--- /dev/null
+--- iproute2/tc/q_htb.c Sun Oct 21 22:07:29 2001
++++ iproute2new/tc/q_htb.c Sun May 12 22:18:27 2002
+@@ -0,0 +1,306 @@
++/*
++ * q_htb.c HTB.
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License
++ * as published by the Free Software Foundation; either version
++ * 2 of the License, or (at your option) any later version.
++ *
++ * Authors: Martin Devera, devik@cdi.cz
++ *
++ */
++
++#include <stdio.h>
++#include <stdlib.h>
++#include <unistd.h>
++#include <syslog.h>
++#include <fcntl.h>
++#include <sys/socket.h>
++#include <netinet/in.h>
++#include <arpa/inet.h>
++#include <string.h>
++
++#include "utils.h"
++#include "tc_util.h"
++
++#define HTB_TC_VER 0x30003
++#if HTB_TC_VER >> 16 != TC_HTB_PROTOVER
++#error "Different kernel and TC HTB versions"
++#endif
++
++static void explain(void)
++{
++ fprintf(stderr, "Usage: ... qdisc add ... htb [default N] [r2q N]\n"
++ " default minor id of class to which unclassified packets are sent {0}\n"
++ " r2q DRR quantums are computed as rate in Bps/r2q {10}\n"
++ " debug string of 16 numbers each 0-3 {0}\n\n"
++ "... class add ... htb rate R1 burst B1 [prio P] [slot S] [pslot PS]\n"
++ " [ceil R2] [cburst B2] [mtu MTU] [quantum Q]\n"
++ " rate rate allocated to this class (class can still borrow)\n"
++ " burst max bytes burst which can be accumulated during idle period {computed}\n"
++ " ceil definite upper class rate (no borrows) {rate}\n"
++ " cburst burst but for ceil {computed}\n"
++ " mtu max packet size we create rate map for {1600}\n"
++ " prio priority of leaf; lower are served first {0}\n"
++ " quantum how much bytes to serve from leaf at once {use r2q}\n"
++ "\nTC HTB version %d.%d\n",HTB_TC_VER>>16,HTB_TC_VER&0xffff
++ );
++}
++
++static void explain1(char *arg)
++{
++ fprintf(stderr, "Illegal \"%s\"\n", arg);
++ explain();
++}
++
++
++#define usage() return(-1)
++
++static int htb_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
++{
++ struct tc_htb_glob opt;
++ struct rtattr *tail;
++ unsigned i; char *p;
++ memset(&opt,0,sizeof(opt));
++ opt.rate2quantum = 10;
++ opt.version = 3;
++
++ while (argc > 0) {
++ if (matches(*argv, "r2q") == 0) {
++ NEXT_ARG();
++ if (get_u32(&opt.rate2quantum, *argv, 10)) {
++ explain1("r2q"); return -1;
++ }
++ } else if (matches(*argv, "default") == 0) {
++ NEXT_ARG();
++ if (get_u32(&opt.defcls, *argv, 16)) {
++ explain1("default"); return -1;
++ }
++ } else if (matches(*argv, "debug") == 0) {
++ NEXT_ARG(); p = *argv;
++ for (i=0; i<16; i++,p++) {
++ if (*p<'0' || *p>'3') break;
++ opt.debug |= (*p-'0')<<(2*i);
++ }
++ } else {
++ fprintf(stderr, "What is \"%s\"?\n", *argv);
++ explain();
++ return -1;
++ }
++ argc--; argv++;
++ }
++ tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len));
++ addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
++ addattr_l(n, 2024, TCA_HTB_INIT, &opt, NLMSG_ALIGN(sizeof(opt)));
++ tail->rta_len = (((void*)n)+NLMSG_ALIGN(n->nlmsg_len)) - (void*)tail;
++ return 0;
++}
++
++static int htb_parse_class_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
++{
++ int ok=0;
++ struct tc_htb_opt opt;
++ __u32 rtab[256],ctab[256];
++ unsigned buffer=0,cbuffer=0;
++ int cell_log=-1,ccell_log = -1,mtu;
++ struct rtattr *tail;
++
++ memset(&opt, 0, sizeof(opt)); mtu = 1600; /* eth packet len */
++
++ while (argc > 0) {
++ if (matches(*argv, "prio") == 0) {
++ NEXT_ARG();
++ if (get_u32(&opt.prio, *argv, 10)) {
++ explain1("prio"); return -1;
++ }
++ ok++;
++ } else if (matches(*argv, "mtu") == 0) {
++ NEXT_ARG();
++ if (get_u32(&mtu, *argv, 10)) {
++ explain1("mtu"); return -1;
++ }
++ } else if (matches(*argv, "quantum") == 0) {
++ NEXT_ARG();
++ if (get_u32(&opt.quantum, *argv, 10)) {
++ explain1("quantum"); return -1;
++ }
++ } else if (matches(*argv, "burst") == 0 ||
++ strcmp(*argv, "buffer") == 0 ||
++ strcmp(*argv, "maxburst") == 0) {
++ NEXT_ARG();
++ if (get_size_and_cell(&buffer, &cell_log, *argv) < 0) {
++ explain1("buffer");
++ return -1;
++ }
++ ok++;
++ } else if (matches(*argv, "cburst") == 0 ||
++ strcmp(*argv, "cbuffer") == 0 ||
++ strcmp(*argv, "cmaxburst") == 0) {
++ NEXT_ARG();
++ if (get_size_and_cell(&cbuffer, &ccell_log, *argv) < 0) {
++ explain1("cbuffer");
++ return -1;
++ }
++ ok++;
++ } else if (strcmp(*argv, "ceil") == 0) {
++ NEXT_ARG();
++ if (opt.ceil.rate) {
++ fprintf(stderr, "Double \"ceil\" spec\n");
++ return -1;
++ }
++ if (get_rate(&opt.ceil.rate, *argv)) {
++ explain1("ceil");
++ return -1;
++ }
++ ok++;
++ } else if (strcmp(*argv, "rate") == 0) {
++ NEXT_ARG();
++ if (opt.rate.rate) {
++ fprintf(stderr, "Double \"rate\" spec\n");
++ return -1;
++ }
++ if (get_rate(&opt.rate.rate, *argv)) {
++ explain1("rate");
++ return -1;
++ }
++ ok++;
++ } else if (strcmp(*argv, "help") == 0) {
++ explain();
++ return -1;
++ } else {
++ fprintf(stderr, "What is \"%s\"?\n", *argv);
++ explain();
++ return -1;
++ }
++ argc--; argv++;
++ }
++
++/* if (!ok)
++ return 0;*/
++
++ if (opt.rate.rate == 0) {
++ fprintf(stderr, "\"rate\" is required.\n");
++ return -1;
++ }
++ /* if ceil params are missing, use the same as rate */
++ if (!opt.ceil.rate) opt.ceil = opt.rate;
++
++ /* compute minimal allowed burst from rate; mtu is added here to make
++ sute that buffer is larger than mtu and to have some safeguard space */
++ if (!buffer) buffer = opt.rate.rate / HZ + mtu;
++ if (!cbuffer) cbuffer = opt.ceil.rate / HZ + mtu;
++
++ if ((cell_log = tc_calc_rtable(opt.rate.rate, rtab, cell_log, mtu, 0)) < 0) {
++ fprintf(stderr, "htb: failed to calculate rate table.\n");
++ return -1;
++ }
++ opt.buffer = tc_calc_xmittime(opt.rate.rate, buffer);
++ opt.rate.cell_log = cell_log;
++
++ if ((ccell_log = tc_calc_rtable(opt.ceil.rate, ctab, cell_log, mtu, 0)) < 0) {
++ fprintf(stderr, "htb: failed to calculate ceil rate table.\n");
++ return -1;
++ }
++ opt.cbuffer = tc_calc_xmittime(opt.ceil.rate, cbuffer);
++ opt.ceil.cell_log = ccell_log;
++
++ tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len));
++ addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
++ addattr_l(n, 2024, TCA_HTB_PARMS, &opt, sizeof(opt));
++ addattr_l(n, 3024, TCA_HTB_RTAB, rtab, 1024);
++ addattr_l(n, 4024, TCA_HTB_CTAB, ctab, 1024);
++ tail->rta_len = (((void*)n)+NLMSG_ALIGN(n->nlmsg_len)) - (void*)tail;
++ return 0;
++}
++
++static int htb_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
++{
++ struct rtattr *tb[TCA_HTB_RTAB+1];
++ struct tc_htb_opt *hopt;
++ struct tc_htb_glob *gopt;
++ double buffer,cbuffer;
++ SPRINT_BUF(b1);
++ SPRINT_BUF(b2);
++
++ if (opt == NULL)
++ return 0;
++
++ memset(tb, 0, sizeof(tb));
++ parse_rtattr(tb, TCA_HTB_RTAB, RTA_DATA(opt), RTA_PAYLOAD(opt));
++
++ if (tb[TCA_HTB_PARMS]) {
++
++ hopt = RTA_DATA(tb[TCA_HTB_PARMS]);
++ if (RTA_PAYLOAD(tb[TCA_HTB_PARMS]) < sizeof(*hopt)) return -1;
++
++ if (!hopt->level) {
++ fprintf(f, "prio %d ", (int)hopt->prio);
++ if (show_details)
++ fprintf(f, "quantum %d ", (int)hopt->quantum);
++ }
++ fprintf(f, "rate %s ", sprint_rate(hopt->rate.rate, b1));
++ buffer = ((double)hopt->rate.rate*tc_core_tick2usec(hopt->buffer))/1000000;
++ fprintf(f, "ceil %s ", sprint_rate(hopt->ceil.rate, b1));
++ cbuffer = ((double)hopt->ceil.rate*tc_core_tick2usec(hopt->cbuffer))/1000000;
++ if (show_details) {
++ fprintf(f, "burst %s/%u mpu %s ", sprint_size(buffer, b1),
++ 1<<hopt->rate.cell_log, sprint_size(hopt->rate.mpu, b2));
++ fprintf(f, "cburst %s/%u mpu %s ", sprint_size(cbuffer, b1),
++ 1<<hopt->ceil.cell_log, sprint_size(hopt->ceil.mpu, b2));
++ fprintf(f, "level %d ", (int)hopt->level);
++ } else {
++ fprintf(f, "burst %s ", sprint_size(buffer, b1));
++ fprintf(f, "cburst %s ", sprint_size(cbuffer, b1));
++ }
++ if (show_raw)
++ fprintf(f, "buffer [%08x] cbuffer [%08x] ",
++ hopt->buffer,hopt->cbuffer);
++ }
++ if (tb[TCA_HTB_INIT]) {
++ gopt = RTA_DATA(tb[TCA_HTB_INIT]);
++ if (RTA_PAYLOAD(tb[TCA_HTB_INIT]) < sizeof(*gopt)) return -1;
++
++ fprintf(f, "r2q %d default %x direct_packets_stat %u",
++ gopt->rate2quantum,gopt->defcls,gopt->direct_pkts);
++ if (show_details)
++ fprintf(f," ver %d.%d",gopt->version >> 16,gopt->version & 0xffff);
++ }
++ return 0;
++}
++
++static int htb_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats)
++{
++ struct tc_htb_xstats *st;
++ if (xstats == NULL)
++ return 0;
++
++ if (RTA_PAYLOAD(xstats) < sizeof(*st))
++ return -1;
++
++ st = RTA_DATA(xstats);
++ fprintf(f, " lended: %u borrowed: %u giants: %u\n",
++ st->lends,st->borrows,st->giants);
++ fprintf(f, " tokens: %d ctokens: %d\n", st->tokens,st->ctokens);
++ return 0;
++}
++
++struct qdisc_util htb_util = {
++ NULL,
++ "htb",
++ htb_parse_opt,
++ htb_print_opt,
++ htb_print_xstats,
++ htb_parse_class_opt,
++ htb_print_opt,
++};
++
++/* for testing of old one */
++struct qdisc_util htb2_util = {
++ NULL,
++ "htb2",
++ htb_parse_opt,
++ htb_print_opt,
++ htb_print_xstats,
++ htb_parse_class_opt,
++ htb_print_opt,
++};
+--- iproute2/tc/Makefile Tue Jul 6 18:13:07 1999
++++ iproute2new/tc/Makefile Thu May 9 12:34:19 2002
+@@ -21,6 +21,7 @@ ifeq ($(TC_CONFIG_DIFFSERV),y)
+ endif
+
+ #TCMODULES += q_csz.o
++TCMODULES += q_htb.o
+ #TCMODULES += q_hpfq.o
+ #TCMODULES += q_hfsc.o
+
projects / packages / iproute2.git / commitdiff