diff options
| author | Mark Bloch <mbloch@nvidia.com> | 2021-08-04 02:19:55 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2021-08-05 23:49:25 +0300 |
| commit | 898b07861565e7276de6f179a196b062a2c72f8d (patch) | |
| tree | 0010c28d2f9750e501148d153dead3d180264299 /drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | |
| parent | c8e6a9e6d6bb29db08e0b69ae97f1e46ccc5691c (diff) | |
| download | linux-898b07861565e7276de6f179a196b062a2c72f8d.tar.xz | |
net/mlx5: Add send to vport rules on paired device
When two mlx5 devices are paired in switchdev mode, always offload the
send-to-vport rule to the peer E-Switch. This allows to abstract
the logic when this is really necessary (single FDB) and combine
the logic of both cases into one.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index b57a5c188832..e02a8bd2bd96 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -1616,7 +1616,18 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw) goto ns_err; } - table_size = esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ + + /* To be strictly correct: + * MLX5_MAX_PORTS * (esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ) + * should be: + * esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ + + * peer_esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ + * but as the peer device might not be in switchdev mode it's not + * possible. We use the fact that by default FW sets max vfs and max sfs + * to the same value on both devices. If it needs to be changed in the future note + * the peer miss group should also be created based on the number of + * total vports of the peer (currently is also uses esw->total_vports). + */ + table_size = MLX5_MAX_PORTS * (esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ) + MLX5_ESW_MISS_FLOWS + esw->total_vports + esw->esw_funcs.num_vfs; /* create the slow path fdb with encap set, so further table instances @@ -1673,7 +1684,8 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw) source_eswitch_owner_vhca_id_valid, 1); } - ix = esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ; + /* See comment above table_size calculation */ + ix = MLX5_MAX_PORTS * (esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ); MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0); MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, ix - 1); |