50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/*
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* Copyright 2011 Daniel Drown
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* config.h - configuration settings
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*/
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#ifndef __CONFIG_H__
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#define __CONFIG_H__
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#include <netinet/in.h>
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#include <linux/if.h>
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#define DEFAULT_IPV4_LOCAL_SUBNET "192.0.0.4"
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#define DEFAULT_IPV4_LOCAL_PREFIXLEN "29"
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#define DEFAULT_DNS64_DETECTION_HOSTNAME "ipv4only.arpa"
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struct clat_config {
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int16_t mtu, ipv4mtu;
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struct in6_addr ipv6_local_subnet;
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struct in6_addr ipv6_host_id;
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struct in_addr ipv4_local_subnet;
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int16_t ipv4_local_prefixlen;
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struct in6_addr plat_subnet;
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char *default_pdp_interface;
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char *plat_from_dns64_hostname;
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int use_dynamic_iid;
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};
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extern struct clat_config Global_Clatd_Config;
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int read_config(const char *file, const char *uplink_interface, const char *plat_prefix,
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unsigned net_id);
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void config_generate_local_ipv6_subnet(struct in6_addr *interface_ip);
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in_addr_t config_select_ipv4_address(const struct in_addr *ip, int16_t prefixlen);
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int ipv6_prefix_equal(struct in6_addr *a1, struct in6_addr *a2);
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typedef int (*addr_free_func)(in_addr_t addr);
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#endif /* __CONFIG_H__ */
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