171 lines
4.5 KiB
C
171 lines
4.5 KiB
C
/*
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* Copyright (c) 1995, Mike Mitchell
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* Copyright (c) 1984, 1985, 1986, 1987, 1993
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* The Regents of the University of California. 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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* 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 University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* @(#)spx_debug.c
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*
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* $FreeBSD$
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*/
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#include "opt_inet.h"
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#include "opt_tcpdebug.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/protosw.h>
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#include <netinet/in_systm.h>
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#include <netinet/tcp_fsm.h>
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#include <netipx/ipx.h>
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#include <netipx/ipx_var.h>
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#include <netipx/spx.h>
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#define SPXTIMERS
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#include <netipx/spx_timer.h>
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#define SANAMES
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#include <netipx/spx_debug.h>
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#ifdef TCPDEBUG
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static int spxconsdebug = 0;
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static struct spx_debug spx_debug[SPX_NDEBUG];
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static int spx_debx;
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#endif
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/*
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* spx debug routines
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*/
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void
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spx_trace(act, ostate, sp, si, req)
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short act;
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u_char ostate;
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struct spxpcb *sp;
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struct spx *si;
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int req;
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{
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#ifdef INET
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#ifdef TCPDEBUG
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u_short seq, ack, len, alo;
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int flags;
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struct spx_debug *sd = &spx_debug[spx_debx++];
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if (spx_debx == SPX_NDEBUG)
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spx_debx = 0;
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sd->sd_time = iptime();
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sd->sd_act = act;
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sd->sd_ostate = ostate;
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sd->sd_cb = (caddr_t)sp;
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if (sp != NULL)
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sd->sd_sp = *sp;
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else
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bzero((caddr_t)&sd->sd_sp, sizeof(*sp));
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if (si != NULL)
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sd->sd_si = *si;
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else
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bzero((caddr_t)&sd->sd_si, sizeof(*si));
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sd->sd_req = req;
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if (spxconsdebug == 0)
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return;
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if (ostate >= TCP_NSTATES)
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ostate = 0;
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if (act >= SA_DROP)
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act = SA_DROP;
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if (sp != NULL)
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printf("%p %s:", (void *)sp, tcpstates[ostate]);
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else
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printf("???????? ");
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printf("%s ", spxnames[act]);
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switch (act) {
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case SA_RESPOND:
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case SA_INPUT:
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case SA_OUTPUT:
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case SA_DROP:
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if (si == NULL)
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break;
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seq = si->si_seq;
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ack = si->si_ack;
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alo = si->si_alo;
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len = si->si_len;
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if (act == SA_OUTPUT) {
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seq = ntohs(seq);
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ack = ntohs(ack);
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alo = ntohs(alo);
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len = ntohs(len);
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}
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#ifndef lint
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#define p1(f) { printf("%s = %x, ", "f", f); }
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p1(seq); p1(ack); p1(alo); p1(len);
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#endif
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flags = si->si_cc;
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if (flags) {
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char *cp = "<";
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#ifndef lint
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#define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } }
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pf(SP); pf(SA); pf(OB); pf(EM);
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#else
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cp = cp;
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#endif
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printf(">");
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}
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#ifndef lint
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#define p2(f) { printf("%s = %x, ", "f", si->si_ ## f); }
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p2(sid);p2(did);p2(dt);p2(pt);
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#endif
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ipx_printhost(&si->si_sna);
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ipx_printhost(&si->si_dna);
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if (act == SA_RESPOND) {
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printf("ipx_len = %x, ",
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((struct ipx *)si)->ipx_len);
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}
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break;
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case SA_USER:
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printf("%s", prurequests[req&0xff]);
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if ((req & 0xff) == PRU_SLOWTIMO)
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printf("<%s>", spxtimers[req>>8]);
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break;
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}
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if (sp)
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printf(" -> %s", tcpstates[sp->s_state]);
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/* print out internal state of sp !?! */
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printf("\n");
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if (sp == 0)
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return;
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#ifndef lint
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#define p3(f) { printf("%s = %x, ", "f", sp->s_ ## f); }
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printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
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#endif
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#endif
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#endif
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}
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