FD.io VPP  v20.09-64-g4f7b92f0a
Vector Packet Processing
flowhash_8_8.h
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2012 Cisco and/or its affiliates.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef SRC_VPPINFRA_FLOWHASH_8_8_H_
17 #define SRC_VPPINFRA_FLOWHASH_8_8_H_
18 
19 #ifdef __included_flowhash_template_h__
20 #undef __included_flowhash_template_h__
21 #endif
22 
23 #include <vppinfra/clib.h>
24 #include <vppinfra/xxhash.h>
25 #include <vppinfra/crc32.h>
26 
27 typedef struct {
28  u64 as_u64[1];
30 
31 typedef struct {
32  u64 as_u64[1];
34 
35 typedef struct {
36  u64 as_u64[1];
38 
39 #define FLOWHASH_TYPE _8_8
41 #undef FLOWHASH_TYPE
42 
45 {
46 #ifdef clib_crc32c_uses_intrinsics
47  return clib_crc32c ((u8 *) &k->as_u64[0], 8);
48 #else
49  return clib_xxhash (k->as_u64[0]);
50 #endif
51 }
52 
56 {
57  return a->as_u64[0] != b->as_u64[0];
58 }
59 
63 {
64  dst->as_u64[0] = src->as_u64[0];
65 }
66 
67 #endif /* SRC_VPPINFRA_FLOWHASH_8_8_H_ */
static_always_inline u32 flowhash_hash_8_8(flowhash_lkey_8_8_t *k)
Definition: flowhash_8_8.h:44
a
Definition: bitmap.h:538
u64 as_u64
Definition: bihash_doc.h:63
unsigned long u64
Definition: types.h:89
static u64 clib_xxhash(u64 key)
Definition: xxhash.h:58
vl_api_address_t src
Definition: gre.api:54
unsigned char u8
Definition: types.h:56
#define static_always_inline
Definition: clib.h:108
unsigned int u32
Definition: types.h:88
static_always_inline u8 flowhash_cmp_key_8_8(flowhash_skey_8_8_t *a, flowhash_lkey_8_8_t *b)
Definition: flowhash_8_8.h:54
vl_api_address_t dst
Definition: gre.api:55
static_always_inline void flowhash_cpy_key_8_8(flowhash_skey_8_8_t *dst, flowhash_lkey_8_8_t *src)
Definition: flowhash_8_8.h:61