Merge zephyr:src/kernel/v2.5/linux-2.5.isdn

into tp1.ruhr-uni-bochum.de:/home/kai/kernel/v2.5/linux-2.5.isdn

drivers/isdn/i4l/isdn_common.c

@@ -264,8 +264,6 @@ isdn_timer_funct(ulong dummy)
 	if (tf & ISDN_TIMER_SLOW) {
 		if (++isdn_timer_cnt2 >= ISDN_TIMER_1SEC) {
 			isdn_timer_cnt2 = 0;
-			if (tf & ISDN_TIMER_NETHANGUP)
-				isdn_net_autohup();
 			if (++isdn_timer_cnt3 >= ISDN_TIMER_RINGING) {
 				isdn_timer_cnt3 = 0;
 				if (tf & ISDN_TIMER_MODEMRING)
@@ -451,8 +449,6 @@ isdn_status_callback(isdn_ctrl * c)
 		case ISDN_STAT_BSENT:
 			if (i < 0)
 				return -1;
-			if (dev->global_flags & ISDN_GLOBAL_STOPPED)
-				return 0;
 			if (isdn_net_stat_callback(i, c))
 				return 0;
 			if (isdn_v110_stat_callback(&slot[i].iv110, c))
@@ -482,15 +478,11 @@ isdn_status_callback(isdn_ctrl * c)
 			if (i < 0)
 				return -1;
 			dbg_statcallb("ICALL: %d (%d,%ld) %s\n", i, di, c->arg, c->parm.num);
-			if (dev->global_flags & ISDN_GLOBAL_STOPPED) {
-				cmd.driver = di;
-				cmd.arg = c->arg;
-				cmd.command = ISDN_CMD_HANGUP;
-				isdn_command(&cmd);
+			if (dev->global_flags & ISDN_GLOBAL_STOPPED)
 				return 0;
-			}
+
 			/* Try to find a network-interface which will accept incoming call */
-			r = ((c->command == ISDN_STAT_ICALLW) ? 0 : isdn_net_find_icall(di, c->arg, i, &c->parm.setup));
+			r = isdn_net_find_icall(di, c->arg, i, &c->parm.setup);
 			switch (r) {
 				case 0:
 					/* No network-device replies.
@@ -550,8 +542,6 @@ isdn_status_callback(isdn_ctrl * c)
 			if (i < 0)
 				return -1;
 			dbg_statcallb("CINF: %d %s\n", i, c->parm.num);
-			if (dev->global_flags & ISDN_GLOBAL_STOPPED)
-				return 0;
 			if (strcmp(c->parm.num, "0"))
 				isdn_net_stat_callback(i, c);
 			isdn_tty_stat_callback(i, c);
@@ -574,8 +564,6 @@ isdn_status_callback(isdn_ctrl * c)
 			if (i < 0)
 				return -1;
 			dbg_statcallb("DCONN: %d\n", i);
-			if (dev->global_flags & ISDN_GLOBAL_STOPPED)
-				return 0;
 			/* Find any net-device, waiting for D-channel setup */
 			if (isdn_net_stat_callback(i, c))
 				break;
@@ -593,8 +581,6 @@ isdn_status_callback(isdn_ctrl * c)
 			if (i < 0)
 				return -1;
 			dbg_statcallb("DHUP: %d\n", i);
-			if (dev->global_flags & ISDN_GLOBAL_STOPPED)
-				return 0;
 			dev->drv[di]->online &= ~(1 << (c->arg));
 			isdn_info_update();
 			/* Signal hangup to network-devices */
@@ -611,8 +597,6 @@ isdn_status_callback(isdn_ctrl * c)
 				return -1;
 			dbg_statcallb("BCONN: %ld\n", c->arg);
 			/* Signal B-channel-connect to network-devices */
-			if (dev->global_flags & ISDN_GLOBAL_STOPPED)
-				return 0;
 			dev->drv[di]->online |= (1 << (c->arg));
 			isdn_info_update();
 			if (isdn_net_stat_callback(i, c))
@@ -625,8 +609,6 @@ isdn_status_callback(isdn_ctrl * c)
 			if (i < 0)
 				return -1;
 			dbg_statcallb("BHUP: %d\n", i);
-			if (dev->global_flags & ISDN_GLOBAL_STOPPED)
-				return 0;
 			dev->drv[di]->online &= ~(1 << (c->arg));
 			isdn_info_update();
 #ifdef CONFIG_ISDN_X25
@@ -642,8 +624,6 @@ isdn_status_callback(isdn_ctrl * c)
 			if (i < 0)
 				return -1;
 			dbg_statcallb("NODCH: %ld\n", c->arg);
-			if (dev->global_flags & ISDN_GLOBAL_STOPPED)
-				return 0;
 			if (isdn_net_stat_callback(i, c))
 				break;
 			if (isdn_tty_stat_callback(i, c))
@@ -1397,12 +1377,12 @@ isdn_ctrl_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
 		printk(KERN_INFO "isdn: Verbose-Level is %d\n", dev->net_verbose);
 		return 0;
 	case IIOCSETGST:
-		if (arg)
+		if (arg) {
 			dev->global_flags |= ISDN_GLOBAL_STOPPED;
-		else
+			isdn_net_hangup_all();
+		} else {
 			dev->global_flags &= ~ISDN_GLOBAL_STOPPED;
-		printk(KERN_INFO "isdn: Global Mode %s\n",
-		       (dev->global_flags & ISDN_GLOBAL_STOPPED) ? "stopped" : "running");
+		}
 		return 0;
 	case IIOCSETBRJ:
 		drvidx = -1;
@@ -1619,8 +1599,9 @@ static struct file_operations isdn_ctrl_fops =
 	.release	= isdn_ctrl_release,
 };
 
+
 /*
- * file_operations for major 43, /dev/isdn*
+ * file_operations for major 45, /dev/isdn*
  * stolen from drivers/char/misc.c
  */
 
@@ -2119,14 +2100,20 @@ isdn_slot_map_eaz2msn(int sl, char *msn)
 int
 isdn_slot_command(int sl, int cmd, isdn_ctrl *ctrl)
 {
+
 	ctrl->command = cmd;
 	ctrl->driver = isdn_slot_driver(sl);
+
 	switch (cmd) {
 	case ISDN_CMD_SETL2:
 	case ISDN_CMD_SETL3:
 	case ISDN_CMD_PROT_IO:
 		ctrl->arg &= ~0xff; ctrl->arg |= isdn_slot_channel(sl);
 		break;
+	case ISDN_CMD_DIAL:
+		if (dev->global_flags & ISDN_GLOBAL_STOPPED)
+			return -EBUSY;
+		/* fall through */
 	default:
 		ctrl->arg = isdn_slot_channel(sl);
 		break;

drivers/isdn/i4l/isdn_net.h

@@ -41,8 +41,8 @@ extern int isdn_net_getphones(isdn_net_ioctl_phone *, char *);
 extern int isdn_net_getpeer(isdn_net_ioctl_phone *, isdn_net_ioctl_phone *);
 extern int isdn_net_delphone(isdn_net_ioctl_phone *);
 extern int isdn_net_find_icall(int, int, int, setup_parm *);
-extern void isdn_net_hangup(struct net_device *);
-extern void isdn_net_autohup(void);
+extern void isdn_net_hangup(isdn_net_local *);
+extern void isdn_net_hangup_all(void);
 extern int isdn_net_force_hangup(char *);
 extern int isdn_net_force_dial(char *);
 extern isdn_net_dev *isdn_net_findif(char *);

drivers/isdn/i4l/isdn_ppp.c

@@ -19,10 +19,6 @@
 #include "isdn_ppp.h"
 #include "isdn_net.h"
 
-#ifndef PPP_IPX
-#define PPP_IPX 0x002b
-#endif
-
 /* Prototypes */
 static int isdn_ppp_fill_rq(unsigned char *buf, int len, int proto, int slot);
 static int isdn_ppp_closewait(int slot);
@@ -348,20 +344,13 @@ isdn_ppp_release(struct inode *ino, struct file *file)
 		printk(KERN_DEBUG "ippp: release, minor: %d %lx\n", minor, (long) is->lp);
 
 	if (is->lp) {           /* a lp address says: this link is still up */
-		isdn_net_dev *p = is->lp->netdev;
-
- 		if (!p) {
- 			printk(KERN_ERR "%s: no lp->netdev\n", __FUNCTION__ );
-			unlock_kernel();
- 			return 0;
- 		}
-		is->state &= ~IPPP_CONNECT;	/* -> effect: no call of wakeup */
 		/*
 		 * isdn_net_hangup() calls isdn_ppp_free()
 		 * isdn_ppp_free() sets is->lp to NULL and lp->ppp_slot to -1
 		 * removing the IPPP_CONNECT flag omits calling of isdn_ppp_wakeup_daemon()
 		 */
-		isdn_net_hangup(&p->dev);
+		is->state &= ~IPPP_CONNECT;
+		isdn_net_hangup(is->lp);
 	}
 	for (i = 0; i < NUM_RCV_BUFFS; i++) {
 		if (is->rq[i].buf) {
@@ -424,8 +413,6 @@ get_arg(void *b, void *val, int len)
 static int
 set_arg(void *b, void *val,int len)
 {
-	if(len <= 0)
-		len = sizeof(void *);
 	if (copy_to_user(b, (void *) val, len))
 		return -EFAULT;
 	return 0;
@@ -571,13 +558,18 @@ isdn_ppp_ioctl(struct inode *ino, struct file *file, unsigned int cmd, unsigned
 			return isdn_ppp_set_compressor(is, &data);
 		case PPPIOCGCALLINFO:
 			{
+				struct isdn_net_phone *phone;
 				struct pppcallinfo pci;
+				int i;
 				memset((char *) &pci,0,sizeof(struct pppcallinfo));
-				if(lp)
-				{
+				if(lp) {
 					strncpy(pci.local_num,lp->msn,63);
-					if(lp->dial) {
-						strncpy(pci.remote_num,lp->dial->num,63);
+					i = 0;
+					list_for_each_entry(phone, &lp->phone[1], list) {
+						if (i++ == lp->dial) {
+							strncpy(pci.remote_num,phone->num,63);
+							break;
+						}
 					}
 					pci.charge_units = lp->charge;
 					if(lp->outgoing)
@@ -2003,7 +1995,7 @@ isdn_ppp_hangup_slave(char *name)
 {
 #ifdef CONFIG_ISDN_MPP
 	isdn_net_dev *ndev;
-	isdn_net_local *lp;
+	isdn_net_local *lp, *mlp = NULL;
 	struct net_device *sdev;
 
 	if (!(ndev = isdn_net_findif(name)))
@@ -2014,7 +2006,7 @@ isdn_ppp_hangup_slave(char *name)
 
 	sdev = lp->slave;
 	while (sdev) {
-		isdn_net_local *mlp = (isdn_net_local *) sdev->priv;
+		mlp = (isdn_net_local *) sdev->priv;
 
 		if (mlp->slave) { /* find last connected link in chain */
 			isdn_net_local *nlp = (isdn_net_local *) mlp->slave->priv;
@@ -2029,7 +2021,7 @@ isdn_ppp_hangup_slave(char *name)
 	if (!sdev)
 		return 2;
 
-	isdn_net_hangup(sdev);
+	isdn_net_hangup(mlp);
 	return 0;
 #else
 	return -1;

include/linux/isdn.h

@@ -245,12 +245,10 @@ typedef struct {
 #define ISDN_TIMER_MODEMPLUS   2
 #define ISDN_TIMER_MODEMRING   4
 #define ISDN_TIMER_MODEMXMIT   8
-#define ISDN_TIMER_NETHANGUP  32
 #define ISDN_TIMER_CARRIER   256 /* Wait for Carrier */
 #define ISDN_TIMER_FAST      (ISDN_TIMER_MODEMREAD | ISDN_TIMER_MODEMPLUS | \
                               ISDN_TIMER_MODEMXMIT)
-#define ISDN_TIMER_SLOW      (ISDN_TIMER_MODEMRING | ISDN_TIMER_NETHANGUP | \
-                              ISDN_TIMER_CARRIER)
+#define ISDN_TIMER_SLOW      (ISDN_TIMER_MODEMRING | ISDN_TIMER_CARRIER)
 
 /* GLOBAL_FLAGS */
 #define ISDN_GLOBAL_STOPPED 1
@@ -267,10 +265,10 @@ typedef struct {
 #define ISDN_NET_MAGIC      0x49344C02 /* for paranoia-checking             */
 
 /* Phone-list-element */
-typedef struct {
-  void *next;
-  char num[ISDN_MSNLEN];
-} isdn_net_phone;
+struct isdn_net_phone {
+	struct list_head list;
+	char num[ISDN_MSNLEN];
+};
 
 /*
    Principles when extending structures for generic encapsulation protocol
@@ -283,11 +281,13 @@ typedef struct {
 
 /* Local interface-data */
 typedef struct isdn_net_local_s {
+  spinlock_t             lock;
   ulong                  magic;
   char                   name[10];     /* Name of device                   */
-  struct timer_list      dial_timer;   /* dial timeout                     */
+  struct timer_list      dial_timer;   /* dial events timer                */
   int                    dial_event;   /* event in case of timer expiry    */
   struct net_device_stats stats;       /* Ethernet Statistics              */
+  struct timer_list      hup_timer;    /* auto hangup timer                */
   int                    isdn_slot;    /* Index to isdn device/channel     */
   int			 ppp_slot;     /* PPPD device slot number          */
   int                    pre_device;   /* Preselected isdn-device          */
@@ -335,10 +335,10 @@ typedef struct isdn_net_local_s {
   ulong                  sqfull_stamp; /* Start-Time of overload           */
   ulong                  slavedelay;   /* Dynamic bundling delaytime       */
   int                    triggercps;   /* BogoCPS needed for trigger slave */
-  isdn_net_phone         *phone[2];    /* List of remote-phonenumbers      */
+  struct list_head       phone[2];     /* List of remote-phonenumbers      */
 				       /* phone[0] = Incoming Numbers      */
 				       /* phone[1] = Outgoing Numbers      */
-  isdn_net_phone         *dial;        /* Pointer to dialed number         */
+  int                    dial;         /* # of phone number just dialed    */
   struct net_device      *master;      /* Ptr to Master device for slaves  */
   struct net_device      *slave;       /* Ptr to Slave device for masters  */
   struct isdn_net_local_s *next;       /* Ptr to next link in bundle       */