/* * 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> #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); 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_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; int 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: */