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net/mlx5: DR, Support csum recalculation flow table on SFs

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Implement csum recalculation flow tables in XAarray instead of a fixed
array, thus adding support for csum recalc table on any valid vport
number, which enables this support for SFs.

Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Muhammad Sammar <muhammads@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Yevgeny Kliteynik 2021-09-08 19:44:11 +03:00 committed by Saeed Mahameed
parent ee1887fb7c
commit c0e90fc2cc
3 changed files with 35 additions and 48 deletions
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6
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
View File

@ -513,9 +513,9 @@ static int dr_action_handle_cs_recalc(struct mlx5dr_domain *dmn,
/* If destination is vport we will get the FW flow table
* that recalculates the CS and forwards to the vport.
*/
ret = mlx5dr_domain_cache_get_recalc_cs_ft_addr(dest_action->vport->dmn,
dest_action->vport->caps->num,
final_icm_addr);
ret = mlx5dr_domain_get_recalc_cs_ft_addr(dest_action->vport->dmn,
dest_action->vport->caps->num,
final_icm_addr);
if (ret) {
mlx5dr_err(dmn, "Failed to get FW cs recalc flow table\n");
return ret;

65
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c
View File

@ -9,48 +9,45 @@
((dmn)->info.caps.dmn_type##_sw_owner_v2 && \
(dmn)->info.caps.sw_format_ver <= MLX5_STEERING_FORMAT_CONNECTX_6DX))
static int dr_domain_init_cache(struct mlx5dr_domain *dmn)
static void dr_domain_init_csum_recalc_fts(struct mlx5dr_domain *dmn)
{
/* Per vport cached FW FT for checksum recalculation, this
* recalculation is needed due to a HW bug.
* recalculation is needed due to a HW bug in STEv0.
*/
dmn->cache.recalc_cs_ft = kcalloc(dmn->info.caps.num_vports,
sizeof(dmn->cache.recalc_cs_ft[0]),
GFP_KERNEL);
if (!dmn->cache.recalc_cs_ft)
return -ENOMEM;
return 0;
xa_init(&dmn->csum_fts_xa);
}
static void dr_domain_uninit_cache(struct mlx5dr_domain *dmn)
{
int i;
for (i = 0; i < dmn->info.caps.num_vports; i++) {
if (!dmn->cache.recalc_cs_ft[i])
continue;
mlx5dr_fw_destroy_recalc_cs_ft(dmn, dmn->cache.recalc_cs_ft[i]);
}
kfree(dmn->cache.recalc_cs_ft);
}
int mlx5dr_domain_cache_get_recalc_cs_ft_addr(struct mlx5dr_domain *dmn,
u16 vport_num,
u64 *rx_icm_addr)
static void dr_domain_uninit_csum_recalc_fts(struct mlx5dr_domain *dmn)
{
struct mlx5dr_fw_recalc_cs_ft *recalc_cs_ft;
unsigned long i;
recalc_cs_ft = dmn->cache.recalc_cs_ft[vport_num];
xa_for_each(&dmn->csum_fts_xa, i, recalc_cs_ft) {
if (recalc_cs_ft)
mlx5dr_fw_destroy_recalc_cs_ft(dmn, recalc_cs_ft);
}
xa_destroy(&dmn->csum_fts_xa);
}
int mlx5dr_domain_get_recalc_cs_ft_addr(struct mlx5dr_domain *dmn,
u16 vport_num,
u64 *rx_icm_addr)
{
struct mlx5dr_fw_recalc_cs_ft *recalc_cs_ft;
int ret;
recalc_cs_ft = xa_load(&dmn->csum_fts_xa, vport_num);
if (!recalc_cs_ft) {
/* Table not in cache, need to allocate a new one */
/* Table hasn't been created yet */
recalc_cs_ft = mlx5dr_fw_create_recalc_cs_ft(dmn, vport_num);
if (!recalc_cs_ft)
return -EINVAL;
dmn->cache.recalc_cs_ft[vport_num] = recalc_cs_ft;
ret = xa_err(xa_store(&dmn->csum_fts_xa, vport_num,
recalc_cs_ft, GFP_KERNEL));
if (ret)
return ret;
}
*rx_icm_addr = recalc_cs_ft->rx_icm_addr;
@ -346,16 +343,10 @@ mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type)
goto uninit_caps;
}
ret = dr_domain_init_cache(dmn);
if (ret) {
mlx5dr_err(dmn, "Failed initialize domain cache\n");
goto uninit_resourses;
}
dr_domain_init_csum_recalc_fts(dmn);
return dmn;
uninit_resourses:
dr_domain_uninit_resources(dmn);
uninit_caps:
dr_domain_caps_uninit(dmn);
free_domain:
@ -394,7 +385,7 @@ int mlx5dr_domain_destroy(struct mlx5dr_domain *dmn)
/* make sure resources are not used by the hardware */
mlx5dr_cmd_sync_steering(dmn->mdev);
dr_domain_uninit_cache(dmn);
dr_domain_uninit_csum_recalc_fts(dmn);
dr_domain_uninit_resources(dmn);
dr_domain_caps_uninit(dmn);
mutex_destroy(&dmn->info.tx.mutex);

12
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
View File

@ -827,10 +827,6 @@ struct mlx5dr_domain_info {
struct mlx5dr_cmd_caps caps;
};
struct mlx5dr_domain_cache {
struct mlx5dr_fw_recalc_cs_ft **recalc_cs_ft;
};
struct mlx5dr_domain {
struct mlx5dr_domain *peer_dmn;
struct mlx5_core_dev *mdev;
@ -842,7 +838,7 @@ struct mlx5dr_domain {
struct mlx5dr_icm_pool *action_icm_pool;
struct mlx5dr_send_ring *send_ring;
struct mlx5dr_domain_info info;
struct mlx5dr_domain_cache cache;
struct xarray csum_fts_xa;
struct mlx5dr_ste_ctx *ste_ctx;
};
@ -1379,9 +1375,9 @@ struct mlx5dr_fw_recalc_cs_ft *
mlx5dr_fw_create_recalc_cs_ft(struct mlx5dr_domain *dmn, u16 vport_num);
void mlx5dr_fw_destroy_recalc_cs_ft(struct mlx5dr_domain *dmn,
struct mlx5dr_fw_recalc_cs_ft *recalc_cs_ft);
int mlx5dr_domain_cache_get_recalc_cs_ft_addr(struct mlx5dr_domain *dmn,
u16 vport_num,
u64 *rx_icm_addr);
int mlx5dr_domain_get_recalc_cs_ft_addr(struct mlx5dr_domain *dmn,
u16 vport_num,
u64 *rx_icm_addr);
int mlx5dr_fw_create_md_tbl(struct mlx5dr_domain *dmn,
struct mlx5dr_cmd_flow_destination_hw_info *dest,
int num_dest,