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");
29 fprintf(stderr
, " [ divisor NUMBER ]\n");
32 static int sfq_parse_opt(struct qdisc_util
*qu
, int argc
, char **argv
, struct nlmsghdr
*n
)
35 struct tc_sfq_qopt opt
;
37 memset(&opt
, 0, sizeof(opt
));
40 if (strcmp(*argv
, "quantum") == 0) {
42 if (get_size(&opt
.quantum
, *argv
)) {
43 fprintf(stderr
, "Illegal \"limit\"\n");
47 } else if (strcmp(*argv
, "perturb") == 0) {
49 if (get_integer(&opt
.perturb_period
, *argv
, 0)) {
50 fprintf(stderr
, "Illegal \"perturb\"\n");
54 } else if (strcmp(*argv
, "limit") == 0) {
56 if (get_u32(&opt
.limit
, *argv
, 0)) {
57 fprintf(stderr
, "Illegal \"limit\"\n");
61 fprintf(stderr
, "Illegal \"limit\", must be > 1\n");
65 } else if (strcmp(*argv
, "divisor") == 0) {
67 if (get_u32(&opt
.divisor
, *argv
, 0)) {
68 fprintf(stderr
, "Illegal \"divisor\"\n");
72 } else if (strcmp(*argv
, "help") == 0) {
76 fprintf(stderr
, "What is \"%s\"?\n", *argv
);
84 addattr_l(n
, 1024, TCA_OPTIONS
, &opt
, sizeof(opt
));
88 static int sfq_print_opt(struct qdisc_util
*qu
, FILE *f
, struct rtattr
*opt
)
90 struct tc_sfq_qopt
*qopt
;
96 if (RTA_PAYLOAD(opt
) < sizeof(*qopt
))
99 fprintf(f
, "limit %up ", qopt
->limit
);
100 fprintf(f
, "quantum %s ", sprint_size(qopt
->quantum
, b1
));
102 fprintf(f
, "flows %u/%u ", qopt
->flows
, qopt
->divisor
);
104 fprintf(f
, "divisor %u ", qopt
->divisor
);
105 if (qopt
->perturb_period
)
106 fprintf(f
, "perturb %dsec ", qopt
->perturb_period
);
110 static int sfq_print_xstats(struct qdisc_util
*qu
, FILE *f
,
111 struct rtattr
*xstats
)
113 struct tc_sfq_xstats
*st
;
117 if (RTA_PAYLOAD(xstats
) < sizeof(*st
))
119 st
= RTA_DATA(xstats
);
121 fprintf(f
, " allot %d ", st
->allot
);
126 struct qdisc_util sfq_qdisc_util
= {
128 .parse_qopt
= sfq_parse_opt
,
129 .print_qopt
= sfq_print_opt
,
130 .print_xstats
= sfq_print_xstats
,