1 /*- 2 * Copyright (c) 2015 3 * The Regents of the University of California. All rights reserved. 4 * Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 #include <sys/param.h> 33 #include <sys/types.h> 34 #include <sys/socket.h> 35 #include <sys/sysctl.h> 36 37 #include <netinet/sctp.h> 38 39 #include <stdlib.h> 40 #include <string.h> 41 42 #include "systat.h" 43 #include "extern.h" 44 #include "mode.h" 45 46 static struct sctpstat curstat, initstat, oldstat; 47 48 /*- 49 --0 1 2 3 4 5 6 7 50 --0123456789012345678901234567890123456789012345678901234567890123456789012345 51 00 SCTP Associations SCTP Packets 52 01999999999999 associations initiated 999999999999 packets sent 53 02999999999999 associations accepted 999999999999 packets received 54 03999999999999 associations restarted 999999999999 - out of the blue 55 04999999999999 associations terminated 999999999999 - bad vtag 56 05999999999999 associations aborted 999999999999 - bad crc32c 57 06 58 07 SCTP Timers SCTP Chunks 59 08999999999999 init timeouts 999999999999 control chunks sent 60 09999999999999 cookie timeouts 999999999999 data chunks sent 61 10999999999999 data timeouts 999999999999 - ordered 62 11999999999999 delayed sack timeouts 999999999999 - unordered 63 12999999999999 shutdown timeouts 999999999999 control chunks received 64 13999999999999 shutdown-ack timeouts 999999999999 data chunks received 65 14999999999999 shutdown guard timeouts 999999999999 - ordered 66 15999999999999 heartbeat timeouts 999999999999 - unordered 67 16999999999999 path MTU timeouts 68 17999999999999 autoclose timeouts SCTP user messages 69 18999999999999 asconf timeouts 999999999999 fragmented 70 19999999999999 stream reset timeouts 999999999999 reassembled 71 --0123456789012345678901234567890123456789012345678901234567890123456789012345 72 --0 1 2 3 4 5 6 7 73 */ 74 75 WINDOW * 76 opensctp(void) 77 { 78 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 79 } 80 81 void 82 closesctp(WINDOW *w) 83 { 84 if (w != NULL) { 85 wclear(w); 86 wrefresh(w); 87 delwin(w); 88 } 89 } 90 91 void 92 labelsctp(void) 93 { 94 wmove(wnd, 0, 0); wclrtoeol(wnd); 95 #define L(row, str) mvwprintw(wnd, row, 13, str) 96 #define R(row, str) mvwprintw(wnd, row, 51, str); 97 L(0, "SCTP Associations"); R(0, "SCTP Packets"); 98 L(1, "associations initiated"); R(1, "packets sent"); 99 L(2, "associations accepted"); R(2, "packets received"); 100 L(3, "associations restarted"); R(3, "- out of the blue"); 101 L(4, "associations terminated"); R(4, "- bad vtag"); 102 L(5, "associations aborted"); R(5, "- bad crc32c"); 103 104 L(7, "SCTP Timers"); R(7, "SCTP Chunks"); 105 L(8, "init timeouts"); R(8, "control chunks sent"); 106 L(9, "cookie timeouts"); R(9, "data chunks sent"); 107 L(10, "data timeouts"); R(10, "- ordered"); 108 L(11, "delayed sack timeouts"); R(11, "- unordered"); 109 L(12, "shutdown timeouts"); R(12, "control chunks received"); 110 L(13, "shutdown-ack timeouts"); R(13, "data chunks received"); 111 L(14, "shutdown guard timeouts"); R(14, "- ordered"); 112 L(15, "heartbeat timeouts"); R(15, "- unordered"); 113 L(16, "path MTU timeouts"); 114 L(17, "autoclose timeouts"); R(17, "SCTP User Messages"); 115 L(18, "asconf timeouts"); R(18, "fragmented"); 116 L(19, "stream reset timeouts"); R(19, "reassembled"); 117 #undef L 118 #undef R 119 } 120 121 static void 122 domode(struct sctpstat *ret) 123 { 124 const struct sctpstat *sub; 125 int divisor = 1; 126 127 switch(currentmode) { 128 case display_RATE: 129 sub = &oldstat; 130 divisor = (delay > 1000000) ? delay / 1000000 : 1; 131 break; 132 case display_DELTA: 133 sub = &oldstat; 134 break; 135 case display_SINCE: 136 sub = &initstat; 137 break; 138 default: 139 *ret = curstat; 140 return; 141 } 142 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 143 DO(sctps_currestab); 144 DO(sctps_activeestab); 145 DO(sctps_restartestab); 146 DO(sctps_collisionestab); 147 DO(sctps_passiveestab); 148 DO(sctps_aborted); 149 DO(sctps_shutdown); 150 DO(sctps_outoftheblue); 151 DO(sctps_checksumerrors); 152 DO(sctps_outcontrolchunks); 153 DO(sctps_outorderchunks); 154 DO(sctps_outunorderchunks); 155 DO(sctps_incontrolchunks); 156 DO(sctps_inorderchunks); 157 DO(sctps_inunorderchunks); 158 DO(sctps_fragusrmsgs); 159 DO(sctps_reasmusrmsgs); 160 DO(sctps_outpackets); 161 DO(sctps_inpackets); 162 163 DO(sctps_recvpackets); 164 DO(sctps_recvdatagrams); 165 DO(sctps_recvpktwithdata); 166 DO(sctps_recvsacks); 167 DO(sctps_recvdata); 168 DO(sctps_recvdupdata); 169 DO(sctps_recvheartbeat); 170 DO(sctps_recvheartbeatack); 171 DO(sctps_recvecne); 172 DO(sctps_recvauth); 173 DO(sctps_recvauthmissing); 174 DO(sctps_recvivalhmacid); 175 DO(sctps_recvivalkeyid); 176 DO(sctps_recvauthfailed); 177 DO(sctps_recvexpress); 178 DO(sctps_recvexpressm); 179 DO(sctps_recvswcrc); 180 DO(sctps_recvhwcrc); 181 182 DO(sctps_sendpackets); 183 DO(sctps_sendsacks); 184 DO(sctps_senddata); 185 DO(sctps_sendretransdata); 186 DO(sctps_sendfastretrans); 187 DO(sctps_sendmultfastretrans); 188 DO(sctps_sendheartbeat); 189 DO(sctps_sendecne); 190 DO(sctps_sendauth); 191 DO(sctps_senderrors); 192 DO(sctps_sendswcrc); 193 DO(sctps_sendhwcrc); 194 195 DO(sctps_pdrpfmbox); 196 DO(sctps_pdrpfehos); 197 DO(sctps_pdrpmbda); 198 DO(sctps_pdrpmbct); 199 DO(sctps_pdrpbwrpt); 200 DO(sctps_pdrpcrupt); 201 DO(sctps_pdrpnedat); 202 DO(sctps_pdrppdbrk); 203 DO(sctps_pdrptsnnf); 204 DO(sctps_pdrpdnfnd); 205 DO(sctps_pdrpdiwnp); 206 DO(sctps_pdrpdizrw); 207 DO(sctps_pdrpbadd); 208 DO(sctps_pdrpmark); 209 210 DO(sctps_timoiterator); 211 DO(sctps_timodata); 212 DO(sctps_timowindowprobe); 213 DO(sctps_timoinit); 214 DO(sctps_timosack); 215 DO(sctps_timoshutdown); 216 DO(sctps_timoheartbeat); 217 DO(sctps_timocookie); 218 DO(sctps_timosecret); 219 DO(sctps_timopathmtu); 220 DO(sctps_timoshutdownack); 221 DO(sctps_timoshutdownguard); 222 DO(sctps_timostrmrst); 223 DO(sctps_timoearlyfr); 224 DO(sctps_timoasconf); 225 DO(sctps_timodelprim); 226 DO(sctps_timoautoclose); 227 DO(sctps_timoassockill); 228 DO(sctps_timoinpkill); 229 230 DO(sctps_hdrops); 231 DO(sctps_badsum); 232 DO(sctps_noport); 233 DO(sctps_badvtag); 234 DO(sctps_badsid); 235 DO(sctps_nomem); 236 DO(sctps_fastretransinrtt); 237 DO(sctps_markedretrans); 238 DO(sctps_naglesent); 239 DO(sctps_naglequeued); 240 DO(sctps_maxburstqueued); 241 DO(sctps_ifnomemqueued); 242 DO(sctps_windowprobed); 243 DO(sctps_lowlevelerr); 244 DO(sctps_lowlevelerrusr); 245 DO(sctps_datadropchklmt); 246 DO(sctps_datadroprwnd); 247 DO(sctps_ecnereducedcwnd); 248 DO(sctps_vtagexpress); 249 DO(sctps_vtagbogus); 250 DO(sctps_primary_randry); 251 DO(sctps_cmt_randry); 252 DO(sctps_slowpath_sack); 253 DO(sctps_wu_sacks_sent); 254 DO(sctps_sends_with_flags); 255 DO(sctps_sends_with_unord); 256 DO(sctps_sends_with_eof); 257 DO(sctps_sends_with_abort); 258 DO(sctps_protocol_drain_calls); 259 DO(sctps_protocol_drains_done); 260 DO(sctps_read_peeks); 261 DO(sctps_cached_chk); 262 DO(sctps_cached_strmoq); 263 DO(sctps_left_abandon); 264 DO(sctps_send_burst_avoid); 265 DO(sctps_send_cwnd_avoid); 266 DO(sctps_fwdtsn_map_over); 267 DO(sctps_queue_upd_ecne); 268 #undef DO 269 } 270 271 void 272 showsctp(void) 273 { 274 struct sctpstat stats; 275 276 memset(&stats, 0, sizeof stats); 277 domode(&stats); 278 279 #define DO(stat, row, col) \ 280 mvwprintw(wnd, row, col, "%12lu", stats.stat) 281 #define L(row, stat) DO(stat, row, 0) 282 #define R(row, stat) DO(stat, row, 38) 283 L(1, sctps_activeestab); R(1, sctps_outpackets); 284 L(2, sctps_passiveestab); R(2, sctps_inpackets); 285 L(3, sctps_restartestab); R(3, sctps_outoftheblue); 286 L(4, sctps_shutdown); R(4, sctps_badvtag); 287 L(5, sctps_aborted); R(5, sctps_checksumerrors); 288 289 290 L(8, sctps_timoinit); R(8, sctps_outcontrolchunks); 291 L(9, sctps_timocookie); R(9, sctps_senddata); 292 L(10, sctps_timodata); R(10, sctps_outorderchunks); 293 L(11, sctps_timosack); R(11, sctps_outunorderchunks); 294 L(12, sctps_timoshutdown); R(12, sctps_incontrolchunks); 295 L(13, sctps_timoshutdownack); R(13, sctps_recvdata); 296 L(14, sctps_timoshutdownguard); R(14, sctps_inorderchunks); 297 L(15, sctps_timoheartbeat); R(15, sctps_inunorderchunks); 298 L(16, sctps_timopathmtu); 299 L(17, sctps_timoautoclose); 300 L(18, sctps_timoasconf); R(18, sctps_fragusrmsgs); 301 L(19, sctps_timostrmrst); R(19, sctps_reasmusrmsgs); 302 #undef DO 303 #undef L 304 #undef R 305 } 306 307 int 308 initsctp(void) 309 { 310 size_t len; 311 const char *name = "net.inet.sctp.stats"; 312 313 len = 0; 314 if (sysctlbyname(name, NULL, &len, NULL, 0) < 0) { 315 error("sysctl getting sctpstat size failed"); 316 return 0; 317 } 318 if (len > sizeof curstat) { 319 error("sctpstat structure has grown--recompile systat!"); 320 return 0; 321 } 322 if (sysctlbyname(name, &initstat, &len, NULL, 0) < 0) { 323 error("sysctl getting sctpstat failed"); 324 return 0; 325 } 326 oldstat = initstat; 327 return 1; 328 } 329 330 void 331 resetsctp(void) 332 { 333 size_t len; 334 const char *name = "net.inet.sctp.stats"; 335 336 len = sizeof initstat; 337 if (sysctlbyname(name, &initstat, &len, NULL, 0) < 0) { 338 error("sysctl getting sctpstat failed"); 339 } 340 oldstat = initstat; 341 } 342 343 void 344 fetchsctp(void) 345 { 346 size_t len; 347 const char *name = "net.inet.sctp.stats"; 348 349 oldstat = curstat; 350 len = sizeof curstat; 351 if (sysctlbyname(name, &curstat, &len, NULL, 0) < 0) { 352 error("sysctl getting sctpstat failed"); 353 } 354 return; 355 } 356