87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/* $NetBSD: i4b_l1l2.c,v 1.2 2001/11/13 01:06:21 lukem Exp $ */
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/*
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* Copyright (c) 2001 Martin Husemann. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: i4b_l1l2.c,v 1.2 2001/11/13 01:06:21 lukem Exp $");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <sys/callout.h>
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#include <netisdn/i4b_debug.h>
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#include <netisdn/i4b_ioctl.h>
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#include <netisdn/i4b_global.h>
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#include <netisdn/i4b_l1l2.h>
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#include <netisdn/i4b_l2.h>
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#include <netisdn/i4b_trace.h>
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static SIMPLEQ_HEAD(, l2_softc) bri_list = SIMPLEQ_HEAD_INITIALIZER(bri_list);
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static int next_bri = 0;
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/* Attach a new BRI and return it's layer 2 token. */
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isdn_layer2token
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isdn_attach_layer1_bri(isdn_layer1token l1sc,
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const char * device_name,
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const char * human_readable_name,
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const struct isdn_layer1_bri_driver * drv)
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{
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struct l2_softc *l2sc;
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l2sc = malloc(sizeof(struct l2_softc), M_DEVBUF, 0);
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memset(l2sc, 0, sizeof(struct l2_softc));
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l2sc->l1_token = l1sc;
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l2sc->driver = drv;
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l2sc->bri = next_bri++;
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SIMPLEQ_INSERT_HEAD(&bri_list, l2sc, briq);
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printf("BRI %d at %s: %s\n", l2sc->bri, device_name, human_readable_name);
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isdn_layer2_status_ind(l2sc, STI_ATTACH, 1 /* lying about cardtype for now */ );
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return l2sc;
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}
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/* Detach a BRI. */
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int
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isdn_detach_layer1_bri(isdn_layer2token l2sc)
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{
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/* XXX - not yet implemented */
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return 0;
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}
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/* this function will go away once we have all inter-layer interfaces straight */
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isdn_layer2token isdn_find_l2_by_bri(int bri)
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{
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struct l2_softc *sc;
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SIMPLEQ_FOREACH(sc, &bri_list, briq)
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if (sc->bri == bri)
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return sc;
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return NULL;
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}
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