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 <arpa/inet.h>
21 #include <stdbool.h>
22 #include <sys/cdefs.h>
23 
24 __BEGIN_DECLS
25 
26 extern int ifc_init(void);
27 extern void ifc_close(void);
28 
29 extern int ifc_get_ifindex(const char *name, int *if_indexp);
30 extern int ifc_get_hwaddr(const char *name, void *ptr);
31 
32 extern int ifc_up(const char *name);
33 extern int ifc_down(const char *name);
34 
35 extern int ifc_enable(const char *ifname);
36 extern int ifc_disable(const char *ifname);
37 
38 #define RESET_IPV4_ADDRESSES 0x01
39 #define RESET_IPV6_ADDRESSES 0x02
40 #define RESET_IGNORE_INTERFACE_ADDRESS 0x04
41 #define RESET_ALL_ADDRESSES  (RESET_IPV4_ADDRESSES | RESET_IPV6_ADDRESSES)
42 extern int ifc_reset_connections(const char *ifname, const int reset_mask);
43 
44 extern int ifc_get_addr(const char *name, in_addr_t *addr);
45 extern int ifc_set_addr(const char *name, in_addr_t addr);
46 extern int ifc_act_on_address(int action, const char* name, const char* address, int prefixlen,
47                               bool nodad);
48 extern int ifc_add_address(const char *name, const char *address,
49                            int prefixlen);
50 extern int ifc_del_address(const char *name, const char *address,
51                            int prefixlen);
52 extern int ifc_set_prefixLength(const char *name, int prefixLength);
53 extern int ifc_set_hwaddr(const char *name, const void *ptr);
54 extern int ifc_clear_addresses(const char *name);
55 
56 extern int ifc_create_default_route(const char *name, in_addr_t addr);
57 extern int ifc_remove_default_route(const char *ifname);
58 extern int ifc_get_info(const char *name, in_addr_t *addr, int *prefixLength,
59                         unsigned *flags);
60 
61 extern int ifc_configure(const char *ifname, in_addr_t address,
62                          uint32_t prefixLength, in_addr_t gateway,
63                          in_addr_t dns1, in_addr_t dns2);
64 
65 extern in_addr_t prefixLengthToIpv4Netmask(int prefix_length);
66 
67 __END_DECLS
68 
69 #endif /* _NETUTILS_IFC_H_ */
70