net/tipc/msg.c

   1 /*
   2  * net/tipc/msg.c: TIPC message header routines
   3  *
   4  * Copyright (c) 2000-2006, Ericsson AB
   5  * Copyright (c) 2005, Wind River Systems
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the names of the copyright holders nor the names of its
  17  *    contributors may be used to endorse or promote products derived from
  18  *    this software without specific prior written permission.
  19  *
  20  * Alternatively, this software may be distributed under the terms of the
  21  * GNU General Public License ("GPL") version 2 as published by the Free
  22  * Software Foundation.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  34  * POSSIBILITY OF SUCH DAMAGE.
  35  */
  36
  37 #include "core.h"
  38 #include "addr.h"
  39 #include "dbg.h"
  40 #include "msg.h"
  41 #include "bearer.h"
  42
  43
  44 void tipc_msg_print(struct print_buf *buf, struct tipc_msg *msg, const char *str)
  45 {
  46         u32 usr = msg_user(msg);
  47         tipc_printf(buf, str);
  48
  49         switch (usr) {
  50         case MSG_BUNDLER:
  51                 tipc_printf(buf, "BNDL::");
  52                 tipc_printf(buf, "MSGS(%u):", msg_msgcnt(msg));
  53                 break;
  54         case BCAST_PROTOCOL:
  55                 tipc_printf(buf, "BCASTP::");
  56                 break;
  57         case MSG_FRAGMENTER:
  58                 tipc_printf(buf, "FRAGM::");
  59                 switch (msg_type(msg)) {
  60                 case FIRST_FRAGMENT:
  61                         tipc_printf(buf, "FIRST:");
  62                         break;
  63                 case FRAGMENT:
  64                         tipc_printf(buf, "BODY:");
  65                         break;
  66                 case LAST_FRAGMENT:
  67                         tipc_printf(buf, "LAST:");
  68                         break;
  69                 default:
  70                         tipc_printf(buf, "UNKNOWN:%x",msg_type(msg));
  71
  72                 }
  73                 tipc_printf(buf, "NO(%u/%u):",msg_long_msgno(msg),
  74                             msg_fragm_no(msg));
  75                 break;
  76         case DATA_LOW:
  77         case DATA_MEDIUM:
  78         case DATA_HIGH:
  79         case DATA_CRITICAL:
  80                 tipc_printf(buf, "DAT%u:", msg_user(msg));
  81                 if (msg_short(msg)) {
  82                         tipc_printf(buf, "CON:");
  83                         break;
  84                 }
  85                 switch (msg_type(msg)) {
  86                 case TIPC_CONN_MSG:
  87                         tipc_printf(buf, "CON:");
  88                         break;
  89                 case TIPC_MCAST_MSG:
  90                         tipc_printf(buf, "MCST:");
  91                         break;
  92                 case TIPC_NAMED_MSG:
  93                         tipc_printf(buf, "NAM:");
  94                         break;
  95                 case TIPC_DIRECT_MSG:
  96                         tipc_printf(buf, "DIR:");
  97                         break;
  98                 default:
  99                         tipc_printf(buf, "UNKNOWN TYPE %u",msg_type(msg));
 100                 }
 101                 if (msg_routed(msg) && !msg_non_seq(msg))
 102                         tipc_printf(buf, "ROUT:");
 103                 if (msg_reroute_cnt(msg))
 104                         tipc_printf(buf, "REROUTED(%u):",
 105                                     msg_reroute_cnt(msg));
 106                 break;
 107         case NAME_DISTRIBUTOR:
 108                 tipc_printf(buf, "NMD::");
 109                 switch (msg_type(msg)) {
 110                 case PUBLICATION:
 111                         tipc_printf(buf, "PUBL(%u):", (msg_size(msg) - msg_hdr_sz(msg)) / 20);  /* Items */
 112                         break;
 113                 case WITHDRAWAL:
 114                         tipc_printf(buf, "WDRW:");
 115                         break;
 116                 default:
 117                         tipc_printf(buf, "UNKNOWN:%x",msg_type(msg));
 118                 }
 119                 if (msg_routed(msg))
 120                         tipc_printf(buf, "ROUT:");
 121                 if (msg_reroute_cnt(msg))
 122                         tipc_printf(buf, "REROUTED(%u):",
 123                                     msg_reroute_cnt(msg));
 124                 break;
 125         case CONN_MANAGER:
 126                 tipc_printf(buf, "CONN_MNG:");
 127                 switch (msg_type(msg)) {
 128                 case CONN_PROBE:
 129                         tipc_printf(buf, "PROBE:");
 130                         break;
 131                 case CONN_PROBE_REPLY:
 132                         tipc_printf(buf, "PROBE_REPLY:");
 133                         break;
 134                 case CONN_ACK:
 135                         tipc_printf(buf, "CONN_ACK:");
 136                         tipc_printf(buf, "ACK(%u):",msg_msgcnt(msg));
 137                         break;
 138                 default:
 139                         tipc_printf(buf, "UNKNOWN TYPE:%x",msg_type(msg));
 140                 }
 141                 if (msg_routed(msg))
 142                         tipc_printf(buf, "ROUT:");
 143                 if (msg_reroute_cnt(msg))
 144                         tipc_printf(buf, "REROUTED(%u):",msg_reroute_cnt(msg));
 145                 break;
 146         case LINK_PROTOCOL:
 147                 tipc_printf(buf, "PROT:TIM(%u):",msg_timestamp(msg));
 148                 switch (msg_type(msg)) {
 149                 case STATE_MSG:
 150                         tipc_printf(buf, "STATE:");
 151                         tipc_printf(buf, "%s:",msg_probe(msg) ? "PRB" :"");
 152                         tipc_printf(buf, "NXS(%u):",msg_next_sent(msg));
 153                         tipc_printf(buf, "GAP(%u):",msg_seq_gap(msg));
 154                         tipc_printf(buf, "LSTBC(%u):",msg_last_bcast(msg));
 155                         break;
 156                 case RESET_MSG:
 157                         tipc_printf(buf, "RESET:");
 158                         if (msg_size(msg) != msg_hdr_sz(msg))
 159                                 tipc_printf(buf, "BEAR:%s:",msg_data(msg));
 160                         break;
 161                 case ACTIVATE_MSG:
 162                         tipc_printf(buf, "ACTIVATE:");
 163                         break;
 164                 default:
 165                         tipc_printf(buf, "UNKNOWN TYPE:%x",msg_type(msg));
 166                 }
 167                 tipc_printf(buf, "PLANE(%c):",msg_net_plane(msg));
 168                 tipc_printf(buf, "SESS(%u):",msg_session(msg));
 169                 break;
 170         case CHANGEOVER_PROTOCOL:
 171                 tipc_printf(buf, "TUNL:");
 172                 switch (msg_type(msg)) {
 173                 case DUPLICATE_MSG:
 174                         tipc_printf(buf, "DUPL:");
 175                         break;
 176                 case ORIGINAL_MSG:
 177                         tipc_printf(buf, "ORIG:");
 178                         tipc_printf(buf, "EXP(%u)",msg_msgcnt(msg));
 179                         break;
 180                 default:
 181                         tipc_printf(buf, "UNKNOWN TYPE:%x",msg_type(msg));
 182                 }
 183                 break;
 184         case ROUTE_DISTRIBUTOR:
 185                 tipc_printf(buf, "ROUTING_MNG:");
 186                 switch (msg_type(msg)) {
 187                 case EXT_ROUTING_TABLE:
 188                         tipc_printf(buf, "EXT_TBL:");
 189                         tipc_printf(buf, "TO:%x:",msg_remote_node(msg));
 190                         break;
 191                 case LOCAL_ROUTING_TABLE:
 192                         tipc_printf(buf, "LOCAL_TBL:");
 193                         tipc_printf(buf, "TO:%x:",msg_remote_node(msg));
 194                         break;
 195                 case SLAVE_ROUTING_TABLE:
 196                         tipc_printf(buf, "DP_TBL:");
 197                         tipc_printf(buf, "TO:%x:",msg_remote_node(msg));
 198                         break;
 199                 case ROUTE_ADDITION:
 200                         tipc_printf(buf, "ADD:");
 201                         tipc_printf(buf, "TO:%x:",msg_remote_node(msg));
 202                         break;
 203                 case ROUTE_REMOVAL:
 204                         tipc_printf(buf, "REMOVE:");
 205                         tipc_printf(buf, "TO:%x:",msg_remote_node(msg));
 206                         break;
 207                 default:
 208                         tipc_printf(buf, "UNKNOWN TYPE:%x",msg_type(msg));
 209                 }
 210                 break;
 211         case LINK_CONFIG:
 212                 tipc_printf(buf, "CFG:");
 213                 switch (msg_type(msg)) {
 214                 case DSC_REQ_MSG:
 215                         tipc_printf(buf, "DSC_REQ:");
 216                         break;
 217                 case DSC_RESP_MSG:
 218                         tipc_printf(buf, "DSC_RESP:");
 219                         break;
 220                 default:
 221                         tipc_printf(buf, "UNKNOWN TYPE:%x:",msg_type(msg));
 222                         break;
 223                 }
 224                 break;
 225         default:
 226                 tipc_printf(buf, "UNKNOWN USER:");
 227         }
 228
 229         switch (usr) {
 230         case CONN_MANAGER:
 231         case NAME_DISTRIBUTOR:
 232         case DATA_LOW:
 233         case DATA_MEDIUM:
 234         case DATA_HIGH:
 235         case DATA_CRITICAL:
 236                 if (msg_short(msg))
 237                         break;  /* No error */
 238                 switch (msg_errcode(msg)) {
 239                 case TIPC_OK:
 240                         break;
 241                 case TIPC_ERR_NO_NAME:
 242                         tipc_printf(buf, "NO_NAME:");
 243                         break;
 244                 case TIPC_ERR_NO_PORT:
 245                         tipc_printf(buf, "NO_PORT:");
 246                         break;
 247                 case TIPC_ERR_NO_NODE:
 248                         tipc_printf(buf, "NO_PROC:");
 249                         break;
 250                 case TIPC_ERR_OVERLOAD:
 251                         tipc_printf(buf, "OVERLOAD:");
 252                         break;
 253                 case TIPC_CONN_SHUTDOWN:
 254                         tipc_printf(buf, "SHUTDOWN:");
 255                         break;
 256                 default:
 257                         tipc_printf(buf, "UNKNOWN ERROR(%x):",
 258                                     msg_errcode(msg));
 259                 }
 260         default:{}
 261         }
 262
 263         tipc_printf(buf, "HZ(%u):", msg_hdr_sz(msg));
 264         tipc_printf(buf, "SZ(%u):", msg_size(msg));
 265         tipc_printf(buf, "SQNO(%u):", msg_seqno(msg));
 266
 267         if (msg_non_seq(msg))
 268                 tipc_printf(buf, "NOSEQ:");
 269         else {
 270                 tipc_printf(buf, "ACK(%u):", msg_ack(msg));
 271         }
 272         tipc_printf(buf, "BACK(%u):", msg_bcast_ack(msg));
 273         tipc_printf(buf, "PRND(%x)", msg_prevnode(msg));
 274
 275         if (msg_isdata(msg)) {
 276                 if (msg_named(msg)) {
 277                         tipc_printf(buf, "NTYP(%u):", msg_nametype(msg));
 278                         tipc_printf(buf, "NINST(%u)", msg_nameinst(msg));
 279                 }
 280         }
 281
 282         if ((usr != LINK_PROTOCOL) && (usr != LINK_CONFIG) &&
 283             (usr != MSG_BUNDLER)) {
 284                 if (!msg_short(msg)) {
 285                         tipc_printf(buf, ":ORIG(%x:%u):",
 286                                     msg_orignode(msg), msg_origport(msg));
 287                         tipc_printf(buf, ":DEST(%x:%u):",
 288                                     msg_destnode(msg), msg_destport(msg));
 289                 } else {
 290                         tipc_printf(buf, ":OPRT(%u):", msg_origport(msg));
 291                         tipc_printf(buf, ":DPRT(%u):", msg_destport(msg));
 292                 }
 293                 if (msg_routed(msg) && !msg_non_seq(msg))
 294                         tipc_printf(buf, ":TSEQN(%u)", msg_transp_seqno(msg));
 295         }
 296         if (msg_user(msg) == NAME_DISTRIBUTOR) {
 297                 tipc_printf(buf, ":ONOD(%x):", msg_orignode(msg));
 298                 tipc_printf(buf, ":DNOD(%x):", msg_destnode(msg));
 299                 if (msg_routed(msg)) {
 300                         tipc_printf(buf, ":CSEQN(%u)", msg_transp_seqno(msg));
 301                 }
 302         }
 303
 304         if (msg_user(msg) ==  LINK_CONFIG) {
 305                 u32* raw = (u32*)msg;
 306                 struct tipc_media_addr* orig = (struct tipc_media_addr*)&raw[5];
 307                 tipc_printf(buf, ":REQL(%u):", msg_req_links(msg));
 308                 tipc_printf(buf, ":DDOM(%x):", msg_dest_domain(msg));
 309                 tipc_printf(buf, ":NETID(%u):", msg_bc_netid(msg));
 310                 tipc_media_addr_printf(buf, orig);
 311         }
 312         if (msg_user(msg) == BCAST_PROTOCOL) {
 313                 tipc_printf(buf, "BCNACK:AFTER(%u):", msg_bcgap_after(msg));
 314                 tipc_printf(buf, "TO(%u):", msg_bcgap_to(msg));
 315         }
 316         tipc_printf(buf, "\n");
 317         if ((usr == CHANGEOVER_PROTOCOL) && (msg_msgcnt(msg))) {
 318                 tipc_msg_print(buf,msg_get_wrapped(msg),"      /");
 319         }
 320         if ((usr == MSG_FRAGMENTER) && (msg_type(msg) == FIRST_FRAGMENT)) {
 321                 tipc_msg_print(buf,msg_get_wrapped(msg),"      /");
 322         }
 323 }