[v1,0/2] Get E-Switch Manager vport ID
| Message ID | 20220218071834.11534-1-shunh@nvidia.com (mailing list archive) |
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Message
Shun Hao
Feb. 18, 2022, 7:18 a.m. UTC
One of the E-Switch vports plays the special role - it is assigned as "E-Switch manager" and has some special exclusive rights and duties - it maintains all the representors, manages FDB domain flows, etc. By default, the E-Switch vport index was supposed to be zero on standalone NICs (regular ConnectX) and 0xFFFE SmartNIC (BlueField), but that was not always correct - this index can be assigned with any value by kernel/hypervisor. To handle this and do not suggest any default values we should use DevX API to query E-Switch manager vport ID directly from firmware, to make sure we always use the correct value. Shun Hao (2): common/mlx5: query E-Switch manager vport ID net/mlx5: new method to get E-Switch manager vport ID drivers/common/mlx5/mlx5_devx_cmds.c | 12 ++++++++++++ drivers/common/mlx5/mlx5_devx_cmds.h | 2 ++ drivers/common/mlx5/mlx5_prm.h | 12 ++++++++++++ drivers/net/mlx5/mlx5_flow_dv.c | 4 ++++ 4 files changed, 30 insertions(+)