Parav Pandit
2020-09-08 14:42   ` [PATCH net-next v2 5/6] devlink: Introduce controller number Parav Pandit
2020-09-08 18:50     ` Jakub Kicinski
2020-09-09  3:06       ` Parav Pandit
2020-09-08 14:42   ` [PATCH net-next v2 6/6] devlink: Use controller while building phys_port_name Parav Pandit
2020-09-09  4:50 ` [PATCH net-next v3 0/6] devlink show controller number Parav Pandit
2020-09-09  4:50   ` Parav Pandit [this message]
2020-09-09  4:50   ` [PATCH net-next v3 2/6] devlink: Add comment block for missing port attributes Parav Pandit
2020-09-09  4:50   ` [PATCH net-next v3 3/6] devlink: Move structure comments outside of structure Parav Pandit
2020-09-09  4:50   ` [PATCH net-next v3 4/6] devlink: Introduce external controller flag Parav Pandit
2020-09-09  4:50   ` [PATCH net-next v3 5/6] devlink: Introduce controller number Parav Pandit
2020-09-09  4:50   ` [PATCH net-next v3 6/6] devlink: Use controller while building phys_port_name Parav Pandit
2020-09-10 15:02     ` David Ahern
2020-09-09 15:34   ` [PATCH net-next v3 0/6] devlink show controller number Jakub Kicinski
2020-09-09 21:20     ` David Miller

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