| 0,0 → 1,58 |
|---|
| /*!\file net/if_tun.h |
| * Interface tunneling. |
| */ |
| |
| /* $NetBSD: if_tun.h,v 1.6 1996/06/25 22:15:18 pk Exp $ */ |
| |
| /* |
| * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk> |
| * Nottingham University 1987. |
| * |
| * This source may be freely distributed, however I would be interested |
| * in any changes that are made. |
| * |
| * This driver takes packets off the IP i/f and hands them up to a |
| * user process to have it's wicked way with. This driver has it's |
| * roots in a similar driver written by Phil Cockcroft (formerly) at |
| * UCL. This driver is based much more on read/write/select mode of |
| * operation though. |
| * |
| * : $Header: if_tnreg.h,v 1.1.2.1 1992/07/16 22:39:16 friedl Exp |
| */ |
| |
| #ifndef __NET_IF_TUN_H |
| #define __NET_IF_TUN_H |
| |
| struct tun_softc { |
| u_short tun_flags; /* misc flags */ |
| #define TUN_OPEN 0x0001 |
| #define TUN_INITED 0x0002 |
| #define TUN_RCOLL 0x0004 |
| #define TUN_IASET 0x0008 |
| #define TUN_DSTADDR 0x0010 |
| #define TUN_RWAIT 0x0040 |
| #define TUN_ASYNC 0x0080 |
| #define TUN_NBIO 0x0100 |
| #define TUN_PREPADDR 0x0200 |
| |
| #define TUN_READY (TUN_OPEN | TUN_INITED | TUN_IASET) |
| |
| struct ifnet tun_if; /* the interface */ |
| int tun_pgrp; /* the process group - if any */ |
| struct selinfo tun_rsel; /* read select */ |
| struct selinfo tun_wsel; /* write select (not used) */ |
| #if NBPFILTER > 0 |
| caddr_t tun_bpf; |
| #endif |
| }; |
| |
| /* Maximum packet size */ |
| #define TUNMTU 1500 |
| |
| /* ioctl's for get/set debug */ |
| #define TUNSDEBUG _IOW('t', 90, int) |
| #define TUNGDEBUG _IOR('t', 89, int) |
| #define TUNSIFMODE _IOW('t', 88, int) |
| #define TUNSLMODE _IOW('t', 87, int) |
| |
| #endif |