xref: /linux/tools/net/ynl/samples/tc.c (revision 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21)
1*4e4dc6dbSJakub Kicinski // SPDX-License-Identifier: GPL-2.0
2*4e4dc6dbSJakub Kicinski #include <stdio.h>
3*4e4dc6dbSJakub Kicinski #include <string.h>
4*4e4dc6dbSJakub Kicinski 
5*4e4dc6dbSJakub Kicinski #include <ynl.h>
6*4e4dc6dbSJakub Kicinski 
7*4e4dc6dbSJakub Kicinski #include <net/if.h>
8*4e4dc6dbSJakub Kicinski 
9*4e4dc6dbSJakub Kicinski #include "tc-user.h"
10*4e4dc6dbSJakub Kicinski 
11*4e4dc6dbSJakub Kicinski static void tc_qdisc_print(struct tc_getqdisc_rsp *q)
12*4e4dc6dbSJakub Kicinski {
13*4e4dc6dbSJakub Kicinski 	char ifname[IF_NAMESIZE];
14*4e4dc6dbSJakub Kicinski 	const char *name;
15*4e4dc6dbSJakub Kicinski 
16*4e4dc6dbSJakub Kicinski 	name = if_indextoname(q->_hdr.tcm_ifindex, ifname);
17*4e4dc6dbSJakub Kicinski 	if (name)
18*4e4dc6dbSJakub Kicinski 		printf("%16s: ", name);
19*4e4dc6dbSJakub Kicinski 
20*4e4dc6dbSJakub Kicinski 	if (q->_len.kind) {
21*4e4dc6dbSJakub Kicinski 		printf("%s  ", q->kind);
22*4e4dc6dbSJakub Kicinski 
23*4e4dc6dbSJakub Kicinski 		if (q->options._present.fq_codel) {
24*4e4dc6dbSJakub Kicinski 			struct tc_fq_codel_attrs *fq_codel;
25*4e4dc6dbSJakub Kicinski 			struct tc_fq_codel_xstats *stats;
26*4e4dc6dbSJakub Kicinski 
27*4e4dc6dbSJakub Kicinski 			fq_codel = &q->options.fq_codel;
28*4e4dc6dbSJakub Kicinski 			stats = q->stats2.app.fq_codel;
29*4e4dc6dbSJakub Kicinski 
30*4e4dc6dbSJakub Kicinski 			if (fq_codel->_present.limit)
31*4e4dc6dbSJakub Kicinski 				printf("limit: %dp ", fq_codel->limit);
32*4e4dc6dbSJakub Kicinski 			if (fq_codel->_present.target)
33*4e4dc6dbSJakub Kicinski 				printf("target: %dms ",
34*4e4dc6dbSJakub Kicinski 				       (fq_codel->target + 500) / 1000);
35*4e4dc6dbSJakub Kicinski 			if (q->stats2.app._len.fq_codel)
36*4e4dc6dbSJakub Kicinski 				printf("new_flow_cnt: %d ",
37*4e4dc6dbSJakub Kicinski 				       stats->qdisc_stats.new_flow_count);
38*4e4dc6dbSJakub Kicinski 		}
39*4e4dc6dbSJakub Kicinski 	}
40*4e4dc6dbSJakub Kicinski 
41*4e4dc6dbSJakub Kicinski 	printf("\n");
42*4e4dc6dbSJakub Kicinski }
43*4e4dc6dbSJakub Kicinski 
44*4e4dc6dbSJakub Kicinski int main(int argc, char **argv)
45*4e4dc6dbSJakub Kicinski {
46*4e4dc6dbSJakub Kicinski 	struct tc_getqdisc_req_dump *req;
47*4e4dc6dbSJakub Kicinski 	struct tc_getqdisc_list *rsp;
48*4e4dc6dbSJakub Kicinski 	struct ynl_error yerr;
49*4e4dc6dbSJakub Kicinski 	struct ynl_sock *ys;
50*4e4dc6dbSJakub Kicinski 
51*4e4dc6dbSJakub Kicinski 	ys = ynl_sock_create(&ynl_tc_family, &yerr);
52*4e4dc6dbSJakub Kicinski 	if (!ys) {
53*4e4dc6dbSJakub Kicinski 		fprintf(stderr, "YNL: %s\n", yerr.msg);
54*4e4dc6dbSJakub Kicinski 		return 1;
55*4e4dc6dbSJakub Kicinski 	}
56*4e4dc6dbSJakub Kicinski 
57*4e4dc6dbSJakub Kicinski 	req = tc_getqdisc_req_dump_alloc();
58*4e4dc6dbSJakub Kicinski 	if (!req)
59*4e4dc6dbSJakub Kicinski 		goto err_destroy;
60*4e4dc6dbSJakub Kicinski 
61*4e4dc6dbSJakub Kicinski 	rsp = tc_getqdisc_dump(ys, req);
62*4e4dc6dbSJakub Kicinski 	tc_getqdisc_req_dump_free(req);
63*4e4dc6dbSJakub Kicinski 	if (!rsp)
64*4e4dc6dbSJakub Kicinski 		goto err_close;
65*4e4dc6dbSJakub Kicinski 
66*4e4dc6dbSJakub Kicinski 	if (ynl_dump_empty(rsp))
67*4e4dc6dbSJakub Kicinski 		fprintf(stderr, "Error: no addresses reported\n");
68*4e4dc6dbSJakub Kicinski 	ynl_dump_foreach(rsp, qdisc)
69*4e4dc6dbSJakub Kicinski 		tc_qdisc_print(qdisc);
70*4e4dc6dbSJakub Kicinski 	tc_getqdisc_list_free(rsp);
71*4e4dc6dbSJakub Kicinski 
72*4e4dc6dbSJakub Kicinski 	ynl_sock_destroy(ys);
73*4e4dc6dbSJakub Kicinski 	return 0;
74*4e4dc6dbSJakub Kicinski 
75*4e4dc6dbSJakub Kicinski err_close:
76*4e4dc6dbSJakub Kicinski 	fprintf(stderr, "YNL: %s\n", ys->err.msg);
77*4e4dc6dbSJakub Kicinski err_destroy:
78*4e4dc6dbSJakub Kicinski 	ynl_sock_destroy(ys);
79*4e4dc6dbSJakub Kicinski 	return 2;
80*4e4dc6dbSJakub Kicinski }
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