1996-01-09 04:13:18 +00:00
|
|
|
/* $Id$
|
1997-02-03 23:15:07 +00:00
|
|
|
|
1996-01-09 04:13:18 +00:00
|
|
|
* Linux ISDN subsystem, network interfaces and related functions (linklevel).
|
|
|
|
*
|
1996-01-22 05:05:12 +00:00
|
|
|
* Copyright 1994,95,96 by Fritz Elfert (fritz@wuemaus.franken.de)
|
|
|
|
* Copyright 1995,96 by Thinking Objects Software GmbH Wuerzburg
|
|
|
|
* Copyright 1995,96 by Michael Hipp (Michael.Hipp@student.uni-tuebingen.de)
|
1997-02-03 23:15:07 +00:00
|
|
|
*
|
1996-01-09 04:13:18 +00:00
|
|
|
* 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, or (at your option)
|
|
|
|
* any later version.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program; if not, write to the Free Software
|
1997-02-03 23:15:07 +00:00
|
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
1996-01-09 04:13:18 +00:00
|
|
|
*
|
|
|
|
* $Log$
|
1997-02-03 23:15:07 +00:00
|
|
|
* Revision 1.33 1997/01/17 01:19:25 fritz
|
|
|
|
* Applied chargeint patch.
|
|
|
|
*
|
1997-01-17 01:19:30 +00:00
|
|
|
* Revision 1.32 1997/01/14 01:29:31 fritz
|
|
|
|
* Bugfix: isdn_net_hangup() did not reset ISDN_NET_CONNECTED.
|
|
|
|
*
|
1997-01-14 01:29:31 +00:00
|
|
|
* Revision 1.31 1997/01/11 23:30:42 fritz
|
|
|
|
* Speed up dial statemachine.
|
|
|
|
*
|
1997-01-11 23:30:42 +00:00
|
|
|
* Revision 1.30 1996/11/25 17:20:50 hipp
|
|
|
|
* fixed pppbind bug in isdn_net_find_icall()
|
|
|
|
*
|
1996-11-25 17:20:50 +00:00
|
|
|
* Revision 1.29 1996/11/13 02:31:38 fritz
|
|
|
|
* Minor cleanup.
|
|
|
|
*
|
1996-11-13 02:31:38 +00:00
|
|
|
* Revision 1.28 1996/10/27 20:49:06 keil
|
|
|
|
* bugfix to compile without MPP
|
|
|
|
*
|
1996-10-27 20:49:06 +00:00
|
|
|
* Revision 1.27 1996/10/25 18:46:01 fritz
|
|
|
|
* Another bugfix in isdn_net_autohup()
|
|
|
|
*
|
1996-10-25 18:46:01 +00:00
|
|
|
* Revision 1.26 1996/10/23 23:05:36 fritz
|
|
|
|
* Bugfix: Divide by zero in isdn_net_autohup()
|
|
|
|
*
|
1996-10-23 23:05:36 +00:00
|
|
|
* Revision 1.25 1996/10/22 23:13:58 fritz
|
|
|
|
* Changes for compatibility to 2.0.X and 2.1.X kernels.
|
|
|
|
*
|
1996-10-22 23:14:19 +00:00
|
|
|
* Revision 1.24 1996/10/11 13:57:40 fritz
|
|
|
|
* Bugfix: Error in BogoCPS calculation.
|
|
|
|
*
|
1996-10-11 13:57:40 +00:00
|
|
|
* Revision 1.23 1996/09/23 01:58:08 fritz
|
|
|
|
* Fix: With syncPPP encapsulation, discard LCP packets
|
|
|
|
* when calculating hangup timeout.
|
|
|
|
*
|
1996-09-23 01:58:11 +00:00
|
|
|
* Revision 1.22 1996/09/23 00:03:37 fritz
|
|
|
|
* Fix: did not compile without CONFIG_ISDN_PPP
|
|
|
|
*
|
|
|
|
* Revision 1.21 1996/09/07 12:44:50 hipp
|
|
|
|
* (hopefully) fixed callback problem with syncPPP
|
|
|
|
* syncPPP network devices now show PPP link encap
|
|
|
|
*
|
1996-09-07 12:44:50 +00:00
|
|
|
* Revision 1.20 1996/08/29 20:06:03 fritz
|
|
|
|
* Bugfix: Transmission timeout had been much to low.
|
|
|
|
*
|
1996-08-29 20:06:03 +00:00
|
|
|
* Revision 1.19 1996/08/12 16:24:32 hipp
|
|
|
|
* removed some (now) obsolete functions for syncPPP in rebuild_header etc.
|
|
|
|
*
|
1996-08-12 16:24:32 +00:00
|
|
|
* Revision 1.18 1996/07/03 13:48:51 hipp
|
|
|
|
* bugfix: Call dev_purge_queues() only for master device
|
|
|
|
*
|
1996-07-03 13:48:51 +00:00
|
|
|
* Revision 1.17 1996/06/25 18:37:37 fritz
|
|
|
|
* Fixed return count for empty return string in isdn_net_getphones().
|
|
|
|
*
|
1996-06-25 18:37:37 +00:00
|
|
|
* Revision 1.16 1996/06/24 17:48:08 fritz
|
|
|
|
* Bugfixes:
|
|
|
|
* - Did not free channel on unbinding.
|
|
|
|
* - ioctl returned wrong callback settings.
|
|
|
|
*
|
1996-06-24 17:48:08 +00:00
|
|
|
* Revision 1.15 1996/06/16 17:42:54 tsbogend
|
|
|
|
* fixed problem with IP addresses on Linux/Alpha (long is 8 byte there)
|
|
|
|
*
|
1996-06-16 17:42:54 +00:00
|
|
|
* Revision 1.14 1996/06/11 14:54:08 hipp
|
|
|
|
* minor bugfix in isdn_net_send_skb
|
|
|
|
* changes in BSENT callback handler for syncPPP
|
|
|
|
* added lp->sav_skb stuff
|
|
|
|
*
|
1996-06-11 14:54:08 +00:00
|
|
|
* Revision 1.13 1996/06/06 14:25:44 fritz
|
|
|
|
* Changed loglevel of "incoming ... without OAD" message, since
|
|
|
|
* with audio support this is quite normal.
|
|
|
|
*
|
1996-06-06 14:25:44 +00:00
|
|
|
* Revision 1.12 1996/06/05 02:36:45 fritz
|
|
|
|
* Minor bugfixes by M. Hipp.
|
|
|
|
*
|
1996-06-05 02:36:45 +00:00
|
|
|
* Revision 1.11 1996/05/18 01:36:59 fritz
|
|
|
|
* Added spelling corrections and some minor changes
|
|
|
|
* to stay in sync with kernel.
|
|
|
|
*
|
1996-05-18 01:37:19 +00:00
|
|
|
* Revision 1.10 1996/05/17 03:49:01 fritz
|
|
|
|
* Some cleanup.
|
|
|
|
*
|
1996-05-17 03:49:01 +00:00
|
|
|
* Revision 1.9 1996/05/06 11:34:57 hipp
|
|
|
|
* fixed a few bugs
|
|
|
|
*
|
1996-05-06 11:34:57 +00:00
|
|
|
* Revision 1.8 1996/04/30 21:04:40 fritz
|
|
|
|
* Test commit
|
|
|
|
*
|
1996-04-30 21:05:27 +00:00
|
|
|
* Revision 1.7 1996/04/30 11:10:42 fritz
|
|
|
|
* Added Michael's ippp-bind patch.
|
|
|
|
*
|
1996-04-30 11:10:42 +00:00
|
|
|
* Revision 1.6 1996/04/30 09:34:35 fritz
|
|
|
|
* Removed compatibility-macros.
|
|
|
|
*
|
1996-04-30 09:34:35 +00:00
|
|
|
* Revision 1.5 1996/04/20 16:28:38 fritz
|
|
|
|
* Made more parameters of the dial statemachine user-configurable and
|
|
|
|
* added hangup after dial for more reliability using callback.
|
|
|
|
* Changed all io going through generic routines in isdn_common.c
|
|
|
|
* Added missing call to dev_free_skb on failed dialing.
|
|
|
|
* Added uihdlc encapsulation.
|
|
|
|
* Fixed isdn_net_setcfg not to destroy interface-flags anymore.
|
|
|
|
* Misc. typos.
|
|
|
|
*
|
1996-04-20 16:28:38 +00:00
|
|
|
* Revision 1.4 1996/02/19 15:23:38 fritz
|
|
|
|
* Bugfix: Sync-PPP packets got compressed twice, when resent due to
|
|
|
|
* send-queue-full reject.
|
|
|
|
*
|
1996-02-19 15:23:38 +00:00
|
|
|
* Revision 1.3 1996/02/11 02:22:28 fritz
|
|
|
|
* Changed status- receive-callbacks to use pointer-arrays for finding
|
|
|
|
* a corresponding interface instead of looping over all interfaces.
|
|
|
|
* Activate Auto-hangup-timer only when interface is online.
|
|
|
|
* Some bugfixes in the dialing-statemachine.
|
|
|
|
* Lot of bugfixes in sk_buff'ized encapsulation handling.
|
|
|
|
* For speedup connection-setup after dialing, remember sk_buf that triggered
|
|
|
|
* dialing.
|
|
|
|
* Fixed isdn_net_log_packet according to different encapsulations.
|
|
|
|
* Correct ARP-handling for ETHERNET-encapsulation.
|
|
|
|
*
|
1996-02-11 02:22:28 +00:00
|
|
|
* Revision 1.2 1996/01/22 05:05:12 fritz
|
1996-05-18 01:37:19 +00:00
|
|
|
* Changed returncode-logic for isdn_net_start_xmit() and its
|
1996-02-11 02:22:28 +00:00
|
|
|
* helper-functions.
|
|
|
|
* Changed handling of buildheader for RAWIP and ETHERNET-encapsulation.
|
|
|
|
*
|
1996-01-22 05:05:12 +00:00
|
|
|
* Revision 1.1 1996/01/09 04:12:34 fritz
|
|
|
|
* Initial revision
|
|
|
|
*
|
1996-01-09 04:13:18 +00:00
|
|
|
*/
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
#include <linux/config.h>
|
|
|
|
#define __NO_VERSION__
|
|
|
|
#include <linux/module.h>
|
1996-01-09 04:13:18 +00:00
|
|
|
#include <linux/isdn.h>
|
1996-01-22 05:05:12 +00:00
|
|
|
#include <linux/if_arp.h>
|
1997-02-03 23:15:07 +00:00
|
|
|
#include <net/arp.h>
|
1996-01-09 04:13:18 +00:00
|
|
|
#include "isdn_common.h"
|
|
|
|
#include "isdn_net.h"
|
1996-01-22 05:05:12 +00:00
|
|
|
#ifdef CONFIG_ISDN_PPP
|
|
|
|
#include "isdn_ppp.h"
|
|
|
|
#endif
|
1996-01-09 04:13:18 +00:00
|
|
|
|
|
|
|
/* Prototypes */
|
1996-02-11 02:22:28 +00:00
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
int isdn_net_force_dial_lp(isdn_net_local *);
|
1996-01-09 04:13:18 +00:00
|
|
|
static int isdn_net_wildmat(char *s, char *p);
|
1996-02-11 02:22:28 +00:00
|
|
|
static int isdn_net_start_xmit(struct sk_buff *, struct device *);
|
|
|
|
static int isdn_net_xmit(struct device *, isdn_net_local *, struct sk_buff *);
|
1997-02-03 23:15:07 +00:00
|
|
|
static void dev_purge_queues(struct device *dev); /* move this to net/core/dev.c */
|
1996-05-06 11:34:57 +00:00
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
char *isdn_net_revision = "$Revision$";
|
1996-01-09 04:13:18 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Code for raw-networking over ISDN
|
|
|
|
*/
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
static void
|
|
|
|
isdn_net_reset(struct device *dev)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
ulong flags;
|
|
|
|
|
|
|
|
save_flags(flags);
|
1997-02-03 23:15:07 +00:00
|
|
|
cli(); /* Avoid glitch on writes to CMD regs */
|
1996-01-09 04:13:18 +00:00
|
|
|
dev->interrupt = 0;
|
|
|
|
dev->tbusy = 0;
|
|
|
|
restore_flags(flags);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Open/initialize the board. */
|
1996-01-22 05:05:12 +00:00
|
|
|
static int
|
|
|
|
isdn_net_open(struct device *dev)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
int i;
|
|
|
|
struct device *p;
|
|
|
|
|
|
|
|
isdn_net_reset(dev);
|
|
|
|
dev->start = 1;
|
|
|
|
/* Fill in the MAC-level header. */
|
1996-06-16 17:42:54 +00:00
|
|
|
for (i = 0; i < ETH_ALEN - sizeof(u32); i++)
|
1996-01-09 04:13:18 +00:00
|
|
|
dev->dev_addr[i] = 0xfc;
|
1996-06-16 17:42:54 +00:00
|
|
|
memcpy(&(dev->dev_addr[i]), &dev->pa_addr, sizeof(u32));
|
1996-02-11 02:22:28 +00:00
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
/* If this interface has slaves, start them also */
|
1996-02-11 02:22:28 +00:00
|
|
|
|
1996-01-09 04:13:18 +00:00
|
|
|
if ((p = (((isdn_net_local *) dev->priv)->slave))) {
|
|
|
|
while (p) {
|
|
|
|
isdn_net_reset(p);
|
|
|
|
p->start = 1;
|
|
|
|
p = (((isdn_net_local *) p->priv)->slave);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
isdn_MOD_INC_USE_COUNT();
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Assign an ISDN-channel to a net-interface
|
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
static void
|
|
|
|
isdn_net_bind_channel(isdn_net_local * lp, int idx)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
1997-02-03 23:15:07 +00:00
|
|
|
ulong flags;
|
1996-02-11 02:22:28 +00:00
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
save_flags(flags);
|
|
|
|
cli();
|
1996-01-09 04:13:18 +00:00
|
|
|
lp->isdn_device = dev->drvmap[idx];
|
|
|
|
lp->isdn_channel = dev->chanmap[idx];
|
1997-02-03 23:15:07 +00:00
|
|
|
dev->rx_netdev[idx] = lp->netdev;
|
|
|
|
dev->st_netdev[idx] = lp->netdev;
|
|
|
|
restore_flags(flags);
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
|
1996-05-06 11:34:57 +00:00
|
|
|
/*
|
|
|
|
* unbind a net-interface (resets interface after an error)
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
isdn_net_unbind_channel(isdn_net_local * lp)
|
|
|
|
{
|
|
|
|
ulong flags;
|
|
|
|
|
|
|
|
save_flags(flags);
|
|
|
|
cli();
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->first_skb) {
|
|
|
|
dev_kfree_skb(lp->first_skb, FREE_WRITE);
|
|
|
|
lp->first_skb = NULL;
|
|
|
|
}
|
|
|
|
if (lp->sav_skb) {
|
|
|
|
dev_kfree_skb(lp->sav_skb, FREE_WRITE);
|
1996-06-11 14:54:08 +00:00
|
|
|
lp->sav_skb = NULL;
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
if (!lp->master) /* purge only for master device */
|
1996-07-03 13:48:51 +00:00
|
|
|
dev_purge_queues(&lp->netdev->dev);
|
1996-05-06 11:34:57 +00:00
|
|
|
lp->dialstate = 0;
|
1997-02-03 23:15:07 +00:00
|
|
|
dev->rx_netdev[isdn_dc2minor(lp->isdn_device, lp->isdn_channel)] = NULL;
|
|
|
|
dev->st_netdev[isdn_dc2minor(lp->isdn_device, lp->isdn_channel)] = NULL;
|
1996-05-06 11:34:57 +00:00
|
|
|
isdn_free_channel(lp->isdn_device, lp->isdn_channel, ISDN_USAGE_NET);
|
|
|
|
lp->flags &= ~ISDN_NET_CONNECTED;
|
|
|
|
lp->isdn_device = -1;
|
|
|
|
lp->isdn_channel = -1;
|
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
restore_flags(flags);
|
1996-05-06 11:34:57 +00:00
|
|
|
}
|
|
|
|
|
1996-01-09 04:13:18 +00:00
|
|
|
/*
|
|
|
|
* Perform auto-hangup and cps-calculation for net-interfaces.
|
|
|
|
*
|
|
|
|
* auto-hangup:
|
|
|
|
* Increment idle-counter (this counter is reset on any incoming or
|
|
|
|
* outgoing packet), if counter exceeds configured limit either do a
|
|
|
|
* hangup immediately or - if configured - wait until just before the next
|
|
|
|
* charge-info.
|
|
|
|
*
|
|
|
|
* cps-calculation (needed for dynamic channel-bundling):
|
|
|
|
* Since this function is called every second, simply reset the
|
|
|
|
* byte-counter of the interface after copying it to the cps-variable.
|
|
|
|
*/
|
1996-10-11 13:57:40 +00:00
|
|
|
unsigned long last_jiffies = -HZ;
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
void
|
|
|
|
isdn_net_autohup()
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p = dev->netdev;
|
1997-02-03 23:15:07 +00:00
|
|
|
int anymore;
|
1996-01-09 04:13:18 +00:00
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
anymore = 0;
|
1996-01-09 04:13:18 +00:00
|
|
|
while (p) {
|
|
|
|
isdn_net_local *l = (isdn_net_local *) & (p->local);
|
1996-10-23 23:05:36 +00:00
|
|
|
if ((jiffies - last_jiffies) == 0)
|
1997-02-03 23:15:07 +00:00
|
|
|
l->cps = l->transcount;
|
1996-10-23 23:05:36 +00:00
|
|
|
else
|
1997-02-03 23:15:07 +00:00
|
|
|
l->cps = (l->transcount * HZ) / (jiffies - last_jiffies);
|
1996-01-09 04:13:18 +00:00
|
|
|
l->transcount = 0;
|
|
|
|
if (dev->net_verbose > 3)
|
|
|
|
printk(KERN_DEBUG "%s: %d bogocps\n", l->name, l->cps);
|
|
|
|
if ((l->flags & ISDN_NET_CONNECTED) && (!l->dialstate)) {
|
1997-02-03 23:15:07 +00:00
|
|
|
anymore = 1;
|
1996-01-09 04:13:18 +00:00
|
|
|
l->huptimer++;
|
|
|
|
if ((l->onhtime) && (l->huptimer > l->onhtime))
|
1997-01-17 01:19:30 +00:00
|
|
|
if (l->hupflags & ISDN_MANCHARGE &&
|
1997-02-03 23:15:07 +00:00
|
|
|
l->hupflags & ISDN_CHARGEHUP) {
|
1997-01-17 01:19:30 +00:00
|
|
|
while (jiffies - l->chargetime > l->chargeint)
|
|
|
|
l->chargetime += l->chargeint;
|
1997-02-03 23:15:07 +00:00
|
|
|
if (jiffies - l->chargetime >= l->chargeint - 2 * HZ)
|
1997-01-17 01:19:30 +00:00
|
|
|
if (l->outgoing || l->hupflags & ISDN_INHUP)
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_hangup(&p->dev);
|
1997-01-17 01:19:30 +00:00
|
|
|
} else if (l->outgoing) {
|
|
|
|
if (l->hupflags & ISDN_CHARGEHUP) {
|
|
|
|
if (l->hupflags & ISDN_WAITCHARGE) {
|
|
|
|
printk(KERN_DEBUG "isdn_net: Hupflags of %s are %X\n",
|
|
|
|
l->name, l->hupflags);
|
1996-01-09 04:13:18 +00:00
|
|
|
isdn_net_hangup(&p->dev);
|
1997-01-17 01:19:30 +00:00
|
|
|
} else if (jiffies - l->chargetime > l->chargeint) {
|
|
|
|
printk(KERN_DEBUG
|
|
|
|
"isdn_net: %s: chtime = %d, chint = %d\n",
|
|
|
|
l->name, l->chargetime, l->chargeint);
|
1996-01-09 04:13:18 +00:00
|
|
|
isdn_net_hangup(&p->dev);
|
1997-01-17 01:19:30 +00:00
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
} else
|
|
|
|
isdn_net_hangup(&p->dev);
|
1997-01-17 01:19:30 +00:00
|
|
|
} else if (l->hupflags & ISDN_INHUP)
|
1996-01-09 04:13:18 +00:00
|
|
|
isdn_net_hangup(&p->dev);
|
|
|
|
}
|
|
|
|
p = (isdn_net_dev *) p->next;
|
|
|
|
}
|
1996-10-25 18:46:01 +00:00
|
|
|
last_jiffies = jiffies;
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_timer_ctrl(ISDN_TIMER_NETHANGUP, anymore);
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Handle status-messages from ISDN-interfacecard.
|
|
|
|
* This function is called from within the main-status-dispatcher
|
1996-05-18 01:37:19 +00:00
|
|
|
* isdn_status_callback, which itself is called from the low-level driver.
|
1996-02-11 02:22:28 +00:00
|
|
|
* Return: 1 = Event handled, 0 = not for us or unknown Event.
|
1996-01-09 04:13:18 +00:00
|
|
|
*/
|
1996-02-11 02:22:28 +00:00
|
|
|
int
|
|
|
|
isdn_net_stat_callback(int idx, int cmd)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
1996-02-11 02:22:28 +00:00
|
|
|
isdn_net_dev *p = dev->st_netdev[idx];
|
1996-01-09 04:13:18 +00:00
|
|
|
|
1996-02-11 02:22:28 +00:00
|
|
|
if (p) {
|
|
|
|
isdn_net_local *lp = &(p->local);
|
1997-02-03 23:15:07 +00:00
|
|
|
switch (cmd) {
|
1996-01-09 04:13:18 +00:00
|
|
|
case ISDN_STAT_BSENT:
|
|
|
|
/* A packet has successfully been sent out */
|
1996-02-11 02:22:28 +00:00
|
|
|
if ((lp->flags & ISDN_NET_CONNECTED) &&
|
|
|
|
(!lp->dialstate)) {
|
|
|
|
lp->stats.tx_packets++;
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->p_encap == ISDN_NET_ENCAP_SYNCPPP && lp->sav_skb) {
|
1996-06-11 14:54:08 +00:00
|
|
|
struct device *mdev;
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->master)
|
1996-06-11 14:54:08 +00:00
|
|
|
mdev = lp->master;
|
|
|
|
else
|
|
|
|
mdev = &lp->netdev->dev;
|
1997-02-03 23:15:07 +00:00
|
|
|
if (!isdn_net_send_skb(mdev, lp, lp->sav_skb)) {
|
1996-06-11 14:54:08 +00:00
|
|
|
lp->sav_skb = NULL;
|
1996-06-05 02:36:45 +00:00
|
|
|
mark_bh(NET_BH);
|
1997-02-03 23:15:07 +00:00
|
|
|
} else {
|
1996-06-05 02:36:45 +00:00
|
|
|
return 1;
|
1996-06-11 14:54:08 +00:00
|
|
|
}
|
1996-06-05 02:36:45 +00:00
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
if (clear_bit(0, (void *) &(p->dev.tbusy)))
|
|
|
|
mark_bh(NET_BH);
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
1996-02-11 02:22:28 +00:00
|
|
|
return 1;
|
1996-01-09 04:13:18 +00:00
|
|
|
case ISDN_STAT_DCONN:
|
|
|
|
/* D-Channel is up */
|
1997-02-03 23:15:07 +00:00
|
|
|
switch (lp->dialstate) {
|
|
|
|
case 4:
|
|
|
|
case 7:
|
|
|
|
case 8:
|
|
|
|
lp->dialstate++;
|
|
|
|
return 1;
|
|
|
|
case 12:
|
|
|
|
lp->dialstate = 5;
|
|
|
|
return 1;
|
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
break;
|
|
|
|
case ISDN_STAT_DHUP:
|
|
|
|
/* Either D-Channel-hangup or error during dialout */
|
1996-02-11 02:22:28 +00:00
|
|
|
if ((!lp->dialstate) && (lp->flags & ISDN_NET_CONNECTED)) {
|
|
|
|
lp->flags &= ~ISDN_NET_CONNECTED;
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->first_skb) {
|
|
|
|
dev_kfree_skb(lp->first_skb, FREE_WRITE);
|
1996-06-11 14:54:08 +00:00
|
|
|
lp->first_skb = NULL;
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->sav_skb) {
|
|
|
|
dev_kfree_skb(lp->sav_skb, FREE_WRITE);
|
1996-06-11 14:54:08 +00:00
|
|
|
lp->sav_skb = NULL;
|
|
|
|
}
|
1996-02-11 02:22:28 +00:00
|
|
|
isdn_free_channel(lp->isdn_device, lp->isdn_channel,
|
1997-02-03 23:15:07 +00:00
|
|
|
ISDN_USAGE_NET);
|
1996-01-09 04:13:18 +00:00
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1996-02-11 02:22:28 +00:00
|
|
|
isdn_ppp_free(lp);
|
1996-01-09 04:13:18 +00:00
|
|
|
#endif
|
1996-02-11 02:22:28 +00:00
|
|
|
isdn_all_eaz(lp->isdn_device, lp->isdn_channel);
|
|
|
|
printk(KERN_INFO "%s: remote hangup\n", lp->name);
|
|
|
|
printk(KERN_INFO "%s: Chargesum is %d\n", lp->name,
|
|
|
|
lp->charge);
|
|
|
|
lp->isdn_device = -1;
|
|
|
|
lp->isdn_channel = -1;
|
|
|
|
dev->st_netdev[idx] = NULL;
|
|
|
|
dev->rx_netdev[idx] = NULL;
|
1997-02-03 23:15:07 +00:00
|
|
|
return 1;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
break;
|
1996-01-09 04:13:18 +00:00
|
|
|
case ISDN_STAT_BCONN:
|
|
|
|
/* B-Channel is up */
|
1997-02-03 23:15:07 +00:00
|
|
|
switch (lp->dialstate) {
|
|
|
|
case 5:
|
|
|
|
case 6:
|
|
|
|
case 7:
|
|
|
|
case 8:
|
|
|
|
case 9:
|
|
|
|
case 10:
|
|
|
|
case 12:
|
|
|
|
if (lp->dialstate <= 6) {
|
|
|
|
dev->usage[idx] |= ISDN_USAGE_OUTGOING;
|
|
|
|
isdn_info_update();
|
|
|
|
} else
|
|
|
|
dev->rx_netdev[idx] = p;
|
|
|
|
lp->dialstate = 0;
|
|
|
|
isdn_timer_ctrl(ISDN_TIMER_NETHANGUP, 1);
|
|
|
|
printk(KERN_INFO "isdn_net: %s connected\n", lp->name);
|
|
|
|
/* If first Chargeinfo comes before B-Channel connect,
|
|
|
|
* we correct the timestamp here.
|
|
|
|
*/
|
|
|
|
lp->chargetime = jiffies;
|
1997-01-17 01:19:30 +00:00
|
|
|
printk(KERN_DEBUG "isdn_net: chargetime of %s now %d\n",
|
1997-02-03 23:15:07 +00:00
|
|
|
lp->name, lp->chargetime);
|
|
|
|
/* Immediately send first skb to speed up arp */
|
1996-09-23 00:03:37 +00:00
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->p_encap == ISDN_NET_ENCAP_SYNCPPP)
|
1996-08-12 16:24:32 +00:00
|
|
|
isdn_ppp_wakeup_daemon(lp);
|
1996-09-23 00:03:37 +00:00
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->first_skb) {
|
|
|
|
if (!(isdn_net_xmit(&p->dev, lp, lp->first_skb)))
|
|
|
|
lp->first_skb = NULL;
|
|
|
|
}
|
|
|
|
return 1;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case ISDN_STAT_NODCH:
|
|
|
|
/* No D-Channel avail. */
|
1996-02-11 02:22:28 +00:00
|
|
|
if (lp->dialstate == 4) {
|
|
|
|
lp->dialstate--;
|
1997-02-03 23:15:07 +00:00
|
|
|
return 1;
|
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
break;
|
|
|
|
case ISDN_STAT_CINF:
|
|
|
|
/* Charge-info from TelCo. Calculate interval between
|
|
|
|
* charge-infos and set timestamp for last info for
|
|
|
|
* usage by isdn_net_autohup()
|
|
|
|
*/
|
1996-02-11 02:22:28 +00:00
|
|
|
lp->charge++;
|
1997-01-17 01:19:30 +00:00
|
|
|
if (lp->hupflags & ISDN_HAVECHARGE) {
|
|
|
|
lp->hupflags &= ~ISDN_WAITCHARGE;
|
1996-02-11 02:22:28 +00:00
|
|
|
lp->chargeint = jiffies - lp->chargetime - (2 * HZ);
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
1997-01-17 01:19:30 +00:00
|
|
|
if (lp->hupflags & ISDN_WAITCHARGE)
|
|
|
|
lp->hupflags |= ISDN_HAVECHARGE;
|
1996-02-11 02:22:28 +00:00
|
|
|
lp->chargetime = jiffies;
|
1997-01-17 01:19:30 +00:00
|
|
|
printk(KERN_DEBUG "isdn_net: Got CINF chargetime of %s now %d\n",
|
|
|
|
lp->name, lp->chargetime);
|
1996-02-11 02:22:28 +00:00
|
|
|
return 1;
|
1997-02-03 23:15:07 +00:00
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
return 0;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
1996-04-20 16:28:38 +00:00
|
|
|
* Check, if a number contains wildcard-characters, in which case it
|
1996-01-09 04:13:18 +00:00
|
|
|
* is for incoming purposes only.
|
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
static int
|
|
|
|
isdn_net_checkwild(char *num)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
return ((strchr(num, '?')) ||
|
|
|
|
(strchr(num, '*')) ||
|
|
|
|
(strchr(num, '[')) ||
|
|
|
|
(strchr(num, ']')) ||
|
|
|
|
(strchr(num, '^')));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Perform dialout for net-interfaces and timeout-handling for
|
|
|
|
* D-Channel-up and B-Channel-up Messages.
|
|
|
|
* This function is initially called from within isdn_net_start_xmit() or
|
|
|
|
* or isdn_net_find_icall() after initializing the dialstate for an
|
|
|
|
* interface. If further calls are needed, the function schedules itself
|
|
|
|
* for a timer-callback via isdn_timer_function().
|
|
|
|
* The dialstate is also affected by incoming status-messages from
|
|
|
|
* the ISDN-Channel which are handled in isdn_net_stat_callback() above.
|
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
void
|
|
|
|
isdn_net_dial(void)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p = dev->netdev;
|
|
|
|
int anymore = 0;
|
|
|
|
int i;
|
|
|
|
isdn_ctrl cmd;
|
|
|
|
|
|
|
|
while (p) {
|
1996-04-20 16:28:38 +00:00
|
|
|
#ifdef ISDN_DEBUG_NET_DIAL
|
1997-02-03 23:15:07 +00:00
|
|
|
if (p->local.dialstate)
|
|
|
|
printk(KERN_DEBUG "%s: dialstate=%d\n", p->local.name, p->local.dialstate);
|
1996-04-20 16:28:38 +00:00
|
|
|
#endif
|
1996-01-09 04:13:18 +00:00
|
|
|
switch (p->local.dialstate) {
|
1997-02-03 23:15:07 +00:00
|
|
|
case 0:
|
|
|
|
/* Nothing to do for this interface */
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
/* Initiate dialout. Set phone-number-pointer to first number
|
|
|
|
* of interface.
|
1996-01-09 04:13:18 +00:00
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
p->local.dial = p->local.phone[1];
|
|
|
|
anymore = 1;
|
|
|
|
p->local.dialstate++;
|
|
|
|
/* Fall through */
|
|
|
|
case 2:
|
|
|
|
/* Prepare dialing. Clear EAZ, then set EAZ. */
|
|
|
|
cmd.driver = p->local.isdn_device;
|
|
|
|
cmd.arg = p->local.isdn_channel;
|
|
|
|
cmd.command = ISDN_CMD_CLREAZ;
|
|
|
|
dev->drv[p->local.isdn_device]->interface->command(&cmd);
|
|
|
|
sprintf(cmd.num, "%s", isdn_map_eaz2msn(p->local.msn, cmd.driver));
|
|
|
|
cmd.command = ISDN_CMD_SETEAZ;
|
|
|
|
dev->drv[p->local.isdn_device]->interface->command(&cmd);
|
|
|
|
p->local.dialretry = 0;
|
|
|
|
anymore = 1;
|
|
|
|
p->local.dialstate++;
|
|
|
|
/* Falls through */
|
|
|
|
case 3:
|
|
|
|
/* Setup interface, dial current phone-number, switch to next number.
|
|
|
|
* If list of phone-numbers is exhausted, increment
|
|
|
|
* retry-counter.
|
|
|
|
*/
|
|
|
|
cmd.driver = p->local.isdn_device;
|
|
|
|
cmd.command = ISDN_CMD_SETL2;
|
|
|
|
cmd.arg = p->local.isdn_channel + (p->local.l2_proto << 8);
|
|
|
|
dev->drv[p->local.isdn_device]->interface->command(&cmd);
|
|
|
|
cmd.driver = p->local.isdn_device;
|
|
|
|
cmd.command = ISDN_CMD_SETL3;
|
|
|
|
cmd.arg = p->local.isdn_channel + (p->local.l3_proto << 8);
|
|
|
|
dev->drv[p->local.isdn_device]->interface->command(&cmd);
|
|
|
|
cmd.driver = p->local.isdn_device;
|
|
|
|
cmd.arg = p->local.isdn_channel;
|
|
|
|
p->local.huptimer = 0;
|
|
|
|
p->local.outgoing = 1;
|
|
|
|
if (p->local.chargeint) {
|
|
|
|
p->local.hupflags |= ISDN_HAVECHARGE;
|
|
|
|
p->local.hupflags &= ~ISDN_WAITCHARGE;
|
|
|
|
} else {
|
|
|
|
p->local.hupflags |= ISDN_WAITCHARGE;
|
|
|
|
p->local.hupflags &= ~ISDN_HAVECHARGE;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
if (!strcmp(p->local.dial->num, "LEASED")) {
|
|
|
|
p->local.dialstate = 4;
|
|
|
|
printk(KERN_INFO "%s: Open leased line ...\n", p->local.name);
|
|
|
|
} else {
|
|
|
|
cmd.command = ISDN_CMD_DIAL;
|
|
|
|
sprintf(cmd.num, "%s,%s,7,0", p->local.dial->num,
|
|
|
|
isdn_map_eaz2msn(p->local.msn, cmd.driver));
|
|
|
|
i = isdn_dc2minor(p->local.isdn_device, p->local.isdn_channel);
|
|
|
|
if (i >= 0) {
|
|
|
|
strcpy(dev->num[i], p->local.dial->num);
|
|
|
|
isdn_info_update();
|
|
|
|
}
|
|
|
|
printk(KERN_INFO "%s: dialing %d %s...\n", p->local.name,
|
|
|
|
p->local.dialretry, p->local.dial->num);
|
|
|
|
/*
|
|
|
|
* Switch to next number or back to start if at end of list.
|
|
|
|
*/
|
|
|
|
if (!(p->local.dial = (isdn_net_phone *) p->local.dial->next)) {
|
|
|
|
p->local.dial = p->local.phone[1];
|
|
|
|
p->local.dialretry++;
|
|
|
|
}
|
|
|
|
p->local.dtimer = 0;
|
1996-01-09 04:13:18 +00:00
|
|
|
#ifdef ISDN_DEBUG_NET_DIAL
|
1997-02-03 23:15:07 +00:00
|
|
|
printk(KERN_DEBUG "dial: d=%d c=%d\n", p->local.isdn_device,
|
|
|
|
p->local.isdn_channel);
|
1996-01-09 04:13:18 +00:00
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
dev->drv[p->local.isdn_device]->interface->command(&cmd);
|
|
|
|
}
|
|
|
|
anymore = 1;
|
|
|
|
p->local.dialstate =
|
|
|
|
(p->local.cbdelay &&
|
|
|
|
(p->local.flags & ISDN_NET_CBOUT)) ? 12 : 4;
|
|
|
|
break;
|
|
|
|
case 4:
|
|
|
|
/* Wait for D-Channel-connect.
|
|
|
|
* If timeout and max retries not
|
|
|
|
* reached, switch back to state 3.
|
|
|
|
*/
|
|
|
|
if (p->local.dtimer++ > ISDN_TIMER_DTIMEOUT10)
|
|
|
|
if (p->local.dialretry < p->local.dialmax) {
|
|
|
|
p->local.dialstate = 3;
|
|
|
|
} else
|
|
|
|
isdn_net_hangup(&p->dev);
|
|
|
|
anymore = 1;
|
|
|
|
break;
|
|
|
|
case 5:
|
|
|
|
/* Got D-Channel-Connect, send B-Channel-request */
|
|
|
|
cmd.driver = p->local.isdn_device;
|
|
|
|
cmd.arg = p->local.isdn_channel;
|
|
|
|
cmd.command = ISDN_CMD_ACCEPTB;
|
|
|
|
anymore = 1;
|
|
|
|
p->local.dtimer = 0;
|
|
|
|
p->local.dialstate++;
|
1996-01-09 04:13:18 +00:00
|
|
|
dev->drv[p->local.isdn_device]->interface->command(&cmd);
|
1997-02-03 23:15:07 +00:00
|
|
|
break;
|
|
|
|
case 6:
|
|
|
|
/* Wait for B- or D-Channel-connect. If timeout,
|
|
|
|
* switch back to state 3.
|
|
|
|
*/
|
1996-01-09 04:13:18 +00:00
|
|
|
#ifdef ISDN_DEBUG_NET_DIAL
|
1997-02-03 23:15:07 +00:00
|
|
|
printk(KERN_DEBUG "dialtimer2: %d\n", p->local.dtimer);
|
1996-01-09 04:13:18 +00:00
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
if (p->local.dtimer++ > ISDN_TIMER_DTIMEOUT10)
|
|
|
|
p->local.dialstate = 3;
|
|
|
|
anymore = 1;
|
|
|
|
break;
|
|
|
|
case 7:
|
|
|
|
/* Got incoming Call, setup L2 and L3 protocols,
|
|
|
|
* then wait for D-Channel-connect
|
|
|
|
*/
|
1996-01-09 04:13:18 +00:00
|
|
|
#ifdef ISDN_DEBUG_NET_DIAL
|
1997-02-03 23:15:07 +00:00
|
|
|
printk(KERN_DEBUG "dialtimer4: %d\n", p->local.dtimer);
|
1996-01-09 04:13:18 +00:00
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
cmd.driver = p->local.isdn_device;
|
|
|
|
cmd.command = ISDN_CMD_SETL2;
|
|
|
|
cmd.arg = p->local.isdn_channel + (p->local.l2_proto << 8);
|
|
|
|
dev->drv[p->local.isdn_device]->interface->command(&cmd);
|
|
|
|
cmd.driver = p->local.isdn_device;
|
|
|
|
cmd.command = ISDN_CMD_SETL3;
|
|
|
|
cmd.arg = p->local.isdn_channel + (p->local.l3_proto << 8);
|
|
|
|
dev->drv[p->local.isdn_device]->interface->command(&cmd);
|
|
|
|
if (p->local.dtimer++ > ISDN_TIMER_DTIMEOUT15)
|
|
|
|
isdn_net_hangup(&p->dev);
|
|
|
|
else {
|
|
|
|
anymore = 1;
|
|
|
|
p->local.dialstate++;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 9:
|
|
|
|
/* Got incoming D-Channel-Connect, send B-Channel-request */
|
|
|
|
cmd.driver = p->local.isdn_device;
|
|
|
|
cmd.arg = p->local.isdn_channel;
|
|
|
|
cmd.command = ISDN_CMD_ACCEPTB;
|
|
|
|
dev->drv[p->local.isdn_device]->interface->command(&cmd);
|
1996-01-09 04:13:18 +00:00
|
|
|
anymore = 1;
|
1997-02-03 23:15:07 +00:00
|
|
|
p->local.dtimer = 0;
|
|
|
|
p->local.dialstate++;
|
|
|
|
break;
|
|
|
|
case 8:
|
|
|
|
case 10:
|
|
|
|
/* Wait for B- or D-channel-connect */
|
1996-01-09 04:13:18 +00:00
|
|
|
#ifdef ISDN_DEBUG_NET_DIAL
|
1997-02-03 23:15:07 +00:00
|
|
|
printk(KERN_DEBUG "dialtimer4: %d\n", p->local.dtimer);
|
1996-01-09 04:13:18 +00:00
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
if (p->local.dtimer++ > ISDN_TIMER_DTIMEOUT10)
|
|
|
|
isdn_net_hangup(&p->dev);
|
|
|
|
else
|
|
|
|
anymore = 1;
|
|
|
|
break;
|
|
|
|
case 11:
|
|
|
|
/* Callback Delay */
|
|
|
|
if (p->local.dtimer++ > p->local.cbdelay)
|
|
|
|
p->local.dialstate = 1;
|
1996-01-09 04:13:18 +00:00
|
|
|
anymore = 1;
|
1997-02-03 23:15:07 +00:00
|
|
|
break;
|
|
|
|
case 12:
|
|
|
|
/* Remote does callback. Hangup after cbdelay, then wait for incoming
|
|
|
|
* call (in state 4).
|
|
|
|
*/
|
|
|
|
if (p->local.dtimer++ > p->local.cbdelay) {
|
|
|
|
printk(KERN_INFO "%s: hangup waiting for callback ...\n", p->local.name);
|
|
|
|
p->local.dtimer = 0;
|
|
|
|
p->local.dialstate = 4;
|
|
|
|
cmd.driver = p->local.isdn_device;
|
|
|
|
cmd.command = ISDN_CMD_HANGUP;
|
|
|
|
cmd.arg = p->local.isdn_channel;
|
|
|
|
(void) dev->drv[cmd.driver]->interface->command(&cmd);
|
|
|
|
isdn_all_eaz(p->local.isdn_device, p->local.isdn_channel);
|
|
|
|
}
|
|
|
|
anymore = 1;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
printk(KERN_WARNING "isdn_net: Illegal dialstate %d for device %s\n",
|
|
|
|
p->local.dialstate, p->local.name);
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
p = (isdn_net_dev *) p->next;
|
|
|
|
}
|
|
|
|
isdn_timer_ctrl(ISDN_TIMER_NETDIAL, anymore);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Perform hangup for a net-interface.
|
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
void
|
|
|
|
isdn_net_hangup(struct device *d)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_local *lp = (isdn_net_local *) d->priv;
|
|
|
|
isdn_ctrl cmd;
|
|
|
|
|
|
|
|
if (lp->flags & ISDN_NET_CONNECTED) {
|
1997-01-14 01:29:31 +00:00
|
|
|
lp->flags &= ~ISDN_NET_CONNECTED;
|
1996-01-09 04:13:18 +00:00
|
|
|
printk(KERN_INFO "isdn_net: local hangup %s\n", lp->name);
|
|
|
|
#ifdef CONFIG_ISDN_PPP
|
|
|
|
isdn_ppp_free(lp);
|
|
|
|
#endif
|
|
|
|
cmd.driver = lp->isdn_device;
|
|
|
|
cmd.command = ISDN_CMD_HANGUP;
|
|
|
|
cmd.arg = lp->isdn_channel;
|
|
|
|
(void) dev->drv[cmd.driver]->interface->command(&cmd);
|
|
|
|
printk(KERN_INFO "%s: Chargesum is %d\n", lp->name, lp->charge);
|
|
|
|
isdn_all_eaz(lp->isdn_device, lp->isdn_channel);
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_unbind_channel(lp);
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
unsigned short source;
|
|
|
|
unsigned short dest;
|
|
|
|
} ip_ports;
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
static void
|
|
|
|
isdn_net_log_packet(u_char * buf, isdn_net_local * lp)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
1997-02-03 23:15:07 +00:00
|
|
|
u_char *p = buf;
|
1996-02-11 02:22:28 +00:00
|
|
|
unsigned short proto = ETH_P_IP;
|
1997-02-03 23:15:07 +00:00
|
|
|
int data_ofs;
|
1996-01-09 04:13:18 +00:00
|
|
|
ip_ports *ipp;
|
|
|
|
char addinfo[100];
|
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
addinfo[0] = '\0';
|
|
|
|
switch (lp->p_encap) {
|
|
|
|
case ISDN_NET_ENCAP_IPTYP:
|
|
|
|
proto = ntohs(*(unsigned short *) &buf[0]);
|
|
|
|
p = &buf[2];
|
|
|
|
break;
|
|
|
|
case ISDN_NET_ENCAP_ETHER:
|
|
|
|
proto = ntohs(*(unsigned short *) &buf[12]);
|
|
|
|
p = &buf[14];
|
|
|
|
break;
|
|
|
|
case ISDN_NET_ENCAP_CISCOHDLC:
|
|
|
|
proto = ntohs(*(unsigned short *) &buf[2]);
|
|
|
|
p = &buf[4];
|
|
|
|
break;
|
|
|
|
}
|
1996-02-11 02:22:28 +00:00
|
|
|
data_ofs = ((p[0] & 15) * 4);
|
1997-02-03 23:15:07 +00:00
|
|
|
switch (proto) {
|
1996-01-09 04:13:18 +00:00
|
|
|
case ETH_P_IP:
|
1996-02-11 02:22:28 +00:00
|
|
|
switch (p[9]) {
|
1997-02-03 23:15:07 +00:00
|
|
|
case 1:
|
|
|
|
strcpy(addinfo, " ICMP");
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
strcpy(addinfo, " IGMP");
|
|
|
|
break;
|
|
|
|
case 4:
|
|
|
|
strcpy(addinfo, " IPIP");
|
|
|
|
break;
|
|
|
|
case 6:
|
|
|
|
ipp = (ip_ports *) (&p[data_ofs]);
|
|
|
|
sprintf(addinfo, " TCP, port: %d -> %d", ntohs(ipp->source),
|
|
|
|
ntohs(ipp->dest));
|
|
|
|
break;
|
|
|
|
case 8:
|
|
|
|
strcpy(addinfo, " EGP");
|
|
|
|
break;
|
|
|
|
case 12:
|
|
|
|
strcpy(addinfo, " PUP");
|
|
|
|
break;
|
|
|
|
case 17:
|
|
|
|
ipp = (ip_ports *) (&p[data_ofs]);
|
|
|
|
sprintf(addinfo, " UDP, port: %d -> %d", ntohs(ipp->source),
|
|
|
|
ntohs(ipp->dest));
|
|
|
|
break;
|
|
|
|
case 22:
|
|
|
|
strcpy(addinfo, " IDP");
|
|
|
|
break;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
printk(KERN_INFO "OPEN: %d.%d.%d.%d -> %d.%d.%d.%d%s\n",
|
1996-02-11 02:22:28 +00:00
|
|
|
p[12], p[13], p[14], p[15],
|
|
|
|
p[16], p[17], p[18], p[19],
|
1996-01-09 04:13:18 +00:00
|
|
|
addinfo);
|
|
|
|
break;
|
|
|
|
case ETH_P_ARP:
|
|
|
|
printk(KERN_INFO "OPEN: ARP %d.%d.%d.%d -> *.*.*.* ?%d.%d.%d.%d\n",
|
1996-02-11 02:22:28 +00:00
|
|
|
p[14], p[15], p[16], p[17],
|
|
|
|
p[24], p[25], p[26], p[27]);
|
1996-01-09 04:13:18 +00:00
|
|
|
break;
|
1997-02-03 23:15:07 +00:00
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
/*
|
|
|
|
* Generic routine to send out an skbuf.
|
|
|
|
* If lowlevel-device does not support supports skbufs, use
|
1996-04-20 16:28:38 +00:00
|
|
|
* standard send-routine, else send directly.
|
1996-01-22 05:05:12 +00:00
|
|
|
*
|
|
|
|
* Return: 0 on success, !0 on failure.
|
|
|
|
* Side-effects: ndev->tbusy is cleared on success.
|
|
|
|
*/
|
|
|
|
int
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_send_skb(struct device *ndev, isdn_net_local * lp,
|
|
|
|
struct sk_buff *skb)
|
1996-01-22 05:05:12 +00:00
|
|
|
{
|
|
|
|
int ret;
|
1997-02-03 23:15:07 +00:00
|
|
|
int len = skb->len; /* save len */
|
|
|
|
|
|
|
|
ret = isdn_writebuf_skb_stub(lp->isdn_device, lp->isdn_channel, skb);
|
1996-06-11 14:54:08 +00:00
|
|
|
if (ret == len) {
|
|
|
|
lp->transcount += len;
|
1997-02-03 23:15:07 +00:00
|
|
|
clear_bit(0, (void *) &(ndev->tbusy));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if (ret < 0) {
|
|
|
|
SET_SKB_FREE(skb);
|
|
|
|
dev_kfree_skb(skb, FREE_WRITE);
|
|
|
|
lp->stats.tx_errors++;
|
|
|
|
clear_bit(0, (void *) &(ndev->tbusy));
|
1996-06-05 02:36:45 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return 1;
|
1997-02-03 23:15:07 +00:00
|
|
|
}
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Helper function for isdn_net_start_xmit.
|
|
|
|
* When called, the connection is already established.
|
|
|
|
* Based on cps-calculation, check if device is overloaded.
|
|
|
|
* If so, and if a slave exists, trigger dialing for it.
|
|
|
|
* If any slave is online, deliver packets using a simple round robin
|
|
|
|
* scheme.
|
|
|
|
*
|
|
|
|
* Return: 0 on success, !0 on failure.
|
|
|
|
*/
|
|
|
|
|
|
|
|
static int
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_xmit(struct device *ndev, isdn_net_local * lp, struct sk_buff *skb)
|
1996-01-22 05:05:12 +00:00
|
|
|
{
|
1997-02-03 23:15:07 +00:00
|
|
|
int ret;
|
1996-01-22 05:05:12 +00:00
|
|
|
|
1996-04-20 16:28:38 +00:00
|
|
|
/* For the other encaps the header has already been built */
|
1996-01-22 05:05:12 +00:00
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1996-05-06 11:34:57 +00:00
|
|
|
if (lp->p_encap == ISDN_NET_ENCAP_SYNCPPP) {
|
1996-06-11 14:54:08 +00:00
|
|
|
return isdn_ppp_xmit(skb, ndev);
|
1996-05-06 11:34:57 +00:00
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
#endif
|
1996-01-22 05:05:12 +00:00
|
|
|
/* Reset hangup-timeout */
|
|
|
|
lp->huptimer = 0;
|
|
|
|
if (lp->cps > 7000) {
|
|
|
|
/* Device overloaded */
|
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
/*
|
|
|
|
* Packet-delivery via round-robin over master
|
1996-01-22 05:05:12 +00:00
|
|
|
* and all connected slaves.
|
|
|
|
*/
|
|
|
|
if (lp->master)
|
|
|
|
/* Slaves always deliver themselves */
|
|
|
|
ret = isdn_net_send_skb(ndev, lp, skb);
|
|
|
|
else {
|
|
|
|
isdn_net_local *slp = (isdn_net_local *) (lp->srobin->priv);
|
|
|
|
/* Master delivers via srobin and maintains srobin */
|
|
|
|
if (lp->srobin == ndev)
|
|
|
|
ret = isdn_net_send_skb(ndev, lp, skb);
|
|
|
|
else
|
|
|
|
ret = ndev->tbusy = isdn_net_start_xmit(skb, lp->srobin);
|
|
|
|
lp->srobin = (slp->slave) ? slp->slave : ndev;
|
|
|
|
slp = (isdn_net_local *) (lp->srobin->priv);
|
|
|
|
if (!((slp->flags & ISDN_NET_CONNECTED) && (slp->dialstate == 0)))
|
|
|
|
lp->srobin = ndev;
|
|
|
|
}
|
|
|
|
/* Slave-startup using delay-variable */
|
|
|
|
if (lp->slave) {
|
|
|
|
if (!lp->sqfull) {
|
|
|
|
/* First time overload: set timestamp only */
|
|
|
|
lp->sqfull = 1;
|
|
|
|
lp->sqfull_stamp = jiffies;
|
1997-02-03 23:15:07 +00:00
|
|
|
} else {
|
1996-01-22 05:05:12 +00:00
|
|
|
/* subsequent overload: if slavedelay exceeded, start dialing */
|
|
|
|
if ((jiffies - lp->sqfull_stamp) > lp->slavedelay)
|
|
|
|
isdn_net_force_dial_lp((isdn_net_local *) lp->slave->priv);
|
|
|
|
}
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
} else {
|
1996-01-22 05:05:12 +00:00
|
|
|
/* Not overloaded, deliver locally */
|
|
|
|
ret = isdn_net_send_skb(ndev, lp, skb);
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->sqfull && ((jiffies - lp->sqfull_stamp) > (lp->slavedelay + (10 * HZ))))
|
1996-01-22 05:05:12 +00:00
|
|
|
lp->sqfull = 0;
|
|
|
|
}
|
|
|
|
return ret;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
1996-01-22 05:05:12 +00:00
|
|
|
* Try sending a packet.
|
1996-01-09 04:13:18 +00:00
|
|
|
* If this interface isn't connected to a ISDN-Channel, find a free channel,
|
|
|
|
* and start dialing.
|
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
int
|
|
|
|
isdn_net_start_xmit(struct sk_buff *skb, struct device *ndev)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_local *lp = (isdn_net_local *) ndev->priv;
|
1996-01-22 05:05:12 +00:00
|
|
|
|
1996-01-09 04:13:18 +00:00
|
|
|
if (ndev->tbusy) {
|
1996-08-29 20:06:03 +00:00
|
|
|
if (jiffies - ndev->trans_start < (2 * HZ))
|
1996-01-09 04:13:18 +00:00
|
|
|
return 1;
|
1997-02-03 23:15:07 +00:00
|
|
|
if (!lp->dialstate)
|
|
|
|
lp->stats.tx_errors++;
|
1996-01-09 04:13:18 +00:00
|
|
|
ndev->tbusy = 0;
|
|
|
|
ndev->trans_start = jiffies;
|
|
|
|
}
|
|
|
|
if (skb == NULL) {
|
|
|
|
dev_tint(ndev);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/* Avoid timer-based retransmission conflicts. */
|
|
|
|
if (set_bit(0, (void *) &ndev->tbusy) != 0)
|
1996-01-22 05:05:12 +00:00
|
|
|
printk(KERN_WARNING
|
1997-02-03 23:15:07 +00:00
|
|
|
"%s: Transmitter access conflict.\n",
|
|
|
|
ndev->name);
|
1996-01-09 04:13:18 +00:00
|
|
|
else {
|
|
|
|
u_char *buf = skb->data;
|
|
|
|
#ifdef ISDN_DEBUG_NET_DUMP
|
1996-01-22 05:05:12 +00:00
|
|
|
isdn_dumppkt("S:", buf, skb->len, 40);
|
1996-01-09 04:13:18 +00:00
|
|
|
#endif
|
|
|
|
if (!(lp->flags & ISDN_NET_CONNECTED)) {
|
|
|
|
int chi;
|
|
|
|
if (lp->phone[1]) {
|
|
|
|
ulong flags;
|
|
|
|
save_flags(flags);
|
|
|
|
cli();
|
|
|
|
/* Grab a free ISDN-Channel */
|
1997-02-03 23:15:07 +00:00
|
|
|
if ((chi =
|
|
|
|
isdn_get_free_channel(ISDN_USAGE_NET,
|
|
|
|
lp->l2_proto,
|
|
|
|
lp->l3_proto,
|
|
|
|
lp->pre_device,
|
|
|
|
lp->pre_channel)) < 0) {
|
|
|
|
printk(KERN_WARNING
|
|
|
|
"isdn_net_start_xmit: No channel for %s\n",
|
|
|
|
ndev->name);
|
1996-01-09 04:13:18 +00:00
|
|
|
restore_flags(flags);
|
1997-02-03 23:15:07 +00:00
|
|
|
/* we probably should drop the skb here and return 0 to omit
|
|
|
|
'socket destroy delayed' messages */
|
1996-01-09 04:13:18 +00:00
|
|
|
return 1;
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
/* Log packet, which triggered dialing */
|
1996-01-09 04:13:18 +00:00
|
|
|
if (dev->net_verbose)
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_log_packet(buf, lp);
|
1996-01-09 04:13:18 +00:00
|
|
|
lp->dialstate = 1;
|
|
|
|
lp->flags |= ISDN_NET_CONNECTED;
|
|
|
|
/* Connect interface with channel */
|
|
|
|
isdn_net_bind_channel(lp, chi);
|
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1996-05-06 11:34:57 +00:00
|
|
|
if (lp->p_encap == ISDN_NET_ENCAP_SYNCPPP) {
|
|
|
|
/* no 'first_skb' handling for syncPPP */
|
1996-01-09 04:13:18 +00:00
|
|
|
if (isdn_ppp_bind(lp) < 0) {
|
1997-02-03 23:15:07 +00:00
|
|
|
dev_kfree_skb(skb, FREE_WRITE);
|
1996-05-06 11:34:57 +00:00
|
|
|
isdn_net_unbind_channel(lp);
|
1997-02-03 23:15:07 +00:00
|
|
|
restore_flags(flags);
|
1996-05-06 11:34:57 +00:00
|
|
|
return 0; /* STN (skb to nirvana) ;) */
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
1996-05-06 11:34:57 +00:00
|
|
|
restore_flags(flags);
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_dial(); /* Initiate dialing */
|
1996-05-06 11:34:57 +00:00
|
|
|
return 1; /* let upper layer requeue skb packet */
|
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
/* remember first skb to speed up arp
|
|
|
|
* when using encap ETHER
|
|
|
|
*/
|
|
|
|
if (lp->first_skb) {
|
|
|
|
printk(KERN_WARNING "isdn_net_start_xmit: First skb already set!\n");
|
|
|
|
dev_kfree_skb(lp->first_skb, FREE_WRITE);
|
|
|
|
lp->first_skb = NULL;
|
|
|
|
}
|
|
|
|
lp->first_skb = skb;
|
1996-01-09 04:13:18 +00:00
|
|
|
/* Initiate dialing */
|
1997-02-03 23:15:07 +00:00
|
|
|
ndev->tbusy = 0;
|
1996-01-09 04:13:18 +00:00
|
|
|
restore_flags(flags);
|
1996-11-13 02:31:38 +00:00
|
|
|
isdn_net_dial();
|
1997-02-03 23:15:07 +00:00
|
|
|
return 0;
|
1996-01-09 04:13:18 +00:00
|
|
|
} else {
|
1997-02-03 23:15:07 +00:00
|
|
|
/*
|
|
|
|
* Having no phone-number is a permanent
|
|
|
|
* failure or misconfiguration.
|
|
|
|
* Instead of just dropping, we should also
|
|
|
|
* have the upper layers to respond
|
|
|
|
* with an ICMP No route to host in the
|
|
|
|
* future, however at the moment, i don't
|
|
|
|
* know a simple way to do that.
|
|
|
|
* The same applies, when the telecom replies
|
|
|
|
* "no destination" to our dialing-attempt.
|
|
|
|
*/
|
|
|
|
printk(KERN_WARNING
|
|
|
|
"isdn_net: No phone number for %s, packet dropped\n",
|
|
|
|
ndev->name);
|
1996-01-22 05:05:12 +00:00
|
|
|
dev_kfree_skb(skb, FREE_WRITE);
|
|
|
|
ndev->tbusy = 0;
|
1997-02-03 23:15:07 +00:00
|
|
|
return 0;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
} else {
|
1997-02-03 23:15:07 +00:00
|
|
|
/* Connection is established, try sending */
|
1996-01-09 04:13:18 +00:00
|
|
|
ndev->trans_start = jiffies;
|
1996-02-11 02:22:28 +00:00
|
|
|
if (!lp->dialstate) {
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->first_skb) {
|
|
|
|
if (isdn_net_xmit(ndev, lp, lp->first_skb))
|
|
|
|
return 1;
|
|
|
|
lp->first_skb = NULL;
|
|
|
|
}
|
|
|
|
return (isdn_net_xmit(ndev, lp, skb));
|
1996-02-11 02:22:28 +00:00
|
|
|
} else
|
|
|
|
ndev->tbusy = 1;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
}
|
1996-01-22 05:05:12 +00:00
|
|
|
return 1;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Shutdown a net-interface.
|
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
static int
|
|
|
|
isdn_net_close(struct device *dev)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
struct device *p;
|
|
|
|
|
|
|
|
dev->tbusy = 1;
|
|
|
|
dev->start = 0;
|
|
|
|
isdn_net_hangup(dev);
|
|
|
|
if ((p = (((isdn_net_local *) dev->priv)->slave))) {
|
|
|
|
/* If this interface has slaves, stop them also */
|
|
|
|
while (p) {
|
|
|
|
isdn_net_hangup(p);
|
|
|
|
p->tbusy = 1;
|
|
|
|
p->start = 0;
|
|
|
|
p = (((isdn_net_local *) p->priv)->slave);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
isdn_MOD_DEC_USE_COUNT();
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Get statistics
|
|
|
|
*/
|
|
|
|
static struct enet_statistics *
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_get_stats(struct device *dev)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_local *lp = (isdn_net_local *) dev->priv;
|
|
|
|
return &lp->stats;
|
|
|
|
}
|
|
|
|
|
1996-02-11 02:22:28 +00:00
|
|
|
/* This is simply a copy from std. eth.c EXCEPT we pull ETH_HLEN
|
1996-04-20 16:28:38 +00:00
|
|
|
* instead of dev->hard_header_len off. This is done because the
|
|
|
|
* lowlevel-driver has already pulled off its stuff when we get
|
|
|
|
* here and this routine only gets called with p_encap == ETHER.
|
1996-02-11 02:22:28 +00:00
|
|
|
* Determine the packet's protocol ID. The rule here is that we
|
|
|
|
* assume 802.3 if the type field is short enough to be a length.
|
|
|
|
* This is normal practice and works for any 'now in use' protocol.
|
|
|
|
*/
|
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
static unsigned short
|
|
|
|
isdn_net_type_trans(struct sk_buff *skb, struct device *dev)
|
1996-02-11 02:22:28 +00:00
|
|
|
{
|
1997-02-03 23:15:07 +00:00
|
|
|
struct ethhdr *eth;
|
|
|
|
unsigned char *rawp;
|
|
|
|
|
|
|
|
skb_pull(skb, ETH_HLEN);
|
|
|
|
eth = skb->mac.ethernet;
|
|
|
|
|
|
|
|
if (*eth->h_dest & 1) {
|
|
|
|
if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
|
|
|
|
skb->pkt_type = PACKET_BROADCAST;
|
|
|
|
else
|
|
|
|
skb->pkt_type = PACKET_MULTICAST;
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* This ALLMULTI check should be redundant by 1.4
|
|
|
|
* so don't forget to remove it.
|
|
|
|
*/
|
|
|
|
|
|
|
|
else if (dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) {
|
|
|
|
if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
|
|
|
|
skb->pkt_type = PACKET_OTHERHOST;
|
|
|
|
}
|
|
|
|
if (ntohs(eth->h_proto) >= 1536)
|
|
|
|
return eth->h_proto;
|
|
|
|
|
|
|
|
rawp = skb->data;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This is a magic hack to spot IPX packets. Older Novell breaks
|
|
|
|
* the protocol design and runs IPX over 802.3 without an 802.2 LLC
|
|
|
|
* layer. We look for FFFF which isn't a used 802.2 SSAP/DSAP. This
|
|
|
|
* won't work for fault tolerant netware but does for the rest.
|
|
|
|
*/
|
|
|
|
if (*(unsigned short *) rawp == 0xFFFF)
|
|
|
|
return htons(ETH_P_802_3);
|
|
|
|
/*
|
|
|
|
* Real 802.2 LLC
|
|
|
|
*/
|
|
|
|
return htons(ETH_P_802_2);
|
1996-02-11 02:22:28 +00:00
|
|
|
}
|
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
/*
|
1996-01-22 05:05:12 +00:00
|
|
|
* Got a packet from ISDN-Channel.
|
1996-01-09 04:13:18 +00:00
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
static void
|
|
|
|
isdn_net_receive(struct device *ndev, struct sk_buff *skb)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
1996-01-22 05:05:12 +00:00
|
|
|
isdn_net_local *lp = (isdn_net_local *) ndev->priv;
|
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_local *olp = lp; /* original 'lp' */
|
|
|
|
int proto = PPP_PROTOCOL(skb->data);
|
1996-01-22 05:05:12 +00:00
|
|
|
#endif
|
1996-01-09 04:13:18 +00:00
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
lp->transcount += skb->len;
|
1996-01-09 04:13:18 +00:00
|
|
|
lp->stats.rx_packets++;
|
1996-09-23 01:58:11 +00:00
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1997-02-03 23:15:07 +00:00
|
|
|
/*
|
|
|
|
* If encapsulation is syncppp, don't reset
|
|
|
|
* huptimer on LCP packets.
|
|
|
|
*/
|
|
|
|
if (lp->p_encap != ISDN_NET_ENCAP_SYNCPPP ||
|
|
|
|
(lp->p_encap == ISDN_NET_ENCAP_SYNCPPP && proto != PPP_LCP))
|
1996-09-23 01:58:11 +00:00
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
lp->huptimer = 0;
|
1996-01-22 05:05:12 +00:00
|
|
|
|
1996-01-09 04:13:18 +00:00
|
|
|
if (lp->master) {
|
|
|
|
/* Bundling: If device is a slave-device, deliver to master, also
|
|
|
|
* handle master's statistics and hangup-timeout
|
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
ndev = lp->master;
|
|
|
|
lp = (isdn_net_local *) ndev->priv;
|
1996-01-09 04:13:18 +00:00
|
|
|
lp->stats.rx_packets++;
|
1996-09-23 01:58:11 +00:00
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1997-02-03 23:15:07 +00:00
|
|
|
/*
|
|
|
|
* If encapsulation is syncppp, don't reset
|
|
|
|
* huptimer on LCP packets.
|
|
|
|
*/
|
|
|
|
if (lp->p_encap != ISDN_NET_ENCAP_SYNCPPP ||
|
|
|
|
(lp->p_encap == ISDN_NET_ENCAP_SYNCPPP && proto != PPP_LCP))
|
1996-09-23 01:58:11 +00:00
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
lp->huptimer = 0;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
1996-01-22 05:05:12 +00:00
|
|
|
skb->dev = ndev;
|
|
|
|
skb->pkt_type = PACKET_HOST;
|
1997-02-03 23:15:07 +00:00
|
|
|
skb->mac.raw = skb->data;
|
1996-02-11 02:22:28 +00:00
|
|
|
#ifdef ISDN_DEBUG_NET_DUMP
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_dumppkt("R:", skb->data, skb->len, 40);
|
1996-02-11 02:22:28 +00:00
|
|
|
#endif
|
1996-01-09 04:13:18 +00:00
|
|
|
switch (lp->p_encap) {
|
1997-02-03 23:15:07 +00:00
|
|
|
case ISDN_NET_ENCAP_ETHER:
|
|
|
|
/* Ethernet over ISDN */
|
|
|
|
skb->protocol = isdn_net_type_trans(skb, ndev);
|
|
|
|
break;
|
|
|
|
case ISDN_NET_ENCAP_UIHDLC:
|
|
|
|
/* HDLC with UI-frame (for ispa with -h1 option) */
|
|
|
|
skb_pull(skb, 2);
|
|
|
|
/* Fall through */
|
|
|
|
case ISDN_NET_ENCAP_RAWIP:
|
|
|
|
/* RAW-IP without MAC-Header */
|
|
|
|
skb->protocol = htons(ETH_P_IP);
|
|
|
|
break;
|
|
|
|
case ISDN_NET_ENCAP_CISCOHDLC:
|
|
|
|
/* CISCO-HDLC IP with type field and fake I-frame-header */
|
|
|
|
skb_pull(skb, 2);
|
|
|
|
/* Fall through */
|
|
|
|
case ISDN_NET_ENCAP_IPTYP:
|
|
|
|
/* IP with type field */
|
|
|
|
skb->protocol = *(unsigned short *) &(skb->data[0]);
|
|
|
|
skb_pull(skb, 2);
|
|
|
|
if (*(unsigned short *) skb->data == 0xFFFF)
|
|
|
|
skb->protocol = htons(ETH_P_802_3);
|
|
|
|
break;
|
1996-01-09 04:13:18 +00:00
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1997-02-03 23:15:07 +00:00
|
|
|
case ISDN_NET_ENCAP_SYNCPPP:
|
|
|
|
isdn_ppp_receive(lp->netdev, olp, skb);
|
|
|
|
return;
|
1996-01-09 04:13:18 +00:00
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
default:
|
|
|
|
printk(KERN_WARNING "%s: unknown encapsulation, dropping\n",
|
|
|
|
lp->name);
|
|
|
|
kfree_skb(skb, FREE_READ);
|
|
|
|
return;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
1996-01-22 05:05:12 +00:00
|
|
|
netif_rx(skb);
|
1996-01-09 04:13:18 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* A packet arrived via ISDN. Search interface-chain for a corresponding
|
|
|
|
* interface. If found, deliver packet to receiver-function and return 1,
|
|
|
|
* else return 0.
|
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
int
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_rcv_skb(int idx, struct sk_buff *skb)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
1996-02-11 02:22:28 +00:00
|
|
|
isdn_net_dev *p = dev->rx_netdev[idx];
|
1996-01-09 04:13:18 +00:00
|
|
|
|
1996-02-11 02:22:28 +00:00
|
|
|
if (p) {
|
1996-01-22 05:05:12 +00:00
|
|
|
isdn_net_local *lp = &p->local;
|
1996-02-11 02:22:28 +00:00
|
|
|
if ((lp->flags & ISDN_NET_CONNECTED) &&
|
1996-01-22 05:05:12 +00:00
|
|
|
(!lp->dialstate)) {
|
|
|
|
isdn_net_receive(&p->dev, skb);
|
|
|
|
return 1;
|
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
1996-01-22 05:05:12 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
my_eth_header(struct sk_buff *skb, struct device *dev, unsigned short type,
|
1997-02-03 23:15:07 +00:00
|
|
|
void *daddr, void *saddr, unsigned len)
|
1996-01-22 05:05:12 +00:00
|
|
|
{
|
1997-02-03 23:15:07 +00:00
|
|
|
struct ethhdr *eth = (struct ethhdr *) skb_push(skb, ETH_HLEN);
|
1996-01-22 05:05:12 +00:00
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
/*
|
1996-01-22 05:05:12 +00:00
|
|
|
* Set the protocol type. For a packet of type ETH_P_802_3 we
|
1997-02-03 23:15:07 +00:00
|
|
|
* put the length here instead. It is up to the 802.2 layer to
|
|
|
|
* carry protocol information.
|
1996-01-22 05:05:12 +00:00
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
|
|
|
|
if (type != ETH_P_802_3)
|
1996-01-22 05:05:12 +00:00
|
|
|
eth->h_proto = htons(type);
|
|
|
|
else
|
|
|
|
eth->h_proto = htons(len);
|
|
|
|
|
|
|
|
/*
|
1997-02-03 23:15:07 +00:00
|
|
|
* Set the source hardware address.
|
1996-01-22 05:05:12 +00:00
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
if (saddr)
|
|
|
|
memcpy(eth->h_source, saddr, dev->addr_len);
|
1996-01-22 05:05:12 +00:00
|
|
|
else
|
1997-02-03 23:15:07 +00:00
|
|
|
memcpy(eth->h_source, dev->dev_addr, dev->addr_len);
|
1996-01-22 05:05:12 +00:00
|
|
|
|
|
|
|
/*
|
1997-02-03 23:15:07 +00:00
|
|
|
* Anyway, the loopback-device should never use this function...
|
1996-01-22 05:05:12 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
if (dev->flags & IFF_LOOPBACK) {
|
|
|
|
memset(eth->h_dest, 0, dev->addr_len);
|
1997-02-03 23:15:07 +00:00
|
|
|
return (dev->hard_header_len);
|
1996-01-22 05:05:12 +00:00
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
if (daddr) {
|
|
|
|
memcpy(eth->h_dest, daddr, dev->addr_len);
|
1996-01-22 05:05:12 +00:00
|
|
|
return dev->hard_header_len;
|
|
|
|
}
|
|
|
|
return -dev->hard_header_len;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* build an header
|
1996-04-20 16:28:38 +00:00
|
|
|
* depends on encaps that is being used.
|
1996-01-22 05:05:12 +00:00
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
static int
|
|
|
|
isdn_net_header(struct sk_buff *skb, struct device *dev, unsigned short type,
|
1997-02-03 23:15:07 +00:00
|
|
|
void *daddr, void *saddr, unsigned plen)
|
1996-01-22 05:05:12 +00:00
|
|
|
{
|
|
|
|
isdn_net_local *lp = dev->priv;
|
|
|
|
ushort len = 0;
|
1997-02-03 23:15:07 +00:00
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
switch (lp->p_encap) {
|
1997-02-03 23:15:07 +00:00
|
|
|
case ISDN_NET_ENCAP_ETHER:
|
|
|
|
len = my_eth_header(skb, dev, type, daddr, saddr, plen);
|
|
|
|
break;
|
|
|
|
case ISDN_NET_ENCAP_RAWIP:
|
|
|
|
printk(KERN_WARNING "isdn_net_header called with RAW_IP!\n");
|
1996-01-22 05:05:12 +00:00
|
|
|
len = 0;
|
1997-02-03 23:15:07 +00:00
|
|
|
break;
|
|
|
|
case ISDN_NET_ENCAP_IPTYP:
|
|
|
|
/* ethernet type field */
|
|
|
|
*((ushort *) skb_push(skb, 2)) = htons(type);
|
|
|
|
len = 2;
|
|
|
|
break;
|
|
|
|
case ISDN_NET_ENCAP_UIHDLC:
|
|
|
|
/* HDLC with UI-Frames (for ispa with -h1 option) */
|
|
|
|
*((ushort *) skb_push(skb, 2)) = htons(0x0103);
|
|
|
|
len = 2;
|
|
|
|
break;
|
|
|
|
case ISDN_NET_ENCAP_CISCOHDLC:
|
1996-01-22 05:05:12 +00:00
|
|
|
skb_push(skb, 4);
|
1997-02-03 23:15:07 +00:00
|
|
|
skb->data[0] = 0x0f;
|
|
|
|
skb->data[1] = 0x00;
|
|
|
|
*((ushort *) & skb->data[2]) = htons(type);
|
|
|
|
len = 4;
|
|
|
|
break;
|
1996-01-22 05:05:12 +00:00
|
|
|
}
|
|
|
|
return len;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* We don't need to send arp, because we have point-to-point connections. */
|
1997-02-03 23:15:07 +00:00
|
|
|
#if (LINUX_VERSION_CODE < 0x02010F)
|
1996-01-22 05:05:12 +00:00
|
|
|
static int
|
1996-06-24 17:48:08 +00:00
|
|
|
isdn_net_rebuild_header(void *buff, struct device *dev, unsigned long dst,
|
1997-02-03 23:15:07 +00:00
|
|
|
struct sk_buff *skb)
|
1996-01-22 05:05:12 +00:00
|
|
|
{
|
1996-02-11 02:22:28 +00:00
|
|
|
isdn_net_local *lp = dev->priv;
|
1997-02-03 23:15:07 +00:00
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (lp->p_encap == ISDN_NET_ENCAP_ETHER) {
|
|
|
|
struct ethhdr *eth = (struct ethhdr *) buff;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Only ARP/IP is currently supported
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (eth->h_proto != htons(ETH_P_IP)) {
|
|
|
|
printk(KERN_WARNING
|
|
|
|
"isdn_net: %s don't know how to resolve type %d addresses?\n",
|
|
|
|
dev->name, (int) eth->h_proto);
|
|
|
|
memcpy(eth->h_source, dev->dev_addr, dev->addr_len);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* Try to get ARP to resolve the header.
|
|
|
|
*/
|
|
|
|
#ifdef CONFIG_INET
|
|
|
|
ret = arp_find(eth->h_dest, dst, dev, dev->pa_addr, skb) ? 1 : 0;
|
|
|
|
#endif
|
|
|
|
}
|
1996-02-11 02:22:28 +00:00
|
|
|
return ret;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
#else
|
|
|
|
static int
|
|
|
|
isdn_net_rebuild_header(struct sk_buff *skb)
|
|
|
|
{
|
|
|
|
struct device *dev = skb->dev;
|
|
|
|
isdn_net_local *lp = dev->priv;
|
|
|
|
int ret = 0;
|
1996-01-09 04:13:18 +00:00
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->p_encap == ISDN_NET_ENCAP_ETHER) {
|
|
|
|
struct ethhdr *eth = (struct ethhdr *) skb->data;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Only ARP/IP is currently supported
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (eth->h_proto != htons(ETH_P_IP)) {
|
|
|
|
printk(KERN_WARNING
|
|
|
|
"isdn_net: %s don't know how to resolve type %d addresses?\n",
|
|
|
|
dev->name, (int) eth->h_proto);
|
|
|
|
memcpy(eth->h_source, dev->dev_addr, dev->addr_len);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* Try to get ARP to resolve the header.
|
|
|
|
*/
|
|
|
|
#ifdef CONFIG_INET
|
|
|
|
ret = arp_find(eth->h_dest, skb) ? 1 : 0;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
#endif
|
1996-01-09 04:13:18 +00:00
|
|
|
/*
|
|
|
|
* Interface-setup. (called just after registering a new interface)
|
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
static int
|
|
|
|
isdn_net_init(struct device *ndev)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
1996-01-22 05:05:12 +00:00
|
|
|
ushort max_hlhdr_len = 0;
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_local *lp = (isdn_net_local *) ndev->priv;
|
|
|
|
int drvidx,
|
|
|
|
i;
|
1996-01-22 05:05:12 +00:00
|
|
|
|
|
|
|
if (ndev == NULL) {
|
1996-01-09 04:13:18 +00:00
|
|
|
printk(KERN_WARNING "isdn_net_init: dev = NULL!\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
1996-01-22 05:05:12 +00:00
|
|
|
if (ndev->priv == NULL) {
|
1996-01-09 04:13:18 +00:00
|
|
|
printk(KERN_WARNING "isdn_net_init: dev->priv = NULL!\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
ether_setup(ndev);
|
|
|
|
#if (LINUX_VERSION_CODE < 0x02010F)
|
|
|
|
lp->org_hcb = ndev->header_cache_bind;
|
|
|
|
#else
|
|
|
|
lp->org_hhc = ndev->hard_header_cache;
|
|
|
|
#endif
|
|
|
|
lp->org_hcu = ndev->header_cache_update;
|
1996-02-11 02:22:28 +00:00
|
|
|
|
1996-01-09 04:13:18 +00:00
|
|
|
/* Setup the generic properties */
|
1996-02-11 02:22:28 +00:00
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
ndev->hard_header = NULL;
|
|
|
|
#if (LINUX_VERSION_CODE < 0x02010F)
|
|
|
|
ndev->header_cache_bind = NULL;
|
|
|
|
#else
|
|
|
|
ndev->hard_header_cache = NULL;
|
|
|
|
#endif
|
|
|
|
ndev->header_cache_update = NULL;
|
|
|
|
ndev->mtu = 1500;
|
|
|
|
ndev->flags = IFF_NOARP;
|
|
|
|
ndev->family = AF_INET;
|
|
|
|
ndev->type = ARPHRD_ETHER;
|
|
|
|
ndev->addr_len = ETH_ALEN;
|
|
|
|
ndev->pa_addr = 0;
|
|
|
|
ndev->pa_brdaddr = 0;
|
|
|
|
ndev->pa_mask = 0;
|
|
|
|
ndev->pa_alen = 4;
|
|
|
|
|
|
|
|
for (i = 0; i < ETH_ALEN; i++)
|
|
|
|
ndev->broadcast[i] = 0xff;
|
1996-01-22 05:05:12 +00:00
|
|
|
|
|
|
|
for (i = 0; i < DEV_NUMBUFFS; i++)
|
1997-02-03 23:15:07 +00:00
|
|
|
skb_queue_head_init(&ndev->buffs[i]);
|
|
|
|
|
1996-01-09 04:13:18 +00:00
|
|
|
/* The ISDN-specific entries in the device structure. */
|
1997-02-03 23:15:07 +00:00
|
|
|
ndev->open = &isdn_net_open;
|
|
|
|
ndev->hard_start_xmit = &isdn_net_start_xmit;
|
1996-01-22 05:05:12 +00:00
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
/*
|
1996-01-22 05:05:12 +00:00
|
|
|
* up till binding we ask the protocol layer to reserve as much
|
1996-04-20 16:28:38 +00:00
|
|
|
* as we might need for HL layer
|
1997-02-03 23:15:07 +00:00
|
|
|
*/
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
for (drvidx = 0; drvidx < ISDN_MAX_DRIVERS; drvidx++)
|
|
|
|
if (dev->drv[drvidx])
|
|
|
|
if (max_hlhdr_len < dev->drv[drvidx]->interface->hl_hdrlen)
|
|
|
|
max_hlhdr_len = dev->drv[drvidx]->interface->hl_hdrlen;
|
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
ndev->hard_header_len = ETH_HLEN + max_hlhdr_len;
|
1996-01-22 05:05:12 +00:00
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
ndev->stop = &isdn_net_close;
|
|
|
|
ndev->get_stats = &isdn_net_get_stats;
|
|
|
|
ndev->rebuild_header = &isdn_net_rebuild_header;
|
1996-01-22 05:05:12 +00:00
|
|
|
|
1996-01-09 04:13:18 +00:00
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1997-02-03 23:15:07 +00:00
|
|
|
ndev->do_ioctl = isdn_ppp_dev_ioctl;
|
1996-01-09 04:13:18 +00:00
|
|
|
#endif
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
1996-01-22 05:05:12 +00:00
|
|
|
* I picked the pattern-matching-functions from an old GNU-tar version (1.10)
|
1996-04-20 16:28:38 +00:00
|
|
|
* It was originally written and put to PD by rs@mirror.TMC.COM (Rich Salz)
|
1996-01-09 04:13:18 +00:00
|
|
|
*/
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
static int
|
|
|
|
isdn_net_Star(char *s, char *p)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
while (isdn_net_wildmat(s, p) == 0)
|
|
|
|
if (*++s == '\0')
|
|
|
|
return (0);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
/*
|
|
|
|
* Shell-type Pattern-matching for incoming caller-Ids
|
1996-01-09 04:13:18 +00:00
|
|
|
* This function gets a string in s and checks, if it matches the pattern
|
|
|
|
* given in p. It returns 1 on success, 0 otherwise.
|
|
|
|
*
|
1996-04-20 16:28:38 +00:00
|
|
|
* Possible Patterns:
|
1996-01-09 04:13:18 +00:00
|
|
|
*
|
|
|
|
* '?' matches one character
|
|
|
|
* '*' matches zero or more characters
|
1996-04-20 16:28:38 +00:00
|
|
|
* [xyz] matches the set of characters in brackets.
|
1996-01-09 04:13:18 +00:00
|
|
|
* [^xyz] matches any single character not in the set of characters
|
|
|
|
*/
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
static int
|
|
|
|
isdn_net_wildmat(char *s, char *p)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
register int last;
|
|
|
|
register int matched;
|
|
|
|
register int reverse;
|
|
|
|
|
|
|
|
for (; *p; s++, p++)
|
|
|
|
switch (*p) {
|
1997-02-03 23:15:07 +00:00
|
|
|
case '\\':
|
|
|
|
/*
|
|
|
|
* Literal match with following character,
|
|
|
|
* fall through.
|
|
|
|
*/
|
|
|
|
p++;
|
|
|
|
default:
|
|
|
|
if (*s != *p)
|
|
|
|
return (0);
|
|
|
|
continue;
|
|
|
|
case '?':
|
|
|
|
/* Match anything. */
|
|
|
|
if (*s == '\0')
|
|
|
|
return (0);
|
|
|
|
continue;
|
|
|
|
case '*':
|
|
|
|
/* Trailing star matches everything. */
|
|
|
|
return (*++p ? isdn_net_Star(s, p) : 1);
|
|
|
|
case '[':
|
|
|
|
/* [^....] means inverse character class. */
|
|
|
|
if ((reverse = (p[1] == '^')))
|
|
|
|
p++;
|
|
|
|
for (last = 0, matched = 0; *++p && (*p != ']'); last = *p)
|
|
|
|
/* This next line requires a good C compiler. */
|
|
|
|
if (*p == '-' ? *s <= *++p && *s >= last : *s == *p)
|
|
|
|
matched = 1;
|
|
|
|
if (matched == reverse)
|
|
|
|
return (0);
|
|
|
|
continue;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
return (*s == '\0');
|
|
|
|
}
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
static void
|
|
|
|
isdn_net_swapbind(int drvidx)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p;
|
|
|
|
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: swapping ch of %d\n", drvidx);
|
|
|
|
#endif
|
|
|
|
p = dev->netdev;
|
|
|
|
while (p) {
|
|
|
|
if (p->local.pre_device == drvidx)
|
|
|
|
switch (p->local.pre_channel) {
|
1997-02-03 23:15:07 +00:00
|
|
|
case 0:
|
|
|
|
p->local.pre_channel = 1;
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
p->local.pre_channel = 0;
|
|
|
|
break;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
p = (isdn_net_dev *) p->next;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
1996-01-22 05:05:12 +00:00
|
|
|
static void
|
|
|
|
isdn_net_swap_usage(int i1, int i2)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
int u1 = dev->usage[i1] & ISDN_USAGE_EXCLUSIVE;
|
|
|
|
int u2 = dev->usage[i2] & ISDN_USAGE_EXCLUSIVE;
|
|
|
|
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: usage of %d and %d\n", i1, i2);
|
|
|
|
#endif
|
|
|
|
dev->usage[i1] &= ~ISDN_USAGE_EXCLUSIVE;
|
|
|
|
dev->usage[i1] |= u2;
|
|
|
|
dev->usage[i2] &= ~ISDN_USAGE_EXCLUSIVE;
|
|
|
|
dev->usage[i2] |= u1;
|
|
|
|
isdn_info_update();
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* An incoming call-request has arrived.
|
1996-04-20 16:28:38 +00:00
|
|
|
* Search the interface-chain for an appropriate interface.
|
1996-01-09 04:13:18 +00:00
|
|
|
* If found, connect the interface to the ISDN-channel and initiate
|
|
|
|
* D- and B-Channel-setup. If secure-flag is set, accept only
|
|
|
|
* configured phone-numbers. If callback-flag is set, initiate
|
|
|
|
* callback-dialing.
|
|
|
|
*
|
|
|
|
* Return-Value: 0 = No appropriate interface for this call.
|
|
|
|
* 1 = Call accepted
|
1996-04-20 16:28:38 +00:00
|
|
|
* 2 = Reject call, wait cbdelay, then call back
|
|
|
|
* 3 = Reject call
|
|
|
|
* 4 = Wait cbdelay, then call back
|
1996-01-09 04:13:18 +00:00
|
|
|
*/
|
1996-01-22 05:05:12 +00:00
|
|
|
int
|
|
|
|
isdn_net_find_icall(int di, int ch, int idx, char *num)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
char *eaz;
|
|
|
|
int si1;
|
|
|
|
int si2;
|
|
|
|
int ematch;
|
|
|
|
int swapped;
|
|
|
|
int sidx = 0;
|
|
|
|
isdn_net_dev *p;
|
|
|
|
isdn_net_phone *n;
|
|
|
|
ulong flags;
|
|
|
|
char nr[31];
|
|
|
|
char *s;
|
|
|
|
|
|
|
|
/* Search name in netdev-chain */
|
|
|
|
save_flags(flags);
|
|
|
|
cli();
|
|
|
|
if (num[0] == ',') {
|
|
|
|
nr[0] = '0';
|
|
|
|
strncpy(&nr[1], num, 30);
|
1996-06-06 14:25:44 +00:00
|
|
|
printk(KERN_INFO "isdn_net: Incoming call without OAD, assuming '0'\n");
|
1996-01-09 04:13:18 +00:00
|
|
|
} else
|
|
|
|
strncpy(nr, num, 30);
|
|
|
|
s = strtok(nr, ",");
|
|
|
|
s = strtok(NULL, ",");
|
|
|
|
if (!s) {
|
|
|
|
printk(KERN_WARNING "isdn_net: Incoming callinfo garbled, ignored: %s\n",
|
|
|
|
num);
|
|
|
|
restore_flags(flags);
|
|
|
|
return 0;
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
si1 = (int) simple_strtoul(s, NULL, 10);
|
1996-01-09 04:13:18 +00:00
|
|
|
s = strtok(NULL, ",");
|
|
|
|
if (!s) {
|
|
|
|
printk(KERN_WARNING "isdn_net: Incoming callinfo garbled, ignored: %s\n",
|
|
|
|
num);
|
|
|
|
restore_flags(flags);
|
|
|
|
return 0;
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
si2 = (int) simple_strtoul(s, NULL, 10);
|
1996-01-09 04:13:18 +00:00
|
|
|
eaz = strtok(NULL, ",");
|
|
|
|
if (!eaz) {
|
|
|
|
printk(KERN_WARNING "isdn_net: Incoming call without CPN, assuming '0'\n");
|
|
|
|
eaz = "0";
|
|
|
|
}
|
|
|
|
if (dev->net_verbose > 1)
|
|
|
|
printk(KERN_INFO "isdn_net: call from %s,%d,%d -> %s\n", nr, si1, si2, eaz);
|
|
|
|
/* Accept only calls with Si1 = 7 (Data-Transmission) */
|
|
|
|
if (si1 != 7) {
|
|
|
|
if (dev->net_verbose > 1)
|
|
|
|
printk(KERN_INFO "isdn_net: Service-Indicator not 7, ignored\n");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
n = (isdn_net_phone *) 0;
|
|
|
|
p = dev->netdev;
|
|
|
|
ematch = 0;
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: di=%d ch=%d idx=%d usg=%d\n", di, ch, idx,
|
|
|
|
dev->usage[idx]);
|
|
|
|
#endif
|
|
|
|
swapped = 0;
|
|
|
|
while (p) {
|
1996-04-20 16:28:38 +00:00
|
|
|
/* If last check has triggered as binding-swap, revert it */
|
1996-01-09 04:13:18 +00:00
|
|
|
switch (swapped) {
|
1997-02-03 23:15:07 +00:00
|
|
|
case 2:
|
|
|
|
isdn_net_swap_usage(idx, sidx);
|
|
|
|
/* fall through */
|
|
|
|
case 1:
|
|
|
|
isdn_net_swapbind(di);
|
|
|
|
break;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
swapped = 0;
|
|
|
|
if (!strcmp(isdn_map_eaz2msn(p->local.msn, di), eaz))
|
|
|
|
ematch = 1;
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: if='%s', l.msn=%s, l.flags=%d, l.dstate=%d\n",
|
|
|
|
p->local.name, p->local.msn, p->local.flags, p->local.dialstate);
|
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
if ((!strcmp(isdn_map_eaz2msn(p->local.msn, di), eaz)) && /* EAZ is matching */
|
|
|
|
(((!(p->local.flags & ISDN_NET_CONNECTED)) && /* but not connected */
|
|
|
|
(USG_NONE(dev->usage[idx]))) || /* and ch. unused or */
|
|
|
|
((((p->local.dialstate == 4) || (p->local.dialstate == 12)) && /* if dialing */
|
|
|
|
(!(p->local.flags & ISDN_NET_CALLBACK))) /* but no callback */
|
1996-01-09 04:13:18 +00:00
|
|
|
))) {
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: match1, pdev=%d pch=%d\n",
|
|
|
|
p->local.pre_device, p->local.pre_channel);
|
|
|
|
#endif
|
|
|
|
if (dev->usage[idx] & ISDN_USAGE_EXCLUSIVE) {
|
|
|
|
if ((p->local.pre_channel != ch) ||
|
|
|
|
(p->local.pre_device != di)) {
|
|
|
|
/* Here we got a problem:
|
1997-02-03 23:15:07 +00:00
|
|
|
* If using an ICN-Card, an incoming call is always signaled on
|
|
|
|
* on the first channel of the card, if both channels are
|
|
|
|
* down. However this channel may be bound exclusive. If the
|
|
|
|
* second channel is free, this call should be accepted.
|
|
|
|
* The solution is horribly but it runs, so what:
|
|
|
|
* We exchange the exclusive bindings of the two channels, the
|
|
|
|
* corresponding variables in the interface-structs.
|
1996-01-09 04:13:18 +00:00
|
|
|
*/
|
|
|
|
if (ch == 0) {
|
|
|
|
sidx = isdn_dc2minor(di, 1);
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: ch is 0\n");
|
|
|
|
#endif
|
|
|
|
if (USG_NONE(dev->usage[sidx])) {
|
|
|
|
/* Second Channel is free, now see if it is bound
|
1997-02-03 23:15:07 +00:00
|
|
|
* exclusive too. */
|
1996-01-09 04:13:18 +00:00
|
|
|
if (dev->usage[sidx] & ISDN_USAGE_EXCLUSIVE) {
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: 2nd channel is down and bound\n");
|
|
|
|
#endif
|
|
|
|
/* Yes, swap bindings only, if the original
|
1997-02-03 23:15:07 +00:00
|
|
|
* binding is bound to channel 1 of this driver */
|
1996-01-09 04:13:18 +00:00
|
|
|
if ((p->local.pre_device == di) &&
|
|
|
|
(p->local.pre_channel == 1)) {
|
|
|
|
isdn_net_swapbind(di);
|
|
|
|
swapped = 1;
|
|
|
|
} else {
|
|
|
|
/* ... else iterate next device */
|
|
|
|
p = (isdn_net_dev *) p->next;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: 2nd channel is down and unbound\n");
|
|
|
|
#endif
|
|
|
|
/* No, swap always and swap excl-usage also */
|
|
|
|
isdn_net_swap_usage(idx, sidx);
|
|
|
|
isdn_net_swapbind(di);
|
|
|
|
swapped = 2;
|
|
|
|
}
|
|
|
|
/* Now check for exclusive binding again */
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: final check\n");
|
|
|
|
#endif
|
|
|
|
if ((dev->usage[idx] & ISDN_USAGE_EXCLUSIVE) &&
|
|
|
|
((p->local.pre_channel != ch) ||
|
|
|
|
(p->local.pre_device != di))) {
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: final check failed\n");
|
|
|
|
#endif
|
|
|
|
p = (isdn_net_dev *) p->next;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
/* We are already on the second channel, so nothing to do */
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: already on 2nd channel\n");
|
|
|
|
#endif
|
|
|
|
p = (isdn_net_dev *) p->next;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: match2\n");
|
|
|
|
#endif
|
|
|
|
n = p->local.phone[0];
|
|
|
|
if (p->local.flags & ISDN_NET_SECURE) {
|
|
|
|
while (n) {
|
|
|
|
if (isdn_net_wildmat(nr, n->num))
|
|
|
|
break;
|
|
|
|
n = (isdn_net_phone *) n->next;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (n || (!(p->local.flags & ISDN_NET_SECURE))) {
|
|
|
|
isdn_net_local *lp = &(p->local);
|
|
|
|
#ifdef ISDN_DEBUG_NET_ICALL
|
|
|
|
printk(KERN_DEBUG "n_fi: match3\n");
|
|
|
|
#endif
|
|
|
|
/* Here we got an interface matched, now see if it is up.
|
|
|
|
* If not, reject the call actively.
|
|
|
|
*/
|
|
|
|
if (!p->dev.start) {
|
|
|
|
restore_flags(flags);
|
|
|
|
printk(KERN_INFO "%s: incoming call, if down -> rejected\n",
|
|
|
|
lp->name);
|
|
|
|
return 3;
|
|
|
|
}
|
|
|
|
/* Interface is up, now see if it's a slave. If so, see if
|
|
|
|
* it's master and parent slave is online. If not, reject the call.
|
|
|
|
*/
|
|
|
|
if (lp->master) {
|
|
|
|
isdn_net_local *mlp = (isdn_net_local *) lp->master->priv;
|
|
|
|
printk(KERN_DEBUG "ICALLslv: %s\n", lp->name);
|
|
|
|
printk(KERN_DEBUG "master=%s\n", mlp->name);
|
|
|
|
if (mlp->flags & ISDN_NET_CONNECTED) {
|
|
|
|
printk(KERN_DEBUG "master online\n");
|
|
|
|
/* Master is online, find parent-slave (master if first slave) */
|
|
|
|
while (mlp->slave) {
|
|
|
|
if ((isdn_net_local *) mlp->slave->priv == lp)
|
|
|
|
break;
|
|
|
|
mlp = (isdn_net_local *) mlp->slave->priv;
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
printk(KERN_DEBUG "master offline\n");
|
|
|
|
/* Found parent, if it's offline iterate next device */
|
|
|
|
printk(KERN_DEBUG "mlpf: %d\n", mlp->flags & ISDN_NET_CONNECTED);
|
|
|
|
if (!(mlp->flags & ISDN_NET_CONNECTED)) {
|
|
|
|
p = (isdn_net_dev *) p->next;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (lp->flags & ISDN_NET_CALLBACK) {
|
|
|
|
int chi;
|
|
|
|
printk(KERN_DEBUG "%s: call from %s -> %s, start callback\n",
|
|
|
|
lp->name, nr, eaz);
|
|
|
|
if (lp->phone[1]) {
|
|
|
|
/* Grab a free ISDN-Channel */
|
|
|
|
if ((chi = isdn_get_free_channel(ISDN_USAGE_NET, lp->l2_proto,
|
|
|
|
lp->l3_proto,
|
|
|
|
lp->pre_device,
|
|
|
|
lp->pre_channel)) < 0) {
|
1996-02-11 02:22:28 +00:00
|
|
|
printk(KERN_WARNING "isdn_net_find_icall: No channel for %s\n", lp->name);
|
1996-01-09 04:13:18 +00:00
|
|
|
restore_flags(flags);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/* Setup dialstate. */
|
1997-02-03 23:15:07 +00:00
|
|
|
lp->dtimer = 0;
|
1996-04-20 16:28:38 +00:00
|
|
|
lp->dialstate = 11;
|
1996-01-09 04:13:18 +00:00
|
|
|
lp->flags |= ISDN_NET_CONNECTED;
|
|
|
|
/* Connect interface with channel */
|
|
|
|
isdn_net_bind_channel(lp, chi);
|
|
|
|
#ifdef CONFIG_ISDN_PPP
|
|
|
|
if (lp->p_encap == ISDN_NET_ENCAP_SYNCPPP)
|
|
|
|
if (isdn_ppp_bind(lp) < 0) {
|
1996-05-06 11:34:57 +00:00
|
|
|
isdn_net_unbind_channel(lp);
|
1996-01-09 04:13:18 +00:00
|
|
|
restore_flags(flags);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif
|
1996-04-20 16:28:38 +00:00
|
|
|
/* Initiate dialing by returning 2 or 4 */
|
1996-01-09 04:13:18 +00:00
|
|
|
restore_flags(flags);
|
1997-02-03 23:15:07 +00:00
|
|
|
return (lp->flags & ISDN_NET_CBHUP) ? 2 : 4;
|
1996-01-09 04:13:18 +00:00
|
|
|
} else
|
|
|
|
printk(KERN_WARNING "isdn_net: %s: No phone number\n", lp->name);
|
|
|
|
restore_flags(flags);
|
|
|
|
return 0;
|
|
|
|
} else {
|
|
|
|
printk(KERN_DEBUG "%s: call from %s -> %s accepted\n", lp->name, nr,
|
|
|
|
eaz);
|
|
|
|
/* if this interface is dialing, it does it probably on a different
|
|
|
|
device, so free this device */
|
1996-09-23 01:58:11 +00:00
|
|
|
if ((p->local.dialstate == 4) || (p->local.dialstate == 12)) {
|
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1997-02-03 23:15:07 +00:00
|
|
|
if (lp->p_encap == ISDN_NET_ENCAP_SYNCPPP)
|
|
|
|
isdn_ppp_free(lp);
|
1996-09-23 01:58:11 +00:00
|
|
|
#endif
|
1996-01-09 04:13:18 +00:00
|
|
|
isdn_free_channel(p->local.isdn_device, p->local.isdn_channel,
|
|
|
|
ISDN_USAGE_NET);
|
1997-02-03 23:15:07 +00:00
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
dev->usage[idx] &= ISDN_USAGE_EXCLUSIVE;
|
|
|
|
dev->usage[idx] |= ISDN_USAGE_NET;
|
|
|
|
strcpy(dev->num[idx], nr);
|
|
|
|
isdn_info_update();
|
1997-02-03 23:15:07 +00:00
|
|
|
dev->st_netdev[idx] = lp->netdev;
|
1996-01-09 04:13:18 +00:00
|
|
|
p->local.isdn_device = di;
|
|
|
|
p->local.isdn_channel = ch;
|
1996-08-12 16:24:32 +00:00
|
|
|
p->local.ppp_slot = -1;
|
1996-01-09 04:13:18 +00:00
|
|
|
p->local.flags |= ISDN_NET_CONNECTED;
|
|
|
|
p->local.dialstate = 7;
|
|
|
|
p->local.dtimer = 0;
|
|
|
|
p->local.outgoing = 0;
|
|
|
|
p->local.huptimer = 0;
|
1997-01-17 01:19:30 +00:00
|
|
|
p->local.hupflags |= ISDN_WAITCHARGE;
|
1997-02-03 23:15:07 +00:00
|
|
|
p->local.hupflags &= ~ISDN_HAVECHARGE;
|
1996-01-09 04:13:18 +00:00
|
|
|
#ifdef CONFIG_ISDN_PPP
|
|
|
|
if (lp->p_encap == ISDN_NET_ENCAP_SYNCPPP)
|
|
|
|
if (isdn_ppp_bind(lp) < 0) {
|
1996-05-06 11:34:57 +00:00
|
|
|
isdn_net_unbind_channel(lp);
|
1996-01-09 04:13:18 +00:00
|
|
|
restore_flags(flags);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
restore_flags(flags);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
p = (isdn_net_dev *) p->next;
|
|
|
|
}
|
|
|
|
/* If none of configured EAZ/MSN matched and not verbose, be silent */
|
|
|
|
if (ematch || dev->net_verbose)
|
|
|
|
printk(KERN_INFO "isdn_net: call from %s -> %d %s ignored\n", nr, di, eaz);
|
|
|
|
restore_flags(flags);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Search list of net-interfaces for an interface with given name.
|
|
|
|
*/
|
|
|
|
isdn_net_dev *
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_net_findif(char *name)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p = dev->netdev;
|
|
|
|
|
|
|
|
while (p) {
|
|
|
|
if (!strcmp(p->local.name, name))
|
|
|
|
return p;
|
|
|
|
p = (isdn_net_dev *) p->next;
|
|
|
|
}
|
|
|
|
return (isdn_net_dev *) NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Force a net-interface to dial out.
|
|
|
|
* This is called from the userlevel-routine below or
|
|
|
|
* from isdn_net_start_xmit().
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
int
|
|
|
|
isdn_net_force_dial_lp(isdn_net_local * lp)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
if ((!(lp->flags & ISDN_NET_CONNECTED)) && !lp->dialstate) {
|
|
|
|
int chi;
|
|
|
|
if (lp->phone[1]) {
|
|
|
|
ulong flags;
|
|
|
|
save_flags(flags);
|
|
|
|
cli();
|
|
|
|
/* Grab a free ISDN-Channel */
|
|
|
|
if ((chi = isdn_get_free_channel(ISDN_USAGE_NET, lp->l2_proto,
|
1997-02-03 23:15:07 +00:00
|
|
|
lp->l3_proto,
|
|
|
|
lp->pre_device,
|
1996-01-09 04:13:18 +00:00
|
|
|
lp->pre_channel)) < 0) {
|
1996-02-11 02:22:28 +00:00
|
|
|
printk(KERN_WARNING "isdn_net_force_dial: No channel for %s\n", lp->name);
|
1996-01-09 04:13:18 +00:00
|
|
|
restore_flags(flags);
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
|
|
|
lp->dialstate = 1;
|
|
|
|
lp->flags |= ISDN_NET_CONNECTED;
|
|
|
|
/* Connect interface with channel */
|
|
|
|
isdn_net_bind_channel(lp, chi);
|
1996-01-22 05:05:12 +00:00
|
|
|
#ifdef CONFIG_ISDN_PPP
|
|
|
|
if (lp->p_encap == ISDN_NET_ENCAP_SYNCPPP)
|
|
|
|
if (isdn_ppp_bind(lp) < 0) {
|
1996-05-06 11:34:57 +00:00
|
|
|
isdn_net_unbind_channel(lp);
|
|
|
|
restore_flags(flags);
|
|
|
|
return -EAGAIN;
|
1996-01-22 05:05:12 +00:00
|
|
|
}
|
|
|
|
#endif
|
1996-01-09 04:13:18 +00:00
|
|
|
/* Initiate dialing */
|
|
|
|
restore_flags(flags);
|
1996-11-13 02:31:38 +00:00
|
|
|
isdn_net_dial();
|
1996-01-09 04:13:18 +00:00
|
|
|
return 0;
|
|
|
|
} else
|
|
|
|
return -EINVAL;
|
|
|
|
} else
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Force a net-interface to dial out.
|
|
|
|
* This is always called from within userspace (ISDN_IOCTL_NET_DIAL).
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
int
|
1996-01-22 05:05:12 +00:00
|
|
|
isdn_net_force_dial(char *name)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p = isdn_net_findif(name);
|
|
|
|
|
|
|
|
if (!p)
|
|
|
|
return -ENODEV;
|
|
|
|
return (isdn_net_force_dial_lp(&p->local));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
1996-05-18 01:37:19 +00:00
|
|
|
* Allocate a new network-interface and initialize its data structures.
|
1996-01-09 04:13:18 +00:00
|
|
|
*/
|
|
|
|
char *
|
1996-04-20 16:28:38 +00:00
|
|
|
isdn_net_new(char *name, struct device *master)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *netdev;
|
|
|
|
|
|
|
|
/* Avoid creating an existing interface */
|
|
|
|
if (isdn_net_findif(name)) {
|
|
|
|
printk(KERN_WARNING "isdn_net: interface %s already exists\n", name);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if (!(netdev = (isdn_net_dev *) kmalloc(sizeof(isdn_net_dev), GFP_KERNEL))) {
|
|
|
|
printk(KERN_WARNING "isdn_net: Could not allocate net-device\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
memset(netdev, 0, sizeof(isdn_net_dev));
|
|
|
|
if (name == NULL)
|
|
|
|
strcpy(netdev->local.name, " ");
|
|
|
|
else
|
|
|
|
strcpy(netdev->local.name, name);
|
1997-02-03 23:15:07 +00:00
|
|
|
netdev->dev.name = netdev->local.name;
|
|
|
|
netdev->dev.priv = &netdev->local;
|
|
|
|
netdev->dev.init = isdn_net_init;
|
1996-02-11 02:22:28 +00:00
|
|
|
netdev->local.p_encap = ISDN_NET_ENCAP_RAWIP;
|
1996-01-09 04:13:18 +00:00
|
|
|
if (master) {
|
|
|
|
/* Device shall be a slave */
|
|
|
|
struct device *p = (((isdn_net_local *) master->priv)->slave);
|
|
|
|
struct device *q = master;
|
|
|
|
|
|
|
|
netdev->local.master = master;
|
|
|
|
/* Put device at end of slave-chain */
|
|
|
|
while (p) {
|
|
|
|
q = p;
|
|
|
|
p = (((isdn_net_local *) p->priv)->slave);
|
|
|
|
}
|
|
|
|
((isdn_net_local *) q->priv)->slave = &(netdev->dev);
|
|
|
|
q->interrupt = 0;
|
|
|
|
q->tbusy = 0;
|
|
|
|
q->start = master->start;
|
|
|
|
} else {
|
|
|
|
/* Device shall be a master */
|
|
|
|
if (register_netdev(&netdev->dev) != 0) {
|
|
|
|
printk(KERN_WARNING "isdn_net: Could not register net-device\n");
|
|
|
|
kfree(netdev);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
netdev->local.magic = ISDN_NET_MAGIC;
|
|
|
|
|
|
|
|
#ifdef CONFIG_ISDN_PPP
|
1997-02-03 23:15:07 +00:00
|
|
|
netdev->mp_last = NULL; /* mpqueue is empty */
|
1996-01-09 04:13:18 +00:00
|
|
|
netdev->ib.next_num = 0;
|
|
|
|
netdev->ib.last = NULL;
|
|
|
|
#endif
|
|
|
|
netdev->queue = &netdev->local;
|
|
|
|
netdev->local.last = &netdev->local;
|
|
|
|
netdev->local.netdev = netdev;
|
|
|
|
netdev->local.next = &netdev->local;
|
|
|
|
|
|
|
|
netdev->local.isdn_device = -1;
|
|
|
|
netdev->local.isdn_channel = -1;
|
|
|
|
netdev->local.pre_device = -1;
|
|
|
|
netdev->local.pre_channel = -1;
|
|
|
|
netdev->local.exclusive = -1;
|
1996-08-12 16:24:32 +00:00
|
|
|
netdev->local.ppp_slot = -1;
|
1996-04-30 11:10:42 +00:00
|
|
|
netdev->local.pppbind = -1;
|
1997-02-03 23:15:07 +00:00
|
|
|
netdev->local.sav_skb = NULL;
|
|
|
|
netdev->local.first_skb = NULL;
|
1996-01-09 04:13:18 +00:00
|
|
|
netdev->local.l2_proto = ISDN_PROTO_L2_X75I;
|
|
|
|
netdev->local.l3_proto = ISDN_PROTO_L3_TRANS;
|
|
|
|
netdev->local.slavedelay = 10 * HZ;
|
|
|
|
netdev->local.srobin = &netdev->dev;
|
1997-02-03 23:15:07 +00:00
|
|
|
netdev->local.hupflags = ISDN_INHUP; /* Do hangup even on incoming calls */
|
1996-01-09 04:13:18 +00:00
|
|
|
netdev->local.onhtime = 10; /* Default hangup-time for saving costs
|
1997-02-03 23:15:07 +00:00
|
|
|
of those who forget configuring this */
|
1996-01-09 04:13:18 +00:00
|
|
|
netdev->local.dialmax = 1;
|
1997-02-03 23:15:07 +00:00
|
|
|
netdev->local.flags = ISDN_NET_CBHUP; /* Hangup before Callback */
|
|
|
|
netdev->local.cbdelay = 25; /* Wait 5 secs before Callback */
|
1996-01-09 04:13:18 +00:00
|
|
|
/* Put into to netdev-chain */
|
|
|
|
netdev->next = (void *) dev->netdev;
|
|
|
|
dev->netdev = netdev;
|
|
|
|
return netdev->dev.name;
|
|
|
|
}
|
|
|
|
|
|
|
|
char *
|
1996-04-20 16:28:38 +00:00
|
|
|
isdn_net_newslave(char *parm)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
char *p = strchr(parm, ',');
|
|
|
|
isdn_net_dev *n;
|
|
|
|
char newname[10];
|
|
|
|
|
|
|
|
if (p) {
|
|
|
|
/* Slave-Name MUST not be empty */
|
|
|
|
if (!strlen(p + 1))
|
|
|
|
return NULL;
|
|
|
|
strcpy(newname, p + 1);
|
|
|
|
*p = 0;
|
|
|
|
/* Master must already exist */
|
|
|
|
if (!(n = isdn_net_findif(parm)))
|
|
|
|
return NULL;
|
|
|
|
/* Master must be a real interface, not a slave */
|
|
|
|
if (n->local.master)
|
|
|
|
return NULL;
|
|
|
|
return (isdn_net_new(newname, &(n->dev)));
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set interface-parameters.
|
1996-04-20 16:28:38 +00:00
|
|
|
* Always set all parameters, so the user-level application is responsible
|
1996-01-09 04:13:18 +00:00
|
|
|
* for not overwriting existing setups. It has to get the current
|
|
|
|
* setup first, if only selected parameters are to be changed.
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
int
|
|
|
|
isdn_net_setcfg(isdn_net_ioctl_cfg * cfg)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p = isdn_net_findif(cfg->name);
|
|
|
|
ulong features;
|
|
|
|
int i;
|
|
|
|
int drvidx;
|
|
|
|
int chidx;
|
|
|
|
char drvid[25];
|
|
|
|
|
|
|
|
if (p) {
|
|
|
|
/* See if any registered driver supports the features we want */
|
|
|
|
features = (1 << cfg->l2_proto) | (256 << cfg->l3_proto);
|
|
|
|
for (i = 0; i < ISDN_MAX_DRIVERS; i++)
|
|
|
|
if (dev->drv[i])
|
|
|
|
if ((dev->drv[i]->interface->features & features) == features)
|
|
|
|
break;
|
|
|
|
if (i == ISDN_MAX_DRIVERS) {
|
|
|
|
printk(KERN_WARNING "isdn_net: No driver with selected features\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
if (p->local.p_encap != cfg->p_encap)
|
|
|
|
if (p->dev.start) {
|
|
|
|
printk(KERN_WARNING
|
|
|
|
"%s: cannot change encap when if is up\n",
|
|
|
|
p->local.name);
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
if (cfg->p_encap == ISDN_NET_ENCAP_SYNCPPP) {
|
1996-09-23 01:58:11 +00:00
|
|
|
#ifndef CONFIG_ISDN_PPP
|
1997-02-03 23:15:07 +00:00
|
|
|
printk(KERN_WARNING "%s: SyncPPP support not configured\n",
|
|
|
|
p->local.name);
|
|
|
|
return -EINVAL;
|
1996-09-23 01:58:11 +00:00
|
|
|
#else
|
1997-02-03 23:15:07 +00:00
|
|
|
p->dev.type = ARPHRD_PPP; /* change ARP type */
|
|
|
|
p->dev.addr_len = 0;
|
1996-02-11 02:22:28 +00:00
|
|
|
#endif
|
1997-02-03 23:15:07 +00:00
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
if (strlen(cfg->drvid)) {
|
|
|
|
/* A bind has been requested ... */
|
1997-02-03 23:15:07 +00:00
|
|
|
char *c,
|
|
|
|
*e;
|
1996-01-09 04:13:18 +00:00
|
|
|
|
|
|
|
drvidx = -1;
|
|
|
|
chidx = -1;
|
|
|
|
strcpy(drvid, cfg->drvid);
|
|
|
|
if ((c = strchr(drvid, ','))) {
|
|
|
|
/* The channel-number is appended to the driver-Id with a comma */
|
1997-02-03 23:15:07 +00:00
|
|
|
chidx = (int) simple_strtoul(c + 1, &e, 10);
|
1996-01-22 05:05:12 +00:00
|
|
|
if (e == c)
|
|
|
|
chidx = -1;
|
1996-01-09 04:13:18 +00:00
|
|
|
*c = '\0';
|
|
|
|
}
|
|
|
|
for (i = 0; i < ISDN_MAX_DRIVERS; i++)
|
|
|
|
/* Lookup driver-Id in array */
|
|
|
|
if (!(strcmp(dev->drvid[i], drvid))) {
|
|
|
|
drvidx = i;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if ((drvidx == -1) || (chidx == -1))
|
|
|
|
/* Either driver-Id or channel-number invalid */
|
|
|
|
return -ENODEV;
|
|
|
|
} else {
|
|
|
|
/* Parameters are valid, so get them */
|
|
|
|
drvidx = p->local.pre_device;
|
|
|
|
chidx = p->local.pre_channel;
|
|
|
|
}
|
|
|
|
if (cfg->exclusive > 0) {
|
|
|
|
int flags;
|
|
|
|
|
|
|
|
/* If binding is exclusive, try to grab the channel */
|
|
|
|
save_flags(flags);
|
|
|
|
if ((i = isdn_get_free_channel(ISDN_USAGE_NET, p->local.l2_proto,
|
1997-02-03 23:15:07 +00:00
|
|
|
p->local.l3_proto,
|
|
|
|
drvidx,
|
|
|
|
chidx)) < 0) {
|
1996-01-09 04:13:18 +00:00
|
|
|
/* Grab failed, because desired channel is in use */
|
|
|
|
p->local.exclusive = -1;
|
|
|
|
restore_flags(flags);
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
/* All went ok, so update isdninfo */
|
|
|
|
dev->usage[i] = ISDN_USAGE_EXCLUSIVE;
|
|
|
|
isdn_info_update();
|
|
|
|
restore_flags(flags);
|
|
|
|
p->local.exclusive = i;
|
|
|
|
} else {
|
|
|
|
/* Non-exclusive binding or unbind. */
|
|
|
|
p->local.exclusive = -1;
|
|
|
|
if ((p->local.pre_device != -1) && (cfg->exclusive == -1)) {
|
|
|
|
isdn_unexclusive_channel(p->local.pre_device, p->local.pre_channel);
|
1997-02-03 23:15:07 +00:00
|
|
|
isdn_free_channel(p->local.pre_device, p->local.pre_channel, ISDN_USAGE_NET);
|
1996-01-09 04:13:18 +00:00
|
|
|
drvidx = -1;
|
|
|
|
chidx = -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
strcpy(p->local.msn, cfg->eaz);
|
1997-02-03 23:15:07 +00:00
|
|
|
p->local.pre_device = drvidx;
|
1996-01-09 04:13:18 +00:00
|
|
|
p->local.pre_channel = chidx;
|
1997-02-03 23:15:07 +00:00
|
|
|
p->local.onhtime = cfg->onhtime;
|
|
|
|
p->local.charge = cfg->charge;
|
|
|
|
p->local.l2_proto = cfg->l2_proto;
|
|
|
|
p->local.l3_proto = cfg->l3_proto;
|
|
|
|
p->local.cbdelay = cfg->cbdelay;
|
|
|
|
p->local.dialmax = cfg->dialmax;
|
|
|
|
p->local.slavedelay = cfg->slavedelay * HZ;
|
|
|
|
p->local.pppbind = cfg->pppbind;
|
1996-01-09 04:13:18 +00:00
|
|
|
if (cfg->secure)
|
|
|
|
p->local.flags |= ISDN_NET_SECURE;
|
|
|
|
else
|
|
|
|
p->local.flags &= ~ISDN_NET_SECURE;
|
1996-04-20 16:28:38 +00:00
|
|
|
if (cfg->cbhup)
|
|
|
|
p->local.flags |= ISDN_NET_CBHUP;
|
1996-01-09 04:13:18 +00:00
|
|
|
else
|
1996-04-20 16:28:38 +00:00
|
|
|
p->local.flags &= ~ISDN_NET_CBHUP;
|
|
|
|
switch (cfg->callback) {
|
1997-02-03 23:15:07 +00:00
|
|
|
case 0:
|
|
|
|
p->local.flags &= ~(ISDN_NET_CALLBACK | ISDN_NET_CBOUT);
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
p->local.flags |= ISDN_NET_CALLBACK;
|
|
|
|
p->local.flags &= ~ISDN_NET_CBOUT;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
p->local.flags |= ISDN_NET_CBOUT;
|
|
|
|
p->local.flags &= ~ISDN_NET_CALLBACK;
|
|
|
|
break;
|
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
if (cfg->chargehup)
|
1997-01-17 01:19:30 +00:00
|
|
|
p->local.hupflags |= ISDN_CHARGEHUP;
|
1996-01-09 04:13:18 +00:00
|
|
|
else
|
1997-01-17 01:19:30 +00:00
|
|
|
p->local.hupflags &= ~ISDN_CHARGEHUP;
|
1996-01-09 04:13:18 +00:00
|
|
|
if (cfg->ihup)
|
1997-01-17 01:19:30 +00:00
|
|
|
p->local.hupflags |= ISDN_INHUP;
|
1996-01-09 04:13:18 +00:00
|
|
|
else
|
1997-01-17 01:19:30 +00:00
|
|
|
p->local.hupflags &= ~ISDN_INHUP;
|
|
|
|
if (cfg->chargeint > 10) {
|
|
|
|
p->local.hupflags |= ISDN_CHARGEHUP | ISDN_HAVECHARGE | ISDN_MANCHARGE;
|
|
|
|
p->local.chargeint = cfg->chargeint * HZ;
|
|
|
|
}
|
1996-04-20 16:28:38 +00:00
|
|
|
if (cfg->p_encap != p->local.p_encap) {
|
1997-02-03 23:15:07 +00:00
|
|
|
if (cfg->p_encap == ISDN_NET_ENCAP_RAWIP) {
|
|
|
|
p->dev.hard_header = NULL;
|
|
|
|
#if (LINUX_VERSION_CODE < 0x02010F)
|
|
|
|
p->dev.header_cache_bind = NULL;
|
|
|
|
#else
|
|
|
|
p->dev.hard_header_cache = NULL;
|
|
|
|
#endif
|
|
|
|
p->dev.header_cache_update = NULL;
|
|
|
|
p->dev.flags = IFF_NOARP;
|
|
|
|
} else {
|
|
|
|
p->dev.hard_header = isdn_net_header;
|
|
|
|
if (cfg->p_encap == ISDN_NET_ENCAP_ETHER) {
|
|
|
|
#if (LINUX_VERSION_CODE < 0x02010F)
|
|
|
|
p->dev.header_cache_bind = p->local.org_hcb;
|
|
|
|
#else
|
|
|
|
p->dev.hard_header_cache = p->local.org_hhc;
|
|
|
|
#endif
|
|
|
|
p->dev.header_cache_update = p->local.org_hcu;
|
|
|
|
p->dev.flags = IFF_BROADCAST | IFF_MULTICAST;
|
|
|
|
} else {
|
|
|
|
#if (LINUX_VERSION_CODE < 0x02010F)
|
|
|
|
p->dev.header_cache_bind = NULL;
|
|
|
|
#else
|
|
|
|
p->dev.hard_header_cache = NULL;
|
|
|
|
#endif
|
|
|
|
p->dev.header_cache_update = NULL;
|
|
|
|
p->dev.flags = IFF_NOARP;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
p->local.p_encap = cfg->p_encap;
|
|
|
|
return 0;
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Perform get-interface-parameters.ioctl
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
int
|
|
|
|
isdn_net_getcfg(isdn_net_ioctl_cfg * cfg)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p = isdn_net_findif(cfg->name);
|
|
|
|
|
|
|
|
if (p) {
|
|
|
|
strcpy(cfg->eaz, p->local.msn);
|
|
|
|
cfg->exclusive = p->local.exclusive;
|
|
|
|
if (p->local.pre_device >= 0) {
|
|
|
|
sprintf(cfg->drvid, "%s,%d", dev->drvid[p->local.pre_device],
|
|
|
|
p->local.pre_channel);
|
|
|
|
} else
|
|
|
|
cfg->drvid[0] = '\0';
|
|
|
|
cfg->onhtime = p->local.onhtime;
|
|
|
|
cfg->charge = p->local.charge;
|
|
|
|
cfg->l2_proto = p->local.l2_proto;
|
|
|
|
cfg->l3_proto = p->local.l3_proto;
|
|
|
|
cfg->p_encap = p->local.p_encap;
|
|
|
|
cfg->secure = (p->local.flags & ISDN_NET_SECURE) ? 1 : 0;
|
1996-04-30 21:05:27 +00:00
|
|
|
cfg->callback = 0;
|
1997-02-03 23:15:07 +00:00
|
|
|
if (p->local.flags & ISDN_NET_CALLBACK)
|
|
|
|
cfg->callback = 1;
|
|
|
|
if (p->local.flags & ISDN_NET_CBOUT)
|
|
|
|
cfg->callback = 2;
|
1996-04-20 16:28:38 +00:00
|
|
|
cfg->cbhup = (p->local.flags & ISDN_NET_CBHUP) ? 1 : 0;
|
1996-01-09 04:13:18 +00:00
|
|
|
cfg->chargehup = (p->local.hupflags & 4) ? 1 : 0;
|
|
|
|
cfg->ihup = (p->local.hupflags & 8) ? 1 : 0;
|
1997-02-03 23:15:07 +00:00
|
|
|
cfg->cbdelay = p->local.cbdelay;
|
|
|
|
cfg->dialmax = p->local.dialmax;
|
1996-01-09 04:13:18 +00:00
|
|
|
cfg->slavedelay = p->local.slavedelay / HZ;
|
1997-01-17 01:19:30 +00:00
|
|
|
cfg->chargeint = (p->local.hupflags & ISDN_CHARGEHUP) ?
|
1997-02-03 23:15:07 +00:00
|
|
|
(p->local.chargeint / HZ) : 0;
|
1996-04-30 11:10:42 +00:00
|
|
|
cfg->pppbind = p->local.pppbind;
|
1996-01-09 04:13:18 +00:00
|
|
|
if (p->local.slave)
|
|
|
|
strcpy(cfg->slave, ((isdn_net_local *) p->local.slave->priv)->name);
|
|
|
|
else
|
|
|
|
cfg->slave[0] = '\0';
|
|
|
|
if (p->local.master)
|
|
|
|
strcpy(cfg->master, ((isdn_net_local *) p->local.master->priv)->name);
|
|
|
|
else
|
|
|
|
cfg->master[0] = '\0';
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Add a phone-number to an interface.
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
int
|
|
|
|
isdn_net_addphone(isdn_net_ioctl_phone * phone)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p = isdn_net_findif(phone->name);
|
|
|
|
isdn_net_phone *n;
|
|
|
|
|
|
|
|
if (isdn_net_checkwild(phone->phone) && (phone->outgoing & 1))
|
|
|
|
return -EINVAL;
|
|
|
|
if (p) {
|
|
|
|
if (!(n = (isdn_net_phone *) kmalloc(sizeof(isdn_net_phone), GFP_KERNEL)))
|
|
|
|
return -ENOMEM;
|
|
|
|
strcpy(n->num, phone->phone);
|
|
|
|
n->next = p->local.phone[phone->outgoing & 1];
|
|
|
|
p->local.phone[phone->outgoing & 1] = n;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Return a string of all phone-numbers of an interface.
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
int
|
|
|
|
isdn_net_getphones(isdn_net_ioctl_phone * phone, char *phones)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p = isdn_net_findif(phone->name);
|
|
|
|
int inout = phone->outgoing & 1;
|
|
|
|
int more = 0;
|
|
|
|
int count = 0;
|
|
|
|
isdn_net_phone *n;
|
|
|
|
int flags;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!p)
|
|
|
|
return -ENODEV;
|
|
|
|
save_flags(flags);
|
|
|
|
cli();
|
|
|
|
inout &= 1;
|
1997-02-03 23:15:07 +00:00
|
|
|
for (n = p->local.phone[inout]; n; n = n->next) {
|
1996-01-09 04:13:18 +00:00
|
|
|
if (more) {
|
1996-10-22 23:14:19 +00:00
|
|
|
put_user(' ', phones++);
|
1996-01-09 04:13:18 +00:00
|
|
|
count++;
|
|
|
|
}
|
|
|
|
if ((ret = verify_area(VERIFY_WRITE, (void *) phones, strlen(n->num) + 1))) {
|
|
|
|
restore_flags(flags);
|
|
|
|
return ret;
|
|
|
|
}
|
1996-10-22 23:14:19 +00:00
|
|
|
copy_to_user(phones, n->num, strlen(n->num) + 1);
|
1996-01-09 04:13:18 +00:00
|
|
|
phones += strlen(n->num);
|
|
|
|
count += strlen(n->num);
|
|
|
|
more = 1;
|
|
|
|
}
|
1997-02-03 23:15:07 +00:00
|
|
|
put_user(0, phones);
|
|
|
|
count++;
|
1996-01-09 04:13:18 +00:00
|
|
|
restore_flags(flags);
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Delete a phone-number from an interface.
|
|
|
|
*/
|
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
int
|
|
|
|
isdn_net_delphone(isdn_net_ioctl_phone * phone)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p = isdn_net_findif(phone->name);
|
|
|
|
int inout = phone->outgoing & 1;
|
|
|
|
isdn_net_phone *n;
|
|
|
|
isdn_net_phone *m;
|
|
|
|
|
|
|
|
if (p) {
|
|
|
|
n = p->local.phone[inout];
|
|
|
|
m = NULL;
|
|
|
|
while (n) {
|
|
|
|
if (!strcmp(n->num, phone->phone)) {
|
|
|
|
if (m)
|
|
|
|
m->next = n->next;
|
|
|
|
else
|
|
|
|
p->local.phone[inout] = n->next;
|
|
|
|
kfree(n);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
m = n;
|
|
|
|
n = (isdn_net_phone *) n->next;
|
|
|
|
}
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Delete all phone-numbers of an interface.
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
static int
|
|
|
|
isdn_net_rmallphone(isdn_net_dev * p)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_phone *n;
|
|
|
|
isdn_net_phone *m;
|
|
|
|
int flags;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
save_flags(flags);
|
|
|
|
cli();
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
|
|
n = p->local.phone[i];
|
|
|
|
while (n) {
|
|
|
|
m = n->next;
|
|
|
|
kfree(n);
|
|
|
|
n = m;
|
|
|
|
}
|
|
|
|
p->local.phone[i] = NULL;
|
|
|
|
}
|
|
|
|
restore_flags(flags);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Force a hangup of a network-interface.
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
int
|
|
|
|
isdn_net_force_hangup(char *name)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p = isdn_net_findif(name);
|
|
|
|
struct device *q;
|
|
|
|
|
|
|
|
if (p) {
|
1996-11-13 02:31:38 +00:00
|
|
|
if (p->local.isdn_device < 0)
|
1996-01-09 04:13:18 +00:00
|
|
|
return 1;
|
|
|
|
isdn_net_hangup(&p->dev);
|
|
|
|
q = p->local.slave;
|
|
|
|
/* If this interface has slaves, do a hangup for them also. */
|
|
|
|
while (q) {
|
|
|
|
isdn_net_hangup(q);
|
|
|
|
q = (((isdn_net_local *) q->priv)->slave);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Helper-function for isdn_net_rm: Do the real work.
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
static int
|
|
|
|
isdn_net_realrm(isdn_net_dev * p, isdn_net_dev * q)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
int flags;
|
|
|
|
|
|
|
|
save_flags(flags);
|
|
|
|
cli();
|
|
|
|
if (p->local.master) {
|
|
|
|
/* If it's a slave, it may be removed even if it is busy. However
|
|
|
|
* it has to be hung up first.
|
|
|
|
*/
|
|
|
|
isdn_net_hangup(&p->dev);
|
|
|
|
p->dev.start = 0;
|
|
|
|
}
|
|
|
|
if (p->dev.start) {
|
|
|
|
restore_flags(flags);
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
/* Free all phone-entries */
|
|
|
|
isdn_net_rmallphone(p);
|
|
|
|
/* If interface is bound exclusive, free channel-usage */
|
|
|
|
if (p->local.exclusive != -1)
|
|
|
|
isdn_unexclusive_channel(p->local.pre_device, p->local.pre_channel);
|
|
|
|
if (p->local.master) {
|
|
|
|
/* It's a slave-device, so update master's slave-pointer if necessary */
|
|
|
|
if (((isdn_net_local *) (p->local.master->priv))->slave == &p->dev)
|
|
|
|
((isdn_net_local *) (p->local.master->priv))->slave = p->local.slave;
|
|
|
|
} else
|
|
|
|
/* Unregister only if it's a master-device */
|
|
|
|
unregister_netdev(&p->dev);
|
|
|
|
/* Unlink device from chain */
|
|
|
|
if (q)
|
|
|
|
q->next = p->next;
|
|
|
|
else
|
|
|
|
dev->netdev = p->next;
|
|
|
|
if (p->local.slave) {
|
|
|
|
/* If this interface has a slave, remove it also */
|
|
|
|
char *slavename = ((isdn_net_local *) (p->local.slave->priv))->name;
|
|
|
|
isdn_net_dev *n = dev->netdev;
|
|
|
|
q = NULL;
|
|
|
|
while (n) {
|
|
|
|
if (!strcmp(n->local.name, slavename)) {
|
|
|
|
isdn_net_realrm(n, q);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
q = n;
|
|
|
|
n = (isdn_net_dev *) n->next;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* If no more net-devices remain, disable auto-hangup timer */
|
|
|
|
if (dev->netdev == NULL)
|
|
|
|
isdn_timer_ctrl(ISDN_TIMER_NETHANGUP, 0);
|
|
|
|
restore_flags(flags);
|
1996-01-22 05:05:12 +00:00
|
|
|
|
1996-10-27 20:49:06 +00:00
|
|
|
#ifdef CONFIG_ISDN_MPP
|
1996-05-06 11:34:57 +00:00
|
|
|
isdn_ppp_free_mpqueue(p); /* still necessary? */
|
1996-01-09 04:13:18 +00:00
|
|
|
#endif
|
|
|
|
kfree(p);
|
1996-01-22 05:05:12 +00:00
|
|
|
|
1996-01-09 04:13:18 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Remove a single network-interface.
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
int
|
|
|
|
isdn_net_rm(char *name)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
isdn_net_dev *p;
|
|
|
|
isdn_net_dev *q;
|
|
|
|
|
|
|
|
/* Search name in netdev-chain */
|
|
|
|
p = dev->netdev;
|
|
|
|
q = NULL;
|
|
|
|
while (p) {
|
|
|
|
if (!strcmp(p->local.name, name))
|
|
|
|
return (isdn_net_realrm(p, q));
|
|
|
|
q = p;
|
|
|
|
p = (isdn_net_dev *) p->next;
|
|
|
|
}
|
|
|
|
/* If no more net-devices remain, disable auto-hangup timer */
|
|
|
|
if (dev->netdev == NULL)
|
|
|
|
isdn_timer_ctrl(ISDN_TIMER_NETHANGUP, 0);
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Remove all network-interfaces
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
int
|
|
|
|
isdn_net_rmall(void)
|
1996-01-09 04:13:18 +00:00
|
|
|
{
|
|
|
|
int flags;
|
1996-01-22 05:05:12 +00:00
|
|
|
int ret;
|
1996-01-09 04:13:18 +00:00
|
|
|
|
|
|
|
/* Walk through netdev-chain */
|
|
|
|
save_flags(flags);
|
|
|
|
cli();
|
|
|
|
while (dev->netdev) {
|
|
|
|
if (!dev->netdev->local.master) {
|
|
|
|
/* Remove master-devices only, slaves get removed with their master */
|
1996-01-22 05:05:12 +00:00
|
|
|
if ((ret = isdn_net_realrm(dev->netdev, NULL))) {
|
|
|
|
restore_flags(flags);
|
1997-02-03 23:15:07 +00:00
|
|
|
return ret;
|
1996-01-22 05:05:12 +00:00
|
|
|
}
|
1996-01-09 04:13:18 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
dev->netdev = NULL;
|
|
|
|
restore_flags(flags);
|
|
|
|
return 0;
|
|
|
|
}
|
1996-01-22 05:05:12 +00:00
|
|
|
|
1997-02-03 23:15:07 +00:00
|
|
|
/*
|
1996-05-06 11:34:57 +00:00
|
|
|
* helper function to flush device queues
|
|
|
|
* the better place would be net/core/dev.c
|
|
|
|
*/
|
1997-02-03 23:15:07 +00:00
|
|
|
static void
|
|
|
|
dev_purge_queues(struct device *dev)
|
1996-05-06 11:34:57 +00:00
|
|
|
{
|
|
|
|
int i;
|
1997-02-03 23:15:07 +00:00
|
|
|
for (i = 0; i < DEV_NUMBUFFS; i++) {
|
1996-05-06 11:34:57 +00:00
|
|
|
struct sk_buff *skb;
|
1997-02-03 23:15:07 +00:00
|
|
|
while ((skb = skb_dequeue(&dev->buffs[i])))
|
|
|
|
dev_kfree_skb(skb, FREE_WRITE);
|
|
|
|
}
|
|
|
|
|
1996-05-06 11:34:57 +00:00
|
|
|
}
|