diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c | 10 |
1 files changed, 9 insertions, 1 deletions
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 3cbf74b44d1f..dc7e41566b2c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c @@ -2,6 +2,7 @@ /* Copyright (c) 2019 Mellanox Technologies. */ #include <linux/types.h> +#include <linux/crc32.h> #include "dr_types.h" #define DR_STE_CRC_POLY 0xEDB88320L @@ -107,6 +108,13 @@ struct dr_hw_ste_format { u8 mask[DR_STE_SIZE_MASK]; }; +static u32 dr_ste_crc32_calc(const void *input_data, size_t length) +{ + u32 crc = crc32(0, input_data, length); + + return htonl(crc); +} + u32 mlx5dr_ste_calc_hash_index(u8 *hw_ste_p, struct mlx5dr_ste_htbl *htbl) { struct dr_hw_ste_format *hw_ste = (struct dr_hw_ste_format *)hw_ste_p; @@ -128,7 +136,7 @@ u32 mlx5dr_ste_calc_hash_index(u8 *hw_ste_p, struct mlx5dr_ste_htbl *htbl) bit = bit >> 1; } - crc32 = mlx5dr_crc32_slice8_calc(masked, DR_STE_SIZE_TAG); + crc32 = dr_ste_crc32_calc(masked, DR_STE_SIZE_TAG); index = crc32 & (htbl->chunk->num_of_entries - 1); return index; |