+++ /dev/null
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) University of British Columbia, 1984
- * Copyright (c) 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * the Laboratory for Computation Vision and the Computer Science Department
- * of the University of British Columbia.
- *
- * 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- *
- * @(#)hd_debug.c 8.1 (Berkeley) 6/10/93
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/mbuf.h>
-#include <sys/domain.h>
-#include <sys/socket.h>
-#include <sys/protosw.h>
-#include <sys/errno.h>
-#include <sys/time.h>
-#include <sys/kernel.h>
-
-#include <net/if.h>
-
-#include <netccitt/hdlc.h>
-#include <netccitt/hd_var.h>
-#include <netccitt/x25.h>
-
-#ifdef HDLCDEBUG
-#define NTRACE 32
-
-struct hdlctrace {
- struct hdcb *ht_hdp;
- short ht_dir;
- struct mbuf *ht_frame;
- struct timeval ht_time;
-} hdtrace[NTRACE];
-
-int lasttracelogged, freezetrace;
-#endif
-
-hd_trace (hdp, direction, frame)
-struct hdcb *hdp;
-register struct Hdlc_frame *frame;
-{
- register char *s;
- register int nr, pf, ns, i;
- struct Hdlc_iframe *iframe = (struct Hdlc_iframe *) frame;
-
-#ifdef HDLCDEBUG
- hd_savetrace (hdp, direction, frame);
-#endif
- if (hdp -> hd_xcp -> xc_ltrace) {
- if (direction == RX)
- printf ("F-In: ");
- else if (direction == 2)
- printf ("F-Xmt: ");
- else
- printf ("F-Out: ");
-
- nr = iframe -> nr;
- pf = iframe -> pf;
- ns = iframe -> ns;
-
- switch (hd_decode (hdp, frame)) {
- case SABM:
- printf ("SABM : PF=%d\n", pf);
- break;
-
- case DISC:
- printf ("DISC : PF=%d\n", pf);
- break;
-
- case DM:
- printf ("DM : PF=%d\n", pf);
- break;
-
- case FRMR:
- {
- register struct Frmr_frame *f = (struct Frmr_frame *)frame;
-
- printf ("FRMR : PF=%d, TEXT=", pf);
- for (s = (char *) frame, i = 0; i < 5; ++i, ++s)
- printf ("%x ", (int) * s & 0xff);
- printf ("\n");
- printf ("control=%x v(s)=%d v(r)=%d w%d x%d y%d z%d\n",
- f->frmr_control, f->frmr_ns, f->frmr_nr,
- f->frmr_w, f->frmr_x, f->frmr_y, f->frmr_z);
- break;
- }
-
- case UA:
- printf ("UA : PF=%d\n", pf);
- break;
-
- case RR:
- printf ("RR : N(R)=%d, PF=%d\n", nr, pf);
- break;
-
- case RNR:
- printf ("RNR : N(R)=%d, PF=%d\n", nr, pf);
- break;
-
- case REJ:
- printf ("REJ : N(R)=%d, PF=%d\n", nr, pf);
- break;
-
- case IFRAME:
- {
- register struct mbuf *m;
- register int len = 0;
-
- for(m = dtom (frame); m; m = m -> m_next)
- len += m -> m_len;
- len -= HDHEADERLN;
- printf ("IFRAME : N(R)=%d, PF=%d, N(S)=%d, DATA(%d)=",
- nr, pf, ns, len);
- for (s = (char *)iframe->i_field, i = 0; i < 3; ++i, ++s)
- printf ("%x ", (int) *s & 0xff);
- printf ("\n");
- break;
- }
-
- default:
- printf ("ILLEGAL: ");
- for (s = (char *) frame, i = 0; i < 5; ++i, ++s)
- printf ("%x ", (int) *s & 0xff);
- printf ("\n");
- }
-
- }
-}
-
-#ifdef HDLCDEBUG
-static
-hd_savetrace (hdp, dir, frame)
-struct hdcb *hdp;
-struct Hdlc_frame *frame;
-{
- register struct hdlctrace *htp;
- register struct mbuf *m;
-
- if (freezetrace)
- return;
- htp = &hdtrace[lasttracelogged];
- lasttracelogged = (lasttracelogged + 1) % NTRACE;
- if (m = htp->ht_frame)
- m_freem (m);
- m = dtom (frame);
- htp->ht_frame = m_copy (m, 0, m->m_len);
- htp->ht_hdp = hdp;
- htp->ht_dir = dir;
- htp->ht_time = time;
-}
-
-hd_dumptrace (hdp)
-struct hdcb *hdp;
-{
- register int i, ltrace;
- register struct hdlctrace *htp;
-
- freezetrace = 1;
- hd_status (hdp);
- printf ("retransmit queue:");
- for (i = 0; i < 8; i++)
- printf (" %x", hdp -> hd_retxq[i]);
- printf ("\n");
- ltrace = hdp -> hd_xcp -> xc_ltrace;
- hdp -> hd_xcp -> xc_ltrace = 1;
- for (i = 0; i < NTRACE; i++) {
- htp = &hdtrace[(lasttracelogged + i) % NTRACE];
- if (htp->ht_hdp != hdp || htp->ht_frame == 0)
- continue;
- printf ("%d/%d ", htp->ht_time.tv_sec & 0xff,
- htp->ht_time.tv_usec / 10000);
- hd_trace (htp->ht_hdp, htp->ht_dir,
- mtod (htp->ht_frame, struct Hdlc_frame *));
- m_freem (htp->ht_frame);
- htp->ht_frame = 0;
- }
- hdp -> hd_xcp -> xc_ltrace = ltrace;
- freezetrace = 0;
-}
-#endif
projects / apple / xnu.git / blobdiff