1
2
3
4
5
6
7#include "netlink.h"
8#include "main.h"
9
10#include <linux/atomic.h>
11#include <linux/bitops.h>
12#include <linux/bug.h>
13#include <linux/byteorder/generic.h>
14#include <linux/cache.h>
15#include <linux/err.h>
16#include <linux/errno.h>
17#include <linux/export.h>
18#include <linux/genetlink.h>
19#include <linux/gfp.h>
20#include <linux/if_ether.h>
21#include <linux/if_vlan.h>
22#include <linux/init.h>
23#include <linux/kernel.h>
24#include <linux/limits.h>
25#include <linux/list.h>
26#include <linux/minmax.h>
27#include <linux/netdevice.h>
28#include <linux/netlink.h>
29#include <linux/printk.h>
30#include <linux/rtnetlink.h>
31#include <linux/skbuff.h>
32#include <linux/stddef.h>
33#include <linux/types.h>
34#include <net/genetlink.h>
35#include <net/net_namespace.h>
36#include <net/netlink.h>
37#include <net/sock.h>
38#include <uapi/linux/batadv_packet.h>
39#include <uapi/linux/batman_adv.h>
40
41#include "bat_algo.h"
42#include "bridge_loop_avoidance.h"
43#include "distributed-arp-table.h"
44#include "gateway_client.h"
45#include "gateway_common.h"
46#include "hard-interface.h"
47#include "log.h"
48#include "multicast.h"
49#include "network-coding.h"
50#include "originator.h"
51#include "soft-interface.h"
52#include "tp_meter.h"
53#include "translation-table.h"
54
55struct genl_family batadv_netlink_family;
56
57
58enum batadv_netlink_multicast_groups {
59 BATADV_NL_MCGRP_CONFIG,
60 BATADV_NL_MCGRP_TPMETER,
61};
62
63
64
65
66enum batadv_genl_ops_flags {
67
68
69
70
71
72 BATADV_FLAG_NEED_MESH = BIT(0),
73
74
75
76
77
78
79 BATADV_FLAG_NEED_HARDIF = BIT(1),
80
81
82
83
84
85
86 BATADV_FLAG_NEED_VLAN = BIT(2),
87};
88
89static const struct genl_multicast_group batadv_netlink_mcgrps[] = {
90 [BATADV_NL_MCGRP_CONFIG] = { .name = BATADV_NL_MCAST_GROUP_CONFIG },
91 [BATADV_NL_MCGRP_TPMETER] = { .name = BATADV_NL_MCAST_GROUP_TPMETER },
92};
93
94static const struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = {
95 [BATADV_ATTR_VERSION] = { .type = NLA_STRING },
96 [BATADV_ATTR_ALGO_NAME] = { .type = NLA_STRING },
97 [BATADV_ATTR_MESH_IFINDEX] = { .type = NLA_U32 },
98 [BATADV_ATTR_MESH_IFNAME] = { .type = NLA_STRING },
99 [BATADV_ATTR_MESH_ADDRESS] = { .len = ETH_ALEN },
100 [BATADV_ATTR_HARD_IFINDEX] = { .type = NLA_U32 },
101 [BATADV_ATTR_HARD_IFNAME] = { .type = NLA_STRING },
102 [BATADV_ATTR_HARD_ADDRESS] = { .len = ETH_ALEN },
103 [BATADV_ATTR_ORIG_ADDRESS] = { .len = ETH_ALEN },
104 [BATADV_ATTR_TPMETER_RESULT] = { .type = NLA_U8 },
105 [BATADV_ATTR_TPMETER_TEST_TIME] = { .type = NLA_U32 },
106 [BATADV_ATTR_TPMETER_BYTES] = { .type = NLA_U64 },
107 [BATADV_ATTR_TPMETER_COOKIE] = { .type = NLA_U32 },
108 [BATADV_ATTR_ACTIVE] = { .type = NLA_FLAG },
109 [BATADV_ATTR_TT_ADDRESS] = { .len = ETH_ALEN },
110 [BATADV_ATTR_TT_TTVN] = { .type = NLA_U8 },
111 [BATADV_ATTR_TT_LAST_TTVN] = { .type = NLA_U8 },
112 [BATADV_ATTR_TT_CRC32] = { .type = NLA_U32 },
113 [BATADV_ATTR_TT_VID] = { .type = NLA_U16 },
114 [BATADV_ATTR_TT_FLAGS] = { .type = NLA_U32 },
115 [BATADV_ATTR_FLAG_BEST] = { .type = NLA_FLAG },
116 [BATADV_ATTR_LAST_SEEN_MSECS] = { .type = NLA_U32 },
117 [BATADV_ATTR_NEIGH_ADDRESS] = { .len = ETH_ALEN },
118 [BATADV_ATTR_TQ] = { .type = NLA_U8 },
119 [BATADV_ATTR_THROUGHPUT] = { .type = NLA_U32 },
120 [BATADV_ATTR_BANDWIDTH_UP] = { .type = NLA_U32 },
121 [BATADV_ATTR_BANDWIDTH_DOWN] = { .type = NLA_U32 },
122 [BATADV_ATTR_ROUTER] = { .len = ETH_ALEN },
123 [BATADV_ATTR_BLA_OWN] = { .type = NLA_FLAG },
124 [BATADV_ATTR_BLA_ADDRESS] = { .len = ETH_ALEN },
125 [BATADV_ATTR_BLA_VID] = { .type = NLA_U16 },
126 [BATADV_ATTR_BLA_BACKBONE] = { .len = ETH_ALEN },
127 [BATADV_ATTR_BLA_CRC] = { .type = NLA_U16 },
128 [BATADV_ATTR_DAT_CACHE_IP4ADDRESS] = { .type = NLA_U32 },
129 [BATADV_ATTR_DAT_CACHE_HWADDRESS] = { .len = ETH_ALEN },
130 [BATADV_ATTR_DAT_CACHE_VID] = { .type = NLA_U16 },
131 [BATADV_ATTR_MCAST_FLAGS] = { .type = NLA_U32 },
132 [BATADV_ATTR_MCAST_FLAGS_PRIV] = { .type = NLA_U32 },
133 [BATADV_ATTR_VLANID] = { .type = NLA_U16 },
134 [BATADV_ATTR_AGGREGATED_OGMS_ENABLED] = { .type = NLA_U8 },
135 [BATADV_ATTR_AP_ISOLATION_ENABLED] = { .type = NLA_U8 },
136 [BATADV_ATTR_ISOLATION_MARK] = { .type = NLA_U32 },
137 [BATADV_ATTR_ISOLATION_MASK] = { .type = NLA_U32 },
138 [BATADV_ATTR_BONDING_ENABLED] = { .type = NLA_U8 },
139 [BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED] = { .type = NLA_U8 },
140 [BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED] = { .type = NLA_U8 },
141 [BATADV_ATTR_FRAGMENTATION_ENABLED] = { .type = NLA_U8 },
142 [BATADV_ATTR_GW_BANDWIDTH_DOWN] = { .type = NLA_U32 },
143 [BATADV_ATTR_GW_BANDWIDTH_UP] = { .type = NLA_U32 },
144 [BATADV_ATTR_GW_MODE] = { .type = NLA_U8 },
145 [BATADV_ATTR_GW_SEL_CLASS] = { .type = NLA_U32 },
146 [BATADV_ATTR_HOP_PENALTY] = { .type = NLA_U8 },
147 [BATADV_ATTR_LOG_LEVEL] = { .type = NLA_U32 },
148 [BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED] = { .type = NLA_U8 },
149 [BATADV_ATTR_MULTICAST_FANOUT] = { .type = NLA_U32 },
150 [BATADV_ATTR_NETWORK_CODING_ENABLED] = { .type = NLA_U8 },
151 [BATADV_ATTR_ORIG_INTERVAL] = { .type = NLA_U32 },
152 [BATADV_ATTR_ELP_INTERVAL] = { .type = NLA_U32 },
153 [BATADV_ATTR_THROUGHPUT_OVERRIDE] = { .type = NLA_U32 },
154};
155
156
157
158
159
160
161
162
163int
164batadv_netlink_get_ifindex(const struct nlmsghdr *nlh, int attrtype)
165{
166 struct nlattr *attr = nlmsg_find_attr(nlh, GENL_HDRLEN, attrtype);
167
168 return (attr && nla_len(attr) == sizeof(u32)) ? nla_get_u32(attr) : 0;
169}
170
171
172
173
174
175
176
177
178static int batadv_netlink_mesh_fill_ap_isolation(struct sk_buff *msg,
179 struct batadv_priv *bat_priv)
180{
181 struct batadv_softif_vlan *vlan;
182 u8 ap_isolation;
183
184 vlan = batadv_softif_vlan_get(bat_priv, BATADV_NO_FLAGS);
185 if (!vlan)
186 return 0;
187
188 ap_isolation = atomic_read(&vlan->ap_isolation);
189 batadv_softif_vlan_put(vlan);
190
191 return nla_put_u8(msg, BATADV_ATTR_AP_ISOLATION_ENABLED,
192 !!ap_isolation);
193}
194
195
196
197
198
199
200
201
202static int batadv_netlink_set_mesh_ap_isolation(struct nlattr *attr,
203 struct batadv_priv *bat_priv)
204{
205 struct batadv_softif_vlan *vlan;
206
207 vlan = batadv_softif_vlan_get(bat_priv, BATADV_NO_FLAGS);
208 if (!vlan)
209 return -ENOENT;
210
211 atomic_set(&vlan->ap_isolation, !!nla_get_u8(attr));
212 batadv_softif_vlan_put(vlan);
213
214 return 0;
215}
216
217
218
219
220
221
222
223
224
225
226
227
228static int batadv_netlink_mesh_fill(struct sk_buff *msg,
229 struct batadv_priv *bat_priv,
230 enum batadv_nl_commands cmd,
231 u32 portid, u32 seq, int flags)
232{
233 struct net_device *soft_iface = bat_priv->soft_iface;
234 struct batadv_hard_iface *primary_if = NULL;
235 struct net_device *hard_iface;
236 void *hdr;
237
238 hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, flags, cmd);
239 if (!hdr)
240 return -ENOBUFS;
241
242 if (nla_put_string(msg, BATADV_ATTR_VERSION, BATADV_SOURCE_VERSION) ||
243 nla_put_string(msg, BATADV_ATTR_ALGO_NAME,
244 bat_priv->algo_ops->name) ||
245 nla_put_u32(msg, BATADV_ATTR_MESH_IFINDEX, soft_iface->ifindex) ||
246 nla_put_string(msg, BATADV_ATTR_MESH_IFNAME, soft_iface->name) ||
247 nla_put(msg, BATADV_ATTR_MESH_ADDRESS, ETH_ALEN,
248 soft_iface->dev_addr) ||
249 nla_put_u8(msg, BATADV_ATTR_TT_TTVN,
250 (u8)atomic_read(&bat_priv->tt.vn)))
251 goto nla_put_failure;
252
253#ifdef CONFIG_BATMAN_ADV_BLA
254 if (nla_put_u16(msg, BATADV_ATTR_BLA_CRC,
255 ntohs(bat_priv->bla.claim_dest.group)))
256 goto nla_put_failure;
257#endif
258
259 if (batadv_mcast_mesh_info_put(msg, bat_priv))
260 goto nla_put_failure;
261
262 primary_if = batadv_primary_if_get_selected(bat_priv);
263 if (primary_if && primary_if->if_status == BATADV_IF_ACTIVE) {
264 hard_iface = primary_if->net_dev;
265
266 if (nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
267 hard_iface->ifindex) ||
268 nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
269 hard_iface->name) ||
270 nla_put(msg, BATADV_ATTR_HARD_ADDRESS, ETH_ALEN,
271 hard_iface->dev_addr))
272 goto nla_put_failure;
273 }
274
275 if (nla_put_u8(msg, BATADV_ATTR_AGGREGATED_OGMS_ENABLED,
276 !!atomic_read(&bat_priv->aggregated_ogms)))
277 goto nla_put_failure;
278
279 if (batadv_netlink_mesh_fill_ap_isolation(msg, bat_priv))
280 goto nla_put_failure;
281
282 if (nla_put_u32(msg, BATADV_ATTR_ISOLATION_MARK,
283 bat_priv->isolation_mark))
284 goto nla_put_failure;
285
286 if (nla_put_u32(msg, BATADV_ATTR_ISOLATION_MASK,
287 bat_priv->isolation_mark_mask))
288 goto nla_put_failure;
289
290 if (nla_put_u8(msg, BATADV_ATTR_BONDING_ENABLED,
291 !!atomic_read(&bat_priv->bonding)))
292 goto nla_put_failure;
293
294#ifdef CONFIG_BATMAN_ADV_BLA
295 if (nla_put_u8(msg, BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED,
296 !!atomic_read(&bat_priv->bridge_loop_avoidance)))
297 goto nla_put_failure;
298#endif
299
300#ifdef CONFIG_BATMAN_ADV_DAT
301 if (nla_put_u8(msg, BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED,
302 !!atomic_read(&bat_priv->distributed_arp_table)))
303 goto nla_put_failure;
304#endif
305
306 if (nla_put_u8(msg, BATADV_ATTR_FRAGMENTATION_ENABLED,
307 !!atomic_read(&bat_priv->fragmentation)))
308 goto nla_put_failure;
309
310 if (nla_put_u32(msg, BATADV_ATTR_GW_BANDWIDTH_DOWN,
311 atomic_read(&bat_priv->gw.bandwidth_down)))
312 goto nla_put_failure;
313
314 if (nla_put_u32(msg, BATADV_ATTR_GW_BANDWIDTH_UP,
315 atomic_read(&bat_priv->gw.bandwidth_up)))
316 goto nla_put_failure;
317
318 if (nla_put_u8(msg, BATADV_ATTR_GW_MODE,
319 atomic_read(&bat_priv->gw.mode)))
320 goto nla_put_failure;
321
322 if (bat_priv->algo_ops->gw.get_best_gw_node &&
323 bat_priv->algo_ops->gw.is_eligible) {
324
325
326
327 if (nla_put_u32(msg, BATADV_ATTR_GW_SEL_CLASS,
328 atomic_read(&bat_priv->gw.sel_class)))
329 goto nla_put_failure;
330 }
331
332 if (nla_put_u8(msg, BATADV_ATTR_HOP_PENALTY,
333 atomic_read(&bat_priv->hop_penalty)))
334 goto nla_put_failure;
335
336#ifdef CONFIG_BATMAN_ADV_DEBUG
337 if (nla_put_u32(msg, BATADV_ATTR_LOG_LEVEL,
338 atomic_read(&bat_priv->log_level)))
339 goto nla_put_failure;
340#endif
341
342#ifdef CONFIG_BATMAN_ADV_MCAST
343 if (nla_put_u8(msg, BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED,
344 !atomic_read(&bat_priv->multicast_mode)))
345 goto nla_put_failure;
346
347 if (nla_put_u32(msg, BATADV_ATTR_MULTICAST_FANOUT,
348 atomic_read(&bat_priv->multicast_fanout)))
349 goto nla_put_failure;
350#endif
351
352#ifdef CONFIG_BATMAN_ADV_NC
353 if (nla_put_u8(msg, BATADV_ATTR_NETWORK_CODING_ENABLED,
354 !!atomic_read(&bat_priv->network_coding)))
355 goto nla_put_failure;
356#endif
357
358 if (nla_put_u32(msg, BATADV_ATTR_ORIG_INTERVAL,
359 atomic_read(&bat_priv->orig_interval)))
360 goto nla_put_failure;
361
362 batadv_hardif_put(primary_if);
363
364 genlmsg_end(msg, hdr);
365 return 0;
366
367nla_put_failure:
368 batadv_hardif_put(primary_if);
369
370 genlmsg_cancel(msg, hdr);
371 return -EMSGSIZE;
372}
373
374
375
376
377
378
379
380int batadv_netlink_notify_mesh(struct batadv_priv *bat_priv)
381{
382 struct sk_buff *msg;
383 int ret;
384
385 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
386 if (!msg)
387 return -ENOMEM;
388
389 ret = batadv_netlink_mesh_fill(msg, bat_priv, BATADV_CMD_SET_MESH,
390 0, 0, 0);
391 if (ret < 0) {
392 nlmsg_free(msg);
393 return ret;
394 }
395
396 genlmsg_multicast_netns(&batadv_netlink_family,
397 dev_net(bat_priv->soft_iface), msg, 0,
398 BATADV_NL_MCGRP_CONFIG, GFP_KERNEL);
399
400 return 0;
401}
402
403
404
405
406
407
408
409
410static int batadv_netlink_get_mesh(struct sk_buff *skb, struct genl_info *info)
411{
412 struct batadv_priv *bat_priv = info->user_ptr[0];
413 struct sk_buff *msg;
414 int ret;
415
416 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
417 if (!msg)
418 return -ENOMEM;
419
420 ret = batadv_netlink_mesh_fill(msg, bat_priv, BATADV_CMD_GET_MESH,
421 info->snd_portid, info->snd_seq, 0);
422 if (ret < 0) {
423 nlmsg_free(msg);
424 return ret;
425 }
426
427 ret = genlmsg_reply(msg, info);
428
429 return ret;
430}
431
432
433
434
435
436
437
438
439static int batadv_netlink_set_mesh(struct sk_buff *skb, struct genl_info *info)
440{
441 struct batadv_priv *bat_priv = info->user_ptr[0];
442 struct nlattr *attr;
443
444 if (info->attrs[BATADV_ATTR_AGGREGATED_OGMS_ENABLED]) {
445 attr = info->attrs[BATADV_ATTR_AGGREGATED_OGMS_ENABLED];
446
447 atomic_set(&bat_priv->aggregated_ogms, !!nla_get_u8(attr));
448 }
449
450 if (info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED]) {
451 attr = info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED];
452
453 batadv_netlink_set_mesh_ap_isolation(attr, bat_priv);
454 }
455
456 if (info->attrs[BATADV_ATTR_ISOLATION_MARK]) {
457 attr = info->attrs[BATADV_ATTR_ISOLATION_MARK];
458
459 bat_priv->isolation_mark = nla_get_u32(attr);
460 }
461
462 if (info->attrs[BATADV_ATTR_ISOLATION_MASK]) {
463 attr = info->attrs[BATADV_ATTR_ISOLATION_MASK];
464
465 bat_priv->isolation_mark_mask = nla_get_u32(attr);
466 }
467
468 if (info->attrs[BATADV_ATTR_BONDING_ENABLED]) {
469 attr = info->attrs[BATADV_ATTR_BONDING_ENABLED];
470
471 atomic_set(&bat_priv->bonding, !!nla_get_u8(attr));
472 }
473
474#ifdef CONFIG_BATMAN_ADV_BLA
475 if (info->attrs[BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED]) {
476 attr = info->attrs[BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED];
477
478 atomic_set(&bat_priv->bridge_loop_avoidance,
479 !!nla_get_u8(attr));
480 batadv_bla_status_update(bat_priv->soft_iface);
481 }
482#endif
483
484#ifdef CONFIG_BATMAN_ADV_DAT
485 if (info->attrs[BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED]) {
486 attr = info->attrs[BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED];
487
488 atomic_set(&bat_priv->distributed_arp_table,
489 !!nla_get_u8(attr));
490 batadv_dat_status_update(bat_priv->soft_iface);
491 }
492#endif
493
494 if (info->attrs[BATADV_ATTR_FRAGMENTATION_ENABLED]) {
495 attr = info->attrs[BATADV_ATTR_FRAGMENTATION_ENABLED];
496
497 atomic_set(&bat_priv->fragmentation, !!nla_get_u8(attr));
498 batadv_update_min_mtu(bat_priv->soft_iface);
499 }
500
501 if (info->attrs[BATADV_ATTR_GW_BANDWIDTH_DOWN]) {
502 attr = info->attrs[BATADV_ATTR_GW_BANDWIDTH_DOWN];
503
504 atomic_set(&bat_priv->gw.bandwidth_down, nla_get_u32(attr));
505 batadv_gw_tvlv_container_update(bat_priv);
506 }
507
508 if (info->attrs[BATADV_ATTR_GW_BANDWIDTH_UP]) {
509 attr = info->attrs[BATADV_ATTR_GW_BANDWIDTH_UP];
510
511 atomic_set(&bat_priv->gw.bandwidth_up, nla_get_u32(attr));
512 batadv_gw_tvlv_container_update(bat_priv);
513 }
514
515 if (info->attrs[BATADV_ATTR_GW_MODE]) {
516 u8 gw_mode;
517
518 attr = info->attrs[BATADV_ATTR_GW_MODE];
519 gw_mode = nla_get_u8(attr);
520
521 if (gw_mode <= BATADV_GW_MODE_SERVER) {
522
523
524
525
526
527
528
529
530
531
532
533 batadv_gw_reselect(bat_priv);
534
535
536
537
538 batadv_gw_check_client_stop(bat_priv);
539 atomic_set(&bat_priv->gw.mode, gw_mode);
540 batadv_gw_tvlv_container_update(bat_priv);
541 }
542 }
543
544 if (info->attrs[BATADV_ATTR_GW_SEL_CLASS] &&
545 bat_priv->algo_ops->gw.get_best_gw_node &&
546 bat_priv->algo_ops->gw.is_eligible) {
547
548
549
550
551 u32 sel_class_max = 0xffffffffu;
552 u32 sel_class;
553
554 attr = info->attrs[BATADV_ATTR_GW_SEL_CLASS];
555 sel_class = nla_get_u32(attr);
556
557 if (!bat_priv->algo_ops->gw.store_sel_class)
558 sel_class_max = BATADV_TQ_MAX_VALUE;
559
560 if (sel_class >= 1 && sel_class <= sel_class_max) {
561 atomic_set(&bat_priv->gw.sel_class, sel_class);
562 batadv_gw_reselect(bat_priv);
563 }
564 }
565
566 if (info->attrs[BATADV_ATTR_HOP_PENALTY]) {
567 attr = info->attrs[BATADV_ATTR_HOP_PENALTY];
568
569 atomic_set(&bat_priv->hop_penalty, nla_get_u8(attr));
570 }
571
572#ifdef CONFIG_BATMAN_ADV_DEBUG
573 if (info->attrs[BATADV_ATTR_LOG_LEVEL]) {
574 attr = info->attrs[BATADV_ATTR_LOG_LEVEL];
575
576 atomic_set(&bat_priv->log_level,
577 nla_get_u32(attr) & BATADV_DBG_ALL);
578 }
579#endif
580
581#ifdef CONFIG_BATMAN_ADV_MCAST
582 if (info->attrs[BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED]) {
583 attr = info->attrs[BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED];
584
585 atomic_set(&bat_priv->multicast_mode, !nla_get_u8(attr));
586 }
587
588 if (info->attrs[BATADV_ATTR_MULTICAST_FANOUT]) {
589 attr = info->attrs[BATADV_ATTR_MULTICAST_FANOUT];
590
591 atomic_set(&bat_priv->multicast_fanout, nla_get_u32(attr));
592 }
593#endif
594
595#ifdef CONFIG_BATMAN_ADV_NC
596 if (info->attrs[BATADV_ATTR_NETWORK_CODING_ENABLED]) {
597 attr = info->attrs[BATADV_ATTR_NETWORK_CODING_ENABLED];
598
599 atomic_set(&bat_priv->network_coding, !!nla_get_u8(attr));
600 batadv_nc_status_update(bat_priv->soft_iface);
601 }
602#endif
603
604 if (info->attrs[BATADV_ATTR_ORIG_INTERVAL]) {
605 u32 orig_interval;
606
607 attr = info->attrs[BATADV_ATTR_ORIG_INTERVAL];
608 orig_interval = nla_get_u32(attr);
609
610 orig_interval = min_t(u32, orig_interval, INT_MAX);
611 orig_interval = max_t(u32, orig_interval, 2 * BATADV_JITTER);
612
613 atomic_set(&bat_priv->orig_interval, orig_interval);
614 }
615
616 batadv_netlink_notify_mesh(bat_priv);
617
618 return 0;
619}
620
621
622
623
624
625
626
627
628static int
629batadv_netlink_tp_meter_put(struct sk_buff *msg, u32 cookie)
630{
631 if (nla_put_u32(msg, BATADV_ATTR_TPMETER_COOKIE, cookie))
632 return -ENOBUFS;
633
634 return 0;
635}
636
637
638
639
640
641
642
643
644
645
646
647
648int batadv_netlink_tpmeter_notify(struct batadv_priv *bat_priv, const u8 *dst,
649 u8 result, u32 test_time, u64 total_bytes,
650 u32 cookie)
651{
652 struct sk_buff *msg;
653 void *hdr;
654 int ret;
655
656 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
657 if (!msg)
658 return -ENOMEM;
659
660 hdr = genlmsg_put(msg, 0, 0, &batadv_netlink_family, 0,
661 BATADV_CMD_TP_METER);
662 if (!hdr) {
663 ret = -ENOBUFS;
664 goto err_genlmsg;
665 }
666
667 if (nla_put_u32(msg, BATADV_ATTR_TPMETER_COOKIE, cookie))
668 goto nla_put_failure;
669
670 if (nla_put_u32(msg, BATADV_ATTR_TPMETER_TEST_TIME, test_time))
671 goto nla_put_failure;
672
673 if (nla_put_u64_64bit(msg, BATADV_ATTR_TPMETER_BYTES, total_bytes,
674 BATADV_ATTR_PAD))
675 goto nla_put_failure;
676
677 if (nla_put_u8(msg, BATADV_ATTR_TPMETER_RESULT, result))
678 goto nla_put_failure;
679
680 if (nla_put(msg, BATADV_ATTR_ORIG_ADDRESS, ETH_ALEN, dst))
681 goto nla_put_failure;
682
683 genlmsg_end(msg, hdr);
684
685 genlmsg_multicast_netns(&batadv_netlink_family,
686 dev_net(bat_priv->soft_iface), msg, 0,
687 BATADV_NL_MCGRP_TPMETER, GFP_KERNEL);
688
689 return 0;
690
691nla_put_failure:
692 genlmsg_cancel(msg, hdr);
693 ret = -EMSGSIZE;
694
695err_genlmsg:
696 nlmsg_free(msg);
697 return ret;
698}
699
700
701
702
703
704
705
706
707static int
708batadv_netlink_tp_meter_start(struct sk_buff *skb, struct genl_info *info)
709{
710 struct batadv_priv *bat_priv = info->user_ptr[0];
711 struct sk_buff *msg = NULL;
712 u32 test_length;
713 void *msg_head;
714 u32 cookie;
715 u8 *dst;
716 int ret;
717
718 if (!info->attrs[BATADV_ATTR_ORIG_ADDRESS])
719 return -EINVAL;
720
721 if (!info->attrs[BATADV_ATTR_TPMETER_TEST_TIME])
722 return -EINVAL;
723
724 dst = nla_data(info->attrs[BATADV_ATTR_ORIG_ADDRESS]);
725
726 test_length = nla_get_u32(info->attrs[BATADV_ATTR_TPMETER_TEST_TIME]);
727
728 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
729 if (!msg) {
730 ret = -ENOMEM;
731 goto out;
732 }
733
734 msg_head = genlmsg_put(msg, info->snd_portid, info->snd_seq,
735 &batadv_netlink_family, 0,
736 BATADV_CMD_TP_METER);
737 if (!msg_head) {
738 ret = -ENOBUFS;
739 goto out;
740 }
741
742 batadv_tp_start(bat_priv, dst, test_length, &cookie);
743
744 ret = batadv_netlink_tp_meter_put(msg, cookie);
745
746 out:
747 if (ret) {
748 if (msg)
749 nlmsg_free(msg);
750 return ret;
751 }
752
753 genlmsg_end(msg, msg_head);
754 return genlmsg_reply(msg, info);
755}
756
757
758
759
760
761
762
763
764static int
765batadv_netlink_tp_meter_cancel(struct sk_buff *skb, struct genl_info *info)
766{
767 struct batadv_priv *bat_priv = info->user_ptr[0];
768 u8 *dst;
769 int ret = 0;
770
771 if (!info->attrs[BATADV_ATTR_ORIG_ADDRESS])
772 return -EINVAL;
773
774 dst = nla_data(info->attrs[BATADV_ATTR_ORIG_ADDRESS]);
775
776 batadv_tp_stop(bat_priv, dst, BATADV_TP_REASON_CANCEL);
777
778 return ret;
779}
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794static int batadv_netlink_hardif_fill(struct sk_buff *msg,
795 struct batadv_priv *bat_priv,
796 struct batadv_hard_iface *hard_iface,
797 enum batadv_nl_commands cmd,
798 u32 portid, u32 seq, int flags,
799 struct netlink_callback *cb)
800{
801 struct net_device *net_dev = hard_iface->net_dev;
802 void *hdr;
803
804 hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, flags, cmd);
805 if (!hdr)
806 return -ENOBUFS;
807
808 if (cb)
809 genl_dump_check_consistent(cb, hdr);
810
811 if (nla_put_u32(msg, BATADV_ATTR_MESH_IFINDEX,
812 bat_priv->soft_iface->ifindex))
813 goto nla_put_failure;
814
815 if (nla_put_string(msg, BATADV_ATTR_MESH_IFNAME,
816 bat_priv->soft_iface->name))
817 goto nla_put_failure;
818
819 if (nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
820 net_dev->ifindex) ||
821 nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
822 net_dev->name) ||
823 nla_put(msg, BATADV_ATTR_HARD_ADDRESS, ETH_ALEN,
824 net_dev->dev_addr))
825 goto nla_put_failure;
826
827 if (hard_iface->if_status == BATADV_IF_ACTIVE) {
828 if (nla_put_flag(msg, BATADV_ATTR_ACTIVE))
829 goto nla_put_failure;
830 }
831
832 if (nla_put_u8(msg, BATADV_ATTR_HOP_PENALTY,
833 atomic_read(&hard_iface->hop_penalty)))
834 goto nla_put_failure;
835
836#ifdef CONFIG_BATMAN_ADV_BATMAN_V
837 if (nla_put_u32(msg, BATADV_ATTR_ELP_INTERVAL,
838 atomic_read(&hard_iface->bat_v.elp_interval)))
839 goto nla_put_failure;
840
841 if (nla_put_u32(msg, BATADV_ATTR_THROUGHPUT_OVERRIDE,
842 atomic_read(&hard_iface->bat_v.throughput_override)))
843 goto nla_put_failure;
844#endif
845
846 genlmsg_end(msg, hdr);
847 return 0;
848
849nla_put_failure:
850 genlmsg_cancel(msg, hdr);
851 return -EMSGSIZE;
852}
853
854
855
856
857
858
859
860
861int batadv_netlink_notify_hardif(struct batadv_priv *bat_priv,
862 struct batadv_hard_iface *hard_iface)
863{
864 struct sk_buff *msg;
865 int ret;
866
867 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
868 if (!msg)
869 return -ENOMEM;
870
871 ret = batadv_netlink_hardif_fill(msg, bat_priv, hard_iface,
872 BATADV_CMD_SET_HARDIF, 0, 0, 0, NULL);
873 if (ret < 0) {
874 nlmsg_free(msg);
875 return ret;
876 }
877
878 genlmsg_multicast_netns(&batadv_netlink_family,
879 dev_net(bat_priv->soft_iface), msg, 0,
880 BATADV_NL_MCGRP_CONFIG, GFP_KERNEL);
881
882 return 0;
883}
884
885
886
887
888
889
890
891
892static int batadv_netlink_get_hardif(struct sk_buff *skb,
893 struct genl_info *info)
894{
895 struct batadv_hard_iface *hard_iface = info->user_ptr[1];
896 struct batadv_priv *bat_priv = info->user_ptr[0];
897 struct sk_buff *msg;
898 int ret;
899
900 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
901 if (!msg)
902 return -ENOMEM;
903
904 ret = batadv_netlink_hardif_fill(msg, bat_priv, hard_iface,
905 BATADV_CMD_GET_HARDIF,
906 info->snd_portid, info->snd_seq, 0,
907 NULL);
908 if (ret < 0) {
909 nlmsg_free(msg);
910 return ret;
911 }
912
913 ret = genlmsg_reply(msg, info);
914
915 return ret;
916}
917
918
919
920
921
922
923
924
925static int batadv_netlink_set_hardif(struct sk_buff *skb,
926 struct genl_info *info)
927{
928 struct batadv_hard_iface *hard_iface = info->user_ptr[1];
929 struct batadv_priv *bat_priv = info->user_ptr[0];
930 struct nlattr *attr;
931
932 if (info->attrs[BATADV_ATTR_HOP_PENALTY]) {
933 attr = info->attrs[BATADV_ATTR_HOP_PENALTY];
934
935 atomic_set(&hard_iface->hop_penalty, nla_get_u8(attr));
936 }
937
938#ifdef CONFIG_BATMAN_ADV_BATMAN_V
939
940 if (info->attrs[BATADV_ATTR_ELP_INTERVAL]) {
941 attr = info->attrs[BATADV_ATTR_ELP_INTERVAL];
942
943 atomic_set(&hard_iface->bat_v.elp_interval, nla_get_u32(attr));
944 }
945
946 if (info->attrs[BATADV_ATTR_THROUGHPUT_OVERRIDE]) {
947 attr = info->attrs[BATADV_ATTR_THROUGHPUT_OVERRIDE];
948
949 atomic_set(&hard_iface->bat_v.throughput_override,
950 nla_get_u32(attr));
951 }
952#endif
953
954 batadv_netlink_notify_hardif(bat_priv, hard_iface);
955
956 return 0;
957}
958
959
960
961
962
963
964
965
966static int
967batadv_netlink_dump_hardif(struct sk_buff *msg, struct netlink_callback *cb)
968{
969 struct net *net = sock_net(cb->skb->sk);
970 struct net_device *soft_iface;
971 struct batadv_hard_iface *hard_iface;
972 struct batadv_priv *bat_priv;
973 int ifindex;
974 int portid = NETLINK_CB(cb->skb).portid;
975 int skip = cb->args[0];
976 int i = 0;
977
978 ifindex = batadv_netlink_get_ifindex(cb->nlh,
979 BATADV_ATTR_MESH_IFINDEX);
980 if (!ifindex)
981 return -EINVAL;
982
983 soft_iface = dev_get_by_index(net, ifindex);
984 if (!soft_iface)
985 return -ENODEV;
986
987 if (!batadv_softif_is_valid(soft_iface)) {
988 dev_put(soft_iface);
989 return -ENODEV;
990 }
991
992 bat_priv = netdev_priv(soft_iface);
993
994 rtnl_lock();
995 cb->seq = batadv_hardif_generation << 1 | 1;
996
997 list_for_each_entry(hard_iface, &batadv_hardif_list, list) {
998 if (hard_iface->soft_iface != soft_iface)
999 continue;
1000
1001 if (i++ < skip)
1002 continue;
1003
1004 if (batadv_netlink_hardif_fill(msg, bat_priv, hard_iface,
1005 BATADV_CMD_GET_HARDIF,
1006 portid, cb->nlh->nlmsg_seq,
1007 NLM_F_MULTI, cb)) {
1008 i--;
1009 break;
1010 }
1011 }
1012
1013 rtnl_unlock();
1014
1015 dev_put(soft_iface);
1016
1017 cb->args[0] = i;
1018
1019 return msg->len;
1020}
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034static int batadv_netlink_vlan_fill(struct sk_buff *msg,
1035 struct batadv_priv *bat_priv,
1036 struct batadv_softif_vlan *vlan,
1037 enum batadv_nl_commands cmd,
1038 u32 portid, u32 seq, int flags)
1039{
1040 void *hdr;
1041
1042 hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, flags, cmd);
1043 if (!hdr)
1044 return -ENOBUFS;
1045
1046 if (nla_put_u32(msg, BATADV_ATTR_MESH_IFINDEX,
1047 bat_priv->soft_iface->ifindex))
1048 goto nla_put_failure;
1049
1050 if (nla_put_string(msg, BATADV_ATTR_MESH_IFNAME,
1051 bat_priv->soft_iface->name))
1052 goto nla_put_failure;
1053
1054 if (nla_put_u32(msg, BATADV_ATTR_VLANID, vlan->vid & VLAN_VID_MASK))
1055 goto nla_put_failure;
1056
1057 if (nla_put_u8(msg, BATADV_ATTR_AP_ISOLATION_ENABLED,
1058 !!atomic_read(&vlan->ap_isolation)))
1059 goto nla_put_failure;
1060
1061 genlmsg_end(msg, hdr);
1062 return 0;
1063
1064nla_put_failure:
1065 genlmsg_cancel(msg, hdr);
1066 return -EMSGSIZE;
1067}
1068
1069
1070
1071
1072
1073
1074
1075
1076int batadv_netlink_notify_vlan(struct batadv_priv *bat_priv,
1077 struct batadv_softif_vlan *vlan)
1078{
1079 struct sk_buff *msg;
1080 int ret;
1081
1082 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1083 if (!msg)
1084 return -ENOMEM;
1085
1086 ret = batadv_netlink_vlan_fill(msg, bat_priv, vlan,
1087 BATADV_CMD_SET_VLAN, 0, 0, 0);
1088 if (ret < 0) {
1089 nlmsg_free(msg);
1090 return ret;
1091 }
1092
1093 genlmsg_multicast_netns(&batadv_netlink_family,
1094 dev_net(bat_priv->soft_iface), msg, 0,
1095 BATADV_NL_MCGRP_CONFIG, GFP_KERNEL);
1096
1097 return 0;
1098}
1099
1100
1101
1102
1103
1104
1105
1106
1107static int batadv_netlink_get_vlan(struct sk_buff *skb, struct genl_info *info)
1108{
1109 struct batadv_softif_vlan *vlan = info->user_ptr[1];
1110 struct batadv_priv *bat_priv = info->user_ptr[0];
1111 struct sk_buff *msg;
1112 int ret;
1113
1114 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1115 if (!msg)
1116 return -ENOMEM;
1117
1118 ret = batadv_netlink_vlan_fill(msg, bat_priv, vlan, BATADV_CMD_GET_VLAN,
1119 info->snd_portid, info->snd_seq, 0);
1120 if (ret < 0) {
1121 nlmsg_free(msg);
1122 return ret;
1123 }
1124
1125 ret = genlmsg_reply(msg, info);
1126
1127 return ret;
1128}
1129
1130
1131
1132
1133
1134
1135
1136
1137static int batadv_netlink_set_vlan(struct sk_buff *skb, struct genl_info *info)
1138{
1139 struct batadv_softif_vlan *vlan = info->user_ptr[1];
1140 struct batadv_priv *bat_priv = info->user_ptr[0];
1141 struct nlattr *attr;
1142
1143 if (info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED]) {
1144 attr = info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED];
1145
1146 atomic_set(&vlan->ap_isolation, !!nla_get_u8(attr));
1147 }
1148
1149 batadv_netlink_notify_vlan(bat_priv, vlan);
1150
1151 return 0;
1152}
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162static struct net_device *
1163batadv_get_softif_from_info(struct net *net, struct genl_info *info)
1164{
1165 struct net_device *soft_iface;
1166 int ifindex;
1167
1168 if (!info->attrs[BATADV_ATTR_MESH_IFINDEX])
1169 return ERR_PTR(-EINVAL);
1170
1171 ifindex = nla_get_u32(info->attrs[BATADV_ATTR_MESH_IFINDEX]);
1172
1173 soft_iface = dev_get_by_index(net, ifindex);
1174 if (!soft_iface)
1175 return ERR_PTR(-ENODEV);
1176
1177 if (!batadv_softif_is_valid(soft_iface))
1178 goto err_put_softif;
1179
1180 return soft_iface;
1181
1182err_put_softif:
1183 dev_put(soft_iface);
1184
1185 return ERR_PTR(-EINVAL);
1186}
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197static struct batadv_hard_iface *
1198batadv_get_hardif_from_info(struct batadv_priv *bat_priv, struct net *net,
1199 struct genl_info *info)
1200{
1201 struct batadv_hard_iface *hard_iface;
1202 struct net_device *hard_dev;
1203 unsigned int hardif_index;
1204
1205 if (!info->attrs[BATADV_ATTR_HARD_IFINDEX])
1206 return ERR_PTR(-EINVAL);
1207
1208 hardif_index = nla_get_u32(info->attrs[BATADV_ATTR_HARD_IFINDEX]);
1209
1210 hard_dev = dev_get_by_index(net, hardif_index);
1211 if (!hard_dev)
1212 return ERR_PTR(-ENODEV);
1213
1214 hard_iface = batadv_hardif_get_by_netdev(hard_dev);
1215 if (!hard_iface)
1216 goto err_put_harddev;
1217
1218 if (hard_iface->soft_iface != bat_priv->soft_iface)
1219 goto err_put_hardif;
1220
1221
1222 dev_put(hard_dev);
1223
1224 return hard_iface;
1225
1226err_put_hardif:
1227 batadv_hardif_put(hard_iface);
1228err_put_harddev:
1229 dev_put(hard_dev);
1230
1231 return ERR_PTR(-EINVAL);
1232}
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243static struct batadv_softif_vlan *
1244batadv_get_vlan_from_info(struct batadv_priv *bat_priv, struct net *net,
1245 struct genl_info *info)
1246{
1247 struct batadv_softif_vlan *vlan;
1248 u16 vid;
1249
1250 if (!info->attrs[BATADV_ATTR_VLANID])
1251 return ERR_PTR(-EINVAL);
1252
1253 vid = nla_get_u16(info->attrs[BATADV_ATTR_VLANID]);
1254
1255 vlan = batadv_softif_vlan_get(bat_priv, vid | BATADV_VLAN_HAS_TAG);
1256 if (!vlan)
1257 return ERR_PTR(-ENOENT);
1258
1259 return vlan;
1260}
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270static int batadv_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
1271 struct genl_info *info)
1272{
1273 struct net *net = genl_info_net(info);
1274 struct batadv_hard_iface *hard_iface;
1275 struct batadv_priv *bat_priv = NULL;
1276 struct batadv_softif_vlan *vlan;
1277 struct net_device *soft_iface;
1278 u8 user_ptr1_flags;
1279 u8 mesh_dep_flags;
1280 int ret;
1281
1282 user_ptr1_flags = BATADV_FLAG_NEED_HARDIF | BATADV_FLAG_NEED_VLAN;
1283 if (WARN_ON(hweight8(ops->internal_flags & user_ptr1_flags) > 1))
1284 return -EINVAL;
1285
1286 mesh_dep_flags = BATADV_FLAG_NEED_HARDIF | BATADV_FLAG_NEED_VLAN;
1287 if (WARN_ON((ops->internal_flags & mesh_dep_flags) &&
1288 (~ops->internal_flags & BATADV_FLAG_NEED_MESH)))
1289 return -EINVAL;
1290
1291 if (ops->internal_flags & BATADV_FLAG_NEED_MESH) {
1292 soft_iface = batadv_get_softif_from_info(net, info);
1293 if (IS_ERR(soft_iface))
1294 return PTR_ERR(soft_iface);
1295
1296 bat_priv = netdev_priv(soft_iface);
1297 info->user_ptr[0] = bat_priv;
1298 }
1299
1300 if (ops->internal_flags & BATADV_FLAG_NEED_HARDIF) {
1301 hard_iface = batadv_get_hardif_from_info(bat_priv, net, info);
1302 if (IS_ERR(hard_iface)) {
1303 ret = PTR_ERR(hard_iface);
1304 goto err_put_softif;
1305 }
1306
1307 info->user_ptr[1] = hard_iface;
1308 }
1309
1310 if (ops->internal_flags & BATADV_FLAG_NEED_VLAN) {
1311 vlan = batadv_get_vlan_from_info(bat_priv, net, info);
1312 if (IS_ERR(vlan)) {
1313 ret = PTR_ERR(vlan);
1314 goto err_put_softif;
1315 }
1316
1317 info->user_ptr[1] = vlan;
1318 }
1319
1320 return 0;
1321
1322err_put_softif:
1323 if (bat_priv)
1324 dev_put(bat_priv->soft_iface);
1325
1326 return ret;
1327}
1328
1329
1330
1331
1332
1333
1334
1335static void batadv_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
1336 struct genl_info *info)
1337{
1338 struct batadv_hard_iface *hard_iface;
1339 struct batadv_softif_vlan *vlan;
1340 struct batadv_priv *bat_priv;
1341
1342 if (ops->internal_flags & BATADV_FLAG_NEED_HARDIF &&
1343 info->user_ptr[1]) {
1344 hard_iface = info->user_ptr[1];
1345
1346 batadv_hardif_put(hard_iface);
1347 }
1348
1349 if (ops->internal_flags & BATADV_FLAG_NEED_VLAN && info->user_ptr[1]) {
1350 vlan = info->user_ptr[1];
1351 batadv_softif_vlan_put(vlan);
1352 }
1353
1354 if (ops->internal_flags & BATADV_FLAG_NEED_MESH && info->user_ptr[0]) {
1355 bat_priv = info->user_ptr[0];
1356 dev_put(bat_priv->soft_iface);
1357 }
1358}
1359
1360static const struct genl_small_ops batadv_netlink_ops[] = {
1361 {
1362 .cmd = BATADV_CMD_GET_MESH,
1363 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1364
1365 .doit = batadv_netlink_get_mesh,
1366 .internal_flags = BATADV_FLAG_NEED_MESH,
1367 },
1368 {
1369 .cmd = BATADV_CMD_TP_METER,
1370 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1371 .flags = GENL_ADMIN_PERM,
1372 .doit = batadv_netlink_tp_meter_start,
1373 .internal_flags = BATADV_FLAG_NEED_MESH,
1374 },
1375 {
1376 .cmd = BATADV_CMD_TP_METER_CANCEL,
1377 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1378 .flags = GENL_ADMIN_PERM,
1379 .doit = batadv_netlink_tp_meter_cancel,
1380 .internal_flags = BATADV_FLAG_NEED_MESH,
1381 },
1382 {
1383 .cmd = BATADV_CMD_GET_ROUTING_ALGOS,
1384 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1385 .flags = GENL_ADMIN_PERM,
1386 .dumpit = batadv_algo_dump,
1387 },
1388 {
1389 .cmd = BATADV_CMD_GET_HARDIF,
1390 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1391
1392 .dumpit = batadv_netlink_dump_hardif,
1393 .doit = batadv_netlink_get_hardif,
1394 .internal_flags = BATADV_FLAG_NEED_MESH |
1395 BATADV_FLAG_NEED_HARDIF,
1396 },
1397 {
1398 .cmd = BATADV_CMD_GET_TRANSTABLE_LOCAL,
1399 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1400 .flags = GENL_ADMIN_PERM,
1401 .dumpit = batadv_tt_local_dump,
1402 },
1403 {
1404 .cmd = BATADV_CMD_GET_TRANSTABLE_GLOBAL,
1405 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1406 .flags = GENL_ADMIN_PERM,
1407 .dumpit = batadv_tt_global_dump,
1408 },
1409 {
1410 .cmd = BATADV_CMD_GET_ORIGINATORS,
1411 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1412 .flags = GENL_ADMIN_PERM,
1413 .dumpit = batadv_orig_dump,
1414 },
1415 {
1416 .cmd = BATADV_CMD_GET_NEIGHBORS,
1417 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1418 .flags = GENL_ADMIN_PERM,
1419 .dumpit = batadv_hardif_neigh_dump,
1420 },
1421 {
1422 .cmd = BATADV_CMD_GET_GATEWAYS,
1423 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1424 .flags = GENL_ADMIN_PERM,
1425 .dumpit = batadv_gw_dump,
1426 },
1427 {
1428 .cmd = BATADV_CMD_GET_BLA_CLAIM,
1429 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1430 .flags = GENL_ADMIN_PERM,
1431 .dumpit = batadv_bla_claim_dump,
1432 },
1433 {
1434 .cmd = BATADV_CMD_GET_BLA_BACKBONE,
1435 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1436 .flags = GENL_ADMIN_PERM,
1437 .dumpit = batadv_bla_backbone_dump,
1438 },
1439 {
1440 .cmd = BATADV_CMD_GET_DAT_CACHE,
1441 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1442 .flags = GENL_ADMIN_PERM,
1443 .dumpit = batadv_dat_cache_dump,
1444 },
1445 {
1446 .cmd = BATADV_CMD_GET_MCAST_FLAGS,
1447 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1448 .flags = GENL_ADMIN_PERM,
1449 .dumpit = batadv_mcast_flags_dump,
1450 },
1451 {
1452 .cmd = BATADV_CMD_SET_MESH,
1453 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1454 .flags = GENL_ADMIN_PERM,
1455 .doit = batadv_netlink_set_mesh,
1456 .internal_flags = BATADV_FLAG_NEED_MESH,
1457 },
1458 {
1459 .cmd = BATADV_CMD_SET_HARDIF,
1460 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1461 .flags = GENL_ADMIN_PERM,
1462 .doit = batadv_netlink_set_hardif,
1463 .internal_flags = BATADV_FLAG_NEED_MESH |
1464 BATADV_FLAG_NEED_HARDIF,
1465 },
1466 {
1467 .cmd = BATADV_CMD_GET_VLAN,
1468 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1469
1470 .doit = batadv_netlink_get_vlan,
1471 .internal_flags = BATADV_FLAG_NEED_MESH |
1472 BATADV_FLAG_NEED_VLAN,
1473 },
1474 {
1475 .cmd = BATADV_CMD_SET_VLAN,
1476 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1477 .flags = GENL_ADMIN_PERM,
1478 .doit = batadv_netlink_set_vlan,
1479 .internal_flags = BATADV_FLAG_NEED_MESH |
1480 BATADV_FLAG_NEED_VLAN,
1481 },
1482};
1483
1484struct genl_family batadv_netlink_family __ro_after_init = {
1485 .hdrsize = 0,
1486 .name = BATADV_NL_NAME,
1487 .version = 1,
1488 .maxattr = BATADV_ATTR_MAX,
1489 .policy = batadv_netlink_policy,
1490 .netnsok = true,
1491 .pre_doit = batadv_pre_doit,
1492 .post_doit = batadv_post_doit,
1493 .module = THIS_MODULE,
1494 .small_ops = batadv_netlink_ops,
1495 .n_small_ops = ARRAY_SIZE(batadv_netlink_ops),
1496 .mcgrps = batadv_netlink_mcgrps,
1497 .n_mcgrps = ARRAY_SIZE(batadv_netlink_mcgrps),
1498};
1499
1500
1501
1502
1503void __init batadv_netlink_register(void)
1504{
1505 int ret;
1506
1507 ret = genl_register_family(&batadv_netlink_family);
1508 if (ret)
1509 pr_warn("unable to register netlink family");
1510}
1511
1512
1513
1514
1515void batadv_netlink_unregister(void)
1516{
1517 genl_unregister_family(&batadv_netlink_family);
1518}
1519
