d4da5d7211
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
249 lines
6.8 KiB
C
249 lines
6.8 KiB
C
/*
|
|
* Copyright (c) 1997, 2001 Hellmuth Michaelis. 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.
|
|
*
|
|
*---------------------------------------------------------------------------
|
|
*
|
|
* i4b_l1.c - isdn4bsd layer 1 handler
|
|
* -----------------------------------
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
* last edit-date: [Wed Jan 24 09:12:03 2001]
|
|
*
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#include <sys/param.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_trace.h>
|
|
|
|
#include <i4b/layer1/isic/i4b_isic.h>
|
|
#include <i4b/layer1/isic/i4b_isac.h>
|
|
|
|
#include <i4b/layer1/i4b_l1.h>
|
|
|
|
#include <i4b/include/i4b_mbuf.h>
|
|
#include <i4b/include/i4b_global.h>
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
*
|
|
* L2 -> L1: PH-DATA-REQUEST
|
|
* =========================
|
|
*
|
|
* parms:
|
|
* unit physical interface unit number
|
|
* m mbuf containing L2 frame to be sent out
|
|
* freeflag MBUF_FREE: free mbuf here after having sent
|
|
* it out
|
|
* MBUF_DONTFREE: mbuf is freed by Layer 2
|
|
* returns:
|
|
* ==0 fail, nothing sent out
|
|
* !=0 ok, frame sent out
|
|
*
|
|
*---------------------------------------------------------------------------*/
|
|
int
|
|
isic_ph_data_req(int unit, struct mbuf *m, int freeflag)
|
|
{
|
|
u_char cmd;
|
|
int s;
|
|
struct l1_softc *sc = &l1_sc[unit];
|
|
|
|
#ifdef NOTDEF
|
|
NDBGL1(L1_PRIM, "unit %d, freeflag=%d", unit, freeflag);
|
|
#endif
|
|
|
|
if(m == NULL) /* failsafe */
|
|
return (0);
|
|
|
|
s = SPLI4B();
|
|
|
|
if(sc->sc_I430state == ST_F3) /* layer 1 not running ? */
|
|
{
|
|
NDBGL1(L1_I_ERR, "still in state F3!");
|
|
isic_ph_activate_req(unit);
|
|
}
|
|
|
|
if(sc->sc_state & ISAC_TX_ACTIVE)
|
|
{
|
|
if(sc->sc_obuf2 == NULL)
|
|
{
|
|
sc->sc_obuf2 = m; /* save mbuf ptr */
|
|
|
|
if(freeflag)
|
|
sc->sc_freeflag2 = 1; /* IRQ must mfree */
|
|
else
|
|
sc->sc_freeflag2 = 0; /* IRQ must not mfree */
|
|
|
|
NDBGL1(L1_I_MSG, "using 2nd ISAC TX buffer, state = %s", isic_printstate(sc));
|
|
|
|
if(sc->sc_trace & TRACE_D_TX)
|
|
{
|
|
i4b_trace_hdr_t hdr;
|
|
hdr.unit = L0ISICUNIT(unit);
|
|
hdr.type = TRC_CH_D;
|
|
hdr.dir = FROM_TE;
|
|
hdr.count = ++sc->sc_trace_dcount;
|
|
MICROTIME(hdr.time);
|
|
i4b_l1_trace_ind(&hdr, m->m_len, m->m_data);
|
|
}
|
|
splx(s);
|
|
return(1);
|
|
}
|
|
|
|
NDBGL1(L1_I_ERR, "No Space in TX FIFO, state = %s", isic_printstate(sc));
|
|
|
|
if(freeflag == MBUF_FREE)
|
|
i4b_Dfreembuf(m);
|
|
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
|
|
if(sc->sc_trace & TRACE_D_TX)
|
|
{
|
|
i4b_trace_hdr_t hdr;
|
|
hdr.unit = L0ISICUNIT(unit);
|
|
hdr.type = TRC_CH_D;
|
|
hdr.dir = FROM_TE;
|
|
hdr.count = ++sc->sc_trace_dcount;
|
|
MICROTIME(hdr.time);
|
|
i4b_l1_trace_ind(&hdr, m->m_len, m->m_data);
|
|
}
|
|
|
|
sc->sc_state |= ISAC_TX_ACTIVE; /* set transmitter busy flag */
|
|
|
|
NDBGL1(L1_I_MSG, "ISAC_TX_ACTIVE set");
|
|
|
|
sc->sc_freeflag = 0; /* IRQ must NOT mfree */
|
|
|
|
ISAC_WRFIFO(m->m_data, min(m->m_len, ISAC_FIFO_LEN)); /* output to TX fifo */
|
|
|
|
if(m->m_len > ISAC_FIFO_LEN) /* message > 32 bytes ? */
|
|
{
|
|
sc->sc_obuf = m; /* save mbuf ptr */
|
|
sc->sc_op = m->m_data + ISAC_FIFO_LEN; /* ptr for irq hdl */
|
|
sc->sc_ol = m->m_len - ISAC_FIFO_LEN; /* length for irq hdl */
|
|
|
|
if(freeflag)
|
|
sc->sc_freeflag = 1; /* IRQ must mfree */
|
|
|
|
cmd = ISAC_CMDR_XTF;
|
|
}
|
|
else
|
|
{
|
|
sc->sc_obuf = NULL;
|
|
sc->sc_op = NULL;
|
|
sc->sc_ol = 0;
|
|
|
|
if(freeflag)
|
|
i4b_Dfreembuf(m);
|
|
|
|
cmd = ISAC_CMDR_XTF | ISAC_CMDR_XME;
|
|
}
|
|
|
|
ISAC_WRITE(I_CMDR, cmd);
|
|
ISACCMDRWRDELAY();
|
|
|
|
splx(s);
|
|
|
|
return(1);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
*
|
|
* L2 -> L1: PH-ACTIVATE-REQUEST
|
|
* =============================
|
|
*
|
|
* parms:
|
|
* unit physical interface unit number
|
|
*
|
|
* returns:
|
|
* ==0
|
|
* !=0
|
|
*
|
|
*---------------------------------------------------------------------------*/
|
|
int
|
|
isic_ph_activate_req(int unit)
|
|
{
|
|
struct l1_softc *sc = &l1_sc[unit];
|
|
NDBGL1(L1_PRIM, "unit %d", unit);
|
|
isic_next_state(sc, EV_PHAR);
|
|
return(0);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* command from the upper layers
|
|
*---------------------------------------------------------------------------*/
|
|
int
|
|
isic_mph_command_req(int unit, int command, void *parm)
|
|
{
|
|
struct l1_softc *sc = &l1_sc[unit];
|
|
|
|
switch(command)
|
|
{
|
|
case CMR_DOPEN: /* daemon running */
|
|
NDBGL1(L1_PRIM, "unit %d, command = CMR_DOPEN", unit);
|
|
sc->sc_enabled = 1;
|
|
break;
|
|
|
|
case CMR_DCLOSE: /* daemon not running */
|
|
NDBGL1(L1_PRIM, "unit %d, command = CMR_DCLOSE", unit);
|
|
sc->sc_enabled = 0;
|
|
break;
|
|
|
|
case CMR_SETTRACE:
|
|
NDBGL1(L1_PRIM, "unit %d, command = CMR_SETTRACE, parm = %d", unit, (unsigned int)parm);
|
|
sc->sc_trace = (unsigned int)parm;
|
|
break;
|
|
|
|
case CMR_GCST:
|
|
{
|
|
struct chipstat *cst;
|
|
NDBGL1(L1_PRIM, "unit %d, command = CMR_GCST, parm = %d", unit, (unsigned int)parm);
|
|
cst = (struct chipstat *)parm;
|
|
cst->driver_type = L1DRVR_ISIC;
|
|
cst->stats.hscxstat.unit = sc->sc_unit;
|
|
cst->stats.hscxstat.chan = cst->driver_bchannel;
|
|
cst->stats.hscxstat.vfr = sc->sc_chan[cst->driver_bchannel].stat_VFR;
|
|
cst->stats.hscxstat.rdo = sc->sc_chan[cst->driver_bchannel].stat_RDO;
|
|
cst->stats.hscxstat.crc = sc->sc_chan[cst->driver_bchannel].stat_CRC;
|
|
cst->stats.hscxstat.rab = sc->sc_chan[cst->driver_bchannel].stat_RAB;
|
|
cst->stats.hscxstat.xdu = sc->sc_chan[cst->driver_bchannel].stat_XDU;
|
|
cst->stats.hscxstat.rfo = sc->sc_chan[cst->driver_bchannel].stat_RFO;
|
|
break;
|
|
}
|
|
default:
|
|
NDBGL1(L1_ERROR, "ERROR, unknown command = %d, unit = %d, parm = %d", command, unit, (unsigned int)parm);
|
|
break;
|
|
}
|
|
|
|
return(0);
|
|
}
|