2 * Copyright (c) 2017-2019 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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 #ifndef SRC_VNET_SESSION_SESSION_LOOKUP_H_
17 #define SRC_VNET_SESSION_SESSION_LOOKUP_H_
19 #include <vnet/session/session_table.h>
20 #include <vnet/session/session_types.h>
21 #include <vnet/session/application_namespace.h>
23 #define HALF_OPEN_LOOKUP_INVALID_VALUE ((u64)~0)
25 typedef enum session_lookup_result_
27 SESSION_LOOKUP_RESULT_NONE,
28 SESSION_LOOKUP_RESULT_WRONG_THREAD,
29 SESSION_LOOKUP_RESULT_FILTERED
30 } session_lookup_result_t;
32 typedef struct session_lookup_main_
34 clib_spinlock_t st_alloc_lock;
35 } session_lookup_main_t;
37 session_t *session_lookup_safe4 (u32 fib_index, ip4_address_t * lcl,
38 ip4_address_t * rmt, u16 lcl_port,
39 u16 rmt_port, u8 proto);
40 session_t *session_lookup_safe6 (u32 fib_index, ip6_address_t * lcl,
41 ip6_address_t * rmt, u16 lcl_port,
42 u16 rmt_port, u8 proto);
43 transport_connection_t *session_lookup_connection_wt4 (u32 fib_index,
47 u16 rmt_port, u8 proto,
50 transport_connection_t *session_lookup_connection4 (u32 fib_index,
54 u16 rmt_port, u8 proto);
55 transport_connection_t *session_lookup_connection_wt6 (u32 fib_index,
59 u16 rmt_port, u8 proto,
62 transport_connection_t *session_lookup_connection6 (u32 fib_index,
66 u16 rmt_port, u8 proto);
67 transport_connection_t *session_lookup_connection (u32 fib_index,
70 u16 lcl_port, u16 rmt_port,
72 session_t *session_lookup_listener4 (u32 fib_index, ip4_address_t * lcl,
73 u16 lcl_port, u8 proto, u8 use_wildcard);
74 session_t *session_lookup_listener6 (u32 fib_index, ip6_address_t * lcl,
75 u16 lcl_port, u8 proto, u8 use_wildcard);
76 session_t *session_lookup_listener (u32 table_index,
77 session_endpoint_t * sep);
78 session_t *session_lookup_listener_wildcard (u32 table_index,
79 session_endpoint_t * sep);
80 int session_lookup_add_connection (transport_connection_t * tc, u64 value);
81 int session_lookup_del_connection (transport_connection_t * tc);
82 u64 session_lookup_endpoint_listener (u32 table_index,
83 session_endpoint_t * sepi,
85 u64 session_lookup_local_endpoint (u32 table_index, session_endpoint_t * sep);
86 session_t *session_lookup_global_session_endpoint (session_endpoint_t *);
87 int session_lookup_add_session_endpoint (u32 table_index,
88 session_endpoint_t * sep, u64 value);
89 int session_lookup_del_session_endpoint (u32 table_index,
90 session_endpoint_t * sep);
91 int session_lookup_del_session_endpoint2 (session_endpoint_t * sep);
92 int session_lookup_del_session (session_t * s);
93 int session_lookup_del_half_open (transport_connection_t * tc);
94 int session_lookup_add_half_open (transport_connection_t * tc, u64 value);
95 u64 session_lookup_half_open_handle (transport_connection_t * tc);
96 transport_connection_t *session_lookup_half_open_connection (u64 handle,
99 u32 session_lookup_get_index_for_fib (u32 fib_proto, u32 fib_index);
100 u32 session_lookup_get_or_alloc_index_for_fib (u32 fib_proto, u32 fib_index);
102 void session_lookup_show_table_entries (vlib_main_t * vm,
103 session_table_t * table, u8 type,
106 void session_lookup_dump_rules_table (u32 fib_index, u8 fib_proto,
108 void session_lookup_dump_local_rules_table (u32 fib_index, u8 fib_proto,
111 typedef enum _session_rule_scope
113 SESSION_RULE_SCOPE_GLOBAL = 1,
114 SESSION_RULE_SCOPE_LOCAL = 2,
115 } session_rule_scope_e;
117 typedef struct _session_rule_add_del_args
120 * Actual arguments to adding the rule to a session rules table
122 session_rule_table_add_del_args_t table_args;
124 * Application namespace where rule should be applied. If 0,
125 * default namespace is used.
133 * Transport protocol for the rule
136 } session_rule_add_del_args_t;
138 session_error_t vnet_session_rule_add_del (session_rule_add_del_args_t *args);
139 void session_lookup_set_tables_appns (app_namespace_t * app_ns);
141 void session_lookup_init (void);
143 #endif /* SRC_VNET_SESSION_SESSION_LOOKUP_H_ */
146 * fd.io coding-style-patch-verification: ON
149 * eval: (c-set-style "gnu")