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path: root/drivers/staging/i4l/pcbit/callbacks.c
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Diffstat (limited to 'drivers/staging/i4l/pcbit/callbacks.c')
-rw-r--r--drivers/staging/i4l/pcbit/callbacks.c345
1 files changed, 0 insertions, 345 deletions
diff --git a/drivers/staging/i4l/pcbit/callbacks.c b/drivers/staging/i4l/pcbit/callbacks.c
deleted file mode 100644
index 212ab0b229d4..000000000000
--- a/drivers/staging/i4l/pcbit/callbacks.c
+++ /dev/null
@@ -1,345 +0,0 @@
-/*
- * Callbacks for the FSM
- *
- * Copyright (C) 1996 Universidade de Lisboa
- *
- * Written by Pedro Roque Marques (roque@di.fc.ul.pt)
- *
- * This software may be used and distributed according to the terms of
- * the GNU General Public License, incorporated herein by reference.
- */
-
-/*
- * Fix: 19981230 - Carlos Morgado <chbm@techie.com>
- * Port of Nelson Escravana's <nelson.escravana@usa.net> fix to CalledPN
- * NULL pointer dereference in cb_in_1 (originally fixed in 2.0)
- */
-
-#include <linux/string.h>
-#include <linux/kernel.h>
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/skbuff.h>
-
-#include <linux/io.h>
-
-#include <linux/isdnif.h>
-
-#include "pcbit.h"
-#include "layer2.h"
-#include "edss1.h"
-#include "callbacks.h"
-#include "capi.h"
-
-ushort last_ref_num = 1;
-
-/*
- * send_conn_req
- *
- */
-
-void cb_out_1(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *cbdata)
-{
- struct sk_buff *skb;
- int len;
- ushort refnum;
-
-
-#ifdef DEBUG
- printk(KERN_DEBUG "Called Party Number: %s\n",
- cbdata->data.setup.CalledPN);
-#endif
- /*
- * hdr - kmalloc in capi_conn_req
- * - kfree when msg has been sent
- */
-
- if ((len = capi_conn_req(cbdata->data.setup.CalledPN, &skb,
- chan->proto)) < 0)
- {
- printk("capi_conn_req failed\n");
- return;
- }
-
-
- refnum = last_ref_num++ & 0x7fffU;
-
- chan->callref = 0;
- chan->layer2link = 0;
- chan->snum = 0;
- chan->s_refnum = refnum;
-
- pcbit_l2_write(dev, MSG_CONN_REQ, refnum, skb, len);
-}
-
-/*
- * rcv CONNECT
- * will go into ACTIVE state
- * send CONN_ACTIVE_RESP
- * send Select protocol request
- */
-
-void cb_out_2(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *data)
-{
- isdn_ctrl ictl;
- struct sk_buff *skb;
- int len;
- ushort refnum;
-
- if ((len = capi_conn_active_resp(chan, &skb)) < 0)
- {
- printk("capi_conn_active_req failed\n");
- return;
- }
-
- refnum = last_ref_num++ & 0x7fffU;
- chan->s_refnum = refnum;
-
- pcbit_l2_write(dev, MSG_CONN_ACTV_RESP, refnum, skb, len);
-
-
- ictl.command = ISDN_STAT_DCONN;
- ictl.driver = dev->id;
- ictl.arg = chan->id;
- dev->dev_if->statcallb(&ictl);
-
- /* ACTIVE D-channel */
-
- /* Select protocol */
-
- if ((len = capi_select_proto_req(chan, &skb, 1 /*outgoing*/)) < 0) {
- printk("capi_select_proto_req failed\n");
- return;
- }
-
- refnum = last_ref_num++ & 0x7fffU;
- chan->s_refnum = refnum;
-
- pcbit_l2_write(dev, MSG_SELP_REQ, refnum, skb, len);
-}
-
-
-/*
- * Incoming call received
- * inform user
- */
-
-void cb_in_1(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *cbdata)
-{
- isdn_ctrl ictl;
- unsigned short refnum;
- struct sk_buff *skb;
- int len;
-
-
- ictl.command = ISDN_STAT_ICALL;
- ictl.driver = dev->id;
- ictl.arg = chan->id;
-
- /*
- * ictl.num >= strlen() + strlen() + 5
- */
-
- if (cbdata->data.setup.CallingPN == NULL) {
- printk(KERN_DEBUG "NULL CallingPN to phone; using 0\n");
- strcpy(ictl.parm.setup.phone, "0");
- }
- else {
- strcpy(ictl.parm.setup.phone, cbdata->data.setup.CallingPN);
- }
- if (cbdata->data.setup.CalledPN == NULL) {
- printk(KERN_DEBUG "NULL CalledPN to eazmsn; using 0\n");
- strcpy(ictl.parm.setup.eazmsn, "0");
- }
- else {
- strcpy(ictl.parm.setup.eazmsn, cbdata->data.setup.CalledPN);
- }
- ictl.parm.setup.si1 = 7;
- ictl.parm.setup.si2 = 0;
- ictl.parm.setup.plan = 0;
- ictl.parm.setup.screen = 0;
-
-#ifdef DEBUG
- printk(KERN_DEBUG "statstr: %s\n", ictl.num);
-#endif
-
- dev->dev_if->statcallb(&ictl);
-
-
- if ((len = capi_conn_resp(chan, &skb)) < 0) {
- printk(KERN_DEBUG "capi_conn_resp failed\n");
- return;
- }
-
- refnum = last_ref_num++ & 0x7fffU;
- chan->s_refnum = refnum;
-
- pcbit_l2_write(dev, MSG_CONN_RESP, refnum, skb, len);
-}
-
-/*
- * user has replied
- * open the channel
- * send CONNECT message CONNECT_ACTIVE_REQ in CAPI
- */
-
-void cb_in_2(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *data)
-{
- unsigned short refnum;
- struct sk_buff *skb;
- int len;
-
- if ((len = capi_conn_active_req(chan, &skb)) < 0) {
- printk(KERN_DEBUG "capi_conn_active_req failed\n");
- return;
- }
-
-
- refnum = last_ref_num++ & 0x7fffU;
- chan->s_refnum = refnum;
-
- printk(KERN_DEBUG "sending MSG_CONN_ACTV_REQ\n");
- pcbit_l2_write(dev, MSG_CONN_ACTV_REQ, refnum, skb, len);
-}
-
-/*
- * CONN_ACK arrived
- * start b-proto selection
- *
- */
-
-void cb_in_3(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *data)
-{
- unsigned short refnum;
- struct sk_buff *skb;
- int len;
-
- if ((len = capi_select_proto_req(chan, &skb, 0 /*incoming*/)) < 0)
- {
- printk("capi_select_proto_req failed\n");
- return;
- }
-
- refnum = last_ref_num++ & 0x7fffU;
- chan->s_refnum = refnum;
-
- pcbit_l2_write(dev, MSG_SELP_REQ, refnum, skb, len);
-
-}
-
-
-/*
- * Received disconnect ind on active state
- * send disconnect resp
- * send msg to user
- */
-void cb_disc_1(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *data)
-{
- struct sk_buff *skb;
- int len;
- ushort refnum;
- isdn_ctrl ictl;
-
- if ((len = capi_disc_resp(chan, &skb)) < 0) {
- printk("capi_disc_resp failed\n");
- return;
- }
-
- refnum = last_ref_num++ & 0x7fffU;
- chan->s_refnum = refnum;
-
- pcbit_l2_write(dev, MSG_DISC_RESP, refnum, skb, len);
-
- ictl.command = ISDN_STAT_BHUP;
- ictl.driver = dev->id;
- ictl.arg = chan->id;
- dev->dev_if->statcallb(&ictl);
-}
-
-
-/*
- * User HANGUP on active/call proceeding state
- * send disc.req
- */
-void cb_disc_2(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *data)
-{
- struct sk_buff *skb;
- int len;
- ushort refnum;
-
- if ((len = capi_disc_req(chan->callref, &skb, CAUSE_NORMAL)) < 0)
- {
- printk("capi_disc_req failed\n");
- return;
- }
-
- refnum = last_ref_num++ & 0x7fffU;
- chan->s_refnum = refnum;
-
- pcbit_l2_write(dev, MSG_DISC_REQ, refnum, skb, len);
-}
-
-/*
- * Disc confirm received send BHUP
- * Problem: when the HL driver sends the disc req itself
- * LL receives BHUP
- */
-void cb_disc_3(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *data)
-{
- isdn_ctrl ictl;
-
- ictl.command = ISDN_STAT_BHUP;
- ictl.driver = dev->id;
- ictl.arg = chan->id;
- dev->dev_if->statcallb(&ictl);
-}
-
-void cb_notdone(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *data)
-{
-}
-
-/*
- * send activate b-chan protocol
- */
-void cb_selp_1(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *data)
-{
- struct sk_buff *skb;
- int len;
- ushort refnum;
-
- if ((len = capi_activate_transp_req(chan, &skb)) < 0)
- {
- printk("capi_conn_activate_transp_req failed\n");
- return;
- }
-
- refnum = last_ref_num++ & 0x7fffU;
- chan->s_refnum = refnum;
-
- pcbit_l2_write(dev, MSG_ACT_TRANSP_REQ, refnum, skb, len);
-}
-
-/*
- * Inform User that the B-channel is available
- */
-void cb_open(struct pcbit_dev *dev, struct pcbit_chan *chan,
- struct callb_data *data)
-{
- isdn_ctrl ictl;
-
- ictl.command = ISDN_STAT_BCONN;
- ictl.driver = dev->id;
- ictl.arg = chan->id;
- dev->dev_if->statcallb(&ictl);
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.