1#pragma once
2
3#ifdef __cplusplus
4extern "C" {
5#endif
6
7#include <features.h>
8
9#define IF_NAMESIZE 16
10
11struct if_nameindex {
12    unsigned int if_index;
13    char* if_name;
14};
15
16unsigned int if_nametoindex(const char*);
17char* if_indextoname(unsigned int, char*);
18struct if_nameindex* if_nameindex(void);
19void if_freenameindex(struct if_nameindex*);
20
21#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
22
23#include <sys/socket.h>
24
25#define IFF_UP 0x1
26#define IFF_BROADCAST 0x2
27#define IFF_DEBUG 0x4
28#define IFF_LOOPBACK 0x8
29#define IFF_POINTOPOINT 0x10
30#define IFF_NOTRAILERS 0x20
31#define IFF_RUNNING 0x40
32#define IFF_NOARP 0x80
33#define IFF_PROMISC 0x100
34#define IFF_ALLMULTI 0x200
35#define IFF_MASTER 0x400
36#define IFF_SLAVE 0x800
37#define IFF_MULTICAST 0x1000
38#define IFF_PORTSEL 0x2000
39#define IFF_AUTOMEDIA 0x4000
40#define IFF_DYNAMIC 0x8000
41#define IFF_LOWER_UP 0x10000
42#define IFF_DORMANT 0x20000
43#define IFF_ECHO 0x40000
44#define IFF_VOLATILE                                                                      \
45    (IFF_LOOPBACK | IFF_POINTOPOINT | IFF_BROADCAST | IFF_ECHO | IFF_MASTER | IFF_SLAVE | \
46     IFF_RUNNING | IFF_LOWER_UP | IFF_DORMANT)
47
48struct ifaddr {
49    struct sockaddr ifa_addr;
50    union {
51        struct sockaddr ifu_broadaddr;
52        struct sockaddr ifu_dstaddr;
53    } ifa_ifu;
54    struct iface* ifa_ifp;
55    struct ifaddr* ifa_next;
56};
57
58#define ifa_broadaddr ifa_ifu.ifu_broadaddr
59#define ifa_dstaddr ifa_ifu.ifu_dstaddr
60
61struct ifmap {
62    unsigned long int mem_start;
63    unsigned long int mem_end;
64    unsigned short int base_addr;
65    unsigned char irq;
66    unsigned char dma;
67    unsigned char port;
68};
69
70#define IFHWADDRLEN 6
71#define IFNAMSIZ IF_NAMESIZE
72
73struct ifreq {
74    union {
75        char ifrn_name[IFNAMSIZ];
76    } ifr_ifrn;
77    union {
78        struct sockaddr ifru_addr;
79        struct sockaddr ifru_dstaddr;
80        struct sockaddr ifru_broadaddr;
81        struct sockaddr ifru_netmask;
82        struct sockaddr ifru_hwaddr;
83        short int ifru_flags;
84        int ifru_ivalue;
85        int ifru_mtu;
86        struct ifmap ifru_map;
87        char ifru_slave[IFNAMSIZ];
88        char ifru_newname[IFNAMSIZ];
89        void* ifru_data;
90    } ifr_ifru;
91};
92
93#define ifr_name ifr_ifrn.ifrn_name
94#define ifr_hwaddr ifr_ifru.ifru_hwaddr
95#define ifr_addr ifr_ifru.ifru_addr
96#define ifr_dstaddr ifr_ifru.ifru_dstaddr
97#define ifr_broadaddr ifr_ifru.ifru_broadaddr
98#define ifr_netmask ifr_ifru.ifru_netmask
99#define ifr_flags ifr_ifru.ifru_flags
100#define ifr_metric ifr_ifru.ifru_ivalue
101#define ifr_mtu ifr_ifru.ifru_mtu
102#define ifr_map ifr_ifru.ifru_map
103#define ifr_slave ifr_ifru.ifru_slave
104#define ifr_data ifr_ifru.ifru_data
105#define ifr_ifindex ifr_ifru.ifru_ivalue
106#define ifr_bandwidth ifr_ifru.ifru_ivalue
107#define ifr_qlen ifr_ifru.ifru_ivalue
108#define ifr_newname ifr_ifru.ifru_newname
109#define _IOT_ifreq _IOT(_IOTS(char), IFNAMSIZ, _IOTS(char), 16, 0, 0)
110#define _IOT_ifreq_short _IOT(_IOTS(char), IFNAMSIZ, _IOTS(short), 1, 0, 0)
111#define _IOT_ifreq_int _IOT(_IOTS(char), IFNAMSIZ, _IOTS(int), 1, 0, 0)
112
113struct ifconf {
114    int ifc_len;
115    union {
116        void* ifcu_buf;
117        struct ifreq* ifcu_req;
118    } ifc_ifcu;
119};
120
121#define ifc_buf ifc_ifcu.ifcu_buf
122#define ifc_req ifc_ifcu.ifcu_req
123#define _IOT_ifconf _IOT(_IOTS(struct ifconf), 1, 0, 0, 0, 0)
124
125#endif
126
127#ifdef __cplusplus
128}
129#endif
130