X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fmlx5%2Fmlx5_utils.h;h=a824787ff512dcffa530c476a5f44d7b6555547a;hb=2f3b88fbabc580ba9501be900ba9e7f95508ac09;hp=8ff075b350de9f7f69e74bd780513ce22de08bed;hpb=67fa62bc672decbd48bf0b4c19eb89dead4e90a4;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_utils.h b/drivers/net/mlx5/mlx5_utils.h index 8ff075b350..a824787ff5 100644 --- a/drivers/net/mlx5/mlx5_utils.h +++ b/drivers/net/mlx5/mlx5_utils.h @@ -161,6 +161,24 @@ pmd_drv_log_basename(const char *s) \ snprintf(name, sizeof(name), __VA_ARGS__) -#define WR_ID(o) (((wr_id_t *)&(o))->data) +/** + * Return nearest power of two above input value. + * + * @param v + * Input value. + * + * @return + * Nearest power of two above input value. + */ +static inline unsigned int +log2above(unsigned int v) +{ + unsigned int l; + unsigned int r; + + for (l = 0, r = 0; (v >> 1); ++l, v >>= 1) + r |= (v & 1); + return l + r; +} #endif /* RTE_PMD_MLX5_UTILS_H_ */