1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2016-2020 B.A.T.M.A.N. contributors:
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/netdevice.h>
27 #include <linux/netlink.h>
28 #include <linux/printk.h>
29 #include <linux/rtnetlink.h>
30 #include <linux/skbuff.h>
31 #include <linux/stddef.h>
32 #include <linux/types.h>
33 #include <net/genetlink.h>
34 #include <net/net_namespace.h>
35 #include <net/netlink.h>
37 #include <uapi/linux/batadv_packet.h>
38 #include <uapi/linux/batman_adv.h>
41 #include "bridge_loop_avoidance.h"
42 #include "distributed-arp-table.h"
43 #include "gateway_client.h"
44 #include "gateway_common.h"
45 #include "hard-interface.h"
47 #include "multicast.h"
48 #include "network-coding.h"
49 #include "originator.h"
50 #include "soft-interface.h"
52 #include "translation-table.h"
54 struct genl_family batadv_netlink_family;
56 /* multicast groups */
57 enum batadv_netlink_multicast_groups {
58 BATADV_NL_MCGRP_CONFIG,
59 BATADV_NL_MCGRP_TPMETER,
63 * enum batadv_genl_ops_flags - flags for genl_ops's internal_flags
65 enum batadv_genl_ops_flags {
67 * @BATADV_FLAG_NEED_MESH: request requires valid soft interface in
68 * attribute BATADV_ATTR_MESH_IFINDEX and expects a pointer to it to be
69 * saved in info->user_ptr[0]
71 BATADV_FLAG_NEED_MESH = BIT(0),
74 * @BATADV_FLAG_NEED_HARDIF: request requires valid hard interface in
75 * attribute BATADV_ATTR_HARD_IFINDEX and expects a pointer to it to be
76 * saved in info->user_ptr[1]
78 BATADV_FLAG_NEED_HARDIF = BIT(1),
81 * @BATADV_FLAG_NEED_VLAN: request requires valid vlan in
82 * attribute BATADV_ATTR_VLANID and expects a pointer to it to be
83 * saved in info->user_ptr[1]
85 BATADV_FLAG_NEED_VLAN = BIT(2),
88 static const struct genl_multicast_group batadv_netlink_mcgrps[] = {
89 [BATADV_NL_MCGRP_CONFIG] = { .name = BATADV_NL_MCAST_GROUP_CONFIG },
90 [BATADV_NL_MCGRP_TPMETER] = { .name = BATADV_NL_MCAST_GROUP_TPMETER },
93 static const struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = {
94 [BATADV_ATTR_VERSION] = { .type = NLA_STRING },
95 [BATADV_ATTR_ALGO_NAME] = { .type = NLA_STRING },
96 [BATADV_ATTR_MESH_IFINDEX] = { .type = NLA_U32 },
97 [BATADV_ATTR_MESH_IFNAME] = { .type = NLA_STRING },
98 [BATADV_ATTR_MESH_ADDRESS] = { .len = ETH_ALEN },
99 [BATADV_ATTR_HARD_IFINDEX] = { .type = NLA_U32 },
100 [BATADV_ATTR_HARD_IFNAME] = { .type = NLA_STRING },
101 [BATADV_ATTR_HARD_ADDRESS] = { .len = ETH_ALEN },
102 [BATADV_ATTR_ORIG_ADDRESS] = { .len = ETH_ALEN },
103 [BATADV_ATTR_TPMETER_RESULT] = { .type = NLA_U8 },
104 [BATADV_ATTR_TPMETER_TEST_TIME] = { .type = NLA_U32 },
105 [BATADV_ATTR_TPMETER_BYTES] = { .type = NLA_U64 },
106 [BATADV_ATTR_TPMETER_COOKIE] = { .type = NLA_U32 },
107 [BATADV_ATTR_ACTIVE] = { .type = NLA_FLAG },
108 [BATADV_ATTR_TT_ADDRESS] = { .len = ETH_ALEN },
109 [BATADV_ATTR_TT_TTVN] = { .type = NLA_U8 },
110 [BATADV_ATTR_TT_LAST_TTVN] = { .type = NLA_U8 },
111 [BATADV_ATTR_TT_CRC32] = { .type = NLA_U32 },
112 [BATADV_ATTR_TT_VID] = { .type = NLA_U16 },
113 [BATADV_ATTR_TT_FLAGS] = { .type = NLA_U32 },
114 [BATADV_ATTR_FLAG_BEST] = { .type = NLA_FLAG },
115 [BATADV_ATTR_LAST_SEEN_MSECS] = { .type = NLA_U32 },
116 [BATADV_ATTR_NEIGH_ADDRESS] = { .len = ETH_ALEN },
117 [BATADV_ATTR_TQ] = { .type = NLA_U8 },
118 [BATADV_ATTR_THROUGHPUT] = { .type = NLA_U32 },
119 [BATADV_ATTR_BANDWIDTH_UP] = { .type = NLA_U32 },
120 [BATADV_ATTR_BANDWIDTH_DOWN] = { .type = NLA_U32 },
121 [BATADV_ATTR_ROUTER] = { .len = ETH_ALEN },
122 [BATADV_ATTR_BLA_OWN] = { .type = NLA_FLAG },
123 [BATADV_ATTR_BLA_ADDRESS] = { .len = ETH_ALEN },
124 [BATADV_ATTR_BLA_VID] = { .type = NLA_U16 },
125 [BATADV_ATTR_BLA_BACKBONE] = { .len = ETH_ALEN },
126 [BATADV_ATTR_BLA_CRC] = { .type = NLA_U16 },
127 [BATADV_ATTR_DAT_CACHE_IP4ADDRESS] = { .type = NLA_U32 },
128 [BATADV_ATTR_DAT_CACHE_HWADDRESS] = { .len = ETH_ALEN },
129 [BATADV_ATTR_DAT_CACHE_VID] = { .type = NLA_U16 },
130 [BATADV_ATTR_MCAST_FLAGS] = { .type = NLA_U32 },
131 [BATADV_ATTR_MCAST_FLAGS_PRIV] = { .type = NLA_U32 },
132 [BATADV_ATTR_VLANID] = { .type = NLA_U16 },
133 [BATADV_ATTR_AGGREGATED_OGMS_ENABLED] = { .type = NLA_U8 },
134 [BATADV_ATTR_AP_ISOLATION_ENABLED] = { .type = NLA_U8 },
135 [BATADV_ATTR_ISOLATION_MARK] = { .type = NLA_U32 },
136 [BATADV_ATTR_ISOLATION_MASK] = { .type = NLA_U32 },
137 [BATADV_ATTR_BONDING_ENABLED] = { .type = NLA_U8 },
138 [BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED] = { .type = NLA_U8 },
139 [BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED] = { .type = NLA_U8 },
140 [BATADV_ATTR_FRAGMENTATION_ENABLED] = { .type = NLA_U8 },
141 [BATADV_ATTR_GW_BANDWIDTH_DOWN] = { .type = NLA_U32 },
142 [BATADV_ATTR_GW_BANDWIDTH_UP] = { .type = NLA_U32 },
143 [BATADV_ATTR_GW_MODE] = { .type = NLA_U8 },
144 [BATADV_ATTR_GW_SEL_CLASS] = { .type = NLA_U32 },
145 [BATADV_ATTR_HOP_PENALTY] = { .type = NLA_U8 },
146 [BATADV_ATTR_LOG_LEVEL] = { .type = NLA_U32 },
147 [BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED] = { .type = NLA_U8 },
148 [BATADV_ATTR_MULTICAST_FANOUT] = { .type = NLA_U32 },
149 [BATADV_ATTR_NETWORK_CODING_ENABLED] = { .type = NLA_U8 },
150 [BATADV_ATTR_ORIG_INTERVAL] = { .type = NLA_U32 },
151 [BATADV_ATTR_ELP_INTERVAL] = { .type = NLA_U32 },
152 [BATADV_ATTR_THROUGHPUT_OVERRIDE] = { .type = NLA_U32 },
156 * batadv_netlink_get_ifindex() - Extract an interface index from a message
157 * @nlh: Message header
158 * @attrtype: Attribute which holds an interface index
160 * Return: interface index, or 0.
163 batadv_netlink_get_ifindex(const struct nlmsghdr *nlh, int attrtype)
165 struct nlattr *attr = nlmsg_find_attr(nlh, GENL_HDRLEN, attrtype);
167 return (attr && nla_len(attr) == sizeof(u32)) ? nla_get_u32(attr) : 0;
171 * batadv_netlink_mesh_fill_ap_isolation() - Add ap_isolation softif attribute
172 * @msg: Netlink message to dump into
173 * @bat_priv: the bat priv with all the soft interface information
175 * Return: 0 on success or negative error number in case of failure
177 static int batadv_netlink_mesh_fill_ap_isolation(struct sk_buff *msg,
178 struct batadv_priv *bat_priv)
180 struct batadv_softif_vlan *vlan;
183 vlan = batadv_softif_vlan_get(bat_priv, BATADV_NO_FLAGS);
187 ap_isolation = atomic_read(&vlan->ap_isolation);
188 batadv_softif_vlan_put(vlan);
190 return nla_put_u8(msg, BATADV_ATTR_AP_ISOLATION_ENABLED,
195 * batadv_option_set_ap_isolation() - Set ap_isolation from genl msg
196 * @attr: parsed BATADV_ATTR_AP_ISOLATION_ENABLED attribute
197 * @bat_priv: the bat priv with all the soft interface information
199 * Return: 0 on success or negative error number in case of failure
201 static int batadv_netlink_set_mesh_ap_isolation(struct nlattr *attr,
202 struct batadv_priv *bat_priv)
204 struct batadv_softif_vlan *vlan;
206 vlan = batadv_softif_vlan_get(bat_priv, BATADV_NO_FLAGS);
210 atomic_set(&vlan->ap_isolation, !!nla_get_u8(attr));
211 batadv_softif_vlan_put(vlan);
217 * batadv_netlink_mesh_fill() - Fill message with mesh attributes
218 * @msg: Netlink message to dump into
219 * @bat_priv: the bat priv with all the soft interface information
220 * @cmd: type of message to generate
221 * @portid: Port making netlink request
222 * @seq: sequence number for message
223 * @flags: Additional flags for message
225 * Return: 0 on success or negative error number in case of failure
227 static int batadv_netlink_mesh_fill(struct sk_buff *msg,
228 struct batadv_priv *bat_priv,
229 enum batadv_nl_commands cmd,
230 u32 portid, u32 seq, int flags)
232 struct net_device *soft_iface = bat_priv->soft_iface;
233 struct batadv_hard_iface *primary_if = NULL;
234 struct net_device *hard_iface;
237 hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, flags, cmd);
241 if (nla_put_string(msg, BATADV_ATTR_VERSION, BATADV_SOURCE_VERSION) ||
242 nla_put_string(msg, BATADV_ATTR_ALGO_NAME,
243 bat_priv->algo_ops->name) ||
244 nla_put_u32(msg, BATADV_ATTR_MESH_IFINDEX, soft_iface->ifindex) ||
245 nla_put_string(msg, BATADV_ATTR_MESH_IFNAME, soft_iface->name) ||
246 nla_put(msg, BATADV_ATTR_MESH_ADDRESS, ETH_ALEN,
247 soft_iface->dev_addr) ||
248 nla_put_u8(msg, BATADV_ATTR_TT_TTVN,
249 (u8)atomic_read(&bat_priv->tt.vn)))
250 goto nla_put_failure;
252 #ifdef CONFIG_BATMAN_ADV_BLA
253 if (nla_put_u16(msg, BATADV_ATTR_BLA_CRC,
254 ntohs(bat_priv->bla.claim_dest.group)))
255 goto nla_put_failure;
258 if (batadv_mcast_mesh_info_put(msg, bat_priv))
259 goto nla_put_failure;
261 primary_if = batadv_primary_if_get_selected(bat_priv);
262 if (primary_if && primary_if->if_status == BATADV_IF_ACTIVE) {
263 hard_iface = primary_if->net_dev;
265 if (nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
266 hard_iface->ifindex) ||
267 nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
269 nla_put(msg, BATADV_ATTR_HARD_ADDRESS, ETH_ALEN,
270 hard_iface->dev_addr))
271 goto nla_put_failure;
274 if (nla_put_u8(msg, BATADV_ATTR_AGGREGATED_OGMS_ENABLED,
275 !!atomic_read(&bat_priv->aggregated_ogms)))
276 goto nla_put_failure;
278 if (batadv_netlink_mesh_fill_ap_isolation(msg, bat_priv))
279 goto nla_put_failure;
281 if (nla_put_u32(msg, BATADV_ATTR_ISOLATION_MARK,
282 bat_priv->isolation_mark))
283 goto nla_put_failure;
285 if (nla_put_u32(msg, BATADV_ATTR_ISOLATION_MASK,
286 bat_priv->isolation_mark_mask))
287 goto nla_put_failure;
289 if (nla_put_u8(msg, BATADV_ATTR_BONDING_ENABLED,
290 !!atomic_read(&bat_priv->bonding)))
291 goto nla_put_failure;
293 #ifdef CONFIG_BATMAN_ADV_BLA
294 if (nla_put_u8(msg, BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED,
295 !!atomic_read(&bat_priv->bridge_loop_avoidance)))
296 goto nla_put_failure;
297 #endif /* CONFIG_BATMAN_ADV_BLA */
299 #ifdef CONFIG_BATMAN_ADV_DAT
300 if (nla_put_u8(msg, BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED,
301 !!atomic_read(&bat_priv->distributed_arp_table)))
302 goto nla_put_failure;
303 #endif /* CONFIG_BATMAN_ADV_DAT */
305 if (nla_put_u8(msg, BATADV_ATTR_FRAGMENTATION_ENABLED,
306 !!atomic_read(&bat_priv->fragmentation)))
307 goto nla_put_failure;
309 if (nla_put_u32(msg, BATADV_ATTR_GW_BANDWIDTH_DOWN,
310 atomic_read(&bat_priv->gw.bandwidth_down)))
311 goto nla_put_failure;
313 if (nla_put_u32(msg, BATADV_ATTR_GW_BANDWIDTH_UP,
314 atomic_read(&bat_priv->gw.bandwidth_up)))
315 goto nla_put_failure;
317 if (nla_put_u8(msg, BATADV_ATTR_GW_MODE,
318 atomic_read(&bat_priv->gw.mode)))
319 goto nla_put_failure;
321 if (bat_priv->algo_ops->gw.get_best_gw_node &&
322 bat_priv->algo_ops->gw.is_eligible) {
323 /* GW selection class is not available if the routing algorithm
324 * in use does not implement the GW API
326 if (nla_put_u32(msg, BATADV_ATTR_GW_SEL_CLASS,
327 atomic_read(&bat_priv->gw.sel_class)))
328 goto nla_put_failure;
331 if (nla_put_u8(msg, BATADV_ATTR_HOP_PENALTY,
332 atomic_read(&bat_priv->hop_penalty)))
333 goto nla_put_failure;
335 #ifdef CONFIG_BATMAN_ADV_DEBUG
336 if (nla_put_u32(msg, BATADV_ATTR_LOG_LEVEL,
337 atomic_read(&bat_priv->log_level)))
338 goto nla_put_failure;
339 #endif /* CONFIG_BATMAN_ADV_DEBUG */
341 #ifdef CONFIG_BATMAN_ADV_MCAST
342 if (nla_put_u8(msg, BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED,
343 !atomic_read(&bat_priv->multicast_mode)))
344 goto nla_put_failure;
346 if (nla_put_u32(msg, BATADV_ATTR_MULTICAST_FANOUT,
347 atomic_read(&bat_priv->multicast_fanout)))
348 goto nla_put_failure;
349 #endif /* CONFIG_BATMAN_ADV_MCAST */
351 #ifdef CONFIG_BATMAN_ADV_NC
352 if (nla_put_u8(msg, BATADV_ATTR_NETWORK_CODING_ENABLED,
353 !!atomic_read(&bat_priv->network_coding)))
354 goto nla_put_failure;
355 #endif /* CONFIG_BATMAN_ADV_NC */
357 if (nla_put_u32(msg, BATADV_ATTR_ORIG_INTERVAL,
358 atomic_read(&bat_priv->orig_interval)))
359 goto nla_put_failure;
362 batadv_hardif_put(primary_if);
364 genlmsg_end(msg, hdr);
369 batadv_hardif_put(primary_if);
371 genlmsg_cancel(msg, hdr);
376 * batadv_netlink_notify_mesh() - send softif attributes to listener
377 * @bat_priv: the bat priv with all the soft interface information
379 * Return: 0 on success, < 0 on error
381 int batadv_netlink_notify_mesh(struct batadv_priv *bat_priv)
386 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
390 ret = batadv_netlink_mesh_fill(msg, bat_priv, BATADV_CMD_SET_MESH,
397 genlmsg_multicast_netns(&batadv_netlink_family,
398 dev_net(bat_priv->soft_iface), msg, 0,
399 BATADV_NL_MCGRP_CONFIG, GFP_KERNEL);
405 * batadv_netlink_get_mesh() - Get softif attributes
406 * @skb: Netlink message with request data
407 * @info: receiver information
409 * Return: 0 on success or negative error number in case of failure
411 static int batadv_netlink_get_mesh(struct sk_buff *skb, struct genl_info *info)
413 struct batadv_priv *bat_priv = info->user_ptr[0];
417 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
421 ret = batadv_netlink_mesh_fill(msg, bat_priv, BATADV_CMD_GET_MESH,
422 info->snd_portid, info->snd_seq, 0);
428 ret = genlmsg_reply(msg, info);
434 * batadv_netlink_set_mesh() - Set softif attributes
435 * @skb: Netlink message with request data
436 * @info: receiver information
438 * Return: 0 on success or negative error number in case of failure
440 static int batadv_netlink_set_mesh(struct sk_buff *skb, struct genl_info *info)
442 struct batadv_priv *bat_priv = info->user_ptr[0];
445 if (info->attrs[BATADV_ATTR_AGGREGATED_OGMS_ENABLED]) {
446 attr = info->attrs[BATADV_ATTR_AGGREGATED_OGMS_ENABLED];
448 atomic_set(&bat_priv->aggregated_ogms, !!nla_get_u8(attr));
451 if (info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED]) {
452 attr = info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED];
454 batadv_netlink_set_mesh_ap_isolation(attr, bat_priv);
457 if (info->attrs[BATADV_ATTR_ISOLATION_MARK]) {
458 attr = info->attrs[BATADV_ATTR_ISOLATION_MARK];
460 bat_priv->isolation_mark = nla_get_u32(attr);
463 if (info->attrs[BATADV_ATTR_ISOLATION_MASK]) {
464 attr = info->attrs[BATADV_ATTR_ISOLATION_MASK];
466 bat_priv->isolation_mark_mask = nla_get_u32(attr);
469 if (info->attrs[BATADV_ATTR_BONDING_ENABLED]) {
470 attr = info->attrs[BATADV_ATTR_BONDING_ENABLED];
472 atomic_set(&bat_priv->bonding, !!nla_get_u8(attr));
475 #ifdef CONFIG_BATMAN_ADV_BLA
476 if (info->attrs[BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED]) {
477 attr = info->attrs[BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED];
479 atomic_set(&bat_priv->bridge_loop_avoidance,
481 batadv_bla_status_update(bat_priv->soft_iface);
483 #endif /* CONFIG_BATMAN_ADV_BLA */
485 #ifdef CONFIG_BATMAN_ADV_DAT
486 if (info->attrs[BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED]) {
487 attr = info->attrs[BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED];
489 atomic_set(&bat_priv->distributed_arp_table,
491 batadv_dat_status_update(bat_priv->soft_iface);
493 #endif /* CONFIG_BATMAN_ADV_DAT */
495 if (info->attrs[BATADV_ATTR_FRAGMENTATION_ENABLED]) {
496 attr = info->attrs[BATADV_ATTR_FRAGMENTATION_ENABLED];
498 atomic_set(&bat_priv->fragmentation, !!nla_get_u8(attr));
499 batadv_update_min_mtu(bat_priv->soft_iface);
502 if (info->attrs[BATADV_ATTR_GW_BANDWIDTH_DOWN]) {
503 attr = info->attrs[BATADV_ATTR_GW_BANDWIDTH_DOWN];
505 atomic_set(&bat_priv->gw.bandwidth_down, nla_get_u32(attr));
506 batadv_gw_tvlv_container_update(bat_priv);
509 if (info->attrs[BATADV_ATTR_GW_BANDWIDTH_UP]) {
510 attr = info->attrs[BATADV_ATTR_GW_BANDWIDTH_UP];
512 atomic_set(&bat_priv->gw.bandwidth_up, nla_get_u32(attr));
513 batadv_gw_tvlv_container_update(bat_priv);
516 if (info->attrs[BATADV_ATTR_GW_MODE]) {
519 attr = info->attrs[BATADV_ATTR_GW_MODE];
520 gw_mode = nla_get_u8(attr);
522 if (gw_mode <= BATADV_GW_MODE_SERVER) {
523 /* Invoking batadv_gw_reselect() is not enough to really
524 * de-select the current GW. It will only instruct the
525 * gateway client code to perform a re-election the next
526 * time that this is needed.
528 * When gw client mode is being switched off the current
529 * GW must be de-selected explicitly otherwise no GW_ADD
530 * uevent is thrown on client mode re-activation. This
531 * is operation is performed in
532 * batadv_gw_check_client_stop().
534 batadv_gw_reselect(bat_priv);
536 /* always call batadv_gw_check_client_stop() before
537 * changing the gateway state
539 batadv_gw_check_client_stop(bat_priv);
540 atomic_set(&bat_priv->gw.mode, gw_mode);
541 batadv_gw_tvlv_container_update(bat_priv);
545 if (info->attrs[BATADV_ATTR_GW_SEL_CLASS] &&
546 bat_priv->algo_ops->gw.get_best_gw_node &&
547 bat_priv->algo_ops->gw.is_eligible) {
548 /* setting the GW selection class is allowed only if the routing
549 * algorithm in use implements the GW API
552 u32 sel_class_max = 0xffffffffu;
555 attr = info->attrs[BATADV_ATTR_GW_SEL_CLASS];
556 sel_class = nla_get_u32(attr);
558 if (!bat_priv->algo_ops->gw.store_sel_class)
559 sel_class_max = BATADV_TQ_MAX_VALUE;
561 if (sel_class >= 1 && sel_class <= sel_class_max) {
562 atomic_set(&bat_priv->gw.sel_class, sel_class);
563 batadv_gw_reselect(bat_priv);
567 if (info->attrs[BATADV_ATTR_HOP_PENALTY]) {
568 attr = info->attrs[BATADV_ATTR_HOP_PENALTY];
570 atomic_set(&bat_priv->hop_penalty, nla_get_u8(attr));
573 #ifdef CONFIG_BATMAN_ADV_DEBUG
574 if (info->attrs[BATADV_ATTR_LOG_LEVEL]) {
575 attr = info->attrs[BATADV_ATTR_LOG_LEVEL];
577 atomic_set(&bat_priv->log_level,
578 nla_get_u32(attr) & BATADV_DBG_ALL);
580 #endif /* CONFIG_BATMAN_ADV_DEBUG */
582 #ifdef CONFIG_BATMAN_ADV_MCAST
583 if (info->attrs[BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED]) {
584 attr = info->attrs[BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED];
586 atomic_set(&bat_priv->multicast_mode, !nla_get_u8(attr));
589 if (info->attrs[BATADV_ATTR_MULTICAST_FANOUT]) {
590 attr = info->attrs[BATADV_ATTR_MULTICAST_FANOUT];
592 atomic_set(&bat_priv->multicast_fanout, nla_get_u32(attr));
594 #endif /* CONFIG_BATMAN_ADV_MCAST */
596 #ifdef CONFIG_BATMAN_ADV_NC
597 if (info->attrs[BATADV_ATTR_NETWORK_CODING_ENABLED]) {
598 attr = info->attrs[BATADV_ATTR_NETWORK_CODING_ENABLED];
600 atomic_set(&bat_priv->network_coding, !!nla_get_u8(attr));
601 batadv_nc_status_update(bat_priv->soft_iface);
603 #endif /* CONFIG_BATMAN_ADV_NC */
605 if (info->attrs[BATADV_ATTR_ORIG_INTERVAL]) {
608 attr = info->attrs[BATADV_ATTR_ORIG_INTERVAL];
609 orig_interval = nla_get_u32(attr);
611 orig_interval = min_t(u32, orig_interval, INT_MAX);
612 orig_interval = max_t(u32, orig_interval, 2 * BATADV_JITTER);
614 atomic_set(&bat_priv->orig_interval, orig_interval);
617 batadv_netlink_notify_mesh(bat_priv);
623 * batadv_netlink_tp_meter_put() - Fill information of started tp_meter session
624 * @msg: netlink message to be sent back
625 * @cookie: tp meter session cookie
627 * Return: 0 on success, < 0 on error
630 batadv_netlink_tp_meter_put(struct sk_buff *msg, u32 cookie)
632 if (nla_put_u32(msg, BATADV_ATTR_TPMETER_COOKIE, cookie))
639 * batadv_netlink_tpmeter_notify() - send tp_meter result via netlink to client
640 * @bat_priv: the bat priv with all the soft interface information
641 * @dst: destination of tp_meter session
642 * @result: reason for tp meter session stop
643 * @test_time: total time of the tp_meter session
644 * @total_bytes: bytes acked to the receiver
645 * @cookie: cookie of tp_meter session
647 * Return: 0 on success, < 0 on error
649 int batadv_netlink_tpmeter_notify(struct batadv_priv *bat_priv, const u8 *dst,
650 u8 result, u32 test_time, u64 total_bytes,
657 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
661 hdr = genlmsg_put(msg, 0, 0, &batadv_netlink_family, 0,
662 BATADV_CMD_TP_METER);
668 if (nla_put_u32(msg, BATADV_ATTR_TPMETER_COOKIE, cookie))
669 goto nla_put_failure;
671 if (nla_put_u32(msg, BATADV_ATTR_TPMETER_TEST_TIME, test_time))
672 goto nla_put_failure;
674 if (nla_put_u64_64bit(msg, BATADV_ATTR_TPMETER_BYTES, total_bytes,
676 goto nla_put_failure;
678 if (nla_put_u8(msg, BATADV_ATTR_TPMETER_RESULT, result))
679 goto nla_put_failure;
681 if (nla_put(msg, BATADV_ATTR_ORIG_ADDRESS, ETH_ALEN, dst))
682 goto nla_put_failure;
684 genlmsg_end(msg, hdr);
686 genlmsg_multicast_netns(&batadv_netlink_family,
687 dev_net(bat_priv->soft_iface), msg, 0,
688 BATADV_NL_MCGRP_TPMETER, GFP_KERNEL);
693 genlmsg_cancel(msg, hdr);
702 * batadv_netlink_tp_meter_start() - Start a new tp_meter session
703 * @skb: received netlink message
704 * @info: receiver information
706 * Return: 0 on success, < 0 on error
709 batadv_netlink_tp_meter_start(struct sk_buff *skb, struct genl_info *info)
711 struct batadv_priv *bat_priv = info->user_ptr[0];
712 struct sk_buff *msg = NULL;
719 if (!info->attrs[BATADV_ATTR_ORIG_ADDRESS])
722 if (!info->attrs[BATADV_ATTR_TPMETER_TEST_TIME])
725 dst = nla_data(info->attrs[BATADV_ATTR_ORIG_ADDRESS]);
727 test_length = nla_get_u32(info->attrs[BATADV_ATTR_TPMETER_TEST_TIME]);
729 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
735 msg_head = genlmsg_put(msg, info->snd_portid, info->snd_seq,
736 &batadv_netlink_family, 0,
737 BATADV_CMD_TP_METER);
743 batadv_tp_start(bat_priv, dst, test_length, &cookie);
745 ret = batadv_netlink_tp_meter_put(msg, cookie);
754 genlmsg_end(msg, msg_head);
755 return genlmsg_reply(msg, info);
759 * batadv_netlink_tp_meter_start() - Cancel a running tp_meter session
760 * @skb: received netlink message
761 * @info: receiver information
763 * Return: 0 on success, < 0 on error
766 batadv_netlink_tp_meter_cancel(struct sk_buff *skb, struct genl_info *info)
768 struct batadv_priv *bat_priv = info->user_ptr[0];
772 if (!info->attrs[BATADV_ATTR_ORIG_ADDRESS])
775 dst = nla_data(info->attrs[BATADV_ATTR_ORIG_ADDRESS]);
777 batadv_tp_stop(bat_priv, dst, BATADV_TP_REASON_CANCEL);
783 * batadv_netlink_hardif_fill() - Fill message with hardif attributes
784 * @msg: Netlink message to dump into
785 * @bat_priv: the bat priv with all the soft interface information
786 * @hard_iface: hard interface which was modified
787 * @cmd: type of message to generate
788 * @portid: Port making netlink request
789 * @seq: sequence number for message
790 * @flags: Additional flags for message
791 * @cb: Control block containing additional options
793 * Return: 0 on success or negative error number in case of failure
795 static int batadv_netlink_hardif_fill(struct sk_buff *msg,
796 struct batadv_priv *bat_priv,
797 struct batadv_hard_iface *hard_iface,
798 enum batadv_nl_commands cmd,
799 u32 portid, u32 seq, int flags,
800 struct netlink_callback *cb)
802 struct net_device *net_dev = hard_iface->net_dev;
805 hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, flags, cmd);
810 genl_dump_check_consistent(cb, hdr);
812 if (nla_put_u32(msg, BATADV_ATTR_MESH_IFINDEX,
813 bat_priv->soft_iface->ifindex))
814 goto nla_put_failure;
816 if (nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
818 nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
820 nla_put(msg, BATADV_ATTR_HARD_ADDRESS, ETH_ALEN,
822 goto nla_put_failure;
824 if (hard_iface->if_status == BATADV_IF_ACTIVE) {
825 if (nla_put_flag(msg, BATADV_ATTR_ACTIVE))
826 goto nla_put_failure;
829 if (nla_put_u8(msg, BATADV_ATTR_HOP_PENALTY,
830 atomic_read(&hard_iface->hop_penalty)))
831 goto nla_put_failure;
833 #ifdef CONFIG_BATMAN_ADV_BATMAN_V
834 if (nla_put_u32(msg, BATADV_ATTR_ELP_INTERVAL,
835 atomic_read(&hard_iface->bat_v.elp_interval)))
836 goto nla_put_failure;
838 if (nla_put_u32(msg, BATADV_ATTR_THROUGHPUT_OVERRIDE,
839 atomic_read(&hard_iface->bat_v.throughput_override)))
840 goto nla_put_failure;
841 #endif /* CONFIG_BATMAN_ADV_BATMAN_V */
843 genlmsg_end(msg, hdr);
847 genlmsg_cancel(msg, hdr);
852 * batadv_netlink_notify_hardif() - send hardif attributes to listener
853 * @bat_priv: the bat priv with all the soft interface information
854 * @hard_iface: hard interface which was modified
856 * Return: 0 on success, < 0 on error
858 int batadv_netlink_notify_hardif(struct batadv_priv *bat_priv,
859 struct batadv_hard_iface *hard_iface)
864 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
868 ret = batadv_netlink_hardif_fill(msg, bat_priv, hard_iface,
869 BATADV_CMD_SET_HARDIF, 0, 0, 0, NULL);
875 genlmsg_multicast_netns(&batadv_netlink_family,
876 dev_net(bat_priv->soft_iface), msg, 0,
877 BATADV_NL_MCGRP_CONFIG, GFP_KERNEL);
883 * batadv_netlink_get_hardif() - Get hardif attributes
884 * @skb: Netlink message with request data
885 * @info: receiver information
887 * Return: 0 on success or negative error number in case of failure
889 static int batadv_netlink_get_hardif(struct sk_buff *skb,
890 struct genl_info *info)
892 struct batadv_hard_iface *hard_iface = info->user_ptr[1];
893 struct batadv_priv *bat_priv = info->user_ptr[0];
897 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
901 ret = batadv_netlink_hardif_fill(msg, bat_priv, hard_iface,
902 BATADV_CMD_GET_HARDIF,
903 info->snd_portid, info->snd_seq, 0,
910 ret = genlmsg_reply(msg, info);
916 * batadv_netlink_set_hardif() - Set hardif attributes
917 * @skb: Netlink message with request data
918 * @info: receiver information
920 * Return: 0 on success or negative error number in case of failure
922 static int batadv_netlink_set_hardif(struct sk_buff *skb,
923 struct genl_info *info)
925 struct batadv_hard_iface *hard_iface = info->user_ptr[1];
926 struct batadv_priv *bat_priv = info->user_ptr[0];
929 if (info->attrs[BATADV_ATTR_HOP_PENALTY]) {
930 attr = info->attrs[BATADV_ATTR_HOP_PENALTY];
932 atomic_set(&hard_iface->hop_penalty, nla_get_u8(attr));
935 #ifdef CONFIG_BATMAN_ADV_BATMAN_V
937 if (info->attrs[BATADV_ATTR_ELP_INTERVAL]) {
938 attr = info->attrs[BATADV_ATTR_ELP_INTERVAL];
940 atomic_set(&hard_iface->bat_v.elp_interval, nla_get_u32(attr));
943 if (info->attrs[BATADV_ATTR_THROUGHPUT_OVERRIDE]) {
944 attr = info->attrs[BATADV_ATTR_THROUGHPUT_OVERRIDE];
946 atomic_set(&hard_iface->bat_v.throughput_override,
949 #endif /* CONFIG_BATMAN_ADV_BATMAN_V */
951 batadv_netlink_notify_hardif(bat_priv, hard_iface);
957 * batadv_netlink_dump_hardif() - Dump all hard interface into a messages
958 * @msg: Netlink message to dump into
959 * @cb: Parameters from query
961 * Return: error code, or length of reply message on success
964 batadv_netlink_dump_hardif(struct sk_buff *msg, struct netlink_callback *cb)
966 struct net *net = sock_net(cb->skb->sk);
967 struct net_device *soft_iface;
968 struct batadv_hard_iface *hard_iface;
969 struct batadv_priv *bat_priv;
971 int portid = NETLINK_CB(cb->skb).portid;
972 int skip = cb->args[0];
975 ifindex = batadv_netlink_get_ifindex(cb->nlh,
976 BATADV_ATTR_MESH_IFINDEX);
980 soft_iface = dev_get_by_index(net, ifindex);
984 if (!batadv_softif_is_valid(soft_iface)) {
989 bat_priv = netdev_priv(soft_iface);
992 cb->seq = batadv_hardif_generation << 1 | 1;
994 list_for_each_entry(hard_iface, &batadv_hardif_list, list) {
995 if (hard_iface->soft_iface != soft_iface)
1001 if (batadv_netlink_hardif_fill(msg, bat_priv, hard_iface,
1002 BATADV_CMD_GET_HARDIF,
1003 portid, cb->nlh->nlmsg_seq,
1012 dev_put(soft_iface);
1020 * batadv_netlink_vlan_fill() - Fill message with vlan attributes
1021 * @msg: Netlink message to dump into
1022 * @bat_priv: the bat priv with all the soft interface information
1023 * @vlan: vlan which was modified
1024 * @cmd: type of message to generate
1025 * @portid: Port making netlink request
1026 * @seq: sequence number for message
1027 * @flags: Additional flags for message
1029 * Return: 0 on success or negative error number in case of failure
1031 static int batadv_netlink_vlan_fill(struct sk_buff *msg,
1032 struct batadv_priv *bat_priv,
1033 struct batadv_softif_vlan *vlan,
1034 enum batadv_nl_commands cmd,
1035 u32 portid, u32 seq, int flags)
1039 hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, flags, cmd);
1043 if (nla_put_u32(msg, BATADV_ATTR_MESH_IFINDEX,
1044 bat_priv->soft_iface->ifindex))
1045 goto nla_put_failure;
1047 if (nla_put_u32(msg, BATADV_ATTR_VLANID, vlan->vid & VLAN_VID_MASK))
1048 goto nla_put_failure;
1050 if (nla_put_u8(msg, BATADV_ATTR_AP_ISOLATION_ENABLED,
1051 !!atomic_read(&vlan->ap_isolation)))
1052 goto nla_put_failure;
1054 genlmsg_end(msg, hdr);
1058 genlmsg_cancel(msg, hdr);
1063 * batadv_netlink_notify_vlan() - send vlan attributes to listener
1064 * @bat_priv: the bat priv with all the soft interface information
1065 * @vlan: vlan which was modified
1067 * Return: 0 on success, < 0 on error
1069 int batadv_netlink_notify_vlan(struct batadv_priv *bat_priv,
1070 struct batadv_softif_vlan *vlan)
1072 struct sk_buff *msg;
1075 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1079 ret = batadv_netlink_vlan_fill(msg, bat_priv, vlan,
1080 BATADV_CMD_SET_VLAN, 0, 0, 0);
1086 genlmsg_multicast_netns(&batadv_netlink_family,
1087 dev_net(bat_priv->soft_iface), msg, 0,
1088 BATADV_NL_MCGRP_CONFIG, GFP_KERNEL);
1094 * batadv_netlink_get_vlan() - Get vlan attributes
1095 * @skb: Netlink message with request data
1096 * @info: receiver information
1098 * Return: 0 on success or negative error number in case of failure
1100 static int batadv_netlink_get_vlan(struct sk_buff *skb, struct genl_info *info)
1102 struct batadv_softif_vlan *vlan = info->user_ptr[1];
1103 struct batadv_priv *bat_priv = info->user_ptr[0];
1104 struct sk_buff *msg;
1107 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1111 ret = batadv_netlink_vlan_fill(msg, bat_priv, vlan, BATADV_CMD_GET_VLAN,
1112 info->snd_portid, info->snd_seq, 0);
1118 ret = genlmsg_reply(msg, info);
1124 * batadv_netlink_set_vlan() - Get vlan attributes
1125 * @skb: Netlink message with request data
1126 * @info: receiver information
1128 * Return: 0 on success or negative error number in case of failure
1130 static int batadv_netlink_set_vlan(struct sk_buff *skb, struct genl_info *info)
1132 struct batadv_softif_vlan *vlan = info->user_ptr[1];
1133 struct batadv_priv *bat_priv = info->user_ptr[0];
1134 struct nlattr *attr;
1136 if (info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED]) {
1137 attr = info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED];
1139 atomic_set(&vlan->ap_isolation, !!nla_get_u8(attr));
1142 batadv_netlink_notify_vlan(bat_priv, vlan);
1148 * batadv_get_softif_from_info() - Retrieve soft interface from genl attributes
1149 * @net: the applicable net namespace
1150 * @info: receiver information
1152 * Return: Pointer to soft interface (with increased refcnt) on success, error
1155 static struct net_device *
1156 batadv_get_softif_from_info(struct net *net, struct genl_info *info)
1158 struct net_device *soft_iface;
1161 if (!info->attrs[BATADV_ATTR_MESH_IFINDEX])
1162 return ERR_PTR(-EINVAL);
1164 ifindex = nla_get_u32(info->attrs[BATADV_ATTR_MESH_IFINDEX]);
1166 soft_iface = dev_get_by_index(net, ifindex);
1168 return ERR_PTR(-ENODEV);
1170 if (!batadv_softif_is_valid(soft_iface))
1171 goto err_put_softif;
1176 dev_put(soft_iface);
1178 return ERR_PTR(-EINVAL);
1182 * batadv_get_hardif_from_info() - Retrieve hardif from genl attributes
1183 * @bat_priv: the bat priv with all the soft interface information
1184 * @net: the applicable net namespace
1185 * @info: receiver information
1187 * Return: Pointer to hard interface (with increased refcnt) on success, error
1190 static struct batadv_hard_iface *
1191 batadv_get_hardif_from_info(struct batadv_priv *bat_priv, struct net *net,
1192 struct genl_info *info)
1194 struct batadv_hard_iface *hard_iface;
1195 struct net_device *hard_dev;
1196 unsigned int hardif_index;
1198 if (!info->attrs[BATADV_ATTR_HARD_IFINDEX])
1199 return ERR_PTR(-EINVAL);
1201 hardif_index = nla_get_u32(info->attrs[BATADV_ATTR_HARD_IFINDEX]);
1203 hard_dev = dev_get_by_index(net, hardif_index);
1205 return ERR_PTR(-ENODEV);
1207 hard_iface = batadv_hardif_get_by_netdev(hard_dev);
1209 goto err_put_harddev;
1211 if (hard_iface->soft_iface != bat_priv->soft_iface)
1212 goto err_put_hardif;
1214 /* hard_dev is referenced by hard_iface and not needed here */
1220 batadv_hardif_put(hard_iface);
1224 return ERR_PTR(-EINVAL);
1228 * batadv_get_vlan_from_info() - Retrieve vlan from genl attributes
1229 * @bat_priv: the bat priv with all the soft interface information
1230 * @net: the applicable net namespace
1231 * @info: receiver information
1233 * Return: Pointer to vlan on success (with increased refcnt), error pointer
1236 static struct batadv_softif_vlan *
1237 batadv_get_vlan_from_info(struct batadv_priv *bat_priv, struct net *net,
1238 struct genl_info *info)
1240 struct batadv_softif_vlan *vlan;
1243 if (!info->attrs[BATADV_ATTR_VLANID])
1244 return ERR_PTR(-EINVAL);
1246 vid = nla_get_u16(info->attrs[BATADV_ATTR_VLANID]);
1248 vlan = batadv_softif_vlan_get(bat_priv, vid | BATADV_VLAN_HAS_TAG);
1250 return ERR_PTR(-ENOENT);
1256 * batadv_pre_doit() - Prepare batman-adv genl doit request
1257 * @ops: requested netlink operation
1258 * @skb: Netlink message with request data
1259 * @info: receiver information
1261 * Return: 0 on success or negative error number in case of failure
1263 static int batadv_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
1264 struct genl_info *info)
1266 struct net *net = genl_info_net(info);
1267 struct batadv_hard_iface *hard_iface;
1268 struct batadv_priv *bat_priv = NULL;
1269 struct batadv_softif_vlan *vlan;
1270 struct net_device *soft_iface;
1275 user_ptr1_flags = BATADV_FLAG_NEED_HARDIF | BATADV_FLAG_NEED_VLAN;
1276 if (WARN_ON(hweight8(ops->internal_flags & user_ptr1_flags) > 1))
1279 mesh_dep_flags = BATADV_FLAG_NEED_HARDIF | BATADV_FLAG_NEED_VLAN;
1280 if (WARN_ON((ops->internal_flags & mesh_dep_flags) &&
1281 (~ops->internal_flags & BATADV_FLAG_NEED_MESH)))
1284 if (ops->internal_flags & BATADV_FLAG_NEED_MESH) {
1285 soft_iface = batadv_get_softif_from_info(net, info);
1286 if (IS_ERR(soft_iface))
1287 return PTR_ERR(soft_iface);
1289 bat_priv = netdev_priv(soft_iface);
1290 info->user_ptr[0] = bat_priv;
1293 if (ops->internal_flags & BATADV_FLAG_NEED_HARDIF) {
1294 hard_iface = batadv_get_hardif_from_info(bat_priv, net, info);
1295 if (IS_ERR(hard_iface)) {
1296 ret = PTR_ERR(hard_iface);
1297 goto err_put_softif;
1300 info->user_ptr[1] = hard_iface;
1303 if (ops->internal_flags & BATADV_FLAG_NEED_VLAN) {
1304 vlan = batadv_get_vlan_from_info(bat_priv, net, info);
1306 ret = PTR_ERR(vlan);
1307 goto err_put_softif;
1310 info->user_ptr[1] = vlan;
1317 dev_put(bat_priv->soft_iface);
1323 * batadv_post_doit() - End batman-adv genl doit request
1324 * @ops: requested netlink operation
1325 * @skb: Netlink message with request data
1326 * @info: receiver information
1328 static void batadv_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
1329 struct genl_info *info)
1331 struct batadv_hard_iface *hard_iface;
1332 struct batadv_softif_vlan *vlan;
1333 struct batadv_priv *bat_priv;
1335 if (ops->internal_flags & BATADV_FLAG_NEED_HARDIF &&
1336 info->user_ptr[1]) {
1337 hard_iface = info->user_ptr[1];
1339 batadv_hardif_put(hard_iface);
1342 if (ops->internal_flags & BATADV_FLAG_NEED_VLAN && info->user_ptr[1]) {
1343 vlan = info->user_ptr[1];
1344 batadv_softif_vlan_put(vlan);
1347 if (ops->internal_flags & BATADV_FLAG_NEED_MESH && info->user_ptr[0]) {
1348 bat_priv = info->user_ptr[0];
1349 dev_put(bat_priv->soft_iface);
1353 static const struct genl_small_ops batadv_netlink_ops[] = {
1355 .cmd = BATADV_CMD_GET_MESH,
1356 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1357 /* can be retrieved by unprivileged users */
1358 .doit = batadv_netlink_get_mesh,
1359 .internal_flags = BATADV_FLAG_NEED_MESH,
1362 .cmd = BATADV_CMD_TP_METER,
1363 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1364 .flags = GENL_ADMIN_PERM,
1365 .doit = batadv_netlink_tp_meter_start,
1366 .internal_flags = BATADV_FLAG_NEED_MESH,
1369 .cmd = BATADV_CMD_TP_METER_CANCEL,
1370 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1371 .flags = GENL_ADMIN_PERM,
1372 .doit = batadv_netlink_tp_meter_cancel,
1373 .internal_flags = BATADV_FLAG_NEED_MESH,
1376 .cmd = BATADV_CMD_GET_ROUTING_ALGOS,
1377 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1378 .flags = GENL_ADMIN_PERM,
1379 .dumpit = batadv_algo_dump,
1382 .cmd = BATADV_CMD_GET_HARDIF,
1383 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1384 /* can be retrieved by unprivileged users */
1385 .dumpit = batadv_netlink_dump_hardif,
1386 .doit = batadv_netlink_get_hardif,
1387 .internal_flags = BATADV_FLAG_NEED_MESH |
1388 BATADV_FLAG_NEED_HARDIF,
1391 .cmd = BATADV_CMD_GET_TRANSTABLE_LOCAL,
1392 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1393 .flags = GENL_ADMIN_PERM,
1394 .dumpit = batadv_tt_local_dump,
1397 .cmd = BATADV_CMD_GET_TRANSTABLE_GLOBAL,
1398 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1399 .flags = GENL_ADMIN_PERM,
1400 .dumpit = batadv_tt_global_dump,
1403 .cmd = BATADV_CMD_GET_ORIGINATORS,
1404 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1405 .flags = GENL_ADMIN_PERM,
1406 .dumpit = batadv_orig_dump,
1409 .cmd = BATADV_CMD_GET_NEIGHBORS,
1410 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1411 .flags = GENL_ADMIN_PERM,
1412 .dumpit = batadv_hardif_neigh_dump,
1415 .cmd = BATADV_CMD_GET_GATEWAYS,
1416 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1417 .flags = GENL_ADMIN_PERM,
1418 .dumpit = batadv_gw_dump,
1421 .cmd = BATADV_CMD_GET_BLA_CLAIM,
1422 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1423 .flags = GENL_ADMIN_PERM,
1424 .dumpit = batadv_bla_claim_dump,
1427 .cmd = BATADV_CMD_GET_BLA_BACKBONE,
1428 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1429 .flags = GENL_ADMIN_PERM,
1430 .dumpit = batadv_bla_backbone_dump,
1433 .cmd = BATADV_CMD_GET_DAT_CACHE,
1434 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1435 .flags = GENL_ADMIN_PERM,
1436 .dumpit = batadv_dat_cache_dump,
1439 .cmd = BATADV_CMD_GET_MCAST_FLAGS,
1440 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1441 .flags = GENL_ADMIN_PERM,
1442 .dumpit = batadv_mcast_flags_dump,
1445 .cmd = BATADV_CMD_SET_MESH,
1446 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1447 .flags = GENL_ADMIN_PERM,
1448 .doit = batadv_netlink_set_mesh,
1449 .internal_flags = BATADV_FLAG_NEED_MESH,
1452 .cmd = BATADV_CMD_SET_HARDIF,
1453 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1454 .flags = GENL_ADMIN_PERM,
1455 .doit = batadv_netlink_set_hardif,
1456 .internal_flags = BATADV_FLAG_NEED_MESH |
1457 BATADV_FLAG_NEED_HARDIF,
1460 .cmd = BATADV_CMD_GET_VLAN,
1461 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1462 /* can be retrieved by unprivileged users */
1463 .doit = batadv_netlink_get_vlan,
1464 .internal_flags = BATADV_FLAG_NEED_MESH |
1465 BATADV_FLAG_NEED_VLAN,
1468 .cmd = BATADV_CMD_SET_VLAN,
1469 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1470 .flags = GENL_ADMIN_PERM,
1471 .doit = batadv_netlink_set_vlan,
1472 .internal_flags = BATADV_FLAG_NEED_MESH |
1473 BATADV_FLAG_NEED_VLAN,
1477 struct genl_family batadv_netlink_family __ro_after_init = {
1479 .name = BATADV_NL_NAME,
1481 .maxattr = BATADV_ATTR_MAX,
1482 .policy = batadv_netlink_policy,
1484 .pre_doit = batadv_pre_doit,
1485 .post_doit = batadv_post_doit,
1486 .module = THIS_MODULE,
1487 .small_ops = batadv_netlink_ops,
1488 .n_small_ops = ARRAY_SIZE(batadv_netlink_ops),
1489 .mcgrps = batadv_netlink_mcgrps,
1490 .n_mcgrps = ARRAY_SIZE(batadv_netlink_mcgrps),
1494 * batadv_netlink_register() - register batadv genl netlink family
1496 void __init batadv_netlink_register(void)
1500 ret = genl_register_family(&batadv_netlink_family);
1502 pr_warn("unable to register netlink family");
1506 * batadv_netlink_unregister() - unregister batadv genl netlink family
1508 void batadv_netlink_unregister(void)
1510 genl_unregister_family(&batadv_netlink_family);