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-rw-r--r--drivers/isdn/isdnloop/Makefile6
-rw-r--r--drivers/isdn/isdnloop/isdnloop.c1528
-rw-r--r--drivers/isdn/isdnloop/isdnloop.h112
3 files changed, 0 insertions, 1646 deletions
diff --git a/drivers/isdn/isdnloop/Makefile b/drivers/isdn/isdnloop/Makefile
deleted file mode 100644
index 5ff4c0e09768..000000000000
--- a/drivers/isdn/isdnloop/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-# Makefile for the isdnloop ISDN device driver
-
-# Each configuration option enables a list of files.
-
-obj-$(CONFIG_ISDN_DRV_LOOP) += isdnloop.o
diff --git a/drivers/isdn/isdnloop/isdnloop.c b/drivers/isdn/isdnloop/isdnloop.c
deleted file mode 100644
index 755c6bbc9553..000000000000
--- a/drivers/isdn/isdnloop/isdnloop.c
+++ /dev/null
@@ -1,1528 +0,0 @@
-/* $Id: isdnloop.c,v 1.11.6.7 2001/11/11 19:54:31 kai Exp $
- *
- * ISDN low-level module implementing a dummy loop driver.
- *
- * Copyright 1997 by Fritz Elfert (fritz@isdn4linux.de)
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include "isdnloop.h"
-
-static char *isdnloop_id = "loop0";
-
-MODULE_DESCRIPTION("ISDN4Linux: Pseudo Driver that simulates an ISDN card");
-MODULE_AUTHOR("Fritz Elfert");
-MODULE_LICENSE("GPL");
-module_param(isdnloop_id, charp, 0);
-MODULE_PARM_DESC(isdnloop_id, "ID-String of first card");
-
-static int isdnloop_addcard(char *);
-
-/*
- * Free queue completely.
- *
- * Parameter:
- * card = pointer to card struct
- * channel = channel number
- */
-static void
-isdnloop_free_queue(isdnloop_card *card, int channel)
-{
- struct sk_buff_head *queue = &card->bqueue[channel];
-
- skb_queue_purge(queue);
- card->sndcount[channel] = 0;
-}
-
-/*
- * Send B-Channel data to another virtual card.
- * This routine is called via timer-callback from isdnloop_pollbchan().
- *
- * Parameter:
- * card = pointer to card struct.
- * ch = channel number (0-based)
- */
-static void
-isdnloop_bchan_send(isdnloop_card *card, int ch)
-{
- isdnloop_card *rcard = card->rcard[ch];
- int rch = card->rch[ch], len, ack;
- struct sk_buff *skb;
- isdn_ctrl cmd;
-
- while (card->sndcount[ch]) {
- skb = skb_dequeue(&card->bqueue[ch]);
- if (skb) {
- len = skb->len;
- card->sndcount[ch] -= len;
- ack = *(skb->head); /* used as scratch area */
- cmd.driver = card->myid;
- cmd.arg = ch;
- if (rcard) {
- rcard->interface.rcvcallb_skb(rcard->myid, rch, skb);
- } else {
- printk(KERN_WARNING "isdnloop: no rcard, skb dropped\n");
- dev_kfree_skb(skb);
-
- }
- cmd.command = ISDN_STAT_BSENT;
- cmd.parm.length = len;
- card->interface.statcallb(&cmd);
- } else
- card->sndcount[ch] = 0;
- }
-}
-
-/*
- * Send/Receive Data to/from the B-Channel.
- * This routine is called via timer-callback.
- * It schedules itself while any B-Channel is open.
- *
- * Parameter:
- * data = pointer to card struct, set by kernel timer.data
- */
-static void
-isdnloop_pollbchan(struct timer_list *t)
-{
- isdnloop_card *card = from_timer(card, t, rb_timer);
- unsigned long flags;
-
- if (card->flags & ISDNLOOP_FLAGS_B1ACTIVE)
- isdnloop_bchan_send(card, 0);
- if (card->flags & ISDNLOOP_FLAGS_B2ACTIVE)
- isdnloop_bchan_send(card, 1);
- if (card->flags & (ISDNLOOP_FLAGS_B1ACTIVE | ISDNLOOP_FLAGS_B2ACTIVE)) {
- /* schedule b-channel polling again */
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- card->rb_timer.expires = jiffies + ISDNLOOP_TIMER_BCREAD;
- add_timer(&card->rb_timer);
- card->flags |= ISDNLOOP_FLAGS_RBTIMER;
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- } else
- card->flags &= ~ISDNLOOP_FLAGS_RBTIMER;
-}
-
-/*
- * Parse ICN-type setup string and fill fields of setup-struct
- * with parsed data.
- *
- * Parameter:
- * setup = setup string, format: [caller-id],si1,si2,[called-id]
- * cmd = pointer to struct to be filled.
- */
-static void
-isdnloop_parse_setup(char *setup, isdn_ctrl *cmd)
-{
- char *t = setup;
- char *s = strchr(t, ',');
-
- *s++ = '\0';
- strlcpy(cmd->parm.setup.phone, t, sizeof(cmd->parm.setup.phone));
- s = strchr(t = s, ',');
- *s++ = '\0';
- if (!strlen(t))
- cmd->parm.setup.si1 = 0;
- else
- cmd->parm.setup.si1 = simple_strtoul(t, NULL, 10);
- s = strchr(t = s, ',');
- *s++ = '\0';
- if (!strlen(t))
- cmd->parm.setup.si2 = 0;
- else
- cmd->parm.setup.si2 =
- simple_strtoul(t, NULL, 10);
- strlcpy(cmd->parm.setup.eazmsn, s, sizeof(cmd->parm.setup.eazmsn));
- cmd->parm.setup.plan = 0;
- cmd->parm.setup.screen = 0;
-}
-
-typedef struct isdnloop_stat {
- char *statstr;
- int command;
- int action;
-} isdnloop_stat;
-/* *INDENT-OFF* */
-static isdnloop_stat isdnloop_stat_table[] = {
- {"BCON_", ISDN_STAT_BCONN, 1}, /* B-Channel connected */
- {"BDIS_", ISDN_STAT_BHUP, 2}, /* B-Channel disconnected */
- {"DCON_", ISDN_STAT_DCONN, 0}, /* D-Channel connected */
- {"DDIS_", ISDN_STAT_DHUP, 0}, /* D-Channel disconnected */
- {"DCAL_I", ISDN_STAT_ICALL, 3}, /* Incoming call dialup-line */
- {"DSCA_I", ISDN_STAT_ICALL, 3}, /* Incoming call 1TR6-SPV */
- {"FCALL", ISDN_STAT_ICALL, 4}, /* Leased line connection up */
- {"CIF", ISDN_STAT_CINF, 5}, /* Charge-info, 1TR6-type */
- {"AOC", ISDN_STAT_CINF, 6}, /* Charge-info, DSS1-type */
- {"CAU", ISDN_STAT_CAUSE, 7}, /* Cause code */
- {"TEI OK", ISDN_STAT_RUN, 0}, /* Card connected to wallplug */
- {"E_L1: ACT FAIL", ISDN_STAT_BHUP, 8}, /* Layer-1 activation failed */
- {"E_L2: DATA LIN", ISDN_STAT_BHUP, 8}, /* Layer-2 data link lost */
- {"E_L1: ACTIVATION FAILED",
- ISDN_STAT_BHUP, 8}, /* Layer-1 activation failed */
- {NULL, 0, -1}
-};
-/* *INDENT-ON* */
-
-
-/*
- * Parse Status message-strings from virtual card.
- * Depending on status, call statcallb for sending messages to upper
- * levels. Also set/reset B-Channel active-flags.
- *
- * Parameter:
- * status = status string to parse.
- * channel = channel where message comes from.
- * card = card where message comes from.
- */
-static void
-isdnloop_parse_status(u_char *status, int channel, isdnloop_card *card)
-{
- isdnloop_stat *s = isdnloop_stat_table;
- int action = -1;
- isdn_ctrl cmd;
-
- while (s->statstr) {
- if (!strncmp(status, s->statstr, strlen(s->statstr))) {
- cmd.command = s->command;
- action = s->action;
- break;
- }
- s++;
- }
- if (action == -1)
- return;
- cmd.driver = card->myid;
- cmd.arg = channel;
- switch (action) {
- case 1:
- /* BCON_x */
- card->flags |= (channel) ?
- ISDNLOOP_FLAGS_B2ACTIVE : ISDNLOOP_FLAGS_B1ACTIVE;
- break;
- case 2:
- /* BDIS_x */
- card->flags &= ~((channel) ?
- ISDNLOOP_FLAGS_B2ACTIVE : ISDNLOOP_FLAGS_B1ACTIVE);
- isdnloop_free_queue(card, channel);
- break;
- case 3:
- /* DCAL_I and DSCA_I */
- isdnloop_parse_setup(status + 6, &cmd);
- break;
- case 4:
- /* FCALL */
- sprintf(cmd.parm.setup.phone, "LEASED%d", card->myid);
- sprintf(cmd.parm.setup.eazmsn, "%d", channel + 1);
- cmd.parm.setup.si1 = 7;
- cmd.parm.setup.si2 = 0;
- cmd.parm.setup.plan = 0;
- cmd.parm.setup.screen = 0;
- break;
- case 5:
- /* CIF */
- strlcpy(cmd.parm.num, status + 3, sizeof(cmd.parm.num));
- break;
- case 6:
- /* AOC */
- snprintf(cmd.parm.num, sizeof(cmd.parm.num), "%d",
- (int) simple_strtoul(status + 7, NULL, 16));
- break;
- case 7:
- /* CAU */
- status += 3;
- if (strlen(status) == 4)
- snprintf(cmd.parm.num, sizeof(cmd.parm.num), "%s%c%c",
- status + 2, *status, *(status + 1));
- else
- strlcpy(cmd.parm.num, status + 1, sizeof(cmd.parm.num));
- break;
- case 8:
- /* Misc Errors on L1 and L2 */
- card->flags &= ~ISDNLOOP_FLAGS_B1ACTIVE;
- isdnloop_free_queue(card, 0);
- cmd.arg = 0;
- cmd.driver = card->myid;
- card->interface.statcallb(&cmd);
- cmd.command = ISDN_STAT_DHUP;
- cmd.arg = 0;
- cmd.driver = card->myid;
- card->interface.statcallb(&cmd);
- cmd.command = ISDN_STAT_BHUP;
- card->flags &= ~ISDNLOOP_FLAGS_B2ACTIVE;
- isdnloop_free_queue(card, 1);
- cmd.arg = 1;
- cmd.driver = card->myid;
- card->interface.statcallb(&cmd);
- cmd.command = ISDN_STAT_DHUP;
- cmd.arg = 1;
- cmd.driver = card->myid;
- break;
- }
- card->interface.statcallb(&cmd);
-}
-
-/*
- * Store a cwcharacter into ringbuffer for reading from /dev/isdnctrl
- *
- * Parameter:
- * card = pointer to card struct.
- * c = char to store.
- */
-static void
-isdnloop_putmsg(isdnloop_card *card, unsigned char c)
-{
- ulong flags;
-
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- *card->msg_buf_write++ = (c == 0xff) ? '\n' : c;
- if (card->msg_buf_write == card->msg_buf_read) {
- if (++card->msg_buf_read > card->msg_buf_end)
- card->msg_buf_read = card->msg_buf;
- }
- if (card->msg_buf_write > card->msg_buf_end)
- card->msg_buf_write = card->msg_buf;
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
-}
-
-/*
- * Poll a virtual cards message queue.
- * If there are new status-replies from the card, copy them to
- * ringbuffer for reading on /dev/isdnctrl and call
- * isdnloop_parse_status() for processing them. Watch for special
- * Firmware bootmessage and parse it, to get the D-Channel protocol.
- * If there are B-Channels open, initiate a timer-callback to
- * isdnloop_pollbchan().
- * This routine is called periodically via timer interrupt.
- *
- * Parameter:
- * data = pointer to card struct
- */
-static void
-isdnloop_polldchan(struct timer_list *t)
-{
- isdnloop_card *card = from_timer(card, t, st_timer);
- struct sk_buff *skb;
- int avail;
- int left;
- u_char c;
- int ch;
- unsigned long flags;
- u_char *p;
- isdn_ctrl cmd;
-
- skb = skb_dequeue(&card->dqueue);
- if (skb)
- avail = skb->len;
- else
- avail = 0;
- for (left = avail; left > 0; left--) {
- c = *skb->data;
- skb_pull(skb, 1);
- isdnloop_putmsg(card, c);
- card->imsg[card->iptr] = c;
- if (card->iptr < 59)
- card->iptr++;
- if (!skb->len) {
- avail++;
- isdnloop_putmsg(card, '\n');
- card->imsg[card->iptr] = 0;
- card->iptr = 0;
- if (card->imsg[0] == '0' && card->imsg[1] >= '0' &&
- card->imsg[1] <= '2' && card->imsg[2] == ';') {
- ch = (card->imsg[1] - '0') - 1;
- p = &card->imsg[3];
- isdnloop_parse_status(p, ch, card);
- } else {
- p = card->imsg;
- if (!strncmp(p, "DRV1.", 5)) {
- printk(KERN_INFO "isdnloop: (%s) %s\n", CID, p);
- if (!strncmp(p + 7, "TC", 2)) {
- card->ptype = ISDN_PTYPE_1TR6;
- card->interface.features |= ISDN_FEATURE_P_1TR6;
- printk(KERN_INFO
- "isdnloop: (%s) 1TR6-Protocol loaded and running\n", CID);
- }
- if (!strncmp(p + 7, "EC", 2)) {
- card->ptype = ISDN_PTYPE_EURO;
- card->interface.features |= ISDN_FEATURE_P_EURO;
- printk(KERN_INFO
- "isdnloop: (%s) Euro-Protocol loaded and running\n", CID);
- }
- continue;
-
- }
- }
- }
- }
- if (avail) {
- cmd.command = ISDN_STAT_STAVAIL;
- cmd.driver = card->myid;
- cmd.arg = avail;
- card->interface.statcallb(&cmd);
- }
- if (card->flags & (ISDNLOOP_FLAGS_B1ACTIVE | ISDNLOOP_FLAGS_B2ACTIVE))
- if (!(card->flags & ISDNLOOP_FLAGS_RBTIMER)) {
- /* schedule b-channel polling */
- card->flags |= ISDNLOOP_FLAGS_RBTIMER;
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- del_timer(&card->rb_timer);
- card->rb_timer.expires = jiffies + ISDNLOOP_TIMER_BCREAD;
- add_timer(&card->rb_timer);
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- }
- /* schedule again */
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- card->st_timer.expires = jiffies + ISDNLOOP_TIMER_DCREAD;
- add_timer(&card->st_timer);
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
-}
-
-/*
- * Append a packet to the transmit buffer-queue.
- *
- * Parameter:
- * channel = Number of B-channel
- * skb = packet to send.
- * card = pointer to card-struct
- * Return:
- * Number of bytes transferred, -E??? on error
- */
-static int
-isdnloop_sendbuf(int channel, struct sk_buff *skb, isdnloop_card *card)
-{
- int len = skb->len;
- unsigned long flags;
- struct sk_buff *nskb;
-
- if (len > 4000) {
- printk(KERN_WARNING
- "isdnloop: Send packet too large\n");
- return -EINVAL;
- }
- if (len) {
- if (!(card->flags & (channel ? ISDNLOOP_FLAGS_B2ACTIVE : ISDNLOOP_FLAGS_B1ACTIVE)))
- return 0;
- if (card->sndcount[channel] > ISDNLOOP_MAX_SQUEUE)
- return 0;
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- nskb = dev_alloc_skb(skb->len);
- if (nskb) {
- skb_copy_from_linear_data(skb,
- skb_put(nskb, len), len);
- skb_queue_tail(&card->bqueue[channel], nskb);
- dev_kfree_skb(skb);
- } else
- len = 0;
- card->sndcount[channel] += len;
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- }
- return len;
-}
-
-/*
- * Read the messages from the card's ringbuffer
- *
- * Parameter:
- * buf = pointer to buffer.
- * len = number of bytes to read.
- * user = flag, 1: called from userlevel 0: called from kernel.
- * card = pointer to card struct.
- * Return:
- * number of bytes actually transferred.
- */
-static int
-isdnloop_readstatus(u_char __user *buf, int len, isdnloop_card *card)
-{
- int count;
- u_char __user *p;
-
- for (p = buf, count = 0; count < len; p++, count++) {
- if (card->msg_buf_read == card->msg_buf_write)
- return count;
- if (put_user(*card->msg_buf_read++, p))
- return -EFAULT;
- if (card->msg_buf_read > card->msg_buf_end)
- card->msg_buf_read = card->msg_buf;
- }
- return count;
-}
-
-/*
- * Simulate a card's response by appending it to the cards
- * message queue.
- *
- * Parameter:
- * card = pointer to card struct.
- * s = pointer to message-string.
- * ch = channel: 0 = generic messages, 1 and 2 = D-channel messages.
- * Return:
- * 0 on success, 1 on memory squeeze.
- */
-static int
-isdnloop_fake(isdnloop_card *card, char *s, int ch)
-{
- struct sk_buff *skb;
- int len = strlen(s) + ((ch >= 0) ? 3 : 0);
- skb = dev_alloc_skb(len);
- if (!skb) {
- printk(KERN_WARNING "isdnloop: Out of memory in isdnloop_fake\n");
- return 1;
- }
- if (ch >= 0)
- sprintf(skb_put(skb, 3), "%02d;", ch);
- skb_put_data(skb, s, strlen(s));
- skb_queue_tail(&card->dqueue, skb);
- return 0;
-}
-/* *INDENT-OFF* */
-static isdnloop_stat isdnloop_cmd_table[] = {
- {"BCON_R", 0, 1}, /* B-Channel connect */
- {"BCON_I", 0, 17}, /* B-Channel connect ind */
- {"BDIS_R", 0, 2}, /* B-Channel disconnect */
- {"DDIS_R", 0, 3}, /* D-Channel disconnect */
- {"DCON_R", 0, 16}, /* D-Channel connect */
- {"DSCA_R", 0, 4}, /* Dial 1TR6-SPV */
- {"DCAL_R", 0, 5}, /* Dial */
- {"EAZC", 0, 6}, /* Clear EAZ listener */
- {"EAZ", 0, 7}, /* Set EAZ listener */
- {"SEEAZ", 0, 8}, /* Get EAZ listener */
- {"MSN", 0, 9}, /* Set/Clear MSN listener */
- {"MSALL", 0, 10}, /* Set multi MSN listeners */
- {"SETSIL", 0, 11}, /* Set SI list */
- {"SEESIL", 0, 12}, /* Get SI list */
- {"SILC", 0, 13}, /* Clear SI list */
- {"LOCK", 0, -1}, /* LOCK channel */
- {"UNLOCK", 0, -1}, /* UNLOCK channel */
- {"FV2ON", 1, 14}, /* Leased mode on */
- {"FV2OFF", 1, 15}, /* Leased mode off */
- {NULL, 0, -1}
-};
-/* *INDENT-ON* */
-
-
-/*
- * Simulate an error-response from a card.
- *
- * Parameter:
- * card = pointer to card struct.
- */
-static void
-isdnloop_fake_err(isdnloop_card *card)
-{
- char buf[64];
-
- snprintf(buf, sizeof(buf), "E%s", card->omsg);
- isdnloop_fake(card, buf, -1);
- isdnloop_fake(card, "NAK", -1);
-}
-
-static u_char ctable_eu[] = {0x00, 0x11, 0x01, 0x12};
-static u_char ctable_1t[] = {0x00, 0x3b, 0x01, 0x3a};
-
-/*
- * Assemble a simplified cause message depending on the
- * D-channel protocol used.
- *
- * Parameter:
- * card = pointer to card struct.
- * loc = location: 0 = local, 1 = remote.
- * cau = cause: 1 = busy, 2 = nonexistent callerid, 3 = no user responding.
- * Return:
- * Pointer to buffer containing the assembled message.
- */
-static char *
-isdnloop_unicause(isdnloop_card *card, int loc, int cau)
-{
- static char buf[6];
-
- switch (card->ptype) {
- case ISDN_PTYPE_EURO:
- sprintf(buf, "E%02X%02X", (loc) ? 4 : 2, ctable_eu[cau]);
- break;
- case ISDN_PTYPE_1TR6:
- sprintf(buf, "%02X44", ctable_1t[cau]);
- break;
- default:
- return "0000";
- }
- return buf;
-}
-
-/*
- * Release a virtual connection. Called from timer interrupt, when
- * called party did not respond.
- *
- * Parameter:
- * card = pointer to card struct.
- * ch = channel (0-based)
- */
-static void
-isdnloop_atimeout(isdnloop_card *card, int ch)
-{
- unsigned long flags;
- char buf[60];
-
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- if (card->rcard[ch]) {
- isdnloop_fake(card->rcard[ch], "DDIS_I", card->rch[ch] + 1);
- card->rcard[ch]->rcard[card->rch[ch]] = NULL;
- card->rcard[ch] = NULL;
- }
- isdnloop_fake(card, "DDIS_I", ch + 1);
- /* No user responding */
- sprintf(buf, "CAU%s", isdnloop_unicause(card, 1, 3));
- isdnloop_fake(card, buf, ch + 1);
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
-}
-
-/*
- * Wrapper for isdnloop_atimeout().
- */
-static void
-isdnloop_atimeout0(struct timer_list *t)
-{
- isdnloop_card *card = from_timer(card, t, c_timer[0]);
-
- isdnloop_atimeout(card, 0);
-}
-
-/*
- * Wrapper for isdnloop_atimeout().
- */
-static void
-isdnloop_atimeout1(struct timer_list *t)
-{
- isdnloop_card *card = from_timer(card, t, c_timer[1]);
-
- isdnloop_atimeout(card, 1);
-}
-
-/*
- * Install a watchdog for a user, not responding.
- *
- * Parameter:
- * card = pointer to card struct.
- * ch = channel to watch for.
- */
-static void
-isdnloop_start_ctimer(isdnloop_card *card, int ch)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- timer_setup(&card->c_timer[ch], ch ? isdnloop_atimeout1
- : isdnloop_atimeout0, 0);
- card->c_timer[ch].expires = jiffies + ISDNLOOP_TIMER_ALERTWAIT;
- add_timer(&card->c_timer[ch]);
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
-}
-
-/*
- * Kill a pending channel watchdog.
- *
- * Parameter:
- * card = pointer to card struct.
- * ch = channel (0-based).
- */
-static void
-isdnloop_kill_ctimer(isdnloop_card *card, int ch)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- del_timer(&card->c_timer[ch]);
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
-}
-
-static u_char si2bit[] = {0, 1, 0, 0, 0, 2, 0, 4, 0, 0};
-static u_char bit2si[] = {1, 5, 7};
-
-/*
- * Try finding a listener for an outgoing call.
- *
- * Parameter:
- * card = pointer to calling card.
- * p = pointer to ICN-type setup-string.
- * lch = channel of calling card.
- * cmd = pointer to struct to be filled when parsing setup.
- * Return:
- * 0 = found match, alerting should happen.
- * 1 = found matching number but it is busy.
- * 2 = no matching listener.
- * 3 = found matching number but SI does not match.
- */
-static int
-isdnloop_try_call(isdnloop_card *card, char *p, int lch, isdn_ctrl *cmd)
-{
- isdnloop_card *cc = cards;
- unsigned long flags;
- int ch;
- int num_match;
- int i;
- char *e;
- char nbuf[32];
-
- isdnloop_parse_setup(p, cmd);
- while (cc) {
- for (ch = 0; ch < 2; ch++) {
- /* Exclude ourself */
- if ((cc == card) && (ch == lch))
- continue;
- num_match = 0;
- switch (cc->ptype) {
- case ISDN_PTYPE_EURO:
- for (i = 0; i < 3; i++)
- if (!(strcmp(cc->s0num[i], cmd->parm.setup.phone)))
- num_match = 1;
- break;
- case ISDN_PTYPE_1TR6:
- e = cc->eazlist[ch];
- while (*e) {
- sprintf(nbuf, "%s%c", cc->s0num[0], *e);
- if (!(strcmp(nbuf, cmd->parm.setup.phone)))
- num_match = 1;
- e++;
- }
- }
- if (num_match) {
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- /* channel idle? */
- if (!(cc->rcard[ch])) {
- /* Check SI */
- if (!(si2bit[cmd->parm.setup.si1] & cc->sil[ch])) {
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- return 3;
- }
- /* ch is idle, si and number matches */
- cc->rcard[ch] = card;
- cc->rch[ch] = lch;
- card->rcard[lch] = cc;
- card->rch[lch] = ch;
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- return 0;
- } else {
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- /* num matches, but busy */
- if (ch == 1)
- return 1;
- }
- }
- }
- cc = cc->next;
- }
- return 2;
-}
-
-/*
- * Depending on D-channel protocol and caller/called, modify
- * phone number.
- *
- * Parameter:
- * card = pointer to card struct.
- * phone = pointer phone number.
- * caller = flag: 1 = caller, 0 = called.
- * Return:
- * pointer to new phone number.
- */
-static char *
-isdnloop_vstphone(isdnloop_card *card, char *phone, int caller)
-{
- int i;
- static char nphone[30];
-
- if (!card) {
- printk("BUG!!!\n");
- return "";
- }
- switch (card->ptype) {
- case ISDN_PTYPE_EURO:
- if (caller) {
- for (i = 0; i < 2; i++)
- if (!(strcmp(card->s0num[i], phone)))
- return phone;
- return card->s0num[0];
- }
- return phone;
- break;
- case ISDN_PTYPE_1TR6:
- if (caller) {
- sprintf(nphone, "%s%c", card->s0num[0], phone[0]);
- return nphone;
- } else
- return &phone[strlen(phone) - 1];
- break;
- }
- return "";
-}
-
-/*
- * Parse an ICN-type command string sent to the 'card'.
- * Perform misc. actions depending on the command.
- *
- * Parameter:
- * card = pointer to card struct.
- */
-static void
-isdnloop_parse_cmd(isdnloop_card *card)
-{
- char *p = card->omsg;
- isdn_ctrl cmd;
- char buf[60];
- isdnloop_stat *s = isdnloop_cmd_table;
- int action = -1;
- int i;
- int ch;
-
- if ((card->omsg[0] != '0') && (card->omsg[2] != ';')) {
- isdnloop_fake_err(card);
- return;
- }
- ch = card->omsg[1] - '0';
- if ((ch < 0) || (ch > 2)) {
- isdnloop_fake_err(card);
- return;
- }
- p += 3;
- while (s->statstr) {
- if (!strncmp(p, s->statstr, strlen(s->statstr))) {
- action = s->action;
- if (s->command && (ch != 0)) {
- isdnloop_fake_err(card);
- return;
- }
- break;
- }
- s++;
- }
- if (action == -1)
- return;
- switch (action) {
- case 1:
- /* 0x;BCON_R */
- if (card->rcard[ch - 1]) {
- isdnloop_fake(card->rcard[ch - 1], "BCON_I",
- card->rch[ch - 1] + 1);
- isdnloop_fake(card, "BCON_C", ch);
- }
- break;
- case 17:
- /* 0x;BCON_I */
- if (card->rcard[ch - 1]) {
- isdnloop_fake(card->rcard[ch - 1], "BCON_C",
- card->rch[ch - 1] + 1);
- }
- break;
- case 2:
- /* 0x;BDIS_R */
- isdnloop_fake(card, "BDIS_C", ch);
- if (card->rcard[ch - 1]) {
- isdnloop_fake(card->rcard[ch - 1], "BDIS_I",
- card->rch[ch - 1] + 1);
- }
- break;
- case 16:
- /* 0x;DCON_R */
- isdnloop_kill_ctimer(card, ch - 1);
- if (card->rcard[ch - 1]) {
- isdnloop_kill_ctimer(card->rcard[ch - 1], card->rch[ch - 1]);
- isdnloop_fake(card->rcard[ch - 1], "DCON_C",
- card->rch[ch - 1] + 1);
- isdnloop_fake(card, "DCON_C", ch);
- }
- break;
- case 3:
- /* 0x;DDIS_R */
- isdnloop_kill_ctimer(card, ch - 1);
- if (card->rcard[ch - 1]) {
- isdnloop_kill_ctimer(card->rcard[ch - 1], card->rch[ch - 1]);
- isdnloop_fake(card->rcard[ch - 1], "DDIS_I",
- card->rch[ch - 1] + 1);
- card->rcard[ch - 1] = NULL;
- }
- isdnloop_fake(card, "DDIS_C", ch);
- break;
- case 4:
- /* 0x;DSCA_Rdd,yy,zz,oo */
- if (card->ptype != ISDN_PTYPE_1TR6) {
- isdnloop_fake_err(card);
- return;
- }
- /* Fall through */
- case 5:
- /* 0x;DCAL_Rdd,yy,zz,oo */
- p += 6;
- switch (isdnloop_try_call(card, p, ch - 1, &cmd)) {
- case 0:
- /* Alerting */
- sprintf(buf, "D%s_I%s,%02d,%02d,%s",
- (action == 4) ? "SCA" : "CAL",
- isdnloop_vstphone(card, cmd.parm.setup.eazmsn, 1),
- cmd.parm.setup.si1,
- cmd.parm.setup.si2,
- isdnloop_vstphone(card->rcard[ch - 1],
- cmd.parm.setup.phone, 0));
- isdnloop_fake(card->rcard[ch - 1], buf, card->rch[ch - 1] + 1);
- /* Fall through */
- case 3:
- /* si1 does not match, don't alert but start timer */
- isdnloop_start_ctimer(card, ch - 1);
- break;
- case 1:
- /* Remote busy */
- isdnloop_fake(card, "DDIS_I", ch);
- sprintf(buf, "CAU%s", isdnloop_unicause(card, 1, 1));
- isdnloop_fake(card, buf, ch);
- break;
- case 2:
- /* No such user */
- isdnloop_fake(card, "DDIS_I", ch);
- sprintf(buf, "CAU%s", isdnloop_unicause(card, 1, 2));
- isdnloop_fake(card, buf, ch);
- break;
- }
- break;
- case 6:
- /* 0x;EAZC */
- card->eazlist[ch - 1][0] = '\0';
- break;
- case 7:
- /* 0x;EAZ */
- p += 3;
- if (strlen(p) >= sizeof(card->eazlist[0]))
- break;
- strcpy(card->eazlist[ch - 1], p);
- break;
- case 8:
- /* 0x;SEEAZ */
- sprintf(buf, "EAZ-LIST: %s", card->eazlist[ch - 1]);
- isdnloop_fake(card, buf, ch + 1);
- break;
- case 9:
- /* 0x;MSN */
- break;
- case 10:
- /* 0x;MSNALL */
- break;
- case 11:
- /* 0x;SETSIL */
- p += 6;
- i = 0;
- while (strchr("0157", *p)) {
- if (i)
- card->sil[ch - 1] |= si2bit[*p - '0'];
- i = (*p++ == '0');
- }
- if (*p)
- isdnloop_fake_err(card);
- break;
- case 12:
- /* 0x;SEESIL */
- sprintf(buf, "SIN-LIST: ");
- p = buf + 10;
- for (i = 0; i < 3; i++)
- if (card->sil[ch - 1] & (1 << i))
- p += sprintf(p, "%02d", bit2si[i]);
- isdnloop_fake(card, buf, ch + 1);
- break;
- case 13:
- /* 0x;SILC */
- card->sil[ch - 1] = 0;
- break;
- case 14:
- /* 00;FV2ON */
- break;
- case 15:
- /* 00;FV2OFF */
- break;
- }
-}
-
-/*
- * Put command-strings into the of the 'card'. In reality, execute them
- * right in place by calling isdnloop_parse_cmd(). Also copy every
- * command to the read message ringbuffer, preceding it with a '>'.
- * These mesagges can be read at /dev/isdnctrl.
- *
- * Parameter:
- * buf = pointer to command buffer.
- * len = length of buffer data.
- * user = flag: 1 = called form userlevel, 0 called from kernel.
- * card = pointer to card struct.
- * Return:
- * number of bytes transferred (currently always equals len).
- */
-static int
-isdnloop_writecmd(const u_char *buf, int len, int user, isdnloop_card *card)
-{
- int xcount = 0;
- int ocount = 1;
- isdn_ctrl cmd;
-
- while (len) {
- int count = len;
- u_char *p;
- u_char msg[0x100];
-
- if (count > 255)
- count = 255;
- if (user) {
- if (copy_from_user(msg, buf, count))
- return -EFAULT;
- } else
- memcpy(msg, buf, count);
- isdnloop_putmsg(card, '>');
- for (p = msg; count > 0; count--, p++) {
- len--;
- xcount++;
- isdnloop_putmsg(card, *p);
- card->omsg[card->optr] = *p;
- if (*p == '\n') {
- card->omsg[card->optr] = '\0';
- card->optr = 0;
- isdnloop_parse_cmd(card);
- if (len) {
- isdnloop_putmsg(card, '>');
- ocount++;
- }
- } else {
- if (card->optr < 59)
- card->optr++;
- }
- ocount++;
- }
- }
- cmd.command = ISDN_STAT_STAVAIL;
- cmd.driver = card->myid;
- cmd.arg = ocount;
- card->interface.statcallb(&cmd);
- return xcount;
-}
-
-/*
- * Delete card's pending timers, send STOP to linklevel
- */
-static void
-isdnloop_stopcard(isdnloop_card *card)
-{
- unsigned long flags;
- isdn_ctrl cmd;
-
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- if (card->flags & ISDNLOOP_FLAGS_RUNNING) {
- card->flags &= ~ISDNLOOP_FLAGS_RUNNING;
- del_timer(&card->st_timer);
- del_timer(&card->rb_timer);
- del_timer(&card->c_timer[0]);
- del_timer(&card->c_timer[1]);
- cmd.command = ISDN_STAT_STOP;
- cmd.driver = card->myid;
- card->interface.statcallb(&cmd);
- }
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
-}
-
-/*
- * Stop all cards before unload.
- */
-static void
-isdnloop_stopallcards(void)
-{
- isdnloop_card *p = cards;
-
- while (p) {
- isdnloop_stopcard(p);
- p = p->next;
- }
-}
-
-/*
- * Start a 'card'. Simulate card's boot message and set the phone
- * number(s) of the virtual 'S0-Interface'. Install D-channel
- * poll timer.
- *
- * Parameter:
- * card = pointer to card struct.
- * sdefp = pointer to struct holding ioctl parameters.
- * Return:
- * 0 on success, -E??? otherwise.
- */
-static int
-isdnloop_start(isdnloop_card *card, isdnloop_sdef *sdefp)
-{
- unsigned long flags;
- isdnloop_sdef sdef;
- int i;
-
- if (card->flags & ISDNLOOP_FLAGS_RUNNING)
- return -EBUSY;
- if (copy_from_user((char *) &sdef, (char *) sdefp, sizeof(sdef)))
- return -EFAULT;
-
- for (i = 0; i < 3; i++) {
- if (!memchr(sdef.num[i], 0, sizeof(sdef.num[i])))
- return -EINVAL;
- }
-
- spin_lock_irqsave(&card->isdnloop_lock, flags);
- switch (sdef.ptype) {
- case ISDN_PTYPE_EURO:
- if (isdnloop_fake(card, "DRV1.23EC-Q.931-CAPI-CNS-BASIS-20.02.96",
- -1)) {
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- return -ENOMEM;
- }
- card->sil[0] = card->sil[1] = 4;
- if (isdnloop_fake(card, "TEI OK", 0)) {
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- return -ENOMEM;
- }
- for (i = 0; i < 3; i++) {
- strlcpy(card->s0num[i], sdef.num[i],
- sizeof(card->s0num[0]));
- }
- break;
- case ISDN_PTYPE_1TR6:
- if (isdnloop_fake(card, "DRV1.04TC-1TR6-CAPI-CNS-BASIS-29.11.95",
- -1)) {
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- return -ENOMEM;
- }
- card->sil[0] = card->sil[1] = 4;
- if (isdnloop_fake(card, "TEI OK", 0)) {
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- return -ENOMEM;
- }
- strlcpy(card->s0num[0], sdef.num[0], sizeof(card->s0num[0]));
- card->s0num[1][0] = '\0';
- card->s0num[2][0] = '\0';
- break;
- default:
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- printk(KERN_WARNING "isdnloop: Illegal D-channel protocol %d\n",
- sdef.ptype);
- return -EINVAL;
- }
- timer_setup(&card->rb_timer, isdnloop_pollbchan, 0);
- timer_setup(&card->st_timer, isdnloop_polldchan, 0);
- card->st_timer.expires = jiffies + ISDNLOOP_TIMER_DCREAD;
- add_timer(&card->st_timer);
- card->flags |= ISDNLOOP_FLAGS_RUNNING;
- spin_unlock_irqrestore(&card->isdnloop_lock, flags);
- return 0;
-}
-
-/*
- * Main handler for commands sent by linklevel.
- */
-static int
-isdnloop_command(isdn_ctrl *c, isdnloop_card *card)
-{
- ulong a;
- int i;
- char cbuf[80];
- isdn_ctrl cmd;
- isdnloop_cdef cdef;
-
- switch (c->command) {
- case ISDN_CMD_IOCTL:
- memcpy(&a, c->parm.num, sizeof(ulong));
- switch (c->arg) {
- case ISDNLOOP_IOCTL_DEBUGVAR:
- return (ulong) card;
- case ISDNLOOP_IOCTL_STARTUP:
- return isdnloop_start(card, (isdnloop_sdef *) a);
- break;
- case ISDNLOOP_IOCTL_ADDCARD:
- if (copy_from_user((char *)&cdef,
- (char *)a,
- sizeof(cdef)))
- return -EFAULT;
- return isdnloop_addcard(cdef.id1);
- break;
- case ISDNLOOP_IOCTL_LEASEDCFG:
- if (a) {
- if (!card->leased) {
- card->leased = 1;
- while (card->ptype == ISDN_PTYPE_UNKNOWN)
- schedule_timeout_interruptible(10);
- schedule_timeout_interruptible(10);
- sprintf(cbuf, "00;FV2ON\n01;EAZ1\n02;EAZ2\n");
- i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
- printk(KERN_INFO
- "isdnloop: (%s) Leased-line mode enabled\n",
- CID);
- cmd.command = ISDN_STAT_RUN;
- cmd.driver = card->myid;
- cmd.arg = 0;
- card->interface.statcallb(&cmd);
- }
- } else {
- if (card->leased) {
- card->leased = 0;
- sprintf(cbuf, "00;FV2OFF\n");
- i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
- printk(KERN_INFO
- "isdnloop: (%s) Leased-line mode disabled\n",
- CID);
- cmd.command = ISDN_STAT_RUN;
- cmd.driver = card->myid;
- cmd.arg = 0;
- card->interface.statcallb(&cmd);
- }
- }
- return 0;
- default:
- return -EINVAL;
- }
- break;
- case ISDN_CMD_DIAL:
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- if (card->leased)
- break;
- if ((c->arg & 255) < ISDNLOOP_BCH) {
- char *p;
- char dcode[4];
-
- a = c->arg;
- p = c->parm.setup.phone;
- if (*p == 's' || *p == 'S') {
- /* Dial for SPV */
- p++;
- strcpy(dcode, "SCA");
- } else
- /* Normal Dial */
- strcpy(dcode, "CAL");
- snprintf(cbuf, sizeof(cbuf),
- "%02d;D%s_R%s,%02d,%02d,%s\n", (int) (a + 1),
- dcode, p, c->parm.setup.si1,
- c->parm.setup.si2, c->parm.setup.eazmsn);
- i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
- }
- break;
- case ISDN_CMD_ACCEPTD:
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- if (c->arg < ISDNLOOP_BCH) {
- a = c->arg + 1;
- cbuf[0] = 0;
- switch (card->l2_proto[a - 1]) {
- case ISDN_PROTO_L2_X75I:
- sprintf(cbuf, "%02d;BX75\n", (int) a);
- break;
-#ifdef CONFIG_ISDN_X25
- case ISDN_PROTO_L2_X25DTE:
- sprintf(cbuf, "%02d;BX2T\n", (int) a);
- break;
- case ISDN_PROTO_L2_X25DCE:
- sprintf(cbuf, "%02d;BX2C\n", (int) a);
- break;
-#endif
- case ISDN_PROTO_L2_HDLC:
- sprintf(cbuf, "%02d;BTRA\n", (int) a);
- break;
- }
- if (strlen(cbuf))
- i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
- sprintf(cbuf, "%02d;DCON_R\n", (int) a);
- i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
- }
- break;
- case ISDN_CMD_ACCEPTB:
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- if (c->arg < ISDNLOOP_BCH) {
- a = c->arg + 1;
- switch (card->l2_proto[a - 1]) {
- case ISDN_PROTO_L2_X75I:
- sprintf(cbuf, "%02d;BCON_R,BX75\n", (int) a);
- break;
-#ifdef CONFIG_ISDN_X25
- case ISDN_PROTO_L2_X25DTE:
- sprintf(cbuf, "%02d;BCON_R,BX2T\n", (int) a);
- break;
- case ISDN_PROTO_L2_X25DCE:
- sprintf(cbuf, "%02d;BCON_R,BX2C\n", (int) a);
- break;
-#endif
- case ISDN_PROTO_L2_HDLC:
- sprintf(cbuf, "%02d;BCON_R,BTRA\n", (int) a);
- break;
- default:
- sprintf(cbuf, "%02d;BCON_R\n", (int) a);
- }
- printk(KERN_DEBUG "isdnloop writecmd '%s'\n", cbuf);
- i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
- break;
- case ISDN_CMD_HANGUP:
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- if (c->arg < ISDNLOOP_BCH) {
- a = c->arg + 1;
- sprintf(cbuf, "%02d;BDIS_R\n%02d;DDIS_R\n", (int) a, (int) a);
- i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
- }
- break;
- case ISDN_CMD_SETEAZ:
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- if (card->leased)
- break;
- if (c->arg < ISDNLOOP_BCH) {
- a = c->arg + 1;
- if (card->ptype == ISDN_PTYPE_EURO) {
- sprintf(cbuf, "%02d;MS%s%s\n", (int) a,
- c->parm.num[0] ? "N" : "ALL", c->parm.num);
- } else
- sprintf(cbuf, "%02d;EAZ%s\n", (int) a,
- c->parm.num[0] ? c->parm.num : (u_char *) "0123456789");
- i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
- }
- break;
- case ISDN_CMD_CLREAZ:
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- if (card->leased)
- break;
- if (c->arg < ISDNLOOP_BCH) {
- a = c->arg + 1;
- if (card->ptype == ISDN_PTYPE_EURO)
- sprintf(cbuf, "%02d;MSNC\n", (int) a);
- else
- sprintf(cbuf, "%02d;EAZC\n", (int) a);
- i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
- }
- break;
- case ISDN_CMD_SETL2:
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- if ((c->arg & 255) < ISDNLOOP_BCH) {
- a = c->arg;
- switch (a >> 8) {
- case ISDN_PROTO_L2_X75I:
- sprintf(cbuf, "%02d;BX75\n", (int) (a & 255) + 1);
- break;
-#ifdef CONFIG_ISDN_X25
- case ISDN_PROTO_L2_X25DTE:
- sprintf(cbuf, "%02d;BX2T\n", (int) (a & 255) + 1);
- break;
- case ISDN_PROTO_L2_X25DCE:
- sprintf(cbuf, "%02d;BX2C\n", (int) (a & 255) + 1);
- break;
-#endif
- case ISDN_PROTO_L2_HDLC:
- sprintf(cbuf, "%02d;BTRA\n", (int) (a & 255) + 1);
- break;
- case ISDN_PROTO_L2_TRANS:
- sprintf(cbuf, "%02d;BTRA\n", (int) (a & 255) + 1);
- break;
- default:
- return -EINVAL;
- }
- i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
- card->l2_proto[a & 255] = (a >> 8);
- }
- break;
- case ISDN_CMD_SETL3:
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- return 0;
- default:
- return -EINVAL;
- }
- }
- return 0;
-}
-
-/*
- * Find card with given driverId
- */
-static inline isdnloop_card *
-isdnloop_findcard(int driverid)
-{
- isdnloop_card *p = cards;
-
- while (p) {
- if (p->myid == driverid)
- return p;
- p = p->next;
- }
- return (isdnloop_card *) 0;
-}
-
-/*
- * Wrapper functions for interface to linklevel
- */
-static int
-if_command(isdn_ctrl *c)
-{
- isdnloop_card *card = isdnloop_findcard(c->driver);
-
- if (card)
- return isdnloop_command(c, card);
- printk(KERN_ERR
- "isdnloop: if_command called with invalid driverId!\n");
- return -ENODEV;
-}
-
-static int
-if_writecmd(const u_char __user *buf, int len, int id, int channel)
-{
- isdnloop_card *card = isdnloop_findcard(id);
-
- if (card) {
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- return isdnloop_writecmd(buf, len, 1, card);
- }
- printk(KERN_ERR
- "isdnloop: if_writecmd called with invalid driverId!\n");
- return -ENODEV;
-}
-
-static int
-if_readstatus(u_char __user *buf, int len, int id, int channel)
-{
- isdnloop_card *card = isdnloop_findcard(id);
-
- if (card) {
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- return isdnloop_readstatus(buf, len, card);
- }
- printk(KERN_ERR
- "isdnloop: if_readstatus called with invalid driverId!\n");
- return -ENODEV;
-}
-
-static int
-if_sendbuf(int id, int channel, int ack, struct sk_buff *skb)
-{
- isdnloop_card *card = isdnloop_findcard(id);
-
- if (card) {
- if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
- return -ENODEV;
- /* ack request stored in skb scratch area */
- *(skb->head) = ack;
- return isdnloop_sendbuf(channel, skb, card);
- }
- printk(KERN_ERR
- "isdnloop: if_sendbuf called with invalid driverId!\n");
- return -ENODEV;
-}
-
-/*
- * Allocate a new card-struct, initialize it
- * link it into cards-list and register it at linklevel.
- */
-static isdnloop_card *
-isdnloop_initcard(char *id)
-{
- isdnloop_card *card;
- int i;
- card = kzalloc(sizeof(isdnloop_card), GFP_KERNEL);
- if (!card) {
- printk(KERN_WARNING
- "isdnloop: (%s) Could not allocate card-struct.\n", id);
- return (isdnloop_card *) 0;
- }
- card->interface.owner = THIS_MODULE;
- card->interface.channels = ISDNLOOP_BCH;
- card->interface.hl_hdrlen = 1; /* scratch area for storing ack flag*/
- card->interface.maxbufsize = 4000;
- card->interface.command = if_command;
- card->interface.writebuf_skb = if_sendbuf;
- card->interface.writecmd = if_writecmd;
- card->interface.readstat = if_readstatus;
- card->interface.features = ISDN_FEATURE_L2_X75I |
-#ifdef CONFIG_ISDN_X25
- ISDN_FEATURE_L2_X25DTE |
- ISDN_FEATURE_L2_X25DCE |
-#endif
- ISDN_FEATURE_L2_HDLC |
- ISDN_FEATURE_L3_TRANS |
- ISDN_FEATURE_P_UNKNOWN;
- card->ptype = ISDN_PTYPE_UNKNOWN;
- strlcpy(card->interface.id, id, sizeof(card->interface.id));
- card->msg_buf_write = card->msg_buf;
- card->msg_buf_read = card->msg_buf;
- card->msg_buf_end = &card->msg_buf[sizeof(card->msg_buf) - 1];
- for (i = 0; i < ISDNLOOP_BCH; i++) {
- card->l2_proto[i] = ISDN_PROTO_L2_X75I;
- skb_queue_head_init(&card->bqueue[i]);
- }
- skb_queue_head_init(&card->dqueue);
- spin_lock_init(&card->isdnloop_lock);
- card->next = cards;
- cards = card;
- if (!register_isdn(&card->interface)) {
- cards = cards->next;
- printk(KERN_WARNING
- "isdnloop: Unable to register %s\n", id);
- kfree(card);
- return (isdnloop_card *) 0;
- }
- card->myid = card->interface.channels;
- return card;
-}
-
-static int
-isdnloop_addcard(char *id1)
-{
- isdnloop_card *card;
- card = isdnloop_initcard(id1);
- if (!card) {
- return -EIO;
- }
- printk(KERN_INFO
- "isdnloop: (%s) virtual card added\n",
- card->interface.id);
- return 0;
-}
-
-static int __init
-isdnloop_init(void)
-{
- if (isdnloop_id)
- return isdnloop_addcard(isdnloop_id);
-
- return 0;
-}
-
-static void __exit
-isdnloop_exit(void)
-{
- isdn_ctrl cmd;
- isdnloop_card *card = cards;
- isdnloop_card *last;
- int i;
-
- isdnloop_stopallcards();
- while (card) {
- cmd.command = ISDN_STAT_UNLOAD;
- cmd.driver = card->myid;
- card->interface.statcallb(&cmd);
- for (i = 0; i < ISDNLOOP_BCH; i++)
- isdnloop_free_queue(card, i);
- card = card->next;
- }
- card = cards;
- while (card) {
- last = card;
- skb_queue_purge(&card->dqueue);
- card = card->next;
- kfree(last);
- }
- printk(KERN_NOTICE "isdnloop-ISDN-driver unloaded\n");
-}
-
-module_init(isdnloop_init);
-module_exit(isdnloop_exit);
diff --git a/drivers/isdn/isdnloop/isdnloop.h b/drivers/isdn/isdnloop/isdnloop.h
deleted file mode 100644
index e9e035552bb4..000000000000
--- a/drivers/isdn/isdnloop/isdnloop.h
+++ /dev/null
@@ -1,112 +0,0 @@
-/* $Id: isdnloop.h,v 1.5.6.3 2001/09/23 22:24:56 kai Exp $
- *
- * Loopback lowlevel module for testing of linklevel.
- *
- * Copyright 1997 by Fritz Elfert (fritz@isdn4linux.de)
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-#ifndef isdnloop_h
-#define isdnloop_h
-
-#define ISDNLOOP_IOCTL_DEBUGVAR 0
-#define ISDNLOOP_IOCTL_ADDCARD 1
-#define ISDNLOOP_IOCTL_LEASEDCFG 2
-#define ISDNLOOP_IOCTL_STARTUP 3
-
-/* Struct for adding new cards */
-typedef struct isdnloop_cdef {
- char id1[10];
-} isdnloop_cdef;
-
-/* Struct for configuring cards */
-typedef struct isdnloop_sdef {
- int ptype;
- char num[3][20];
-} isdnloop_sdef;
-
-#if defined(__KERNEL__) || defined(__DEBUGVAR__)
-
-#ifdef __KERNEL__
-/* Kernel includes */
-
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/major.h>
-#include <asm/io.h>
-#include <linux/kernel.h>
-#include <linux/signal.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/ioport.h>
-#include <linux/timer.h>
-#include <linux/wait.h>
-#include <linux/isdnif.h>
-
-#endif /* __KERNEL__ */
-
-#define ISDNLOOP_FLAGS_B1ACTIVE 1 /* B-Channel-1 is open */
-#define ISDNLOOP_FLAGS_B2ACTIVE 2 /* B-Channel-2 is open */
-#define ISDNLOOP_FLAGS_RUNNING 4 /* Cards driver activated */
-#define ISDNLOOP_FLAGS_RBTIMER 8 /* scheduling of B-Channel-poll */
-#define ISDNLOOP_TIMER_BCREAD 1 /* B-Channel poll-cycle */
-#define ISDNLOOP_TIMER_DCREAD (HZ/2) /* D-Channel poll-cycle */
-#define ISDNLOOP_TIMER_ALERTWAIT (10 * HZ) /* Alert timeout */
-#define ISDNLOOP_MAX_SQUEUE 65536 /* Max. outstanding send-data */
-#define ISDNLOOP_BCH 2 /* channels per card */
-
-/*
- * Per card driver data
- */
-typedef struct isdnloop_card {
- struct isdnloop_card *next; /* Pointer to next device struct */
- struct isdnloop_card
- *rcard[ISDNLOOP_BCH]; /* Pointer to 'remote' card */
- int rch[ISDNLOOP_BCH]; /* 'remote' channel */
- int myid; /* Driver-Nr. assigned by linklevel */
- int leased; /* Flag: This Adapter is connected */
- /* to a leased line */
- int sil[ISDNLOOP_BCH]; /* SI's to listen for */
- char eazlist[ISDNLOOP_BCH][11];
- /* EAZ's to listen for */
- char s0num[3][20]; /* 1TR6 base-number or MSN's */
- unsigned short flags; /* Statusflags */
- int ptype; /* Protocol type (1TR6 or Euro) */
- struct timer_list st_timer; /* Timer for Status-Polls */
- struct timer_list rb_timer; /* Timer for B-Channel-Polls */
- struct timer_list
- c_timer[ISDNLOOP_BCH]; /* Timer for Alerting */
- int l2_proto[ISDNLOOP_BCH]; /* Current layer-2-protocol */
- isdn_if interface; /* Interface to upper layer */
- int iptr; /* Index to imsg-buffer */
- char imsg[60]; /* Internal buf for status-parsing */
- int optr; /* Index to omsg-buffer */
- char omsg[60]; /* Internal buf for cmd-parsing */
- char msg_buf[2048]; /* Buffer for status-messages */
- char *msg_buf_write; /* Writepointer for statusbuffer */
- char *msg_buf_read; /* Readpointer for statusbuffer */
- char *msg_buf_end; /* Pointer to end of statusbuffer */
- int sndcount[ISDNLOOP_BCH]; /* Byte-counters for B-Ch.-send */
- struct sk_buff_head
- bqueue[ISDNLOOP_BCH]; /* B-Channel queues */
- struct sk_buff_head dqueue; /* D-Channel queue */
- spinlock_t isdnloop_lock;
-} isdnloop_card;
-
-/*
- * Main driver data
- */
-#ifdef __KERNEL__
-static isdnloop_card *cards = (isdnloop_card *) 0;
-#endif /* __KERNEL__ */
-
-/* Utility-Macros */
-
-#define CID (card->interface.id)
-
-#endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */
-#endif /* isdnloop_h */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 18:18:52 +0100