-/*
- * q_sfq.c SFQ.
- *
- * 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>
- *
- */
-
-#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"
-
-static void explain(void)
-{
- fprintf(stderr, "Usage: ... sfq [ limit NUMBER ] [ perturb SECS ] [ quantum BYTES ]\n");
-}
-
-#define usage() return(-1)
-
-static int sfq_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
-{
- int ok=0;
- struct tc_sfq_qopt opt;
-
- memset(&opt, 0, sizeof(opt));
-
- while (argc > 0) {
- if (strcmp(*argv, "quantum") == 0) {
- NEXT_ARG();
- if (get_size(&opt.quantum, *argv)) {
- fprintf(stderr, "Illegal \"limit\"\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, "limit") == 0) {
- NEXT_ARG();
- if (get_u32(&opt.limit, *argv, 0)) {
- fprintf(stderr, "Illegal \"limit\"\n");
- return -1;
- }
- if (opt.limit < 2) {
- fprintf(stderr, "Illegal \"limit\", must be > 1\n");
- 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 sfq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
-{
- struct tc_sfq_qopt *qopt;
- SPRINT_BUF(b1);
-
- if (opt == NULL)
- return 0;
-
- if (RTA_PAYLOAD(opt) < sizeof(*qopt))
- return -1;
- qopt = RTA_DATA(opt);
- fprintf(f, "limit %up ", qopt->limit);
- fprintf(f, "quantum %s ", sprint_size(qopt->quantum, b1));
- if (show_details) {
- fprintf(f, "flows %u/%u ", qopt->flows, qopt->divisor);
- }
- if (qopt->perturb_period)
- fprintf(f, "perturb %dsec ", qopt->perturb_period);
- return 0;
-}
-
-struct qdisc_util sfq_qdisc_util = {
- .id = "sfq",
- .parse_qopt = sfq_parse_opt,
- .print_qopt = sfq_print_opt,
-};