| /* |
| * 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/transport.h> |
| #include <vnet/session/application_namespace.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; |
| |
| 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); |
| session_t *session_lookup_listener4 (u32 fib_index, |
| ip4_address_t * lcl, u16 lcl_port, |
| u8 proto); |
| session_t *session_lookup_listener6 (u32 fib_index, |
| ip6_address_t * lcl, u16 lcl_port, |
| u8 proto); |
| session_t *session_lookup_listener (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 (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); |
| |
| 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); |
| |
| enum _session_rule_scope |
| { |
| SESSION_RULE_SCOPE_GLOBAL = 1, |
| SESSION_RULE_SCOPE_LOCAL = 2, |
| } session_rule_scope_e; |
| |
| 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; |
| |
| clib_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); |
| |
| #endif /* SRC_VNET_SESSION_SESSION_LOOKUP_H_ */ |
| |
| /* |
| * fd.io coding-style-patch-verification: ON |
| * |
| * Local Variables: |
| * eval: (c-set-style "gnu") |
| * End: |
| */ |