1 /*
2  * Copyright 2008, The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef _NETUTILS_IFC_H_
18 #define _NETUTILS_IFC_H_
19 
20 #include <sys/cdefs.h>
21 #include <arpa/inet.h>
22 
23 __BEGIN_DECLS
24 
25 extern int ifc_init(void);
26 extern void ifc_close(void);
27 
28 extern int ifc_get_ifindex(const char *name, int *if_indexp);
29 extern int ifc_get_hwaddr(const char *name, void *ptr);
30 
31 extern int ifc_up(const char *name);
32 extern int ifc_down(const char *name);
33 
34 extern int ifc_enable(const char *ifname);
35 extern int ifc_disable(const char *ifname);
36 
37 #define RESET_IPV4_ADDRESSES 0x01
38 #define RESET_IPV6_ADDRESSES 0x02
39 #define RESET_IGNORE_INTERFACE_ADDRESS 0x04
40 #define RESET_ALL_ADDRESSES  (RESET_IPV4_ADDRESSES | RESET_IPV6_ADDRESSES)
41 extern int ifc_reset_connections(const char *ifname, const int reset_mask);
42 
43 extern int ifc_get_addr(const char *name, in_addr_t *addr);
44 extern int ifc_set_addr(const char *name, in_addr_t addr);
45 extern int ifc_add_address(const char *name, const char *address,
46                            int prefixlen);
47 extern int ifc_del_address(const char *name, const char *address,
48                            int prefixlen);
49 extern int ifc_set_prefixLength(const char *name, int prefixLength);
50 extern int ifc_set_hwaddr(const char *name, const void *ptr);
51 extern int ifc_clear_addresses(const char *name);
52 
53 extern int ifc_create_default_route(const char *name, in_addr_t addr);
54 extern int ifc_remove_default_route(const char *ifname);
55 extern int ifc_get_info(const char *name, in_addr_t *addr, int *prefixLength,
56                         unsigned *flags);
57 
58 extern int ifc_configure(const char *ifname, in_addr_t address,
59                          uint32_t prefixLength, in_addr_t gateway,
60                          in_addr_t dns1, in_addr_t dns2);
61 
62 extern in_addr_t prefixLengthToIpv4Netmask(int prefix_length);
63 
64 __END_DECLS
65 
66 #endif /* _NETUTILS_IFC_H_ */
67