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authorIdo Barnea <ibarnea@cisco.com>2015-12-09 05:07:44 +0200
committerIdo Barnea <ibarnea@cisco.com>2015-12-27 08:50:12 +0200
commit509648b87434b9032d38b8ca5ad470ba3edcc036 (patch)
tree920548ce9e2e5aeed4c88c1b288290505e7d7987 /src/dpdk_lib18/librte_hash/rte_hash_crc.h
parentb161dc672544a913f7f1ddf3a086dd75f2f1134a (diff)
Adding dpdk 2.2 instead of dpdk 1.8 and making changes to make compilation work.
40G and 10G filters do not work yet.
Diffstat (limited to 'src/dpdk_lib18/librte_hash/rte_hash_crc.h')
-rwxr-xr-xsrc/dpdk_lib18/librte_hash/rte_hash_crc.h110
1 files changed, 0 insertions, 110 deletions
diff --git a/src/dpdk_lib18/librte_hash/rte_hash_crc.h b/src/dpdk_lib18/librte_hash/rte_hash_crc.h
deleted file mode 100755
index b48b0db1..00000000
--- a/src/dpdk_lib18/librte_hash/rte_hash_crc.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/*-
- * 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 _RTE_HASH_CRC_H_
-#define _RTE_HASH_CRC_H_
-
-/**
- * @file
- *
- * RTE CRC Hash
- */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <stdint.h>
-#include <nmmintrin.h>
-
-/**
- * Use single crc32 instruction to perform a hash on a 4 byte value.
- *
- * @param data
- * Data to perform hash on.
- * @param init_val
- * Value to initialise hash generator.
- * @return
- * 32bit calculated hash value.
- */
-static inline uint32_t
-rte_hash_crc_4byte(uint32_t data, uint32_t init_val)
-{
- return _mm_crc32_u32(init_val, data);
-}
-
-/**
- * Use crc32 instruction to perform a hash.
- *
- * @param data
- * Data to perform hash on.
- * @param data_len
- * How many bytes to use to calculate hash value.
- * @param init_val
- * Value to initialise hash generator.
- * @return
- * 32bit calculated hash value.
- */
-static inline uint32_t
-rte_hash_crc(const void *data, uint32_t data_len, uint32_t init_val)
-{
- unsigned i;
- uint32_t temp = 0;
- const uint32_t *p32 = (const uint32_t *)data;
-
- for (i = 0; i < data_len / 4; i++) {
- init_val = rte_hash_crc_4byte(*p32++, init_val);
- }
-
- switch (3 - (data_len & 0x03)) {
- case 0:
- temp |= *((const uint8_t *)p32 + 2) << 16;
- /* Fallthrough */
- case 1:
- temp |= *((const uint8_t *)p32 + 1) << 8;
- /* Fallthrough */
- case 2:
- temp |= *((const uint8_t *)p32);
- init_val = rte_hash_crc_4byte(temp, init_val);
- default:
- break;
- }
-
- return init_val;
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _RTE_HASH_CRC_H_ */