--- /dev/null
+--- iproute2.orig/tc/Makefile Sun Apr 16 20:42:53 2000
++++ iproute2/tc/Makefile Tue May 14 23:04:10 2002
+@@ -5,6 +5,7 @@
+ TCMODULES :=
+ TCMODULES += q_fifo.o
+ TCMODULES += q_sfq.o
++TCMODULES += q_esfq.o
+ TCMODULES += q_red.o
+ TCMODULES += q_prio.o
+ TCMODULES += q_tbf.o
+--- iproute2.orig/include/linux/pkt_sched.h 2005-10-23 21:07:52.000000000 -0700
++++ iproute2/include/linux/pkt_sched.h 2005-10-21 18:12:55.000000000 -0700
+@@ -145,8 +145,35 @@
+ *
+ * The only reason for this is efficiency, it is possible
+ * to change these parameters in compile time.
++ *
++ * If you need to play with these values use esfq instead.
+ */
+
++/* ESFQ section */
++
++enum
++{
++ /* traditional */
++ TCA_SFQ_HASH_CLASSIC,
++ TCA_SFQ_HASH_DST,
++ TCA_SFQ_HASH_SRC,
++ TCA_SFQ_HASH_FWMARK,
++ /* direct */
++ TCA_SFQ_HASH_DSTDIR,
++ TCA_SFQ_HASH_SRCDIR,
++ TCA_SFQ_HASH_FWMARKDIR,
++};
++
++struct tc_esfq_qopt
++{
++ unsigned quantum; /* Bytes per round allocated to flow */
++ int perturb_period; /* Period of hash perturbation */
++ __u32 limit; /* Maximal packets in queue */
++ unsigned divisor; /* Hash divisor */
++ unsigned flows; /* Maximal number of flows */
++ unsigned hash_kind; /* Hash function to use for flow identification */
++};
++
+ /* RED section */
+
+ enum
+--- iproute2.orig/tc/q_esfq.c 1969-12-31 16:00:00.000000000 -0800
++++ iproute2/tc/q_esfq.c 2005-10-21 18:28:44.000000000 -0700
+@@ -0,0 +1,192 @@
++/*
++ * q_esfq.c ESFQ.
++ *
++ * 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: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
++ *
++ * Changes: Alexander Atanasov, <alex@ssi.bg>
++ * Added depth,limit,divisor,hash_kind options.
++ */
++
++#include <stdio.h>
++#include <stdlib.h>
++#include <unistd.h>
++#include <syslog.h>
++#include <fcntl.h>
++#include <math.h>
++#include <sys/socket.h>
++#include <netinet/in.h>
++#include <arpa/inet.h>
++#include <string.h>
++
++#include "utils.h"
++#include "tc_util.h"
++
++static void explain(void)
++{
++ fprintf(stderr, "Usage: ... esfq [ perturb SECS ] [ quantum BYTES ] [ depth FLOWS ]\n\t[ divisor HASHBITS ] [ limit PKTS ] [ hash HASHTYPE]\n");
++ fprintf(stderr,"Where: \n");
++ fprintf(stderr,"HASHTYPE := { classic | src | dst | fwmark | src_dir | dst_dir | fwmark_dir }\n");
++}
++
++#define usage() return(-1)
++
++static int esfq_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
++{
++ int ok=0;
++ struct tc_esfq_qopt opt;
++
++ memset(&opt, 0, sizeof(opt));
++
++ opt.hash_kind= TCA_SFQ_HASH_CLASSIC;
++
++ while (argc > 0) {
++ if (strcmp(*argv, "quantum") == 0) {
++ NEXT_ARG();
++ if (get_size(&opt.quantum, *argv)) {
++ fprintf(stderr, "Illegal \"quantum\"\n");
++ return -1;
++ }
++ ok++;
++ } else if (strcmp(*argv, "perturb") == 0) {
++ NEXT_ARG();
++ if (get_integer(&opt.perturb_period, *argv, 0)) {
++ fprintf(stderr, "Illegal \"perturb\"\n");
++ return -1;
++ }
++ ok++;
++ } else if (strcmp(*argv, "depth") == 0) {
++ NEXT_ARG();
++ if (get_integer((int *) &opt.flows, *argv, 0)) {
++ fprintf(stderr, "Illegal \"depth\"\n");
++ return -1;
++ }
++ ok++;
++ } else if (strcmp(*argv, "divisor") == 0) {
++ NEXT_ARG();
++ if (get_integer((int *) &opt.divisor, *argv, 0)) {
++ fprintf(stderr, "Illegal \"divisor\"\n");
++ return -1;
++ }
++ if(opt.divisor >= 15) {
++ fprintf(stderr, "Illegal \"divisor\" must be < 15\n");
++ return -1;
++ }
++ opt.divisor=pow(2,opt.divisor);
++ ok++;
++ } else if (strcmp(*argv, "limit") == 0) {
++ NEXT_ARG();
++ if (get_integer((int *) &opt.limit, *argv, 0)) {
++ fprintf(stderr, "Illegal \"limit\"\n");
++ return -1;
++ }
++ ok++;
++ } else if (strcmp(*argv, "hash") == 0) {
++ NEXT_ARG();
++ if(strcmp(*argv, "classic") == 0) {
++ opt.hash_kind= TCA_SFQ_HASH_CLASSIC;
++ } else
++ if(strcmp(*argv, "dst") == 0) {
++ opt.hash_kind= TCA_SFQ_HASH_DST;
++ } else
++ if(strcmp(*argv, "src") == 0) {
++ opt.hash_kind= TCA_SFQ_HASH_SRC;
++ } else
++ if(strcmp(*argv, "fwmark") == 0) {
++ opt.hash_kind= TCA_SFQ_HASH_FWMARK;
++ } else
++ if(strcmp(*argv, "dst_direct") == 0) {
++ opt.hash_kind= TCA_SFQ_HASH_DSTDIR;
++ } else
++ if(strcmp(*argv, "src_direct") == 0) {
++ opt.hash_kind= TCA_SFQ_HASH_SRCDIR;
++ } else
++ if(strcmp(*argv, "fwmark_direct") == 0) {
++ opt.hash_kind= TCA_SFQ_HASH_FWMARKDIR;
++ } else {
++ fprintf(stderr, "Illegal \"hash\"\n");
++ explain();
++ 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)
++ addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));
++ return 0;
++}
++
++static int esfq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
++{
++ struct tc_esfq_qopt *qopt;
++ SPRINT_BUF(b1);
++
++ if (opt == NULL)
++ return 0;
++
++ if (RTA_PAYLOAD(opt) < sizeof(*qopt))
++ return -1;
++ qopt = RTA_DATA(opt);
++ fprintf(f, "quantum %s ", sprint_size(qopt->quantum, b1));
++ if (show_details) {
++ fprintf(f, "limit %up flows %u/%u ",
++ qopt->limit, qopt->flows, qopt->divisor);
++ }
++ if (qopt->perturb_period)
++ fprintf(f, "perturb %dsec ", qopt->perturb_period);
++
++ fprintf(f,"hash: ");
++ switch(qopt->hash_kind)
++ {
++ case TCA_SFQ_HASH_CLASSIC:
++ fprintf(f,"classic");
++ break;
++ case TCA_SFQ_HASH_DST:
++ fprintf(f,"dst");
++ break;
++ case TCA_SFQ_HASH_SRC:
++ fprintf(f,"src");
++ break;
++ case TCA_SFQ_HASH_FWMARK:
++ fprintf(f,"fwmark");
++ break;
++ case TCA_SFQ_HASH_DSTDIR:
++ fprintf(f,"dst_direct");
++ break;
++ case TCA_SFQ_HASH_SRCDIR:
++ fprintf(f,"src_direct");
++ break;
++ case TCA_SFQ_HASH_FWMARKDIR:
++ fprintf(f,"fwmark_direct");
++ break;
++ default:
++ fprintf(f,"Unknown");
++ }
++ return 0;
++}
++
++static int esfq_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats)
++{
++ return 0;
++}
++
++
++struct qdisc_util esfq_qdisc_util = {
++ .id = "esfq",
++ .parse_qopt = esfq_parse_opt,
++ .print_qopt = esfq_print_opt,
++ .print_xstats = esfq_print_xstats,
++};
projects / packages / iproute2.git / blobdiff