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net/mlx5: E-Switch, Assign a different position for uplink rep and vport

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In offloads mode, the current implementation puts the uplink
representor at index zero of the vport reps array. It is not "natural"
to place it at index 0 since we want to put the representor for vport
0 at index 0 with the introduction of SmartNIC. A separate patch will
handle the case whether a rep is needed for vport 0 (PF vport).

So, we want to have a different placeholder for uplink vport and
representor. It was placed at the end of vport and rep array. Since
vport number can no longer act as an index into the vport or
representors arrays, use functions to map vport numbers to indices
when accessing the vports or representors arrays, and vice versa.

Signed-off-by: Bodong Wang <bodong@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Bodong Wang
2018-12-14 09:33:22 -06:00
committed by Saeed Mahameed
parent f8e8fa0262
commit 5ae5162066
4 changed files with 40 additions and 17 deletions
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11
include/linux/mlx5/vport.h
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@@ -36,9 +36,14 @@
#include <linux/mlx5/driver.h>
#include <linux/mlx5/device.h>
#define MLX5_VPORT_PF_PLACEHOLDER (1u)
#define MLX5_SPECIAL_VPORTS (MLX5_VPORT_PF_PLACEHOLDER)
#define MLX5_TOTAL_VPORTS(mdev) (MLX5_SPECIAL_VPORTS + mlx5_core_max_vfs(mdev))
#define MLX5_VPORT_PF_PLACEHOLDER (1u)
#define MLX5_VPORT_UPLINK_PLACEHOLDER (1u)
#define MLX5_SPECIAL_VPORTS (MLX5_VPORT_PF_PLACEHOLDER + \
MLX5_VPORT_UPLINK_PLACEHOLDER)
#define MLX5_TOTAL_VPORTS(mdev) (MLX5_SPECIAL_VPORTS + \
mlx5_core_max_vfs(mdev))
#define MLX5_VPORT_MANAGER(mdev) \
(MLX5_CAP_GEN(mdev, vport_group_manager) && \