freebsd-src/sys/net/if_tun.h
Andrey A. Chernov f7163ba751 Make user-level PPP on-demand with dynamic IP actually work.
Story so fr:
1) PPP on-demand with static IP works.
2) PPP on-demand with dynamic IP says "Host is down" on any IP request
The problem is that tun driver check its READY state by *first* ifconfig address.
i.e.:
set ifaddr <addr> <addr2>
works (static IP) and
set ifaddr 0 <addr2>
not works (dynamic IP) because first address is equal 0.
Since tun is always POINTOPOINT interface, dst address is more meaningfull.
I change checking to second (dst) address in READY test.
PPP on-demand finally works.
1996-03-08 11:07:07 +00:00

58 lines
1.6 KiB
C

/* $NetBSD: if_tun.h,v 1.5 1994/06/29 06:36:27 cgd 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_READY (TUN_OPEN | TUN_INITED | TUN_DSTADDR)
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) */
};
/* Maximum packet size */
#define TUNMTU 1500
struct tuninfo {
int baudrate; /* linespeed */
short mtu; /* maximum transmission unit */
u_char type; /* ethernet, tokenring, etc. */
u_char dummy; /* place holder */
};
/* ioctl's for get/set debug */
#define TUNSDEBUG _IOW('t', 90, int)
#define TUNGDEBUG _IOR('t', 89, int)
#define TUNSIFINFO _IOW('t', 91, struct tuninfo)
#define TUNGIFINFO _IOR('t', 92, struct tuninfo)
#endif /* !_NET_IF_TUN_H_ */