5906e69ac2
i4bq931, i4b, isic, iwic, ifpi, ifpi2, ifpnp, ihfc, and itjc are no longer count devices. Also remove a few other instances of N<DEVICE> being used to control compilation of whole files. Reviewed by: hm
446 lines
11 KiB
C
446 lines
11 KiB
C
/*
|
|
* Copyright (c) 2001 Cubical Solutions Ltd. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* capi/capi_l4if.c The CAPI i4b L4/device interface.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/socket.h>
|
|
#include <net/if.h>
|
|
|
|
#include <machine/i4b_debug.h>
|
|
#include <machine/i4b_ioctl.h>
|
|
#include <machine/i4b_cause.h>
|
|
|
|
#include <i4b/include/i4b_l3l4.h>
|
|
#include <i4b/include/i4b_mbuf.h>
|
|
#include <i4b/include/i4b_global.h>
|
|
|
|
#include <i4b/layer4/i4b_l4.h>
|
|
|
|
#include <i4b/capi/capi.h>
|
|
#include <i4b/capi/capi_msgs.h>
|
|
|
|
static void n_connect_request(u_int cdid);
|
|
static void n_connect_response(u_int cdid, int response, int cause);
|
|
static void n_disconnect_request(u_int cdid, int cause);
|
|
static void n_alert_request(u_int cdid);
|
|
static void n_mgmt_command(int unit, int cmd, void *parm);
|
|
static int n_download(int unit, int, struct isdn_dr_prot *);
|
|
|
|
capi_softc_t *capi_sc[MAX_CONTROLLERS] = { NULL, };
|
|
int ncapi = 0;
|
|
|
|
/*
|
|
// i4b_capi_{ret,set}_linktab
|
|
// i4b driver glue.
|
|
//
|
|
// i4b_capi_bch_config
|
|
// Called by i4b driver to flush + {en,dis}able a channel.
|
|
//
|
|
// i4b_capi_bch_start_tx
|
|
// Called by i4b driver to transmit a queued mbuf.
|
|
//
|
|
// i4b_capi_bch_stat
|
|
// Called by i4b driver to obtain statistics information.
|
|
*/
|
|
|
|
static isdn_link_t *
|
|
i4b_capi_ret_linktab(int unit, int channel)
|
|
{
|
|
capi_softc_t *sc = capi_sc[unit];
|
|
return &sc->sc_bchan[channel].capi_isdn_linktab;
|
|
}
|
|
|
|
static void
|
|
i4b_capi_set_linktab(int unit, int channel, drvr_link_t *dlt)
|
|
{
|
|
capi_softc_t *sc = capi_sc[unit];
|
|
sc->sc_bchan[channel].capi_drvr_linktab = dlt;
|
|
}
|
|
|
|
static void
|
|
i4b_capi_bch_config(int unit, int chan, int bprot, int activate)
|
|
{
|
|
capi_softc_t *sc = capi_sc[unit];
|
|
|
|
i4b_Bcleanifq(&sc->sc_bchan[chan].tx_queue);
|
|
sc->sc_bchan[chan].tx_queue.ifq_maxlen = IFQ_MAXLEN;
|
|
sc->sc_bchan[chan].txcount = 0;
|
|
|
|
/* The telephony drivers use rx_queue for receive. */
|
|
|
|
i4b_Bcleanifq(&sc->sc_bchan[chan].rx_queue);
|
|
sc->sc_bchan[chan].rx_queue.ifq_maxlen = IFQ_MAXLEN;
|
|
sc->sc_bchan[chan].rxcount = 0;
|
|
|
|
/* HDLC frames are put to in_mbuf */
|
|
|
|
i4b_Bfreembuf(sc->sc_bchan[chan].in_mbuf);
|
|
sc->sc_bchan[chan].in_mbuf = NULL;
|
|
|
|
/* Because of the difference, we need to remember the protocol. */
|
|
|
|
sc->sc_bchan[chan].bprot = bprot;
|
|
sc->sc_bchan[chan].busy = 0;
|
|
}
|
|
|
|
static void
|
|
i4b_capi_bch_start_tx(int unit, int chan)
|
|
{
|
|
capi_softc_t *sc = capi_sc[unit];
|
|
int s;
|
|
|
|
s = SPLI4B();
|
|
|
|
if (sc->sc_bchan[chan].state != B_CONNECTED) {
|
|
splx(s);
|
|
printf("capi%d: start_tx on unconnected channel\n", sc->sc_unit);
|
|
return;
|
|
}
|
|
|
|
if (sc->sc_bchan[chan].busy) {
|
|
splx(s);
|
|
return;
|
|
}
|
|
|
|
capi_start_tx(sc, chan);
|
|
|
|
splx(s);
|
|
}
|
|
|
|
static void
|
|
i4b_capi_bch_stat(int unit, int chan, bchan_statistics_t *bsp)
|
|
{
|
|
capi_softc_t *sc = capi_sc[unit];
|
|
int s = SPLI4B();
|
|
|
|
bsp->outbytes = sc->sc_bchan[chan].txcount;
|
|
bsp->inbytes = sc->sc_bchan[chan].rxcount;
|
|
|
|
sc->sc_bchan[chan].txcount = 0;
|
|
sc->sc_bchan[chan].rxcount = 0;
|
|
|
|
splx(s);
|
|
}
|
|
|
|
int capi_start_tx(capi_softc_t *sc, int chan)
|
|
{
|
|
struct mbuf *m_b3;
|
|
int sent = 0;
|
|
|
|
_IF_DEQUEUE(&sc->sc_bchan[chan].tx_queue, m_b3);
|
|
while (m_b3) {
|
|
struct mbuf *m = m_b3->m_next;
|
|
|
|
sc->sc_bchan[chan].txcount += m_b3->m_len;
|
|
capi_data_b3_req(sc, chan, m_b3);
|
|
sent++;
|
|
|
|
m_b3 = m;
|
|
}
|
|
|
|
if (sc->sc_bchan[chan].capi_drvr_linktab) {
|
|
/* Notify i4b driver of activity, and if the queue is drained. */
|
|
|
|
if (sent)
|
|
(*sc->sc_bchan[chan].capi_drvr_linktab->bch_activity)(
|
|
sc->sc_bchan[chan].capi_drvr_linktab->unit, ACT_TX);
|
|
|
|
if (IF_QEMPTY(&sc->sc_bchan[chan].tx_queue))
|
|
(*sc->sc_bchan[chan].capi_drvr_linktab->bch_tx_queue_empty)(
|
|
sc->sc_bchan[chan].capi_drvr_linktab->unit);
|
|
}
|
|
|
|
return sent;
|
|
}
|
|
|
|
/*
|
|
// capi_ll_attach
|
|
// Called by a link layer driver at boot time.
|
|
*/
|
|
|
|
int
|
|
capi_ll_attach(capi_softc_t *sc)
|
|
{
|
|
int i;
|
|
|
|
if (ncapi == (sizeof(capi_sc) / sizeof(capi_sc[0]))) {
|
|
printf("capi%d: too many units, increase MAX_CONTROLLERS\n", ncapi);
|
|
return (ENXIO);
|
|
}
|
|
|
|
/* Unit type and subtype; sc is partly filled by ll driver */
|
|
|
|
ctrl_desc[nctrl].unit = ncapi;
|
|
ctrl_desc[nctrl].ctrl_type = CTRL_CAPI;
|
|
ctrl_desc[nctrl].card_type = sc->card_type;
|
|
|
|
/* L4 callbacks */
|
|
|
|
ctrl_types[CTRL_CAPI].get_linktab = i4b_capi_ret_linktab;
|
|
ctrl_types[CTRL_CAPI].set_linktab = i4b_capi_set_linktab;
|
|
|
|
ctrl_desc[nctrl].N_CONNECT_REQUEST = n_connect_request;
|
|
ctrl_desc[nctrl].N_CONNECT_RESPONSE = n_connect_response;
|
|
ctrl_desc[nctrl].N_DISCONNECT_REQUEST = n_disconnect_request;
|
|
ctrl_desc[nctrl].N_ALERT_REQUEST = n_alert_request;
|
|
ctrl_desc[nctrl].N_DOWNLOAD = n_download;
|
|
ctrl_desc[nctrl].N_DIAGNOSTICS = NULL; /* XXX todo */
|
|
ctrl_desc[nctrl].N_MGMT_COMMAND = n_mgmt_command;
|
|
|
|
/* Unit state */
|
|
|
|
sc->sc_enabled = FALSE;
|
|
sc->sc_state = C_DOWN;
|
|
sc->sc_msgid = 0;
|
|
|
|
ctrl_desc[nctrl].dl_est = DL_DOWN;
|
|
ctrl_desc[nctrl].nbch = sc->sc_nbch;
|
|
|
|
for (i = 0; i < sc->sc_nbch; i++) {
|
|
ctrl_desc[nctrl].bch_state[i] = BCH_ST_FREE;
|
|
sc->sc_bchan[i].ncci = INVALID;
|
|
sc->sc_bchan[i].msgid = 0;
|
|
sc->sc_bchan[i].busy = 0;
|
|
sc->sc_bchan[i].state = B_FREE;
|
|
|
|
memset(&sc->sc_bchan[i].tx_queue, 0, sizeof(struct ifqueue));
|
|
memset(&sc->sc_bchan[i].rx_queue, 0, sizeof(struct ifqueue));
|
|
sc->sc_bchan[i].tx_queue.ifq_maxlen = IFQ_MAXLEN;
|
|
sc->sc_bchan[i].rx_queue.ifq_maxlen = IFQ_MAXLEN;
|
|
|
|
if(!mtx_initialized(&sc->sc_bchan[i].tx_queue.ifq_mtx))
|
|
mtx_init(&sc->sc_bchan[i].tx_queue.ifq_mtx, "i4b_capi_tx", NULL, MTX_DEF);
|
|
if(!mtx_initialized(&sc->sc_bchan[i].rx_queue.ifq_mtx))
|
|
mtx_init(&sc->sc_bchan[i].rx_queue.ifq_mtx, "i4b_capi_rx", NULL, MTX_DEF);
|
|
|
|
sc->sc_bchan[i].txcount = 0;
|
|
sc->sc_bchan[i].rxcount = 0;
|
|
|
|
sc->sc_bchan[i].cdid = CDID_UNUSED;
|
|
sc->sc_bchan[i].bprot = BPROT_NONE;
|
|
sc->sc_bchan[i].in_mbuf = NULL;
|
|
|
|
sc->sc_bchan[i].capi_drvr_linktab = NULL;
|
|
|
|
sc->sc_bchan[i].capi_isdn_linktab.unit = ncapi;
|
|
sc->sc_bchan[i].capi_isdn_linktab.channel = i;
|
|
sc->sc_bchan[i].capi_isdn_linktab.bch_config = i4b_capi_bch_config;
|
|
sc->sc_bchan[i].capi_isdn_linktab.bch_tx_start = i4b_capi_bch_start_tx;
|
|
sc->sc_bchan[i].capi_isdn_linktab.bch_stat = i4b_capi_bch_stat;
|
|
sc->sc_bchan[i].capi_isdn_linktab.tx_queue = &sc->sc_bchan[i].tx_queue;
|
|
sc->sc_bchan[i].capi_isdn_linktab.rx_queue = &sc->sc_bchan[i].rx_queue;
|
|
sc->sc_bchan[i].capi_isdn_linktab.rx_mbuf = &sc->sc_bchan[i].in_mbuf;
|
|
}
|
|
|
|
ctrl_desc[nctrl].tei = -1;
|
|
|
|
/* Up the controller index and store the softc */
|
|
|
|
sc->sc_unit = ncapi;
|
|
capi_sc[ncapi++] = sc;
|
|
sc->ctrl_unit = nctrl++;
|
|
|
|
printf("capi%d: card type %d attached\n", sc->sc_unit, sc->card_type);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
// n_mgmt_command
|
|
// i4b L4 management command.
|
|
*/
|
|
|
|
static void
|
|
n_mgmt_command(int unit, int op, void *arg)
|
|
{
|
|
capi_softc_t *sc = capi_sc[unit];
|
|
|
|
printf("capi%d: mgmt command %d\n", sc->sc_unit, op);
|
|
|
|
switch(op) {
|
|
case CMR_DOPEN:
|
|
sc->sc_enabled = TRUE;
|
|
break;
|
|
|
|
case CMR_DCLOSE:
|
|
sc->sc_enabled = FALSE;
|
|
break;
|
|
|
|
case CMR_SETTRACE:
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
// n_connect_request
|
|
// i4b L4 wants to connect. We assign a B channel to the call,
|
|
// send a CAPI_CONNECT_REQ, and set the channel to B_CONNECT_CONF.
|
|
*/
|
|
|
|
static void
|
|
n_connect_request(u_int cdid)
|
|
{
|
|
call_desc_t *cd = cd_by_cdid(cdid);
|
|
capi_softc_t *sc;
|
|
int bch, s;
|
|
|
|
if (!cd) {
|
|
printf("capi?: invalid cdid %d\n", cdid);
|
|
return;
|
|
}
|
|
|
|
sc = capi_sc[ctrl_desc[cd->controller].unit];
|
|
bch = cd->channelid;
|
|
|
|
s = SPLI4B();
|
|
|
|
if ((bch < 0) || (bch >= sc->sc_nbch))
|
|
for (bch = 0; bch < sc->sc_nbch; bch++)
|
|
if (sc->sc_bchan[bch].state == B_FREE)
|
|
break;
|
|
|
|
if (bch == sc->sc_nbch) {
|
|
splx(s);
|
|
printf("capi%d: no free B channel\n", sc->sc_unit);
|
|
return;
|
|
}
|
|
|
|
cd->channelid = bch;
|
|
|
|
capi_connect_req(sc, cd);
|
|
splx(s);
|
|
}
|
|
|
|
/*
|
|
// n_connect_response
|
|
// i4b L4 answers a call. We send a CONNECT_RESP with the proper
|
|
// Reject code, and set the channel to B_CONNECT_B3_IND or B_FREE,
|
|
// depending whether we answer or not.
|
|
*/
|
|
|
|
static void
|
|
n_connect_response(u_int cdid, int response, int cause)
|
|
{
|
|
call_desc_t *cd = cd_by_cdid(cdid);
|
|
capi_softc_t *sc;
|
|
int bch, s;
|
|
|
|
if (!cd) {
|
|
printf("capi?: invalid cdid %d\n", cdid);
|
|
return;
|
|
}
|
|
|
|
sc = capi_sc[ctrl_desc[cd->controller].unit];
|
|
bch = cd->channelid;
|
|
|
|
T400_stop(cd);
|
|
|
|
cd->response = response;
|
|
cd->cause_out = cause;
|
|
|
|
s = SPLI4B();
|
|
capi_connect_resp(sc, cd);
|
|
splx(s);
|
|
}
|
|
|
|
/*
|
|
// n_disconnect_request
|
|
// i4b L4 wants to disconnect. We send a DISCONNECT_REQ and
|
|
// set the channel to B_DISCONNECT_CONF.
|
|
*/
|
|
|
|
static void
|
|
n_disconnect_request(u_int cdid, int cause)
|
|
{
|
|
call_desc_t *cd = cd_by_cdid(cdid);
|
|
capi_softc_t *sc;
|
|
int bch, s;
|
|
|
|
if (!cd) {
|
|
printf("capi?: invalid cdid %d\n", cdid);
|
|
return;
|
|
}
|
|
|
|
sc = capi_sc[ctrl_desc[cd->controller].unit];
|
|
bch = cd->channelid;
|
|
|
|
cd->cause_out = cause;
|
|
|
|
s = SPLI4B();
|
|
capi_disconnect_req(sc, cd);
|
|
splx(s);
|
|
}
|
|
|
|
/*
|
|
// n_alert_request
|
|
// i4b L4 wants to alert an incoming call. We send ALERT_REQ.
|
|
*/
|
|
|
|
static void
|
|
n_alert_request(u_int cdid)
|
|
{
|
|
call_desc_t *cd = cd_by_cdid(cdid);
|
|
capi_softc_t *sc;
|
|
int s;
|
|
|
|
if (!cd) {
|
|
printf("capi?: invalid cdid %d\n", cdid);
|
|
return;
|
|
}
|
|
|
|
sc = capi_sc[ctrl_desc[cd->controller].unit];
|
|
|
|
s = SPLI4B();
|
|
capi_alert_req(sc, cd);
|
|
splx(s);
|
|
}
|
|
|
|
/*
|
|
// n_download
|
|
// L4 -> firmware download
|
|
*/
|
|
|
|
static int
|
|
n_download(int unit, int numprotos, struct isdn_dr_prot *protocols)
|
|
{
|
|
capi_softc_t *sc = capi_sc[unit];
|
|
|
|
if (sc->load) {
|
|
(*capi_sc[unit]->load)(sc, protocols[0].bytecount,
|
|
protocols[0].microcode);
|
|
}
|
|
|
|
return(0);
|
|
}
|