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net/mlx5: DR, Initialize chunk's ste_arrays at chunk creation

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Rather than cleaning the corresponding chunk's section of ste_arrays on
chunk deletion, initialize these areas upon chunk creation.

Chunk destruction tend to come in large batches (during pool syncing).
To reduce the "hiccup" in such cases, moving ste_arrays init from chunk
destruction to initialization.

Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Yevgeny Kliteynik
2022-05-26 01:31:27 +03:00
committed by Saeed Mahameed
parent b9b81e1e93
commit 06ab4a4089
1 changed files with 4 additions and 21 deletions
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25
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c
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@@ -177,42 +177,25 @@ static int dr_icm_buddy_get_ste_size(struct mlx5dr_icm_buddy_mem *buddy)
static void dr_icm_chunk_ste_init(struct mlx5dr_icm_chunk *chunk, int offset)
{
int num_of_entries = mlx5dr_icm_pool_get_chunk_num_of_entries(chunk);
struct mlx5dr_icm_buddy_mem *buddy = chunk->buddy_mem;
int ste_size = dr_icm_buddy_get_ste_size(buddy);
int index = offset / DR_STE_SIZE;
chunk->ste_arr = &buddy->ste_arr[index];
chunk->miss_list = &buddy->miss_list[index];
chunk->hw_ste_arr = buddy->hw_ste_arr +
index * dr_icm_buddy_get_ste_size(buddy);
}
chunk->hw_ste_arr = buddy->hw_ste_arr + index * ste_size;
static void dr_icm_chunk_ste_cleanup(struct mlx5dr_icm_chunk *chunk)
{
int num_of_entries = mlx5dr_icm_pool_get_chunk_num_of_entries(chunk);
struct mlx5dr_icm_buddy_mem *buddy = chunk->buddy_mem;
memset(chunk->hw_ste_arr, 0,
num_of_entries * dr_icm_buddy_get_ste_size(buddy));
memset(chunk->hw_ste_arr, 0, num_of_entries * ste_size);
memset(chunk->ste_arr, 0,
num_of_entries * sizeof(chunk->ste_arr[0]));
}
static enum mlx5dr_icm_type
get_chunk_icm_type(struct mlx5dr_icm_chunk *chunk)
{
return chunk->buddy_mem->pool->icm_type;
}
static void dr_icm_chunk_destroy(struct mlx5dr_icm_chunk *chunk)
{
enum mlx5dr_icm_type icm_type = get_chunk_icm_type(chunk);
chunk->buddy_mem->used_memory -= mlx5dr_icm_pool_get_chunk_byte_size(chunk);
list_del(&chunk->chunk_list);
if (icm_type == DR_ICM_TYPE_STE)
dr_icm_chunk_ste_cleanup(chunk);
kvfree(chunk);
}