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/*
* Copyright (c) 2020 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.
*/
/**
* @file nat44_ei.h
* NAT44 endpoint independent plugin declarations
*/
#ifndef __included_nat44_ei_h__
#define __included_nat44_ei_h__
int nat44_ei_plugin_enable ();
void nat44_ei_plugin_disable ();
/**
* @brief Delete specific NAT44 EI user and his sessions
*
* @param addr IPv4 address
* @param fib_index FIB table index
*/
int nat44_ei_user_del (ip4_address_t *addr, u32 fib_index);
/**
* @brief Delete session for static mapping
*
* @param addr IPv4 address
* @param fib_index FIB table index
*/
void nat44_ei_static_mapping_del_sessions (snat_main_t *sm,
snat_main_per_thread_data_t *tsm,
snat_user_key_t u_key,
int addr_only, ip4_address_t e_addr,
u16 e_port);
u32 nat44_ei_get_in2out_worker_index (ip4_header_t *ip0, u32 rx_fib_index0,
u8 is_output);
u32 nat44_ei_get_out2in_worker_index (vlib_buffer_t *b, ip4_header_t *ip0,
u32 rx_fib_index0, u8 is_output);
/**
* @brief Set address and port assignment algorithm to default/standard
*/
void nat44_ei_set_alloc_default (void);
/**
* @brief Set address and port assignment algorithm for MAP-E CE
*
* @param psid Port Set Identifier value
* @param psid_offset number of offset bits
* @param psid_length length of PSID
*/
void nat44_ei_set_alloc_mape (u16 psid, u16 psid_offset, u16 psid_length);
/**
* @brief Set address and port assignment algorithm for port range
*
* @param start_port beginning of the port range
* @param end_port end of the port range
*/
void nat44_ei_set_alloc_range (u16 start_port, u16 end_port);
#endif /* __included_nat44_ei_h__ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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