1054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart/*
2054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart * src/nl-class-add.c     Add/Update/Replace Traffic Class
3054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart *
4054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart *	This library is free software; you can redistribute it and/or
5054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart *	modify it under the terms of the GNU Lesser General Public
6054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart *	License as published by the Free Software Foundation version 2.1
7054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart *	of the License.
8054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart *
9054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart * Copyright (c) 2010 Thomas Graf <tgraf@suug.ch>
10054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart */
11054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
12054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart#include <netlink/cli/utils.h>
13054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart#include <netlink/cli/tc.h>
14054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart#include <netlink/cli/qdisc.h>
15054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart#include <netlink/cli/class.h>
16054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart#include <netlink/cli/link.h>
17054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
18054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart#include <netlink-private/route/tc-api.h>
19054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
20054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewartstatic int quiet = 0;
21054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
22054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewartstatic void print_usage(void)
23054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart{
24054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	printf(
25054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"Usage: nl-class-add [OPTIONS]... class [CONFIGURATION]...\n"
26054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"\n"
27054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"OPTIONS\n"
28054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart" -q, --quiet               Do not print informal notifications.\n"
29054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart" -h, --help                Show this help text.\n"
30054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart" -v, --version             Show versioning information.\n"
31054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"     --update              Update class if it exists.\n"
32054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"     --update-only         Only update class, never create it.\n"
33054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart" -d, --dev=DEV             Network device the class should be attached to.\n"
34054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart" -i, --id=ID               ID of new class (default: auto-generated)\n"
35054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart" -p, --parent=ID           ID of parent { root | ingress | class-ID }\n"
36054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"     --mtu=SIZE            Overwrite MTU (default: MTU of network device)\n"
37054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"     --mpu=SIZE            Minimum packet size on the link (default: 0).\n"
38054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"     --overhead=SIZE       Overhead in bytes per packet (default: 0).\n"
39054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"     --linktype=TYPE       Overwrite linktype (default: type of network device)\n"
40054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"\n"
41054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"CONFIGURATION\n"
42054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart" -h, --help                Show help text of class specific options.\n"
43054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"\n"
44054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"EXAMPLE\n"
45054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"   $ nl-class-add --dev=eth1 --parent=root htb --rate=100mbit\n"
46054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart"\n"
47054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	);
48054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	exit(0);
49054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart}
50054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
51054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewartint main(int argc, char *argv[])
52054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart{
53054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	struct nl_sock *sock;
54054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	struct rtnl_class *class;
55054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	struct rtnl_tc *tc;
56054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	struct nl_cache *link_cache;
57054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	struct nl_dump_params dp = {
58054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		.dp_type = NL_DUMP_DETAILS,
59054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		.dp_fd = stdout,
60054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	};
61054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	struct nl_cli_tc_module *tm;
62054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	struct rtnl_tc_ops *ops;
63054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	int err, flags = NLM_F_CREATE | NLM_F_EXCL;
64054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	char *kind, *id = NULL;
65054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
66054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	sock = nl_cli_alloc_socket();
67054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	nl_cli_connect(sock, NETLINK_ROUTE);
68054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
69054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	link_cache = nl_cli_link_alloc_cache(sock);
70054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
71054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart 	class = nl_cli_class_alloc();
72054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	tc = (struct rtnl_tc *) class;
73054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
74054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	for (;;) {
75054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		int c, optidx = 0;
76054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		enum {
77054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			ARG_UPDATE = 257,
78054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			ARG_UPDATE_ONLY = 258,
79054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			ARG_MTU,
80054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			ARG_MPU,
81054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			ARG_OVERHEAD,
82054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			ARG_LINKTYPE,
83054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		};
84054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		static struct option long_opts[] = {
85054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "quiet", 0, 0, 'q' },
86054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "help", 0, 0, 'h' },
87054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "version", 0, 0, 'v' },
88054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "dev", 1, 0, 'd' },
89054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "parent", 1, 0, 'p' },
90054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "id", 1, 0, 'i' },
91054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "update", 0, 0, ARG_UPDATE },
92054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "update-only", 0, 0, ARG_UPDATE_ONLY },
93054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "mtu", 1, 0, ARG_MTU },
94054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "mpu", 1, 0, ARG_MPU },
95054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "overhead", 1, 0, ARG_OVERHEAD },
96054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ "linktype", 1, 0, ARG_LINKTYPE },
97054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			{ 0, 0, 0, 0 }
98054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		};
99054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
100054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		c = getopt_long(argc, argv, "+qhvd:p:i:",
101054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart				long_opts, &optidx);
102054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		if (c == -1)
103054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart			break;
104054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
105054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		switch (c) {
106054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case 'q': quiet = 1; break;
107054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case 'h': print_usage(); break;
108054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case 'v': nl_cli_print_version(); break;
109054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break;
110054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case 'p': nl_cli_tc_parse_parent(tc, optarg); break;
111054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case 'i': id = strdup(optarg); break;
112054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case ARG_UPDATE: flags = NLM_F_CREATE; break;
113054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case ARG_UPDATE_ONLY: flags = 0; break;
114054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case ARG_MTU: nl_cli_tc_parse_mtu(tc, optarg); break;
115054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case ARG_MPU: nl_cli_tc_parse_mpu(tc, optarg); break;
116054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case ARG_OVERHEAD: nl_cli_tc_parse_overhead(tc, optarg); break;
117054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		case ARG_LINKTYPE: nl_cli_tc_parse_linktype(tc, optarg); break;
118054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		}
119054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart 	}
120054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
121054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	if (optind >= argc)
122054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		print_usage();
123054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
124054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	if (!rtnl_tc_get_ifindex(tc))
125054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		nl_cli_fatal(EINVAL, "You must specify a network device (--dev=XXX)");
126054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
127054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	if (!rtnl_tc_get_parent(tc))
128054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		nl_cli_fatal(EINVAL, "You must specify a parent (--parent=XXX)");
129054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
130054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	if (id) {
131054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		nl_cli_tc_parse_handle(tc, id, 1);
132054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		free(id);
133054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	}
134054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
135054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	kind = argv[optind++];
136054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	rtnl_tc_set_kind(tc, kind);
137054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
138054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	if (!(ops = rtnl_tc_get_ops(tc)))
139054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		nl_cli_fatal(ENOENT, "Unknown class \"%s\"", kind);
140054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
141054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	if (!(tm = nl_cli_tc_lookup(ops)))
142054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		nl_cli_fatal(ENOTSUP, "class type \"%s\" not supported.", kind);
143054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
144054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	tm->tm_parse_argv(tc, argc, argv);
145054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
146054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	if (!quiet) {
147054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		printf("Adding ");
148054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		nl_object_dump(OBJ_CAST(class), &dp);
149054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart 	}
150054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
151054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	if ((err = rtnl_class_add(sock, class, flags)) < 0)
152054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart		nl_cli_fatal(EINVAL, "Unable to add class: %s", nl_geterror(err));
153054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart
154054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart	return 0;
155054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart}
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