diff options
author | Dave Barach <dave@barachs.net> | 2020-04-22 10:02:31 -0400 |
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committer | Florin Coras <florin.coras@gmail.com> | 2020-04-22 19:58:20 +0000 |
commit | 053d0935244843199c433e92df666b4f79007727 (patch) | |
tree | 82fa449bd70f36a6d5ac75abcb3b89d8685bc868 /extras/deprecated/vppinfra/flowhash_24_16.h | |
parent | f932f97d7d8e55ab62aba0f18d59a9622c21efd8 (diff) |
vppinfra: move unused code to extras/deprecated/vppinfra
Type: improvement
Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: Id28299a188feefa1899d835fd499f018af95d81b
Diffstat (limited to 'extras/deprecated/vppinfra/flowhash_24_16.h')
-rw-r--r-- | extras/deprecated/vppinfra/flowhash_24_16.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/extras/deprecated/vppinfra/flowhash_24_16.h b/extras/deprecated/vppinfra/flowhash_24_16.h new file mode 100644 index 00000000000..64ee0796c7a --- /dev/null +++ b/extras/deprecated/vppinfra/flowhash_24_16.h @@ -0,0 +1,77 @@ +/* + * 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_ */ |