diff options
Diffstat (limited to 'sys/i4b/layer1/i4b_l1.c')
| -rw-r--r-- | sys/i4b/layer1/i4b_l1.c | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/sys/i4b/layer1/i4b_l1.c b/sys/i4b/layer1/i4b_l1.c deleted file mode 100644 index 96497c5df6a4b..0000000000000 --- a/sys/i4b/layer1/i4b_l1.c +++ /dev/null @@ -1,315 +0,0 @@ -/* - * Copyright (c) 1997, 1998 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 - * ----------------------------------- - * - * $Id: i4b_l1.c,v 1.27 1998/12/05 18:04:51 hm Exp $ - * - * last edit-date: [Sat Dec 5 18:24:52 1998] - * - *---------------------------------------------------------------------------*/ - -#ifdef __FreeBSD__ -#include "isic.h" -#else -#define NISIC 1 /* don't bother */ -#endif -#if NISIC > 0 - -#include <sys/param.h> -#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 -#include <sys/ioccom.h> -#else -#include <sys/ioctl.h> -#endif -#include <sys/kernel.h> -#include <sys/systm.h> -#include <sys/mbuf.h> -#include <machine/stdarg.h> - -#ifdef __FreeBSD__ -#include <machine/clock.h> -#include <i386/isa/isa_device.h> -#else -#include <machine/bus.h> -#include <sys/device.h> -#endif - -#include <sys/socket.h> -#include <net/if.h> - -#ifdef __FreeBSD__ -#include <machine/i4b_debug.h> -#include <machine/i4b_ioctl.h> -#include <machine/i4b_trace.h> -#else -#include <i4b/i4b_debug.h> -#include <i4b/i4b_ioctl.h> -#include <i4b/i4b_trace.h> -#endif - -#include <i4b/layer1/i4b_l1.h> -#include <i4b/layer1/i4b_isac.h> -#include <i4b/layer1/i4b_hscx.h> - -#include <i4b/include/i4b_l1l2.h> -#include <i4b/include/i4b_mbuf.h> -#include <i4b/include/i4b_global.h> - -unsigned int i4b_l1_debug = L1_DEBUG_DEFAULT; - -static int ph_data_req(int, struct mbuf *, int); -static int ph_activate_req(int); - -/* from i4btrc driver i4b_trace.c */ -extern int get_trace_data_from_l1(int unit, int what, int len, char *buf); - -/* from layer 2 */ -extern int i4b_ph_data_ind(int unit, struct mbuf *m); -extern int i4b_ph_activate_ind(int unit); -extern int i4b_ph_deactivate_ind(int unit); -extern int i4b_mph_attach_ind(int unit); -extern int i4b_mph_status_ind(int, int, int); - -/* layer 1 lme */ -static int i4b_mph_command_req(int, int, int); - -/* jump table */ -struct i4b_l1l2_func i4b_l1l2_func = { - - /* Layer 1 --> Layer 2 */ - - (int (*)(int, struct mbuf *)) i4b_ph_data_ind, - (int (*)(int)) i4b_ph_activate_ind, - (int (*)(int)) i4b_ph_deactivate_ind, - - /* Layer 2 --> Layer 1 */ - - (int (*)(int, struct mbuf *, int)) ph_data_req, - (int (*)(int)) ph_activate_req, - - /* Layer 1 --> upstream, ISDN trace data */ - - (int (*)(i4b_trace_hdr_t *, int, u_char *)) get_trace_data_from_l1, - - /* Driver control and status information */ - - (int (*)(int, int, int)) i4b_mph_status_ind, - (int (*)(int, int, int)) i4b_mph_command_req, -}; - -/*---------------------------------------------------------------------------* - * - * 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 - * - *---------------------------------------------------------------------------*/ -static int -ph_data_req(int unit, struct mbuf *m, int freeflag) -{ - u_char cmd; - int s; - -#ifdef __FreeBSD__ - struct isic_softc *sc = &isic_sc[unit]; -#else - struct isic_softc *sc = isic_find_sc(unit); -#endif - -#ifdef NOTDEF - DBGL1(L1_PRIM, "PH-DATA-REQ", ("unit %d, freeflag=%d\n", unit, freeflag)); -#endif - - if(m == NULL) /* failsafe */ - return (0); - - s = SPLI4B(); - - if(sc->sc_I430state == ST_F3) /* layer 1 not running ? */ - { - DBGL1(L1_I_ERR, "ph_data_req", ("still in state F3!\n")); - 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 */ - - DBGL1(L1_I_MSG, "ph_data_req", ("using 2nd ISAC TX buffer, state = %s\n", isic_printstate(sc))); - - if(sc->sc_trace & TRACE_D_TX) - { - i4b_trace_hdr_t hdr; - hdr.unit = unit; - hdr.type = TRC_CH_D; - hdr.dir = FROM_TE; - hdr.count = ++sc->sc_trace_dcount; - MICROTIME(hdr.time); - MPH_Trace_Ind(&hdr, m->m_len, m->m_data); - } - splx(s); - return(1); - } - - DBGL1(L1_I_ERR, "ph_data_req", ("No Space in TX FIFO, state = %s\n", 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 = unit; - hdr.type = TRC_CH_D; - hdr.dir = FROM_TE; - hdr.count = ++sc->sc_trace_dcount; - MICROTIME(hdr.time); - MPH_Trace_Ind(&hdr, m->m_len, m->m_data); - } - - sc->sc_state |= ISAC_TX_ACTIVE; /* set transmitter busy flag */ - - DBGL1(L1_I_MSG, "ph_data_req", ("ISAC_TX_ACTIVE set\n")); - - 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 - * - *---------------------------------------------------------------------------*/ -static int -ph_activate_req(int unit) -{ - -#ifdef __FreeBSD__ - struct isic_softc *sc = &isic_sc[unit]; -#else - struct isic_softc *sc = isic_find_sc(unit); -#endif - - DBGL1(L1_PRIM, "PH-ACTIVATE-REQ", ("unit %d\n", unit)); - isic_next_state(sc, EV_PHAR); - return(0); -} - -/*---------------------------------------------------------------------------* - * command from the upper layers - *---------------------------------------------------------------------------*/ -static int -i4b_mph_command_req(int unit, int command, int parm) -{ -#ifdef __FreeBSD__ - struct isic_softc *sc = &isic_sc[unit]; -#else - struct isic_softc *sc = isic_find_sc(unit); -#endif - - switch(command) - { - case CMR_DOPEN: /* daemon running */ - DBGL1(L1_PRIM, "MPH-COMMAND-REQ", ("unit %d, command = CMR_DOPEN\n", unit)); - sc->sc_enabled = 1; - break; - - case CMR_DCLOSE: /* daemon not running */ - DBGL1(L1_PRIM, "MPH-COMMAND-REQ", ("unit %d, command = CMR_DCLOSE\n", unit)); - sc->sc_enabled = 0; - break; - - default: - DBGL1(L1_ERROR, "i4b_mph_command_req", ("ERROR, unknown command = %d, unit = %d, parm = %d\n", command, unit, parm)); - break; - } - - return(0); -} - -#endif /* NISIC > 0 */ - |