dpdk:fix trace to follow feature arc - vpp

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author	Eyal Bari <ebari@cisco.com>	2018-02-08 14:48:28 +0200
committer	Damjan Marion <dmarion.lists@gmail.com>	2018-02-12 11:22:24 +0000
commit	2d6f66e1748be190664cbd72c826db32616d759a (patch)
tree	e33d14540e09178aa92109b5351f65565a921997 /src/vnet/ip
parent	d05b926dc2971552edca2ad510fb7437698c4aad (diff)

dpdk:fix trace to follow feature arc

Change-Id: Icd2184dec16d30cdcc689ca37c834b5df2f0a1a3 Signed-off-by: Eyal Bari <ebari@cisco.com>

Diffstat (limited to 'src/vnet/ip')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (c) 2016 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /*- * BSD LICENSE * * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. * All rights reserved. * * 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 included_clib_memcpy_avx2_h #define included_clib_memcpy_avx2_h #include <stdint.h> #include <x86intrin.h> static inline void clib_mov16 (u8 * dst, const u8 * src) { __m128i xmm0; xmm0 = _mm_loadu_si128 ((const __m128i *) src); _mm_storeu_si128 ((__m128i *) dst, xmm0); } static inline void clib_mov32 (u8 * dst, const u8 * src) { __m256i ymm0; ymm0 = _mm256_loadu_si256 ((const __m256i *) src); _mm256_storeu_si256 ((__m256i *) dst, ymm0); } static inline void clib_mov64 (u8 * dst, const u8 * src) { clib_mov32 ((u8 *) dst + 0 * 32, (const u8 *) src + 0 * 32); clib_mov32 ((u8 *) dst + 1 * 32, (const u8 *) src + 1 * 32); } static inline void clib_mov128 (u8 * dst, const u8 * src) { clib_mov64 ((u8 *) dst + 0 * 64, (const u8 *) src + 0 * 64); clib_mov64 ((u8 *) dst + 1 * 64, (const u8 *) src + 1 * 64); } static inline void clib_mov128blocks (u8 * dst, const u8 * src, size_t n) { __m256i ymm0, ymm1, ymm2, ymm3; while (n >= 128) { ymm0 = _mm256_loadu_si256 ((const __m256i *) ((const u8 *) src + 0 * 32)); n -= 128; ymm1 = _mm256_loadu_si256 ((const __m256i *) ((const u8 *) src + 1 * 32)); ymm2 = _mm256_loadu_si256 ((const __m256i *) ((const u8 *) src + 2 * 32)); ymm3 = _mm256_loadu_si256 ((const __m256i *) ((const u8 *) src + 3 * 32)); src = (const u8 *) src + 128; _mm256_storeu_si256 ((__m256i *) ((u8 *) dst + 0 * 32), ymm0); _mm256_storeu_si256 ((__m256i *) ((u8 *) dst + 1 * 32), ymm1); _mm256_storeu_si256 ((__m256i *) ((u8 *) dst + 2 * 32), ymm2); _mm256_storeu_si256 ((__m256i *) ((u8 *) dst + 3 * 32), ymm3); dst = (u8 *) dst + 128; } } static inline void * clib_memcpy_fast (void *dst, const void *src, size_t n) { uword dstu = (uword) dst; uword srcu = (uword) src; void *ret = dst; size_t dstofss; size_t bits; /** * Copy less than 16 bytes */ if (n < 16) { if (n & 0x01) { *(u8 *) dstu = *(const u8 *) srcu; srcu = (uword) ((const u8 *) srcu + 1); dstu = (uword) ((u8 *) dstu + 1); } if (n & 0x02) { *(u16 *) dstu = *(const u16 *) srcu; srcu = (uword) ((const u16 *) srcu + 1); dstu = (uword) ((u16 *) dstu + 1); } if (n & 0x04) { *(u32 *) dstu = *(const u32 *) srcu; srcu = (uword) ((const u32 *) srcu + 1); dstu = (uword) ((u32 *) dstu + 1); } if (n & 0x08) { *(u64 *) dstu = *(const u64 *) srcu; } return ret; } /** * Fast way when copy size doesn't exceed 512 bytes */ if (n <= 32) { clib_mov16 ((u8 *) dst, (const u8 *) src); clib_mov16 ((u8 *) dst - 16 + n, (const u8 *) src - 16 + n); return ret; } if (n <= 48) { clib_mov16 ((u8 *) dst, (const u8 *) src); clib_mov16 ((u8 *) dst + 16, (const u8 *) src + 16); clib_mov16 ((u8 *) dst - 16 + n, (const u8 *) src - 16 + n); return ret; } if (n <= 64) { clib_mov32 ((u8 *) dst, (const u8 *) src); clib_mov32 ((u8 *) dst - 32 + n, (const u8 *) src - 32 + n); return ret; } if (n <= 256) { if (n >= 128) { n -= 128; clib_mov128 ((u8 *) dst, (const u8 *) src); src = (const u8 *) src + 128; dst = (u8 *) dst + 128; } COPY_BLOCK_128_BACK31: if (n >= 64) { n -= 64; clib_mov64 ((u8 *) dst, (const u8 *) src); src = (const u8 *) src + 64; dst = (u8 *) dst + 64; } if (n > 32) { clib_mov32 ((u8 *) dst, (const u8 *) src); clib_mov32 ((u8 *) dst - 32 + n, (const u8 *) src - 32 + n); return ret; } if (n > 0) { clib_mov32 ((u8 *) dst - 32 + n, (const u8 *) src - 32 + n); } return ret; } /** * Make store aligned when copy size exceeds 256 bytes */ dstofss = (uword) dst & 0x1F; if (dstofss > 0) { dstofss = 32 - dstofss; n -= dstofss; clib_mov32 ((u8 *) dst, (const u8 *) src); src = (const u8 *) src + dstofss; dst = (u8 *) dst + dstofss; } /** * Copy 128-byte blocks. */ clib_mov128blocks ((u8 *) dst, (const u8 *) src, n); bits = n; n = n & 127; bits -= n; src = (const u8 *) src + bits; dst = (u8 *) dst + bits; /** * Copy whatever left */ goto COPY_BLOCK_128_BACK31; } #endif /* included_clib_memcpy_avx2_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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