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net/mlx5: query software parsing support on Windows

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Query software parsing supported on the NIC.

Save the offloads values in a config parameter.
This is needed for the outer IPv4 checksum and
IP and UDP tunneled packet TSO support.

Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
Tested-by: Idan Hackmon <idanhac@nvidia.com>
This commit is contained in:
Tal Shnaiderman 2021-10-12 15:45:44 +03:00 committed by Raslan Darawsheh
parent 643e4db076
commit d47fe9dabc
4 changed files with 29 additions and 1 deletions
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16
drivers/net/mlx5/mlx5.c
View File

@ -953,6 +953,22 @@ mlx5_flex_parser_ecpri_release(struct rte_eth_dev *dev)
prf->obj = NULL;
}
uint32_t
mlx5_get_supported_sw_parsing_offloads(const struct mlx5_hca_attr *attr)
{
uint32_t sw_parsing_offloads = 0;
if (attr->swp) {
sw_parsing_offloads |= MLX5_SW_PARSING_CAP;
if (attr->swp_csum)
sw_parsing_offloads |= MLX5_SW_PARSING_CSUM_CAP;
if (attr->swp_lso)
sw_parsing_offloads |= MLX5_SW_PARSING_TSO_CAP;
}
return sw_parsing_offloads;
}
/*
* Allocate Rx and Tx UARs in robust fashion.
* This routine handles the following UAR allocation issues:

2
drivers/net/mlx5/mlx5.h
View File

@ -1829,5 +1829,7 @@ int mlx5_aso_ct_query_by_wqe(struct mlx5_dev_ctx_shared *sh,
struct rte_flow_action_conntrack *profile);
int mlx5_aso_ct_available(struct mlx5_dev_ctx_shared *sh,
struct mlx5_aso_ct_action *ct);
uint32_t
mlx5_get_supported_sw_parsing_offloads(const struct mlx5_hca_attr *attr);
#endif /* RTE_PMD_MLX5_H_ */

6
drivers/net/mlx5/windows/mlx5_os.c
View File

@ -169,6 +169,8 @@ mlx5_os_get_dev_attr(void *ctx, struct mlx5_dev_attr *device_attr)
device_attr->max_rwq_indirection_table_size =
1 << hca_attr.rss_ind_tbl_cap;
}
device_attr->sw_parsing_offloads =
mlx5_get_supported_sw_parsing_offloads(&hca_attr);
pv_iseg = mlx5_glue->query_hca_iseg(mlx5_ctx, &cb_iseg);
if (pv_iseg == NULL) {
DRV_LOG(ERR, "Failed to get device hca_iseg");
@ -393,7 +395,9 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
}
DRV_LOG(DEBUG, "MPW isn't supported");
mlx5_os_get_dev_attr(sh->ctx, &device_attr);
config->swp = 0;
config->swp = device_attr.sw_parsing_offloads &
(MLX5_SW_PARSING_CAP | MLX5_SW_PARSING_CSUM_CAP |
MLX5_SW_PARSING_TSO_CAP);
config->ind_table_max_size =
sh->device_attr.max_rwq_indirection_table_size;
cqe_comp = 0;

6
drivers/net/mlx5/windows/mlx5_os.h
View File

@ -16,4 +16,10 @@ enum {
#define MLX5_NAMESIZE MLX5_FS_NAME_MAX
enum mlx5_sw_parsing_offloads {
MLX5_SW_PARSING_CAP = 1 << 0,
MLX5_SW_PARSING_CSUM_CAP = 1 << 1,
MLX5_SW_PARSING_TSO_CAP = 1 << 2,
};
#endif /* RTE_PMD_MLX5_OS_H_ */