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/* SPDX-License-Identifier: LGPL-2.1-only */
/*
* Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
*/
#include "nl-default.h"
#include <linux/netlink.h>
#include <linux/pkt_sched.h>
#include <netlink/cli/utils.h>
#include <netlink/cli/link.h>
#include <netlink/cli/qdisc.h>
#include <netlink/cli/class.h>
static struct nl_sock *sock;
static struct nl_cache *qdisc_cache, *class_cache;
static struct nl_dump_params params = {
.dp_type = NL_DUMP_DETAILS,
};
static int ifindex;
static void print_qdisc(struct nl_object *, void *);
static void print_tc_childs(struct rtnl_tc *, void *);
static void print_usage(void)
{
printf(
"Usage: nl-tctree-list [OPTION]...\n"
"\n"
"Options\n"
" -f, --format=TYPE Output format { brief | details | stats }\n"
" -h, --help Show this help\n"
" -v, --version Show versioning information\n"
);
exit(0);
}
static void print_class(struct nl_object *obj, void *arg)
{
struct rtnl_qdisc *leaf;
struct rtnl_class *class = (struct rtnl_class *) obj;
struct nl_cache *cls_cache;
uint32_t parent = rtnl_tc_get_handle((struct rtnl_tc *) class);
params.dp_prefix = (int)(long) arg;
nl_object_dump(obj, ¶ms);
leaf = rtnl_class_leaf_qdisc(class, qdisc_cache);
if (leaf)
print_qdisc((struct nl_object *) leaf, (char *) arg + 2);
print_tc_childs(TC_CAST(class), (char *) arg + 2);
if (rtnl_cls_alloc_cache(sock, ifindex, parent, &cls_cache) < 0)
return;
params.dp_prefix = (int)(long) arg + 2;
nl_cache_dump(cls_cache, ¶ms);
nl_cache_free(cls_cache);
}
static void print_tc_childs(struct rtnl_tc *tc, void *arg)
{
struct rtnl_class *filter;
filter = nl_cli_class_alloc();
rtnl_tc_set_parent(TC_CAST(filter), rtnl_tc_get_handle(tc));
rtnl_tc_set_ifindex(TC_CAST(filter), rtnl_tc_get_ifindex(tc));
nl_cache_foreach_filter(class_cache, OBJ_CAST(filter), &print_class, arg);
rtnl_class_put(filter);
}
static void print_qdisc(struct nl_object *obj, void *arg)
{
struct rtnl_qdisc *qdisc = (struct rtnl_qdisc *) obj;
struct nl_cache *cls_cache;
uint32_t parent = rtnl_tc_get_handle((struct rtnl_tc *) qdisc);
params.dp_prefix = (int)(long) arg;
nl_object_dump(obj, ¶ms);
print_tc_childs(TC_CAST(qdisc), (char *) arg + 2);
if (rtnl_cls_alloc_cache(sock, ifindex, parent, &cls_cache) < 0)
return;
params.dp_prefix = (int)(long) arg + 2;
nl_cache_dump(cls_cache, ¶ms);
nl_cache_free(cls_cache);
}
static void print_link(struct nl_object *obj, void *arg)
{
struct rtnl_link *link = (struct rtnl_link *) obj;
struct rtnl_qdisc *qdisc;
ifindex = rtnl_link_get_ifindex(link);
params.dp_prefix = 0;
nl_object_dump(obj, ¶ms);
if (rtnl_class_alloc_cache(sock, ifindex, &class_cache) < 0)
return;
qdisc = rtnl_qdisc_get_by_parent(qdisc_cache, ifindex, TC_H_ROOT);
if (qdisc) {
print_qdisc((struct nl_object *) qdisc, (void *) 2);
rtnl_qdisc_put(qdisc);
}
qdisc = rtnl_qdisc_get_by_parent(qdisc_cache, ifindex, 0);
if (qdisc) {
print_qdisc((struct nl_object *) qdisc, (void *) 2);
rtnl_qdisc_put(qdisc);
}
qdisc = rtnl_qdisc_get_by_parent(qdisc_cache, ifindex, TC_H_INGRESS);
if (qdisc) {
print_qdisc((struct nl_object *) qdisc, (void *) 2);
rtnl_qdisc_put(qdisc);
}
nl_cache_free(class_cache);
}
int main(int argc, char *argv[])
{
struct nl_cache *link_cache;
sock = nl_cli_alloc_socket();
nl_cli_connect(sock, NETLINK_ROUTE);
link_cache = nl_cli_link_alloc_cache(sock);
qdisc_cache = nl_cli_qdisc_alloc_cache(sock);
params.dp_fd = stdout;
for (;;) {
int c, optidx = 0;
static struct option long_opts[] = {
{ "format", 1, 0, 'f' },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "f:hv", long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
case 'h': print_usage(); break;
case 'v': nl_cli_print_version(); break;
}
}
nl_cache_foreach(link_cache, &print_link, NULL);
return 0;
}
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