q_htb.c revision 76dc0aa28fe6fa78e263bf0250c1e42c584dd544
19e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger/* 29e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger * q_htb.c HTB. 39e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger * 49e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger * This program is free software; you can redistribute it and/or 59e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger * modify it under the terms of the GNU General Public License 69e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger * as published by the Free Software Foundation; either version 79e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger * 2 of the License, or (at your option) any later version. 89e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger * 99e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger * Authors: Martin Devera, devik@cdi.cz 109e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger * 119e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger */ 129e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 139e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include <stdio.h> 149e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include <stdlib.h> 159e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include <unistd.h> 169e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include <syslog.h> 179e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include <fcntl.h> 189e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include <sys/socket.h> 199e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include <netinet/in.h> 209e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include <arpa/inet.h> 219e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include <string.h> 229e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 239e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include "utils.h" 249e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#include "tc_util.h" 259e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 269e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#define HTB_TC_VER 0x30003 279e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#if HTB_TC_VER >> 16 != TC_HTB_PROTOVER 289e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#error "Different kernel and TC HTB versions" 299e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#endif 309e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 319e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemmingerstatic void explain(void) 329e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger{ 339e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(stderr, "Usage: ... qdisc add ... htb [default N] [r2q N]\n" 349e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " default minor id of class to which unclassified packets are sent {0}\n" 359e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " r2q DRR quantums are computed as rate in Bps/r2q {10}\n" 369e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " debug string of 16 numbers each 0-3 {0}\n\n" 37a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger "... class add ... htb rate R1 [burst B1] [mpu B] [overhead O]\n" 38a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger " [prio P] [slot S] [pslot PS]\n" 399e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " [ceil R2] [cburst B2] [mtu MTU] [quantum Q]\n" 409e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " rate rate allocated to this class (class can still borrow)\n" 419e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " burst max bytes burst which can be accumulated during idle period {computed}\n" 42a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger " mpu minimum packet size used in rate computations\n" 43a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger " overhead per-packet size overhead used in rate computations\n" 44a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger 459e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " ceil definite upper class rate (no borrows) {rate}\n" 469e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " cburst burst but for ceil {computed}\n" 479e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " mtu max packet size we create rate map for {1600}\n" 489e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " prio priority of leaf; lower are served first {0}\n" 499e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger " quantum how much bytes to serve from leaf at once {use r2q}\n" 509e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger "\nTC HTB version %d.%d\n",HTB_TC_VER>>16,HTB_TC_VER&0xffff 519e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger ); 529e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger} 539e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 549e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemmingerstatic void explain1(char *arg) 559e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger{ 569e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(stderr, "Illegal \"%s\"\n", arg); 579e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain(); 589e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger} 599e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 609e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 619e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger#define usage() return(-1) 629e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 639e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemmingerstatic int htb_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n) 649e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger{ 659e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger struct tc_htb_glob opt; 669e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger struct rtattr *tail; 679e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger unsigned i; char *p; 689e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger memset(&opt,0,sizeof(opt)); 699e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger opt.rate2quantum = 10; 709e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger opt.version = 3; 719e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 729e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger while (argc > 0) { 739e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (matches(*argv, "r2q") == 0) { 749e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger NEXT_ARG(); 759e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (get_u32(&opt.rate2quantum, *argv, 10)) { 769e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain1("r2q"); return -1; 779e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 789e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else if (matches(*argv, "default") == 0) { 799e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger NEXT_ARG(); 809e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (get_u32(&opt.defcls, *argv, 16)) { 819e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain1("default"); return -1; 829e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 839e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else if (matches(*argv, "debug") == 0) { 849e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger NEXT_ARG(); p = *argv; 859e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger for (i=0; i<16; i++,p++) { 869e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (*p<'0' || *p>'3') break; 879e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger opt.debug |= (*p-'0')<<(2*i); 889e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 899e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else { 909e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(stderr, "What is \"%s\"?\n", *argv); 919e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain(); 929e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 939e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 949e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger argc--; argv++; 959e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 961b52a7622ea8eda9980ce2dbe984985ac092d92an); tail = NLMSG_TAIL(n); 979e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); 989e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger addattr_l(n, 2024, TCA_HTB_INIT, &opt, NLMSG_ALIGN(sizeof(opt))); 991b52a7622ea8eda9980ce2dbe984985ac092d92avoid *) NLMSG_TAIL(n) - (void *) tail; tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; 1009e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return 0; 1019e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger} 1029e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 1039e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemmingerstatic int htb_parse_class_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n) 1049e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger{ 1059e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger int ok=0; 1069e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger struct tc_htb_opt opt; 1079e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger __u32 rtab[256],ctab[256]; 1089e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger unsigned buffer=0,cbuffer=0; 109a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger int cell_log=-1,ccell_log = -1; 110a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger unsigned mtu, mpu; 111a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger unsigned char mpu8 = 0, overhead = 0; 1129e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger struct rtattr *tail; 1139e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 1149e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger memset(&opt, 0, sizeof(opt)); mtu = 1600; /* eth packet len */ 1159e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 1169e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger while (argc > 0) { 1179e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (matches(*argv, "prio") == 0) { 1189e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger NEXT_ARG(); 1199e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (get_u32(&opt.prio, *argv, 10)) { 1209e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain1("prio"); return -1; 1219e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 1229e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger ok++; 1239e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else if (matches(*argv, "mtu") == 0) { 1249e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger NEXT_ARG(); 1259e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (get_u32(&mtu, *argv, 10)) { 1269e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain1("mtu"); return -1; 1279e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 128a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger } else if (matches(*argv, "mpu") == 0) { 129a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger NEXT_ARG(); 130a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger if (get_u8(&mpu8, *argv, 10)) { 131a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger explain1("mpu"); return -1; 132a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger } 133a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger } else if (matches(*argv, "overhead") == 0) { 134a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger NEXT_ARG(); 135a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger if (get_u8(&overhead, *argv, 10)) { 136a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger explain1("overhead"); return -1; 137a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger } 1389e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else if (matches(*argv, "quantum") == 0) { 1399e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger NEXT_ARG(); 1409e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (get_u32(&opt.quantum, *argv, 10)) { 1419e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain1("quantum"); return -1; 1429e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 1439e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else if (matches(*argv, "burst") == 0 || 1449e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger strcmp(*argv, "buffer") == 0 || 1459e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger strcmp(*argv, "maxburst") == 0) { 1469e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger NEXT_ARG(); 1479e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (get_size_and_cell(&buffer, &cell_log, *argv) < 0) { 1489e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain1("buffer"); 1499e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 1509e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 1519e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger ok++; 1529e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else if (matches(*argv, "cburst") == 0 || 1539e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger strcmp(*argv, "cbuffer") == 0 || 1549e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger strcmp(*argv, "cmaxburst") == 0) { 1559e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger NEXT_ARG(); 1569e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (get_size_and_cell(&cbuffer, &ccell_log, *argv) < 0) { 1579e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain1("cbuffer"); 1589e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 1599e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 1609e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger ok++; 1619e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else if (strcmp(*argv, "ceil") == 0) { 1629e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger NEXT_ARG(); 1639e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (opt.ceil.rate) { 1649e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(stderr, "Double \"ceil\" spec\n"); 1659e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 1669e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 1679e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (get_rate(&opt.ceil.rate, *argv)) { 1689e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain1("ceil"); 1699e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 1709e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 1719e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger ok++; 1729e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else if (strcmp(*argv, "rate") == 0) { 1739e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger NEXT_ARG(); 1749e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (opt.rate.rate) { 1759e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(stderr, "Double \"rate\" spec\n"); 1769e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 1779e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 1789e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (get_rate(&opt.rate.rate, *argv)) { 1799e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain1("rate"); 1809e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 1819e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 1829e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger ok++; 1839e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else if (strcmp(*argv, "help") == 0) { 1849e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain(); 1859e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 1869e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else { 1879e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(stderr, "What is \"%s\"?\n", *argv); 1889e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger explain(); 1899e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 1909e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 1919e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger argc--; argv++; 1929e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 1939e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 1949e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger/* if (!ok) 1959e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return 0;*/ 1969e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 1979e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (opt.rate.rate == 0) { 1989e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(stderr, "\"rate\" is required.\n"); 1999e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 2009e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 2019e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger /* if ceil params are missing, use the same as rate */ 2029e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (!opt.ceil.rate) opt.ceil = opt.rate; 2039e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 2049e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger /* compute minimal allowed burst from rate; mtu is added here to make 2059e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger sute that buffer is larger than mtu and to have some safeguard space */ 206d0d0e26c827ba407dd329d794d87fb3858fc8d77osdl.org!shemminger if (!buffer) buffer = opt.rate.rate / get_hz() + mtu; 207d0d0e26c827ba407dd329d794d87fb3858fc8d77osdl.org!shemminger if (!cbuffer) cbuffer = opt.ceil.rate / get_hz() + mtu; 2089e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 209a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger/* encode overhead and mpu, 8 bits each, into lower 16 bits */ 210a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger mpu = (unsigned)mpu8 | (unsigned)overhead << 8; 211a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger opt.ceil.mpu = mpu; opt.rate.mpu = mpu; 212a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger 213a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger if ((cell_log = tc_calc_rtable(opt.rate.rate, rtab, cell_log, mtu, mpu)) < 0) { 2149e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(stderr, "htb: failed to calculate rate table.\n"); 2159e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 2169e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 2179e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger opt.buffer = tc_calc_xmittime(opt.rate.rate, buffer); 2189e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger opt.rate.cell_log = cell_log; 219ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger 220a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger if ((ccell_log = tc_calc_rtable(opt.ceil.rate, ctab, cell_log, mtu, mpu)) < 0) { 2219e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(stderr, "htb: failed to calculate ceil rate table.\n"); 2229e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 2239e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 2249e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger opt.cbuffer = tc_calc_xmittime(opt.ceil.rate, cbuffer); 2259e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger opt.ceil.cell_log = ccell_log; 2269e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 2271b52a7622ea8eda9980ce2dbe984985ac092d92an); tail = NLMSG_TAIL(n); 2289e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); 2299e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger addattr_l(n, 2024, TCA_HTB_PARMS, &opt, sizeof(opt)); 2309e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger addattr_l(n, 3024, TCA_HTB_RTAB, rtab, 1024); 2319e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger addattr_l(n, 4024, TCA_HTB_CTAB, ctab, 1024); 2321b52a7622ea8eda9980ce2dbe984985ac092d92avoid *) NLMSG_TAIL(n) - (void *) tail; tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; 2339e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return 0; 2349e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger} 2359e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 2369e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemmingerstatic int htb_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) 2379e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger{ 2389e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger struct rtattr *tb[TCA_HTB_RTAB+1]; 2399e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger struct tc_htb_opt *hopt; 2409e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger struct tc_htb_glob *gopt; 2419e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger double buffer,cbuffer; 2429e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger SPRINT_BUF(b1); 2439e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger SPRINT_BUF(b2); 244a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger SPRINT_BUF(b3); 2459e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 2469e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (opt == NULL) 2479e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return 0; 2489e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 24914ee9e615939b5bd193279535a0368d5f43950e3tb, TCA_HTB_RTAB, opt); parse_rtattr_nested(tb, TCA_HTB_RTAB, opt); 2509e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 2519e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (tb[TCA_HTB_PARMS]) { 2529e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 2539e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger hopt = RTA_DATA(tb[TCA_HTB_PARMS]); 2549e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (RTA_PAYLOAD(tb[TCA_HTB_PARMS]) < sizeof(*hopt)) return -1; 2559e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 2569e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (!hopt->level) { 2579e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(f, "prio %d ", (int)hopt->prio); 2589e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (show_details) 2599e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(f, "quantum %d ", (int)hopt->quantum); 2609e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 2619e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(f, "rate %s ", sprint_rate(hopt->rate.rate, b1)); 26276dc0aa28fe6fa78e263bf0250c1e42c584dd544Patrick McHardy buffer = tc_calc_xmitsize(hopt->rate.rate, hopt->buffer); 2639e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(f, "ceil %s ", sprint_rate(hopt->ceil.rate, b1)); 26476dc0aa28fe6fa78e263bf0250c1e42c584dd544Patrick McHardy cbuffer = tc_calc_xmitsize(hopt->ceil.rate, hopt->cbuffer); 2659e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (show_details) { 266a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger fprintf(f, "burst %s/%u mpu %s overhead %s ", 267a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger sprint_size(buffer, b1), 268a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger 1<<hopt->rate.cell_log, 269a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger sprint_size(hopt->rate.mpu&0xFF, b2), 270a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger sprint_size((hopt->rate.mpu>>8)&0xFF, b3)); 271a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger fprintf(f, "cburst %s/%u mpu %s overhead %s ", 272a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger sprint_size(cbuffer, b1), 273a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger 1<<hopt->ceil.cell_log, 274a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger sprint_size(hopt->ceil.mpu&0xFF, b2), 275a166d246d84e7d0ba784e210515708006e16a366osdl.net!shemminger sprint_size((hopt->ceil.mpu>>8)&0xFF, b3)); 2769e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(f, "level %d ", (int)hopt->level); 2779e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } else { 2789e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(f, "burst %s ", sprint_size(buffer, b1)); 2799e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(f, "cburst %s ", sprint_size(cbuffer, b1)); 2809e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 2819e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (show_raw) 282ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger fprintf(f, "buffer [%08x] cbuffer [%08x] ", 2839e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger hopt->buffer,hopt->cbuffer); 2849e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 2859e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (tb[TCA_HTB_INIT]) { 2869e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger gopt = RTA_DATA(tb[TCA_HTB_INIT]); 2879e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (RTA_PAYLOAD(tb[TCA_HTB_INIT]) < sizeof(*gopt)) return -1; 2889e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 289ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger fprintf(f, "r2q %d default %x direct_packets_stat %u", 2909e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger gopt->rate2quantum,gopt->defcls,gopt->direct_pkts); 2919e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (show_details) 2929e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(f," ver %d.%d",gopt->version >> 16,gopt->version & 0xffff); 2939e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger } 2949e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return 0; 2959e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger} 2969e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 2979e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemmingerstatic int htb_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats) 2989e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger{ 2999e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger struct tc_htb_xstats *st; 3009e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (xstats == NULL) 3019e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return 0; 3029e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 3039e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger if (RTA_PAYLOAD(xstats) < sizeof(*st)) 3049e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return -1; 3059e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 3069e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger st = RTA_DATA(xstats); 307ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger fprintf(f, " lended: %u borrowed: %u giants: %u\n", 3089e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger st->lends,st->borrows,st->giants); 3099e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger fprintf(f, " tokens: %d ctokens: %d\n", st->tokens,st->ctokens); 3109e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger return 0; 3119e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger} 3129e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 31395812b56a5a66e7e9a21744cfe8bc0bb9791ea98net[shemminger]!kaberstruct qdisc_util htb_qdisc_util = { 314f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .id = "htb", 315f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .parse_qopt = htb_parse_opt, 316f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .print_qopt = htb_print_opt, 317f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .print_xstats = htb_print_xstats, 318f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .parse_copt = htb_parse_class_opt, 319f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .print_copt = htb_print_opt, 3209e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger}; 3219e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger 3229e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger/* for testing of old one */ 32395812b56a5a66e7e9a21744cfe8bc0bb9791ea98net[shemminger]!kaberstruct qdisc_util htb2_qdisc_util = { 324f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .id = "htb2", 325f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .parse_qopt = htb_parse_opt, 326f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .print_qopt = htb_print_opt, 327f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .print_xstats = htb_print_xstats, 328f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .parse_copt = htb_parse_class_opt, 329f2f99e2eefdbd9cb6a750b19a7b3036db351b983osdl.net!shemminger .print_copt = htb_print_opt, 3309e9d615e32c1e0677d2c32619253eabb331ff307org[shemminger]!shemminger}; 331