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v5.9
  1/*
  2 * net/tipc/netlink.c: TIPC configuration handling
  3 *
  4 * Copyright (c) 2005-2006, 2014, Ericsson AB
  5 * Copyright (c) 2005-2007, Wind River Systems
  6 * All rights reserved.
  7 *
  8 * Redistribution and use in source and binary forms, with or without
  9 * modification, are permitted provided that the following conditions are met:
 10 *
 11 * 1. Redistributions of source code must retain the above copyright
 12 *    notice, this list of conditions and the following disclaimer.
 13 * 2. Redistributions in binary form must reproduce the above copyright
 14 *    notice, this list of conditions and the following disclaimer in the
 15 *    documentation and/or other materials provided with the distribution.
 16 * 3. Neither the names of the copyright holders nor the names of its
 17 *    contributors may be used to endorse or promote products derived from
 18 *    this software without specific prior written permission.
 19 *
 20 * Alternatively, this software may be distributed under the terms of the
 21 * GNU General Public License ("GPL") version 2 as published by the Free
 22 * Software Foundation.
 23 *
 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 34 * POSSIBILITY OF SUCH DAMAGE.
 35 */
 36
 37#include "core.h"
 38#include "socket.h"
 39#include "name_table.h"
 40#include "bearer.h"
 41#include "link.h"
 42#include "node.h"
 43#include "net.h"
 44#include "udp_media.h"
 45#include <net/genetlink.h>
 46
 47static const struct nla_policy tipc_nl_policy[TIPC_NLA_MAX + 1] = {
 48	[TIPC_NLA_UNSPEC]	= { .type = NLA_UNSPEC, },
 49	[TIPC_NLA_BEARER]	= { .type = NLA_NESTED, },
 50	[TIPC_NLA_SOCK]		= { .type = NLA_NESTED, },
 51	[TIPC_NLA_PUBL]		= { .type = NLA_NESTED, },
 52	[TIPC_NLA_LINK]		= { .type = NLA_NESTED, },
 53	[TIPC_NLA_MEDIA]	= { .type = NLA_NESTED, },
 54	[TIPC_NLA_NODE]		= { .type = NLA_NESTED, },
 55	[TIPC_NLA_NET]		= { .type = NLA_NESTED, },
 56	[TIPC_NLA_NAME_TABLE]	= { .type = NLA_NESTED, },
 57	[TIPC_NLA_MON]		= { .type = NLA_NESTED, },
 58};
 59
 60const struct nla_policy
 61tipc_nl_name_table_policy[TIPC_NLA_NAME_TABLE_MAX + 1] = {
 62	[TIPC_NLA_NAME_TABLE_UNSPEC]	= { .type = NLA_UNSPEC },
 63	[TIPC_NLA_NAME_TABLE_PUBL]	= { .type = NLA_NESTED }
 64};
 65
 66const struct nla_policy tipc_nl_monitor_policy[TIPC_NLA_MON_MAX + 1] = {
 67	[TIPC_NLA_MON_UNSPEC]			= { .type = NLA_UNSPEC },
 68	[TIPC_NLA_MON_REF]			= { .type = NLA_U32 },
 69	[TIPC_NLA_MON_ACTIVATION_THRESHOLD]	= { .type = NLA_U32 },
 70};
 71
 72const struct nla_policy tipc_nl_sock_policy[TIPC_NLA_SOCK_MAX + 1] = {
 73	[TIPC_NLA_SOCK_UNSPEC]		= { .type = NLA_UNSPEC },
 74	[TIPC_NLA_SOCK_ADDR]		= { .type = NLA_U32 },
 75	[TIPC_NLA_SOCK_REF]		= { .type = NLA_U32 },
 76	[TIPC_NLA_SOCK_CON]		= { .type = NLA_NESTED },
 77	[TIPC_NLA_SOCK_HAS_PUBL]	= { .type = NLA_FLAG }
 78};
 79
 80const struct nla_policy tipc_nl_net_policy[TIPC_NLA_NET_MAX + 1] = {
 81	[TIPC_NLA_NET_UNSPEC]		= { .type = NLA_UNSPEC },
 82	[TIPC_NLA_NET_ID]		= { .type = NLA_U32 },
 83	[TIPC_NLA_NET_ADDR]		= { .type = NLA_U32 },
 84	[TIPC_NLA_NET_NODEID]		= { .type = NLA_U64 },
 85	[TIPC_NLA_NET_NODEID_W1]	= { .type = NLA_U64 },
 86	[TIPC_NLA_NET_ADDR_LEGACY]	= { .type = NLA_FLAG }
 87};
 88
 89const struct nla_policy tipc_nl_link_policy[TIPC_NLA_LINK_MAX + 1] = {
 90	[TIPC_NLA_LINK_UNSPEC]		= { .type = NLA_UNSPEC },
 91	[TIPC_NLA_LINK_NAME]		= { .type = NLA_STRING,
 92					    .len = TIPC_MAX_LINK_NAME },
 93	[TIPC_NLA_LINK_MTU]		= { .type = NLA_U32 },
 94	[TIPC_NLA_LINK_BROADCAST]	= { .type = NLA_FLAG },
 95	[TIPC_NLA_LINK_UP]		= { .type = NLA_FLAG },
 96	[TIPC_NLA_LINK_ACTIVE]		= { .type = NLA_FLAG },
 97	[TIPC_NLA_LINK_PROP]		= { .type = NLA_NESTED },
 98	[TIPC_NLA_LINK_STATS]		= { .type = NLA_NESTED },
 99	[TIPC_NLA_LINK_RX]		= { .type = NLA_U32 },
100	[TIPC_NLA_LINK_TX]		= { .type = NLA_U32 }
101};
102
103const struct nla_policy tipc_nl_node_policy[TIPC_NLA_NODE_MAX + 1] = {
104	[TIPC_NLA_NODE_UNSPEC]		= { .type = NLA_UNSPEC },
105	[TIPC_NLA_NODE_ADDR]		= { .type = NLA_U32 },
106	[TIPC_NLA_NODE_UP]		= { .type = NLA_FLAG },
107	[TIPC_NLA_NODE_ID]		= { .type = NLA_BINARY,
108					    .len = TIPC_NODEID_LEN},
109	[TIPC_NLA_NODE_KEY]		= { .type = NLA_BINARY,
110					    .len = TIPC_AEAD_KEY_SIZE_MAX},
111};
112
113/* Properties valid for media, bearer and link */
114const struct nla_policy tipc_nl_prop_policy[TIPC_NLA_PROP_MAX + 1] = {
115	[TIPC_NLA_PROP_UNSPEC]		= { .type = NLA_UNSPEC },
116	[TIPC_NLA_PROP_PRIO]		= { .type = NLA_U32 },
117	[TIPC_NLA_PROP_TOL]		= { .type = NLA_U32 },
118	[TIPC_NLA_PROP_WIN]		= { .type = NLA_U32 },
119	[TIPC_NLA_PROP_MTU]		= { .type = NLA_U32 },
120	[TIPC_NLA_PROP_BROADCAST]	= { .type = NLA_U32 },
121	[TIPC_NLA_PROP_BROADCAST_RATIO]	= { .type = NLA_U32 }
122};
123
124const struct nla_policy tipc_nl_bearer_policy[TIPC_NLA_BEARER_MAX + 1]	= {
125	[TIPC_NLA_BEARER_UNSPEC]	= { .type = NLA_UNSPEC },
126	[TIPC_NLA_BEARER_NAME]		= { .type = NLA_STRING,
127					    .len = TIPC_MAX_BEARER_NAME },
128	[TIPC_NLA_BEARER_PROP]		= { .type = NLA_NESTED },
129	[TIPC_NLA_BEARER_DOMAIN]	= { .type = NLA_U32 }
130};
131
132const struct nla_policy tipc_nl_media_policy[TIPC_NLA_MEDIA_MAX + 1] = {
133	[TIPC_NLA_MEDIA_UNSPEC]		= { .type = NLA_UNSPEC },
134	[TIPC_NLA_MEDIA_NAME]		= { .type = NLA_STRING },
135	[TIPC_NLA_MEDIA_PROP]		= { .type = NLA_NESTED }
136};
137
138const struct nla_policy tipc_nl_udp_policy[TIPC_NLA_UDP_MAX + 1] = {
139	[TIPC_NLA_UDP_UNSPEC]	= {.type = NLA_UNSPEC},
140	[TIPC_NLA_UDP_LOCAL]	= {.type = NLA_BINARY,
141				   .len = sizeof(struct sockaddr_storage)},
142	[TIPC_NLA_UDP_REMOTE]	= {.type = NLA_BINARY,
143				   .len = sizeof(struct sockaddr_storage)},
144};
145
146/* Users of the legacy API (tipc-config) can't handle that we add operations,
147 * so we have a separate genl handling for the new API.
148 */
 
 
 
 
 
 
 
 
 
149static const struct genl_ops tipc_genl_v2_ops[] = {
150	{
151		.cmd	= TIPC_NL_BEARER_DISABLE,
152		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
153		.doit	= tipc_nl_bearer_disable,
 
154	},
155	{
156		.cmd	= TIPC_NL_BEARER_ENABLE,
157		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
158		.doit	= tipc_nl_bearer_enable,
 
159	},
160	{
161		.cmd	= TIPC_NL_BEARER_GET,
162		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
163		.doit	= tipc_nl_bearer_get,
164		.dumpit	= tipc_nl_bearer_dump,
165	},
166	{
167		.cmd	= TIPC_NL_BEARER_ADD,
168		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
169		.doit	= tipc_nl_bearer_add,
170	},
171	{
172		.cmd	= TIPC_NL_BEARER_SET,
173		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
174		.doit	= tipc_nl_bearer_set,
 
175	},
176	{
177		.cmd	= TIPC_NL_SOCK_GET,
178		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
179		.start = tipc_dump_start,
180		.dumpit	= tipc_nl_sk_dump,
181		.done	= tipc_dump_done,
182	},
183	{
184		.cmd	= TIPC_NL_PUBL_GET,
185		.validate = GENL_DONT_VALIDATE_STRICT |
186			    GENL_DONT_VALIDATE_DUMP_STRICT,
187		.dumpit	= tipc_nl_publ_dump,
 
188	},
189	{
190		.cmd	= TIPC_NL_LINK_GET,
191		.validate = GENL_DONT_VALIDATE_STRICT,
192		.doit   = tipc_nl_node_get_link,
193		.dumpit	= tipc_nl_node_dump_link,
 
194	},
195	{
196		.cmd	= TIPC_NL_LINK_SET,
197		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
198		.doit	= tipc_nl_node_set_link,
 
199	},
200	{
201		.cmd	= TIPC_NL_LINK_RESET_STATS,
202		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
203		.doit   = tipc_nl_node_reset_link_stats,
 
204	},
205	{
206		.cmd	= TIPC_NL_MEDIA_GET,
207		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
208		.doit	= tipc_nl_media_get,
209		.dumpit	= tipc_nl_media_dump,
 
210	},
211	{
212		.cmd	= TIPC_NL_MEDIA_SET,
213		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
214		.doit	= tipc_nl_media_set,
 
215	},
216	{
217		.cmd	= TIPC_NL_NODE_GET,
218		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
219		.dumpit	= tipc_nl_node_dump,
 
220	},
221	{
222		.cmd	= TIPC_NL_NET_GET,
223		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
224		.dumpit	= tipc_nl_net_dump,
 
225	},
226	{
227		.cmd	= TIPC_NL_NET_SET,
228		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
229		.doit	= tipc_nl_net_set,
 
230	},
231	{
232		.cmd	= TIPC_NL_NAME_TABLE_GET,
233		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
234		.dumpit	= tipc_nl_name_table_dump,
235	},
236	{
237		.cmd	= TIPC_NL_MON_SET,
238		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
239		.doit	= tipc_nl_node_set_monitor,
240	},
241	{
242		.cmd	= TIPC_NL_MON_GET,
243		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
244		.doit	= tipc_nl_node_get_monitor,
245		.dumpit	= tipc_nl_node_dump_monitor,
246	},
247	{
248		.cmd	= TIPC_NL_MON_PEER_GET,
249		.validate = GENL_DONT_VALIDATE_STRICT |
250			    GENL_DONT_VALIDATE_DUMP_STRICT,
251		.dumpit	= tipc_nl_node_dump_monitor_peer,
252	},
253	{
254		.cmd	= TIPC_NL_PEER_REMOVE,
255		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
256		.doit	= tipc_nl_peer_rm,
257	},
258#ifdef CONFIG_TIPC_MEDIA_UDP
259	{
260		.cmd	= TIPC_NL_UDP_GET_REMOTEIP,
261		.validate = GENL_DONT_VALIDATE_STRICT |
262			    GENL_DONT_VALIDATE_DUMP_STRICT,
263		.dumpit	= tipc_udp_nl_dump_remoteip,
264	},
265#endif
266#ifdef CONFIG_TIPC_CRYPTO
267	{
268		.cmd	= TIPC_NL_KEY_SET,
269		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
270		.doit	= tipc_nl_node_set_key,
271	},
272	{
273		.cmd	= TIPC_NL_KEY_FLUSH,
274		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
275		.doit	= tipc_nl_node_flush_key,
276	},
277#endif
278	{
279		.cmd	= TIPC_NL_ADDR_LEGACY_GET,
280		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
281		.doit	= tipc_nl_net_addr_legacy_get,
282	},
283};
284
285struct genl_family tipc_genl_family __ro_after_init = {
286	.name		= TIPC_GENL_V2_NAME,
287	.version	= TIPC_GENL_V2_VERSION,
288	.hdrsize	= 0,
289	.maxattr	= TIPC_NLA_MAX,
290	.policy		= tipc_nl_policy,
291	.netnsok	= true,
292	.module		= THIS_MODULE,
293	.ops		= tipc_genl_v2_ops,
294	.n_ops		= ARRAY_SIZE(tipc_genl_v2_ops),
295};
296
297int __init tipc_netlink_start(void)
298{
299	int res;
300
301	res = genl_register_family(&tipc_genl_family);
 
302	if (res) {
303		pr_err("Failed to register netlink interface\n");
304		return res;
305	}
306	return 0;
307}
308
309void tipc_netlink_stop(void)
310{
311	genl_unregister_family(&tipc_genl_family);
312}
v4.6
  1/*
  2 * net/tipc/netlink.c: TIPC configuration handling
  3 *
  4 * Copyright (c) 2005-2006, 2014, Ericsson AB
  5 * Copyright (c) 2005-2007, Wind River Systems
  6 * All rights reserved.
  7 *
  8 * Redistribution and use in source and binary forms, with or without
  9 * modification, are permitted provided that the following conditions are met:
 10 *
 11 * 1. Redistributions of source code must retain the above copyright
 12 *    notice, this list of conditions and the following disclaimer.
 13 * 2. Redistributions in binary form must reproduce the above copyright
 14 *    notice, this list of conditions and the following disclaimer in the
 15 *    documentation and/or other materials provided with the distribution.
 16 * 3. Neither the names of the copyright holders nor the names of its
 17 *    contributors may be used to endorse or promote products derived from
 18 *    this software without specific prior written permission.
 19 *
 20 * Alternatively, this software may be distributed under the terms of the
 21 * GNU General Public License ("GPL") version 2 as published by the Free
 22 * Software Foundation.
 23 *
 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 34 * POSSIBILITY OF SUCH DAMAGE.
 35 */
 36
 37#include "core.h"
 38#include "socket.h"
 39#include "name_table.h"
 40#include "bearer.h"
 41#include "link.h"
 42#include "node.h"
 43#include "net.h"
 
 44#include <net/genetlink.h>
 45
 46static const struct nla_policy tipc_nl_policy[TIPC_NLA_MAX + 1] = {
 47	[TIPC_NLA_UNSPEC]	= { .type = NLA_UNSPEC, },
 48	[TIPC_NLA_BEARER]	= { .type = NLA_NESTED, },
 49	[TIPC_NLA_SOCK]		= { .type = NLA_NESTED, },
 50	[TIPC_NLA_PUBL]		= { .type = NLA_NESTED, },
 51	[TIPC_NLA_LINK]		= { .type = NLA_NESTED, },
 52	[TIPC_NLA_MEDIA]	= { .type = NLA_NESTED, },
 53	[TIPC_NLA_NODE]		= { .type = NLA_NESTED, },
 54	[TIPC_NLA_NET]		= { .type = NLA_NESTED, },
 55	[TIPC_NLA_NAME_TABLE]	= { .type = NLA_NESTED, }
 
 56};
 57
 58const struct nla_policy
 59tipc_nl_name_table_policy[TIPC_NLA_NAME_TABLE_MAX + 1] = {
 60	[TIPC_NLA_NAME_TABLE_UNSPEC]	= { .type = NLA_UNSPEC },
 61	[TIPC_NLA_NAME_TABLE_PUBL]	= { .type = NLA_NESTED }
 62};
 63
 
 
 
 
 
 
 64const struct nla_policy tipc_nl_sock_policy[TIPC_NLA_SOCK_MAX + 1] = {
 65	[TIPC_NLA_SOCK_UNSPEC]		= { .type = NLA_UNSPEC },
 66	[TIPC_NLA_SOCK_ADDR]		= { .type = NLA_U32 },
 67	[TIPC_NLA_SOCK_REF]		= { .type = NLA_U32 },
 68	[TIPC_NLA_SOCK_CON]		= { .type = NLA_NESTED },
 69	[TIPC_NLA_SOCK_HAS_PUBL]	= { .type = NLA_FLAG }
 70};
 71
 72const struct nla_policy tipc_nl_net_policy[TIPC_NLA_NET_MAX + 1] = {
 73	[TIPC_NLA_NET_UNSPEC]		= { .type = NLA_UNSPEC },
 74	[TIPC_NLA_NET_ID]		= { .type = NLA_U32 }
 
 
 
 
 75};
 76
 77const struct nla_policy tipc_nl_link_policy[TIPC_NLA_LINK_MAX + 1] = {
 78	[TIPC_NLA_LINK_UNSPEC]		= { .type = NLA_UNSPEC },
 79	[TIPC_NLA_LINK_NAME]		= { .type = NLA_STRING,
 80					    .len = TIPC_MAX_LINK_NAME },
 81	[TIPC_NLA_LINK_MTU]		= { .type = NLA_U32 },
 82	[TIPC_NLA_LINK_BROADCAST]	= { .type = NLA_FLAG },
 83	[TIPC_NLA_LINK_UP]		= { .type = NLA_FLAG },
 84	[TIPC_NLA_LINK_ACTIVE]		= { .type = NLA_FLAG },
 85	[TIPC_NLA_LINK_PROP]		= { .type = NLA_NESTED },
 86	[TIPC_NLA_LINK_STATS]		= { .type = NLA_NESTED },
 87	[TIPC_NLA_LINK_RX]		= { .type = NLA_U32 },
 88	[TIPC_NLA_LINK_TX]		= { .type = NLA_U32 }
 89};
 90
 91const struct nla_policy tipc_nl_node_policy[TIPC_NLA_NODE_MAX + 1] = {
 92	[TIPC_NLA_NODE_UNSPEC]		= { .type = NLA_UNSPEC },
 93	[TIPC_NLA_NODE_ADDR]		= { .type = NLA_U32 },
 94	[TIPC_NLA_NODE_UP]		= { .type = NLA_FLAG }
 
 
 
 
 95};
 96
 97/* Properties valid for media, bearer and link */
 98const struct nla_policy tipc_nl_prop_policy[TIPC_NLA_PROP_MAX + 1] = {
 99	[TIPC_NLA_PROP_UNSPEC]		= { .type = NLA_UNSPEC },
100	[TIPC_NLA_PROP_PRIO]		= { .type = NLA_U32 },
101	[TIPC_NLA_PROP_TOL]		= { .type = NLA_U32 },
102	[TIPC_NLA_PROP_WIN]		= { .type = NLA_U32 }
 
 
 
103};
104
105const struct nla_policy tipc_nl_bearer_policy[TIPC_NLA_BEARER_MAX + 1]	= {
106	[TIPC_NLA_BEARER_UNSPEC]	= { .type = NLA_UNSPEC },
107	[TIPC_NLA_BEARER_NAME]		= { .type = NLA_STRING,
108					    .len = TIPC_MAX_BEARER_NAME },
109	[TIPC_NLA_BEARER_PROP]		= { .type = NLA_NESTED },
110	[TIPC_NLA_BEARER_DOMAIN]	= { .type = NLA_U32 }
111};
112
113const struct nla_policy tipc_nl_media_policy[TIPC_NLA_MEDIA_MAX + 1] = {
114	[TIPC_NLA_MEDIA_UNSPEC]		= { .type = NLA_UNSPEC },
115	[TIPC_NLA_MEDIA_NAME]		= { .type = NLA_STRING },
116	[TIPC_NLA_MEDIA_PROP]		= { .type = NLA_NESTED }
117};
118
119const struct nla_policy tipc_nl_udp_policy[TIPC_NLA_UDP_MAX + 1] = {
120	[TIPC_NLA_UDP_UNSPEC]	= {.type = NLA_UNSPEC},
121	[TIPC_NLA_UDP_LOCAL]	= {.type = NLA_BINARY,
122				   .len = sizeof(struct sockaddr_storage)},
123	[TIPC_NLA_UDP_REMOTE]	= {.type = NLA_BINARY,
124				   .len = sizeof(struct sockaddr_storage)},
125};
126
127/* Users of the legacy API (tipc-config) can't handle that we add operations,
128 * so we have a separate genl handling for the new API.
129 */
130struct genl_family tipc_genl_family = {
131	.id		= GENL_ID_GENERATE,
132	.name		= TIPC_GENL_V2_NAME,
133	.version	= TIPC_GENL_V2_VERSION,
134	.hdrsize	= 0,
135	.maxattr	= TIPC_NLA_MAX,
136	.netnsok	= true,
137};
138
139static const struct genl_ops tipc_genl_v2_ops[] = {
140	{
141		.cmd	= TIPC_NL_BEARER_DISABLE,
 
142		.doit	= tipc_nl_bearer_disable,
143		.policy = tipc_nl_policy,
144	},
145	{
146		.cmd	= TIPC_NL_BEARER_ENABLE,
 
147		.doit	= tipc_nl_bearer_enable,
148		.policy = tipc_nl_policy,
149	},
150	{
151		.cmd	= TIPC_NL_BEARER_GET,
 
152		.doit	= tipc_nl_bearer_get,
153		.dumpit	= tipc_nl_bearer_dump,
154		.policy = tipc_nl_policy,
 
 
 
 
155	},
156	{
157		.cmd	= TIPC_NL_BEARER_SET,
 
158		.doit	= tipc_nl_bearer_set,
159		.policy = tipc_nl_policy,
160	},
161	{
162		.cmd	= TIPC_NL_SOCK_GET,
 
 
163		.dumpit	= tipc_nl_sk_dump,
164		.policy = tipc_nl_policy,
165	},
166	{
167		.cmd	= TIPC_NL_PUBL_GET,
 
 
168		.dumpit	= tipc_nl_publ_dump,
169		.policy = tipc_nl_policy,
170	},
171	{
172		.cmd	= TIPC_NL_LINK_GET,
 
173		.doit   = tipc_nl_node_get_link,
174		.dumpit	= tipc_nl_node_dump_link,
175		.policy = tipc_nl_policy,
176	},
177	{
178		.cmd	= TIPC_NL_LINK_SET,
 
179		.doit	= tipc_nl_node_set_link,
180		.policy = tipc_nl_policy,
181	},
182	{
183		.cmd	= TIPC_NL_LINK_RESET_STATS,
 
184		.doit   = tipc_nl_node_reset_link_stats,
185		.policy = tipc_nl_policy,
186	},
187	{
188		.cmd	= TIPC_NL_MEDIA_GET,
 
189		.doit	= tipc_nl_media_get,
190		.dumpit	= tipc_nl_media_dump,
191		.policy = tipc_nl_policy,
192	},
193	{
194		.cmd	= TIPC_NL_MEDIA_SET,
 
195		.doit	= tipc_nl_media_set,
196		.policy = tipc_nl_policy,
197	},
198	{
199		.cmd	= TIPC_NL_NODE_GET,
 
200		.dumpit	= tipc_nl_node_dump,
201		.policy = tipc_nl_policy,
202	},
203	{
204		.cmd	= TIPC_NL_NET_GET,
 
205		.dumpit	= tipc_nl_net_dump,
206		.policy = tipc_nl_policy,
207	},
208	{
209		.cmd	= TIPC_NL_NET_SET,
 
210		.doit	= tipc_nl_net_set,
211		.policy = tipc_nl_policy,
212	},
213	{
214		.cmd	= TIPC_NL_NAME_TABLE_GET,
 
215		.dumpit	= tipc_nl_name_table_dump,
216		.policy = tipc_nl_policy,
217	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
218};
219
220int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr)
221{
222	u32 maxattr = tipc_genl_family.maxattr;
223
224	*attr = tipc_genl_family.attrbuf;
225	if (!*attr)
226		return -EOPNOTSUPP;
227
228	return nlmsg_parse(nlh, GENL_HDRLEN, *attr, maxattr, tipc_nl_policy);
229}
 
230
231int tipc_netlink_start(void)
232{
233	int res;
234
235	res = genl_register_family_with_ops(&tipc_genl_family,
236					    tipc_genl_v2_ops);
237	if (res) {
238		pr_err("Failed to register netlink interface\n");
239		return res;
240	}
241	return 0;
242}
243
244void tipc_netlink_stop(void)
245{
246	genl_unregister_family(&tipc_genl_family);
247}