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: Vinicius Costa Gomes <vinicius.gomes@intel.com>
17 #include <sys/socket.h>
18 #include <netinet/in.h>
19 #include <arpa/inet.h>
25 static void explain(void)
28 "Usage: ... cbs hicredit BYTES locredit BYTES sendslope BPS idleslope BPS\n"
32 static void explain1(const char *arg, const char *val)
34 fprintf(stderr, "cbs: illegal value for \"%s\": \"%s\"\n", arg, val);
37 static int cbs_parse_opt(struct qdisc_util *qu, int argc,
38 char **argv, struct nlmsghdr *n, const char *dev)
40 struct tc_cbs_qopt opt = {};
44 if (matches(*argv, "offload") == 0) {
47 fprintf(stderr, "cbs: duplicate \"offload\" specification\n");
50 if (get_u8(&opt.offload, *argv, 0)) {
51 explain1("offload", *argv);
54 } else if (matches(*argv, "hicredit") == 0) {
57 fprintf(stderr, "cbs: duplicate \"hicredit\" specification\n");
60 if (get_s32(&opt.hicredit, *argv, 0)) {
61 explain1("hicredit", *argv);
64 } else if (matches(*argv, "locredit") == 0) {
67 fprintf(stderr, "cbs: duplicate \"locredit\" specification\n");
70 if (get_s32(&opt.locredit, *argv, 0)) {
71 explain1("locredit", *argv);
74 } else if (matches(*argv, "sendslope") == 0) {
77 fprintf(stderr, "cbs: duplicate \"sendslope\" specification\n");
80 if (get_s32(&opt.sendslope, *argv, 0)) {
81 explain1("sendslope", *argv);
84 } else if (matches(*argv, "idleslope") == 0) {
87 fprintf(stderr, "cbs: duplicate \"idleslope\" specification\n");
90 if (get_s32(&opt.idleslope, *argv, 0)) {
91 explain1("idleslope", *argv);
94 } else if (strcmp(*argv, "help") == 0) {
98 fprintf(stderr, "cbs: unknown parameter \"%s\"\n", *argv);
105 tail = addattr_nest(n, 1024, TCA_OPTIONS);
106 addattr_l(n, 2024, TCA_CBS_PARMS, &opt, sizeof(opt));
107 addattr_nest_end(n, tail);
111 static int cbs_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
113 struct rtattr *tb[TCA_CBS_MAX+1];
114 struct tc_cbs_qopt *qopt;
119 parse_rtattr_nested(tb, TCA_CBS_MAX, opt);
121 if (tb[TCA_CBS_PARMS] == NULL)
124 qopt = RTA_DATA(tb[TCA_CBS_PARMS]);
125 if (RTA_PAYLOAD(tb[TCA_CBS_PARMS]) < sizeof(*qopt))
128 print_int(PRINT_ANY, "hicredit", "hicredit %d ", qopt->hicredit);
129 print_int(PRINT_ANY, "locredit", "locredit %d ", qopt->locredit);
130 print_int(PRINT_ANY, "sendslope", "sendslope %d ", qopt->sendslope);
131 print_int(PRINT_ANY, "idleslope", "idleslope %d ", qopt->idleslope);
132 print_int(PRINT_ANY, "offload", "offload %d ", qopt->offload);
137 struct qdisc_util cbs_qdisc_util = {
139 .parse_qopt = cbs_parse_opt,
140 .print_qopt = cbs_print_opt,