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Diffstat (limited to 'src/spdk/intel-ipsec-mb/include/wireless_common.h')
-rw-r--r-- | src/spdk/intel-ipsec-mb/include/wireless_common.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/src/spdk/intel-ipsec-mb/include/wireless_common.h b/src/spdk/intel-ipsec-mb/include/wireless_common.h new file mode 100644 index 000000000..a0ba60019 --- /dev/null +++ b/src/spdk/intel-ipsec-mb/include/wireless_common.h @@ -0,0 +1,216 @@ +/******************************************************************************* + Copyright (c) 2009-2019, Intel Corporation + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + * Neither the name of Intel Corporation nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*******************************************************************************/ + +#ifndef _WIRELESS_COMMON_H_ +#define _WIRELESS_COMMON_H_ + +#include <string.h> +#ifdef LINUX +#include <x86intrin.h> +#else +#include <intrin.h> +#endif + +#define NUM_PACKETS_1 1 +#define NUM_PACKETS_2 2 +#define NUM_PACKETS_3 3 +#define NUM_PACKETS_4 4 +#define NUM_PACKETS_8 8 +#define NUM_PACKETS_16 16 + +#ifdef LINUX +#define BSWAP32 __builtin_bswap32 +#define BSWAP64 __builtin_bswap64 +#else +#define BSWAP32 _byteswap_ulong +#define BSWAP64 _byteswap_uint64 +#endif + +typedef union _m128_u { + uint8_t byte[16]; + uint16_t word[8]; + uint32_t dword[4]; + uint64_t qword[2]; + __m128i m; +} m128_t; + +typedef union _m64_u { + uint8_t byte[8]; + uint16_t word[4]; + uint32_t dword[2]; + uint64_t m; +} m64_t; + +static inline uint32_t bswap4(const uint32_t val) +{ + return ((val >> 24) | /**< A*/ + ((val & 0xff0000) >> 8) | /**< B*/ + ((val & 0xff00) << 8) | /**< C*/ + (val << 24)); /**< D*/ +} + +/************************************************************************* +* @description - this function is used to copy the right number of bytes +* from the source to destination buffer +* +* @param pSrc [IN] - pointer to an input Byte array (at least len bytes +* available) +* @param pDst [IN] - pointer to the output buffer (at least len bytes available) +* @param len [IN] - length in bytes to copy (0 to 4) +* +*************************************************************************/ +static inline void memcpy_keystream_32(uint8_t *pDst, + const uint8_t *pSrc, + const uint32_t len) +{ + switch (len) { + case 4: + *(uint32_t *)pDst = *(const uint32_t *)pSrc; + break; + case 3: + pDst[2] = pSrc[2]; + /* fall-through */ + case 2: + pDst[1] = pSrc[1]; + /* fall-through */ + case 1: + pDst[0] = pSrc[0]; + /* fall-through */ + } +} + +/************************************************************************* +* @description - this function is used to XOR the right number of bytes +* from a keystrea and a source into a destination buffer +* +* @param pSrc [IN] - pointer to an input Byte array (at least 4 bytes available) +* @param pDst [IN] - pointer to the output buffer (at least 4 bytes available) +* @param KS [IN] - 4 bytes of keystream number, must be reversed +* into network byte order before XOR +* +*************************************************************************/ +static inline void xor_keystream_reverse_32(uint8_t *pDst, + const uint8_t *pSrc, + const uint32_t KS) +{ + *(uint32_t *)pDst = (*(const uint32_t *)pSrc) ^ BSWAP32(KS); +} + +/****************************************************************************** + * @description - this function is used to do a keystream operation + * @param pSrc [IN] - pointer to an input Byte array (at least 8 bytes + * available) + * @param pDst [IN] - pointer to the output buffer (at least 8 bytes available) + * @param keyStream [IN] - the Keystream value (8 bytes) + ******************************************************************************/ +static inline const uint8_t * +xor_keystrm_rev(uint8_t *pDst, const uint8_t *pSrc, uint64_t keyStream) +{ + /* default: XOR ONLY, read the input buffer, update the output buffer */ + const uint64_t *pSrc64 = (const uint64_t *)pSrc; + uint64_t *pDst64 = (uint64_t *)pDst; + *pDst64 = *pSrc64 ^ BSWAP64(keyStream); + return (const uint8_t *)(pSrc64 + 1); +} + +/****************************************************************************** + * @description - this function is used to copy the right number of bytes + * from the source to destination buffer + * @param pSrc [IN] - pointer to an input Byte array (at least len bytes + * available) + * @param pDst [IN] - pointer to the output buffer (at least len bytes + * available) + * @param len [IN] - length in bytes to copy + ******************************************************************************/ +static inline void +memcpy_keystrm(uint8_t *pDst, const uint8_t *pSrc, const uint32_t len) +{ + switch (len) { + case 8: + *(uint64_t *)pDst = *(const uint64_t *)pSrc; + break; + case 7: + pDst[6] = pSrc[6]; + /* fall-through */ + case 6: + pDst[5] = pSrc[5]; + /* fall-through */ + case 5: + pDst[4] = pSrc[4]; + /* fall-through */ + case 4: + *(uint32_t *)pDst = *(const uint32_t *)pSrc; + break; + case 3: + pDst[2] = pSrc[2]; + /* fall-through */ + case 2: + pDst[1] = pSrc[1]; + /* fall-through */ + case 1: + pDst[0] = pSrc[0]; + /* fall-through */ + } +} + +/** + ****************************************************************************** + * + * @description + * Definition of the external SSE function that XOR's 64 bytes of input + * with 64 bytes of keystream, swapping keystream bytes every 4 bytes. + * + * @param[in] pIn Pointer to the input buffer + * @param[out] pOut Pointer to the output buffer + * @param[in] pKey Pointer to the new 64 byte keystream + * + * @pre + * None + * + *****************************************************************************/ +IMB_DLL_LOCAL void asm_XorKeyStream64B_sse(const void *pIn, void *pOut, + const void *pKey); + +/** + ****************************************************************************** + * + * @description + * Definition of the external AVX function that XOR's 64 bytes of input + * with 64 bytes of keystream, swapping keystream bytes every 4 bytes. + * + * @param[in] pIn Pointer to the input buffer + * @param[out] pOut Pointer to the output buffer + * @param[in] pKey Pointer to the new 64 byte keystream + * + * @pre + * None + * + *****************************************************************************/ +IMB_DLL_LOCAL void asm_XorKeyStream64B_avx(const void *pIn, void *pOut, + const void *pKey); + +#endif /* _WIRELESS_COMMON_H_ */ |