src/proc_net_netstat.c

   1 #include "common.h"
   2
   3 static void parse_line_pair(procfile *ff, ARL_BASE *base, size_t header_line, size_t values_line) {
   4     size_t hwords = procfile_linewords(ff, header_line);
   5     size_t vwords = procfile_linewords(ff, values_line);
   6     size_t w;
   7
   8     if(unlikely(vwords > hwords)) {
   9         error("File /proc/net/netstat on header line %zu has %zu words, but on value line %zu has %zu words.", header_line, hwords, values_line, vwords);
  10         vwords = hwords;
  11     }
  12
  13     for(w = 1; w < vwords ;w++) {
  14         if(unlikely(arl_check(base, procfile_lineword(ff, header_line, w), procfile_lineword(ff, values_line, w))))
  15             break;
  16     }
  17 }
  18
  19 int do_proc_net_netstat(int update_every, usec_t dt) {
  20     (void)dt;
  21
  22     static int do_bandwidth = -1, do_inerrors = -1, do_mcast = -1, do_bcast = -1, do_mcast_p = -1, do_bcast_p = -1, do_ecn = -1, \
  23         do_tcpext_reorder = -1, do_tcpext_syscookies = -1, do_tcpext_ofo = -1, do_tcpext_connaborts = -1, do_tcpext_memory = -1;
  24     static uint32_t hash_ipext = 0, hash_tcpext = 0;
  25     static procfile *ff = NULL;
  26
  27     static ARL_BASE *arl_tcpext = NULL;
  28     static ARL_BASE *arl_ipext = NULL;
  29
  30     // --------------------------------------------------------------------
  31     // IPv4
  32
  33     // IPv4 bandwidth
  34     static unsigned long long ipext_InOctets = 0;
  35     static unsigned long long ipext_OutOctets = 0;
  36
  37     // IPv4 input errors
  38     static unsigned long long ipext_InNoRoutes = 0;
  39     static unsigned long long ipext_InTruncatedPkts = 0;
  40     static unsigned long long ipext_InCsumErrors = 0;
  41
  42     // IPv4 multicast bandwidth
  43     static unsigned long long ipext_InMcastOctets = 0;
  44     static unsigned long long ipext_OutMcastOctets = 0;
  45
  46     // IPv4 multicast packets
  47     static unsigned long long ipext_InMcastPkts = 0;
  48     static unsigned long long ipext_OutMcastPkts = 0;
  49
  50     // IPv4 broadcast bandwidth
  51     static unsigned long long ipext_InBcastOctets = 0;
  52     static unsigned long long ipext_OutBcastOctets = 0;
  53
  54     // IPv4 broadcast packets
  55     static unsigned long long ipext_InBcastPkts = 0;
  56     static unsigned long long ipext_OutBcastPkts = 0;
  57
  58     // IPv4 ECN
  59     static unsigned long long ipext_InNoECTPkts = 0;
  60     static unsigned long long ipext_InECT1Pkts = 0;
  61     static unsigned long long ipext_InECT0Pkts = 0;
  62     static unsigned long long ipext_InCEPkts = 0;
  63
  64     // --------------------------------------------------------------------
  65     // IPv4 TCP
  66
  67     // IPv4 TCP Reordering
  68     static unsigned long long tcpext_TCPRenoReorder = 0;
  69     static unsigned long long tcpext_TCPFACKReorder = 0;
  70     static unsigned long long tcpext_TCPSACKReorder = 0;
  71     static unsigned long long tcpext_TCPTSReorder = 0;
  72
  73     // IPv4 TCP SYN Cookies
  74     static unsigned long long tcpext_SyncookiesSent = 0;
  75     static unsigned long long tcpext_SyncookiesRecv = 0;
  76     static unsigned long long tcpext_SyncookiesFailed = 0;
  77
  78     // IPv4 TCP Out Of Order Queue
  79     // http://www.spinics.net/lists/netdev/msg204696.html
  80     static unsigned long long tcpext_TCPOFOQueue = 0; // Number of packets queued in OFO queue
  81     static unsigned long long tcpext_TCPOFODrop = 0;  // Number of packets meant to be queued in OFO but dropped because socket rcvbuf limit hit.
  82     static unsigned long long tcpext_TCPOFOMerge = 0; // Number of packets in OFO that were merged with other packets.
  83     static unsigned long long tcpext_OfoPruned = 0;   // packets dropped from out-of-order queue because of socket buffer overrun
  84
  85     // IPv4 TCP connection resets
  86     // https://github.com/ecki/net-tools/blob/bd8bceaed2311651710331a7f8990c3e31be9840/statistics.c
  87     static unsigned long long tcpext_TCPAbortOnData = 0;    // connections reset due to unexpected data
  88     static unsigned long long tcpext_TCPAbortOnClose = 0;   // connections reset due to early user close
  89     static unsigned long long tcpext_TCPAbortOnMemory = 0;  // connections aborted due to memory pressure
  90     static unsigned long long tcpext_TCPAbortOnTimeout = 0; // connections aborted due to timeout
  91     static unsigned long long tcpext_TCPAbortOnLinger = 0;  // connections aborted after user close in linger timeout
  92     static unsigned long long tcpext_TCPAbortFailed = 0;    // times unable to send RST due to no memory
  93
  94     // IPv4 TCP memory pressures
  95     static unsigned long long tcpext_TCPMemoryPressures = 0;
  96
  97     if(unlikely(!arl_ipext)) {
  98         hash_ipext = simple_hash("IpExt");
  99         hash_tcpext = simple_hash("TcpExt");
 100
 101         do_bandwidth = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "bandwidth", CONFIG_ONDEMAND_ONDEMAND);
 102         do_inerrors  = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "input errors", CONFIG_ONDEMAND_ONDEMAND);
 103         do_mcast     = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "multicast bandwidth", CONFIG_ONDEMAND_ONDEMAND);
 104         do_bcast     = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "broadcast bandwidth", CONFIG_ONDEMAND_ONDEMAND);
 105         do_mcast_p   = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "multicast packets", CONFIG_ONDEMAND_ONDEMAND);
 106         do_bcast_p   = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "broadcast packets", CONFIG_ONDEMAND_ONDEMAND);
 107         do_ecn       = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "ECN packets", CONFIG_ONDEMAND_ONDEMAND);
 108
 109         do_tcpext_reorder    = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP reorders", CONFIG_ONDEMAND_ONDEMAND);
 110         do_tcpext_syscookies = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP SYN cookies", CONFIG_ONDEMAND_ONDEMAND);
 111         do_tcpext_ofo        = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP out-of-order queue", CONFIG_ONDEMAND_ONDEMAND);
 112         do_tcpext_connaborts = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP connection aborts", CONFIG_ONDEMAND_ONDEMAND);
 113         do_tcpext_memory     = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP memory pressures", CONFIG_ONDEMAND_ONDEMAND);
 114
 115         arl_ipext  = arl_create(NULL, 60);
 116         arl_tcpext = arl_create(NULL, 60);
 117
 118         // --------------------------------------------------------------------
 119         // IPv4
 120
 121         if(do_bandwidth != CONFIG_ONDEMAND_NO) {
 122             arl_expect(arl_ipext, "InOctets",  &ipext_InOctets);
 123             arl_expect(arl_ipext, "OutOctets", &ipext_OutOctets);
 124         }
 125
 126         if(do_inerrors != CONFIG_ONDEMAND_NO) {
 127             arl_expect(arl_ipext, "InNoRoutes",      &ipext_InNoRoutes);
 128             arl_expect(arl_ipext, "InTruncatedPkts", &ipext_InTruncatedPkts);
 129             arl_expect(arl_ipext, "InCsumErrors",    &ipext_InCsumErrors);
 130         }
 131
 132         if(do_mcast != CONFIG_ONDEMAND_NO) {
 133             arl_expect(arl_ipext, "InMcastOctets", &ipext_InMcastOctets);
 134             arl_expect(arl_ipext, "OutMcastOctets", &ipext_OutMcastOctets);
 135         }
 136
 137         if(do_mcast_p != CONFIG_ONDEMAND_NO) {
 138             arl_expect(arl_ipext, "InMcastPkts",  &ipext_InMcastPkts);
 139             arl_expect(arl_ipext, "OutMcastPkts", &ipext_OutMcastPkts);
 140         }
 141
 142         if(do_bcast != CONFIG_ONDEMAND_NO) {
 143             arl_expect(arl_ipext, "InBcastPkts",  &ipext_InBcastPkts);
 144             arl_expect(arl_ipext, "OutBcastPkts", &ipext_OutBcastPkts);
 145         }
 146
 147         if(do_bcast_p != CONFIG_ONDEMAND_NO) {
 148             arl_expect(arl_ipext, "InBcastOctets",  &ipext_InBcastOctets);
 149             arl_expect(arl_ipext, "OutBcastOctets", &ipext_OutBcastOctets);
 150         }
 151
 152         if(do_ecn != CONFIG_ONDEMAND_NO) {
 153             arl_expect(arl_ipext, "InNoECTPkts", &ipext_InNoECTPkts);
 154             arl_expect(arl_ipext, "InECT1Pkts",  &ipext_InECT1Pkts);
 155             arl_expect(arl_ipext, "InECT0Pkts",  &ipext_InECT0Pkts);
 156             arl_expect(arl_ipext, "InCEPkts",    &ipext_InCEPkts);
 157         }
 158
 159         // --------------------------------------------------------------------
 160         // IPv4 TCP
 161
 162         if(do_tcpext_reorder != CONFIG_ONDEMAND_NO) {
 163             arl_expect(arl_tcpext, "TCPFACKReorder", &tcpext_TCPFACKReorder);
 164             arl_expect(arl_tcpext, "TCPSACKReorder", &tcpext_TCPSACKReorder);
 165             arl_expect(arl_tcpext, "TCPRenoReorder", &tcpext_TCPRenoReorder);
 166             arl_expect(arl_tcpext, "TCPTSReorder",   &tcpext_TCPTSReorder);
 167         }
 168
 169         if(do_tcpext_syscookies != CONFIG_ONDEMAND_NO) {
 170             arl_expect(arl_tcpext, "SyncookiesSent",   &tcpext_SyncookiesSent);
 171             arl_expect(arl_tcpext, "SyncookiesRecv",   &tcpext_SyncookiesRecv);
 172             arl_expect(arl_tcpext, "SyncookiesFailed", &tcpext_SyncookiesFailed);
 173         }
 174
 175         if(do_tcpext_ofo != CONFIG_ONDEMAND_NO) {
 176             arl_expect(arl_tcpext, "TCPOFOQueue", &tcpext_TCPOFOQueue);
 177             arl_expect(arl_tcpext, "TCPOFODrop",  &tcpext_TCPOFODrop);
 178             arl_expect(arl_tcpext, "TCPOFOMerge", &tcpext_TCPOFOMerge);
 179             arl_expect(arl_tcpext, "OfoPruned",   &tcpext_OfoPruned);
 180         }
 181
 182         if(do_tcpext_connaborts != CONFIG_ONDEMAND_NO) {
 183             arl_expect(arl_tcpext, "TCPAbortOnData",    &tcpext_TCPAbortOnData);
 184             arl_expect(arl_tcpext, "TCPAbortOnClose",   &tcpext_TCPAbortOnClose);
 185             arl_expect(arl_tcpext, "TCPAbortOnMemory",  &tcpext_TCPAbortOnMemory);
 186             arl_expect(arl_tcpext, "TCPAbortOnTimeout", &tcpext_TCPAbortOnTimeout);
 187             arl_expect(arl_tcpext, "TCPAbortOnLinger",  &tcpext_TCPAbortOnLinger);
 188             arl_expect(arl_tcpext, "TCPAbortFailed",    &tcpext_TCPAbortFailed);
 189         }
 190
 191         if(do_tcpext_memory != CONFIG_ONDEMAND_NO) {
 192             arl_expect(arl_tcpext, "TCPMemoryPressures", &tcpext_TCPMemoryPressures);
 193         }
 194     }
 195
 196     if(unlikely(!ff)) {
 197         char filename[FILENAME_MAX + 1];
 198         snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/netstat");
 199         ff = procfile_open(config_get("plugin:proc:/proc/net/netstat", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
 200         if(unlikely(!ff)) return 1;
 201     }
 202
 203     ff = procfile_readall(ff);
 204     if(unlikely(!ff)) return 0; // we return 0, so that we will retry to open it next time
 205
 206     size_t lines = procfile_lines(ff), l;
 207     size_t words;
 208
 209     for(l = 0; l < lines ;l++) {
 210         char *key = procfile_lineword(ff, l, 0);
 211         uint32_t hash = simple_hash(key);
 212
 213         if(unlikely(hash == hash_ipext && strcmp(key, "IpExt") == 0)) {
 214             size_t h = l++;
 215
 216             words = procfile_linewords(ff, l);
 217             if(unlikely(words < 2)) {
 218                 error("Cannot read /proc/net/netstat IpExt line. Expected 2+ params, read %zu.", words);
 219                 continue;
 220             }
 221
 222             arl_begin(arl_ipext);
 223             parse_line_pair(ff, arl_ipext, h, l);
 224
 225             RRDSET *st;
 226
 227             // --------------------------------------------------------------------
 228
 229             if(do_bandwidth == CONFIG_ONDEMAND_YES || (do_bandwidth == CONFIG_ONDEMAND_ONDEMAND && (ipext_InOctets || ipext_OutOctets))) {
 230                 do_bandwidth = CONFIG_ONDEMAND_YES;
 231                 st = rrdset_find("system.ipv4");
 232                 if(unlikely(!st)) {
 233                     st = rrdset_create("system", "ipv4", NULL, "network", NULL, "IPv4 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
 234
 235                     rrddim_add(st, "InOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
 236                     rrddim_add(st, "OutOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
 237                 }
 238                 else rrdset_next(st);
 239
 240                 rrddim_set(st, "InOctets", ipext_InOctets);
 241                 rrddim_set(st, "OutOctets", ipext_OutOctets);
 242                 rrdset_done(st);
 243             }
 244
 245             // --------------------------------------------------------------------
 246
 247             if(do_inerrors == CONFIG_ONDEMAND_YES || (do_inerrors == CONFIG_ONDEMAND_ONDEMAND && (ipext_InNoRoutes || ipext_InTruncatedPkts))) {
 248                 do_inerrors = CONFIG_ONDEMAND_YES;
 249                 st = rrdset_find("ipv4.inerrors");
 250                 if(unlikely(!st)) {
 251                     st = rrdset_create("ipv4", "inerrors", NULL, "errors", NULL, "IPv4 Input Errors", "packets/s", 4000, update_every, RRDSET_TYPE_LINE);
 252                     st->isdetail = 1;
 253
 254                     rrddim_add(st, "InNoRoutes", "noroutes", 1, 1, RRDDIM_INCREMENTAL);
 255                     rrddim_add(st, "InTruncatedPkts", "truncated", 1, 1, RRDDIM_INCREMENTAL);
 256                     rrddim_add(st, "InCsumErrors", "checksum", 1, 1, RRDDIM_INCREMENTAL);
 257                 }
 258                 else rrdset_next(st);
 259
 260                 rrddim_set(st, "InNoRoutes", ipext_InNoRoutes);
 261                 rrddim_set(st, "InTruncatedPkts", ipext_InTruncatedPkts);
 262                 rrddim_set(st, "InCsumErrors", ipext_InCsumErrors);
 263                 rrdset_done(st);
 264             }
 265
 266             // --------------------------------------------------------------------
 267
 268             if(do_mcast == CONFIG_ONDEMAND_YES || (do_mcast == CONFIG_ONDEMAND_ONDEMAND && (ipext_InMcastOctets || ipext_OutMcastOctets))) {
 269                 do_mcast = CONFIG_ONDEMAND_YES;
 270                 st = rrdset_find("ipv4.mcast");
 271                 if(unlikely(!st)) {
 272                     st = rrdset_create("ipv4", "mcast", NULL, "multicast", NULL, "IPv4 Multicast Bandwidth", "kilobits/s", 9000, update_every, RRDSET_TYPE_AREA);
 273                     st->isdetail = 1;
 274
 275                     rrddim_add(st, "InMcastOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
 276                     rrddim_add(st, "OutMcastOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
 277                 }
 278                 else rrdset_next(st);
 279
 280                 rrddim_set(st, "InMcastOctets", ipext_InMcastOctets);
 281                 rrddim_set(st, "OutMcastOctets", ipext_OutMcastOctets);
 282                 rrdset_done(st);
 283             }
 284
 285             // --------------------------------------------------------------------
 286
 287             if(do_bcast == CONFIG_ONDEMAND_YES || (do_bcast == CONFIG_ONDEMAND_ONDEMAND && (ipext_InBcastOctets || ipext_OutBcastOctets))) {
 288                 do_bcast = CONFIG_ONDEMAND_YES;
 289                 st = rrdset_find("ipv4.bcast");
 290                 if(unlikely(!st)) {
 291                     st = rrdset_create("ipv4", "bcast", NULL, "broadcast", NULL, "IPv4 Broadcast Bandwidth", "kilobits/s", 8000, update_every, RRDSET_TYPE_AREA);
 292                     st->isdetail = 1;
 293
 294                     rrddim_add(st, "InBcastOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
 295                     rrddim_add(st, "OutBcastOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
 296                 }
 297                 else rrdset_next(st);
 298
 299                 rrddim_set(st, "InBcastOctets", ipext_InBcastOctets);
 300                 rrddim_set(st, "OutBcastOctets", ipext_OutBcastOctets);
 301                 rrdset_done(st);
 302             }
 303
 304             // --------------------------------------------------------------------
 305
 306             if(do_mcast_p == CONFIG_ONDEMAND_YES || (do_mcast_p == CONFIG_ONDEMAND_ONDEMAND && (ipext_InMcastPkts || ipext_OutMcastPkts))) {
 307                 do_mcast_p = CONFIG_ONDEMAND_YES;
 308                 st = rrdset_find("ipv4.mcastpkts");
 309                 if(unlikely(!st)) {
 310                     st = rrdset_create("ipv4", "mcastpkts", NULL, "multicast", NULL, "IPv4 Multicast Packets", "packets/s", 8600, update_every, RRDSET_TYPE_LINE);
 311                     st->isdetail = 1;
 312
 313                     rrddim_add(st, "InMcastPkts", "received", 1, 1, RRDDIM_INCREMENTAL);
 314                     rrddim_add(st, "OutMcastPkts", "sent", -1, 1, RRDDIM_INCREMENTAL);
 315                 }
 316                 else rrdset_next(st);
 317
 318                 rrddim_set(st, "InMcastPkts", ipext_InMcastPkts);
 319                 rrddim_set(st, "OutMcastPkts", ipext_OutMcastPkts);
 320                 rrdset_done(st);
 321             }
 322
 323             // --------------------------------------------------------------------
 324
 325             if(do_bcast_p == CONFIG_ONDEMAND_YES || (do_bcast_p == CONFIG_ONDEMAND_ONDEMAND && (ipext_InBcastPkts || ipext_OutBcastPkts))) {
 326                 do_bcast_p = CONFIG_ONDEMAND_YES;
 327                 st = rrdset_find("ipv4.bcastpkts");
 328                 if(unlikely(!st)) {
 329                     st = rrdset_create("ipv4", "bcastpkts", NULL, "broadcast", NULL, "IPv4 Broadcast Packets", "packets/s", 8500, update_every, RRDSET_TYPE_LINE);
 330                     st->isdetail = 1;
 331
 332                     rrddim_add(st, "InBcastPkts", "received", 1, 1, RRDDIM_INCREMENTAL);
 333                     rrddim_add(st, "OutBcastPkts", "sent", -1, 1, RRDDIM_INCREMENTAL);
 334                 }
 335                 else rrdset_next(st);
 336
 337                 rrddim_set(st, "InBcastPkts", ipext_InBcastPkts);
 338                 rrddim_set(st, "OutBcastPkts", ipext_OutBcastPkts);
 339                 rrdset_done(st);
 340             }
 341
 342             // --------------------------------------------------------------------
 343
 344             if(do_ecn == CONFIG_ONDEMAND_YES || (do_ecn == CONFIG_ONDEMAND_ONDEMAND && (ipext_InCEPkts || ipext_InECT0Pkts || ipext_InECT1Pkts || ipext_InNoECTPkts))) {
 345                 do_ecn = CONFIG_ONDEMAND_YES;
 346                 st = rrdset_find("ipv4.ecnpkts");
 347                 if(unlikely(!st)) {
 348                     st = rrdset_create("ipv4", "ecnpkts", NULL, "ecn", NULL, "IPv4 ECN Statistics", "packets/s", 8700, update_every, RRDSET_TYPE_LINE);
 349                     st->isdetail = 1;
 350
 351                     rrddim_add(st, "InCEPkts", "CEP", 1, 1, RRDDIM_INCREMENTAL);
 352                     rrddim_add(st, "InNoECTPkts", "NoECTP", -1, 1, RRDDIM_INCREMENTAL);
 353                     rrddim_add(st, "InECT0Pkts", "ECTP0", 1, 1, RRDDIM_INCREMENTAL);
 354                     rrddim_add(st, "InECT1Pkts", "ECTP1", 1, 1, RRDDIM_INCREMENTAL);
 355                 }
 356                 else rrdset_next(st);
 357
 358                 rrddim_set(st, "InCEPkts", ipext_InCEPkts);
 359                 rrddim_set(st, "InNoECTPkts", ipext_InNoECTPkts);
 360                 rrddim_set(st, "InECT0Pkts", ipext_InECT0Pkts);
 361                 rrddim_set(st, "InECT1Pkts", ipext_InECT1Pkts);
 362                 rrdset_done(st);
 363             }
 364         }
 365         else if(unlikely(hash == hash_tcpext && strcmp(key, "TcpExt") == 0)) {
 366             size_t h = l++;
 367
 368             words = procfile_linewords(ff, l);
 369             if(unlikely(words < 2)) {
 370                 error("Cannot read /proc/net/netstat TcpExt line. Expected 2+ params, read %zu.", words);
 371                 continue;
 372             }
 373
 374             arl_begin(arl_tcpext);
 375             parse_line_pair(ff, arl_tcpext, h, l);
 376
 377             RRDSET *st;
 378
 379             // --------------------------------------------------------------------
 380
 381             if(do_tcpext_memory == CONFIG_ONDEMAND_YES || (do_tcpext_memory == CONFIG_ONDEMAND_ONDEMAND && (tcpext_TCPMemoryPressures))) {
 382                 do_tcpext_memory = CONFIG_ONDEMAND_YES;
 383                 st = rrdset_find("ipv4.tcpmemorypressures");
 384                 if(unlikely(!st)) {
 385                     st = rrdset_create("ipv4", "tcpmemorypressures", NULL, "tcp", NULL, "TCP Memory Pressures", "events/s", 3000, update_every, RRDSET_TYPE_LINE);
 386
 387                     rrddim_add(st, "TCPMemoryPressures",   "pressures",  1, 1, RRDDIM_INCREMENTAL);
 388                 }
 389                 else rrdset_next(st);
 390
 391                 rrddim_set(st, "TCPMemoryPressures", tcpext_TCPMemoryPressures);
 392                 rrdset_done(st);
 393             }
 394
 395             // --------------------------------------------------------------------
 396
 397             if(do_tcpext_connaborts == CONFIG_ONDEMAND_YES || (do_tcpext_connaborts == CONFIG_ONDEMAND_ONDEMAND && (tcpext_TCPAbortOnData || tcpext_TCPAbortOnClose || tcpext_TCPAbortOnMemory || tcpext_TCPAbortOnTimeout || tcpext_TCPAbortOnLinger || tcpext_TCPAbortFailed))) {
 398                 do_tcpext_connaborts = CONFIG_ONDEMAND_YES;
 399                 st = rrdset_find("ipv4.tcpconnaborts");
 400                 if(unlikely(!st)) {
 401                     st = rrdset_create("ipv4", "tcpconnaborts", NULL, "tcp", NULL, "TCP Connection Aborts", "connections/s", 3010, update_every, RRDSET_TYPE_LINE);
 402
 403                     rrddim_add(st, "TCPAbortOnData",    "baddata",     1, 1, RRDDIM_INCREMENTAL);
 404                     rrddim_add(st, "TCPAbortOnClose",   "userclosed",  1, 1, RRDDIM_INCREMENTAL);
 405                     rrddim_add(st, "TCPAbortOnMemory",  "nomemory",    1, 1, RRDDIM_INCREMENTAL);
 406                     rrddim_add(st, "TCPAbortOnTimeout", "timeout",     1, 1, RRDDIM_INCREMENTAL);
 407                     rrddim_add(st, "TCPAbortOnLinger",  "linger",      1, 1, RRDDIM_INCREMENTAL);
 408                     rrddim_add(st, "TCPAbortFailed",    "failed",     -1, 1, RRDDIM_INCREMENTAL);
 409                 }
 410                 else rrdset_next(st);
 411
 412                 rrddim_set(st, "TCPAbortOnData",    tcpext_TCPAbortOnData);
 413                 rrddim_set(st, "TCPAbortOnClose",   tcpext_TCPAbortOnClose);
 414                 rrddim_set(st, "TCPAbortOnMemory",  tcpext_TCPAbortOnMemory);
 415                 rrddim_set(st, "TCPAbortOnTimeout", tcpext_TCPAbortOnTimeout);
 416                 rrddim_set(st, "TCPAbortOnLinger",  tcpext_TCPAbortOnLinger);
 417                 rrddim_set(st, "TCPAbortFailed",    tcpext_TCPAbortFailed);
 418                 rrdset_done(st);
 419             }
 420             // --------------------------------------------------------------------
 421
 422             if(do_tcpext_reorder == CONFIG_ONDEMAND_YES || (do_tcpext_reorder == CONFIG_ONDEMAND_ONDEMAND && (tcpext_TCPRenoReorder || tcpext_TCPFACKReorder || tcpext_TCPSACKReorder || tcpext_TCPTSReorder))) {
 423                 do_tcpext_reorder = CONFIG_ONDEMAND_YES;
 424                 st = rrdset_find("ipv4.tcpreorders");
 425                 if(unlikely(!st)) {
 426                     st = rrdset_create("ipv4", "tcpreorders", NULL, "tcp", NULL, "TCP Reordered Packets by Detection Method", "packets/s", 3020, update_every, RRDSET_TYPE_LINE);
 427
 428                     rrddim_add(st, "TCPTSReorder",   "timestamp",   1, 1, RRDDIM_INCREMENTAL);
 429                     rrddim_add(st, "TCPSACKReorder", "sack",        1, 1, RRDDIM_INCREMENTAL);
 430                     rrddim_add(st, "TCPFACKReorder", "fack",        1, 1, RRDDIM_INCREMENTAL);
 431                     rrddim_add(st, "TCPRenoReorder", "reno",        1, 1, RRDDIM_INCREMENTAL);
 432                 }
 433                 else rrdset_next(st);
 434
 435                 rrddim_set(st, "TCPTSReorder",   tcpext_TCPTSReorder);
 436                 rrddim_set(st, "TCPSACKReorder", tcpext_TCPSACKReorder);
 437                 rrddim_set(st, "TCPFACKReorder", tcpext_TCPFACKReorder);
 438                 rrddim_set(st, "TCPRenoReorder", tcpext_TCPRenoReorder);
 439                 rrdset_done(st);
 440             }
 441
 442             // --------------------------------------------------------------------
 443
 444             if(do_tcpext_ofo == CONFIG_ONDEMAND_YES || (do_tcpext_ofo == CONFIG_ONDEMAND_ONDEMAND && (tcpext_TCPOFOQueue || tcpext_TCPOFODrop || tcpext_TCPOFOMerge))) {
 445                 do_tcpext_ofo = CONFIG_ONDEMAND_YES;
 446                 st = rrdset_find("ipv4.tcpofo");
 447                 if(unlikely(!st)) {
 448                     st = rrdset_create("ipv4", "tcpofo", NULL, "tcp", NULL, "TCP Out-Of-Order Queue", "packets/s", 3050, update_every, RRDSET_TYPE_LINE);
 449
 450                     rrddim_add(st, "TCPOFOQueue", "inqueue",  1, 1, RRDDIM_INCREMENTAL);
 451                     rrddim_add(st, "TCPOFODrop",  "dropped", -1, 1, RRDDIM_INCREMENTAL);
 452                     rrddim_add(st, "TCPOFOMerge", "merged",   1, 1, RRDDIM_INCREMENTAL);
 453                     rrddim_add(st, "OfoPruned",   "pruned",  -1, 1, RRDDIM_INCREMENTAL);
 454                 }
 455                 else rrdset_next(st);
 456
 457                 rrddim_set(st, "TCPOFOQueue",   tcpext_TCPOFOQueue);
 458                 rrddim_set(st, "TCPOFODrop",    tcpext_TCPOFODrop);
 459                 rrddim_set(st, "TCPOFOMerge",   tcpext_TCPOFOMerge);
 460                 rrddim_set(st, "OfoPruned",     tcpext_OfoPruned);
 461                 rrdset_done(st);
 462             }
 463
 464             // --------------------------------------------------------------------
 465
 466             if(do_tcpext_syscookies == CONFIG_ONDEMAND_YES || (do_tcpext_syscookies == CONFIG_ONDEMAND_ONDEMAND && (tcpext_SyncookiesSent || tcpext_SyncookiesRecv || tcpext_SyncookiesFailed))) {
 467                 do_tcpext_syscookies = CONFIG_ONDEMAND_YES;
 468                 st = rrdset_find("ipv4.tcpsyncookies");
 469                 if(unlikely(!st)) {
 470                     st = rrdset_create("ipv4", "tcpsyncookies", NULL, "tcp", NULL, "TCP SYN Cookies", "packets/s", 3100, update_every, RRDSET_TYPE_LINE);
 471
 472                     rrddim_add(st, "SyncookiesRecv",   "received",  1, 1, RRDDIM_INCREMENTAL);
 473                     rrddim_add(st, "SyncookiesSent",   "sent",     -1, 1, RRDDIM_INCREMENTAL);
 474                     rrddim_add(st, "SyncookiesFailed", "failed",   -1, 1, RRDDIM_INCREMENTAL);
 475                 }
 476                 else rrdset_next(st);
 477
 478                 rrddim_set(st, "SyncookiesRecv",   tcpext_SyncookiesRecv);
 479                 rrddim_set(st, "SyncookiesSent",   tcpext_SyncookiesSent);
 480                 rrddim_set(st, "SyncookiesFailed", tcpext_SyncookiesFailed);
 481                 rrdset_done(st);
 482             }
 483
 484         }
 485     }
 486
 487     return 0;
 488 }