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 session_t *session_lookup_safe4 (u32 fib_index, ip4_address_t * lcl,
33 ip4_address_t * rmt, u16 lcl_port,
34 u16 rmt_port, u8 proto);
35 session_t *session_lookup_safe6 (u32 fib_index, ip6_address_t * lcl,
36 ip6_address_t * rmt, u16 lcl_port,
37 u16 rmt_port, u8 proto);
38 transport_connection_t *session_lookup_connection_wt4 (u32 fib_index,
42 u16 rmt_port, u8 proto,
45 transport_connection_t *session_lookup_connection4 (u32 fib_index,
49 u16 rmt_port, u8 proto);
50 transport_connection_t *session_lookup_connection_wt6 (u32 fib_index,
54 u16 rmt_port, u8 proto,
57 transport_connection_t *session_lookup_connection6 (u32 fib_index,
61 u16 rmt_port, u8 proto);
62 session_t *session_lookup_listener4 (u32 fib_index,
63 ip4_address_t * lcl, u16 lcl_port,
65 session_t *session_lookup_listener6 (u32 fib_index,
66 ip6_address_t * lcl, u16 lcl_port,
68 session_t *session_lookup_listener (u32 table_index,
69 session_endpoint_t * sep);
70 int session_lookup_add_connection (transport_connection_t * tc, u64 value);
71 int session_lookup_del_connection (transport_connection_t * tc);
72 u64 session_lookup_endpoint_listener (u32 table_index,
73 session_endpoint_t * sepi,
75 u64 session_lookup_local_endpoint (u32 table_index, session_endpoint_t * sep);
76 session_t *session_lookup_global_session_endpoint (session_endpoint_t *);
77 int session_lookup_add_session_endpoint (u32 table_index,
78 session_endpoint_t * sep, u64 value);
79 int session_lookup_del_session_endpoint (u32 table_index,
80 session_endpoint_t * sep);
81 int session_lookup_del_session (session_t * s);
82 int session_lookup_del_half_open (transport_connection_t * tc);
83 int session_lookup_add_half_open (transport_connection_t * tc, u64 value);
84 u64 session_lookup_half_open_handle (transport_connection_t * tc);
85 transport_connection_t *session_lookup_half_open_connection (u64 handle,
88 u32 session_lookup_get_index_for_fib (u32 fib_proto, u32 fib_index);
90 void session_lookup_show_table_entries (vlib_main_t * vm,
91 session_table_t * table, u8 type,
94 void session_lookup_dump_rules_table (u32 fib_index, u8 fib_proto,
96 void session_lookup_dump_local_rules_table (u32 fib_index, u8 fib_proto,
99 enum _session_rule_scope
101 SESSION_RULE_SCOPE_GLOBAL = 1,
102 SESSION_RULE_SCOPE_LOCAL = 2,
103 } session_rule_scope_e;
105 typedef struct _session_rule_add_del_args
108 * Actual arguments to adding the rule to a session rules table
110 session_rule_table_add_del_args_t table_args;
112 * Application namespace where rule should be applied. If 0,
113 * default namespace is used.
121 * Transport protocol for the rule
124 } session_rule_add_del_args_t;
126 int vnet_session_rule_add_del (session_rule_add_del_args_t * args);
127 void session_lookup_set_tables_appns (app_namespace_t * app_ns);
129 void session_lookup_init (void);
131 #endif /* SRC_VNET_SESSION_SESSION_LOOKUP_H_ */
134 * fd.io coding-style-patch-verification: ON
137 * eval: (c-set-style "gnu")