1 /*
2 * iplink_stats.c Extended statistics commands
3 *
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.
8 *
9 * Authors: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
10 */
11
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <string.h>
15 #include <linux/if_link.h>
16 #include <netinet/ether.h>
17
18 #include "utils.h"
19 #include "ip_common.h"
20
print_explain(FILE * f)21 static void print_explain(FILE *f)
22 {
23 fprintf(f, "Usage: ... xstats type TYPE [ ARGS ]\n");
24 }
25
iplink_ifla_xstats(int argc,char ** argv)26 int iplink_ifla_xstats(int argc, char **argv)
27 {
28 struct link_util *lu = NULL;
29 __u32 filt_mask;
30
31 if (!argc) {
32 fprintf(stderr, "xstats: missing argument\n");
33 return -1;
34 }
35
36 if (matches(*argv, "type") == 0) {
37 NEXT_ARG();
38 lu = get_link_kind(*argv);
39 if (!lu)
40 invarg("invalid type", *argv);
41 } else if (matches(*argv, "help") == 0) {
42 print_explain(stdout);
43 return 0;
44 } else {
45 invarg("unknown argument", *argv);
46 }
47
48 if (!lu) {
49 print_explain(stderr);
50 return -1;
51 }
52
53 if (!lu->print_ifla_xstats) {
54 fprintf(stderr, "xstats: link type %s doesn't support xstats\n",
55 lu->id);
56 return -1;
57 }
58
59 if (lu->parse_ifla_xstats &&
60 lu->parse_ifla_xstats(lu, argc-1, argv+1))
61 return -1;
62
63 if (strstr(lu->id, "_slave"))
64 filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_LINK_XSTATS_SLAVE);
65 else
66 filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_LINK_XSTATS);
67
68 if (rtnl_wilddump_stats_req_filter(&rth, AF_UNSPEC,
69 RTM_GETSTATS,
70 filt_mask) < 0) {
71 perror("Cannont send dump request");
72 return -1;
73 }
74
75 if (rtnl_dump_filter(&rth, lu->print_ifla_xstats, stdout) < 0) {
76 fprintf(stderr, "Dump terminated\n");
77 return -1;
78 }
79
80 return 0;
81 }
82