diff options
| author |   Yevgeny Kliteynik <kliteyn@nvidia.com> | 2021-07-04 20:54:26 +0300 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@nvidia.com> | 2021-08-26 15:38:04 -0700 |
| commit | 32c8e3b23020e4815480a169d4b144d2976fcb06 (patch) | |
| tree | be53c7eafdc75f8e32ec9bba94a9b78637d83b6c /drivers/net/ethernet/mellanox/mlx5/core/steering | |
| parent | net/mlx5: DR, Remove HW specific STE type from nic domain (diff) | |
| download | linux-dev-32c8e3b23020e4815480a169d4b144d2976fcb06.tar.xz linux-dev-32c8e3b23020e4815480a169d4b144d2976fcb06.zip | |
net/mlx5: DR, Remove rehash ctrl struct from dr_htbl
The calculations to decide for the maximum allowed collision threshold
are simple and there is no reason to save them on the htbl struct.
Signed-off-by: Erez Shitrit <erezsh@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/steering')
3 files changed, 24 insertions, 21 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c index 72c75d8e6bbf..f853a48e07b2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c @@ -628,18 +628,20 @@ static bool dr_rule_need_enlarge_hash(struct mlx5dr_ste_htbl *htbl, struct mlx5dr_domain_rx_tx *nic_dmn) { struct mlx5dr_ste_htbl_ctrl *ctrl = &htbl->ctrl; + int threshold; if (dmn->info.max_log_sw_icm_sz <= htbl->chunk_size) return false; - if (!ctrl->may_grow) + if (!mlx5dr_ste_htbl_may_grow(htbl)) return false; if (dr_get_bits_per_mask(htbl->byte_mask) * BITS_PER_BYTE <= htbl->chunk_size) return false; - if (ctrl->num_of_collisions >= ctrl->increase_threshold && - (ctrl->num_of_valid_entries - ctrl->num_of_collisions) >= ctrl->increase_threshold) + threshold = mlx5dr_ste_htbl_increase_threshold(htbl); + if (ctrl->num_of_collisions >= threshold && + (ctrl->num_of_valid_entries - ctrl->num_of_collisions) >= threshold) return true; return false; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c index 6ea314ff05ec..15fecb491c55 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c @@ -467,21 +467,6 @@ free_table: return -ENOENT; } -static void dr_ste_set_ctrl(struct mlx5dr_ste_htbl *htbl) -{ - struct mlx5dr_ste_htbl_ctrl *ctrl = &htbl->ctrl; - int num_of_entries; - - htbl->ctrl.may_grow = true; - - if (htbl->chunk_size == DR_CHUNK_SIZE_MAX - 1 || !htbl->byte_mask) - htbl->ctrl.may_grow = false; - - /* Threshold is 50%, one is added to table of size 1 */ - num_of_entries = mlx5dr_icm_pool_chunk_size_to_entries(htbl->chunk_size); - ctrl->increase_threshold = (num_of_entries + 1) / 2; -} - struct mlx5dr_ste_htbl *mlx5dr_ste_htbl_alloc(struct mlx5dr_icm_pool *pool, enum mlx5dr_icm_chunk_size chunk_size, u16 lu_type, u16 byte_mask) @@ -518,7 +503,6 @@ struct mlx5dr_ste_htbl *mlx5dr_ste_htbl_alloc(struct mlx5dr_icm_pool *pool, } htbl->chunk_size = chunk_size; - dr_ste_set_ctrl(htbl); return htbl; out_free_htbl: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h index caff9fc4b8ca..9ba4f379afa5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h @@ -171,8 +171,6 @@ struct mlx5dr_ste_htbl_ctrl { /* total number of collisions entries attached to this table */ unsigned int num_of_collisions; - unsigned int increase_threshold; - u8 may_grow:1; }; struct mlx5dr_ste_htbl { @@ -1088,6 +1086,25 @@ mlx5dr_icm_pool_chunk_size_to_byte(enum mlx5dr_icm_chunk_size chunk_size, return entry_size * num_of_entries; } +static inline int +mlx5dr_ste_htbl_increase_threshold(struct mlx5dr_ste_htbl *htbl) +{ + int num_of_entries = + mlx5dr_icm_pool_chunk_size_to_entries(htbl->chunk_size); + + /* Threshold is 50%, one is added to table of size 1 */ + return (num_of_entries + 1) / 2; +} + +static inline bool +mlx5dr_ste_htbl_may_grow(struct mlx5dr_ste_htbl *htbl) +{ + if (htbl->chunk_size == DR_CHUNK_SIZE_MAX - 1 || !htbl->byte_mask) + return false; + + return true; +} + static inline struct mlx5dr_cmd_vport_cap * mlx5dr_get_vport_cap(struct mlx5dr_cmd_caps *caps, u32 vport) { |