/* * 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_ */