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7db7d9f3 | 1 | // SPDX-License-Identifier: GPL-2.0 |
7a79d717 | 2 | /* Copyright (C) 2016-2019 B.A.T.M.A.N. contributors: |
09748a22 MS |
3 | * |
4 | * Matthias Schiffer | |
09748a22 MS |
5 | */ |
6 | ||
7 | #include "netlink.h" | |
8 | #include "main.h" | |
9 | ||
f32ed4b5 | 10 | #include <linux/atomic.h> |
c4a7a8d9 | 11 | #include <linux/bitops.h> |
5c55a40f | 12 | #include <linux/bug.h> |
8dad6f0d | 13 | #include <linux/byteorder/generic.h> |
9bcb94c8 | 14 | #include <linux/cache.h> |
c4a7a8d9 | 15 | #include <linux/err.h> |
5da0aef5 | 16 | #include <linux/errno.h> |
9bcb94c8 | 17 | #include <linux/export.h> |
09748a22 | 18 | #include <linux/genetlink.h> |
b92b94ac | 19 | #include <linux/gfp.h> |
5da0aef5 | 20 | #include <linux/if_ether.h> |
49e7e37c | 21 | #include <linux/if_vlan.h> |
09748a22 | 22 | #include <linux/init.h> |
9bcb94c8 | 23 | #include <linux/kernel.h> |
e1928752 | 24 | #include <linux/limits.h> |
fb69be69 | 25 | #include <linux/list.h> |
5da0aef5 MS |
26 | #include <linux/netdevice.h> |
27 | #include <linux/netlink.h> | |
09748a22 | 28 | #include <linux/printk.h> |
fb69be69 | 29 | #include <linux/rtnetlink.h> |
b60620cf | 30 | #include <linux/skbuff.h> |
5da0aef5 | 31 | #include <linux/stddef.h> |
33a3bb4a | 32 | #include <linux/types.h> |
09748a22 | 33 | #include <net/genetlink.h> |
68a600de | 34 | #include <net/net_namespace.h> |
5da0aef5 | 35 | #include <net/netlink.h> |
b60620cf | 36 | #include <net/sock.h> |
fec149f5 | 37 | #include <uapi/linux/batadv_packet.h> |
09748a22 MS |
38 | #include <uapi/linux/batman_adv.h> |
39 | ||
07a3061e | 40 | #include "bat_algo.h" |
04f3f5bf | 41 | #include "bridge_loop_avoidance.h" |
41aeefcc | 42 | #include "distributed-arp-table.h" |
d7129daf | 43 | #include "gateway_client.h" |
e2d0d35b | 44 | #include "gateway_common.h" |
5da0aef5 | 45 | #include "hard-interface.h" |
b85bd091 | 46 | #include "log.h" |
53dd9a68 | 47 | #include "multicast.h" |
6c57cde6 | 48 | #include "network-coding.h" |
85cf8c85 | 49 | #include "originator.h" |
5da0aef5 | 50 | #include "soft-interface.h" |
33a3bb4a | 51 | #include "tp_meter.h" |
d34f0550 | 52 | #include "translation-table.h" |
5da0aef5 | 53 | |
489111e5 | 54 | struct genl_family batadv_netlink_family; |
09748a22 | 55 | |
33a3bb4a AQ |
56 | /* multicast groups */ |
57 | enum batadv_netlink_multicast_groups { | |
60040513 | 58 | BATADV_NL_MCGRP_CONFIG, |
33a3bb4a AQ |
59 | BATADV_NL_MCGRP_TPMETER, |
60 | }; | |
61 | ||
c4a7a8d9 SE |
62 | /** |
63 | * enum batadv_genl_ops_flags - flags for genl_ops's internal_flags | |
64 | */ | |
65 | enum batadv_genl_ops_flags { | |
66 | /** | |
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] | |
70 | */ | |
71 | BATADV_FLAG_NEED_MESH = BIT(0), | |
5c55a40f SE |
72 | |
73 | /** | |
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] | |
77 | */ | |
78 | BATADV_FLAG_NEED_HARDIF = BIT(1), | |
49e7e37c SE |
79 | |
80 | /** | |
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] | |
84 | */ | |
85 | BATADV_FLAG_NEED_VLAN = BIT(2), | |
c4a7a8d9 SE |
86 | }; |
87 | ||
deeb91f5 | 88 | static const struct genl_multicast_group batadv_netlink_mcgrps[] = { |
60040513 | 89 | [BATADV_NL_MCGRP_CONFIG] = { .name = BATADV_NL_MCAST_GROUP_CONFIG }, |
33a3bb4a AQ |
90 | [BATADV_NL_MCGRP_TPMETER] = { .name = BATADV_NL_MCAST_GROUP_TPMETER }, |
91 | }; | |
92 | ||
deeb91f5 | 93 | static const struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = { |
41aeefcc LL |
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 }, | |
53dd9a68 LL |
130 | [BATADV_ATTR_MCAST_FLAGS] = { .type = NLA_U32 }, |
131 | [BATADV_ATTR_MCAST_FLAGS_PRIV] = { .type = NLA_U32 }, | |
49e7e37c | 132 | [BATADV_ATTR_VLANID] = { .type = NLA_U16 }, |
9ab4cee5 | 133 | [BATADV_ATTR_AGGREGATED_OGMS_ENABLED] = { .type = NLA_U8 }, |
e43d16b8 SE |
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 }, | |
d7e52506 | 137 | [BATADV_ATTR_BONDING_ENABLED] = { .type = NLA_U8 }, |
43ff6105 | 138 | [BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED] = { .type = NLA_U8 }, |
a1c8de80 | 139 | [BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED] = { .type = NLA_U8 }, |
3e15b06e | 140 | [BATADV_ATTR_FRAGMENTATION_ENABLED] = { .type = NLA_U8 }, |
e2d0d35b SE |
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 }, | |
bfc7f1be | 145 | [BATADV_ATTR_HOP_PENALTY] = { .type = NLA_U8 }, |
b85bd091 | 146 | [BATADV_ATTR_LOG_LEVEL] = { .type = NLA_U32 }, |
f75b56bc | 147 | [BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED] = { .type = NLA_U8 }, |
32e72744 | 148 | [BATADV_ATTR_MULTICAST_FANOUT] = { .type = NLA_U32 }, |
6c57cde6 | 149 | [BATADV_ATTR_NETWORK_CODING_ENABLED] = { .type = NLA_U8 }, |
7b751b39 | 150 | [BATADV_ATTR_ORIG_INTERVAL] = { .type = NLA_U32 }, |
a1080082 | 151 | [BATADV_ATTR_ELP_INTERVAL] = { .type = NLA_U32 }, |
9a182242 | 152 | [BATADV_ATTR_THROUGHPUT_OVERRIDE] = { .type = NLA_U32 }, |
5da0aef5 MS |
153 | }; |
154 | ||
b60620cf | 155 | /** |
7e9a8c2c | 156 | * batadv_netlink_get_ifindex() - Extract an interface index from a message |
b60620cf MS |
157 | * @nlh: Message header |
158 | * @attrtype: Attribute which holds an interface index | |
159 | * | |
160 | * Return: interface index, or 0. | |
161 | */ | |
d34f0550 | 162 | int |
b60620cf MS |
163 | batadv_netlink_get_ifindex(const struct nlmsghdr *nlh, int attrtype) |
164 | { | |
165 | struct nlattr *attr = nlmsg_find_attr(nlh, GENL_HDRLEN, attrtype); | |
166 | ||
3ee1bb7a | 167 | return (attr && nla_len(attr) == sizeof(u32)) ? nla_get_u32(attr) : 0; |
b60620cf MS |
168 | } |
169 | ||
e43d16b8 SE |
170 | /** |
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 | |
174 | * | |
175 | * Return: 0 on success or negative error number in case of failure | |
176 | */ | |
177 | static int batadv_netlink_mesh_fill_ap_isolation(struct sk_buff *msg, | |
178 | struct batadv_priv *bat_priv) | |
179 | { | |
180 | struct batadv_softif_vlan *vlan; | |
181 | u8 ap_isolation; | |
182 | ||
183 | vlan = batadv_softif_vlan_get(bat_priv, BATADV_NO_FLAGS); | |
184 | if (!vlan) | |
185 | return 0; | |
186 | ||
187 | ap_isolation = atomic_read(&vlan->ap_isolation); | |
188 | batadv_softif_vlan_put(vlan); | |
189 | ||
190 | return nla_put_u8(msg, BATADV_ATTR_AP_ISOLATION_ENABLED, | |
191 | !!ap_isolation); | |
192 | } | |
193 | ||
194 | /** | |
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 | |
198 | * | |
199 | * Return: 0 on success or negative error number in case of failure | |
200 | */ | |
201 | static int batadv_netlink_set_mesh_ap_isolation(struct nlattr *attr, | |
202 | struct batadv_priv *bat_priv) | |
203 | { | |
204 | struct batadv_softif_vlan *vlan; | |
205 | ||
206 | vlan = batadv_softif_vlan_get(bat_priv, BATADV_NO_FLAGS); | |
207 | if (!vlan) | |
208 | return -ENOENT; | |
209 | ||
210 | atomic_set(&vlan->ap_isolation, !!nla_get_u8(attr)); | |
211 | batadv_softif_vlan_put(vlan); | |
212 | ||
213 | return 0; | |
214 | } | |
215 | ||
5da0aef5 | 216 | /** |
60040513 SE |
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 | |
5da0aef5 | 224 | * |
60040513 | 225 | * Return: 0 on success or negative error number in case of failure |
5da0aef5 | 226 | */ |
60040513 SE |
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) | |
5da0aef5 | 231 | { |
60040513 | 232 | struct net_device *soft_iface = bat_priv->soft_iface; |
5da0aef5 MS |
233 | struct batadv_hard_iface *primary_if = NULL; |
234 | struct net_device *hard_iface; | |
60040513 SE |
235 | void *hdr; |
236 | ||
237 | hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, flags, cmd); | |
238 | if (!hdr) | |
239 | return -ENOBUFS; | |
5da0aef5 MS |
240 | |
241 | if (nla_put_string(msg, BATADV_ATTR_VERSION, BATADV_SOURCE_VERSION) || | |
242 | nla_put_string(msg, BATADV_ATTR_ALGO_NAME, | |
29824a55 | 243 | bat_priv->algo_ops->name) || |
5da0aef5 MS |
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, | |
f32ed4b5 SE |
247 | soft_iface->dev_addr) || |
248 | nla_put_u8(msg, BATADV_ATTR_TT_TTVN, | |
249 | (u8)atomic_read(&bat_priv->tt.vn))) | |
60040513 | 250 | goto nla_put_failure; |
5da0aef5 | 251 | |
8dad6f0d SE |
252 | #ifdef CONFIG_BATMAN_ADV_BLA |
253 | if (nla_put_u16(msg, BATADV_ATTR_BLA_CRC, | |
254 | ntohs(bat_priv->bla.claim_dest.group))) | |
60040513 | 255 | goto nla_put_failure; |
8dad6f0d SE |
256 | #endif |
257 | ||
53dd9a68 | 258 | if (batadv_mcast_mesh_info_put(msg, bat_priv)) |
60040513 | 259 | goto nla_put_failure; |
53dd9a68 | 260 | |
5da0aef5 MS |
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; | |
264 | ||
265 | if (nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX, | |
266 | hard_iface->ifindex) || | |
267 | nla_put_string(msg, BATADV_ATTR_HARD_IFNAME, | |
268 | hard_iface->name) || | |
269 | nla_put(msg, BATADV_ATTR_HARD_ADDRESS, ETH_ALEN, | |
270 | hard_iface->dev_addr)) | |
60040513 | 271 | goto nla_put_failure; |
5da0aef5 MS |
272 | } |
273 | ||
9ab4cee5 SE |
274 | if (nla_put_u8(msg, BATADV_ATTR_AGGREGATED_OGMS_ENABLED, |
275 | !!atomic_read(&bat_priv->aggregated_ogms))) | |
276 | goto nla_put_failure; | |
277 | ||
e43d16b8 SE |
278 | if (batadv_netlink_mesh_fill_ap_isolation(msg, bat_priv)) |
279 | goto nla_put_failure; | |
280 | ||
281 | if (nla_put_u32(msg, BATADV_ATTR_ISOLATION_MARK, | |
282 | bat_priv->isolation_mark)) | |
283 | goto nla_put_failure; | |
284 | ||
285 | if (nla_put_u32(msg, BATADV_ATTR_ISOLATION_MASK, | |
286 | bat_priv->isolation_mark_mask)) | |
287 | goto nla_put_failure; | |
288 | ||
d7e52506 SE |
289 | if (nla_put_u8(msg, BATADV_ATTR_BONDING_ENABLED, |
290 | !!atomic_read(&bat_priv->bonding))) | |
291 | goto nla_put_failure; | |
292 | ||
43ff6105 SE |
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 */ | |
298 | ||
a1c8de80 SE |
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 */ | |
304 | ||
3e15b06e SE |
305 | if (nla_put_u8(msg, BATADV_ATTR_FRAGMENTATION_ENABLED, |
306 | !!atomic_read(&bat_priv->fragmentation))) | |
307 | goto nla_put_failure; | |
308 | ||
e2d0d35b SE |
309 | if (nla_put_u32(msg, BATADV_ATTR_GW_BANDWIDTH_DOWN, |
310 | atomic_read(&bat_priv->gw.bandwidth_down))) | |
311 | goto nla_put_failure; | |
312 | ||
313 | if (nla_put_u32(msg, BATADV_ATTR_GW_BANDWIDTH_UP, | |
314 | atomic_read(&bat_priv->gw.bandwidth_up))) | |
315 | goto nla_put_failure; | |
316 | ||
317 | if (nla_put_u8(msg, BATADV_ATTR_GW_MODE, | |
318 | atomic_read(&bat_priv->gw.mode))) | |
319 | goto nla_put_failure; | |
320 | ||
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 | |
325 | */ | |
326 | if (nla_put_u32(msg, BATADV_ATTR_GW_SEL_CLASS, | |
327 | atomic_read(&bat_priv->gw.sel_class))) | |
328 | goto nla_put_failure; | |
329 | } | |
330 | ||
bfc7f1be SE |
331 | if (nla_put_u8(msg, BATADV_ATTR_HOP_PENALTY, |
332 | atomic_read(&bat_priv->hop_penalty))) | |
333 | goto nla_put_failure; | |
334 | ||
b85bd091 SE |
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 */ | |
340 | ||
f75b56bc SE |
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; | |
32e72744 LL |
345 | |
346 | if (nla_put_u32(msg, BATADV_ATTR_MULTICAST_FANOUT, | |
347 | atomic_read(&bat_priv->multicast_fanout))) | |
348 | goto nla_put_failure; | |
f75b56bc SE |
349 | #endif /* CONFIG_BATMAN_ADV_MCAST */ |
350 | ||
6c57cde6 SE |
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 */ | |
356 | ||
7b751b39 SE |
357 | if (nla_put_u32(msg, BATADV_ATTR_ORIG_INTERVAL, |
358 | atomic_read(&bat_priv->orig_interval))) | |
359 | goto nla_put_failure; | |
360 | ||
60040513 SE |
361 | if (primary_if) |
362 | batadv_hardif_put(primary_if); | |
5da0aef5 | 363 | |
60040513 SE |
364 | genlmsg_end(msg, hdr); |
365 | return 0; | |
366 | ||
367 | nla_put_failure: | |
5da0aef5 MS |
368 | if (primary_if) |
369 | batadv_hardif_put(primary_if); | |
370 | ||
60040513 SE |
371 | genlmsg_cancel(msg, hdr); |
372 | return -EMSGSIZE; | |
5da0aef5 MS |
373 | } |
374 | ||
375 | /** | |
60040513 SE |
376 | * batadv_netlink_notify_mesh() - send softif attributes to listener |
377 | * @bat_priv: the bat priv with all the soft interface information | |
5da0aef5 MS |
378 | * |
379 | * Return: 0 on success, < 0 on error | |
380 | */ | |
7e6f461e | 381 | int batadv_netlink_notify_mesh(struct batadv_priv *bat_priv) |
5da0aef5 | 382 | { |
60040513 | 383 | struct sk_buff *msg; |
5da0aef5 MS |
384 | int ret; |
385 | ||
60040513 SE |
386 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
387 | if (!msg) | |
388 | return -ENOMEM; | |
5da0aef5 | 389 | |
60040513 SE |
390 | ret = batadv_netlink_mesh_fill(msg, bat_priv, BATADV_CMD_SET_MESH, |
391 | 0, 0, 0); | |
392 | if (ret < 0) { | |
393 | nlmsg_free(msg); | |
394 | return ret; | |
5da0aef5 MS |
395 | } |
396 | ||
60040513 SE |
397 | genlmsg_multicast_netns(&batadv_netlink_family, |
398 | dev_net(bat_priv->soft_iface), msg, 0, | |
399 | BATADV_NL_MCGRP_CONFIG, GFP_KERNEL); | |
5da0aef5 | 400 | |
60040513 SE |
401 | return 0; |
402 | } | |
5da0aef5 | 403 | |
60040513 SE |
404 | /** |
405 | * batadv_netlink_get_mesh() - Get softif attributes | |
406 | * @skb: Netlink message with request data | |
407 | * @info: receiver information | |
408 | * | |
409 | * Return: 0 on success or negative error number in case of failure | |
410 | */ | |
411 | static int batadv_netlink_get_mesh(struct sk_buff *skb, struct genl_info *info) | |
412 | { | |
413 | struct batadv_priv *bat_priv = info->user_ptr[0]; | |
414 | struct sk_buff *msg; | |
415 | int ret; | |
5da0aef5 | 416 | |
60040513 SE |
417 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
418 | if (!msg) | |
419 | return -ENOMEM; | |
5da0aef5 | 420 | |
60040513 SE |
421 | ret = batadv_netlink_mesh_fill(msg, bat_priv, BATADV_CMD_GET_MESH, |
422 | info->snd_portid, info->snd_seq, 0); | |
423 | if (ret < 0) { | |
424 | nlmsg_free(msg); | |
5da0aef5 MS |
425 | return ret; |
426 | } | |
427 | ||
60040513 SE |
428 | ret = genlmsg_reply(msg, info); |
429 | ||
430 | return ret; | |
431 | } | |
432 | ||
433 | /** | |
434 | * batadv_netlink_set_mesh() - Set softif attributes | |
435 | * @skb: Netlink message with request data | |
436 | * @info: receiver information | |
437 | * | |
438 | * Return: 0 on success or negative error number in case of failure | |
439 | */ | |
440 | static int batadv_netlink_set_mesh(struct sk_buff *skb, struct genl_info *info) | |
441 | { | |
442 | struct batadv_priv *bat_priv = info->user_ptr[0]; | |
9ab4cee5 SE |
443 | struct nlattr *attr; |
444 | ||
445 | if (info->attrs[BATADV_ATTR_AGGREGATED_OGMS_ENABLED]) { | |
446 | attr = info->attrs[BATADV_ATTR_AGGREGATED_OGMS_ENABLED]; | |
447 | ||
448 | atomic_set(&bat_priv->aggregated_ogms, !!nla_get_u8(attr)); | |
449 | } | |
60040513 | 450 | |
e43d16b8 SE |
451 | if (info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED]) { |
452 | attr = info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED]; | |
453 | ||
454 | batadv_netlink_set_mesh_ap_isolation(attr, bat_priv); | |
455 | } | |
456 | ||
457 | if (info->attrs[BATADV_ATTR_ISOLATION_MARK]) { | |
458 | attr = info->attrs[BATADV_ATTR_ISOLATION_MARK]; | |
459 | ||
460 | bat_priv->isolation_mark = nla_get_u32(attr); | |
461 | } | |
462 | ||
463 | if (info->attrs[BATADV_ATTR_ISOLATION_MASK]) { | |
464 | attr = info->attrs[BATADV_ATTR_ISOLATION_MASK]; | |
465 | ||
466 | bat_priv->isolation_mark_mask = nla_get_u32(attr); | |
467 | } | |
468 | ||
d7e52506 SE |
469 | if (info->attrs[BATADV_ATTR_BONDING_ENABLED]) { |
470 | attr = info->attrs[BATADV_ATTR_BONDING_ENABLED]; | |
471 | ||
472 | atomic_set(&bat_priv->bonding, !!nla_get_u8(attr)); | |
473 | } | |
474 | ||
43ff6105 SE |
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]; | |
478 | ||
479 | atomic_set(&bat_priv->bridge_loop_avoidance, | |
480 | !!nla_get_u8(attr)); | |
481 | batadv_bla_status_update(bat_priv->soft_iface); | |
482 | } | |
483 | #endif /* CONFIG_BATMAN_ADV_BLA */ | |
484 | ||
a1c8de80 SE |
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]; | |
488 | ||
489 | atomic_set(&bat_priv->distributed_arp_table, | |
490 | !!nla_get_u8(attr)); | |
491 | batadv_dat_status_update(bat_priv->soft_iface); | |
492 | } | |
493 | #endif /* CONFIG_BATMAN_ADV_DAT */ | |
494 | ||
3e15b06e SE |
495 | if (info->attrs[BATADV_ATTR_FRAGMENTATION_ENABLED]) { |
496 | attr = info->attrs[BATADV_ATTR_FRAGMENTATION_ENABLED]; | |
497 | ||
498 | atomic_set(&bat_priv->fragmentation, !!nla_get_u8(attr)); | |
499 | batadv_update_min_mtu(bat_priv->soft_iface); | |
500 | } | |
501 | ||
e2d0d35b SE |
502 | if (info->attrs[BATADV_ATTR_GW_BANDWIDTH_DOWN]) { |
503 | attr = info->attrs[BATADV_ATTR_GW_BANDWIDTH_DOWN]; | |
504 | ||
505 | atomic_set(&bat_priv->gw.bandwidth_down, nla_get_u32(attr)); | |
506 | batadv_gw_tvlv_container_update(bat_priv); | |
507 | } | |
508 | ||
509 | if (info->attrs[BATADV_ATTR_GW_BANDWIDTH_UP]) { | |
510 | attr = info->attrs[BATADV_ATTR_GW_BANDWIDTH_UP]; | |
511 | ||
512 | atomic_set(&bat_priv->gw.bandwidth_up, nla_get_u32(attr)); | |
513 | batadv_gw_tvlv_container_update(bat_priv); | |
514 | } | |
515 | ||
516 | if (info->attrs[BATADV_ATTR_GW_MODE]) { | |
517 | u8 gw_mode; | |
518 | ||
519 | attr = info->attrs[BATADV_ATTR_GW_MODE]; | |
520 | gw_mode = nla_get_u8(attr); | |
521 | ||
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. | |
527 | * | |
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(). | |
533 | */ | |
534 | batadv_gw_reselect(bat_priv); | |
535 | ||
536 | /* always call batadv_gw_check_client_stop() before | |
537 | * changing the gateway state | |
538 | */ | |
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); | |
542 | } | |
543 | } | |
544 | ||
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 | |
550 | */ | |
551 | ||
552 | u32 sel_class_max = 0xffffffffu; | |
553 | u32 sel_class; | |
554 | ||
555 | attr = info->attrs[BATADV_ATTR_GW_SEL_CLASS]; | |
556 | sel_class = nla_get_u32(attr); | |
557 | ||
558 | if (!bat_priv->algo_ops->gw.store_sel_class) | |
559 | sel_class_max = BATADV_TQ_MAX_VALUE; | |
560 | ||
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); | |
564 | } | |
565 | } | |
566 | ||
bfc7f1be SE |
567 | if (info->attrs[BATADV_ATTR_HOP_PENALTY]) { |
568 | attr = info->attrs[BATADV_ATTR_HOP_PENALTY]; | |
569 | ||
570 | atomic_set(&bat_priv->hop_penalty, nla_get_u8(attr)); | |
571 | } | |
572 | ||
b85bd091 SE |
573 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
574 | if (info->attrs[BATADV_ATTR_LOG_LEVEL]) { | |
575 | attr = info->attrs[BATADV_ATTR_LOG_LEVEL]; | |
576 | ||
577 | atomic_set(&bat_priv->log_level, | |
578 | nla_get_u32(attr) & BATADV_DBG_ALL); | |
579 | } | |
580 | #endif /* CONFIG_BATMAN_ADV_DEBUG */ | |
581 | ||
f75b56bc SE |
582 | #ifdef CONFIG_BATMAN_ADV_MCAST |
583 | if (info->attrs[BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED]) { | |
584 | attr = info->attrs[BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED]; | |
585 | ||
586 | atomic_set(&bat_priv->multicast_mode, !nla_get_u8(attr)); | |
587 | } | |
32e72744 LL |
588 | |
589 | if (info->attrs[BATADV_ATTR_MULTICAST_FANOUT]) { | |
590 | attr = info->attrs[BATADV_ATTR_MULTICAST_FANOUT]; | |
591 | ||
592 | atomic_set(&bat_priv->multicast_fanout, nla_get_u32(attr)); | |
593 | } | |
f75b56bc SE |
594 | #endif /* CONFIG_BATMAN_ADV_MCAST */ |
595 | ||
6c57cde6 SE |
596 | #ifdef CONFIG_BATMAN_ADV_NC |
597 | if (info->attrs[BATADV_ATTR_NETWORK_CODING_ENABLED]) { | |
598 | attr = info->attrs[BATADV_ATTR_NETWORK_CODING_ENABLED]; | |
599 | ||
600 | atomic_set(&bat_priv->network_coding, !!nla_get_u8(attr)); | |
601 | batadv_nc_status_update(bat_priv->soft_iface); | |
602 | } | |
603 | #endif /* CONFIG_BATMAN_ADV_NC */ | |
604 | ||
7b751b39 SE |
605 | if (info->attrs[BATADV_ATTR_ORIG_INTERVAL]) { |
606 | u32 orig_interval; | |
607 | ||
608 | attr = info->attrs[BATADV_ATTR_ORIG_INTERVAL]; | |
609 | orig_interval = nla_get_u32(attr); | |
610 | ||
611 | orig_interval = min_t(u32, orig_interval, INT_MAX); | |
612 | orig_interval = max_t(u32, orig_interval, 2 * BATADV_JITTER); | |
613 | ||
614 | atomic_set(&bat_priv->orig_interval, orig_interval); | |
615 | } | |
616 | ||
60040513 SE |
617 | batadv_netlink_notify_mesh(bat_priv); |
618 | ||
619 | return 0; | |
5da0aef5 MS |
620 | } |
621 | ||
33a3bb4a | 622 | /** |
7e9a8c2c | 623 | * batadv_netlink_tp_meter_put() - Fill information of started tp_meter session |
33a3bb4a AQ |
624 | * @msg: netlink message to be sent back |
625 | * @cookie: tp meter session cookie | |
626 | * | |
627 | * Return: 0 on success, < 0 on error | |
628 | */ | |
629 | static int | |
630 | batadv_netlink_tp_meter_put(struct sk_buff *msg, u32 cookie) | |
631 | { | |
632 | if (nla_put_u32(msg, BATADV_ATTR_TPMETER_COOKIE, cookie)) | |
633 | return -ENOBUFS; | |
634 | ||
635 | return 0; | |
636 | } | |
637 | ||
638 | /** | |
7e9a8c2c | 639 | * batadv_netlink_tpmeter_notify() - send tp_meter result via netlink to client |
33a3bb4a AQ |
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 ot the tp_meter session | |
644 | * @total_bytes: bytes acked to the receiver | |
645 | * @cookie: cookie of tp_meter session | |
646 | * | |
647 | * Return: 0 on success, < 0 on error | |
648 | */ | |
649 | int batadv_netlink_tpmeter_notify(struct batadv_priv *bat_priv, const u8 *dst, | |
650 | u8 result, u32 test_time, u64 total_bytes, | |
651 | u32 cookie) | |
652 | { | |
653 | struct sk_buff *msg; | |
654 | void *hdr; | |
655 | int ret; | |
656 | ||
657 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
658 | if (!msg) | |
659 | return -ENOMEM; | |
660 | ||
661 | hdr = genlmsg_put(msg, 0, 0, &batadv_netlink_family, 0, | |
662 | BATADV_CMD_TP_METER); | |
663 | if (!hdr) { | |
664 | ret = -ENOBUFS; | |
665 | goto err_genlmsg; | |
666 | } | |
667 | ||
668 | if (nla_put_u32(msg, BATADV_ATTR_TPMETER_COOKIE, cookie)) | |
669 | goto nla_put_failure; | |
670 | ||
671 | if (nla_put_u32(msg, BATADV_ATTR_TPMETER_TEST_TIME, test_time)) | |
672 | goto nla_put_failure; | |
673 | ||
674 | if (nla_put_u64_64bit(msg, BATADV_ATTR_TPMETER_BYTES, total_bytes, | |
675 | BATADV_ATTR_PAD)) | |
676 | goto nla_put_failure; | |
677 | ||
678 | if (nla_put_u8(msg, BATADV_ATTR_TPMETER_RESULT, result)) | |
679 | goto nla_put_failure; | |
680 | ||
681 | if (nla_put(msg, BATADV_ATTR_ORIG_ADDRESS, ETH_ALEN, dst)) | |
682 | goto nla_put_failure; | |
683 | ||
684 | genlmsg_end(msg, hdr); | |
685 | ||
686 | genlmsg_multicast_netns(&batadv_netlink_family, | |
687 | dev_net(bat_priv->soft_iface), msg, 0, | |
688 | BATADV_NL_MCGRP_TPMETER, GFP_KERNEL); | |
689 | ||
690 | return 0; | |
691 | ||
692 | nla_put_failure: | |
693 | genlmsg_cancel(msg, hdr); | |
694 | ret = -EMSGSIZE; | |
695 | ||
696 | err_genlmsg: | |
697 | nlmsg_free(msg); | |
698 | return ret; | |
699 | } | |
700 | ||
701 | /** | |
7e9a8c2c | 702 | * batadv_netlink_tp_meter_start() - Start a new tp_meter session |
33a3bb4a AQ |
703 | * @skb: received netlink message |
704 | * @info: receiver information | |
705 | * | |
706 | * Return: 0 on success, < 0 on error | |
707 | */ | |
708 | static int | |
709 | batadv_netlink_tp_meter_start(struct sk_buff *skb, struct genl_info *info) | |
710 | { | |
c4a7a8d9 | 711 | struct batadv_priv *bat_priv = info->user_ptr[0]; |
33a3bb4a AQ |
712 | struct sk_buff *msg = NULL; |
713 | u32 test_length; | |
714 | void *msg_head; | |
33a3bb4a AQ |
715 | u32 cookie; |
716 | u8 *dst; | |
717 | int ret; | |
718 | ||
33a3bb4a AQ |
719 | if (!info->attrs[BATADV_ATTR_ORIG_ADDRESS]) |
720 | return -EINVAL; | |
721 | ||
722 | if (!info->attrs[BATADV_ATTR_TPMETER_TEST_TIME]) | |
723 | return -EINVAL; | |
724 | ||
33a3bb4a AQ |
725 | dst = nla_data(info->attrs[BATADV_ATTR_ORIG_ADDRESS]); |
726 | ||
727 | test_length = nla_get_u32(info->attrs[BATADV_ATTR_TPMETER_TEST_TIME]); | |
728 | ||
33a3bb4a AQ |
729 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
730 | if (!msg) { | |
731 | ret = -ENOMEM; | |
732 | goto out; | |
733 | } | |
734 | ||
735 | msg_head = genlmsg_put(msg, info->snd_portid, info->snd_seq, | |
736 | &batadv_netlink_family, 0, | |
737 | BATADV_CMD_TP_METER); | |
738 | if (!msg_head) { | |
739 | ret = -ENOBUFS; | |
740 | goto out; | |
741 | } | |
742 | ||
33a3bb4a AQ |
743 | batadv_tp_start(bat_priv, dst, test_length, &cookie); |
744 | ||
745 | ret = batadv_netlink_tp_meter_put(msg, cookie); | |
746 | ||
747 | out: | |
33a3bb4a AQ |
748 | if (ret) { |
749 | if (msg) | |
750 | nlmsg_free(msg); | |
751 | return ret; | |
752 | } | |
753 | ||
754 | genlmsg_end(msg, msg_head); | |
755 | return genlmsg_reply(msg, info); | |
756 | } | |
757 | ||
758 | /** | |
7e9a8c2c | 759 | * batadv_netlink_tp_meter_start() - Cancel a running tp_meter session |
33a3bb4a AQ |
760 | * @skb: received netlink message |
761 | * @info: receiver information | |
762 | * | |
763 | * Return: 0 on success, < 0 on error | |
764 | */ | |
765 | static int | |
766 | batadv_netlink_tp_meter_cancel(struct sk_buff *skb, struct genl_info *info) | |
767 | { | |
c4a7a8d9 | 768 | struct batadv_priv *bat_priv = info->user_ptr[0]; |
33a3bb4a AQ |
769 | u8 *dst; |
770 | int ret = 0; | |
771 | ||
33a3bb4a AQ |
772 | if (!info->attrs[BATADV_ATTR_ORIG_ADDRESS]) |
773 | return -EINVAL; | |
774 | ||
33a3bb4a AQ |
775 | dst = nla_data(info->attrs[BATADV_ATTR_ORIG_ADDRESS]); |
776 | ||
33a3bb4a AQ |
777 | batadv_tp_stop(bat_priv, dst, BATADV_TP_REASON_CANCEL); |
778 | ||
33a3bb4a AQ |
779 | return ret; |
780 | } | |
781 | ||
b60620cf | 782 | /** |
5c55a40f | 783 | * batadv_netlink_hardif_fill() - Fill message with hardif attributes |
b60620cf | 784 | * @msg: Netlink message to dump into |
5c55a40f SE |
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 | |
b60620cf | 788 | * @portid: Port making netlink request |
5c55a40f SE |
789 | * @seq: sequence number for message |
790 | * @flags: Additional flags for message | |
fb69be69 | 791 | * @cb: Control block containing additional options |
b60620cf | 792 | * |
5c55a40f | 793 | * Return: 0 on success or negative error number in case of failure |
b60620cf | 794 | */ |
5c55a40f SE |
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) | |
b60620cf MS |
801 | { |
802 | struct net_device *net_dev = hard_iface->net_dev; | |
803 | void *hdr; | |
804 | ||
5c55a40f | 805 | hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, flags, cmd); |
b60620cf | 806 | if (!hdr) |
5c55a40f SE |
807 | return -ENOBUFS; |
808 | ||
809 | if (cb) | |
810 | genl_dump_check_consistent(cb, hdr); | |
b60620cf | 811 | |
5c55a40f SE |
812 | if (nla_put_u32(msg, BATADV_ATTR_MESH_IFINDEX, |
813 | bat_priv->soft_iface->ifindex)) | |
814 | goto nla_put_failure; | |
fb69be69 | 815 | |
b60620cf MS |
816 | if (nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX, |
817 | net_dev->ifindex) || | |
818 | nla_put_string(msg, BATADV_ATTR_HARD_IFNAME, | |
819 | net_dev->name) || | |
820 | nla_put(msg, BATADV_ATTR_HARD_ADDRESS, ETH_ALEN, | |
821 | net_dev->dev_addr)) | |
822 | goto nla_put_failure; | |
823 | ||
824 | if (hard_iface->if_status == BATADV_IF_ACTIVE) { | |
825 | if (nla_put_flag(msg, BATADV_ATTR_ACTIVE)) | |
826 | goto nla_put_failure; | |
827 | } | |
828 | ||
a1080082 SE |
829 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
830 | if (nla_put_u32(msg, BATADV_ATTR_ELP_INTERVAL, | |
831 | atomic_read(&hard_iface->bat_v.elp_interval))) | |
832 | goto nla_put_failure; | |
9a182242 SE |
833 | |
834 | if (nla_put_u32(msg, BATADV_ATTR_THROUGHPUT_OVERRIDE, | |
835 | atomic_read(&hard_iface->bat_v.throughput_override))) | |
836 | goto nla_put_failure; | |
a1080082 SE |
837 | #endif /* CONFIG_BATMAN_ADV_BATMAN_V */ |
838 | ||
b60620cf MS |
839 | genlmsg_end(msg, hdr); |
840 | return 0; | |
841 | ||
5c55a40f | 842 | nla_put_failure: |
b60620cf MS |
843 | genlmsg_cancel(msg, hdr); |
844 | return -EMSGSIZE; | |
845 | } | |
846 | ||
847 | /** | |
5c55a40f SE |
848 | * batadv_netlink_notify_hardif() - send hardif attributes to listener |
849 | * @bat_priv: the bat priv with all the soft interface information | |
850 | * @hard_iface: hard interface which was modified | |
851 | * | |
852 | * Return: 0 on success, < 0 on error | |
853 | */ | |
7e6f461e SE |
854 | int batadv_netlink_notify_hardif(struct batadv_priv *bat_priv, |
855 | struct batadv_hard_iface *hard_iface) | |
5c55a40f SE |
856 | { |
857 | struct sk_buff *msg; | |
858 | int ret; | |
859 | ||
860 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
861 | if (!msg) | |
862 | return -ENOMEM; | |
863 | ||
864 | ret = batadv_netlink_hardif_fill(msg, bat_priv, hard_iface, | |
865 | BATADV_CMD_SET_HARDIF, 0, 0, 0, NULL); | |
866 | if (ret < 0) { | |
867 | nlmsg_free(msg); | |
868 | return ret; | |
869 | } | |
870 | ||
871 | genlmsg_multicast_netns(&batadv_netlink_family, | |
872 | dev_net(bat_priv->soft_iface), msg, 0, | |
873 | BATADV_NL_MCGRP_CONFIG, GFP_KERNEL); | |
874 | ||
875 | return 0; | |
876 | } | |
877 | ||
878 | /** | |
879 | * batadv_netlink_get_hardif() - Get hardif attributes | |
880 | * @skb: Netlink message with request data | |
881 | * @info: receiver information | |
882 | * | |
883 | * Return: 0 on success or negative error number in case of failure | |
884 | */ | |
885 | static int batadv_netlink_get_hardif(struct sk_buff *skb, | |
886 | struct genl_info *info) | |
887 | { | |
888 | struct batadv_hard_iface *hard_iface = info->user_ptr[1]; | |
889 | struct batadv_priv *bat_priv = info->user_ptr[0]; | |
890 | struct sk_buff *msg; | |
891 | int ret; | |
892 | ||
893 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
894 | if (!msg) | |
895 | return -ENOMEM; | |
896 | ||
897 | ret = batadv_netlink_hardif_fill(msg, bat_priv, hard_iface, | |
898 | BATADV_CMD_GET_HARDIF, | |
899 | info->snd_portid, info->snd_seq, 0, | |
900 | NULL); | |
901 | if (ret < 0) { | |
902 | nlmsg_free(msg); | |
903 | return ret; | |
904 | } | |
905 | ||
906 | ret = genlmsg_reply(msg, info); | |
907 | ||
908 | return ret; | |
909 | } | |
910 | ||
911 | /** | |
912 | * batadv_netlink_set_hardif() - Set hardif attributes | |
913 | * @skb: Netlink message with request data | |
914 | * @info: receiver information | |
915 | * | |
916 | * Return: 0 on success or negative error number in case of failure | |
917 | */ | |
918 | static int batadv_netlink_set_hardif(struct sk_buff *skb, | |
919 | struct genl_info *info) | |
920 | { | |
921 | struct batadv_hard_iface *hard_iface = info->user_ptr[1]; | |
922 | struct batadv_priv *bat_priv = info->user_ptr[0]; | |
923 | ||
a1080082 SE |
924 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
925 | struct nlattr *attr; | |
926 | ||
927 | if (info->attrs[BATADV_ATTR_ELP_INTERVAL]) { | |
928 | attr = info->attrs[BATADV_ATTR_ELP_INTERVAL]; | |
929 | ||
930 | atomic_set(&hard_iface->bat_v.elp_interval, nla_get_u32(attr)); | |
931 | } | |
9a182242 SE |
932 | |
933 | if (info->attrs[BATADV_ATTR_THROUGHPUT_OVERRIDE]) { | |
934 | attr = info->attrs[BATADV_ATTR_THROUGHPUT_OVERRIDE]; | |
935 | ||
936 | atomic_set(&hard_iface->bat_v.throughput_override, | |
937 | nla_get_u32(attr)); | |
938 | } | |
a1080082 SE |
939 | #endif /* CONFIG_BATMAN_ADV_BATMAN_V */ |
940 | ||
5c55a40f SE |
941 | batadv_netlink_notify_hardif(bat_priv, hard_iface); |
942 | ||
943 | return 0; | |
944 | } | |
945 | ||
946 | /** | |
947 | * batadv_netlink_dump_hardif() - Dump all hard interface into a messages | |
b60620cf MS |
948 | * @msg: Netlink message to dump into |
949 | * @cb: Parameters from query | |
950 | * | |
951 | * Return: error code, or length of reply message on success | |
952 | */ | |
953 | static int | |
5c55a40f | 954 | batadv_netlink_dump_hardif(struct sk_buff *msg, struct netlink_callback *cb) |
b60620cf MS |
955 | { |
956 | struct net *net = sock_net(cb->skb->sk); | |
957 | struct net_device *soft_iface; | |
958 | struct batadv_hard_iface *hard_iface; | |
5c55a40f | 959 | struct batadv_priv *bat_priv; |
b60620cf MS |
960 | int ifindex; |
961 | int portid = NETLINK_CB(cb->skb).portid; | |
b60620cf MS |
962 | int skip = cb->args[0]; |
963 | int i = 0; | |
964 | ||
965 | ifindex = batadv_netlink_get_ifindex(cb->nlh, | |
966 | BATADV_ATTR_MESH_IFINDEX); | |
967 | if (!ifindex) | |
968 | return -EINVAL; | |
969 | ||
970 | soft_iface = dev_get_by_index(net, ifindex); | |
971 | if (!soft_iface) | |
972 | return -ENODEV; | |
973 | ||
974 | if (!batadv_softif_is_valid(soft_iface)) { | |
975 | dev_put(soft_iface); | |
976 | return -ENODEV; | |
977 | } | |
978 | ||
5c55a40f SE |
979 | bat_priv = netdev_priv(soft_iface); |
980 | ||
fb69be69 SE |
981 | rtnl_lock(); |
982 | cb->seq = batadv_hardif_generation << 1 | 1; | |
b60620cf | 983 | |
fb69be69 | 984 | list_for_each_entry(hard_iface, &batadv_hardif_list, list) { |
b60620cf MS |
985 | if (hard_iface->soft_iface != soft_iface) |
986 | continue; | |
987 | ||
988 | if (i++ < skip) | |
989 | continue; | |
990 | ||
5c55a40f SE |
991 | if (batadv_netlink_hardif_fill(msg, bat_priv, hard_iface, |
992 | BATADV_CMD_GET_HARDIF, | |
993 | portid, cb->nlh->nlmsg_seq, | |
994 | NLM_F_MULTI, cb)) { | |
b60620cf MS |
995 | i--; |
996 | break; | |
997 | } | |
998 | } | |
999 | ||
fb69be69 | 1000 | rtnl_unlock(); |
b60620cf MS |
1001 | |
1002 | dev_put(soft_iface); | |
1003 | ||
1004 | cb->args[0] = i; | |
1005 | ||
1006 | return msg->len; | |
1007 | } | |
1008 | ||
49e7e37c SE |
1009 | /** |
1010 | * batadv_netlink_vlan_fill() - Fill message with vlan attributes | |
1011 | * @msg: Netlink message to dump into | |
1012 | * @bat_priv: the bat priv with all the soft interface information | |
1013 | * @vlan: vlan which was modified | |
1014 | * @cmd: type of message to generate | |
1015 | * @portid: Port making netlink request | |
1016 | * @seq: sequence number for message | |
1017 | * @flags: Additional flags for message | |
1018 | * | |
1019 | * Return: 0 on success or negative error number in case of failure | |
1020 | */ | |
1021 | static int batadv_netlink_vlan_fill(struct sk_buff *msg, | |
1022 | struct batadv_priv *bat_priv, | |
1023 | struct batadv_softif_vlan *vlan, | |
1024 | enum batadv_nl_commands cmd, | |
1025 | u32 portid, u32 seq, int flags) | |
1026 | { | |
1027 | void *hdr; | |
1028 | ||
1029 | hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family, flags, cmd); | |
1030 | if (!hdr) | |
1031 | return -ENOBUFS; | |
1032 | ||
1033 | if (nla_put_u32(msg, BATADV_ATTR_MESH_IFINDEX, | |
1034 | bat_priv->soft_iface->ifindex)) | |
1035 | goto nla_put_failure; | |
1036 | ||
1037 | if (nla_put_u32(msg, BATADV_ATTR_VLANID, vlan->vid & VLAN_VID_MASK)) | |
1038 | goto nla_put_failure; | |
1039 | ||
e43d16b8 SE |
1040 | if (nla_put_u8(msg, BATADV_ATTR_AP_ISOLATION_ENABLED, |
1041 | !!atomic_read(&vlan->ap_isolation))) | |
1042 | goto nla_put_failure; | |
1043 | ||
49e7e37c SE |
1044 | genlmsg_end(msg, hdr); |
1045 | return 0; | |
1046 | ||
1047 | nla_put_failure: | |
1048 | genlmsg_cancel(msg, hdr); | |
1049 | return -EMSGSIZE; | |
1050 | } | |
1051 | ||
1052 | /** | |
1053 | * batadv_netlink_notify_vlan() - send vlan attributes to listener | |
1054 | * @bat_priv: the bat priv with all the soft interface information | |
1055 | * @vlan: vlan which was modified | |
1056 | * | |
1057 | * Return: 0 on success, < 0 on error | |
1058 | */ | |
7e6f461e SE |
1059 | int batadv_netlink_notify_vlan(struct batadv_priv *bat_priv, |
1060 | struct batadv_softif_vlan *vlan) | |
49e7e37c SE |
1061 | { |
1062 | struct sk_buff *msg; | |
1063 | int ret; | |
1064 | ||
1065 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
1066 | if (!msg) | |
1067 | return -ENOMEM; | |
1068 | ||
1069 | ret = batadv_netlink_vlan_fill(msg, bat_priv, vlan, | |
1070 | BATADV_CMD_SET_VLAN, 0, 0, 0); | |
1071 | if (ret < 0) { | |
1072 | nlmsg_free(msg); | |
1073 | return ret; | |
1074 | } | |
1075 | ||
1076 | genlmsg_multicast_netns(&batadv_netlink_family, | |
1077 | dev_net(bat_priv->soft_iface), msg, 0, | |
1078 | BATADV_NL_MCGRP_CONFIG, GFP_KERNEL); | |
1079 | ||
1080 | return 0; | |
1081 | } | |
1082 | ||
1083 | /** | |
1084 | * batadv_netlink_get_vlan() - Get vlan attributes | |
1085 | * @skb: Netlink message with request data | |
1086 | * @info: receiver information | |
1087 | * | |
1088 | * Return: 0 on success or negative error number in case of failure | |
1089 | */ | |
1090 | static int batadv_netlink_get_vlan(struct sk_buff *skb, struct genl_info *info) | |
1091 | { | |
1092 | struct batadv_softif_vlan *vlan = info->user_ptr[1]; | |
1093 | struct batadv_priv *bat_priv = info->user_ptr[0]; | |
1094 | struct sk_buff *msg; | |
1095 | int ret; | |
1096 | ||
1097 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
1098 | if (!msg) | |
1099 | return -ENOMEM; | |
1100 | ||
1101 | ret = batadv_netlink_vlan_fill(msg, bat_priv, vlan, BATADV_CMD_GET_VLAN, | |
1102 | info->snd_portid, info->snd_seq, 0); | |
1103 | if (ret < 0) { | |
1104 | nlmsg_free(msg); | |
1105 | return ret; | |
1106 | } | |
1107 | ||
1108 | ret = genlmsg_reply(msg, info); | |
1109 | ||
1110 | return ret; | |
1111 | } | |
1112 | ||
1113 | /** | |
1114 | * batadv_netlink_set_vlan() - Get vlan attributes | |
1115 | * @skb: Netlink message with request data | |
1116 | * @info: receiver information | |
1117 | * | |
1118 | * Return: 0 on success or negative error number in case of failure | |
1119 | */ | |
1120 | static int batadv_netlink_set_vlan(struct sk_buff *skb, struct genl_info *info) | |
1121 | { | |
1122 | struct batadv_softif_vlan *vlan = info->user_ptr[1]; | |
1123 | struct batadv_priv *bat_priv = info->user_ptr[0]; | |
e43d16b8 SE |
1124 | struct nlattr *attr; |
1125 | ||
1126 | if (info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED]) { | |
1127 | attr = info->attrs[BATADV_ATTR_AP_ISOLATION_ENABLED]; | |
1128 | ||
1129 | atomic_set(&vlan->ap_isolation, !!nla_get_u8(attr)); | |
1130 | } | |
49e7e37c SE |
1131 | |
1132 | batadv_netlink_notify_vlan(bat_priv, vlan); | |
1133 | ||
1134 | return 0; | |
1135 | } | |
1136 | ||
c4a7a8d9 SE |
1137 | /** |
1138 | * batadv_get_softif_from_info() - Retrieve soft interface from genl attributes | |
1139 | * @net: the applicable net namespace | |
1140 | * @info: receiver information | |
1141 | * | |
1142 | * Return: Pointer to soft interface (with increased refcnt) on success, error | |
1143 | * pointer on error | |
1144 | */ | |
1145 | static struct net_device * | |
1146 | batadv_get_softif_from_info(struct net *net, struct genl_info *info) | |
1147 | { | |
1148 | struct net_device *soft_iface; | |
1149 | int ifindex; | |
1150 | ||
1151 | if (!info->attrs[BATADV_ATTR_MESH_IFINDEX]) | |
1152 | return ERR_PTR(-EINVAL); | |
1153 | ||
1154 | ifindex = nla_get_u32(info->attrs[BATADV_ATTR_MESH_IFINDEX]); | |
1155 | ||
1156 | soft_iface = dev_get_by_index(net, ifindex); | |
1157 | if (!soft_iface) | |
1158 | return ERR_PTR(-ENODEV); | |
1159 | ||
1160 | if (!batadv_softif_is_valid(soft_iface)) | |
1161 | goto err_put_softif; | |
1162 | ||
1163 | return soft_iface; | |
1164 | ||
1165 | err_put_softif: | |
1166 | dev_put(soft_iface); | |
1167 | ||
1168 | return ERR_PTR(-EINVAL); | |
1169 | } | |
1170 | ||
5c55a40f SE |
1171 | /** |
1172 | * batadv_get_hardif_from_info() - Retrieve hardif from genl attributes | |
1173 | * @bat_priv: the bat priv with all the soft interface information | |
1174 | * @net: the applicable net namespace | |
1175 | * @info: receiver information | |
1176 | * | |
1177 | * Return: Pointer to hard interface (with increased refcnt) on success, error | |
1178 | * pointer on error | |
1179 | */ | |
1180 | static struct batadv_hard_iface * | |
1181 | batadv_get_hardif_from_info(struct batadv_priv *bat_priv, struct net *net, | |
1182 | struct genl_info *info) | |
1183 | { | |
1184 | struct batadv_hard_iface *hard_iface; | |
1185 | struct net_device *hard_dev; | |
1186 | unsigned int hardif_index; | |
1187 | ||
1188 | if (!info->attrs[BATADV_ATTR_HARD_IFINDEX]) | |
1189 | return ERR_PTR(-EINVAL); | |
1190 | ||
1191 | hardif_index = nla_get_u32(info->attrs[BATADV_ATTR_HARD_IFINDEX]); | |
1192 | ||
1193 | hard_dev = dev_get_by_index(net, hardif_index); | |
1194 | if (!hard_dev) | |
1195 | return ERR_PTR(-ENODEV); | |
1196 | ||
1197 | hard_iface = batadv_hardif_get_by_netdev(hard_dev); | |
1198 | if (!hard_iface) | |
1199 | goto err_put_harddev; | |
1200 | ||
1201 | if (hard_iface->soft_iface != bat_priv->soft_iface) | |
1202 | goto err_put_hardif; | |
1203 | ||
1204 | /* hard_dev is referenced by hard_iface and not needed here */ | |
1205 | dev_put(hard_dev); | |
1206 | ||
1207 | return hard_iface; | |
1208 | ||
1209 | err_put_hardif: | |
1210 | batadv_hardif_put(hard_iface); | |
1211 | err_put_harddev: | |
1212 | dev_put(hard_dev); | |
1213 | ||
1214 | return ERR_PTR(-EINVAL); | |
1215 | } | |
1216 | ||
49e7e37c SE |
1217 | /** |
1218 | * batadv_get_vlan_from_info() - Retrieve vlan from genl attributes | |
1219 | * @bat_priv: the bat priv with all the soft interface information | |
1220 | * @net: the applicable net namespace | |
1221 | * @info: receiver information | |
1222 | * | |
1223 | * Return: Pointer to vlan on success (with increased refcnt), error pointer | |
1224 | * on error | |
1225 | */ | |
1226 | static struct batadv_softif_vlan * | |
1227 | batadv_get_vlan_from_info(struct batadv_priv *bat_priv, struct net *net, | |
1228 | struct genl_info *info) | |
1229 | { | |
1230 | struct batadv_softif_vlan *vlan; | |
1231 | u16 vid; | |
1232 | ||
1233 | if (!info->attrs[BATADV_ATTR_VLANID]) | |
1234 | return ERR_PTR(-EINVAL); | |
1235 | ||
1236 | vid = nla_get_u16(info->attrs[BATADV_ATTR_VLANID]); | |
1237 | ||
1238 | vlan = batadv_softif_vlan_get(bat_priv, vid | BATADV_VLAN_HAS_TAG); | |
1239 | if (!vlan) | |
1240 | return ERR_PTR(-ENOENT); | |
1241 | ||
1242 | return vlan; | |
1243 | } | |
1244 | ||
c4a7a8d9 SE |
1245 | /** |
1246 | * batadv_pre_doit() - Prepare batman-adv genl doit request | |
1247 | * @ops: requested netlink operation | |
1248 | * @skb: Netlink message with request data | |
1249 | * @info: receiver information | |
1250 | * | |
1251 | * Return: 0 on success or negative error number in case of failure | |
1252 | */ | |
1253 | static int batadv_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, | |
1254 | struct genl_info *info) | |
1255 | { | |
1256 | struct net *net = genl_info_net(info); | |
5c55a40f SE |
1257 | struct batadv_hard_iface *hard_iface; |
1258 | struct batadv_priv *bat_priv = NULL; | |
49e7e37c | 1259 | struct batadv_softif_vlan *vlan; |
c4a7a8d9 | 1260 | struct net_device *soft_iface; |
5c55a40f SE |
1261 | u8 user_ptr1_flags; |
1262 | u8 mesh_dep_flags; | |
1263 | int ret; | |
1264 | ||
49e7e37c | 1265 | user_ptr1_flags = BATADV_FLAG_NEED_HARDIF | BATADV_FLAG_NEED_VLAN; |
5c55a40f SE |
1266 | if (WARN_ON(hweight8(ops->internal_flags & user_ptr1_flags) > 1)) |
1267 | return -EINVAL; | |
1268 | ||
49e7e37c | 1269 | mesh_dep_flags = BATADV_FLAG_NEED_HARDIF | BATADV_FLAG_NEED_VLAN; |
5c55a40f SE |
1270 | if (WARN_ON((ops->internal_flags & mesh_dep_flags) && |
1271 | (~ops->internal_flags & BATADV_FLAG_NEED_MESH))) | |
1272 | return -EINVAL; | |
c4a7a8d9 SE |
1273 | |
1274 | if (ops->internal_flags & BATADV_FLAG_NEED_MESH) { | |
1275 | soft_iface = batadv_get_softif_from_info(net, info); | |
1276 | if (IS_ERR(soft_iface)) | |
1277 | return PTR_ERR(soft_iface); | |
1278 | ||
1279 | bat_priv = netdev_priv(soft_iface); | |
1280 | info->user_ptr[0] = bat_priv; | |
1281 | } | |
1282 | ||
5c55a40f SE |
1283 | if (ops->internal_flags & BATADV_FLAG_NEED_HARDIF) { |
1284 | hard_iface = batadv_get_hardif_from_info(bat_priv, net, info); | |
1285 | if (IS_ERR(hard_iface)) { | |
1286 | ret = PTR_ERR(hard_iface); | |
1287 | goto err_put_softif; | |
1288 | } | |
1289 | ||
1290 | info->user_ptr[1] = hard_iface; | |
1291 | } | |
1292 | ||
49e7e37c SE |
1293 | if (ops->internal_flags & BATADV_FLAG_NEED_VLAN) { |
1294 | vlan = batadv_get_vlan_from_info(bat_priv, net, info); | |
1295 | if (IS_ERR(vlan)) { | |
1296 | ret = PTR_ERR(vlan); | |
1297 | goto err_put_softif; | |
1298 | } | |
1299 | ||
1300 | info->user_ptr[1] = vlan; | |
1301 | } | |
1302 | ||
c4a7a8d9 | 1303 | return 0; |
5c55a40f SE |
1304 | |
1305 | err_put_softif: | |
1306 | if (bat_priv) | |
1307 | dev_put(bat_priv->soft_iface); | |
1308 | ||
1309 | return ret; | |
c4a7a8d9 SE |
1310 | } |
1311 | ||
1312 | /** | |
1313 | * batadv_post_doit() - End batman-adv genl doit request | |
1314 | * @ops: requested netlink operation | |
1315 | * @skb: Netlink message with request data | |
1316 | * @info: receiver information | |
1317 | */ | |
1318 | static void batadv_post_doit(const struct genl_ops *ops, struct sk_buff *skb, | |
1319 | struct genl_info *info) | |
1320 | { | |
5c55a40f | 1321 | struct batadv_hard_iface *hard_iface; |
49e7e37c | 1322 | struct batadv_softif_vlan *vlan; |
c4a7a8d9 SE |
1323 | struct batadv_priv *bat_priv; |
1324 | ||
5c55a40f SE |
1325 | if (ops->internal_flags & BATADV_FLAG_NEED_HARDIF && |
1326 | info->user_ptr[1]) { | |
1327 | hard_iface = info->user_ptr[1]; | |
1328 | ||
1329 | batadv_hardif_put(hard_iface); | |
1330 | } | |
1331 | ||
49e7e37c SE |
1332 | if (ops->internal_flags & BATADV_FLAG_NEED_VLAN && info->user_ptr[1]) { |
1333 | vlan = info->user_ptr[1]; | |
1334 | batadv_softif_vlan_put(vlan); | |
1335 | } | |
1336 | ||
c4a7a8d9 SE |
1337 | if (ops->internal_flags & BATADV_FLAG_NEED_MESH && info->user_ptr[0]) { |
1338 | bat_priv = info->user_ptr[0]; | |
1339 | dev_put(bat_priv->soft_iface); | |
1340 | } | |
1341 | } | |
1342 | ||
ce1a21d1 | 1343 | static const struct genl_ops batadv_netlink_ops[] = { |
5da0aef5 | 1344 | { |
60040513 | 1345 | .cmd = BATADV_CMD_GET_MESH, |
ef6243ac | 1346 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
60040513 | 1347 | /* can be retrieved by unprivileged users */ |
60040513 SE |
1348 | .doit = batadv_netlink_get_mesh, |
1349 | .internal_flags = BATADV_FLAG_NEED_MESH, | |
5da0aef5 | 1350 | }, |
33a3bb4a AQ |
1351 | { |
1352 | .cmd = BATADV_CMD_TP_METER, | |
ef6243ac | 1353 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
33a3bb4a | 1354 | .flags = GENL_ADMIN_PERM, |
33a3bb4a | 1355 | .doit = batadv_netlink_tp_meter_start, |
c4a7a8d9 | 1356 | .internal_flags = BATADV_FLAG_NEED_MESH, |
33a3bb4a AQ |
1357 | }, |
1358 | { | |
1359 | .cmd = BATADV_CMD_TP_METER_CANCEL, | |
ef6243ac | 1360 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
33a3bb4a | 1361 | .flags = GENL_ADMIN_PERM, |
33a3bb4a | 1362 | .doit = batadv_netlink_tp_meter_cancel, |
c4a7a8d9 | 1363 | .internal_flags = BATADV_FLAG_NEED_MESH, |
33a3bb4a | 1364 | }, |
07a3061e MS |
1365 | { |
1366 | .cmd = BATADV_CMD_GET_ROUTING_ALGOS, | |
ef6243ac | 1367 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
07a3061e | 1368 | .flags = GENL_ADMIN_PERM, |
07a3061e MS |
1369 | .dumpit = batadv_algo_dump, |
1370 | }, | |
b60620cf | 1371 | { |
5c55a40f | 1372 | .cmd = BATADV_CMD_GET_HARDIF, |
ef6243ac | 1373 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5c55a40f | 1374 | /* can be retrieved by unprivileged users */ |
5c55a40f SE |
1375 | .dumpit = batadv_netlink_dump_hardif, |
1376 | .doit = batadv_netlink_get_hardif, | |
1377 | .internal_flags = BATADV_FLAG_NEED_MESH | | |
1378 | BATADV_FLAG_NEED_HARDIF, | |
b60620cf | 1379 | }, |
d34f0550 MS |
1380 | { |
1381 | .cmd = BATADV_CMD_GET_TRANSTABLE_LOCAL, | |
ef6243ac | 1382 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
d34f0550 | 1383 | .flags = GENL_ADMIN_PERM, |
d34f0550 MS |
1384 | .dumpit = batadv_tt_local_dump, |
1385 | }, | |
1386 | { | |
1387 | .cmd = BATADV_CMD_GET_TRANSTABLE_GLOBAL, | |
ef6243ac | 1388 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
d34f0550 | 1389 | .flags = GENL_ADMIN_PERM, |
d34f0550 MS |
1390 | .dumpit = batadv_tt_global_dump, |
1391 | }, | |
85cf8c85 MS |
1392 | { |
1393 | .cmd = BATADV_CMD_GET_ORIGINATORS, | |
ef6243ac | 1394 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
85cf8c85 | 1395 | .flags = GENL_ADMIN_PERM, |
85cf8c85 MS |
1396 | .dumpit = batadv_orig_dump, |
1397 | }, | |
1398 | { | |
1399 | .cmd = BATADV_CMD_GET_NEIGHBORS, | |
ef6243ac | 1400 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
85cf8c85 | 1401 | .flags = GENL_ADMIN_PERM, |
85cf8c85 MS |
1402 | .dumpit = batadv_hardif_neigh_dump, |
1403 | }, | |
d7129daf SE |
1404 | { |
1405 | .cmd = BATADV_CMD_GET_GATEWAYS, | |
ef6243ac | 1406 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
d7129daf | 1407 | .flags = GENL_ADMIN_PERM, |
d7129daf SE |
1408 | .dumpit = batadv_gw_dump, |
1409 | }, | |
04f3f5bf AL |
1410 | { |
1411 | .cmd = BATADV_CMD_GET_BLA_CLAIM, | |
ef6243ac | 1412 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
04f3f5bf | 1413 | .flags = GENL_ADMIN_PERM, |
04f3f5bf AL |
1414 | .dumpit = batadv_bla_claim_dump, |
1415 | }, | |
ea4152e1 SW |
1416 | { |
1417 | .cmd = BATADV_CMD_GET_BLA_BACKBONE, | |
ef6243ac | 1418 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
ea4152e1 | 1419 | .flags = GENL_ADMIN_PERM, |
ea4152e1 SW |
1420 | .dumpit = batadv_bla_backbone_dump, |
1421 | }, | |
41aeefcc LL |
1422 | { |
1423 | .cmd = BATADV_CMD_GET_DAT_CACHE, | |
ef6243ac | 1424 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
41aeefcc | 1425 | .flags = GENL_ADMIN_PERM, |
41aeefcc LL |
1426 | .dumpit = batadv_dat_cache_dump, |
1427 | }, | |
53dd9a68 LL |
1428 | { |
1429 | .cmd = BATADV_CMD_GET_MCAST_FLAGS, | |
ef6243ac | 1430 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
53dd9a68 | 1431 | .flags = GENL_ADMIN_PERM, |
53dd9a68 LL |
1432 | .dumpit = batadv_mcast_flags_dump, |
1433 | }, | |
60040513 SE |
1434 | { |
1435 | .cmd = BATADV_CMD_SET_MESH, | |
ef6243ac | 1436 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
60040513 | 1437 | .flags = GENL_ADMIN_PERM, |
60040513 SE |
1438 | .doit = batadv_netlink_set_mesh, |
1439 | .internal_flags = BATADV_FLAG_NEED_MESH, | |
1440 | }, | |
5c55a40f SE |
1441 | { |
1442 | .cmd = BATADV_CMD_SET_HARDIF, | |
ef6243ac | 1443 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5c55a40f | 1444 | .flags = GENL_ADMIN_PERM, |
5c55a40f SE |
1445 | .doit = batadv_netlink_set_hardif, |
1446 | .internal_flags = BATADV_FLAG_NEED_MESH | | |
1447 | BATADV_FLAG_NEED_HARDIF, | |
1448 | }, | |
49e7e37c SE |
1449 | { |
1450 | .cmd = BATADV_CMD_GET_VLAN, | |
ef6243ac | 1451 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
49e7e37c | 1452 | /* can be retrieved by unprivileged users */ |
49e7e37c SE |
1453 | .doit = batadv_netlink_get_vlan, |
1454 | .internal_flags = BATADV_FLAG_NEED_MESH | | |
1455 | BATADV_FLAG_NEED_VLAN, | |
1456 | }, | |
1457 | { | |
1458 | .cmd = BATADV_CMD_SET_VLAN, | |
ef6243ac | 1459 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
49e7e37c | 1460 | .flags = GENL_ADMIN_PERM, |
49e7e37c SE |
1461 | .doit = batadv_netlink_set_vlan, |
1462 | .internal_flags = BATADV_FLAG_NEED_MESH | | |
1463 | BATADV_FLAG_NEED_VLAN, | |
1464 | }, | |
09748a22 MS |
1465 | }; |
1466 | ||
56989f6d | 1467 | struct genl_family batadv_netlink_family __ro_after_init = { |
489111e5 JB |
1468 | .hdrsize = 0, |
1469 | .name = BATADV_NL_NAME, | |
1470 | .version = 1, | |
1471 | .maxattr = BATADV_ATTR_MAX, | |
3b0f31f2 | 1472 | .policy = batadv_netlink_policy, |
489111e5 | 1473 | .netnsok = true, |
c4a7a8d9 SE |
1474 | .pre_doit = batadv_pre_doit, |
1475 | .post_doit = batadv_post_doit, | |
489111e5 JB |
1476 | .module = THIS_MODULE, |
1477 | .ops = batadv_netlink_ops, | |
1478 | .n_ops = ARRAY_SIZE(batadv_netlink_ops), | |
1479 | .mcgrps = batadv_netlink_mcgrps, | |
1480 | .n_mcgrps = ARRAY_SIZE(batadv_netlink_mcgrps), | |
1481 | }; | |
1482 | ||
09748a22 | 1483 | /** |
7e9a8c2c | 1484 | * batadv_netlink_register() - register batadv genl netlink family |
09748a22 MS |
1485 | */ |
1486 | void __init batadv_netlink_register(void) | |
1487 | { | |
1488 | int ret; | |
1489 | ||
489111e5 | 1490 | ret = genl_register_family(&batadv_netlink_family); |
09748a22 MS |
1491 | if (ret) |
1492 | pr_warn("unable to register netlink family"); | |
1493 | } | |
1494 | ||
1495 | /** | |
7e9a8c2c | 1496 | * batadv_netlink_unregister() - unregister batadv genl netlink family |
09748a22 MS |
1497 | */ |
1498 | void batadv_netlink_unregister(void) | |
1499 | { | |
1500 | genl_unregister_family(&batadv_netlink_family); | |
1501 | } |