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 __FBSDID("$FreeBSD$"); 33 34 #include <sys/param.h> 35 #include <sys/types.h> 36 #include <sys/socket.h> 37 #include <sys/sysctl.h> 38 39 #include <netinet/sctp.h> 40 41 #include <stdlib.h> 42 #include <string.h> 43 44 #include "systat.h" 45 #include "extern.h" 46 #include "mode.h" 47 48 static struct sctpstat curstat, initstat, oldstat; 49 50 /*- 51 --0 1 2 3 4 5 6 7 52 --0123456789012345678901234567890123456789012345678901234567890123456789012345 53 00 SCTP Associations SCTP Packets 54 01999999999999 associations initiated 999999999999 packets sent 55 02999999999999 associations accepted 999999999999 packets received 56 03999999999999 associations established 999999999999 - out of the blue 57 04999999999999 associations restarted 999999999999 - bad vtag 58 05999999999999 associations terminated 999999999999 - bad crc32c 59 06999999999999 associations aborted 60 07 61 08 SCTP Timers SCTP Chunks 62 09999999999999 init timeouts 999999999999 control chunks sent 63 10999999999999 cookie timeouts 999999999999 data chunks sent 64 11999999999999 data timeouts 999999999999 - ordered 65 12999999999999 delayed sack timeouts 999999999999 - unordered 66 13999999999999 shutdown timeouts 999999999999 control chunks received 67 14999999999999 shutdown-ack timeouts 999999999999 data chunks received 68 15999999999999 shutdown guard timeouts 999999999999 - ordered 69 16999999999999 heartbeat timeouts 999999999999 - unordered 70 17999999999999 path MTU timeouts 71 18999999999999 autoclose timeouts SCTP user messages 72 19999999999999 asconf timeouts 999999999999 fragmented 73 20999999999999 stream reset timeouts 999999999999 reassembled 74 --0123456789012345678901234567890123456789012345678901234567890123456789012345 75 --0 1 2 3 4 5 6 7 76 */ 77 78 WINDOW * 79 opensctp(void) 80 { 81 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 82 } 83 84 void 85 closesctp(WINDOW *w) 86 { 87 if (w != NULL) { 88 wclear(w); 89 wrefresh(w); 90 delwin(w); 91 } 92 } 93 94 void 95 labelsctp(void) 96 { 97 wmove(wnd, 0, 0); wclrtoeol(wnd); 98 #define L(row, str) mvwprintw(wnd, row, 13, str) 99 #define R(row, str) mvwprintw(wnd, row, 51, str); 100 L(0, "SCTP Associations"); R(0, "SCTP Packets"); 101 L(1, "associations initiated"); R(1, "packets sent"); 102 L(2, "associations accepted"); R(2, "packets received"); 103 L(3, "associations established"); R(3, "- out of the blue"); 104 L(4, "associations restarted"); R(4, "- bad vtag"); 105 L(5, "associations terminated"); R(5, "- bad crc32c"); 106 L(6, "associations aborted"); 107 108 L(8, "SCTP Timers"); R(8, "SCTP Chunks"); 109 L(9, "init timeouts"); R(9, "control chunks sent"); 110 L(10, "cookie timeouts"); R(10, "data chunks sent"); 111 L(11, "data timeouts"); R(11, "- ordered"); 112 L(12, "delayed sack timeouts"); R(12, "- unordered"); 113 L(13, "shutdown timeouts"); R(13, "control chunks received"); 114 L(14, "shutdown-ack timeouts"); R(14, "data chunks received"); 115 L(15, "shutdown guard timeouts"); R(15, "- ordered"); 116 L(16, "heartbeat timeouts"); R(16, "- unordered"); 117 L(17, "path MTU timeouts"); 118 L(18, "autoclose timeouts"); R(18, "SCTP User Messages"); 119 L(19, "asconf timeouts"); R(19, "fragmented"); 120 L(20, "stream reset timeouts"); R(20, "reassembled"); 121 #undef L 122 #undef R 123 } 124 125 static void 126 domode(struct sctpstat *ret) 127 { 128 const struct sctpstat *sub; 129 int divisor = 1; 130 131 switch(currentmode) { 132 case display_RATE: 133 sub = &oldstat; 134 divisor = (delay > 1000000) ? delay / 1000000 : 1; 135 break; 136 case display_DELTA: 137 sub = &oldstat; 138 break; 139 case display_SINCE: 140 sub = &initstat; 141 break; 142 default: 143 *ret = curstat; 144 return; 145 } 146 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 147 DO(sctps_currestab); 148 DO(sctps_activeestab); 149 DO(sctps_restartestab); 150 DO(sctps_collisionestab); 151 DO(sctps_passiveestab); 152 DO(sctps_aborted); 153 DO(sctps_shutdown); 154 DO(sctps_outoftheblue); 155 DO(sctps_checksumerrors); 156 DO(sctps_outcontrolchunks); 157 DO(sctps_outorderchunks); 158 DO(sctps_outunorderchunks); 159 DO(sctps_incontrolchunks); 160 DO(sctps_inorderchunks); 161 DO(sctps_inunorderchunks); 162 DO(sctps_fragusrmsgs); 163 DO(sctps_reasmusrmsgs); 164 DO(sctps_outpackets); 165 DO(sctps_inpackets); 166 167 DO(sctps_recvpackets); 168 DO(sctps_recvdatagrams); 169 DO(sctps_recvpktwithdata); 170 DO(sctps_recvsacks); 171 DO(sctps_recvdata); 172 DO(sctps_recvdupdata); 173 DO(sctps_recvheartbeat); 174 DO(sctps_recvheartbeatack); 175 DO(sctps_recvecne); 176 DO(sctps_recvauth); 177 DO(sctps_recvauthmissing); 178 DO(sctps_recvivalhmacid); 179 DO(sctps_recvivalkeyid); 180 DO(sctps_recvauthfailed); 181 DO(sctps_recvexpress); 182 DO(sctps_recvexpressm); 183 DO(sctps_recvnocrc); 184 DO(sctps_recvswcrc); 185 DO(sctps_recvhwcrc); 186 187 DO(sctps_sendpackets); 188 DO(sctps_sendsacks); 189 DO(sctps_senddata); 190 DO(sctps_sendretransdata); 191 DO(sctps_sendfastretrans); 192 DO(sctps_sendmultfastretrans); 193 DO(sctps_sendheartbeat); 194 DO(sctps_sendecne); 195 DO(sctps_sendauth); 196 DO(sctps_senderrors); 197 DO(sctps_sendnocrc); 198 DO(sctps_sendswcrc); 199 DO(sctps_sendhwcrc); 200 201 DO(sctps_pdrpfmbox); 202 DO(sctps_pdrpfehos); 203 DO(sctps_pdrpmbda); 204 DO(sctps_pdrpmbct); 205 DO(sctps_pdrpbwrpt); 206 DO(sctps_pdrpcrupt); 207 DO(sctps_pdrpnedat); 208 DO(sctps_pdrppdbrk); 209 DO(sctps_pdrptsnnf); 210 DO(sctps_pdrpdnfnd); 211 DO(sctps_pdrpdiwnp); 212 DO(sctps_pdrpdizrw); 213 DO(sctps_pdrpbadd); 214 DO(sctps_pdrpmark); 215 216 DO(sctps_timoiterator); 217 DO(sctps_timodata); 218 DO(sctps_timowindowprobe); 219 DO(sctps_timoinit); 220 DO(sctps_timosack); 221 DO(sctps_timoshutdown); 222 DO(sctps_timoheartbeat); 223 DO(sctps_timocookie); 224 DO(sctps_timosecret); 225 DO(sctps_timopathmtu); 226 DO(sctps_timoshutdownack); 227 DO(sctps_timoshutdownguard); 228 DO(sctps_timostrmrst); 229 DO(sctps_timoearlyfr); 230 DO(sctps_timoasconf); 231 DO(sctps_timodelprim); 232 DO(sctps_timoautoclose); 233 DO(sctps_timoassockill); 234 DO(sctps_timoinpkill); 235 236 DO(sctps_hdrops); 237 DO(sctps_badsum); 238 DO(sctps_noport); 239 DO(sctps_badvtag); 240 DO(sctps_badsid); 241 DO(sctps_nomem); 242 DO(sctps_fastretransinrtt); 243 DO(sctps_markedretrans); 244 DO(sctps_naglesent); 245 DO(sctps_naglequeued); 246 DO(sctps_maxburstqueued); 247 DO(sctps_ifnomemqueued); 248 DO(sctps_windowprobed); 249 DO(sctps_lowlevelerr); 250 DO(sctps_lowlevelerrusr); 251 DO(sctps_datadropchklmt); 252 DO(sctps_datadroprwnd); 253 DO(sctps_ecnereducedcwnd); 254 DO(sctps_vtagexpress); 255 DO(sctps_vtagbogus); 256 DO(sctps_primary_randry); 257 DO(sctps_cmt_randry); 258 DO(sctps_slowpath_sack); 259 DO(sctps_wu_sacks_sent); 260 DO(sctps_sends_with_flags); 261 DO(sctps_sends_with_unord); 262 DO(sctps_sends_with_eof); 263 DO(sctps_sends_with_abort); 264 DO(sctps_protocol_drain_calls); 265 DO(sctps_protocol_drains_done); 266 DO(sctps_read_peeks); 267 DO(sctps_cached_chk); 268 DO(sctps_cached_strmoq); 269 DO(sctps_left_abandon); 270 DO(sctps_send_burst_avoid); 271 DO(sctps_send_cwnd_avoid); 272 DO(sctps_fwdtsn_map_over); 273 DO(sctps_queue_upd_ecne); 274 #undef DO 275 } 276 277 void 278 showsctp(void) 279 { 280 struct sctpstat stats; 281 282 memset(&stats, 0, sizeof stats); 283 domode(&stats); 284 285 #define DO(stat, row, col) \ 286 mvwprintw(wnd, row, col, "%12lu", stats.stat) 287 #define L(row, stat) DO(stat, row, 0) 288 #define R(row, stat) DO(stat, row, 38) 289 L(1, sctps_activeestab); R(1, sctps_outpackets); 290 L(2, sctps_passiveestab); R(2, sctps_inpackets); 291 L(3, sctps_currestab); R(3, sctps_outoftheblue); 292 L(4, sctps_restartestab); R(4, sctps_badvtag); 293 L(5, sctps_shutdown); R(5, sctps_checksumerrors); 294 L(6, sctps_aborted); 295 296 297 L(9, sctps_timoinit); R(9, sctps_outcontrolchunks); 298 L(10, sctps_timocookie); R(10, sctps_senddata); 299 L(11, sctps_timodata); R(11, sctps_outorderchunks); 300 L(12, sctps_timosack); R(12, sctps_outunorderchunks); 301 L(13, sctps_timoshutdown); R(13, sctps_incontrolchunks); 302 L(14, sctps_timoshutdownack); R(14, sctps_recvdata); 303 L(15, sctps_timoshutdownguard); R(15, sctps_inorderchunks); 304 L(16, sctps_timoheartbeat); R(16, sctps_inunorderchunks); 305 L(17, sctps_timopathmtu); 306 L(18, sctps_timoautoclose); 307 L(19, sctps_timoasconf); R(19, sctps_fragusrmsgs); 308 L(20, sctps_timostrmrst); R(20, sctps_reasmusrmsgs); 309 #undef DO 310 #undef L 311 #undef R 312 } 313 314 int 315 initsctp(void) 316 { 317 size_t len; 318 const char *name = "net.inet.sctp.stats"; 319 320 len = 0; 321 if (sysctlbyname(name, NULL, &len, NULL, 0) < 0) { 322 error("sysctl getting sctpstat size failed"); 323 return 0; 324 } 325 if (len > sizeof curstat) { 326 error("sctpstat structure has grown--recompile systat!"); 327 return 0; 328 } 329 if (sysctlbyname(name, &initstat, &len, NULL, 0) < 0) { 330 error("sysctl getting sctpstat failed"); 331 return 0; 332 } 333 oldstat = initstat; 334 return 1; 335 } 336 337 void 338 resetsctp(void) 339 { 340 size_t len; 341 const char *name = "net.inet.sctp.stats"; 342 343 len = sizeof initstat; 344 if (sysctlbyname(name, &initstat, &len, NULL, 0) < 0) { 345 error("sysctl getting sctpstat failed"); 346 } 347 oldstat = initstat; 348 } 349 350 void 351 fetchsctp(void) 352 { 353 size_t len; 354 const char *name = "net.inet.sctp.stats"; 355 356 oldstat = curstat; 357 len = sizeof curstat; 358 if (sysctlbyname(name, &curstat, &len, NULL, 0) < 0) { 359 error("sysctl getting sctpstat failed"); 360 } 361 return; 362 } 363