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/*
* Copyright (c) 2012 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.
*/
#ifndef SRC_VPPINFRA_FLOWHASH_24_16_H_
#define SRC_VPPINFRA_FLOWHASH_24_16_H_
#ifdef __included_flowhash_template_h__
#undef __included_flowhash_template_h__
#endif
#include <vppinfra/clib.h>
#include <vppinfra/xxhash.h>
#include <vppinfra/crc32.h>
typedef struct {
u64 as_u64[3];
} flowhash_skey_24_16_t;
typedef struct {
u64 as_u64[3];
} flowhash_lkey_24_16_t;
typedef struct {
u64 as_u64[2];
} flowhash_value_24_16_t;
#define FLOWHASH_TYPE _24_16
#include <vppinfra/flowhash_template.h>
#undef FLOWHASH_TYPE
static_always_inline
u32 flowhash_hash_24_16(flowhash_lkey_24_16_t *k)
{
#ifdef clib_crc32c_uses_intrinsics
return clib_crc32c ((u8 *) &k->as_u64[0], 24);
#else
u64 val = 0;
val ^= k->as_u64[0];
val ^= k->as_u64[1];
val ^= k->as_u64[2];
return (u32)clib_xxhash (val);
#endif
}
static_always_inline
u8 flowhash_cmp_key_24_16(flowhash_skey_24_16_t *a,
flowhash_lkey_24_16_t *b)
{
u8 val = 0;
val |= (a->as_u64[0] != b->as_u64[0]);
val |= (a->as_u64[1] != b->as_u64[1]);
val |= (a->as_u64[2] != b->as_u64[2]);
return val;
}
static_always_inline
void flowhash_cpy_key_24_16(flowhash_skey_24_16_t *dst,
flowhash_lkey_24_16_t *src)
{
dst->as_u64[0] = src->as_u64[0];
dst->as_u64[1] = src->as_u64[1];
dst->as_u64[2] = src->as_u64[2];
}
#endif /* SRC_VPPINFRA_FLOWHASH_24_16_H_ */
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