#include "dr_types.h"
#define DR_ICM_MODIFY_HDR_ALIGN_BASE 64
-#define DR_ICM_POOL_HOT_MEMORY_FRACTION 4
+#define DR_ICM_POOL_STE_HOT_MEM_PERCENT 25
+#define DR_ICM_POOL_MODIFY_HDR_PTRN_HOT_MEM_PERCENT 50
+#define DR_ICM_POOL_MODIFY_ACTION_HOT_MEM_PERCENT 90
struct mlx5dr_icm_hot_chunk {
struct mlx5dr_icm_buddy_mem *buddy_mem;
struct mlx5dr_icm_hot_chunk *hot_chunks_arr;
u32 hot_chunks_num;
u64 hot_memory_size;
+ /* hot memory size threshold for triggering sync */
+ u64 th;
};
struct mlx5dr_icm_dm {
static bool dr_icm_pool_is_sync_required(struct mlx5dr_icm_pool *pool)
{
- int allow_hot_size;
-
- /* sync when hot memory reaches a certain fraction of the pool size */
- allow_hot_size =
- mlx5dr_icm_pool_chunk_size_to_byte(pool->max_log_chunk_sz,
- pool->icm_type) /
- DR_ICM_POOL_HOT_MEMORY_FRACTION;
-
- return pool->hot_memory_size > allow_hot_size;
+ return pool->hot_memory_size > pool->th;
}
static void dr_icm_pool_clear_hot_chunks_arr(struct mlx5dr_icm_pool *pool)
struct mlx5dr_icm_pool *mlx5dr_icm_pool_create(struct mlx5dr_domain *dmn,
enum mlx5dr_icm_type icm_type)
{
- u32 num_of_chunks, entry_size, max_hot_size;
+ u32 num_of_chunks, entry_size;
struct mlx5dr_icm_pool *pool;
+ u32 max_hot_size = 0;
pool = kvzalloc(sizeof(*pool), GFP_KERNEL);
if (!pool)
switch (icm_type) {
case DR_ICM_TYPE_STE:
pool->max_log_chunk_sz = dmn->info.max_log_sw_icm_sz;
+ max_hot_size = mlx5dr_icm_pool_chunk_size_to_byte(pool->max_log_chunk_sz,
+ pool->icm_type) *
+ DR_ICM_POOL_STE_HOT_MEM_PERCENT / 100;
break;
case DR_ICM_TYPE_MODIFY_ACTION:
pool->max_log_chunk_sz = dmn->info.max_log_action_icm_sz;
+ max_hot_size = mlx5dr_icm_pool_chunk_size_to_byte(pool->max_log_chunk_sz,
+ pool->icm_type) *
+ DR_ICM_POOL_MODIFY_ACTION_HOT_MEM_PERCENT / 100;
break;
case DR_ICM_TYPE_MODIFY_HDR_PTRN:
pool->max_log_chunk_sz = dmn->info.max_log_modify_hdr_pattern_icm_sz;
+ max_hot_size = mlx5dr_icm_pool_chunk_size_to_byte(pool->max_log_chunk_sz,
+ pool->icm_type) *
+ DR_ICM_POOL_MODIFY_HDR_PTRN_HOT_MEM_PERCENT / 100;
break;
default:
WARN_ON(icm_type);
entry_size = mlx5dr_icm_pool_dm_type_to_entry_size(pool->icm_type);
- max_hot_size = mlx5dr_icm_pool_chunk_size_to_byte(pool->max_log_chunk_sz,
- pool->icm_type) /
- DR_ICM_POOL_HOT_MEMORY_FRACTION;
-
num_of_chunks = DIV_ROUND_UP(max_hot_size, entry_size) + 1;
+ pool->th = max_hot_size;
pool->hot_chunks_arr = kvcalloc(num_of_chunks,
sizeof(struct mlx5dr_icm_hot_chunk),