diff options
| author | Parav Pandit <parav@nvidia.com> | 2020-09-09 07:50:33 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-10 00:19:55 +0300 |
| commit | a53cf9497a1683ae49f870d066b693ceea5e517f (patch) | |
| tree | 6fe39106f1d49d9fbd97a5dd2944dda4f3cb9bd5 | |
| parent | 6b5472d4f1588e3eea0c3270ec53766739ae4c2e (diff) | |
| download | linux-a53cf9497a1683ae49f870d066b693ceea5e517f.tar.xz | |
net/mlx5: E-switch, Read controller number from device
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 22 |
2 files changed, 23 insertions, 0 deletions
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; |