net/mlx5: Enable setting hairpin queue size
Allow to specify the size of the hairpin queues along with the
packet buffer data size from the core setup code.
If the driver doesn't provide this, the FW applies proper value that
matches the provided data size and a FW chosen RQ stride size.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index acd829d..199bfcd 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1031,7 +1031,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 log_max_hairpin_queues[0x5];
u8 reserved_at_3c8[0x3];
u8 log_max_hairpin_wq_data_sz[0x5];
- u8 reserved_at_3d0[0xb];
+ u8 reserved_at_3d0[0x3];
+ u8 log_max_hairpin_num_packets[0x5];
+ u8 reserved_at_3d8[0x3];
u8 log_max_wq_sz[0x5];
u8 nic_vport_change_event[0x1];
@@ -1172,7 +1174,9 @@ struct mlx5_ifc_wq_bits {
u8 reserved_at_118[0x3];
u8 log_wq_sz[0x5];
- u8 reserved_at_120[0xb];
+ u8 reserved_at_120[0x3];
+ u8 log_hairpin_num_packets[0x5];
+ u8 reserved_at_128[0x3];
u8 log_hairpin_data_sz[0x5];
u8 reserved_at_130[0x5];