1 /*
2 * src/nl-tctree-list.c List Traffic Control Tree
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation version 2.1
7 * of the License.
8 *
9 * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
10 */
11
12 #include <netlink/cli/utils.h>
13 #include <netlink/cli/link.h>
14 #include <netlink/cli/qdisc.h>
15 #include <netlink/cli/class.h>
16 #include <linux/pkt_sched.h>
17
18 static struct nl_sock *sock;
19 static struct nl_cache *qdisc_cache, *class_cache;
20 static struct nl_dump_params params = {
21 .dp_type = NL_DUMP_DETAILS,
22 };
23
24 static int ifindex;
25 static void print_qdisc(struct nl_object *, void *);
26 static void print_tc_childs(struct rtnl_tc *, void *);
27
print_usage(void)28 static void print_usage(void)
29 {
30 printf(
31 "Usage: nl-tctree-list [OPTION]...\n"
32 "\n"
33 "Options\n"
34 " -f, --format=TYPE Output format { brief | details | stats }\n"
35 " -h, --help Show this help\n"
36 " -v, --version Show versioning information\n"
37 );
38 exit(0);
39 }
40
print_class(struct nl_object * obj,void * arg)41 static void print_class(struct nl_object *obj, void *arg)
42 {
43 struct rtnl_qdisc *leaf;
44 struct rtnl_class *class = (struct rtnl_class *) obj;
45 struct nl_cache *cls_cache;
46 uint32_t parent = rtnl_tc_get_handle((struct rtnl_tc *) class);
47
48 params.dp_prefix = (int)(long) arg;
49 nl_object_dump(obj, ¶ms);
50
51 leaf = rtnl_class_leaf_qdisc(class, qdisc_cache);
52 if (leaf)
53 print_qdisc((struct nl_object *) leaf, arg + 2);
54
55 print_tc_childs(TC_CAST(class), arg + 2);
56
57 if (rtnl_cls_alloc_cache(sock, ifindex, parent, &cls_cache) < 0)
58 return;
59
60 params.dp_prefix = (int)(long) arg + 2;
61 nl_cache_dump(cls_cache, ¶ms);
62 nl_cache_free(cls_cache);
63 }
64
print_tc_childs(struct rtnl_tc * tc,void * arg)65 static void print_tc_childs(struct rtnl_tc *tc, void *arg)
66 {
67 struct rtnl_class *filter;
68
69 filter = nl_cli_class_alloc();
70
71 rtnl_tc_set_parent(TC_CAST(filter), rtnl_tc_get_handle(tc));
72 rtnl_tc_set_ifindex(TC_CAST(filter), rtnl_tc_get_ifindex(tc));
73
74 nl_cache_foreach_filter(class_cache, OBJ_CAST(filter), &print_class, arg);
75
76 rtnl_class_put(filter);
77 }
78
print_qdisc(struct nl_object * obj,void * arg)79 static void print_qdisc(struct nl_object *obj, void *arg)
80 {
81 struct rtnl_qdisc *qdisc = (struct rtnl_qdisc *) obj;
82 struct nl_cache *cls_cache;
83 uint32_t parent = rtnl_tc_get_handle((struct rtnl_tc *) qdisc);
84
85 params.dp_prefix = (int)(long) arg;
86 nl_object_dump(obj, ¶ms);
87
88 print_tc_childs(TC_CAST(qdisc), arg + 2);
89
90 if (rtnl_cls_alloc_cache(sock, ifindex, parent, &cls_cache) < 0)
91 return;
92
93 params.dp_prefix = (int)(long) arg + 2;
94 nl_cache_dump(cls_cache, ¶ms);
95 nl_cache_free(cls_cache);
96 }
97
print_link(struct nl_object * obj,void * arg)98 static void print_link(struct nl_object *obj, void *arg)
99 {
100 struct rtnl_link *link = (struct rtnl_link *) obj;
101 struct rtnl_qdisc *qdisc;
102
103 ifindex = rtnl_link_get_ifindex(link);
104 params.dp_prefix = 0;
105 nl_object_dump(obj, ¶ms);
106
107 if (rtnl_class_alloc_cache(sock, ifindex, &class_cache) < 0)
108 return;
109
110 qdisc = rtnl_qdisc_get_by_parent(qdisc_cache, ifindex, TC_H_ROOT);
111 if (qdisc) {
112 print_qdisc((struct nl_object *) qdisc, (void *) 2);
113 rtnl_qdisc_put(qdisc);
114 }
115
116 qdisc = rtnl_qdisc_get_by_parent(qdisc_cache, ifindex, 0);
117 if (qdisc) {
118 print_qdisc((struct nl_object *) qdisc, (void *) 2);
119 rtnl_qdisc_put(qdisc);
120 }
121
122 qdisc = rtnl_qdisc_get_by_parent(qdisc_cache, ifindex, TC_H_INGRESS);
123 if (qdisc) {
124 print_qdisc((struct nl_object *) qdisc, (void *) 2);
125 rtnl_qdisc_put(qdisc);
126 }
127
128 nl_cache_free(class_cache);
129 }
130
main(int argc,char * argv[])131 int main(int argc, char *argv[])
132 {
133 struct nl_cache *link_cache;
134
135 sock = nl_cli_alloc_socket();
136 nl_cli_connect(sock, NETLINK_ROUTE);
137 link_cache = nl_cli_link_alloc_cache(sock);
138 qdisc_cache = nl_cli_qdisc_alloc_cache(sock);
139
140 params.dp_fd = stdout;
141
142 for (;;) {
143 int c, optidx = 0;
144 static struct option long_opts[] = {
145 { "format", 1, 0, 'f' },
146 { "help", 0, 0, 'h' },
147 { "version", 0, 0, 'v' },
148 { 0, 0, 0, 0 }
149 };
150
151 c = getopt_long(argc, argv, "f:hv", long_opts, &optidx);
152 if (c == -1)
153 break;
154
155 switch (c) {
156 case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
157 case 'h': print_usage(); break;
158 case 'v': nl_cli_print_version(); break;
159 }
160 }
161
162 nl_cache_foreach(link_cache, &print_link, NULL);
163
164 return 0;
165 }
166