+++ /dev/null
----
- include/linux/pkt_sched.h | 59 +++++++++++++
- tc/Makefile | 1
- tc/q_esfq.c | 200 ++++++++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 260 insertions(+)
-
---- a/tc/Makefile
-+++ b/tc/Makefile
-@@ -8,6 +8,7 @@ SHARED_LIBS ?= y
- 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
---- /dev/null
-+++ b/tc/q_esfq.c
-@@ -0,0 +1,200 @@
-+/*
-+ * 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>
-+ * Alexander Clouter, <alex@digriz.org.uk>
-+ * Corey Hickey, <bugfood-c@fatooh.org>
-+ *
-+ */
-+
-+#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 | ctorigdst | ctorigsrc | ctrepldst | ctreplsrc | ctnatchg }\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 >= 14) {
-+ fprintf(stderr, "Illegal \"divisor\": must be < 14\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, "ctorigsrc") == 0) {
-+ opt.hash_kind= TCA_SFQ_HASH_CTORIGSRC;
-+ } else
-+ if(strcmp(*argv, "ctorigdst") == 0) {
-+ opt.hash_kind= TCA_SFQ_HASH_CTORIGDST;
-+ } else
-+ if(strcmp(*argv, "ctreplsrc") == 0) {
-+ opt.hash_kind= TCA_SFQ_HASH_CTREPLSRC;
-+ } else
-+ if(strcmp(*argv, "ctrepldst") == 0) {
-+ opt.hash_kind= TCA_SFQ_HASH_CTREPLDST;
-+ } else
-+ if(strcmp(*argv, "ctnatchg") == 0) {
-+ opt.hash_kind= TCA_SFQ_HASH_CTNATCHG;
-+ } 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_CTORIGSRC:
-+ fprintf(f,"ctorigsrc");
-+ break;
-+ case TCA_SFQ_HASH_CTORIGDST:
-+ fprintf(f,"ctorigdst");
-+ break;
-+ case TCA_SFQ_HASH_CTREPLSRC:
-+ fprintf(f,"ctreplsrc");
-+ break;
-+ case TCA_SFQ_HASH_CTREPLDST:
-+ fprintf(f,"ctrepldst");
-+ break;
-+ case TCA_SFQ_HASH_CTNATCHG:
-+ fprintf(f,"ctnatchg");
-+ 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 / openwrt / staging / chunkeey.git / blobdiff