diff options
Diffstat (limited to 'i386/i386at/gpl/linux/include/linux/if.h')
| -rw-r--r-- | i386/i386at/gpl/linux/include/linux/if.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/i386/i386at/gpl/linux/include/linux/if.h b/i386/i386at/gpl/linux/include/linux/if.h new file mode 100644 index 00000000..73ef7feb --- /dev/null +++ b/i386/i386at/gpl/linux/include/linux/if.h @@ -0,0 +1,167 @@ +/* + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * Global definitions for the INET interface module. + * + * Version: @(#)if.h 1.0.2 04/18/93 + * + * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1982-1988 + * Ross Biro, <bir7@leland.Stanford.Edu> + * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _LINUX_IF_H +#define _LINUX_IF_H + +#include <linux/types.h> /* for "caddr_t" et al */ +#include <linux/socket.h> /* for "struct sockaddr" et al */ + +/* Standard interface flags. */ +#define LINUX_IFF_UP 0x1 /* interface is up */ +#define LINUX_IFF_BROADCAST 0x2 /* broadcast address valid */ +#define LINUX_IFF_DEBUG 0x4 /* turn on debugging */ +#define LINUX_IFF_LOOPBACK 0x8 /* is a loopback net */ +#define LINUX_IFF_POINTOPOINT 0x10 /* interface is has p-p link */ +#define LINUX_IFF_NOTRAILERS 0x20 /* avoid use of trailers */ +#define LINUX_IFF_RUNNING 0x40 /* resources allocated */ +#define LINUX_IFF_NOARP 0x80 /* no ARP protocol */ +#define LINUX_IFF_PROMISC 0x100 /* receive all packets */ +/* Not supported */ +#define LINUX_IFF_ALLMULTI 0x200 /* receive all multicast packets*/ + +#define LINUX_IFF_MASTER 0x400 /* master of a load balancer */ +#define LINUX_IFF_SLAVE 0x800 /* slave of a load balancer */ + +#define LINUX_IFF_MULTICAST 0x1000 /* Supports multicast */ + +#ifdef MACH +#ifndef MACH_INCLUDE +#define IFF_UP LINUX_IFF_UP +#define IFF_BROADCAST LINUX_IFF_BROADCAST +#define IFF_DEBUG LINUX_IFF_DEBUG +#define IFF_LOOPBACK LINUX_IFF_LOOPBACK +#define IFF_POINTOPOINT LINUX_IFF_POINTOPOINT +#define IFF_NOTRAILERS LINUX_IFF_NOTRAILERS +#define IFF_RUNNING LINUX_IFF_RUNNING +#define IFF_NOARP LINUX_IFF_NOARP +#define IFF_PROMISC LINUX_IFF_PROMISC +#define IFF_ALLMULTI LINUX_IFF_ALLMULTI +#define IFF_MASTER LINUX_IFF_MASTER +#define IFF_SLAVE LINUX_IFF_SLAVE +#define IFF_MULTICAST LINUX_IFF_MULTICAST +#endif +#endif + +/* + * The ifaddr structure contains information about one address + * of an interface. They are maintained by the different address + * families, are allocated and attached when an address is set, + * and are linked together so all addresses for an interface can + * be located. + */ + +struct ifaddr +{ + struct sockaddr ifa_addr; /* address of interface */ + union { + struct sockaddr ifu_broadaddr; + struct sockaddr ifu_dstaddr; + } ifa_ifu; + struct iface *ifa_ifp; /* back-pointer to interface */ + struct ifaddr *ifa_next; /* next address for interface */ +}; + +#define ifa_broadaddr ifa_ifu.ifu_broadaddr /* broadcast address */ +#define ifa_dstaddr ifa_ifu.ifu_dstaddr /* other end of link */ + +/* + * Device mapping structure. I'd just gone off and designed a + * beautiful scheme using only loadable modules with arguments + * for driver options and along come the PCMCIA people 8) + * + * Ah well. The get() side of this is good for WDSETUP, and it'll + * be handy for debugging things. The set side is fine for now and + * being very small might be worth keeping for clean configuration. + */ + +struct ifmap +{ + unsigned long mem_start; + unsigned long mem_end; + unsigned short base_addr; + unsigned char irq; + unsigned char dma; + unsigned char port; + /* 3 bytes spare */ +}; + +/* + * Interface request structure used for socket + * ioctl's. All interface ioctl's must have parameter + * definitions which begin with ifr_name. The + * remainder may be interface specific. + */ + +struct ifreq +{ +#define IFHWADDRLEN 6 +#define IFNAMSIZ 16 + union + { + char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ + } ifr_ifrn; + + union { + struct sockaddr ifru_addr; + struct sockaddr ifru_dstaddr; + struct sockaddr ifru_broadaddr; + struct sockaddr ifru_netmask; + struct sockaddr ifru_hwaddr; + short ifru_flags; + int ifru_metric; + int ifru_mtu; + struct ifmap ifru_map; + char ifru_slave[IFNAMSIZ]; /* Just fits the size */ + caddr_t ifru_data; + } ifr_ifru; +}; + +#define ifr_name ifr_ifrn.ifrn_name /* interface name */ +#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ +#define ifr_addr ifr_ifru.ifru_addr /* address */ +#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */ +#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ +#define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ +#define ifr_flags ifr_ifru.ifru_flags /* flags */ +#define ifr_metric ifr_ifru.ifru_metric /* metric */ +#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ +#define ifr_map ifr_ifru.ifru_map /* device map */ +#define ifr_slave ifr_ifru.ifru_slave /* slave device */ +#define ifr_data ifr_ifru.ifru_data /* for use by interface */ + +/* + * Structure used in SIOCGIFCONF request. + * Used to retrieve interface configuration + * for machine (useful for programs which + * must know all networks accessible). + */ + +struct ifconf +{ + int ifc_len; /* size of buffer */ + union + { + caddr_t ifcu_buf; + struct ifreq *ifcu_req; + } ifc_ifcu; +}; +#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ +#define ifc_req ifc_ifcu.ifcu_req /* array of structures */ + +#endif /* _LINUX_IF_H */ |