New upstream version 18.08

[deb_dpdk.git] / drivers / net / softnic / hash_func.h

diff --git a/drivers/net/softnic/hash_func.h b/drivers/net/softnic/hash_func.h
new file mode 100644 (file)
index 0000000..198d2b2
--- /dev/null
+++ b/drivers/net/softnic/hash_func.h
@@ -0,0 +1,359 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2018 Intel Corporation
+ */
+
+#ifndef __INCLUDE_HASH_FUNC_H__
+#define __INCLUDE_HASH_FUNC_H__
+
+#include <rte_common.h>
+
+static inline uint64_t
+hash_xor_key8(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t xor0;
+
+       xor0 = seed ^ (k[0] & m[0]);
+
+       return (xor0 >> 32) ^ xor0;
+}
+
+static inline uint64_t
+hash_xor_key16(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t xor0;
+
+       xor0 = ((k[0] & m[0]) ^ seed) ^ (k[1] & m[1]);
+
+       return (xor0 >> 32) ^ xor0;
+}
+
+static inline uint64_t
+hash_xor_key24(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t xor0;
+
+       xor0 = ((k[0] & m[0]) ^ seed) ^ (k[1] & m[1]);
+
+       xor0 ^= k[2] & m[2];
+
+       return (xor0 >> 32) ^ xor0;
+}
+
+static inline uint64_t
+hash_xor_key32(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t xor0, xor1;
+
+       xor0 = ((k[0] & m[0]) ^ seed) ^ (k[1] & m[1]);
+       xor1 = (k[2] & m[2]) ^ (k[3] & m[3]);
+
+       xor0 ^= xor1;
+
+       return (xor0 >> 32) ^ xor0;
+}
+
+static inline uint64_t
+hash_xor_key40(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t xor0, xor1;
+
+       xor0 = ((k[0] & m[0]) ^ seed) ^ (k[1] & m[1]);
+       xor1 = (k[2] & m[2]) ^ (k[3] & m[3]);
+
+       xor0 ^= xor1;
+
+       xor0 ^= k[4] & m[4];
+
+       return (xor0 >> 32) ^ xor0;
+}
+
+static inline uint64_t
+hash_xor_key48(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t xor0, xor1, xor2;
+
+       xor0 = ((k[0] & m[0]) ^ seed) ^ (k[1] & m[1]);
+       xor1 = (k[2] & m[2]) ^ (k[3] & m[3]);
+       xor2 = (k[4] & m[4]) ^ (k[5] & m[5]);
+
+       xor0 ^= xor1;
+
+       xor0 ^= xor2;
+
+       return (xor0 >> 32) ^ xor0;
+}
+
+static inline uint64_t
+hash_xor_key56(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t xor0, xor1, xor2;
+
+       xor0 = ((k[0] & m[0]) ^ seed) ^ (k[1] & m[1]);
+       xor1 = (k[2] & m[2]) ^ (k[3] & m[3]);
+       xor2 = (k[4] & m[4]) ^ (k[5] & m[5]);
+
+       xor0 ^= xor1;
+       xor2 ^= k[6] & m[6];
+
+       xor0 ^= xor2;
+
+       return (xor0 >> 32) ^ xor0;
+}
+
+static inline uint64_t
+hash_xor_key64(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t xor0, xor1, xor2, xor3;
+
+       xor0 = ((k[0] & m[0]) ^ seed) ^ (k[1] & m[1]);
+       xor1 = (k[2] & m[2]) ^ (k[3] & m[3]);
+       xor2 = (k[4] & m[4]) ^ (k[5] & m[5]);
+       xor3 = (k[6] & m[6]) ^ (k[7] & m[7]);
+
+       xor0 ^= xor1;
+       xor2 ^= xor3;
+
+       xor0 ^= xor2;
+
+       return (xor0 >> 32) ^ xor0;
+}
+
+#if defined(RTE_ARCH_X86_64)
+
+#include <x86intrin.h>
+
+static inline uint64_t
+hash_crc_key8(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t crc0;
+
+       crc0 = _mm_crc32_u64(seed, k[0] & m[0]);
+
+       return crc0;
+}
+
+static inline uint64_t
+hash_crc_key16(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t k0, crc0, crc1;
+
+       k0 = k[0] & m[0];
+
+       crc0 = _mm_crc32_u64(k0, seed);
+       crc1 = _mm_crc32_u64(k0 >> 32, k[1] & m[1]);
+
+       crc0 ^= crc1;
+
+       return crc0;
+}
+
+static inline uint64_t
+hash_crc_key24(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t k0, k2, crc0, crc1;
+
+       k0 = k[0] & m[0];
+       k2 = k[2] & m[2];
+
+       crc0 = _mm_crc32_u64(k0, seed);
+       crc1 = _mm_crc32_u64(k0 >> 32, k[1] & m[1]);
+
+       crc0 = _mm_crc32_u64(crc0, k2);
+
+       crc0 ^= crc1;
+
+       return crc0;
+}
+
+static inline uint64_t
+hash_crc_key32(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t k0, k2, crc0, crc1, crc2, crc3;
+
+       k0 = k[0] & m[0];
+       k2 = k[2] & m[2];
+
+       crc0 = _mm_crc32_u64(k0, seed);
+       crc1 = _mm_crc32_u64(k0 >> 32, k[1] & m[1]);
+
+       crc2 = _mm_crc32_u64(k2, k[3] & m[3]);
+       crc3 = k2 >> 32;
+
+       crc0 = _mm_crc32_u64(crc0, crc1);
+       crc1 = _mm_crc32_u64(crc2, crc3);
+
+       crc0 ^= crc1;
+
+       return crc0;
+}
+
+static inline uint64_t
+hash_crc_key40(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t k0, k2, crc0, crc1, crc2, crc3;
+
+       k0 = k[0] & m[0];
+       k2 = k[2] & m[2];
+
+       crc0 = _mm_crc32_u64(k0, seed);
+       crc1 = _mm_crc32_u64(k0 >> 32, k[1] & m[1]);
+
+       crc2 = _mm_crc32_u64(k2, k[3] & m[3]);
+       crc3 = _mm_crc32_u64(k2 >> 32, k[4] & m[4]);
+
+       crc0 = _mm_crc32_u64(crc0, crc1);
+       crc1 = _mm_crc32_u64(crc2, crc3);
+
+       crc0 ^= crc1;
+
+       return crc0;
+}
+
+static inline uint64_t
+hash_crc_key48(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t k0, k2, k5, crc0, crc1, crc2, crc3;
+
+       k0 = k[0] & m[0];
+       k2 = k[2] & m[2];
+       k5 = k[5] & m[5];
+
+       crc0 = _mm_crc32_u64(k0, seed);
+       crc1 = _mm_crc32_u64(k0 >> 32, k[1] & m[1]);
+
+       crc2 = _mm_crc32_u64(k2, k[3] & m[3]);
+       crc3 = _mm_crc32_u64(k2 >> 32, k[4] & m[4]);
+
+       crc0 = _mm_crc32_u64(crc0, (crc1 << 32) ^ crc2);
+       crc1 = _mm_crc32_u64(crc3, k5);
+
+       crc0 ^= crc1;
+
+       return crc0;
+}
+
+static inline uint64_t
+hash_crc_key56(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t k0, k2, k5, crc0, crc1, crc2, crc3, crc4, crc5;
+
+       k0 = k[0] & m[0];
+       k2 = k[2] & m[2];
+       k5 = k[5] & m[5];
+
+       crc0 = _mm_crc32_u64(k0, seed);
+       crc1 = _mm_crc32_u64(k0 >> 32, k[1] & m[1]);
+
+       crc2 = _mm_crc32_u64(k2, k[3] & m[3]);
+       crc3 = _mm_crc32_u64(k2 >> 32, k[4] & m[4]);
+
+       crc4 = _mm_crc32_u64(k5, k[6] & m[6]);
+       crc5 = k5 >> 32;
+
+       crc0 = _mm_crc32_u64(crc0, (crc1 << 32) ^ crc2);
+       crc1 = _mm_crc32_u64(crc3, (crc4 << 32) ^ crc5);
+
+       crc0 ^= crc1;
+
+       return crc0;
+}
+
+static inline uint64_t
+hash_crc_key64(void *key, void *mask, __rte_unused uint32_t key_size,
+       uint64_t seed)
+{
+       uint64_t *k = key;
+       uint64_t *m = mask;
+       uint64_t k0, k2, k5, crc0, crc1, crc2, crc3, crc4, crc5;
+
+       k0 = k[0] & m[0];
+       k2 = k[2] & m[2];
+       k5 = k[5] & m[5];
+
+       crc0 = _mm_crc32_u64(k0, seed);
+       crc1 = _mm_crc32_u64(k0 >> 32, k[1] & m[1]);
+
+       crc2 = _mm_crc32_u64(k2, k[3] & m[3]);
+       crc3 = _mm_crc32_u64(k2 >> 32, k[4] & m[4]);
+
+       crc4 = _mm_crc32_u64(k5, k[6] & m[6]);
+       crc5 = _mm_crc32_u64(k5 >> 32, k[7] & m[7]);
+
+       crc0 = _mm_crc32_u64(crc0, (crc1 << 32) ^ crc2);
+       crc1 = _mm_crc32_u64(crc3, (crc4 << 32) ^ crc5);
+
+       crc0 ^= crc1;
+
+       return crc0;
+}
+
+#define hash_default_key8                      hash_crc_key8
+#define hash_default_key16                     hash_crc_key16
+#define hash_default_key24                     hash_crc_key24
+#define hash_default_key32                     hash_crc_key32
+#define hash_default_key40                     hash_crc_key40
+#define hash_default_key48                     hash_crc_key48
+#define hash_default_key56                     hash_crc_key56
+#define hash_default_key64                     hash_crc_key64
+
+#elif defined(RTE_ARCH_ARM64)
+#include "hash_func_arm64.h"
+#else
+
+#define hash_default_key8                      hash_xor_key8
+#define hash_default_key16                     hash_xor_key16
+#define hash_default_key24                     hash_xor_key24
+#define hash_default_key32                     hash_xor_key32
+#define hash_default_key40                     hash_xor_key40
+#define hash_default_key48                     hash_xor_key48
+#define hash_default_key56                     hash_xor_key56
+#define hash_default_key64                     hash_xor_key64
+
+#endif
+
+#endif