blob: 64cb6acbe0a64bf8da5c5b03c1874b9e886f369f [file] [log] [blame]
Matthias Schiffer09748a22016-05-09 18:41:08 +02001/* Copyright (C) 2016 B.A.T.M.A.N. contributors:
2 *
3 * Matthias Schiffer
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of version 2 of the GNU General Public
7 * License as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include "netlink.h"
19#include "main.h"
20
Sven Eckelmannf32ed4b2016-07-03 13:31:38 +020021#include <linux/atomic.h>
Sven Eckelmann8dad6f0d2016-07-03 13:31:46 +020022#include <linux/byteorder/generic.h>
Matthias Schiffer5da0aef2016-05-09 18:41:09 +020023#include <linux/errno.h>
24#include <linux/fs.h>
Matthias Schiffer09748a22016-05-09 18:41:08 +020025#include <linux/genetlink.h>
Matthias Schiffer5da0aef2016-05-09 18:41:09 +020026#include <linux/if_ether.h>
Matthias Schiffer09748a22016-05-09 18:41:08 +020027#include <linux/init.h>
Matthias Schiffer5da0aef2016-05-09 18:41:09 +020028#include <linux/netdevice.h>
29#include <linux/netlink.h>
Matthias Schiffer09748a22016-05-09 18:41:08 +020030#include <linux/printk.h>
Matthias Schifferb60620c2016-07-03 13:31:36 +020031#include <linux/rculist.h>
32#include <linux/rcupdate.h>
33#include <linux/skbuff.h>
Matthias Schiffer5da0aef2016-05-09 18:41:09 +020034#include <linux/stddef.h>
Antonio Quartulli33a3bb42016-05-05 13:09:43 +020035#include <linux/types.h>
Matthias Schiffer09748a22016-05-09 18:41:08 +020036#include <net/genetlink.h>
Matthias Schiffer5da0aef2016-05-09 18:41:09 +020037#include <net/netlink.h>
Matthias Schifferb60620c2016-07-03 13:31:36 +020038#include <net/sock.h>
Matthias Schiffer09748a22016-05-09 18:41:08 +020039#include <uapi/linux/batman_adv.h>
40
Matthias Schiffer07a30612016-07-03 13:31:35 +020041#include "bat_algo.h"
Andrew Lunn04f3f5b2016-07-03 13:31:45 +020042#include "bridge_loop_avoidance.h"
Sven Eckelmannd7129da2016-07-03 13:31:42 +020043#include "gateway_client.h"
Matthias Schiffer5da0aef2016-05-09 18:41:09 +020044#include "hard-interface.h"
Matthias Schiffer85cf8c82016-07-03 13:31:39 +020045#include "originator.h"
Sven Eckelmann8dad6f0d2016-07-03 13:31:46 +020046#include "packet.h"
Matthias Schiffer5da0aef2016-05-09 18:41:09 +020047#include "soft-interface.h"
Antonio Quartulli33a3bb42016-05-05 13:09:43 +020048#include "tp_meter.h"
Matthias Schifferd34f0552016-07-03 13:31:37 +020049#include "translation-table.h"
Matthias Schiffer5da0aef2016-05-09 18:41:09 +020050
Matthias Schiffer07a30612016-07-03 13:31:35 +020051struct genl_family batadv_netlink_family = {
Matthias Schiffer09748a22016-05-09 18:41:08 +020052 .id = GENL_ID_GENERATE,
53 .hdrsize = 0,
54 .name = BATADV_NL_NAME,
55 .version = 1,
56 .maxattr = BATADV_ATTR_MAX,
Andrew Lunn4c09a082016-07-03 13:31:48 +020057 .netnsok = true,
Matthias Schiffer09748a22016-05-09 18:41:08 +020058};
59
Antonio Quartulli33a3bb42016-05-05 13:09:43 +020060/* multicast groups */
61enum batadv_netlink_multicast_groups {
62 BATADV_NL_MCGRP_TPMETER,
63};
64
stephen hemmingerdeeb91f2016-08-31 15:17:00 -070065static const struct genl_multicast_group batadv_netlink_mcgrps[] = {
Antonio Quartulli33a3bb42016-05-05 13:09:43 +020066 [BATADV_NL_MCGRP_TPMETER] = { .name = BATADV_NL_MCAST_GROUP_TPMETER },
67};
68
stephen hemmingerdeeb91f2016-08-31 15:17:00 -070069static const struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = {
Matthias Schiffer5da0aef2016-05-09 18:41:09 +020070 [BATADV_ATTR_VERSION] = { .type = NLA_STRING },
71 [BATADV_ATTR_ALGO_NAME] = { .type = NLA_STRING },
72 [BATADV_ATTR_MESH_IFINDEX] = { .type = NLA_U32 },
73 [BATADV_ATTR_MESH_IFNAME] = { .type = NLA_STRING },
74 [BATADV_ATTR_MESH_ADDRESS] = { .len = ETH_ALEN },
75 [BATADV_ATTR_HARD_IFINDEX] = { .type = NLA_U32 },
76 [BATADV_ATTR_HARD_IFNAME] = { .type = NLA_STRING },
77 [BATADV_ATTR_HARD_ADDRESS] = { .len = ETH_ALEN },
Antonio Quartulli33a3bb42016-05-05 13:09:43 +020078 [BATADV_ATTR_ORIG_ADDRESS] = { .len = ETH_ALEN },
79 [BATADV_ATTR_TPMETER_RESULT] = { .type = NLA_U8 },
80 [BATADV_ATTR_TPMETER_TEST_TIME] = { .type = NLA_U32 },
81 [BATADV_ATTR_TPMETER_BYTES] = { .type = NLA_U64 },
82 [BATADV_ATTR_TPMETER_COOKIE] = { .type = NLA_U32 },
Matthias Schifferb60620c2016-07-03 13:31:36 +020083 [BATADV_ATTR_ACTIVE] = { .type = NLA_FLAG },
Matthias Schifferd34f0552016-07-03 13:31:37 +020084 [BATADV_ATTR_TT_ADDRESS] = { .len = ETH_ALEN },
85 [BATADV_ATTR_TT_TTVN] = { .type = NLA_U8 },
86 [BATADV_ATTR_TT_LAST_TTVN] = { .type = NLA_U8 },
87 [BATADV_ATTR_TT_CRC32] = { .type = NLA_U32 },
88 [BATADV_ATTR_TT_VID] = { .type = NLA_U16 },
89 [BATADV_ATTR_TT_FLAGS] = { .type = NLA_U32 },
90 [BATADV_ATTR_FLAG_BEST] = { .type = NLA_FLAG },
91 [BATADV_ATTR_LAST_SEEN_MSECS] = { .type = NLA_U32 },
Matthias Schiffer024f99c2016-07-03 13:31:40 +020092 [BATADV_ATTR_NEIGH_ADDRESS] = { .len = ETH_ALEN },
93 [BATADV_ATTR_TQ] = { .type = NLA_U8 },
Matthias Schifferf02a4782016-07-03 13:31:41 +020094 [BATADV_ATTR_THROUGHPUT] = { .type = NLA_U32 },
Sven Eckelmannd7129da2016-07-03 13:31:42 +020095 [BATADV_ATTR_BANDWIDTH_UP] = { .type = NLA_U32 },
96 [BATADV_ATTR_BANDWIDTH_DOWN] = { .type = NLA_U32 },
97 [BATADV_ATTR_ROUTER] = { .len = ETH_ALEN },
Andrew Lunn04f3f5b2016-07-03 13:31:45 +020098 [BATADV_ATTR_BLA_OWN] = { .type = NLA_FLAG },
99 [BATADV_ATTR_BLA_ADDRESS] = { .len = ETH_ALEN },
100 [BATADV_ATTR_BLA_VID] = { .type = NLA_U16 },
101 [BATADV_ATTR_BLA_BACKBONE] = { .len = ETH_ALEN },
102 [BATADV_ATTR_BLA_CRC] = { .type = NLA_U16 },
Matthias Schiffer5da0aef2016-05-09 18:41:09 +0200103};
104
105/**
Matthias Schifferb60620c2016-07-03 13:31:36 +0200106 * batadv_netlink_get_ifindex - Extract an interface index from a message
107 * @nlh: Message header
108 * @attrtype: Attribute which holds an interface index
109 *
110 * Return: interface index, or 0.
111 */
Matthias Schifferd34f0552016-07-03 13:31:37 +0200112int
Matthias Schifferb60620c2016-07-03 13:31:36 +0200113batadv_netlink_get_ifindex(const struct nlmsghdr *nlh, int attrtype)
114{
115 struct nlattr *attr = nlmsg_find_attr(nlh, GENL_HDRLEN, attrtype);
116
117 return attr ? nla_get_u32(attr) : 0;
118}
119
120/**
Matthias Schiffer5da0aef2016-05-09 18:41:09 +0200121 * batadv_netlink_mesh_info_put - fill in generic information about mesh
122 * interface
123 * @msg: netlink message to be sent back
124 * @soft_iface: interface for which the data should be taken
125 *
126 * Return: 0 on success, < 0 on error
127 */
128static int
129batadv_netlink_mesh_info_put(struct sk_buff *msg, struct net_device *soft_iface)
130{
131 struct batadv_priv *bat_priv = netdev_priv(soft_iface);
132 struct batadv_hard_iface *primary_if = NULL;
133 struct net_device *hard_iface;
134 int ret = -ENOBUFS;
135
136 if (nla_put_string(msg, BATADV_ATTR_VERSION, BATADV_SOURCE_VERSION) ||
137 nla_put_string(msg, BATADV_ATTR_ALGO_NAME,
Antonio Quartulli29824a52016-05-25 23:27:31 +0800138 bat_priv->algo_ops->name) ||
Matthias Schiffer5da0aef2016-05-09 18:41:09 +0200139 nla_put_u32(msg, BATADV_ATTR_MESH_IFINDEX, soft_iface->ifindex) ||
140 nla_put_string(msg, BATADV_ATTR_MESH_IFNAME, soft_iface->name) ||
141 nla_put(msg, BATADV_ATTR_MESH_ADDRESS, ETH_ALEN,
Sven Eckelmannf32ed4b2016-07-03 13:31:38 +0200142 soft_iface->dev_addr) ||
143 nla_put_u8(msg, BATADV_ATTR_TT_TTVN,
144 (u8)atomic_read(&bat_priv->tt.vn)))
Matthias Schiffer5da0aef2016-05-09 18:41:09 +0200145 goto out;
146
Sven Eckelmann8dad6f0d2016-07-03 13:31:46 +0200147#ifdef CONFIG_BATMAN_ADV_BLA
148 if (nla_put_u16(msg, BATADV_ATTR_BLA_CRC,
149 ntohs(bat_priv->bla.claim_dest.group)))
150 goto out;
151#endif
152
Matthias Schiffer5da0aef2016-05-09 18:41:09 +0200153 primary_if = batadv_primary_if_get_selected(bat_priv);
154 if (primary_if && primary_if->if_status == BATADV_IF_ACTIVE) {
155 hard_iface = primary_if->net_dev;
156
157 if (nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
158 hard_iface->ifindex) ||
159 nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
160 hard_iface->name) ||
161 nla_put(msg, BATADV_ATTR_HARD_ADDRESS, ETH_ALEN,
162 hard_iface->dev_addr))
163 goto out;
164 }
165
166 ret = 0;
167
168 out:
169 if (primary_if)
170 batadv_hardif_put(primary_if);
171
172 return ret;
173}
174
175/**
176 * batadv_netlink_get_mesh_info - handle incoming BATADV_CMD_GET_MESH_INFO
177 * netlink request
178 * @skb: received netlink message
179 * @info: receiver information
180 *
181 * Return: 0 on success, < 0 on error
182 */
183static int
184batadv_netlink_get_mesh_info(struct sk_buff *skb, struct genl_info *info)
185{
186 struct net *net = genl_info_net(info);
187 struct net_device *soft_iface;
188 struct sk_buff *msg = NULL;
189 void *msg_head;
190 int ifindex;
191 int ret;
192
193 if (!info->attrs[BATADV_ATTR_MESH_IFINDEX])
194 return -EINVAL;
195
196 ifindex = nla_get_u32(info->attrs[BATADV_ATTR_MESH_IFINDEX]);
197 if (!ifindex)
198 return -EINVAL;
199
200 soft_iface = dev_get_by_index(net, ifindex);
201 if (!soft_iface || !batadv_softif_is_valid(soft_iface)) {
202 ret = -ENODEV;
203 goto out;
204 }
205
206 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
207 if (!msg) {
208 ret = -ENOMEM;
209 goto out;
210 }
211
212 msg_head = genlmsg_put(msg, info->snd_portid, info->snd_seq,
213 &batadv_netlink_family, 0,
214 BATADV_CMD_GET_MESH_INFO);
215 if (!msg_head) {
216 ret = -ENOBUFS;
217 goto out;
218 }
219
220 ret = batadv_netlink_mesh_info_put(msg, soft_iface);
221
222 out:
223 if (soft_iface)
224 dev_put(soft_iface);
225
226 if (ret) {
227 if (msg)
228 nlmsg_free(msg);
229 return ret;
230 }
231
232 genlmsg_end(msg, msg_head);
233 return genlmsg_reply(msg, info);
234}
235
Antonio Quartulli33a3bb42016-05-05 13:09:43 +0200236/**
237 * batadv_netlink_tp_meter_put - Fill information of started tp_meter session
238 * @msg: netlink message to be sent back
239 * @cookie: tp meter session cookie
240 *
241 * Return: 0 on success, < 0 on error
242 */
243static int
244batadv_netlink_tp_meter_put(struct sk_buff *msg, u32 cookie)
245{
246 if (nla_put_u32(msg, BATADV_ATTR_TPMETER_COOKIE, cookie))
247 return -ENOBUFS;
248
249 return 0;
250}
251
252/**
253 * batadv_netlink_tpmeter_notify - send tp_meter result via netlink to client
254 * @bat_priv: the bat priv with all the soft interface information
255 * @dst: destination of tp_meter session
256 * @result: reason for tp meter session stop
257 * @test_time: total time ot the tp_meter session
258 * @total_bytes: bytes acked to the receiver
259 * @cookie: cookie of tp_meter session
260 *
261 * Return: 0 on success, < 0 on error
262 */
263int batadv_netlink_tpmeter_notify(struct batadv_priv *bat_priv, const u8 *dst,
264 u8 result, u32 test_time, u64 total_bytes,
265 u32 cookie)
266{
267 struct sk_buff *msg;
268 void *hdr;
269 int ret;
270
271 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
272 if (!msg)
273 return -ENOMEM;
274
275 hdr = genlmsg_put(msg, 0, 0, &batadv_netlink_family, 0,
276 BATADV_CMD_TP_METER);
277 if (!hdr) {
278 ret = -ENOBUFS;
279 goto err_genlmsg;
280 }
281
282 if (nla_put_u32(msg, BATADV_ATTR_TPMETER_COOKIE, cookie))
283 goto nla_put_failure;
284
285 if (nla_put_u32(msg, BATADV_ATTR_TPMETER_TEST_TIME, test_time))
286 goto nla_put_failure;
287
288 if (nla_put_u64_64bit(msg, BATADV_ATTR_TPMETER_BYTES, total_bytes,
289 BATADV_ATTR_PAD))
290 goto nla_put_failure;
291
292 if (nla_put_u8(msg, BATADV_ATTR_TPMETER_RESULT, result))
293 goto nla_put_failure;
294
295 if (nla_put(msg, BATADV_ATTR_ORIG_ADDRESS, ETH_ALEN, dst))
296 goto nla_put_failure;
297
298 genlmsg_end(msg, hdr);
299
300 genlmsg_multicast_netns(&batadv_netlink_family,
301 dev_net(bat_priv->soft_iface), msg, 0,
302 BATADV_NL_MCGRP_TPMETER, GFP_KERNEL);
303
304 return 0;
305
306nla_put_failure:
307 genlmsg_cancel(msg, hdr);
308 ret = -EMSGSIZE;
309
310err_genlmsg:
311 nlmsg_free(msg);
312 return ret;
313}
314
315/**
316 * batadv_netlink_tp_meter_start - Start a new tp_meter session
317 * @skb: received netlink message
318 * @info: receiver information
319 *
320 * Return: 0 on success, < 0 on error
321 */
322static int
323batadv_netlink_tp_meter_start(struct sk_buff *skb, struct genl_info *info)
324{
325 struct net *net = genl_info_net(info);
326 struct net_device *soft_iface;
327 struct batadv_priv *bat_priv;
328 struct sk_buff *msg = NULL;
329 u32 test_length;
330 void *msg_head;
331 int ifindex;
332 u32 cookie;
333 u8 *dst;
334 int ret;
335
336 if (!info->attrs[BATADV_ATTR_MESH_IFINDEX])
337 return -EINVAL;
338
339 if (!info->attrs[BATADV_ATTR_ORIG_ADDRESS])
340 return -EINVAL;
341
342 if (!info->attrs[BATADV_ATTR_TPMETER_TEST_TIME])
343 return -EINVAL;
344
345 ifindex = nla_get_u32(info->attrs[BATADV_ATTR_MESH_IFINDEX]);
346 if (!ifindex)
347 return -EINVAL;
348
349 dst = nla_data(info->attrs[BATADV_ATTR_ORIG_ADDRESS]);
350
351 test_length = nla_get_u32(info->attrs[BATADV_ATTR_TPMETER_TEST_TIME]);
352
353 soft_iface = dev_get_by_index(net, ifindex);
354 if (!soft_iface || !batadv_softif_is_valid(soft_iface)) {
355 ret = -ENODEV;
356 goto out;
357 }
358
359 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
360 if (!msg) {
361 ret = -ENOMEM;
362 goto out;
363 }
364
365 msg_head = genlmsg_put(msg, info->snd_portid, info->snd_seq,
366 &batadv_netlink_family, 0,
367 BATADV_CMD_TP_METER);
368 if (!msg_head) {
369 ret = -ENOBUFS;
370 goto out;
371 }
372
373 bat_priv = netdev_priv(soft_iface);
374 batadv_tp_start(bat_priv, dst, test_length, &cookie);
375
376 ret = batadv_netlink_tp_meter_put(msg, cookie);
377
378 out:
379 if (soft_iface)
380 dev_put(soft_iface);
381
382 if (ret) {
383 if (msg)
384 nlmsg_free(msg);
385 return ret;
386 }
387
388 genlmsg_end(msg, msg_head);
389 return genlmsg_reply(msg, info);
390}
391
392/**
393 * batadv_netlink_tp_meter_start - Cancel a running tp_meter session
394 * @skb: received netlink message
395 * @info: receiver information
396 *
397 * Return: 0 on success, < 0 on error
398 */
399static int
400batadv_netlink_tp_meter_cancel(struct sk_buff *skb, struct genl_info *info)
401{
402 struct net *net = genl_info_net(info);
403 struct net_device *soft_iface;
404 struct batadv_priv *bat_priv;
405 int ifindex;
406 u8 *dst;
407 int ret = 0;
408
409 if (!info->attrs[BATADV_ATTR_MESH_IFINDEX])
410 return -EINVAL;
411
412 if (!info->attrs[BATADV_ATTR_ORIG_ADDRESS])
413 return -EINVAL;
414
415 ifindex = nla_get_u32(info->attrs[BATADV_ATTR_MESH_IFINDEX]);
416 if (!ifindex)
417 return -EINVAL;
418
419 dst = nla_data(info->attrs[BATADV_ATTR_ORIG_ADDRESS]);
420
421 soft_iface = dev_get_by_index(net, ifindex);
422 if (!soft_iface || !batadv_softif_is_valid(soft_iface)) {
423 ret = -ENODEV;
424 goto out;
425 }
426
427 bat_priv = netdev_priv(soft_iface);
428 batadv_tp_stop(bat_priv, dst, BATADV_TP_REASON_CANCEL);
429
430out:
431 if (soft_iface)
432 dev_put(soft_iface);
433
434 return ret;
435}
436
Matthias Schifferb60620c2016-07-03 13:31:36 +0200437/**
438 * batadv_netlink_dump_hardif_entry - Dump one hard interface into a message
439 * @msg: Netlink message to dump into
440 * @portid: Port making netlink request
441 * @seq: Sequence number of netlink message
442 * @hard_iface: Hard interface to dump
443 *
444 * Return: error code, or 0 on success
445 */
446static int
447batadv_netlink_dump_hardif_entry(struct sk_buff *msg, u32 portid, u32 seq,
448 struct batadv_hard_iface *hard_iface)
449{
450 struct net_device *net_dev = hard_iface->net_dev;
451 void *hdr;
452
453 hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, NLM_F_MULTI,
454 BATADV_CMD_GET_HARDIFS);
455 if (!hdr)
456 return -EMSGSIZE;
457
458 if (nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
459 net_dev->ifindex) ||
460 nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
461 net_dev->name) ||
462 nla_put(msg, BATADV_ATTR_HARD_ADDRESS, ETH_ALEN,
463 net_dev->dev_addr))
464 goto nla_put_failure;
465
466 if (hard_iface->if_status == BATADV_IF_ACTIVE) {
467 if (nla_put_flag(msg, BATADV_ATTR_ACTIVE))
468 goto nla_put_failure;
469 }
470
471 genlmsg_end(msg, hdr);
472 return 0;
473
474 nla_put_failure:
475 genlmsg_cancel(msg, hdr);
476 return -EMSGSIZE;
477}
478
479/**
480 * batadv_netlink_dump_hardifs - Dump all hard interface into a messages
481 * @msg: Netlink message to dump into
482 * @cb: Parameters from query
483 *
484 * Return: error code, or length of reply message on success
485 */
486static int
487batadv_netlink_dump_hardifs(struct sk_buff *msg, struct netlink_callback *cb)
488{
489 struct net *net = sock_net(cb->skb->sk);
490 struct net_device *soft_iface;
491 struct batadv_hard_iface *hard_iface;
492 int ifindex;
493 int portid = NETLINK_CB(cb->skb).portid;
494 int seq = cb->nlh->nlmsg_seq;
495 int skip = cb->args[0];
496 int i = 0;
497
498 ifindex = batadv_netlink_get_ifindex(cb->nlh,
499 BATADV_ATTR_MESH_IFINDEX);
500 if (!ifindex)
501 return -EINVAL;
502
503 soft_iface = dev_get_by_index(net, ifindex);
504 if (!soft_iface)
505 return -ENODEV;
506
507 if (!batadv_softif_is_valid(soft_iface)) {
508 dev_put(soft_iface);
509 return -ENODEV;
510 }
511
512 rcu_read_lock();
513
514 list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
515 if (hard_iface->soft_iface != soft_iface)
516 continue;
517
518 if (i++ < skip)
519 continue;
520
521 if (batadv_netlink_dump_hardif_entry(msg, portid, seq,
522 hard_iface)) {
523 i--;
524 break;
525 }
526 }
527
528 rcu_read_unlock();
529
530 dev_put(soft_iface);
531
532 cb->args[0] = i;
533
534 return msg->len;
535}
536
Matthias Schiffer09748a22016-05-09 18:41:08 +0200537static struct genl_ops batadv_netlink_ops[] = {
Matthias Schiffer5da0aef2016-05-09 18:41:09 +0200538 {
539 .cmd = BATADV_CMD_GET_MESH_INFO,
540 .flags = GENL_ADMIN_PERM,
541 .policy = batadv_netlink_policy,
542 .doit = batadv_netlink_get_mesh_info,
543 },
Antonio Quartulli33a3bb42016-05-05 13:09:43 +0200544 {
545 .cmd = BATADV_CMD_TP_METER,
546 .flags = GENL_ADMIN_PERM,
547 .policy = batadv_netlink_policy,
548 .doit = batadv_netlink_tp_meter_start,
549 },
550 {
551 .cmd = BATADV_CMD_TP_METER_CANCEL,
552 .flags = GENL_ADMIN_PERM,
553 .policy = batadv_netlink_policy,
554 .doit = batadv_netlink_tp_meter_cancel,
555 },
Matthias Schiffer07a30612016-07-03 13:31:35 +0200556 {
557 .cmd = BATADV_CMD_GET_ROUTING_ALGOS,
558 .flags = GENL_ADMIN_PERM,
559 .policy = batadv_netlink_policy,
560 .dumpit = batadv_algo_dump,
561 },
Matthias Schifferb60620c2016-07-03 13:31:36 +0200562 {
563 .cmd = BATADV_CMD_GET_HARDIFS,
564 .flags = GENL_ADMIN_PERM,
565 .policy = batadv_netlink_policy,
566 .dumpit = batadv_netlink_dump_hardifs,
567 },
Matthias Schifferd34f0552016-07-03 13:31:37 +0200568 {
569 .cmd = BATADV_CMD_GET_TRANSTABLE_LOCAL,
570 .flags = GENL_ADMIN_PERM,
571 .policy = batadv_netlink_policy,
572 .dumpit = batadv_tt_local_dump,
573 },
574 {
575 .cmd = BATADV_CMD_GET_TRANSTABLE_GLOBAL,
576 .flags = GENL_ADMIN_PERM,
577 .policy = batadv_netlink_policy,
578 .dumpit = batadv_tt_global_dump,
579 },
Matthias Schiffer85cf8c82016-07-03 13:31:39 +0200580 {
581 .cmd = BATADV_CMD_GET_ORIGINATORS,
582 .flags = GENL_ADMIN_PERM,
583 .policy = batadv_netlink_policy,
584 .dumpit = batadv_orig_dump,
585 },
586 {
587 .cmd = BATADV_CMD_GET_NEIGHBORS,
588 .flags = GENL_ADMIN_PERM,
589 .policy = batadv_netlink_policy,
590 .dumpit = batadv_hardif_neigh_dump,
591 },
Sven Eckelmannd7129da2016-07-03 13:31:42 +0200592 {
593 .cmd = BATADV_CMD_GET_GATEWAYS,
594 .flags = GENL_ADMIN_PERM,
595 .policy = batadv_netlink_policy,
596 .dumpit = batadv_gw_dump,
597 },
Andrew Lunn04f3f5b2016-07-03 13:31:45 +0200598 {
599 .cmd = BATADV_CMD_GET_BLA_CLAIM,
600 .flags = GENL_ADMIN_PERM,
601 .policy = batadv_netlink_policy,
602 .dumpit = batadv_bla_claim_dump,
603 },
Simon Wunderlichea4152e2016-07-03 13:31:47 +0200604 {
605 .cmd = BATADV_CMD_GET_BLA_BACKBONE,
606 .flags = GENL_ADMIN_PERM,
607 .policy = batadv_netlink_policy,
608 .dumpit = batadv_bla_backbone_dump,
609 },
610
Matthias Schiffer09748a22016-05-09 18:41:08 +0200611};
612
613/**
614 * batadv_netlink_register - register batadv genl netlink family
615 */
616void __init batadv_netlink_register(void)
617{
618 int ret;
619
Antonio Quartulli33a3bb42016-05-05 13:09:43 +0200620 ret = genl_register_family_with_ops_groups(&batadv_netlink_family,
621 batadv_netlink_ops,
622 batadv_netlink_mcgrps);
Matthias Schiffer09748a22016-05-09 18:41:08 +0200623 if (ret)
624 pr_warn("unable to register netlink family");
625}
626
627/**
628 * batadv_netlink_unregister - unregister batadv genl netlink family
629 */
630void batadv_netlink_unregister(void)
631{
632 genl_unregister_family(&batadv_netlink_family);
633}