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Vector Packet Processing
hash_lookup_types.h
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1 /*
2  *------------------------------------------------------------------
3  * Copyright (c) 2017 Cisco and/or its affiliates.
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at:
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *------------------------------------------------------------------
16  */
17 
18 #ifndef _ACL_HASH_LOOKUP_TYPES_H_
19 #define _ACL_HASH_LOOKUP_TYPES_H_
20 
21 #include "types.h"
22 
23 /* The structure representing the single entry with hash representation */
24 typedef struct {
26  /* these two entries refer to the original ACL# and rule# within that ACL */
29 
31 
34 
35 /*
36  * The structure holding the information necessary for the hash-based ACL operation
37  */
38 typedef struct {
39  /* hash ACL applied on these lookup contexts */
42  /* a boolean flag set when the hash acl info is initialized */
45 
46 
47 typedef struct {
54 
55 typedef struct {
56  /* original non-compiled ACL */
59  /* the index of the hash_ace_info_t */
61  /* applied mask type index */
63  /*
64  * index of applied entry, which owns the colliding_rules vector
65  */
67  /*
68  * Collision rule vector for matching - set only on head entry
69  */
71  /*
72  * number of hits on this entry
73  */
75  /*
76  * acl position in vector of ACLs within lookup context
77  */
79  /*
80  * Action of this applied ACE
81  */
84 
85 typedef struct {
86 
87  /* applied ACLs so we can track them independently from main ACL module */
90 
91 
92 typedef union {
94  struct {
98  u8 reserved_flags:8;
99  };
101 
102 
103 typedef struct {
105  /* first rule # for this mask */
107  /* Debug Information */
111 
112 
113 #define CT_ASSERT_EQUAL(name, x,y) typedef int assert_ ## name ## _compile_time_assertion_failed[((x) == (y))-1]
114 
115 CT_ASSERT_EQUAL(hash_acl_lookup_value_t_is_u64, sizeof(hash_acl_lookup_value_t), sizeof(u64));
116 
117 #undef CT_ASSERT_EQUAL
118 
119 #endif
u32 acl_index
unsigned long u64
Definition: types.h:89
u8 action
u32 hash_ace_info_index
unsigned char u8
Definition: types.h:56
u32 acl_position
unsigned int u32
Definition: types.h:88
collision_match_rule_t * colliding_rules
u32 mask_type_index
unsigned short u16
Definition: types.h:57
u64 hitcount
hash_ace_info_t * rules
u32 collision_head_ae_index
#define CT_ASSERT_EQUAL(name, x, y)
u32 ace_index