mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-03 22:57:21 -04:00
Code Issues Packages Projects Releases Wiki Activity

net/mlx5: HWS, Add fullness tracking to pool

Browse Source 
Future users will need to query whether a pool is empty.

Signed-off-by: Vlad Dogaru <vdogaru@nvidia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://patch.msgid.link/1744312662-356571-7-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vlad Dogaru
2025-04-10 22:17:36 +03:00
committed by Jakub Kicinski
parent 43a2038c6d
commit 0456269476
2 changed files with 32 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pool.c
View File

@@ -324,6 +324,8 @@ int mlx5hws_pool_chunk_alloc(struct mlx5hws_pool *pool,
mutex_lock(&pool->lock);
ret = pool->p_get_chunk(pool, chunk);
if (ret == 0)
pool->available_elems -= 1 << chunk->order;
mutex_unlock(&pool->lock);
return ret;
@@ -334,6 +336,7 @@ void mlx5hws_pool_chunk_free(struct mlx5hws_pool *pool,
{
mutex_lock(&pool->lock);
pool->p_put_chunk(pool, chunk);
pool->available_elems += 1 << chunk->order;
mutex_unlock(&pool->lock);
}
@@ -360,6 +363,7 @@ mlx5hws_pool_create(struct mlx5hws_context *ctx, struct mlx5hws_pool_attr *pool_
res_db_type = MLX5HWS_POOL_DB_TYPE_BITMAP;
pool->alloc_log_sz = pool_attr->alloc_log_sz;
pool->available_elems = 1 << pool_attr->alloc_log_sz;
if (hws_pool_db_init(pool, res_db_type))
goto free_pool;
@@ -377,6 +381,9 @@ void mlx5hws_pool_destroy(struct mlx5hws_pool *pool)
{
mutex_destroy(&pool->lock);
if (pool->available_elems != 1 << pool->alloc_log_sz)
mlx5hws_err(pool->ctx, "Attempting to destroy non-empty pool\n");
if (pool->resource)
hws_pool_resource_free(pool);

25
drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pool.h
View File

@@ -71,6 +71,7 @@ struct mlx5hws_pool {
enum mlx5hws_pool_flags flags;
struct mutex lock; /* protect the pool */
size_t alloc_log_sz;
size_t available_elems;
enum mlx5hws_table_type tbl_type;
enum mlx5hws_pool_optimize opt_type;
struct mlx5hws_pool_resource *resource;
@@ -103,4 +104,28 @@ static inline u32 mlx5hws_pool_get_base_mirror_id(struct mlx5hws_pool *pool)
{
return pool->mirror_resource->base_id;
}
static inline bool
mlx5hws_pool_empty(struct mlx5hws_pool *pool)
{
bool ret;
mutex_lock(&pool->lock);
ret = pool->available_elems == 0;
mutex_unlock(&pool->lock);
return ret;
}
static inline bool
mlx5hws_pool_full(struct mlx5hws_pool *pool)
{
bool ret;
mutex_lock(&pool->lock);
ret = pool->available_elems == (1 << pool->alloc_log_sz);
mutex_unlock(&pool->lock);
return ret;
}
#endif /* MLX5HWS_POOL_H_ */