4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
9 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
18 #include <sys/socket.h>
19 #include <netinet/in.h>
20 #include <arpa/inet.h>
26 static void explain(void)
28 fprintf(stderr, "Usage: ... sfq [ limit NUMBER ] [ perturb SECS ] [ quantum BYTES ]\n");
31 #define usage() return(-1)
33 static int sfq_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
36 struct tc_sfq_qopt opt;
38 memset(&opt, 0, sizeof(opt));
41 if (strcmp(*argv, "quantum") == 0) {
43 if (get_size(&opt.quantum, *argv)) {
44 fprintf(stderr, "Illegal \"limit\"\n");
48 } else if (strcmp(*argv, "perturb") == 0) {
50 if (get_integer(&opt.perturb_period, *argv, 0)) {
51 fprintf(stderr, "Illegal \"perturb\"\n");
55 } else if (strcmp(*argv, "limit") == 0) {
57 if (get_u32(&opt.limit, *argv, 0)) {
58 fprintf(stderr, "Illegal \"limit\"\n");
62 fprintf(stderr, "Illegal \"limit\", must be > 1\n");
66 } else if (strcmp(*argv, "help") == 0) {
70 fprintf(stderr, "What is \"%s\"?\n", *argv);
78 addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));
82 static int sfq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
84 struct tc_sfq_qopt *qopt;
90 if (RTA_PAYLOAD(opt) < sizeof(*qopt))
93 fprintf(f, "limit %up ", qopt->limit);
94 fprintf(f, "quantum %s ", sprint_size(qopt->quantum, b1));
96 fprintf(f, "flows %u/%u ", qopt->flows, qopt->divisor);
98 if (qopt->perturb_period)
99 fprintf(f, "perturb %dsec ", qopt->perturb_period);
103 static int sfq_print_xstats(struct qdisc_util *qu, FILE *f,
104 struct rtattr *xstats)
106 struct tc_sfq_xstats *st;
110 if (RTA_PAYLOAD(xstats) < sizeof(*st))
112 st = RTA_DATA(xstats);
114 fprintf(f, " allot %d ", st->allot);
119 struct qdisc_util sfq_qdisc_util = {
121 .parse_qopt = sfq_parse_opt,
122 .print_qopt = sfq_print_opt,
123 .print_xstats = sfq_print_xstats,