ISDN: Move more slot-specific data into the per-slot struct

drivers/isdn/i4l/isdn_common.c

@@ -44,11 +44,20 @@ MODULE_LICENSE("GPL");
 
 isdn_dev *dev;
 
-static struct {
-  int di;    /* driver index */
-  int ch;    /* channel index (per driver */
-  int usage; /* how is it used */
-} slot[ISDN_MAX_CHANNELS];
+struct isdn_slot {
+	int               di;                  /* driver index               */
+	int               ch;                  /* channel index (per driver) */
+	int               usage;               /* how is it used             */
+	char              num[ISDN_MSNLEN];    /* the current phone number   */
+	unsigned long     ibytes;              /* Statistics incoming bytes  */
+	unsigned long     obytes;              /* Statistics outgoing bytes  */
+	struct isdn_v110  iv110;               /* For V.110                  */
+	int               m_idx;               /* Index for mdm....          */
+	isdn_net_dev      *rx_netdev;          /* rx netdev-pointers         */
+	isdn_net_dev      *st_netdev;          /* stat netdev-pointers       */
+};
+
+static struct isdn_slot slot[ISDN_MAX_CHANNELS]; 
 
 static char *isdn_revision = "$Revision: 1.114.6.16 $";
 
@@ -324,7 +333,7 @@ isdn_receive_skb_callback(int di, int channel, struct sk_buff *skb)
 		return;
 	}
 	/* Update statistics */
-	dev->ibytes[i] += skb->len;
+	slot[i].ibytes += skb->len;
 	
 	/* First, try to deliver data to network-device */
 	if (isdn_net_rcv_skb(i, skb))
@@ -334,10 +343,10 @@ isdn_receive_skb_callback(int di, int channel, struct sk_buff *skb)
 	 * makes sense for async streams only, so it is
 	 * called after possible net-device delivery.
 	 */
-	if (dev->v110[i]) {
-		atomic_inc(&dev->v110use[i]);
-		skb = isdn_v110_decode(dev->v110[i], skb);
-		atomic_dec(&dev->v110use[i]);
+	if (slot[i].iv110.v110) {
+		atomic_inc(&slot[i].iv110.v110use);
+		skb = isdn_v110_decode(slot[i].iv110.v110, skb);
+		atomic_dec(&slot[i].iv110.v110use);
 		if (!skb)
 			return;
 	}
@@ -381,11 +390,11 @@ isdn_command(isdn_ctrl *cmd)
 			 * Layer-2 to transparent
 			 */
 				if (!(features & l2_feature)) {
-					dev->v110emu[idx] = l2prot;
+					slot[idx].iv110.v110emu = l2prot;
 					cmd->arg = (cmd->arg & 255) |
 						(ISDN_PROTO_L2_TRANS << 8);
 				} else
-					dev->v110emu[idx] = 0;
+					slot[idx].iv110.v110emu = 0;
 		}
 	}
 	return dev->drv[cmd->driver]->interface->command(cmd);
@@ -435,7 +444,7 @@ isdn_status_callback(isdn_ctrl * c)
 				return 0;
 			if (isdn_net_stat_callback(i, c))
 				return 0;
-			if (isdn_v110_stat_callback(i, c))
+			if (isdn_v110_stat_callback(&slot[i].iv110, c))
 				return 0;
 			if (isdn_tty_stat_callback(i, c))
 				return 0;
@@ -578,7 +587,7 @@ isdn_status_callback(isdn_ctrl * c)
 			/* Find any net-device, waiting for D-channel setup */
 			if (isdn_net_stat_callback(i, c))
 				break;
-			isdn_v110_stat_callback(i, c);
+			isdn_v110_stat_callback(&slot[i].iv110, c);
 			/* Find any ttyI, waiting for D-channel setup */
 			if (isdn_tty_stat_callback(i, c)) {
 				cmd.driver = di;
@@ -601,7 +610,7 @@ isdn_status_callback(isdn_ctrl * c)
 			/* Signal hangup to network-devices */
 			if (isdn_net_stat_callback(i, c))
 				break;
-			isdn_v110_stat_callback(i, c);
+			isdn_v110_stat_callback(&slot[i].iv110, c);
 			if (isdn_tty_stat_callback(i, c))
 				break;
 #ifdef CONFIG_ISDN_DIVERSION
@@ -623,7 +632,7 @@ isdn_status_callback(isdn_ctrl * c)
 			isdn_info_update();
 			if (isdn_net_stat_callback(i, c))
 				break;
-			isdn_v110_stat_callback(i, c);
+			isdn_v110_stat_callback(&slot[i].iv110, c);
 			if (isdn_tty_stat_callback(i, c))
 				break;
 			break;
@@ -642,7 +651,7 @@ isdn_status_callback(isdn_ctrl * c)
 			if (isdn_net_stat_callback(i, c))
 				break;
 #endif
-			isdn_v110_stat_callback(i, c);
+			isdn_v110_stat_callback(&slot[i].iv110, c);
 			if (isdn_tty_stat_callback(i, c))
 				break;
 			break;
@@ -914,7 +923,7 @@ isdn_statstr(void)
 	sprintf(p, "\nphone:\t");
 	p = istatbuf + strlen(istatbuf);
 	for (i = 0; i < ISDN_MAX_CHANNELS; i++) {
-		sprintf(p, "%s ", dev->num[i]);
+		sprintf(p, "%s ", isdn_slot_num(i));
 		p = istatbuf + strlen(istatbuf);
 	}
 	sprintf(p, "\n");
@@ -1071,8 +1080,8 @@ isdn_status_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
 					       sizeof(ulong) * ISDN_MAX_CHANNELS * 2)))
 				return ret;
 			for (i = 0; i < ISDN_MAX_CHANNELS; i++) {
-				put_user(dev->ibytes[i], p++);
-				put_user(dev->obytes[i], p++);
+				put_user(slot[i].ibytes, p++);
+				put_user(slot[i].obytes, p++);
 			}
 			return 0;
 		} else
@@ -1719,7 +1728,7 @@ isdn_map_eaz2msn(char *msn, int di)
 
 int
 isdn_get_free_slot(int usage, int l2_proto, int l3_proto,
-		   int pre_dev,int pre_chan, char *msn)
+		   int pre_dev, int pre_chan, char *msn)
 {
 	int i;
 	ulong flags;
@@ -1786,14 +1795,14 @@ isdn_slot_free(int sl, int usage)
 	save_flags(flags);
 	cli();
 	if (!usage || (slot[sl].usage & ISDN_USAGE_MASK) == usage) {
-		strcpy(dev->num[sl], "???");
-		dev->ibytes[sl] = 0;
-		dev->obytes[sl] = 0;
+		strcpy(isdn_slot_num(sl), "???");
+		slot[sl].ibytes = 0;
+		slot[sl].obytes = 0;
 // 20.10.99 JIM, try to reinitialize v110 !
-		dev->v110emu[sl] = 0;
-		atomic_set(&(dev->v110use[sl]), 0);
-		isdn_v110_close(dev->v110[sl]);
-		dev->v110[sl] = NULL;
+		slot[sl].iv110.v110emu = 0;
+		atomic_set(&slot[sl].iv110.v110use, 0);
+		isdn_v110_close(slot[sl].iv110.v110);
+		slot[sl].iv110.v110 = NULL;
 // 20.10.99 JIM, try to reinitialize v110 !
 		isdn_slot_set_usage(sl, isdn_slot_usage(sl) & (ISDN_USAGE_NONE | ISDN_USAGE_EXCLUSIVE));
 		skb_queue_purge(&dev->drv[isdn_slot_driver(sl)]->rpqueue[isdn_slot_channel(sl)]);
@@ -1836,10 +1845,10 @@ isdn_slot_write(int sl, struct sk_buff *skb)
 
 	BUG_ON(sl < 0);
 
-	if (dev->v110[sl]) {
-		atomic_inc(&dev->v110use[sl]);
-		nskb = isdn_v110_encode(dev->v110[sl], skb);
-		atomic_dec(&dev->v110use[sl]);
+	if (slot[sl].iv110.v110) {
+		atomic_inc(&slot[sl].iv110.v110use);
+		nskb = isdn_v110_encode(slot[sl].iv110.v110, skb);
+		atomic_dec(&slot[sl].iv110.v110use);
 		if (!nskb)
 			return 0;
 		v110_ret = *((int *)nskb->data);
@@ -1878,11 +1887,11 @@ isdn_slot_write(int sl, struct sk_buff *skb)
 		}
 	}
 	if (ret > 0) {
-		dev->obytes[di] += ret;
-		if (dev->v110[sl]) {
-			atomic_inc(&dev->v110use[sl]);
-			dev->v110[sl]->skbuser++;
-			atomic_dec(&dev->v110use[sl]);
+		slot[sl].obytes += ret;
+		if (slot[sl].iv110.v110) {
+			atomic_inc(&slot[sl].iv110.v110use);
+			slot[sl].iv110.v110->skbuser++;
+			atomic_dec(&slot[sl].iv110.v110use);
 			/* For V.110 return unencoded data length */
 			ret = v110_ret;
 			/* if the complete frame was send we free the skb;
@@ -1891,7 +1900,7 @@ isdn_slot_write(int sl, struct sk_buff *skb)
 				dev_kfree_skb(skb);
 		}
 	} else
-		if (dev->v110[sl])
+		if (slot[sl].iv110.v110)
 			dev_kfree_skb(nskb);
 	return ret;
 }
@@ -2183,6 +2192,38 @@ isdn_slot_set_usage(int sl, int usage)
 	isdn_info_update();
 }
 
+void
+isdn_slot_set_rx_netdev(int sl, isdn_net_dev *nd)
+{
+	BUG_ON(sl < 0);
+
+	slot[sl].rx_netdev = nd;
+}
+
+isdn_net_dev *
+isdn_slot_rx_netdev(int sl)
+{
+	BUG_ON(sl < 0);
+
+	return slot[sl].rx_netdev;
+}
+
+void
+isdn_slot_set_st_netdev(int sl, isdn_net_dev *nd)
+{
+	BUG_ON(sl < 0);
+
+	slot[sl].rx_netdev = nd;
+}
+
+isdn_net_dev *
+isdn_slot_st_netdev(int sl)
+{
+	BUG_ON(sl < 0);
+
+	return slot[sl].st_netdev;
+}
+
 /*
  *****************************************************************************
  * And now the modules code.
@@ -2306,8 +2347,8 @@ static int __init isdn_init(void)
 	for (i = 0; i < ISDN_MAX_CHANNELS; i++) {
 		slot[i].di = -1;
 		slot[i].ch = -1;
-		dev->m_idx[i] = -1;
-		strcpy(dev->num[i], "???");
+		slot[i].m_idx = -1;
+		strcpy(isdn_slot_num(i), "???");
 		init_waitqueue_head(&dev->mdm.info[i].open_wait);
 		init_waitqueue_head(&dev->mdm.info[i].close_wait);
 	}

drivers/isdn/i4l/isdn_common.h

@@ -54,3 +54,11 @@ extern int   isdn_slot_driver(int slot);
 extern int   isdn_slot_channel(int slot);
 extern int   isdn_slot_usage(int slot);
 extern void  isdn_slot_set_usage(int slot, int usage);
+extern char *isdn_slot_num(int slot);
+extern int   isdn_slot_m_idx(int slot);
+extern int   isdn_slot_set_m_idx(int slot, int midx);
+extern void  isdn_slot_set_rx_netdev(int sl, isdn_net_dev *nd);
+extern void  isdn_slot_set_st_netdev(int sl, isdn_net_dev *nd);
+extern isdn_net_dev *isdn_slot_rx_netdev(int sl);
+extern isdn_net_dev *isdn_slot_st_netdev(int sl);
+

drivers/isdn/i4l/isdn_net.c

@@ -281,8 +281,8 @@ isdn_net_bind_channel(isdn_net_local * lp, int idx)
 	cli();
 	lp->flags |= ISDN_NET_CONNECTED;
 	lp->isdn_slot = idx;
-	dev->rx_netdev[idx] = lp->netdev;
-	dev->st_netdev[idx] = lp->netdev;
+	isdn_slot_set_rx_netdev(lp->isdn_slot, lp->netdev);
+	isdn_slot_set_st_netdev(lp->isdn_slot, lp->netdev);
 	restore_flags(flags);
 }
 
@@ -306,8 +306,8 @@ isdn_net_unbind_channel(isdn_net_local * lp)
 		qdisc_reset(lp->netdev->dev.qdisc);
 	}
 	lp->dialstate = 0;
-	dev->rx_netdev[lp->isdn_slot] = NULL;
-	dev->st_netdev[lp->isdn_slot] = NULL;
+	isdn_slot_set_rx_netdev(lp->isdn_slot, NULL);
+	isdn_slot_set_st_netdev(lp->isdn_slot, NULL);
 	isdn_slot_free(lp->isdn_slot, ISDN_USAGE_NET);
 	lp->flags &= ~ISDN_NET_CONNECTED;
 	lp->isdn_slot = -1;
@@ -405,7 +405,7 @@ static void isdn_net_lp_disconnected(isdn_net_local *lp)
 int
 isdn_net_stat_callback(int idx, isdn_ctrl *c)
 {
-	isdn_net_dev *p = dev->st_netdev[idx];
+	isdn_net_dev *p = isdn_slot_st_netdev(idx);
 	int cmd = c->command;
 
 	if (p) {
@@ -491,7 +491,7 @@ isdn_net_stat_callback(int idx, isdn_ctrl *c)
 						if (lp->dialstate <= 6)
 							isdn_slot_set_usage(idx, isdn_slot_usage(idx) | ISDN_USAGE_OUTGOING);
 						else
-							dev->rx_netdev[idx] = p;
+							isdn_slot_set_rx_netdev(idx, p);
 						lp->dialstate = 0;
 						isdn_timer_ctrl(ISDN_TIMER_NETHANGUP, 1);
 						if (lp->p_encap == ISDN_NET_ENCAP_CISCOHDLCK)
@@ -696,7 +696,7 @@ isdn_net_dial(void)
 					sprintf(cmd.parm.setup.eazmsn, "%s",
 						isdn_slot_map_eaz2msn(lp->isdn_slot, lp->msn));
 					if (lp->isdn_slot >= 0) {
-						strcpy(dev->num[lp->isdn_slot], cmd.parm.setup.phone);
+						strcpy(isdn_slot_num(lp->isdn_slot), cmd.parm.setup.phone);
 						isdn_slot_set_usage(lp->isdn_slot, isdn_slot_usage(lp->isdn_slot) | ISDN_USAGE_OUTGOING);
 					}
 					printk(KERN_INFO "%s: dialing %d %s... %s\n", lp->name,
@@ -1859,7 +1859,7 @@ isdn_net_receive(struct net_device *ndev, struct sk_buff *skb)
 int
 isdn_net_rcv_skb(int idx, struct sk_buff *skb)
 {
-	isdn_net_dev *p = dev->rx_netdev[idx];
+	isdn_net_dev *p = isdn_slot_rx_netdev(idx);
 
 	if (p) {
 		isdn_net_local *lp = p->local;
@@ -2403,9 +2403,9 @@ p = dev->netdev;
 						isdn_slot_free(lp->isdn_slot,
 							 ISDN_USAGE_NET);
 					}
-					strcpy(dev->num[idx], nr);
+					strcpy(isdn_slot_num(idx), nr);
 					isdn_slot_set_usage(idx, (isdn_slot_usage(idx) & ISDN_USAGE_EXCLUSIVE) | ISDN_USAGE_NET);
-					dev->st_netdev[idx] = lp->netdev;
+					isdn_slot_set_st_netdev(idx, lp->netdev);
 					lp->isdn_slot = slot;
 					lp->ppp_slot = -1;
 					lp->flags |= ISDN_NET_CONNECTED;
@@ -3022,8 +3022,8 @@ isdn_net_getpeer(isdn_net_ioctl_phone *phone, isdn_net_ioctl_phone *peer)
 	idx = p->local->isdn_slot;
 	if (idx<0) return -ENOTCONN;
 	/* for pre-bound channels, we need this extra check */
-	if ( strncmp(dev->num[idx],"???",3) == 0 ) return -ENOTCONN;
-	strncpy(phone->phone,dev->num[idx],ISDN_MSNLEN);
+	if (strncmp(isdn_slot_num(idx),"???",3) == 0 ) return -ENOTCONN;
+	strncpy(phone->phone,isdn_slot_num(idx),ISDN_MSNLEN);
 	phone->outgoing=USG_OUTGOING(isdn_slot_usage(idx));
 	if ( copy_to_user(peer,phone,sizeof(*peer)) ) return -EFAULT;
 	return 0;

drivers/isdn/i4l/isdn_tty.c

@@ -128,7 +128,7 @@ isdn_tty_readmodem(void)
 	modem_info *info;
 
 	for (i = 0; i < ISDN_MAX_CHANNELS; i++) {
-		if ((midx = dev->m_idx[i]) >= 0) {
+		if ((midx = isdn_slot_m_idx(i)) >= 0) {
 			info = &dev->mdm.info[midx];
 			if (info->online) {
 				r = 0;
@@ -182,7 +182,7 @@ isdn_tty_rcv_skb(int i, int di, int channel, struct sk_buff *skb)
 #endif
 	modem_info *info;
 
-	if ((midx = dev->m_idx[i]) < 0) {
+	if ((midx = isdn_slot_m_idx(i)) < 0) {
 		/* if midx is invalid, packet is not for tty */
 		return 0;
 	}
@@ -657,7 +657,7 @@ isdn_tty_dial(char *n, modem_info * info, atemu * m)
 		isdn_tty_modem_result(RESULT_NO_DIALTONE, info);
 	} else {
 		info->isdn_slot = i;
-		dev->m_idx[i] = info->line;
+		isdn_slot_set_m_idx(i, info->line);
 		info->last_dir = 1;
 		strcpy(info->last_num, n);
 		isdn_slot_set_usage(i, isdn_slot_usage(i) | ISDN_USAGE_OUTGOING);
@@ -683,7 +683,7 @@ isdn_tty_dial(char *n, modem_info * info, atemu * m)
 		cmd.parm.setup.si2 = m->mdmreg[REG_SI2];
 		info->dialing = 1;
 		info->emu.carrierwait = 0;
-		strcpy(dev->num[i], n);
+		strcpy(isdn_slot_num(i), n);
 		isdn_info_update();
 		isdn_slot_command(info->isdn_slot, ISDN_CMD_DIAL, &cmd);
 		isdn_timer_ctrl(ISDN_TIMER_CARRIER, 1);
@@ -754,7 +754,7 @@ isdn_tty_modem_hup(modem_info * info, int local)
 	isdn_slot_all_eaz(slot);
 	info->emu.mdmreg[REG_RINGCNT] = 0;
 	isdn_slot_free(slot, 0);
-	dev->m_idx[slot] = -1;
+	isdn_slot_set_m_idx(slot, -1);
 	info->isdn_slot = -1;
 }
 
@@ -847,7 +847,7 @@ isdn_tty_resume(char *id, modem_info * info, atemu * m)
 		isdn_tty_modem_result(RESULT_NO_DIALTONE, info);
 	} else {
 		info->isdn_slot = i;
-		dev->m_idx[i] = info->line;
+		isdn_slot_set_m_idx(i, info->line);
 		isdn_slot_set_usage(i, isdn_slot_usage(i) | ISDN_USAGE_OUTGOING);
 		info->last_dir = 1;
 //		strcpy(info->last_num, n);
@@ -926,7 +926,7 @@ isdn_tty_send_msg(modem_info * info, atemu * m, char *msg)
 		isdn_tty_modem_result(RESULT_NO_DIALTONE, info);
 	} else {
 		info->isdn_slot = i;
-		dev->m_idx[i] = info->line;
+		isdn_slot_set_m_idx(i, info->line);
 		isdn_slot_set_usage(i, isdn_slot_usage(i) | ISDN_USAGE_OUTGOING);
 		info->last_dir = 1;
 		restore_flags(flags);
@@ -2210,8 +2210,8 @@ isdn_tty_find_icall(int di, int ch, setup_parm *setup)
 					wret = matchret;
 				if (!matchret) {                  /* EAZ is matching */
 					info->isdn_slot = idx;
-					dev->m_idx[idx] = info->line;
-					strcpy(dev->num[idx], nr);
+					isdn_slot_set_m_idx(idx, info->line);
+					strcpy(isdn_slot_num(idx), nr);
 					strcpy(info->emu.cpn, eaz);
 					info->emu.mdmreg[REG_SI1I] = si2bit[si1];
 					info->emu.mdmreg[REG_PLAN] = setup->plan;
@@ -2246,7 +2246,7 @@ isdn_tty_stat_callback(int i, isdn_ctrl *c)
 
 	if (i < 0)
 		return 0;
-	if ((mi = dev->m_idx[i]) >= 0) {
+	if ((mi = isdn_slot_m_idx(i)) >= 0) {
 		info = &dev->mdm.info[mi];
 		switch (c->command) {
                         case ISDN_STAT_CINF:
@@ -2682,7 +2682,7 @@ isdn_tty_modem_result(int code, modem_info * info)
 			    /* print CID, _before_ _every_ ring */
 			    if (!(m->mdmreg[REG_CIDONCE] & BIT_CIDONCE)) {
 				    isdn_tty_at_cout("\r\nCALLER NUMBER: ", info);
-				    isdn_tty_at_cout(dev->num[info->isdn_slot], info);
+				    isdn_tty_at_cout(isdn_slot_num(info->isdn_slot), info);
 				    if (m->mdmreg[REG_CDN] & BIT_CDN) {
 					    isdn_tty_at_cout("\r\nCALLED NUMBER: ", info);
 					    isdn_tty_at_cout(info->emu.cpn, info);
@@ -2711,7 +2711,7 @@ isdn_tty_modem_result(int code, modem_info * info)
 					    (m->mdmreg[REG_RINGCNT] == 1)) {
 						isdn_tty_at_cout("\r\n", info);
 						isdn_tty_at_cout("CALLER NUMBER: ", info);
-						isdn_tty_at_cout(dev->num[info->isdn_slot], info);
+						isdn_tty_at_cout(isdn_slot_num(info->isdn_slot), info);
 						if (m->mdmreg[REG_CDN] & BIT_CDN) {
 							isdn_tty_at_cout("\r\nCALLED NUMBER: ", info);
 							isdn_tty_at_cout(info->emu.cpn, info);
@@ -3223,7 +3223,7 @@ isdn_tty_cmd_ATA(modem_info * info)
 	if (info->msr & UART_MSR_RI) {
 		/* Accept incoming call */
 		info->last_dir = 0;
-		strcpy(info->last_num, dev->num[info->isdn_slot]);
+		strcpy(info->last_num, isdn_slot_num(info->isdn_slot));
 		m->mdmreg[REG_RINGCNT] = 0;
 		info->msr &= ~UART_MSR_RI;
 		l2 = m->mdmreg[REG_L2PROT];
@@ -3936,7 +3936,7 @@ isdn_tty_modem_escape(void)
 
 	for (i = 0; i < ISDN_MAX_CHANNELS; i++)
 		if (USG_MODEM(isdn_slot_usage(i)))
-			if ((midx = dev->m_idx[i]) >= 0) {
+			if ((midx = isdn_slot_m_idx(i)) >= 0) {
 				modem_info *info = &dev->mdm.info[midx];
 				if (info->online) {
 					ton = 1;

drivers/isdn/i4l/isdn_ttyfax.c

@@ -380,10 +380,10 @@ isdn_tty_cmd_FCLASS1(char **p, modem_info * info)
 			PARSE_ERROR1;
 		}
 		info->isdn_slot = i;
-		dev->m_idx[i] = info->line;
+		isdn_slot_set_m_idx(i, info->line);
 		isdn_slot_command(info->isdn_slot, ISDN_CMD_FAXCMD, &c);
 		isdn_slot_free(info->isdn_slot, ISDN_USAGE_FAX);
-		dev->m_idx[info->isdn_slot] = -1;
+		isdn_slot_set_m_idx(i, -1);
 		info->isdn_slot = -1;
 		restore_flags(flags);
 	} else {

drivers/isdn/i4l/isdn_v110.c

@@ -515,14 +515,12 @@ isdn_v110_encode(isdn_v110_stream * v, struct sk_buff *skb)
 }
 
 int
-isdn_v110_stat_callback(int idx, isdn_ctrl * c)
+isdn_v110_stat_callback(struct isdn_v110 *iv110, isdn_ctrl *c)
 {
 	isdn_v110_stream *v = NULL;
 	int i;
 	int ret;
 
-	if (idx < 0)
-		return 0;
 	switch (c->command) {
 		case ISDN_STAT_BSENT:
                         /* Keep the send-queue of the driver filled
@@ -531,9 +529,9 @@ isdn_v110_stat_callback(int idx, isdn_ctrl * c)
 			 * send down an Idle-Frame (or an Sync-Frame, if
 			 * v->SyncInit != 0). 
 			 */
-			if (!(v = dev->v110[idx]))
+			if (!(v = iv110->v110))
 				return 0;
-			atomic_inc(&dev->v110use[idx]);
+			atomic_inc(&iv110->v110use);
 			if (v->skbidle > 0) {
 				v->skbidle--;
 				ret = 1;
@@ -560,38 +558,38 @@ isdn_v110_stat_callback(int idx, isdn_ctrl * c)
 				} else
 					break;
 			}
-			atomic_dec(&dev->v110use[idx]);
+			atomic_dec(&iv110->v110use);
 			return ret;
 		case ISDN_STAT_DHUP:
 		case ISDN_STAT_BHUP:
 			while (1) {
-				atomic_inc(&dev->v110use[idx]);
-				if (atomic_dec_and_test(&dev->v110use[idx])) {
-					isdn_v110_close(dev->v110[idx]);
-					dev->v110[idx] = NULL;
+				atomic_inc(&iv110->v110use);
+				if (atomic_dec_and_test(&iv110->v110use)) {
+					isdn_v110_close(iv110->v110);
+					iv110->v110 = NULL;
 					break;
 				}
 				sti();
 			}
 			break;
 		case ISDN_STAT_BCONN:
-			if (dev->v110emu[idx] && (dev->v110[idx] == NULL)) {
+			if (iv110->v110emu && (iv110->v110 == NULL)) {
 				int hdrlen = dev->drv[c->driver]->interface->hl_hdrlen;
 				int maxsize = dev->drv[c->driver]->interface->maxbufsize;
-				atomic_inc(&dev->v110use[idx]);
-				switch (dev->v110emu[idx]) {
+				atomic_inc(&iv110->v110use);
+				switch (iv110->v110emu) {
 					case ISDN_PROTO_L2_V11096:
-						dev->v110[idx] = isdn_v110_open(V110_9600, hdrlen, maxsize);
+						iv110->v110 = isdn_v110_open(V110_9600, hdrlen, maxsize);
 						break;
 					case ISDN_PROTO_L2_V11019:
-						dev->v110[idx] = isdn_v110_open(V110_19200, hdrlen, maxsize);
+						iv110->v110 = isdn_v110_open(V110_19200, hdrlen, maxsize);
 						break;
 					case ISDN_PROTO_L2_V11038:
-						dev->v110[idx] = isdn_v110_open(V110_38400, hdrlen, maxsize);
+						iv110->v110 = isdn_v110_open(V110_38400, hdrlen, maxsize);
 						break;
 					default:;
 				}
-				if ((v = dev->v110[idx])) {
+				if ((v = iv110->v110)) {
 					while (v->SyncInit) {
 						struct sk_buff *skb = isdn_v110_sync(v);
 						if (dev->drv[c->driver]->interface->writebuf_skb(c->driver, c->arg, 1, skb) <= 0) {
@@ -603,8 +601,8 @@ isdn_v110_stat_callback(int idx, isdn_ctrl * c)
 						v->skbidle++;
 					}
 				} else
-					printk(KERN_WARNING "isdn_v110: Couldn't open stream for chan %d\n", idx);
-				atomic_dec(&dev->v110use[idx]);
+					printk(KERN_WARNING "isdn_v110: Couldn't open stream\n");
+				atomic_dec(&iv110->v110use);
 			}
 			break;
 		default:

drivers/isdn/i4l/isdn_v110.h

@@ -9,8 +9,14 @@
  *
  */
 
-#ifndef _isdn_v110_h_
-#define _isdn_v110_h_
+#ifndef ISDN_V110_H
+#define ISDN_V110_H
+
+struct isdn_v110 {
+  int               v110emu;             /* V.110 emulator-mode 0=none */
+  atomic_t          v110use;             /* Usage-Semaphore for stream */
+  isdn_v110_stream  *v110;               /* V.110 private data         */
+};
 
 /* 
  * isdn_v110_encode will take raw data and encode it using V.110 
@@ -23,7 +29,7 @@ extern struct sk_buff *isdn_v110_encode(isdn_v110_stream *, struct sk_buff *);
  */
 extern struct sk_buff *isdn_v110_decode(isdn_v110_stream *, struct sk_buff *);
 
-extern int isdn_v110_stat_callback(int, isdn_ctrl *);
+extern int isdn_v110_stat_callback(struct isdn_v110 *v110, isdn_ctrl *);
 extern void isdn_v110_close(isdn_v110_stream * v);
 
 #endif

include/linux/isdn.h

@@ -605,21 +605,11 @@ typedef struct isdn_devt {
 	infostruct        *infochain;                /* List of open info-devs.    */
 	wait_queue_head_t info_waitq;               /* Wait-Queue for isdninfo    */
 	struct timer_list timer;		       /* Misc.-function Timer       */
-	char              num[ISDN_MAX_CHANNELS][ISDN_MSNLEN];
-	/* Remote number of active ch.*/
-	int               m_idx[ISDN_MAX_CHANNELS];  /* Index for mdm....          */
 	driver            *drv[ISDN_MAX_DRIVERS];    /* Array of drivers           */
 	isdn_net_dev      *netdev;		       /* Linked list of net-if's    */
 	char              drvid[ISDN_MAX_DRIVERS][20];/* Driver-ID                 */
 	struct task_struct *profd;                   /* For iprofd                 */
 	modem             mdm;		       /* tty-driver-data            */
-	isdn_net_dev      *rx_netdev[ISDN_MAX_CHANNELS]; /* rx netdev-pointers     */
-	isdn_net_dev      *st_netdev[ISDN_MAX_CHANNELS]; /* stat netdev-pointers   */
-	ulong             ibytes[ISDN_MAX_CHANNELS]; /* Statistics incoming bytes  */
-	ulong             obytes[ISDN_MAX_CHANNELS]; /* Statistics outgoing bytes  */
-	int               v110emu[ISDN_MAX_CHANNELS];/* V.110 emulator-mode 0=none */
-	atomic_t          v110use[ISDN_MAX_CHANNELS];/* Usage-Semaphore for stream */
-	isdn_v110_stream  *v110[ISDN_MAX_CHANNELS];  /* V.110 private data         */
 	struct semaphore  sem;                       /* serialize list access*/
 	unsigned long     global_features;
 #ifdef CONFIG_DEVFS_FS