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/*
* 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;
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);
#endif /* SRC_VNET_SESSION_SESSION_LOOKUP_H_ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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