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      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