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/*
* Copyright 2011 Daniel Drown
*
* 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.
*
* config.h - configuration settings
*/
#ifndef __CONFIG_H__
#define __CONFIG_H__
#include <netinet/in.h>
#include <linux/if.h>
#define DEFAULT_IPV4_LOCAL_SUBNET "192.0.0.4"
#define DEFAULT_IPV4_LOCAL_PREFIXLEN "29"
#define DEFAULT_DNS64_DETECTION_HOSTNAME "ipv4only.arpa"
struct clat_config {
int16_t mtu, ipv4mtu;
struct in6_addr ipv6_local_subnet;
struct in6_addr ipv6_host_id;
struct in_addr ipv4_local_subnet;
int16_t ipv4_local_prefixlen;
struct in6_addr plat_subnet;
char *default_pdp_interface;
char *plat_from_dns64_hostname;
int use_dynamic_iid;
};
extern struct clat_config Global_Clatd_Config;
extern int rx_checksum_offloaded;
int read_config(const char *file, const char *uplink_interface, const char *plat_prefix,
unsigned net_id);
void config_generate_local_ipv6_subnet(struct in6_addr *interface_ip);
in_addr_t config_select_ipv4_address(const struct in_addr *ip, int16_t prefixlen);
int ipv6_prefix_equal(struct in6_addr *a1, struct in6_addr *a2);
typedef int (*addr_free_func)(in_addr_t addr);
#endif /* __CONFIG_H__ */
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