[dpdk-dev] [PATCH v6 3/4] ena: Amazon ENA communication layer for DPDK platform
Thomas Monjalon
thomas.monjalon at 6wind.com
Mon Mar 14 20:19:53 CET 2016
> +#ifndef unlikely
> +#define unlikely(c) __builtin_expect(!!(c), 0)
> +#endif
> +#ifndef likely
> +#define likely(c) __builtin_expect(!!(c), 1)
> +#endif
Including lib/librte_eal/common/include/rte_branch_prediction.h should
be enough.
> +#define max_t(type, x, y) ({ \
> + type __max1 = (x); \
> + type __max2 = (y); \
> + __max1 > __max2 ? __max1 : __max2; })
> +
> +#define min_t(type, x, y) ({ \
> + type __min1 = (x); \
> + type __min2 = (y); \
> + __min1 < __min2 ? __min1 : __min2; })
> +
> +#define ENA_MAX32(x, y) max_t(u32, (x), (y))
> +#define ENA_MAX16(x, y) max_t(u16, (x), (y))
> +#define ENA_MAX8(x, y) max_t(u8, (x), (y))
> +#define ENA_MIN32(x, y) min_t(u32, (x), (y))
> +#define ENA_MIN16(x, y) min_t(u16, (x), (y))
> +#define ENA_MIN8(x, y) min_t(u8, (x), (y))
There are RTE_MIN and RTE_MAX in lib/librte_eal/common/include/rte_common.h.
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