1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* Copyright (c) 2017-2019 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_VNET_SESSION_SESSION_LOOKUP_H_
#define SRC_VNET_SESSION_SESSION_LOOKUP_H_
#include <vnet/session/session_table.h>
#include <vnet/session/session_types.h>
#include <vnet/session/application_namespace.h>
#include <vnet/fib/fib_table.h>
#include <vnet/fib/fib_source.h>
#define HALF_OPEN_LOOKUP_INVALID_VALUE ((u64)~0)
typedef enum session_lookup_result_
{
SESSION_LOOKUP_RESULT_NONE,
SESSION_LOOKUP_RESULT_WRONG_THREAD,
SESSION_LOOKUP_RESULT_FILTERED
} session_lookup_result_t;
typedef struct session_lookup_main_
{
clib_spinlock_t st_alloc_lock;
fib_source_t fib_src;
} session_lookup_main_t;
session_t *session_lookup_safe4 (u32 fib_index, ip4_address_t * lcl,
ip4_address_t * rmt, u16 lcl_port,
u16 rmt_port, u8 proto);
session_t *session_lookup_safe6 (u32 fib_index, ip6_address_t * lcl,
ip6_address_t * rmt, u16 lcl_port,
u16 rmt_port, u8 proto);
transport_connection_t *session_lookup_connection_wt4 (u32 fib_index,
ip4_address_t * lcl,
ip4_address_t * rmt,
u16 lcl_port,
u16 rmt_port, u8 proto,
u32 thread_index,
u8 * is_filtered);
transport_connection_t *session_lookup_connection4 (u32 fib_index,
ip4_address_t * lcl,
ip4_address_t * rmt,
u16 lcl_port,
u16 rmt_port, u8 proto);
transport_connection_t *session_lookup_connection_wt6 (u32 fib_index,
ip6_address_t * lcl,
ip6_address_t * rmt,
u16 lcl_port,
u16 rmt_port, u8 proto,
u32 thread_index,
u8 * is_filtered);
transport_connection_t *session_lookup_connection6 (u32 fib_index,
ip6_address_t * lcl,
ip6_address_t * rmt,
u16 lcl_port,
u16 rmt_port, u8 proto);
transport_connection_t *session_lookup_connection (u32 fib_index,
ip46_address_t * lcl,
ip46_address_t * rmt,
u16 lcl_port, u16 rmt_port,
u8 proto, u8 is_ip4);
session_t *session_lookup_listener4 (u32 fib_index, ip4_address_t * lcl,
u16 lcl_port, u8 proto, u8 use_wildcard);
session_t *session_lookup_listener6 (u32 fib_index, ip6_address_t * lcl,
u16 lcl_port, u8 proto, u8 use_wildcard);
session_t *session_lookup_listener (u32 table_index,
session_endpoint_t * sep);
session_t *session_lookup_listener_wildcard (u32 table_index,
session_endpoint_t * sep);
int session_lookup_add_connection (transport_connection_t * tc, u64 value);
int session_lookup_del_connection (transport_connection_t * tc);
u64 session_lookup_endpoint_listener (u32 table_index,
session_endpoint_t * sepi,
u8 use_rules);
u64 session_lookup_local_endpoint (u32 table_index, session_endpoint_t * sep);
session_t *session_lookup_global_session_endpoint (session_endpoint_t *);
int session_lookup_add_session_endpoint (u32 table_index,
session_endpoint_t * sep, u64 value);
int session_lookup_del_session_endpoint (u32 table_index,
session_endpoint_t * sep);
int session_lookup_del_session_endpoint2 (session_endpoint_t * sep);
int session_lookup_del_session (session_t * s);
int session_lookup_del_half_open (transport_connection_t * tc);
int session_lookup_add_half_open (transport_connection_t * tc, u64 value);
u64 session_lookup_half_open_handle (transport_connection_t * tc);
transport_connection_t *session_lookup_half_open_connection (u64 handle,
u8 proto,
u8 is_ip4);
u32 session_lookup_get_index_for_fib (u32 fib_proto, u32 fib_index);
u32 session_lookup_get_or_alloc_index_for_fib (u32 fib_proto, u32 fib_index);
void session_lookup_show_table_entries (vlib_main_t * vm,
session_table_t * table, u8 type,
u8 is_local);
void session_lookup_dump_rules_table (u32 fib_index, u8 fib_proto,
u8 transport_proto);
void session_lookup_dump_local_rules_table (u32 fib_index, u8 fib_proto,
u8 transport_proto);
typedef enum _session_rule_scope
{
SESSION_RULE_SCOPE_GLOBAL = 1,
SESSION_RULE_SCOPE_LOCAL = 2,
} session_rule_scope_e;
typedef struct _session_rules_table_add_del_args
{
fib_prefix_t lcl;
fib_prefix_t rmt;
u16 lcl_port;
u16 rmt_port;
u32 action_index;
u8 *tag;
u8 is_add;
} session_rule_table_add_del_args_t;
typedef struct _session_rule_add_del_args
{
/**
* Actual arguments to adding the rule to a session rules table
*/
session_rule_table_add_del_args_t table_args;
/**
* Application namespace where rule should be applied. If 0,
* default namespace is used.
*/
u32 appns_index;
/**
* Rule scope flag.
*/
u8 scope;
/**
* Transport protocol for the rule
*/
u8 transport_proto;
} session_rule_add_del_args_t;
session_error_t vnet_session_rule_add_del (session_rule_add_del_args_t *args);
void session_lookup_set_tables_appns (app_namespace_t * app_ns);
void session_lookup_init (void);
session_table_t *session_table_get_for_fib_index (u32 fib_proto,
u32 fib_index);
#endif /* SRC_VNET_SESSION_SESSION_LOOKUP_H_ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
