/* $Id: capi.c,v 1.9.6.2 2001/09/23 22:24:32 kai Exp $
*
* ISDN lowlevel-module for the IBM ISDN-S0 Active 2000.
* CAPI encoder/decoder
*
* Author Fritz Elfert
* Copyright 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.
*
* Thanks to Friedemann Baitinger and IBM Germany
*
*/
#include "act2000.h"
#include "capi.h"
static actcapi_msgdsc valid_msg[] = {
{{ 0x86, 0x02}, "DATA_B3_IND"}, /* DATA_B3_IND/CONF must be first because of speed!!! */
{{ 0x86, 0x01}, "DATA_B3_CONF"},
{{ 0x02, 0x01}, "CONNECT_CONF"},
{{ 0x02, 0x02}, "CONNECT_IND"},
{{ 0x09, 0x01}, "CONNECT_INFO_CONF"},
{{ 0x03, 0x02}, "CONNECT_ACTIVE_IND"},
{{ 0x04, 0x01}, "DISCONNECT_CONF"},
{{ 0x04, 0x02}, "DISCONNECT_IND"},
{{ 0x05, 0x01}, "LISTEN_CONF"},
{{ 0x06, 0x01}, "GET_PARAMS_CONF"},
{{ 0x07, 0x01}, "INFO_CONF"},
{{ 0x07, 0x02}, "INFO_IND"},
{{ 0x08, 0x01}, "DATA_CONF"},
{{ 0x08, 0x02}, "DATA_IND"},
{{ 0x40, 0x01}, "SELECT_B2_PROTOCOL_CONF"},
{{ 0x80, 0x01}, "SELECT_B3_PROTOCOL_CONF"},
{{ 0x81, 0x01}, "LISTEN_B3_CONF"},
{{ 0x82, 0x01}, "CONNECT_B3_CONF"},
{{ 0x82, 0x02}, "CONNECT_B3_IND"},
{{ 0x83, 0x02}, "CONNECT_B3_ACTIVE_IND"},
{{ 0x84, 0x01}, "DISCONNECT_B3_CONF"},
{{ 0x84, 0x02}, "DISCONNECT_B3_IND"},
{{ 0x85, 0x01}, "GET_B3_PARAMS_CONF"},
{{ 0x01, 0x01}, "RESET_B3_CONF"},
{{ 0x01, 0x02}, "RESET_B3_IND"},
/* {{ 0x87, 0x02, "HANDSET_IND"}, not implemented */
{{ 0xff, 0x01}, "MANUFACTURER_CONF"},
{{ 0xff, 0x02}, "MANUFACTURER_IND"},
#ifdef DEBUG_MSG
/* Requests */
{{ 0x01, 0x00}, "RESET_B3_REQ"},
{{ 0x02, 0x00}, "CONNECT_REQ"},
{{ 0x04, 0x00}, "DISCONNECT_REQ"},
{{ 0x05, 0x00}, "LISTEN_REQ"},
{{ 0x06, 0x00}, "GET_PARAMS_REQ"},
{{ 0x07, 0x00}, "INFO_REQ"},
{{ 0x08, 0x00}, "DATA_REQ"},
{{ 0x09, 0x00}, "CONNECT_INFO_REQ"},
{{ 0x40, 0x00}, "SELECT_B2_PROTOCOL_REQ"},
{{ 0x80, 0x00}, "SELECT_B3_PROTOCOL_REQ"},
{{ 0x81, 0x00}, "LISTEN_B3_REQ"},
{{ 0x82, 0x00}, "CONNECT_B3_REQ"},
{{ 0x84, 0x00}, "DISCONNECT_B3_REQ"},
{{ 0x85, 0x00}, "GET_B3_PARAMS_REQ"},
{{ 0x86, 0x00}, "DATA_B3_REQ"},
{{ 0xff, 0x00}, "MANUFACTURER_REQ"},
/* Responses */
{{ 0x01, 0x03}, "RESET_B3_RESP"},
{{ 0x02, 0x03}, "CONNECT_RESP"},
{{ 0x03, 0x03}, "CONNECT_ACTIVE_RESP"},
{{ 0x04, 0x03}, "DISCONNECT_RESP"},
{{ 0x07, 0x03}, "INFO_RESP"},
{{ 0x08, 0x03}, "DATA_RESP"},
{{ 0x82, 0x03}, "CONNECT_B3_RESP"},
{{ 0x83, 0x03}, "CONNECT_B3_ACTIVE_RESP"},
{{ 0x84, 0x03}, "DISCONNECT_B3_RESP"},
{{ 0x86, 0x03}, "DATA_B3_RESP"},
{{ 0xff, 0x03}, "MANUFACTURER_RESP"},
#endif
{{ 0x00, 0x00}, NULL},
};
#define num_valid_imsg 27 /* MANUFACTURER_IND */
/*
* Check for a valid incoming CAPI message.
* Return:
* 0 = Invalid message
* 1 = Valid message, no B-Channel-data
* 2 = Valid message, B-Channel-data
*/
int
actcapi_chkhdr(act2000_card *card, actcapi_msghdr *hdr)
{
int i;
if (hdr->applicationID != 1)
return 0;
if (hdr->len < 9)
return 0;
for (i = 0; i < num_valid_imsg; i++)
if ((hdr->cmd.cmd == valid_msg[i].cmd.cmd) &&
(hdr->cmd.subcmd == valid_msg[i].cmd.subcmd)) {
return (i ? 1 : 2);
}
return 0;
}
#define ACTCAPI_MKHDR(l, c, s) { \
skb = alloc_skb(l + 8, GFP_ATOMIC); \
if (skb) { \
m = (actcapi_msg *)skb_put(skb, l + 8); \
m->hdr.len = l + 8; \
m->hdr.applicationID = 1; \
m->hdr.cmd.cmd = c; \
m->hdr.cmd.subcmd = s; \
m->hdr.msgnum = actcapi_nextsmsg(card); \
} else m = NULL; \
}
#define ACTCAPI_CHKSKB if (!skb) { \
printk(KERN_WARNING "actcapi: alloc_skb failed\n"); \
return; \
}
#define ACTCAPI_QUEUE_TX { \
actcapi_debug_msg(skb, 1); \
skb_queue_tail(&card->sndq, skb); \
act2000_schedule_tx(card); \
}
int
actcapi_listen_req(act2000_card *card)
{
__u16 eazmask = 0;
int i;
actcapi_msg *m;
struct sk_buff *skb;
for (i = 0; i < ACT2000_BCH; i++)
eazmask |= card->bch[i].eazmask;
ACTCAPI_MKHDR(9, 0x05, 0x00);
if (!skb) {
printk(KERN_WARNING "actcapi: alloc_skb failed\n");
return -ENOMEM;
}
m->msg.listen_req.controller = 0;
m->msg.listen_req.infomask = 0x3f; /* All information */
m->msg.listen_req.eazmask = eazmask;
m->msg.listen_req.simask = (eazmask) ? 0x86 : 0; /* All SI's */
ACTCAPI_QUEUE_TX;
return 0;
}
int
actcapi_connect_req(act2000_card *card, act2000_chan *chan, char *phone,
char eaz, int si1, int si2)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR((11 + strlen(phone)), 0x02, 0x00);
if (!skb) {
printk(KERN_WARNING "actcapi: alloc_skb failed\n");
chan->fsm_state = ACT2000_STATE_NULL;
return -ENOMEM;
}
m->msg.connect_req.controller = 0;
m->msg.connect_req.bchan = 0x83;
m->msg.connect_req.infomask = 0x3f;
m->msg.connect_req.si1 = si1;
m->msg.connect_req.si2 = si2;
m->msg.connect_req.eaz = eaz ? eaz : '0';
m->msg.connect_req.addr.len = strlen(phone) + 1;
m->msg.connect_req.addr.tnp = 0x81;
memcpy(m->msg.connect_req.addr.num, phone, strlen(phone));
chan->callref = m->hdr.msgnum;
ACTCAPI_QUEUE_TX;
return 0;
}
static void
actcapi_connect_b3_req(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(17, 0x82, 0x00);
ACTCAPI_CHKSKB;
m->msg.connect_b3_req.plci = chan->plci;
memset(&m->msg.connect_b3_req.ncpi, 0,
sizeof(m->msg.connect_b3_req.ncpi));
m->msg.connect_b3_req.ncpi.len = 13;
m->msg.connect_b3_req.ncpi.modulo = 8;
ACTCAPI_QUEUE_TX;
}
/*
* Set net type (1TR6) or (EDSS1)
*/
int
actcapi_manufacturer_req_net(act2000_card *card)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(5, 0xff, 0x00);
if (!skb) {
printk(KERN_WARNING "actcapi: alloc_skb failed\n");
return -ENOMEM;
}
m->msg.manufacturer_req_net.manuf_msg = 0x11;
m->msg.manufacturer_req_net.controller = 1;
m->msg.manufacturer_req_net.nettype = (card->ptype == ISDN_PTYPE_EURO) ? 1 : 0;
ACTCAPI_QUEUE_TX;
printk(KERN_INFO "act2000 %s: D-channel protocol now %s\n",
card->interface.id, (card->ptype == ISDN_PTYPE_EURO) ? "euro" : "1tr6");
card->interface.features &=
~(ISDN_FEATURE_P_UNKNOWN | ISDN_FEATURE_P_EURO | ISDN_FEATURE_P_1TR6);
card->interface.features |=
((card->ptype == ISDN_PTYPE_EURO) ? ISDN_FEATURE_P_EURO : ISDN_FEATURE_P_1TR6);
return 0;
}
/*
* Switch V.42 on or off
*/
#if 0
int
actcapi_manufacturer_req_v42(act2000_card *card, ulong arg)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(8, 0xff, 0x00);
if (!skb) {
printk(KERN_WARNING "actcapi: alloc_skb failed\n");
return -ENOMEM;
}
m->msg.manufacturer_req_v42.manuf_msg = 0x10;
m->msg.manufacturer_req_v42.controller = 0;
m->msg.manufacturer_req_v42.v42control = (arg ? 1 : 0);
ACTCAPI_QUEUE_TX;
return 0;
}
#endif /* 0 */
/*
* Set error-handler
*/
int
actcapi_manufacturer_req_errh(act2000_card *card)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(4, 0xff, 0x00);
if (!skb) {
printk(KERN_WARNING "actcapi: alloc_skb failed\n");
return -ENOMEM;
}
m->msg.manufacturer_req_err.manuf_msg = 0x03;
m->msg.manufacturer_req_err.controller = 0;
ACTCAPI_QUEUE_TX;
return 0;
}
/*
* Set MSN-Mapping.
*/
int
actcapi_manufacturer_req_msn(act2000_card *card)
{
msn_entry *p = card->msn_list;
actcapi_msg *m;
struct sk_buff *skb;
int len;
while (p) {
int i;
len = strlen(p->msn);
for (i = 0; i < 2; i++) {
ACTCAPI_MKHDR(6 + len, 0xff, 0x00);
if (!skb) {
printk(KERN_WARNING "actcapi: alloc_skb failed\n");
return -ENOMEM;
}
m->msg.manufacturer_req_msn.manuf_msg = 0x13 + i;
m->msg.manufacturer_req_msn.controller = 0;
m->msg.manufacturer_req_msn.msnmap.eaz = p->eaz;
m->msg.manufacturer_req_msn.msnmap.len = len;
memcpy(m->msg.manufacturer_req_msn.msnmap.msn, p->msn, len);
ACTCAPI_QUEUE_TX;
}
p = p->next;
}
return 0;
}
void
actcapi_select_b2_protocol_req(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(10, 0x40, 0x00);
ACTCAPI_CHKSKB;
m->msg.select_b2_protocol_req.plci = chan->plci;
memset(&m->msg.select_b2_protocol_req.dlpd, 0,
sizeof(m->msg.select_b2_protocol_req.dlpd));
m->msg.select_b2_protocol_req.dlpd.len = 6;
switch (chan->l2prot) {
case ISDN_PROTO_L2_TRANS:
m->msg.select_b2_protocol_req.protocol = 0x03;
m->msg.select_b2_protocol_req.dlpd.dlen = 4000;
break;
case ISDN_PROTO_L2_HDLC:
m->msg.select_b2_protocol_req.protocol = 0x02;
m->msg.select_b2_protocol_req.dlpd.dlen = 4000;
break;
case ISDN_PROTO_L2_X75I:
case ISDN_PROTO_L2_X75UI:
case ISDN_PROTO_L2_X75BUI:
m->msg.select_b2_protocol_req.protocol = 0x01;
m->msg.select_b2_protocol_req.dlpd.dlen = 4000;
m->msg.select_b2_protocol_req.dlpd.laa = 3;
m->msg.select_b2_protocol_req.dlpd.lab = 1;
m->msg.select_b2_protocol_req.dlpd.win = 7;
m->msg.select_b2_protocol_req.dlpd.modulo = 8;
break;
}
ACTCAPI_QUEUE_TX;
}
static void
actcapi_select_b3_protocol_req(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(17, 0x80, 0x00);
ACTCAPI_CHKSKB;
m->msg.select_b3_protocol_req.plci = chan->plci;
memset(&m->msg.select_b3_protocol_req.ncpd, 0,
sizeof(m->msg.select_b3_protocol_req.ncpd));
switch (chan->l3prot) {
case ISDN_PROTO_L3_TRANS:
m->msg.select_b3_protocol_req.protocol = 0x04;
m->msg.select_b3_protocol_req.ncpd.len = 13;
m->msg.select_b3_protocol_req.ncpd.modulo = 8;
break;
}
ACTCAPI_QUEUE_TX;
}
static void
actcapi_listen_b3_req(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(2, 0x81, 0x00);
ACTCAPI_CHKSKB;
m->msg.listen_b3_req.plci = chan->plci;
ACTCAPI_QUEUE_TX;
}
static void
actcapi_disconnect_req(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(3, 0x04, 0x00);
ACTCAPI_CHKSKB;
m->msg.disconnect_req.plci = chan->plci;
m->msg.disconnect_req.cause = 0;
ACTCAPI_QUEUE_TX;
}
void
actcapi_disconnect_b3_req(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(17, 0x84, 0x00);
ACTCAPI_CHKSKB;
m->msg.disconnect_b3_req.ncci = chan->ncci;
memset(&m->msg.disconnect_b3_req.ncpi, 0,
sizeof(m->msg.disconnect_b3_req.ncpi));
m->msg.disconnect_b3_req.ncpi.len = 13;
m->msg.disconnect_b3_req.ncpi.modulo = 8;
chan->fsm_state = ACT2000_STATE_BHWAIT;
ACTCAPI_QUEUE_TX;
}
void
actcapi_connect_resp(act2000_card *card, act2000_chan *chan, __u8 cause)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(3, 0x02, 0x03);
ACTCAPI_CHKSKB;
m->msg.connect_resp.plci = chan->plci;
m->msg.connect_resp.rejectcause = cause;
if (cause) {
chan->fsm_state = ACT2000_STATE_NULL;
chan->plci = 0x8000;
} else
chan->fsm_state = ACT2000_STATE_IWAIT;
ACTCAPI_QUEUE_TX;
}
static void
actcapi_connect_active_resp(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(2, 0x03, 0x03);
ACTCAPI_CHKSKB;
m->msg.connect_resp.plci = chan->plci;
if (chan->fsm_state == ACT2000_STATE_IWAIT)
chan->fsm_state = ACT2000_STATE_IBWAIT;
ACTCAPI_QUEUE_TX;
}
static void
actcapi_connect_b3_resp(act2000_card *card, act2000_chan *chan, __u8 rejectcause)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR((rejectcause ? 3 : 17), 0x82, 0x03);
ACTCAPI_CHKSKB;
m->msg.connect_b3_resp.ncci = chan->ncci;
m->msg.connect_b3_resp.rejectcause = rejectcause;
if (!rejectcause) {
memset(&m->msg.connect_b3_resp.ncpi, 0,
sizeof(m->msg.connect_b3_resp.ncpi));
m->msg.connect_b3_resp.ncpi.len = 13;
m->msg.connect_b3_resp.ncpi.modulo = 8;
chan->fsm_state = ACT2000_STATE_BWAIT;
}
ACTCAPI_QUEUE_TX;
}
static void
actcapi_connect_b3_active_resp(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(2, 0x83, 0x03);
ACTCAPI_CHKSKB;
m->msg.connect_b3_active_resp.ncci = chan->ncci;
chan->fsm_state = ACT2000_STATE_ACTIVE;
ACTCAPI_QUEUE_TX;
}
static void
actcapi_info_resp(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(2, 0x07, 0x03);
ACTCAPI_CHKSKB;
m->msg.info_resp.plci = chan->plci;
ACTCAPI_QUEUE_TX;
}
static void
actcapi_disconnect_b3_resp(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(2, 0x84, 0x03);
ACTCAPI_CHKSKB;
m->msg.disconnect_b3_resp.ncci = chan->ncci;
chan->ncci = 0x8000;
chan->queued = 0;
ACTCAPI_QUEUE_TX;
}
static void
actcapi_disconnect_resp(act2000_card *card, act2000_chan *chan)
{
actcapi_msg *m;
struct sk_buff *skb;
ACTCAPI_MKHDR(2, 0x04, 0x03);
ACTCAPI_CHKSKB;
m->msg.disconnect_resp.plci = chan->plci;
chan->plci = 0x8000;
ACTCAPI_QUEUE_TX;
}
static int
new_plci(act2000_card *card, __u16 plci)
{
int i;
for (i = 0; i < ACT2000_BCH; i++)
if (card->bch[i].plci == 0x8000) {
card->bch[i].plci = plci;
return i;
}
return -1;
}
static int
find_plci(act2000_card *card, __u16 plci)
{
int i;
for (i = 0; i < ACT2000_BCH; i++)
if (card->bch[i].plci == plci)
return i;
return -1;
}
static int
find_ncci(act2000_card *card, __u16 ncci)
{
int i;
for (i = 0; i < ACT2000_BCH; i++)
if (card->bch[i].ncci == ncci)
return i;
return -1;
}
static int
find_dialing(act2000_card *card, __u16 callref)
{
int i;
for (i = 0; i < ACT2000_BCH; i++)
if ((card->bch[i].callref == callref) &&
(card->bch[i].fsm_state == ACT2000_STATE_OCALL))
return i;
return -1;
}
static int
actcapi_data_b3_ind(act2000_card *card, struct sk_buff *skb) {
__u16 plci;
__u16 ncci;
__u16 controller;
__u8 blocknr;
int chan;
actcapi_msg *msg = (actcapi_msg *)skb->data;
EVAL_NCCI(msg->msg.data_b3_ind.fakencci, plci, controller, ncci);
chan = find_ncci(card, ncci);
if (chan < 0)
return 0;
if (card->bch[chan].fsm_state != ACT2000_STATE_ACTIVE)
return 0;
if (card->bch[chan].plci != plci)
return 0;
blocknr = msg->msg.data_b3_ind.blocknr;
skb_pull(skb, 19);
card->interface.rcvcallb_skb(card->myid, chan, skb);
if (!(skb = alloc_skb(11, GFP_ATOMIC))) {
printk(KERN_WARNING "actcapi: alloc_skb failed\n");
return 1;
}
msg = (actcapi_msg *)skb_put(skb, 11);
msg->hdr.len = 11;
msg->hdr.applicationID = 1;
msg->hdr.cmd.cmd = 0x86;
msg->hdr.cmd.subcmd = 0x03;
msg->hdr.msgnum = actcapi_nextsmsg(card);
msg->msg.data_b3_resp.ncci = ncci;
msg->msg.data_b3_resp.blocknr = blocknr;
ACTCAPI_QUEUE_TX;
return 1;
}
/*
* Walk over ackq, unlink DATA_B3_REQ from it, if
* ncci and blocknr are matching.
* Decrement queued-bytes counter.
*/
static int
handle_ack(act2000_card *card, act2000_chan *chan, __u8 blocknr) {
unsigned long flags;
struct sk_buff *skb;
struct sk_buff *tmp;
struct actcapi_msg *m;
int ret = 0;
spin_lock_irqsave(&card->lock, flags);
skb = skb_peek(&card->ackq);
spin_unlock_irqrestore(&card->lock, flags);
if (!skb) {
printk(KERN_WARNING "act2000: handle_ack nothing found!\n");
return 0;
}
tmp = skb;
while (1) {
m = (actcapi_msg *)tmp->data;
if ((((m->msg.data_b3_req.fakencci >> 8) & 0xff) == chan->ncci) &&
(m->msg.data_b3_req.blocknr == blocknr)) {
/* found corresponding DATA_B3_REQ */
skb_unlink(tmp, &card->ackq);
chan->queued -= m->msg.data_b3_req.datalen;
if (m->msg.data_b3_req.flags)
ret = m->msg.data_b3_req.datalen;
dev_kfree_skb(tmp);
if (chan->queued < 0)
chan->queued = 0;
return ret;
}
spin_lock_irqsave(&card->lock, flags);
tmp = skb_peek((struct sk_buff_head *)tmp);
spin_unlock_irqrestore(&card->lock, flags);
if ((tmp == skb) || (tmp == NULL)) {
/* reached end of queue */
printk(KERN_WARNING "act2000: handle_ack nothing found!\n");
return 0;
}
}
}
void
actcapi_dispatch(struct work_struct *work)
{
struct act2000_card *card =
container_of(work, struct act2000_card, rcv_tq);
struct sk_buff *skb;
actcapi_msg *msg;
__u16 ccmd;
int chan;
int len;
act2000_chan *ctmp;
isdn_ctrl cmd;
char tmp[170];
while ((skb = skb_dequeue(&card->rcvq))) {
actcapi_debug_msg(skb, 0);
msg = (actcapi_msg *)skb->data;
ccmd = ((msg->hdr.cmd.cmd << 8) | msg->hdr.cmd.subcmd);
switch (ccmd) {
case 0x8602:
/* DATA_B3_IND */
if (actcapi_data_b3_ind(card, skb))
return;
break;
case 0x8601:
/* DATA_B3_CONF */
chan = find_ncci(card, msg->msg.data_b3_conf.ncci);
if ((chan >= 0) && (card->bch[chan].fsm_state == ACT2000_STATE_ACTIVE)) {
if (msg->msg.data_b3_conf.info != 0)
printk(KERN_WARNING "act2000: DATA_B3_CONF: %04x\n",
msg->msg.data_b3_conf.info);
len = handle_ack(card, &card->bch[chan],
msg->msg.data_b3_conf.blocknr);
if (len) {
cmd.driver = card->myid;
cmd.command = ISDN_STAT_BSENT;
cmd.arg = chan;
cmd.parm.length = len;
card->interface.statcallb(&cmd);
}
}
break;
case 0x0201:
/* CONNECT_CONF */
chan = find_dialing(card, msg->hdr.msgnum);
if (chan >= 0) {
if (msg->msg.connect_conf.info) {
card->bch[chan].fsm_state = ACT2000_STATE_NULL;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_DHUP;
cmd.arg = chan;
card->interface.statcallb(&cmd);
} else {
card->bch[chan].fsm_state = ACT2000_STATE_OWAIT;
card->bch[chan].plci = msg->msg.connect_conf.plci;
}
}
break;
case 0x0202:
/* CONNECT_IND */
chan = new_plci(card, msg->msg.connect_ind.plci);
if (chan < 0) {
ctmp = (act2000_chan *)tmp;
ctmp->plci = msg->msg.connect_ind.plci;
actcapi_connect_resp(card, ctmp, 0x11); /* All Card-Cannels busy */
} else {
card->bch[chan].fsm_state = ACT2000_STATE_ICALL;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_ICALL;
cmd.arg = chan;
cmd.parm.setup.si1 = msg->msg.connect_ind.si1;
cmd.parm.setup.si2 = msg->msg.connect_ind.si2;
if (card->ptype == ISDN_PTYPE_EURO)
strcpy(cmd.parm.setup.eazmsn,
act2000_find_eaz(card, msg->msg.connect_ind.eaz));
else {
cmd.parm.setup.eazmsn[0] = msg->msg.connect_ind.eaz;
cmd.parm.setup.eazmsn[1] = 0;
}
memset(cmd.parm.setup.phone, 0, sizeof(cmd.parm.setup.phone));
memcpy(cmd.parm.setup.phone, msg->msg.connect_ind.addr.num,
msg->msg.connect_ind.addr.len - 1);
cmd.parm.setup.plan = msg->msg.connect_ind.addr.tnp;
cmd.parm.setup.screen = 0;
if (card->interface.statcallb(&cmd) == 2)
actcapi_connect_resp(card, &card->bch[chan], 0x15); /* Reject Call */
}
break;
case 0x0302:
/* CONNECT_ACTIVE_IND */
chan = find_plci(card, msg->msg.connect_active_ind.plci);
if (chan >= 0)
switch (card->bch[chan].fsm_state) {
case ACT2000_STATE_IWAIT:
actcapi_connect_active_resp(card, &card->bch[chan]);
break;
case ACT2000_STATE_OWAIT:
actcapi_connect_active_resp(card, &card->bch[chan]);
actcapi_select_b2_protocol_req(card, &card->bch[chan]);
break;
}
break;
case 0x8202:
/* CONNECT_B3_IND */
chan = find_plci(card, msg->msg.connect_b3_ind.plci);
if ((chan >= 0) && (card->bch[chan].fsm_state == ACT2000_STATE_IBWAIT)) {
card->bch[chan].ncci = msg->msg.connect_b3_ind.ncci;
actcapi_connect_b3_resp(card, &card->bch[chan], 0);
} else {
ctmp = (act2000_chan *)tmp;
ctmp->ncci = msg->msg.connect_b3_ind.ncci;
actcapi_connect_b3_resp(card, ctmp, 0x11); /* All Card-Cannels busy */
}
break;
case 0x8302:
/* CONNECT_B3_ACTIVE_IND */
chan = find_ncci(card, msg->msg.connect_b3_active_ind.ncci);
if ((chan >= 0) && (card->bch[chan].fsm_state == ACT2000_STATE_BWAIT)) {
actcapi_connect_b3_active_resp(card, &card->bch[chan]);
cmd.driver = card->myid;
cmd.command = ISDN_STAT_BCONN;
cmd.arg = chan;
card->interface.statcallb(&cmd);
}
break;
case 0x8402:
/* DISCONNECT_B3_IND */
chan = find_ncci(card, msg->msg.disconnect_b3_ind.ncci);
if (chan >= 0) {
ctmp = &card->bch[chan];
actcapi_disconnect_b3_resp(card, ctmp);
switch (ctmp->fsm_state) {
case ACT2000_STATE_ACTIVE:
ctmp->fsm_state = ACT2000_STATE_DHWAIT2;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_BHUP;
cmd.arg = chan;
card->interface.statcallb(&cmd);
break;
case ACT2000_STATE_BHWAIT2:
actcapi_disconnect_req(card, ctmp);
ctmp->fsm_state = ACT2000_STATE_DHWAIT;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_BHUP;
cmd.arg = chan;
card->interface.statcallb(&cmd);
break;
}
}
break;
case 0x0402:
/* DISCONNECT_IND */
chan = find_plci(card, msg->msg.disconnect_ind.plci);
if (chan >= 0) {
ctmp = &card->bch[chan];
actcapi_disconnect_resp(card, ctmp);
ctmp->fsm_state = ACT2000_STATE_NULL;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_DHUP;
cmd.arg = chan;
card->interface.statcallb(&cmd);
} else {
ctmp = (act2000_chan *)tmp;
ctmp->plci = msg->msg.disconnect_ind.plci;
actcapi_disconnect_resp(card, ctmp);
}
break;
case 0x4001:
/* SELECT_B2_PROTOCOL_CONF */
chan = find_plci(card, msg->msg.select_b2_protocol_conf.plci);
if (chan >= 0)
switch (card->bch[chan].fsm_state) {
case ACT2000_STATE_ICALL:
case ACT2000_STATE_OWAIT:
ctmp = &card->bch[chan];
if (msg->msg.select_b2_protocol_conf.info == 0)
actcapi_select_b3_protocol_req(card, ctmp);
else {
ctmp->fsm_state = ACT2000_STATE_NULL;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_DHUP;
cmd.arg = chan;
card->interface.statcallb(&cmd);
}
break;
}
break;
case 0x8001:
/* SELECT_B3_PROTOCOL_CONF */
chan = find_plci(card, msg->msg.select_b3_protocol_conf.plci);
if (chan >= 0)
switch (card->bch[chan].fsm_state) {
case ACT2000_STATE_ICALL:
case ACT2000_STATE_OWAIT:
ctmp = &card->bch[chan];
if (msg->msg.select_b3_protocol_conf.info == 0)
actcapi_listen_b3_req(card, ctmp);
else {
ctmp->fsm_state = ACT2000_STATE_NULL;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_DHUP;
cmd.arg = chan;
card->interface.statcallb(&cmd);
}
}
break;
case 0x8101:
/* LISTEN_B3_CONF */
chan = find_plci(card, msg->msg.listen_b3_conf.plci);
if (chan >= 0)
switch (card->bch[chan].fsm_state) {
case ACT2000_STATE_ICALL:
ctmp = &card->bch[chan];
if (msg->msg.listen_b3_conf.info == 0)
actcapi_connect_resp(card, ctmp, 0);
else {
ctmp->fsm_state = ACT2000_STATE_NULL;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_DHUP;
cmd.arg = chan;
card->interface.statcallb(&cmd);
}
break;
case ACT2000_STATE_OWAIT:
ctmp = &card->bch[chan];
if (msg->msg.listen_b3_conf.info == 0) {
actcapi_connect_b3_req(card, ctmp);
ctmp->fsm_state = ACT2000_STATE_OBWAIT;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_DCONN;
cmd.arg = chan;
card->interface.statcallb(&cmd);
} else {
ctmp->fsm_state = ACT2000_STATE_NULL;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_DHUP;
cmd.arg = chan;
card->interface.statcallb(&cmd);
}
break;
}
break;
case 0x8201:
/* CONNECT_B3_CONF */
chan = find_plci(card, msg->msg.connect_b3_conf.plci);
if ((chan >= 0) && (card->bch[chan].fsm_state == ACT2000_STATE_OBWAIT)) {
ctmp = &card->bch[chan];
if (msg->msg.connect_b3_conf.info) {
ctmp->fsm_state = ACT2000_STATE_NULL;
cmd.driver = card->myid;
cmd.command = ISDN_STAT_DHUP;
cmd.arg = chan;
card->interface.statcallb(&cmd);
} else {
ctmp->ncci = msg->msg.connect_b3_conf.ncci;
ctmp->fsm_state = ACT2000_STATE_BWAIT;
}
}
break;
case 0x8401:
/* DISCONNECT_B3_CONF */
chan = find_ncci(card, msg->msg.disconnect_b3_conf.ncci);
if ((chan >= 0) && (card->bch[chan].fsm_state == ACT2000_STATE_BHWAIT))
card->bch[chan].fsm_state = ACT2000_STATE_BHWAIT2;
break;
case 0x0702:
/* INFO_IND */
chan = find_plci(card, msg->msg.info_ind.plci);
if (chan >= 0)
/* TODO: Eval Charging info / cause */
actcapi_info_resp(card, &card->bch[chan]);
break;
case 0x0401:
/* LISTEN_CONF */
case 0x0501:
/* LISTEN_CONF */
case 0xff01:
/* MANUFACTURER_CONF */
break;
case 0xff02:
/* MANUFACTURER_IND */
if (msg->msg.manuf_msg == 3) {
memset(tmp, 0, sizeof(tmp));
strncpy(tmp,
&msg->msg.manufacturer_ind_err.errstring,
msg->hdr.len - 16);
if (msg->msg.manufacturer_ind_err.errcode)
printk(KERN_WARNING "act2000: %s\n", tmp);
else {
printk(KERN_DEBUG "act2000: %s\n", tmp);
if ((!strncmp(tmp, "INFO: Trace buffer con", 22)) ||
(!strncmp(tmp, "INFO: Compile Date/Tim", 22))) {
card->flags |= ACT2000_FLAGS_RUNNING;
cmd.command = ISDN_STAT_RUN;
cmd.driver = card->myid;
cmd.arg = 0;
actcapi_manufacturer_req_net(card);
actcapi_manufacturer_req_msn(card);
actcapi_listen_req(card);
card->interface.statcallb(&cmd);
}
}
}
break;
default:
printk(KERN_WARNING "act2000: UNHANDLED Message %04x\n", ccmd);
break;
}
dev_kfree_skb(skb);
}
}
#ifdef DEBUG_MSG
static void
actcapi_debug_caddr(actcapi_addr *addr)
{
char tmp[30];
printk(KERN_DEBUG " Alen = %d\n", addr->len);
if (addr->len > 0)
printk(KERN_DEBUG " Atnp = 0x%02x\n", addr->tnp);
if (addr->len > 1) {
memset(tmp, 0, 30);
memcpy(tmp, addr->num, addr->len - 1);
printk(KERN_DEBUG " Anum = '%s'\n", tmp);
}
}
static void
actcapi_debug_ncpi(actcapi_ncpi *ncpi)
{
printk(KERN_DEBUG " ncpi.len = %d\n", ncpi->len);
if (ncpi->len >= 2)
printk(KERN_DEBUG " ncpi.lic = 0x%04x\n", ncpi->lic);
if (ncpi->len >= 4)
printk(KERN_DEBUG " ncpi.hic = 0x%04x\n", ncpi->hic);
if (ncpi->len >= 6)
printk(KERN_DEBUG " ncpi.ltc = 0x%04x\n", ncpi->ltc);
if (ncpi->len >= 8)
printk(KERN_DEBUG " ncpi.htc = 0x%04x\n", ncpi->htc);
if (ncpi->len >= 10)
printk(KERN_DEBUG " ncpi.loc = 0x%04x\n", ncpi->loc);
if (ncpi->len >= 12)
printk(KERN_DEBUG " ncpi.hoc = 0x%04x\n", ncpi->hoc);
if (ncpi->len >= 13)
printk(KERN_DEBUG " ncpi.mod = %d\n", ncpi->modulo);
}
static void
actcapi_debug_dlpd(actcapi_dlpd *dlpd)
{
printk(KERN_DEBUG " dlpd.len = %d\n", dlpd->len);
if (dlpd->len >= 2)
printk(KERN_DEBUG " dlpd.dlen = 0x%04x\n", dlpd->dlen);
if (dlpd->len >= 3)
printk(KERN_DEBUG " dlpd.laa = 0x%02x\n", dlpd->laa);
if (dlpd->len >= 4)
printk(KERN_DEBUG " dlpd.lab = 0x%02x\n", dlpd->lab);
if (dlpd->len >= 5)
printk(KERN_DEBUG " dlpd.modulo = %d\n", dlpd->modulo);
if (dlpd->len >= 6)
printk(KERN_DEBUG " dlpd.win = %d\n", dlpd->win);
}
#ifdef DEBUG_DUMP_SKB
static void dump_skb(struct sk_buff *skb) {
char tmp[80];
char *p = skb->data;
char *t = tmp;
int i;
for (i = 0; i < skb->len; i++) {
t += sprintf(t, "%02x ", *p++ & 0xff);
if ((i & 0x0f) == 8) {
printk(KERN_DEBUG "dump: %s\n", tmp);
t = tmp;
}
}
if (i & 0x07)
printk(KERN_DEBUG "dump: %s\n", tmp);
}
#endif
void
actcapi_debug_msg(struct sk_buff *skb, int direction)
{
actcapi_msg *msg = (actcapi_msg *)skb->data;
char *descr;
int i;
char tmp[170];
#ifndef DEBUG_DATA_MSG
if (msg->hdr.cmd.cmd == 0x86)
return;
#endif
descr = "INVALID";
#ifdef DEBUG_DUMP_SKB
dump_skb(skb);
#endif
for (i = 0; i < ARRAY_SIZE(valid_msg); i++)
if ((msg->hdr.cmd.cmd == valid_msg[i].cmd.cmd) &&
(msg->hdr.cmd.subcmd == valid_msg[i].cmd.subcmd)) {
descr = valid_msg[i].description;
break;
}
printk(KERN_DEBUG "%s %s msg\n", direction ? "Outgoing" : "Incoming", descr);
printk(KERN_DEBUG " ApplID = %d\n", msg->hdr.applicationID);
printk(KERN_DEBUG " Len = %d\n", msg->hdr.len);
printk(KERN_DEBUG " MsgNum = 0x%04x\n", msg->hdr.msgnum);
printk(KERN_DEBUG " Cmd = 0x%02x\n", msg->hdr.cmd.cmd);
printk(KERN_DEBUG " SubCmd = 0x%02x\n", msg->hdr.cmd.subcmd);
switch (i) {
case 0:
/* DATA B3 IND */
printk(KERN_DEBUG " BLOCK = 0x%02x\n",
msg->msg.data_b3_ind.blocknr);
break;
case 2:
/* CONNECT CONF */
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.connect_conf.plci);
printk(KERN_DEBUG " Info = 0x%04x\n",
msg->msg.connect_conf.info);
break;
case 3:
/* CONNECT IND */
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.connect_ind.plci);
printk(KERN_DEBUG " Contr = %d\n",
msg->msg.connect_ind.controller);
printk(KERN_DEBUG " SI1 = %d\n",
msg->msg.connect_ind.si1);
printk(KERN_DEBUG " SI2 = %d\n",
msg->msg.connect_ind.si2);
printk(KERN_DEBUG " EAZ = '%c'\n",
msg->msg.connect_ind.eaz);
actcapi_debug_caddr(&msg->msg.connect_ind.addr);
break;
case 5:
/* CONNECT ACTIVE IND */
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.connect_active_ind.plci);
actcapi_debug_caddr(&msg->msg.connect_active_ind.addr);
break;
case 8:
/* LISTEN CONF */
printk(KERN_DEBUG " Contr = %d\n",
msg->msg.listen_conf.controller);
printk(KERN_DEBUG " Info = 0x%04x\n",
msg->msg.listen_conf.info);
break;
case 11:
/* INFO IND */
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.info_ind.plci);
printk(KERN_DEBUG " Imsk = 0x%04x\n",
msg->msg.info_ind.nr.mask);
if (msg->hdr.len > 12) {
int l = msg->hdr.len - 12;
int j;
char *p = tmp;
for (j = 0; j < l; j++)
p += sprintf(p, "%02x ", msg->msg.info_ind.el.display[j]);
printk(KERN_DEBUG " D = '%s'\n", tmp);
}
break;
case 14:
/* SELECT B2 PROTOCOL CONF */
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.select_b2_protocol_conf.plci);
printk(KERN_DEBUG " Info = 0x%04x\n",
msg->msg.select_b2_protocol_conf.info);
break;
case 15:
/* SELECT B3 PROTOCOL CONF */
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.select_b3_protocol_conf.plci);
printk(KERN_DEBUG " Info = 0x%04x\n",
msg->msg.select_b3_protocol_conf.info);
break;
case 16:
/* LISTEN B3 CONF */
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.listen_b3_conf.plci);
printk(KERN_DEBUG " Info = 0x%04x\n",
msg->msg.listen_b3_conf.info);
break;
case 18:
/* CONNECT B3 IND */
printk(KERN_DEBUG " NCCI = 0x%04x\n",
msg->msg.connect_b3_ind.ncci);
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.connect_b3_ind.plci);
actcapi_debug_ncpi(&msg->msg.connect_b3_ind.ncpi);
break;
case 19:
/* CONNECT B3 ACTIVE IND */
printk(KERN_DEBUG " NCCI = 0x%04x\n",
msg->msg.connect_b3_active_ind.ncci);
actcapi_debug_ncpi(&msg->msg.connect_b3_active_ind.ncpi);
break;
case 26:
/* MANUFACTURER IND */
printk(KERN_DEBUG " Mmsg = 0x%02x\n",
msg->msg.manufacturer_ind_err.manuf_msg);
switch (msg->msg.manufacturer_ind_err.manuf_msg) {
case 3:
printk(KERN_DEBUG " Contr = %d\n",
msg->msg.manufacturer_ind_err.controller);
printk(KERN_DEBUG " Code = 0x%08x\n",
msg->msg.manufacturer_ind_err.errcode);
memset(tmp, 0, sizeof(tmp));
strncpy(tmp, &msg->msg.manufacturer_ind_err.errstring,
msg->hdr.len - 16);
printk(KERN_DEBUG " Emsg = '%s'\n", tmp);
break;
}
break;
case 30:
/* LISTEN REQ */
printk(KERN_DEBUG " Imsk = 0x%08x\n",
msg->msg.listen_req.infomask);
printk(KERN_DEBUG " Emsk = 0x%04x\n",
msg->msg.listen_req.eazmask);
printk(KERN_DEBUG " Smsk = 0x%04x\n",
msg->msg.listen_req.simask);
break;
case 35:
/* SELECT_B2_PROTOCOL_REQ */
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.select_b2_protocol_req.plci);
printk(KERN_DEBUG " prot = 0x%02x\n",
msg->msg.select_b2_protocol_req.protocol);
if (msg->hdr.len >= 11)
printk(KERN_DEBUG "No dlpd\n");
else
actcapi_debug_dlpd(&msg->msg.select_b2_protocol_req.dlpd);
break;
case 44:
/* CONNECT RESP */
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.connect_resp.plci);
printk(KERN_DEBUG " CAUSE = 0x%02x\n",
msg->msg.connect_resp.rejectcause);
break;
case 45:
/* CONNECT ACTIVE RESP */
printk(KERN_DEBUG " PLCI = 0x%04x\n",
msg->msg.connect_active_resp.plci);
break;
}
}
#endif