124 lines
4.1 KiB
C
124 lines
4.1 KiB
C
/* cygwin/if.h
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _CYGWIN_IF_H_
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#define _CYGWIN_IF_H_
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include <sys/types.h>
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#include <cygwin/socket.h>
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/* Standard interface flags. */
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#define IFF_UP 0x1 /* interface is up */
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#define IFF_BROADCAST 0x2 /* broadcast address valid */
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#define IFF_LOOPBACK 0x8 /* is a loopback net */
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#define IFF_POINTOPOINT 0x10 /* is a point-to-point interface */
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#define IFF_NOTRAILERS 0x20 /* avoid use of trailers */
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#define IFF_RUNNING 0x40 /* resources allocated */
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#define IFF_NOARP 0x80 /* no ARP protocol */
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#define IFF_PROMISC 0x100 /* receive all packets */
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#define IFF_MULTICAST 0x1000 /* Supports multicast */
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#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
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#define IFF_DORMANT 0x20000 /* driver signals dormant */
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struct if_nameindex {
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unsigned if_index;
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char *if_name;
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};
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/* This is the structure expected by ioctl when the application requests
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the friendly adapter name. ifru_data should point to such a structure
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when ioctl is called with SIOCGIFFRNDLYNAM. */
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#define IFRF_FRIENDLYNAMESIZ 260
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struct ifreq_frndlyname {
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int ifrf_len;
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char ifrf_friendlyname[IFRF_FRIENDLYNAMESIZ];
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};
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/*
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* Interface request structure used for socket
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* ioctl's. All interface ioctl's must have parameter
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* definitions which begin with ifr_name. The
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* remainder may be interface specific.
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*/
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#define IFNAMSIZ 44
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#define IF_NAMESIZE IFNAMSIZ
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#define IFHWADDRLEN 6
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struct ifreq {
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union {
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char ifrn_name[IFNAMSIZ]; /* Unique Windows Adapter name (A GUID) */
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} ifr_ifrn;
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union {
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struct sockaddr ifru_addr;
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struct sockaddr ifru_broadaddr;
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struct sockaddr ifru_dstaddr;
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struct sockaddr ifru_netmask;
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struct sockaddr ifru_hwaddr;
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int ifru_flags;
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int ifru_metric;
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int ifru_mtu;
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int ifru_ifindex;
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/* The space must be preallocated by the application. */
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void *ifru_data;
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/* Pad to sizeof sockaddr_in6 for further extensions. */
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char __ifru_pad[28];
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} ifr_ifru;
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};
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#define ifr_name ifr_ifrn.ifrn_name /* interface name */
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#define ifr_addr ifr_ifru.ifru_addr /* address */
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#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
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#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* destination address */
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#define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
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#define ifr_flags ifr_ifru.ifru_flags /* flags */
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#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
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#define ifr_metric ifr_ifru.ifru_metric /* metric */
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#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
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#define ifr_ifindex ifr_ifru.ifru_ifindex /* interface index */
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#define ifr_data ifr_ifru.ifru_data /* for use by interface */
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#define ifr_frndlyname ifr_ifru.ifru_data /* Windows friendly if name */
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/*
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* Structure used in SIOCGIFCONF request.
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* Used to retrieve interface configuration
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* for machine (useful for programs which
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* must know all networks accessible).
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*/
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struct ifconf
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{
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int ifc_len; /* size of buffer */
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union
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{
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caddr_t ifcu_buf;
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struct ifreq *ifcu_req;
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} ifc_ifcu;
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};
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#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
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#define ifc_req ifc_ifcu.ifcu_req /* array of structures */
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#ifndef __INSIDE_CYGWIN_NET__
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extern unsigned if_nametoindex (const char *);
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extern char *if_indextoname (unsigned, char *);
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extern struct if_nameindex *if_nameindex (void);
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extern void if_freenameindex (struct if_nameindex *);
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#endif
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#ifdef __cplusplus
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};
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#endif /* __cplusplus */
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#endif /* _CYGWIN_IF_H_ */
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