31 static void isdn_ppp_push_higher(isdn_net_dev *net_dev, isdn_net_local *lp,
37 static void isdn_ppp_receive_ccp(isdn_net_dev *net_dev, isdn_net_local *lp,
41 static void isdn_ppp_send_ccp(isdn_net_dev *net_dev, isdn_net_local *lp,
67 static int isdn_ppp_mp_init(isdn_net_local *lp, ippp_bundle *add_to);
68 static void isdn_ppp_mp_receive(isdn_net_dev *net_dev, isdn_net_local *lp,
70 static void isdn_ppp_mp_cleanup(isdn_net_local *lp);
108 isdn_ppp_free(isdn_net_local *lp)  in isdn_ppp_free()  argument
112 	if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {  in isdn_ppp_free()
114 		       __func__, lp->ppp_slot);  in isdn_ppp_free()
119 	spin_lock(&lp->netdev->pb->lock);  in isdn_ppp_free()
121 	isdn_net_rm_from_bundle(lp);  in isdn_ppp_free()
123 	if (lp->netdev->pb->ref_ct == 1)	/* last link in queue? */  in isdn_ppp_free()
124 		isdn_ppp_mp_cleanup(lp);  in isdn_ppp_free()
126 	lp->netdev->pb->ref_ct--;  in isdn_ppp_free()
127 	spin_unlock(&lp->netdev->pb->lock);  in isdn_ppp_free()
129 	if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {  in isdn_ppp_free()
131 		       __func__, lp->ppp_slot);  in isdn_ppp_free()
134 	is = ippp_table[lp->ppp_slot];  in isdn_ppp_free()
136 		isdn_ppp_closewait(lp->ppp_slot);	/* force wakeup on ippp device */  in isdn_ppp_free()
141 		printk(KERN_DEBUG "isdn_ppp_free %d %lx %lx\n", lp->ppp_slot, (long) lp, (long) is->lp);  in isdn_ppp_free()
143 	is->lp = NULL;          /* link is down .. set lp to NULL */  in isdn_ppp_free()
144 	lp->ppp_slot = -1;      /* is this OK ?? */  in isdn_ppp_free()
156 isdn_ppp_bind(isdn_net_local *lp)  in isdn_ppp_bind()  argument
163 	if (lp->pppbind < 0) {  /* device bounded to ippp device ? */  in isdn_ppp_bind()
168 			isdn_net_local *lp = net_dev->local;  in isdn_ppp_bind()  local
169 			if (lp->pppbind >= 0)  in isdn_ppp_bind()
170 				exclusive[lp->pppbind] = 1;  in isdn_ppp_bind()
183 			if (ippp_table[i]->minor == lp->pppbind &&  in isdn_ppp_bind()
195 	unit = isdn_ppp_if_get_unit(lp->netdev->dev->name);  in isdn_ppp_bind()
198 		       lp->netdev->dev->name);  in isdn_ppp_bind()
203 	lp->ppp_slot = i;  in isdn_ppp_bind()
205 	is->lp = lp;  in isdn_ppp_bind()
209 	retval = isdn_ppp_mp_init(lp, NULL);  in isdn_ppp_bind()
214 	retval = lp->ppp_slot;  in isdn_ppp_bind()
226 isdn_ppp_wakeup_daemon(isdn_net_local *lp)  in isdn_ppp_wakeup_daemon()  argument
228 	if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {  in isdn_ppp_wakeup_daemon()
230 		       __func__, lp->ppp_slot);  in isdn_ppp_wakeup_daemon()
233 	ippp_table[lp->ppp_slot]->state = IPPP_OPEN | IPPP_CONNECT | IPPP_NOBLOCK;  in isdn_ppp_wakeup_daemon()
234 	wake_up_interruptible(&ippp_table[lp->ppp_slot]->wq);  in isdn_ppp_wakeup_daemon()
307 	is->lp = NULL;  in isdn_ppp_open()
357 		printk(KERN_DEBUG "ippp: release, minor: %d %lx\n", min, (long) is->lp);  in isdn_ppp_release()
359 	if (is->lp) {           /* a lp address says: this link is still up */  in isdn_ppp_release()
360 		isdn_net_dev *p = is->lp->netdev;  in isdn_ppp_release()
481 	isdn_net_local *lp;  in isdn_ppp_ioctl()  local
486 	lp = is->lp;  in isdn_ppp_ioctl()
513 		if (!lp)  in isdn_ppp_ioctl()
515 		if ((r = set_arg(argp, lp->netdev->dev->name,  in isdn_ppp_ioctl()
516 				 strlen(lp->netdev->dev->name))))  in isdn_ppp_ioctl()
537 			if (lp) {  in isdn_ppp_ioctl()
540 				netif_wake_queue(lp->netdev->dev);  in isdn_ppp_ioctl()
547 		if (lp) {  in isdn_ppp_ioctl()
549 			pidle.xmit_idle = pidle.recv_idle = lp->huptimer;  in isdn_ppp_ioctl()
616 		if (lp)  in isdn_ppp_ioctl()
618 			strncpy(pci.local_num, lp->msn, 63);  in isdn_ppp_ioctl()
619 			if (lp->dial) {  in isdn_ppp_ioctl()
620 				strncpy(pci.remote_num, lp->dial->num, 63);  in isdn_ppp_ioctl()
622 			pci.charge_units = lp->charge;  in isdn_ppp_ioctl()
623 			if (lp->outgoing)  in isdn_ppp_ioctl()
627 			if (lp->flags & ISDN_NET_CALLBACK)  in isdn_ppp_ioctl()
828 	isdn_net_local *lp;  in isdn_ppp_write()  local
838 	lp = is->lp;  in isdn_ppp_write()
842 	if (!lp)  in isdn_ppp_write()
853 			lp->huptimer = 0;  in isdn_ppp_write()
855 		if (lp->isdn_device < 0 || lp->isdn_channel < 0)  in isdn_ppp_write()
858 		if ((dev->drv[lp->isdn_device]->flags & DRV_FLAG_RUNNING) &&  in isdn_ppp_write()
859 		    lp->dialstate == 0 &&  in isdn_ppp_write()
860 		    (lp->flags & ISDN_NET_CONNECTED)) {  in isdn_ppp_write()
868 			hl = dev->drv[lp->isdn_device]->interface->hl_hdrlen;  in isdn_ppp_write()
882 				isdn_ppp_frame_log("xmit", skb->data, skb->len, 32, is->unit, lp->ppp_slot);  in isdn_ppp_write()
885 			isdn_ppp_send_ccp(lp->netdev, lp, skb); /* keeps CCP/compression states in sync */  in isdn_ppp_write()
887 			isdn_net_write_super(lp, skb);  in isdn_ppp_write()
998 void isdn_ppp_receive(isdn_net_dev *net_dev, isdn_net_local *lp, struct sk_buff *skb)  in isdn_ppp_receive()  argument
1006 	slot = lp->ppp_slot;  in isdn_ppp_receive()
1009 		       lp->ppp_slot);  in isdn_ppp_receive()
1017 		       (long)is, (long)lp, lp->ppp_slot, is->unit, (int)skb->len);  in isdn_ppp_receive()
1018 		isdn_ppp_frame_log("receive", skb->data, skb->len, 32, is->unit, lp->ppp_slot);  in isdn_ppp_receive()
1040 			isdn_ppp_mp_receive(net_dev, lp, skb);  in isdn_ppp_receive()
1045 	isdn_ppp_push_higher(net_dev, lp, skb, proto);  in isdn_ppp_receive()
1054 isdn_ppp_push_higher(isdn_net_dev *net_dev, isdn_net_local *lp, struct sk_buff *skb, int proto)  in isdn_ppp_push_higher()  argument
1061 	slot = lp->ppp_slot;  in isdn_ppp_push_higher()
1064 		       lp->ppp_slot);  in isdn_ppp_push_higher()
1069 	if (lp->master) { // FIXME?  in isdn_ppp_push_higher()
1070 		mlp = ISDN_MASTER_PRIV(lp);  in isdn_ppp_push_higher()
1074 			       lp->ppp_slot);  in isdn_ppp_push_higher()
1082 		isdn_ppp_frame_log("rpush", skb->data, skb->len, 32, is->unit, lp->ppp_slot);  in isdn_ppp_push_higher()
1153 		isdn_ppp_receive_ccp(net_dev, lp, skb, proto);  in isdn_ppp_push_higher()
1161 		isdn_ppp_fill_rq(skb->data, skb->len, proto, lp->ppp_slot);	/* push data to pppd device */  in isdn_ppp_push_higher()
1189 		lp->huptimer = 0;  in isdn_ppp_push_higher()
1195 	lp->huptimer = 0;  in isdn_ppp_push_higher()
1246 	isdn_net_local *lp, *mlp;  in isdn_ppp_xmit()  local
1285 	lp = isdn_net_get_locked_lp(nd);  in isdn_ppp_xmit()
1286 	if (!lp) {  in isdn_ppp_xmit()
1293 	slot = lp->ppp_slot;  in isdn_ppp_xmit()
1296 		       lp->ppp_slot);  in isdn_ppp_xmit()
1335 		lp->huptimer = 0;  in isdn_ppp_xmit()
1339 	lp->huptimer = 0;  in isdn_ppp_xmit()
1345 		isdn_ppp_frame_log("xmit0", skb->data, skb->len, 32, ipts->unit, lp->ppp_slot);  in isdn_ppp_xmit()
1356 		hl = dev->drv[lp->isdn_device]->interface->hl_hdrlen + IPPP_MAX_HEADER;  in isdn_ppp_xmit()
1472 		isdn_ppp_frame_log("xmit", skb->data, skb->len, 32, ipt->unit, lp->ppp_slot);  in isdn_ppp_xmit()
1475 	isdn_net_writebuf_skb(lp, skb);  in isdn_ppp_xmit()
1478 	spin_unlock_bh(&lp->xmit_lock);  in isdn_ppp_xmit()
1488 int isdn_ppp_autodial_filter(struct sk_buff *skb, isdn_net_local *lp)  in isdn_ppp_autodial_filter()  argument
1490 	struct ippp_struct *is = ippp_table[lp->ppp_slot];  in isdn_ppp_autodial_filter()
1575 static int isdn_ppp_mp_init(isdn_net_local *lp, ippp_bundle *add_to)  in isdn_ppp_mp_init()  argument
1579 	if (lp->ppp_slot < 0) {  in isdn_ppp_mp_init()
1581 		       __func__, lp->ppp_slot);  in isdn_ppp_mp_init()
1585 	is = ippp_table[lp->ppp_slot];  in isdn_ppp_mp_init()
1587 		if (lp->netdev->pb)  in isdn_ppp_mp_init()
1588 			lp->netdev->pb->ref_ct--;  in isdn_ppp_mp_init()
1589 		lp->netdev->pb = add_to;  in isdn_ppp_mp_init()
1592 		if ((lp->netdev->pb = isdn_ppp_mp_bundle_alloc()) == NULL)  in isdn_ppp_mp_init()
1594 		lp->next = lp->last = lp;	/* nobody else in a queue */  in isdn_ppp_mp_init()
1595 		lp->netdev->pb->frags = NULL;  in isdn_ppp_mp_init()
1596 		lp->netdev->pb->frames = 0;  in isdn_ppp_mp_init()
1597 		lp->netdev->pb->seq = UINT_MAX;  in isdn_ppp_mp_init()
1599 	lp->netdev->pb->ref_ct++;  in isdn_ppp_mp_init()
1609 static void isdn_ppp_mp_reassembly(isdn_net_dev *net_dev, isdn_net_local *lp,
1614 static void isdn_ppp_mp_receive(isdn_net_dev *net_dev, isdn_net_local *lp,  in isdn_ppp_mp_receive()  argument
1629 	slot = lp->ppp_slot;  in isdn_ppp_mp_receive()
1632 		       __func__, lp->ppp_slot);  in isdn_ppp_mp_receive()
1643 		isdn_ppp_mp_print_recv_pkt(lp->ppp_slot, skb);  in isdn_ppp_mp_receive()
1765 			isdn_ppp_mp_reassembly(net_dev, lp, start, nextf);  in isdn_ppp_mp_receive()
1835 static void isdn_ppp_mp_cleanup(isdn_net_local *lp)  in isdn_ppp_mp_cleanup()  argument
1837 	struct sk_buff *frag = lp->netdev->pb->frags;  in isdn_ppp_mp_cleanup()
1841 		isdn_ppp_mp_free_skb(lp->netdev->pb, frag);  in isdn_ppp_mp_cleanup()
1844 	lp->netdev->pb->frags = NULL;  in isdn_ppp_mp_cleanup()
1893 void isdn_ppp_mp_reassembly(isdn_net_dev *net_dev, isdn_net_local *lp,  in isdn_ppp_mp_reassembly()  argument
1901 	if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {  in isdn_ppp_mp_reassembly()
1903 		       __func__, lp->ppp_slot);  in isdn_ppp_mp_reassembly()
1907 		if (ippp_table[lp->ppp_slot]->debug & 0x40)  in isdn_ppp_mp_reassembly()
1920 		if (ippp_table[lp->ppp_slot]->debug & 0x40)  in isdn_ppp_mp_reassembly()
1943 	isdn_ppp_push_higher(net_dev, lp, skb, proto);  in isdn_ppp_mp_reassembly()
1965 	isdn_net_local *lp, *nlp;  in isdn_ppp_bundle()  local
1978 	nlp = is->lp;  in isdn_ppp_bundle()
1979 	lp = p->queue;  in isdn_ppp_bundle()
1981 	    lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {  in isdn_ppp_bundle()
1984 		       nlp->ppp_slot : lp->ppp_slot);  in isdn_ppp_bundle()
1991 	ippp_table[nlp->ppp_slot]->unit = ippp_table[lp->ppp_slot]->unit;  in isdn_ppp_bundle()
1994 	ippp_table[nlp->ppp_slot]->pppcfg |= ippp_table[lp->ppp_slot]->pppcfg &  in isdn_ppp_bundle()
1996 	ippp_table[nlp->ppp_slot]->mpppcfg |= ippp_table[lp->ppp_slot]->mpppcfg &  in isdn_ppp_bundle()
2015 	isdn_net_local *lp = netdev_priv(dev);  in isdn_ppp_dev_ioctl_stats()  local
2024 		t.p.ppp_ipackets = lp->stats.rx_packets;  in isdn_ppp_dev_ioctl_stats()
2025 		t.p.ppp_ibytes = lp->stats.rx_bytes;  in isdn_ppp_dev_ioctl_stats()
2026 		t.p.ppp_ierrors = lp->stats.rx_errors;  in isdn_ppp_dev_ioctl_stats()
2027 		t.p.ppp_opackets = lp->stats.tx_packets;  in isdn_ppp_dev_ioctl_stats()
2028 		t.p.ppp_obytes = lp->stats.tx_bytes;  in isdn_ppp_dev_ioctl_stats()
2029 		t.p.ppp_oerrors = lp->stats.tx_errors;  in isdn_ppp_dev_ioctl_stats()
2054 	isdn_net_local *lp = netdev_priv(dev);  in isdn_ppp_dev_ioctl()  local
2057 	if (lp->p_encap != ISDN_NET_ENCAP_SYNCPPP)  in isdn_ppp_dev_ioctl()
2069 		error = isdn_ppp_dev_ioctl_stats(lp->ppp_slot, ifr, dev);  in isdn_ppp_dev_ioctl()
2110 	isdn_net_local *lp;  in isdn_ppp_dial_slave()  local
2115 	lp = ndev->local;  in isdn_ppp_dial_slave()
2116 	if (!(lp->flags & ISDN_NET_CONNECTED))  in isdn_ppp_dial_slave()
2119 	sdev = lp->slave;  in isdn_ppp_dial_slave()
2141 	isdn_net_local *lp;  in isdn_ppp_hangup_slave()  local
2146 	lp = ndev->local;  in isdn_ppp_hangup_slave()
2147 	if (!(lp->flags & ISDN_NET_CONNECTED))  in isdn_ppp_hangup_slave()
2150 	sdev = lp->slave;  in isdn_ppp_hangup_slave()
2184 	isdn_ppp_fill_rq(NULL, 0, PPP_COMP, is->lp->ppp_slot);  in isdn_ppp_ccp_kickup()
2230 	isdn_net_local *lp = is->lp;  in isdn_ppp_ccp_xmit_reset()  local
2233 	hl = dev->drv[lp->isdn_device]->interface->hl_hdrlen;  in isdn_ppp_ccp_xmit_reset()
2267 	isdn_ppp_frame_log("ccp-xmit", skb->data, skb->len, 32, is->unit, lp->ppp_slot);  in isdn_ppp_ccp_xmit_reset()
2269 	isdn_net_write_super(lp, skb);  in isdn_ppp_ccp_xmit_reset()
2670 static void isdn_ppp_receive_ccp(isdn_net_dev *net_dev, isdn_net_local *lp,  in isdn_ppp_receive_ccp()  argument
2680 	       lp->ppp_slot);  in isdn_ppp_receive_ccp()
2681 	if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {  in isdn_ppp_receive_ccp()
2683 		       __func__, lp->ppp_slot);  in isdn_ppp_receive_ccp()
2686 	is = ippp_table[lp->ppp_slot];  in isdn_ppp_receive_ccp()
2687 	isdn_ppp_frame_log("ccp-rcv", skb->data, skb->len, 32, is->unit, lp->ppp_slot);  in isdn_ppp_receive_ccp()
2689 	if (lp->master) {  in isdn_ppp_receive_ccp()
2690 		int slot = ISDN_MASTER_PRIV(lp)->ppp_slot;  in isdn_ppp_receive_ccp()
2847 static void isdn_ppp_send_ccp(isdn_net_dev *net_dev, isdn_net_local *lp, struct sk_buff *skb)  in isdn_ppp_send_ccp()  argument
2850 	int proto, slot = lp->ppp_slot;  in isdn_ppp_send_ccp()
2874 	isdn_ppp_frame_log("ccp-xmit", skb->data, skb->len, 32, is->unit, lp->ppp_slot);  in isdn_ppp_send_ccp()
2876 	if (lp->master) {  in isdn_ppp_send_ccp()
2877 		slot = ISDN_MASTER_PRIV(lp)->ppp_slot;  in isdn_ppp_send_ccp()