bsd/netns/spp_debug.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1984, 1985, 1986, 1987, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  *
  26  * Redistribution and use in source and binary forms, with or without
  27  * modification, are permitted provided that the following conditions
  28  * are met:
  29  * 1. Redistributions of source code must retain the above copyright
  30  *    notice, this list of conditions and the following disclaimer.
  31  * 2. Redistributions in binary form must reproduce the above copyright
  32  *    notice, this list of conditions and the following disclaimer in the
  33  *    documentation and/or other materials provided with the distribution.
  34  * 3. All advertising materials mentioning features or use of this software
  35  *    must display the following acknowledgement:
  36  *      This product includes software developed by the University of
  37  *      California, Berkeley and its contributors.
  38  * 4. Neither the name of the University nor the names of its contributors
  39  *    may be used to endorse or promote products derived from this software
  40  *    without specific prior written permission.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  52  * SUCH DAMAGE.
  53  *
  54  *      @(#)spp_debug.c 8.1 (Berkeley) 6/10/93
  55  */
  56
  57 #include <sys/param.h>
  58 #include <sys/systm.h>
  59 #include <sys/mbuf.h>
  60 #include <sys/socket.h>
  61 #include <sys/socketvar.h>
  62 #include <sys/protosw.h>
  63 #include <sys/errno.h>
  64
  65 #include <net/route.h>
  66 #include <net/if.h>
  67 #include <netinet/tcp_fsm.h>
  68
  69 #include <netns/ns.h>
  70 #include <netns/ns_pcb.h>
  71 #include <netns/idp.h>
  72 #include <netns/idp_var.h>
  73 #include <netns/sp.h>
  74 #include <netns/spidp.h>
  75 #define SPPTIMERS
  76 #include <netns/spp_timer.h>
  77 #include <netns/spp_var.h>
  78 #define SANAMES
  79 #include <netns/spp_debug.h>
  80
  81 int     sppconsdebug = 0;
  82 /*
  83  * spp debug routines
  84  */
  85 spp_trace(act, ostate, sp, si, req)
  86         short act;
  87         u_char ostate;
  88         struct sppcb *sp;
  89         struct spidp *si;
  90         int req;
  91 {
  92 #ifdef INET
  93 #ifdef TCPDEBUG
  94         u_short seq, ack, len, alo;
  95         unsigned long iptime();
  96         int flags;
  97         struct spp_debug *sd = &spp_debug[spp_debx++];
  98         extern char *prurequests[];
  99         extern char *sanames[];
 100         extern char *tcpstates[];
 101         extern char *spptimers[];
 102
 103         if (spp_debx == SPP_NDEBUG)
 104                 spp_debx = 0;
 105         sd->sd_time = iptime();
 106         sd->sd_act = act;
 107         sd->sd_ostate = ostate;
 108         sd->sd_cb = (caddr_t)sp;
 109         if (sp)
 110                 sd->sd_sp = *sp;
 111         else
 112                 bzero((caddr_t)&sd->sd_sp, sizeof (*sp));
 113         if (si)
 114                 sd->sd_si = *si;
 115         else
 116                 bzero((caddr_t)&sd->sd_si, sizeof (*si));
 117         sd->sd_req = req;
 118         if (sppconsdebug == 0)
 119                 return;
 120         if (ostate >= TCP_NSTATES) ostate = 0;
 121         if (act >= SA_DROP) act = SA_DROP;
 122         if (sp)
 123                 printf("%x %s:", sp, tcpstates[ostate]);
 124         else
 125                 printf("???????? ");
 126         printf("%s ", sanames[act]);
 127         switch (act) {
 128
 129         case SA_RESPOND:
 130         case SA_INPUT:
 131         case SA_OUTPUT:
 132         case SA_DROP:
 133                 if (si == 0)
 134                         break;
 135                 seq = si->si_seq;
 136                 ack = si->si_ack;
 137                 alo = si->si_alo;
 138                 len = si->si_len;
 139                 if (act == SA_OUTPUT) {
 140                         seq = ntohs(seq);
 141                         ack = ntohs(ack);
 142                         alo = ntohs(alo);
 143                         len = ntohs(len);
 144                 }
 145 #ifndef lint
 146 #define p1(f)  { printf("%s = %x, ", "f", f); }
 147                 p1(seq); p1(ack); p1(alo); p1(len);
 148 #endif
 149                 flags = si->si_cc;
 150                 if (flags) {
 151                         char *cp = "<";
 152 #ifndef lint
 153 #define pf(f) { if (flags&SP_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
 154                         pf(SP); pf(SA); pf(OB); pf(EM);
 155 #else
 156                         cp = cp;
 157 #endif
 158                         printf(">");
 159                 }
 160 #ifndef lint
 161 #define p2(f)  { printf("%s = %x, ", "f", si->si_/**/f); }
 162                 p2(sid);p2(did);p2(dt);p2(pt);
 163 #endif
 164                 ns_printhost(&si->si_sna);
 165                 ns_printhost(&si->si_dna);
 166
 167                 if (act==SA_RESPOND) {
 168                         printf("idp_len = %x, ",
 169                                 ((struct idp *)si)->idp_len);
 170                 }
 171                 break;
 172
 173         case SA_USER:
 174                 printf("%s", prurequests[req&0xff]);
 175                 if ((req & 0xff) == PRU_SLOWTIMO)
 176                         printf("<%s>", spptimers[req>>8]);
 177                 break;
 178         }
 179         if (sp)
 180                 printf(" -> %s", tcpstates[sp->s_state]);
 181         /* print out internal state of sp !?! */
 182         printf("\n");
 183         if (sp == 0)
 184                 return;
 185 #ifndef lint
 186 #define p3(f)  { printf("%s = %x, ", "f", sp->s_/**/f); }
 187         printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
 188 #endif
 189 #endif
 190 #endif
 191 }