pfctl_qstats.c revision 1.3
1 /* $NetBSD: pfctl_qstats.c,v 1.3 2004/06/23 04:38:43 itojun Exp $ */ 2 /* $OpenBSD: pfctl_qstats.c,v 1.29 2004/03/15 15:25:44 dhartmei Exp $ */ 3 4 /* 5 * Copyright (c) Henning Brauer <henning (at) openbsd.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <sys/types.h> 21 #include <sys/ioctl.h> 22 #include <sys/socket.h> 23 24 #include <net/if.h> 25 #include <netinet/in.h> 26 #include <net/pfvar.h> 27 #include <arpa/inet.h> 28 29 #include <err.h> 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <string.h> 33 #include <unistd.h> 34 35 #include <altq/altq.h> 36 #include <altq/altq_cbq.h> 37 #include <altq/altq_priq.h> 38 #include <altq/altq_hfsc.h> 39 40 #include "pfctl.h" 41 #include "pfctl_parser.h" 42 43 union class_stats { 44 class_stats_t cbq_stats; 45 #ifdef __OpenBSD__ 46 struct priq_classstats priq_stats; 47 struct hfsc_classstats hfsc_stats; 48 #endif 49 }; 50 51 #define AVGN_MAX 8 52 #define STAT_INTERVAL 5 53 54 struct queue_stats { 55 union class_stats data; 56 int avgn; 57 double avg_bytes; 58 double avg_packets; 59 u_int64_t prev_bytes; 60 u_int64_t prev_packets; 61 }; 62 63 struct pf_altq_node { 64 struct pf_altq altq; 65 struct pf_altq_node *next; 66 struct pf_altq_node *children; 67 struct queue_stats qstats; 68 }; 69 70 int pfctl_update_qstats(int, struct pf_altq_node **); 71 void pfctl_insert_altq_node(struct pf_altq_node **, 72 const struct pf_altq, const struct queue_stats); 73 struct pf_altq_node *pfctl_find_altq_node(struct pf_altq_node *, 74 const char *, const char *); 75 void pfctl_print_altq_node(int, const struct pf_altq_node *, 76 unsigned, int); 77 void print_cbqstats(struct queue_stats); 78 void print_priqstats(struct queue_stats); 79 void print_hfscstats(struct queue_stats); 80 void pfctl_free_altq_node(struct pf_altq_node *); 81 void pfctl_print_altq_nodestat(int, 82 const struct pf_altq_node *); 83 84 void update_avg(struct pf_altq_node *); 85 86 int 87 pfctl_show_altq(int dev, const char *iface, int opts, int verbose2) 88 { 89 struct pf_altq_node *root = NULL, *node; 90 int nodes, dotitle = (opts & PF_OPT_SHOWALL); 91 92 93 if ((nodes = pfctl_update_qstats(dev, &root)) < 0) 94 return (-1); 95 96 for (node = root; node != NULL; node = node->next) { 97 if (iface != NULL && strcmp(node->altq.ifname, iface)) 98 continue; 99 if (dotitle) { 100 pfctl_print_title("ALTQ:"); 101 dotitle = 0; 102 } 103 pfctl_print_altq_node(dev, node, 0, opts); 104 } 105 106 while (verbose2) { 107 printf("\n"); 108 fflush(stdout); 109 sleep(STAT_INTERVAL); 110 if (pfctl_update_qstats(dev, &root) == -1) 111 return (-1); 112 for (node = root; node != NULL; node = node->next) { 113 if (iface != NULL && strcmp(node->altq.ifname, iface)) 114 continue; 115 pfctl_print_altq_node(dev, node, 0, opts); 116 } 117 } 118 pfctl_free_altq_node(root); 119 return (0); 120 } 121 122 int 123 pfctl_update_qstats(int dev, struct pf_altq_node **root) 124 { 125 struct pf_altq_node *node; 126 struct pfioc_altq pa; 127 struct pfioc_qstats pq; 128 u_int32_t mnr, nr; 129 struct queue_stats qstats; 130 static u_int32_t last_ticket; 131 132 memset(&pa, 0, sizeof(pa)); 133 memset(&pq, 0, sizeof(pq)); 134 memset(&qstats, 0, sizeof(qstats)); 135 if (ioctl(dev, DIOCGETALTQS, &pa)) { 136 warn("DIOCGETALTQS"); 137 return (-1); 138 } 139 140 /* if a new set is found, start over */ 141 if (pa.ticket != last_ticket && *root != NULL) { 142 pfctl_free_altq_node(*root); 143 *root = NULL; 144 } 145 last_ticket = pa.ticket; 146 147 mnr = pa.nr; 148 for (nr = 0; nr < mnr; ++nr) { 149 pa.nr = nr; 150 if (ioctl(dev, DIOCGETALTQ, &pa)) { 151 warn("DIOCGETALTQ"); 152 return (-1); 153 } 154 if (pa.altq.qid > 0) { 155 pq.nr = nr; 156 pq.ticket = pa.ticket; 157 pq.buf = &qstats.data; 158 pq.nbytes = sizeof(qstats.data); 159 if (ioctl(dev, DIOCGETQSTATS, &pq)) { 160 warn("DIOCGETQSTATS"); 161 return (-1); 162 } 163 if ((node = pfctl_find_altq_node(*root, pa.altq.qname, 164 pa.altq.ifname)) != NULL) { 165 memcpy(&node->qstats.data, &qstats.data, 166 sizeof(qstats.data)); 167 update_avg(node); 168 } else { 169 pfctl_insert_altq_node(root, pa.altq, qstats); 170 } 171 } 172 } 173 return (mnr); 174 } 175 176 void 177 pfctl_insert_altq_node(struct pf_altq_node **root, 178 const struct pf_altq altq, const struct queue_stats qstats) 179 { 180 struct pf_altq_node *node; 181 182 node = calloc(1, sizeof(struct pf_altq_node)); 183 if (node == NULL) 184 err(1, "pfctl_insert_altq_node: calloc"); 185 memcpy(&node->altq, &altq, sizeof(struct pf_altq)); 186 memcpy(&node->qstats, &qstats, sizeof(qstats)); 187 node->next = node->children = NULL; 188 189 if (*root == NULL) 190 *root = node; 191 else if (!altq.parent[0]) { 192 struct pf_altq_node *prev = *root; 193 194 while (prev->next != NULL) 195 prev = prev->next; 196 prev->next = node; 197 } else { 198 struct pf_altq_node *parent; 199 200 parent = pfctl_find_altq_node(*root, altq.parent, altq.ifname); 201 if (parent == NULL) 202 errx(1, "parent %s not found", altq.parent); 203 if (parent->children == NULL) 204 parent->children = node; 205 else { 206 struct pf_altq_node *prev = parent->children; 207 208 while (prev->next != NULL) 209 prev = prev->next; 210 prev->next = node; 211 } 212 } 213 update_avg(node); 214 } 215 216 struct pf_altq_node * 217 pfctl_find_altq_node(struct pf_altq_node *root, const char *qname, 218 const char *ifname) 219 { 220 struct pf_altq_node *node, *child; 221 222 for (node = root; node != NULL; node = node->next) { 223 if (!strcmp(node->altq.qname, qname) 224 && !(strcmp(node->altq.ifname, ifname))) 225 return (node); 226 if (node->children != NULL) { 227 child = pfctl_find_altq_node(node->children, qname, 228 ifname); 229 if (child != NULL) 230 return (child); 231 } 232 } 233 return (NULL); 234 } 235 236 void 237 pfctl_print_altq_node(int dev, const struct pf_altq_node *node, unsigned level, 238 int opts) 239 { 240 const struct pf_altq_node *child; 241 242 if (node == NULL) 243 return; 244 245 print_altq(&node->altq, level, NULL, NULL); 246 247 if (node->children != NULL) { 248 printf("{"); 249 for (child = node->children; child != NULL; 250 child = child->next) { 251 printf("%s", child->altq.qname); 252 if (child->next != NULL) 253 printf(", "); 254 } 255 printf("}"); 256 } 257 printf("\n"); 258 259 if (opts & PF_OPT_VERBOSE) 260 pfctl_print_altq_nodestat(dev, node); 261 262 if (opts & PF_OPT_DEBUG) 263 printf(" [ qid=%u ifname=%s ifbandwidth=%s ]\n", 264 node->altq.qid, node->altq.ifname, 265 rate2str((double)(node->altq.ifbandwidth))); 266 267 for (child = node->children; child != NULL; 268 child = child->next) 269 pfctl_print_altq_node(dev, child, level + 1, opts); 270 } 271 272 void 273 pfctl_print_altq_nodestat(int dev, const struct pf_altq_node *a) 274 { 275 if (a->altq.qid == 0) 276 return; 277 278 switch (a->altq.scheduler) { 279 case ALTQT_CBQ: 280 print_cbqstats(a->qstats); 281 break; 282 case ALTQT_PRIQ: 283 print_priqstats(a->qstats); 284 break; 285 case ALTQT_HFSC: 286 print_hfscstats(a->qstats); 287 break; 288 } 289 } 290 291 void 292 print_cbqstats(struct queue_stats cur) 293 { 294 printf(" [ pkts: %10llu bytes: %10llu " 295 "dropped pkts: %6llu bytes: %6llu ]\n", 296 (unsigned long long)cur.data.cbq_stats.xmit_cnt.packets, 297 (unsigned long long)cur.data.cbq_stats.xmit_cnt.bytes, 298 (unsigned long long)cur.data.cbq_stats.drop_cnt.packets, 299 (unsigned long long)cur.data.cbq_stats.drop_cnt.bytes); 300 printf(" [ qlength: %3d/%3d borrows: %6u suspends: %6u ]\n", 301 cur.data.cbq_stats.qcnt, cur.data.cbq_stats.qmax, 302 cur.data.cbq_stats.borrows, cur.data.cbq_stats.delays); 303 304 if (cur.avgn < 2) 305 return; 306 307 printf(" [ measured: %7.1f packets/s, %s/s ]\n", 308 cur.avg_packets / STAT_INTERVAL, 309 rate2str((8 * cur.avg_bytes) / STAT_INTERVAL)); 310 } 311 312 void 313 print_priqstats(struct queue_stats cur) 314 { 315 #ifdef __OpenBSD__ 316 printf(" [ pkts: %10llu bytes: %10llu " 317 "dropped pkts: %6llu bytes: %6llu ]\n", 318 (unsigned long long)cur.data.priq_stats.xmitcnt.packets, 319 (unsigned long long)cur.data.priq_stats.xmitcnt.bytes, 320 (unsigned long long)cur.data.priq_stats.dropcnt.packets, 321 (unsigned long long)cur.data.priq_stats.dropcnt.bytes); 322 printf(" [ qlength: %3d/%3d ]\n", 323 cur.data.priq_stats.qlength, cur.data.priq_stats.qlimit); 324 325 if (cur.avgn < 2) 326 return; 327 328 printf(" [ measured: %7.1f packets/s, %s/s ]\n", 329 cur.avg_packets / STAT_INTERVAL, 330 rate2str((8 * cur.avg_bytes) / STAT_INTERVAL)); 331 #endif 332 } 333 334 void 335 print_hfscstats(struct queue_stats cur) 336 { 337 #ifdef __OpenBSD__ 338 printf(" [ pkts: %10llu bytes: %10llu " 339 "dropped pkts: %6llu bytes: %6llu ]\n", 340 (unsigned long long)cur.data.hfsc_stats.xmit_cnt.packets, 341 (unsigned long long)cur.data.hfsc_stats.xmit_cnt.bytes, 342 (unsigned long long)cur.data.hfsc_stats.drop_cnt.packets, 343 (unsigned long long)cur.data.hfsc_stats.drop_cnt.bytes); 344 printf(" [ qlength: %3d/%3d ]\n", 345 cur.data.hfsc_stats.qlength, cur.data.hfsc_stats.qlimit); 346 347 if (cur.avgn < 2) 348 return; 349 350 printf(" [ measured: %7.1f packets/s, %s/s ]\n", 351 cur.avg_packets / STAT_INTERVAL, 352 rate2str((8 * cur.avg_bytes) / STAT_INTERVAL)); 353 #endif 354 } 355 356 void 357 pfctl_free_altq_node(struct pf_altq_node *node) 358 { 359 while (node != NULL) { 360 struct pf_altq_node *prev; 361 362 if (node->children != NULL) 363 pfctl_free_altq_node(node->children); 364 prev = node; 365 node = node->next; 366 free(prev); 367 } 368 } 369 370 void 371 update_avg(struct pf_altq_node *a) 372 { 373 struct queue_stats *qs; 374 u_int64_t b, p; 375 int n; 376 377 if (a->altq.qid == 0) 378 return; 379 380 qs = &a->qstats; 381 n = qs->avgn; 382 383 switch (a->altq.scheduler) { 384 case ALTQT_CBQ: 385 b = qs->data.cbq_stats.xmit_cnt.bytes; 386 p = qs->data.cbq_stats.xmit_cnt.packets; 387 break; 388 #ifdef __OpenBSD__ 389 case ALTQT_PRIQ: 390 b = qs->data.priq_stats.xmitcnt.bytes; 391 p = qs->data.priq_stats.xmitcnt.packets; 392 break; 393 case ALTQT_HFSC: 394 b = qs->data.hfsc_stats.xmit_cnt.bytes; 395 p = qs->data.hfsc_stats.xmit_cnt.packets; 396 break; 397 #endif 398 default: 399 b = 0; 400 p = 0; 401 break; 402 } 403 404 if (n == 0) { 405 qs->prev_bytes = b; 406 qs->prev_packets = p; 407 qs->avgn++; 408 return; 409 } 410 411 if (b >= qs->prev_bytes) 412 qs->avg_bytes = ((qs->avg_bytes * (n - 1)) + 413 (b - qs->prev_bytes)) / n; 414 415 if (p >= qs->prev_packets) 416 qs->avg_packets = ((qs->avg_packets * (n - 1)) + 417 (p - qs->prev_packets)) / n; 418 419 qs->prev_bytes = b; 420 qs->prev_packets = p; 421 if (n < AVGN_MAX) 422 qs->avgn++; 423 } 424
Indexes created Mon Sep 29 21:09:56 GMT 2025