This patch adds querying the HCA capabilities for maximum supported
pattern length for Header Modify Pattern objects.
Signed-off-by: Dariusz Sosnowski <dsosnow...@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viachesl...@nvidia.com>
---
drivers/common/mlx5/mlx5_devx_cmds.c | 14 ++++++++++++++
drivers/common/mlx5/mlx5_devx_cmds.h | 2 ++
drivers/common/mlx5/mlx5_prm.h | 3 ++-
3 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c
b/drivers/common/mlx5/mlx5_devx_cmds.c
index d0907fcd49..95d86d9573 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -1086,6 +1086,8 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
flow_counter_access_aso);
attr->flow_access_aso_opc_mod = MLX5_GET(cmd_hca_cap, hcattr,
flow_access_aso_opc_mod);
+ attr->wqe_based_flow_table_sup = MLX5_GET(cmd_hca_cap, hcattr,
+ wqe_based_flow_table_update_cap);
/*
* Flex item support needs max_num_prog_sample_field
* from the Capabilities 2 table for PARSE_GRAPH_NODE
@@ -1293,6 +1295,18 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
attr->rss_ind_tbl_cap = MLX5_GET
(per_protocol_networking_offload_caps,
hcattr, rss_ind_tbl_cap);
+ if (attr->wqe_based_flow_table_sup) {
+ hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
+ MLX5_GET_HCA_CAP_OP_MOD_WQE_BASED_FLOW_TABLE |
+ MLX5_HCA_CAP_OPMOD_GET_CUR);
+ if (!hcattr) {
+ DRV_LOG(DEBUG, "Failed to query WQE Based Flow table
capabilities");
+ return rc;
+ }
+ attr->max_header_modify_pattern_length =
MLX5_GET(wqe_based_flow_table_cap,
+ hcattr,
+
max_header_modify_pattern_length);
+ }
/* Query HCA attribute for ROCE. */
if (attr->roce) {
hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h
b/drivers/common/mlx5/mlx5_devx_cmds.h
index ce173bc36a..410ada31b8 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -299,6 +299,8 @@ struct mlx5_hca_attr {
uint32_t flow_access_aso_opc_mod:8;
uint32_t cross_vhca:1;
uint32_t lag_rx_port_affinity:1;
+ uint32_t wqe_based_flow_table_sup:1;
+ uint8_t max_header_modify_pattern_length;
};
/* LAG Context. */
diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index ed3d5efbb7..8cf9316589 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -2289,7 +2289,8 @@ struct mlx5_ifc_wqe_based_flow_table_cap_bits {
u8 rtc_index_mode[0x5];
u8 reserved_at_58[0x3];
u8 rtc_log_depth_max[0x5];
- u8 reserved_at_60[0x10];
+ u8 reserved_at_60[0x8];
+ u8 max_header_modify_pattern_length[0x8];
u8 ste_format[0x10];
u8 stc_action_type[0x80];
u8 header_insert_type[0x10];
--
2.25.1
