752 lines
18 KiB
C
752 lines
18 KiB
C
/* $NetBSD: irframe_tty.c,v 1.1 2001/12/03 23:32:32 augustss Exp $ */
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/*
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net).
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Loosely based on ppp_tty.c.
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*/
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/kernel.h>
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#include <sys/conf.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/file.h>
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#include <sys/poll.h>
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#include <dev/ir/ir.h>
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#include <dev/ir/irdaio.h>
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#include <dev/ir/irframevar.h>
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/* Macros to clear/set/test flags. */
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#define SET(t, f) (t) |= (f)
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#define CLR(t, f) (t) &= ~((unsigned)(f))
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#define ISSET(t, f) ((t) & (f))
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#ifdef IRFRAMET_DEBUG
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#define DPRINTF(x) if (irframetdebug) printf x
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int irframetdebug = 1;
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#else
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#define DPRINTF(x)
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#endif
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/* Protocol constants */
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#define SIR_EXTRA_BOF 0xff
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#define SIR_BOF 0xc0
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#define SIR_CE 0x7d
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#define SIR_EOF 0xc1
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#define SIR_ESC_BIT 0x20
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/*****/
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#define MAX_IRDA_FRAME 5000 /* XXX what is it? */
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struct irframet_softc {
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struct irframe_softc sc_irp;
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struct tty *sc_tp;
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int sc_ebofs;
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};
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/* line discipline methods */
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int irframetopen(dev_t dev, struct tty *tp);
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int irframetclose(struct tty *tp, int flag);
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int irframetioctl(struct tty *tp, u_long cmd, caddr_t data, int flag,
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struct proc *);
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int irframetinput(int c, struct tty *tp);
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int irframetstart(struct tty *tp);
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/* irframe methods */
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int irframet_open(void *h, int flag, int mode, struct proc *p);
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int irframet_close(void *h, int flag, int mode, struct proc *p);
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int irframet_read(void *h, struct uio *uio, int flag);
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int irframet_write(void *h, struct uio *uio, int flag);
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int irframet_poll(void *h, int events, struct proc *p);
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int irframet_set_params(void *h, struct irda_params *params);
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int irframet_reset_params(void *h);
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int irframet_get_speeds(void *h, int *speeds);
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int irframet_get_turnarounds(void *h, int *times);
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int irframet_write_buf(void *h, void *buf, size_t len);
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void irframettyattach(int);
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struct irframe_methods irframet_methods = {
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irframet_open, irframet_close, irframet_read, irframet_write,
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irframet_poll, irframet_set_params, irframet_reset_params,
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irframet_get_speeds, irframet_get_speeds
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};
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void
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irframettyattach(int n)
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{
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}
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/*
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* Line specific open routine for async tty devices.
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* Attach the given tty to the first available irframe unit.
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* Called from device open routine or ttioctl.
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*/
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/* ARGSUSED */
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int
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irframetopen(dev_t dev, struct tty *tp)
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{
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struct proc *p = curproc; /* XXX */
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struct irframet_softc *sc;
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int error, s;
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DPRINTF(("%s\n", __FUNCTION__));
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if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
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return (error);
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s = spltty();
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DPRINTF(("%s: linesw=%p disc=%d\n", __FUNCTION__, tp->t_linesw,
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tp->t_linesw->l_no));
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if (tp->t_linesw->l_no == IRFRAMEDISC) {
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sc = (struct irframet_softc *)tp->t_sc;
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DPRINTF(("%s: sc=%p sc_tp=%p\n", __FUNCTION__, sc, sc->sc_tp));
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if (sc != NULL) {
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splx(s);
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return (EBUSY);
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}
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}
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printf("%s attached at tty%d:", sc->sc_irp.sc_dev.dv_xname,
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minor(tp->t_dev));
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tp->t_sc = irframe_alloc(sizeof (struct irframet_softc),
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&irframet_methods, tp);
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sc = (struct irframet_softc *)tp->t_sc;
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sc->sc_tp = tp;
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DPRINTF(("%s: set sc=%p\n", __FUNCTION__, sc));
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ttyflush(tp, FREAD | FWRITE);
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splx(s);
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return (0);
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}
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/*
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* Line specific close routine, called from device close routine
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* and from ttioctl.
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* Detach the tty from the irframe unit.
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* Mimics part of ttyclose().
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*/
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int
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irframetclose(struct tty *tp, int flag)
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{
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struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;
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int s;
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DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
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s = spltty();
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ttyflush(tp, FREAD | FWRITE);
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tp->t_linesw = linesw[0]; /* default line discipline */
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if (sc != NULL) {
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tp->t_sc = NULL;
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printf("%s detached from tty%d\n", sc->sc_irp.sc_dev.dv_xname,
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minor(tp->t_dev));
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if (sc->sc_tp == tp)
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irframe_dealloc(&sc->sc_irp.sc_dev);
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}
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splx(s);
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return (0);
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}
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/*
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* Line specific (tty) ioctl routine.
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* This discipline requires that tty device drivers call
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* the line specific l_ioctl routine from their ioctl routines.
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*/
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/* ARGSUSED */
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int
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irframetioctl(struct tty *tp, u_long cmd, caddr_t data, int flag,
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struct proc *p)
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{
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struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;
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int error;
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DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
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if (sc == NULL || tp != sc->sc_tp)
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return (-1);
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error = 0;
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switch (cmd) {
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default:
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#if 0
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error = irframeioctl(sc, cmd, data, flag, p);
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#else
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error = EINVAL;
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#endif
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break;
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}
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return (error);
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}
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/*
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* Start output on async tty interface. If the transmit queue
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* has drained sufficiently, arrange for irframeasyncstart to be
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* called later at splsoftnet.
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* Called at spltty or higher.
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*/
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int
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irframetstart(struct tty *tp)
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{
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/*struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;*/
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DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
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/*
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* If there is stuff in the output queue, send it now.
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* We are being called in lieu of ttstart and must do what it would.
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*/
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if (tp->t_oproc != NULL)
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(*tp->t_oproc)(tp);
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return (0);
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}
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int
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irframetinput(int c, struct tty *tp)
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{
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struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;
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DPRINTF(("%s: tp=%p c=0x%0x\n", __FUNCTION__, tp, c));
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if (sc == NULL || tp != (struct tty *)sc->sc_tp)
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return (0);
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#if 0
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++tk_nin;
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++sc->sc_stats.irframe_ibytes;
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if (c & TTY_FE) {
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/* framing error or overrun on this char - abort packet */
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if (sc->sc_flags & SC_DEBUG)
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printf("%s: bad char %x\n", sc->sc_if.if_xname, c);
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goto flush;
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}
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c &= 0xff;
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/*
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* Handle software flow control of output.
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*/
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if (tp->t_iflag & IXON) {
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if (c == tp->t_cc[VSTOP] && tp->t_cc[VSTOP] != _POSIX_VDISABLE) {
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if ((tp->t_state & TS_TTSTOP) == 0) {
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tp->t_state |= TS_TTSTOP;
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(*cdevsw[major(tp->t_dev)].d_stop)(tp, 0);
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}
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return 0;
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}
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if (c == tp->t_cc[VSTART] && tp->t_cc[VSTART] != _POSIX_VDISABLE) {
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tp->t_state &= ~TS_TTSTOP;
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if (tp->t_oproc != NULL)
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(*tp->t_oproc)(tp);
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return 0;
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}
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}
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s = spltty();
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if (c & 0x80)
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sc->sc_flags |= SC_RCV_B7_1;
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else
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sc->sc_flags |= SC_RCV_B7_0;
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if (paritytab[c >> 5] & (1 << (c & 0x1F)))
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sc->sc_flags |= SC_RCV_ODDP;
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else
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sc->sc_flags |= SC_RCV_EVNP;
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splx(s);
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if (sc->sc_flags & SC_LOG_RAWIN)
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irframelogchar(sc, c);
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if (c == IRFRAME_FLAG) {
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ilen = sc->sc_ilen;
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sc->sc_ilen = 0;
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if (sc->sc_rawin_count > 0)
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irframelogchar(sc, -1);
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/*
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* If SC_ESCAPED is set, then we've seen the packet
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* abort sequence "}~".
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*/
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if (sc->sc_flags & (SC_FLUSH | SC_ESCAPED)
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|| (ilen > 0 && sc->sc_fcs != IRFRAME_GOODFCS)) {
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s = spltty();
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sc->sc_flags |= SC_PKTLOST; /* note the dropped packet */
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if ((sc->sc_flags & (SC_FLUSH | SC_ESCAPED)) == 0){
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if (sc->sc_flags & SC_DEBUG)
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printf("%s: bad fcs %x\n", sc->sc_if.if_xname,
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sc->sc_fcs);
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sc->sc_if.if_ierrors++;
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sc->sc_stats.irframe_ierrors++;
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} else
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sc->sc_flags &= ~(SC_FLUSH | SC_ESCAPED);
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splx(s);
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return 0;
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}
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if (ilen < IRFRAME_HDRLEN + IRFRAME_FCSLEN) {
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if (ilen) {
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if (sc->sc_flags & SC_DEBUG)
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printf("%s: too short (%d)\n", sc->sc_if.if_xname, ilen);
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s = spltty();
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sc->sc_if.if_ierrors++;
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sc->sc_stats.irframe_ierrors++;
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sc->sc_flags |= SC_PKTLOST;
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splx(s);
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}
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return 0;
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}
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/*
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* Remove FCS trailer. Somewhat painful...
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*/
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ilen -= 2;
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if (--sc->sc_mc->m_len == 0) {
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for (m = sc->sc_m; m->m_next != sc->sc_mc; m = m->m_next)
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;
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sc->sc_mc = m;
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}
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sc->sc_mc->m_len--;
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/* excise this mbuf chain */
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m = sc->sc_m;
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sc->sc_m = sc->sc_mc->m_next;
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sc->sc_mc->m_next = NULL;
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irframepktin(sc, m, sc->sc_flags & SC_PKTLOST);
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if (sc->sc_flags & SC_PKTLOST) {
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s = spltty();
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sc->sc_flags &= ~SC_PKTLOST;
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splx(s);
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}
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irframegetm(sc);
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return 0;
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}
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if (sc->sc_flags & SC_FLUSH) {
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if (sc->sc_flags & SC_LOG_FLUSH)
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irframelogchar(sc, c);
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return 0;
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}
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if (c < 0x20 && (sc->sc_rasyncmap & (1 << c)))
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return 0;
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s = spltty();
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if (sc->sc_flags & SC_ESCAPED) {
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sc->sc_flags &= ~SC_ESCAPED;
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c ^= IRFRAME_TRANS;
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} else if (c == IRFRAME_ESCAPE) {
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sc->sc_flags |= SC_ESCAPED;
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splx(s);
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return 0;
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}
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splx(s);
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/*
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* Initialize buffer on first octet received.
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* First octet could be address or protocol (when compressing
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* address/control).
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* Second octet is control.
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* Third octet is first or second (when compressing protocol)
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* octet of protocol.
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* Fourth octet is second octet of protocol.
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*/
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if (sc->sc_ilen == 0) {
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/* reset the first input mbuf */
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if (sc->sc_m == NULL) {
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irframegetm(sc);
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if (sc->sc_m == NULL) {
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if (sc->sc_flags & SC_DEBUG)
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printf("%s: no input mbufs!\n", sc->sc_if.if_xname);
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goto flush;
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}
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}
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m = sc->sc_m;
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m->m_len = 0;
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m->m_data = M_DATASTART(sc->sc_m);
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sc->sc_mc = m;
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sc->sc_mp = mtod(m, char *);
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sc->sc_fcs = IRFRAME_INITFCS;
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if (c != IRFRAME_ALLSTATIONS) {
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if (sc->sc_flags & SC_REJ_COMP_AC) {
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if (sc->sc_flags & SC_DEBUG)
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printf("%s: garbage received: 0x%x (need 0xFF)\n",
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sc->sc_if.if_xname, c);
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goto flush;
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}
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*sc->sc_mp++ = IRFRAME_ALLSTATIONS;
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*sc->sc_mp++ = IRFRAME_UI;
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sc->sc_ilen += 2;
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m->m_len += 2;
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}
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}
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if (sc->sc_ilen == 1 && c != IRFRAME_UI) {
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if (sc->sc_flags & SC_DEBUG)
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printf("%s: missing UI (0x3), got 0x%x\n",
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sc->sc_if.if_xname, c);
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goto flush;
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}
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if (sc->sc_ilen == 2 && (c & 1) == 1) {
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/* a compressed protocol */
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*sc->sc_mp++ = 0;
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sc->sc_ilen++;
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sc->sc_mc->m_len++;
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}
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if (sc->sc_ilen == 3 && (c & 1) == 0) {
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if (sc->sc_flags & SC_DEBUG)
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printf("%s: bad protocol %x\n", sc->sc_if.if_xname,
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(sc->sc_mp[-1] << 8) + c);
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goto flush;
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}
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/* packet beyond configured mru? */
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if (++sc->sc_ilen > sc->sc_mru + IRFRAME_HDRLEN + IRFRAME_FCSLEN) {
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if (sc->sc_flags & SC_DEBUG)
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printf("%s: packet too big\n", sc->sc_if.if_xname);
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goto flush;
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}
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/* is this mbuf full? */
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m = sc->sc_mc;
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if (M_TRAILINGSPACE(m) <= 0) {
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if (m->m_next == NULL) {
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irframegetm(sc);
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if (m->m_next == NULL) {
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if (sc->sc_flags & SC_DEBUG)
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printf("%s: too few input mbufs!\n", sc->sc_if.if_xname);
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goto flush;
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}
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}
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sc->sc_mc = m = m->m_next;
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m->m_len = 0;
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m->m_data = M_DATASTART(m);
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sc->sc_mp = mtod(m, char *);
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}
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++m->m_len;
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*sc->sc_mp++ = c;
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sc->sc_fcs = IRFRAME_FCS(sc->sc_fcs, c);
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return 0;
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flush:
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if (!(sc->sc_flags & SC_FLUSH)) {
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s = spltty();
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sc->sc_if.if_ierrors++;
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sc->sc_stats.irframe_ierrors++;
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sc->sc_flags |= SC_FLUSH;
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splx(s);
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if (sc->sc_flags & SC_LOG_FLUSH)
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irframelogchar(sc, c);
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}
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#endif
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return 0;
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}
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/**********************************************************************
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* CRC
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**********************************************************************/
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static const int fcstab[] = {
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0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
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0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
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0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
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0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
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0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
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0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
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0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
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0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
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0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
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0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
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0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
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0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
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0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
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0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
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0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
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0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
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0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
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0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
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0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
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0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
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0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
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0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
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0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
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0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
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0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
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0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
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0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
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0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
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0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
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0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
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0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
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0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
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};
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static const int INITFCS = 0xffff;
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static const int GOODFCS = 0xf0b8;
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static __inline int updateFCS(int fcs, int c) {
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return (fcs >> 8) ^ fcstab[(fcs^c) & 0xff];
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}
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/*** irframe methods ***/
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int
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irframet_open(void *h, int flag, int mode, struct proc *p)
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{
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struct tty *tp = h;
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tp = tp;
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DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
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return (0);
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}
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int
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irframet_close(void *h, int flag, int mode, struct proc *p)
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{
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struct tty *tp = h;
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tp = tp;
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DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
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return (0);
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}
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int
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irframet_read(void *h, struct uio *uio, int flag)
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{
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struct tty *tp = h;
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tp = tp;
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DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
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return (0);
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}
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static int
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putch(int c, struct tty *tp)
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{
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int s;
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int error;
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if (tp->t_outq.c_cc > tp->t_hiwat) {
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irframetstart(tp);
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s = spltty();
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/*
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* This can only occur if FLUSHO is set in t_lflag,
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* or if ttstart/oproc is synchronous (or very fast).
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*/
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if (tp->t_outq.c_cc <= tp->t_hiwat) {
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splx(s);
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goto go;
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}
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SET(tp->t_state, TS_ASLEEP);
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error = ttysleep(tp, &tp->t_outq, TTOPRI | PCATCH, ttyout, 0);
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splx(s);
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if (error)
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return (error);
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}
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go:
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if (putc(c, &tp->t_rawq) < 0) {
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printf("irframe: putc failed\n");
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return (EIO);
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}
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return (0);
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}
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static int
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put_esc(int c, struct tty *tp)
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{
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int error;
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if (c == SIR_BOF || c == SIR_EOF || c == SIR_CE) {
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error = putch(SIR_CE, tp);
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if (!error)
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error = putch(SIR_ESC_BIT^c, tp);
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} else {
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error = putch(c, tp);
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}
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return (error);
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}
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int
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irframet_write(void *h, struct uio *uio, int flag)
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{
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u_int8_t buf[MAX_IRDA_FRAME];
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size_t n;
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int error;
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DPRINTF(("%s\n", __FUNCTION__));
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n = uio->uio_resid;
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if (n > MAX_IRDA_FRAME)
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return (EINVAL);
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error = uiomove(buf, n, uio);
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if (error)
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return (error);
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return (irframet_write_buf(h, buf, n));
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}
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int
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irframet_write_buf(void *h, void *buf, size_t len)
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{
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struct tty *tp = h;
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struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;
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u_int8_t *cp = buf;
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int c, error, ofcs, i;
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DPRINTF(("%s: tp=%p len=%d\n", __FUNCTION__, tp, len));
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ofcs = INITFCS;
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error = 0;
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for (i = 0; i < sc->sc_ebofs; i++)
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putch(SIR_EXTRA_BOF, tp);
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putch(SIR_BOF, tp);
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while (len-- > 0) {
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c = *cp++;
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ofcs = updateFCS(ofcs, c);
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error = put_esc(c, tp);
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if (error)
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return (error);
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}
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ofcs = ~ofcs;
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error = put_esc(ofcs & 0xff, tp);
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if (!error)
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error = put_esc((ofcs >> 8) & 0xff, tp);
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if (!error)
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error = putch(SIR_EOF, tp);
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irframetstart(tp);
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return (error);
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}
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int
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irframet_poll(void *h, int events, struct proc *p)
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{
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struct oboe_softc *sc = h;
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int revents = 0;
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int s;
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DPRINTF(("%s: sc=%p\n", __FUNCTION__, sc));
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s = splir();
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if (events & (POLLOUT | POLLWRNORM))
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revents |= events & (POLLOUT | POLLWRNORM);
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#if 0
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if (events & (POLLIN | POLLRDNORM)) {
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if (sc->sc_saved > 0) {
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DPRINTF(("%s: have data\n", __FUNCTION__));
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revents |= events & (POLLIN | POLLRDNORM);
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} else {
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DPRINTF(("%s: recording select", __FUNCTION__));
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selrecord(p, &sc->sc_rsel);
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}
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}
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#endif
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splx(s);
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return (revents);
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}
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int
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irframet_set_params(void *h, struct irda_params *p)
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{
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struct tty *tp = h;
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struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;
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DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
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/* XXX speed */
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sc->sc_ebofs = p->ebofs;
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/* XXX maxsize */
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return (0);
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}
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int
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irframet_reset_params(void *h)
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{
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struct tty *tp = h;
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struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;
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DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
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sc->sc_ebofs = IRDA_DEFAULT_EBOFS;
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return (0);
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}
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int
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irframet_get_speeds(void *h, int *speeds)
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{
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struct tty *tp = h;
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tp = tp;
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DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
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*speeds = IRDA_SPEEDS_SIR;
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return (0);
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}
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int
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irframet_get_turnarounds(void *h, int *turnarounds)
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{
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struct tty *tp = h;
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tp = tp;
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DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
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*turnarounds = IRDA_TURNT_10000;
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return (0);
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}
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