mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-24 22:32:23 +00:00
104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2012, Thingsquare, http://www.thingsquare.com/.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of the copyright holder nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
#ifndef IP64_ADDRMAP_H
|
|
#define IP64_ADDRMAP_H
|
|
|
|
|
|
#include "sys/timer.h"
|
|
#include "net/ip/uip.h"
|
|
|
|
struct ip64_addrmap_entry {
|
|
struct ip64_addrmap_entry *next;
|
|
struct timer timer;
|
|
uip_ip6addr_t ip6addr;
|
|
uip_ip4addr_t ip4addr;
|
|
uint32_t ip6to4, ip4to6;
|
|
uint16_t mapped_port;
|
|
uint16_t ip6port;
|
|
uint16_t ip4port;
|
|
uint8_t protocol;
|
|
uint8_t flags;
|
|
};
|
|
|
|
#define FLAGS_NONE 0
|
|
#define FLAGS_RECYCLABLE 1
|
|
|
|
/**
|
|
* Initialize the ip64_addrmap module.
|
|
*/
|
|
void ip64_addrmap_init(void);
|
|
|
|
|
|
/**
|
|
* Look up an address mapping from inside the IPv6 network, given the
|
|
* IPv6 address/port, the IPv4 address/port, and the protocol.
|
|
*/
|
|
struct ip64_addrmap_entry *ip64_addrmap_lookup(const uip_ip6addr_t *ip6addr,
|
|
uint16_t ip6port,
|
|
const uip_ip4addr_t *ip4addr,
|
|
uint16_t ip4port,
|
|
uint8_t protocol);
|
|
|
|
/**
|
|
* Look up an address mapping from the outside IPv4 network, given the
|
|
* mapped port number and protocol.
|
|
*/
|
|
struct ip64_addrmap_entry *ip64_addrmap_lookup_port(uint16_t mappedport,
|
|
uint8_t protocol);
|
|
|
|
/**
|
|
* Create a new address mapping from an IPv6 address/port, an IPv4
|
|
* address/port, and a protocol number.
|
|
*/
|
|
struct ip64_addrmap_entry *ip64_addrmap_create(const uip_ip6addr_t *ip6addr,
|
|
uint16_t ip6port,
|
|
const uip_ip4addr_t *ip4addr,
|
|
uint16_t ip4port,
|
|
uint8_t protocol);
|
|
|
|
/**
|
|
* Set the lifetime of an address mapping.
|
|
*/
|
|
void ip64_addrmap_set_lifetime(struct ip64_addrmap_entry *e,
|
|
clock_time_t lifetime);
|
|
|
|
/**
|
|
* Mark an address mapping to be recyclable.
|
|
*/
|
|
void ip64_addrmap_set_recycleble(struct ip64_addrmap_entry *e);
|
|
|
|
/**
|
|
* Obtain the list of all address mappings.
|
|
*/
|
|
struct ip64_addrmap_entry *ip64_addrmap_list(void);
|
|
#endif /* IP64_ADDRMAP_H */
|