182 lines
6.3 KiB
C
182 lines
6.3 KiB
C
/* $NetBSD: pk_debug.c,v 1.14 2005/12/11 12:24:54 christos Exp $ */
|
|
|
|
/*
|
|
* 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. 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.
|
|
*
|
|
* @(#)pk_debug.c 8.1 (Berkeley) 6/10/93
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1984 University of British Columbia.
|
|
*
|
|
* 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.
|
|
*
|
|
* @(#)pk_debug.c 8.1 (Berkeley) 6/10/93
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: pk_debug.c,v 1.14 2005/12/11 12:24:54 christos Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/protosw.h>
|
|
#include <sys/socketvar.h>
|
|
#include <sys/errno.h>
|
|
|
|
#include <net/if.h>
|
|
|
|
#include <netccitt/x25.h>
|
|
#include <netccitt/pk.h>
|
|
#include <netccitt/pk_var.h>
|
|
#include <netccitt/pk_extern.h>
|
|
|
|
const char *pk_state[] = {
|
|
"Listen", "Ready", "Received-Call",
|
|
"Sent-Call", "Data-Transfer","Received-Clear",
|
|
"Sent-Clear",
|
|
};
|
|
|
|
const char *pk_name[] = {
|
|
"Call", "Call-Conf", "Clear",
|
|
"Clear-Conf", "Data", "Intr", "Intr-Conf",
|
|
"Rr", "Rnr", "Reset", "Reset-Conf",
|
|
"Restart", "Restart-Conf", "Reject", "Diagnostic",
|
|
"Invalid"
|
|
};
|
|
|
|
void
|
|
pk_trace (xcp, m, dir)
|
|
struct x25config *xcp;
|
|
struct mbuf *m;
|
|
const char *dir;
|
|
{
|
|
char *s;
|
|
struct x25_packet *xp = mtod(m, struct x25_packet *);
|
|
int i, len = 0, cnt = 0;
|
|
|
|
if (xcp -> xc_ptrace == 0)
|
|
return;
|
|
|
|
i = pk_decode (xp) / MAXSTATES;
|
|
for (; m; m = m -> m_next) {
|
|
len = len + m -> m_len;
|
|
++cnt;
|
|
}
|
|
printf ("LCN=%d %s: %s #=%d, len=%d ",
|
|
LCN(xp), dir, pk_name[i], cnt, len);
|
|
for (s = (char *) xp, i = 0; i < 5; ++i, ++s)
|
|
printf ("%x ", (int) * s & 0xff);
|
|
printf ("\n");
|
|
}
|
|
|
|
void
|
|
mbuf_cache(c, m)
|
|
struct mbuf_cache *c;
|
|
struct mbuf *m;
|
|
{
|
|
struct mbuf **mp;
|
|
|
|
if (c->mbc_size != c->mbc_oldsize) {
|
|
unsigned zero_size, copy_size;
|
|
unsigned new_size = c->mbc_size * sizeof(m);
|
|
caddr_t cache = (caddr_t)c->mbc_cache;
|
|
|
|
if (new_size) {
|
|
c->mbc_cache = (struct mbuf **)
|
|
malloc(new_size, M_MBUF, M_NOWAIT);
|
|
if (c->mbc_cache == 0) {
|
|
c->mbc_cache = (struct mbuf **)cache;
|
|
return;
|
|
}
|
|
c->mbc_num %= c->mbc_size;
|
|
} else
|
|
c->mbc_cache = 0;
|
|
if (c->mbc_size < c->mbc_oldsize) {
|
|
struct mbuf **mplim;
|
|
mp = c->mbc_size + (struct mbuf **)cache;
|
|
mplim = c->mbc_oldsize + (struct mbuf **)cache;
|
|
while (mp < mplim)
|
|
m_freem(*mp++);
|
|
zero_size = 0;
|
|
} else
|
|
zero_size = (c->mbc_size - c->mbc_oldsize) * sizeof(m);
|
|
copy_size = new_size - zero_size;
|
|
c->mbc_oldsize = c->mbc_size;
|
|
if (copy_size)
|
|
bcopy(cache, (caddr_t)c->mbc_cache, copy_size);
|
|
if (cache)
|
|
free(cache, M_MBUF);
|
|
if (zero_size)
|
|
bzero(copy_size + (caddr_t)c->mbc_cache, zero_size);
|
|
}
|
|
if (c->mbc_size == 0)
|
|
return;
|
|
mp = c->mbc_cache + c->mbc_num;
|
|
c->mbc_num = (1 + c->mbc_num) % c->mbc_size;
|
|
if (*mp)
|
|
m_freem(*mp);
|
|
if ((*mp = m_copym(m, 0, M_COPYALL, M_DONTWAIT)) != NULL)
|
|
(*mp)->m_flags |= m->m_flags & 0x08;
|
|
}
|