6f5d8741e5
sys/i4b/include/ so they will be available to all architectures once I4B compiles on those. Adapt #include paths. Approved by: re (kensmith)
164 lines
4.8 KiB
C
164 lines
4.8 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_llif.c The i4b CAPI link layer interface.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#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 <i4b/include/i4b_debug.h>
|
|
#include <i4b/include/i4b_ioctl.h>
|
|
#include <i4b/include/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>
|
|
|
|
/*
|
|
// capi_ll_control
|
|
// CAPI link layer control routine. Called by a link layer
|
|
// driver when its state changes.
|
|
*/
|
|
|
|
int
|
|
capi_ll_control(capi_softc_t *sc, int op, int arg)
|
|
{
|
|
switch (op) {
|
|
case CAPI_CTRL_READY:
|
|
if (arg) {
|
|
sc->sc_state = C_READY;
|
|
|
|
/*
|
|
* Register our CAPI ApplId and send CAPI_LISTEN_REQ
|
|
* with CIP Mask value 1 (match all).
|
|
*/
|
|
|
|
sc->reg_appl(sc, I4BCAPI_APPLID, sc->sc_nbch);
|
|
capi_listen_req(sc, 0x10007);
|
|
|
|
} else {
|
|
sc->sc_state = C_DOWN;
|
|
/* XXX go through cds and notify L4 of pdeact? XXX */
|
|
}
|
|
break;
|
|
|
|
case CAPI_CTRL_PROFILE:
|
|
bcopy((char*) arg, &sc->sc_profile, sizeof(sc->sc_profile));
|
|
break;
|
|
|
|
case CAPI_CTRL_NEW_NCCI:
|
|
case CAPI_CTRL_FREE_NCCI:
|
|
/* We ignore the controller's NCCI notifications. */
|
|
break;
|
|
|
|
default:
|
|
printf("capi%d: unknown control %d\n", sc->sc_unit, op);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
// i4b_capi_handlers
|
|
// Array of message-handler pairs used to dispatch CAPI
|
|
// messages sent to I4BCAPI_APPLID.
|
|
*/
|
|
|
|
static struct capi_cmdtab {
|
|
u_int16_t cmd;
|
|
void (*handler)(capi_softc_t *, struct mbuf *);
|
|
} i4b_capi_handlers[] = {
|
|
{ CAPI_LISTEN_CONF, capi_listen_conf },
|
|
{ CAPI_INFO_IND, capi_info_ind },
|
|
{ CAPI_ALERT_CONF, capi_alert_conf },
|
|
{ CAPI_CONNECT_CONF, capi_connect_conf },
|
|
{ CAPI_CONNECT_IND, capi_connect_ind },
|
|
{ CAPI_CONNECT_ACTIVE_IND, capi_connect_active_ind },
|
|
{ CAPI_CONNECT_B3_CONF, capi_connect_b3_conf },
|
|
{ CAPI_CONNECT_B3_IND, capi_connect_b3_ind },
|
|
{ CAPI_CONNECT_B3_ACTIVE_IND, capi_connect_b3_active_ind },
|
|
{ CAPI_DATA_B3_CONF, capi_data_b3_conf },
|
|
{ CAPI_DATA_B3_IND, capi_data_b3_ind },
|
|
{ CAPI_DISCONNECT_B3_IND, capi_disconnect_b3_ind },
|
|
{ CAPI_DISCONNECT_CONF, capi_disconnect_conf },
|
|
{ CAPI_DISCONNECT_IND, capi_disconnect_ind },
|
|
{ 0, 0 }
|
|
};
|
|
|
|
/*
|
|
// capi_ll_receive
|
|
// CAPI link layer receive upcall. Called by a link layer
|
|
// driver to dispatch incoming CAPI messages.
|
|
*/
|
|
|
|
int
|
|
capi_ll_receive(capi_softc_t *sc, struct mbuf *m)
|
|
{
|
|
u_int8_t *p = mtod(m, u_int8_t*);
|
|
u_int16_t len, applid, msgid, cmd;
|
|
|
|
capimsg_getu16(p + 0, &len);
|
|
capimsg_getu16(p + 2, &applid);
|
|
capimsg_getu16(p + 4, &cmd);
|
|
capimsg_getu16(p + 6, &msgid);
|
|
|
|
#if 0
|
|
printf("capi%d: ll_receive hdr %04x %04x %04x %04x\n", sc->sc_unit,
|
|
len, applid, cmd, msgid);
|
|
#endif
|
|
|
|
if (applid == I4BCAPI_APPLID) {
|
|
struct capi_cmdtab *e;
|
|
for (e = i4b_capi_handlers; e->cmd && e->cmd != cmd; e++);
|
|
if (e->cmd) (*e->handler)(sc, m);
|
|
else printf("capi%d: unknown message %04x\n", sc->sc_unit, cmd);
|
|
|
|
} else {
|
|
/* XXX we could handle arbitrary ApplIds here XXX */
|
|
printf("capi%d: message %04x for unknown applid %d\n", sc->sc_unit,
|
|
cmd, applid);
|
|
}
|
|
|
|
if (m->m_next) {
|
|
i4b_Bfreembuf(m->m_next);
|
|
m->m_next = NULL;
|
|
}
|
|
i4b_Dfreembuf(m);
|
|
return(0);
|
|
}
|