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Diffstat (limited to 'src/vppinfra/flowhash_8_8.h')
-rw-r--r-- | src/vppinfra/flowhash_8_8.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/vppinfra/flowhash_8_8.h b/src/vppinfra/flowhash_8_8.h new file mode 100644 index 00000000000..4a5cfc0a0c6 --- /dev/null +++ b/src/vppinfra/flowhash_8_8.h @@ -0,0 +1,67 @@ +/* + * 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_8_8_H_ +#define SRC_VPPINFRA_FLOWHASH_8_8_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[1]; +} flowhash_skey_8_8_t; + +typedef struct { + u64 as_u64[1]; +} flowhash_lkey_8_8_t; + +typedef struct { + u64 as_u64[1]; +} flowhash_value_8_8_t; + +#define FLOWHASH_TYPE _8_8 +#include <vppinfra/flowhash_template.h> +#undef FLOWHASH_TYPE + +static_always_inline +u32 flowhash_hash_8_8(flowhash_lkey_8_8_t *k) +{ +#ifdef clib_crc32c_uses_intrinsics + return clib_crc32c ((u8 *) &k->as_u64[0], 8); +#else + return clib_xxhash (k->as_u64[0]); +#endif +} + +static_always_inline +u8 flowhash_cmp_key_8_8(flowhash_skey_8_8_t *a, + flowhash_lkey_8_8_t *b) +{ + return a->as_u64[0] != b->as_u64[0]; +} + +static_always_inline +void flowhash_cpy_key_8_8(flowhash_skey_8_8_t *dst, + flowhash_lkey_8_8_t *src) +{ + dst->as_u64[0] = src->as_u64[0]; +} + +#endif /* SRC_VPPINFRA_FLOWHASH_8_8_H_ */ |