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/* SPDX-License-Identifier: LGPL-2.1-only */
/*
* Copyright (c) 2010 Thomas Graf <tgraf@suug.ch>
*/
#include "nl-default.h"
#include <linux/netlink.h>
#include <netlink/cli/utils.h>
#include <netlink/cli/tc.h>
#include <netlink/cli/qdisc.h>
#include <netlink/cli/link.h>
#include "nl-priv-dynamic-route/nl-priv-dynamic-route.h"
static int quiet = 0;
static void print_usage(void)
{
printf(
"Usage: nl-qdisc-add [OPTIONS]... QDISC [CONFIGURATION]...\n"
"\n"
"OPTIONS\n"
" -q, --quiet Do not print informal notifications.\n"
" -h, --help Show this help text.\n"
" -v, --version Show versioning information.\n"
" --update Update qdisc if it exists.\n"
" --replace Replace or update qdisc if it exists.\n"
" --update-only Only update qdisc, never create it.\n"
" --replace-only Only replace or update qdisc, never create it.\n"
" -d, --dev=DEV Network device the qdisc should be attached to.\n"
" -i, --id=ID ID of new qdisc (default: auto-generated)r\n"
" -p, --parent=ID ID of parent { root | ingress | QDISC-ID }\n"
"\n"
"CONFIGURATION\n"
" -h, --help Show help text of qdisc specific options.\n"
"\n"
"EXAMPLE\n"
" $ nl-qdisc-add --dev=eth1 --parent=root htb --rate=100mbit\n"
"\n"
);
exit(0);
}
int main(int argc, char *argv[])
{
struct nl_sock *sock;
struct rtnl_qdisc *qdisc;
struct rtnl_tc *tc;
struct nl_cache *link_cache;
struct nl_dump_params dp = {
.dp_type = NL_DUMP_DETAILS,
.dp_fd = stdout,
};
struct nl_cli_tc_module *tm;
struct rtnl_tc_ops *ops;
int err, flags = NLM_F_CREATE | NLM_F_EXCL;
char *kind, *id = NULL;
sock = nl_cli_alloc_socket();
nl_cli_connect(sock, NETLINK_ROUTE);
link_cache = nl_cli_link_alloc_cache(sock);
qdisc = nl_cli_qdisc_alloc();
tc = (struct rtnl_tc *) qdisc;
for (;;) {
int c, optidx = 0;
enum {
ARG_REPLACE = 257,
ARG_UPDATE = 258,
ARG_REPLACE_ONLY,
ARG_UPDATE_ONLY,
};
static struct option long_opts[] = {
{ "quiet", 0, 0, 'q' },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ "dev", 1, 0, 'd' },
{ "parent", 1, 0, 'p' },
{ "id", 1, 0, 'i' },
{ "replace", 0, 0, ARG_REPLACE },
{ "update", 0, 0, ARG_UPDATE },
{ "replace-only", 0, 0, ARG_REPLACE_ONLY },
{ "update-only", 0, 0, ARG_UPDATE_ONLY },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "+qhvd:p:i:",
long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case 'q': quiet = 1; break;
case 'h': print_usage(); break;
case 'v': nl_cli_print_version(); break;
case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break;
case 'p': nl_cli_tc_parse_parent(tc, optarg); break;
case 'i': id = strdup(optarg); break;
case ARG_UPDATE: flags = NLM_F_CREATE; break;
case ARG_REPLACE: flags = NLM_F_CREATE | NLM_F_REPLACE; break;
case ARG_UPDATE_ONLY: flags = 0; break;
case ARG_REPLACE_ONLY: flags = NLM_F_REPLACE; break;
}
}
if (optind >= argc)
print_usage();
if (!rtnl_tc_get_ifindex(tc))
nl_cli_fatal(EINVAL, "You must specify a network device (--dev=XXX)");
if (!rtnl_tc_get_parent(tc))
nl_cli_fatal(EINVAL, "You must specify a parent");
if (id) {
nl_cli_tc_parse_handle(tc, id, 1);
free(id);
}
kind = argv[optind++];
rtnl_tc_set_kind(tc, kind);
if (!(ops = rtnl_tc_get_ops(tc)))
nl_cli_fatal(ENOENT, "Unknown qdisc \"%s\"", kind);
if (!(tm = nl_cli_tc_lookup(ops)))
nl_cli_fatal(ENOTSUP, "Qdisc type \"%s\" not supported.", kind);
tm->tm_parse_argv(tc, argc, argv);
if (!quiet) {
printf("Adding ");
nl_object_dump(OBJ_CAST(qdisc), &dp);
}
if ((err = rtnl_qdisc_add(sock, qdisc, flags)) < 0)
nl_cli_fatal(EINVAL, "Unable to add qdisc: %s", nl_geterror(err));
return 0;
}
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