| /* SPDX-License-Identifier: LGPL-2.1-only */ |
| /* |
| * src/nl-qdisc-add.c Add Queueing Discipline |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation version 2.1 |
| * of the License. |
| * |
| * Copyright (c) 2010 Thomas Graf <tgraf@suug.ch> |
| */ |
| |
| #include <netlink/cli/utils.h> |
| #include <netlink/cli/tc.h> |
| #include <netlink/cli/qdisc.h> |
| #include <netlink/cli/link.h> |
| |
| #include <netlink-private/route/tc-api.h> |
| |
| #include <linux/netlink.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; |
| } |