--- name: "rte_v128s32_t" section: "3" platform: "linux" package: "dpdk-doc" version: "24.11.4-0+deb13u1" release: "Debian 13 (Trixie)" platforms: ["linux"] url: "https://new.carta.tech/rte_vect.h" --- # rte\_v128s32\_t(3) Part of [rte\_vect.h(3)](/rte_vect.h/3.md). ## NAME rte\_vect.h ## SYNOPSIS `#include `\ ### Typedefs **typedef** uint8\_t **rte\_v64u8\_t**\ **typedef** uint16\_t **rte\_v64u16\_t**\ **typedef** uint32\_t **rte\_v64u32\_t**\ **typedef** uint8\_t **rte\_v128u8\_t**\ **typedef** uint16\_t **rte\_v128u16\_t**\ **typedef** uint32\_t **rte\_v128u32\_t**\ **typedef** uint64\_t **rte\_v128u64\_t**\ **typedef** uint8\_t **rte\_v256u8\_t**\ **typedef** uint16\_t **rte\_v256u16\_t**\ **typedef** uint32\_t **rte\_v256u32\_t**\ **typedef** uint64\_t **rte\_v256u64\_t**\ **typedef** int8\_t **rte\_v64s8\_t**\ **typedef** int16\_t **rte\_v64s16\_t**\ **typedef** int32\_t **rte\_v64s32\_t**\ **typedef** int8\_t **rte\_v128s8\_t**\ **typedef** int16\_t **rte\_v128s16\_t**\ **typedef** int32\_t **rte\_v128s32\_t**\ **typedef** int64\_t **rte\_v128s64\_t**\ **typedef** int8\_t **rte\_v256s8\_t**\ **typedef** int16\_t **rte\_v256s16\_t**\ **typedef** int32\_t **rte\_v256s32\_t**\ **typedef** int64\_t **rte\_v256s64\_t**\ ### Enumerations enum **rte\_vect\_max\_simd** { **RTE\_VECT\_SIMD\_DISABLED** = 64, **RTE\_VECT\_SIMD\_128** = 128, **RTE\_VECT\_SIMD\_256** = 256, **RTE\_VECT\_SIMD\_512** = 512, **RTE\_VECT\_SIMD\_MAX** = INT16\_MAX + 1 }\ ### Functions uint16\_t **rte\_vect\_get\_max\_simd\_bitwidth** (void)\ int **rte\_vect\_set\_max\_simd\_bitwidth** (uint16\_t bitwidth)\ ## Detailed Description SIMD vector types and control This file defines types to use vector instructions with generic C code and APIs to enable the code using them. Definition in file **rte\_vect.h**. ## Typedef Documentation ### typedef uint8\_t rte\_v64u8\_t 64 bits vector size to use with unsigned 8 bits elements. a = (rte\_v64u8\_t){ a0, a1, a2, a3, a4, a5, a6, a7 } Definition at line **31** of file **rte\_vect.h**. ### typedef uint16\_t rte\_v64u16\_t 64 bits vector size to use with unsigned 16 bits elements. a = (rte\_v64u16\_t){ a0, a1, a2, a3 } Definition at line **38** of file **rte\_vect.h**. ### typedef uint32\_t rte\_v64u32\_t 64 bits vector size to use with unsigned 32 bits elements. a = (rte\_v64u32\_t){ a0, a1 } Definition at line **45** of file **rte\_vect.h**. ### typedef uint8\_t rte\_v128u8\_t 128 bits vector size to use with unsigned 8 bits elements. a = (rte\_v128u8\_t){ a00, a01, a02, a03, a04, a05, a06, a07, a08, a09, a10, a11, a12, a13, a14, a15 } Definition at line **53** of file **rte\_vect.h**. ### typedef uint16\_t rte\_v128u16\_t 128 bits vector size to use with unsigned 16 bits elements. a = (rte\_v128u16\_t){ a0, a1, a2, a3, a4, a5, a6, a7 } Definition at line **60** of file **rte\_vect.h**. ### typedef uint32\_t rte\_v128u32\_t 128 bits vector size to use with unsigned 32 bits elements. a = (rte\_v128u32\_t){ a0, a1, a2, a3 } Definition at line **67** of file **rte\_vect.h**. ### typedef uint64\_t rte\_v128u64\_t 128 bits vector size to use with unsigned 64 bits elements. a = (rte\_v128u64\_t){ a0, a1 } Definition at line **74** of file **rte\_vect.h**. ### typedef uint8\_t rte\_v256u8\_t 256 bits vector size to use with unsigned 8 bits elements. a = (rte\_v256u8\_t){ a00, a01, a02, a03, a04, a05, a06, a07, a08, a09, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25, a26, a27, a28, a29, a30, a31 } Definition at line **84** of file **rte\_vect.h**. ### typedef uint16\_t rte\_v256u16\_t 256 bits vector size to use with unsigned 16 bits elements. a = (rte\_v256u16\_t){ a00, a01, a02, a03, a04, a05, a06, a07, a08, a09, a10, a11, a12, a13, a14, a15 } Definition at line **92** of file **rte\_vect.h**. ### typedef uint32\_t rte\_v256u32\_t 256 bits vector size to use with unsigned 32 bits elements. a = (rte\_v256u32\_t){ a0, a1, a2, a3, a4, a5, a6, a7 } Definition at line **99** of file **rte\_vect.h**. ### typedef uint64\_t rte\_v256u64\_t 256 bits vector size to use with unsigned 64 bits elements. a = (rte\_v256u64\_t){ a0, a1, a2, a3 } Definition at line **106** of file **rte\_vect.h**. ### typedef int8\_t rte\_v64s8\_t 64 bits vector size to use with 8 bits elements. a = (rte\_v64s8\_t){ a0, a1, a2, a3, a4, a5, a6, a7 } Definition at line **116** of file **rte\_vect.h**. ### typedef int16\_t rte\_v64s16\_t 64 bits vector size to use with 16 bits elements. a = (rte\_v64s16\_t){ a0, a1, a2, a3 } Definition at line **123** of file **rte\_vect.h**. ### typedef int32\_t rte\_v64s32\_t 64 bits vector size to use with 32 bits elements. a = (rte\_v64s32\_t){ a0, a1 } Definition at line **130** of file **rte\_vect.h**. ### typedef int8\_t rte\_v128s8\_t 128 bits vector size to use with 8 bits elements. a = (rte\_v128s8\_t){ a00, a01, a02, a03, a04, a05, a06, a07, a08, a09, a10, a11, a12, a13, a14, a15 } Definition at line **138** of file **rte\_vect.h**. ### typedef int16\_t rte\_v128s16\_t 128 bits vector size to use with 16 bits elements. a = (rte\_v128s16\_t){ a0, a1, a2, a3, a4, a5, a6, a7 } Definition at line **145** of file **rte\_vect.h**. ### typedef int32\_t rte\_v128s32\_t 128 bits vector size to use with 32 bits elements. a = (rte\_v128s32\_t){ a0, a1, a2, a3 } Definition at line **152** of file **rte\_vect.h**. ### typedef int64\_t rte\_v128s64\_t 128 bits vector size to use with 64 bits elements. a = (rte\_v128s64\_t){ a1, a2 } Definition at line **159** of file **rte\_vect.h**. ### typedef int8\_t rte\_v256s8\_t 256 bits vector size to use with 8 bits elements. a = (rte\_v256s8\_t){ a00, a01, a02, a03, a04, a05, a06, a07, a08, a09, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25, a26, a27, a28, a29, a30, a31 } Definition at line **169** of file **rte\_vect.h**. ### typedef int16\_t rte\_v256s16\_t 256 bits vector size to use with 16 bits elements. a = (rte\_v256s16\_t){ a00, a01, a02, a03, a04, a05, a06, a07, a08, a09, a10, a11, a12, a13, a14, a15 } Definition at line **177** of file **rte\_vect.h**. ### typedef int32\_t rte\_v256s32\_t 256 bits vector size to use with 32 bits elements. a = (rte\_v256s32\_t){ a0, a1, a2, a3, a4, a5, a6, a7 } Definition at line **184** of file **rte\_vect.h**. ### typedef int64\_t rte\_v256s64\_t 256 bits vector size to use with 64 bits elements. a = (rte\_v256s64\_t){ a0, a1, a2, a3 } Definition at line **191** of file **rte\_vect.h**. ## Enumeration Type Documentation ### enum rte\_vect\_max\_simd The max SIMD bitwidth value to limit vector path selection. **Enumerator** - *RTE\_VECT\_SIMD\_DISABLED* *Limits path selection to scalar, disables all vector paths.* - *RTE\_VECT\_SIMD\_128* *Limits path selection to SSE/NEON/Altivec or below.* - *RTE\_VECT\_SIMD\_256* *Limits path selection to AVX2 or below.* - *RTE\_VECT\_SIMD\_512* *Limits path selection to AVX512 or below.* - *RTE\_VECT\_SIMD\_MAX* *Disables limiting by max SIMD bitwidth, allows all suitable paths. This value is used as it is a large number and a power of 2.* *Definition at line* **198** *of file* **rte\_vect.h***.* ## Function Documentation ### uint16\_t rte\_vect\_get\_max\_simd\_bitwidth (void) *Get the supported SIMD bitwidth.* **Returns** *uint16\_t bitwidth.* ### int rte\_vect\_set\_max\_simd\_bitwidth (uint16\_t bitwidth) *Set the supported SIMD bitwidth. This API should only be called once at initialization, before EAL init.* **Parameters** *bitwidth uint16\_t bitwidth.* **Returns** - • *0 on success.* - • *-EINVAL on invalid bitwidth parameter.* - • *-EPERM if bitwidth is forced.* ## Author *Generated automatically by Doxygen for DPDK from the source code.*