2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/list.h>
11 #include <linux/if_ether.h>
12 #include <linux/ieee80211.h>
13 #include <linux/nl80211.h>
14 #include <linux/rtnetlink.h>
15 #include <linux/netlink.h>
16 #include <linux/etherdevice.h>
17 #include <net/genetlink.h>
18 #include <net/cfg80211.h>
23 /* the netlink family */
24 static struct genl_family nl80211_fam
= {
25 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
26 .name
= "nl80211", /* have users key off the name instead */
27 .hdrsize
= 0, /* no private header */
28 .version
= 1, /* no particular meaning now */
29 .maxattr
= NL80211_ATTR_MAX
,
32 /* internal helper: get drv and dev */
33 static int get_drv_dev_by_info_ifindex(struct nlattr
**attrs
,
34 struct cfg80211_registered_device
**drv
,
35 struct net_device
**dev
)
39 if (!attrs
[NL80211_ATTR_IFINDEX
])
42 ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
43 *dev
= dev_get_by_index(&init_net
, ifindex
);
47 *drv
= cfg80211_get_dev_from_ifindex(ifindex
);
56 /* policy for the attributes */
57 static struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] __read_mostly
= {
58 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
59 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
60 .len
= BUS_ID_SIZE
-1 },
61 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
62 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
63 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
64 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
65 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
66 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
67 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
69 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
70 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
71 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
73 [NL80211_ATTR_MAC
] = { .type
= NLA_BINARY
, .len
= ETH_ALEN
},
75 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
76 .len
= WLAN_MAX_KEY_LEN
},
77 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
78 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
79 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
81 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
82 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
83 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
84 .len
= IEEE80211_MAX_DATA_LEN
},
85 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
86 .len
= IEEE80211_MAX_DATA_LEN
},
87 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
88 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
89 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
90 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
91 .len
= NL80211_MAX_SUPP_RATES
},
92 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
93 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
94 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
95 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
96 .len
= IEEE80211_MAX_MESH_ID_LEN
},
97 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
99 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
100 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
102 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
103 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
104 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
105 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
106 .len
= NL80211_MAX_SUPP_RATES
},
108 [NL80211_ATTR_MESH_PARAMS
] = { .type
= NLA_NESTED
},
110 [NL80211_ATTR_HT_CAPABILITY
] = { .type
= NLA_BINARY
,
111 .len
= NL80211_HT_CAPABILITY_LEN
},
113 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
114 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
115 .len
= IEEE80211_MAX_DATA_LEN
},
116 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
117 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
119 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
120 .len
= IEEE80211_MAX_SSID_LEN
},
121 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
122 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
123 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
124 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
128 static bool is_valid_ie_attr(const struct nlattr
*attr
)
136 pos
= nla_data(attr
);
157 /* message building helper */
158 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 pid
, u32 seq
,
161 /* since there is no private header just add the generic one */
162 return genlmsg_put(skb
, pid
, seq
, &nl80211_fam
, flags
, cmd
);
165 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
166 struct ieee80211_channel
*chan
)
168 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
171 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
172 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_DISABLED
);
173 if (chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
)
174 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
);
175 if (chan
->flags
& IEEE80211_CHAN_NO_IBSS
)
176 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
);
177 if (chan
->flags
& IEEE80211_CHAN_RADAR
)
178 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_RADAR
);
180 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
181 DBM_TO_MBM(chan
->max_power
));
189 /* netlink command implementations */
191 static int nl80211_send_wiphy(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
192 struct cfg80211_registered_device
*dev
)
195 struct nlattr
*nl_bands
, *nl_band
;
196 struct nlattr
*nl_freqs
, *nl_freq
;
197 struct nlattr
*nl_rates
, *nl_rate
;
198 struct nlattr
*nl_modes
;
199 struct nlattr
*nl_cmds
;
200 enum ieee80211_band band
;
201 struct ieee80211_channel
*chan
;
202 struct ieee80211_rate
*rate
;
204 u16 ifmodes
= dev
->wiphy
.interface_modes
;
206 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
210 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
);
211 NLA_PUT_STRING(msg
, NL80211_ATTR_WIPHY_NAME
, wiphy_name(&dev
->wiphy
));
213 NLA_PUT_U8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
214 dev
->wiphy
.retry_short
);
215 NLA_PUT_U8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
216 dev
->wiphy
.retry_long
);
217 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
218 dev
->wiphy
.frag_threshold
);
219 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
220 dev
->wiphy
.rts_threshold
);
222 NLA_PUT_U8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
223 dev
->wiphy
.max_scan_ssids
);
224 NLA_PUT_U16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
225 dev
->wiphy
.max_scan_ie_len
);
227 NLA_PUT(msg
, NL80211_ATTR_CIPHER_SUITES
,
228 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
229 dev
->wiphy
.cipher_suites
);
231 nl_modes
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
);
233 goto nla_put_failure
;
238 NLA_PUT_FLAG(msg
, i
);
243 nla_nest_end(msg
, nl_modes
);
245 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
247 goto nla_put_failure
;
249 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
250 if (!dev
->wiphy
.bands
[band
])
253 nl_band
= nla_nest_start(msg
, band
);
255 goto nla_put_failure
;
258 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
) {
259 NLA_PUT(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
260 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
261 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
);
262 NLA_PUT_U16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
263 dev
->wiphy
.bands
[band
]->ht_cap
.cap
);
264 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
265 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
);
266 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
267 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
);
270 /* add frequencies */
271 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
273 goto nla_put_failure
;
275 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
276 nl_freq
= nla_nest_start(msg
, i
);
278 goto nla_put_failure
;
280 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
282 if (nl80211_msg_put_channel(msg
, chan
))
283 goto nla_put_failure
;
285 nla_nest_end(msg
, nl_freq
);
288 nla_nest_end(msg
, nl_freqs
);
291 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
293 goto nla_put_failure
;
295 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
296 nl_rate
= nla_nest_start(msg
, i
);
298 goto nla_put_failure
;
300 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
301 NLA_PUT_U32(msg
, NL80211_BITRATE_ATTR_RATE
,
303 if (rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
)
305 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
);
307 nla_nest_end(msg
, nl_rate
);
310 nla_nest_end(msg
, nl_rates
);
312 nla_nest_end(msg
, nl_band
);
314 nla_nest_end(msg
, nl_bands
);
316 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
318 goto nla_put_failure
;
323 if (dev->ops->op) { \
325 NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
329 CMD(add_virtual_intf
, NEW_INTERFACE
);
330 CMD(change_virtual_intf
, SET_INTERFACE
);
331 CMD(add_key
, NEW_KEY
);
332 CMD(add_beacon
, NEW_BEACON
);
333 CMD(add_station
, NEW_STATION
);
334 CMD(add_mpath
, NEW_MPATH
);
335 CMD(set_mesh_params
, SET_MESH_PARAMS
);
336 CMD(change_bss
, SET_BSS
);
337 CMD(auth
, AUTHENTICATE
);
338 CMD(assoc
, ASSOCIATE
);
339 CMD(deauth
, DEAUTHENTICATE
);
340 CMD(disassoc
, DISASSOCIATE
);
341 CMD(join_ibss
, JOIN_IBSS
);
344 nla_nest_end(msg
, nl_cmds
);
346 return genlmsg_end(msg
, hdr
);
349 genlmsg_cancel(msg
, hdr
);
353 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
356 int start
= cb
->args
[0];
357 struct cfg80211_registered_device
*dev
;
359 mutex_lock(&cfg80211_mutex
);
360 list_for_each_entry(dev
, &cfg80211_drv_list
, list
) {
363 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).pid
,
364 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
370 mutex_unlock(&cfg80211_mutex
);
377 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
380 struct cfg80211_registered_device
*dev
;
382 dev
= cfg80211_get_dev_from_info(info
);
386 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
390 if (nl80211_send_wiphy(msg
, info
->snd_pid
, info
->snd_seq
, 0, dev
) < 0)
393 cfg80211_put_dev(dev
);
395 return genlmsg_unicast(msg
, info
->snd_pid
);
400 cfg80211_put_dev(dev
);
404 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
405 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
406 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
407 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
408 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
409 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
412 static int parse_txq_params(struct nlattr
*tb
[],
413 struct ieee80211_txq_params
*txq_params
)
415 if (!tb
[NL80211_TXQ_ATTR_QUEUE
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
416 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
417 !tb
[NL80211_TXQ_ATTR_AIFS
])
420 txq_params
->queue
= nla_get_u8(tb
[NL80211_TXQ_ATTR_QUEUE
]);
421 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
422 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
423 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
424 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
429 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
431 struct cfg80211_registered_device
*rdev
;
432 int result
= 0, rem_txq_params
= 0;
433 struct nlattr
*nl_txq_params
;
435 u8 retry_short
= 0, retry_long
= 0;
436 u32 frag_threshold
= 0, rts_threshold
= 0;
440 mutex_lock(&cfg80211_mutex
);
442 rdev
= __cfg80211_drv_from_info(info
);
444 result
= PTR_ERR(rdev
);
448 mutex_lock(&rdev
->mtx
);
450 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
451 result
= cfg80211_dev_rename(
452 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
454 mutex_unlock(&cfg80211_mutex
);
459 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
460 struct ieee80211_txq_params txq_params
;
461 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
463 if (!rdev
->ops
->set_txq_params
) {
464 result
= -EOPNOTSUPP
;
468 nla_for_each_nested(nl_txq_params
,
469 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
471 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
472 nla_data(nl_txq_params
),
473 nla_len(nl_txq_params
),
475 result
= parse_txq_params(tb
, &txq_params
);
479 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
486 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
487 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
488 struct ieee80211_channel
*chan
;
489 struct ieee80211_sta_ht_cap
*ht_cap
;
492 if (!rdev
->ops
->set_channel
) {
493 result
= -EOPNOTSUPP
;
499 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
500 channel_type
= nla_get_u32(info
->attrs
[
501 NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
502 if (channel_type
!= NL80211_CHAN_NO_HT
&&
503 channel_type
!= NL80211_CHAN_HT20
&&
504 channel_type
!= NL80211_CHAN_HT40PLUS
&&
505 channel_type
!= NL80211_CHAN_HT40MINUS
)
509 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
510 chan
= ieee80211_get_channel(&rdev
->wiphy
, freq
);
512 /* Primary channel not allowed */
513 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
516 if (channel_type
== NL80211_CHAN_HT40MINUS
)
517 sec_freq
= freq
- 20;
518 else if (channel_type
== NL80211_CHAN_HT40PLUS
)
519 sec_freq
= freq
+ 20;
523 ht_cap
= &rdev
->wiphy
.bands
[chan
->band
]->ht_cap
;
525 /* no HT capabilities */
526 if (channel_type
!= NL80211_CHAN_NO_HT
&&
527 !ht_cap
->ht_supported
)
531 struct ieee80211_channel
*schan
;
533 /* no 40 MHz capabilities */
534 if (!(ht_cap
->cap
& IEEE80211_HT_CAP_SUP_WIDTH_20_40
) ||
535 (ht_cap
->cap
& IEEE80211_HT_CAP_40MHZ_INTOLERANT
))
538 schan
= ieee80211_get_channel(&rdev
->wiphy
, sec_freq
);
540 /* Secondary channel not allowed */
541 if (!schan
|| schan
->flags
& IEEE80211_CHAN_DISABLED
)
545 result
= rdev
->ops
->set_channel(&rdev
->wiphy
, chan
,
553 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
554 retry_short
= nla_get_u8(
555 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
556 if (retry_short
== 0) {
560 changed
|= WIPHY_PARAM_RETRY_SHORT
;
563 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
564 retry_long
= nla_get_u8(
565 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
566 if (retry_long
== 0) {
570 changed
|= WIPHY_PARAM_RETRY_LONG
;
573 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
574 frag_threshold
= nla_get_u32(
575 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
576 if (frag_threshold
< 256) {
580 if (frag_threshold
!= (u32
) -1) {
582 * Fragments (apart from the last one) are required to
583 * have even length. Make the fragmentation code
584 * simpler by stripping LSB should someone try to use
585 * odd threshold value.
587 frag_threshold
&= ~0x1;
589 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
592 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
593 rts_threshold
= nla_get_u32(
594 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
595 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
599 u8 old_retry_short
, old_retry_long
;
600 u32 old_frag_threshold
, old_rts_threshold
;
602 if (!rdev
->ops
->set_wiphy_params
) {
603 result
= -EOPNOTSUPP
;
607 old_retry_short
= rdev
->wiphy
.retry_short
;
608 old_retry_long
= rdev
->wiphy
.retry_long
;
609 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
610 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
612 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
613 rdev
->wiphy
.retry_short
= retry_short
;
614 if (changed
& WIPHY_PARAM_RETRY_LONG
)
615 rdev
->wiphy
.retry_long
= retry_long
;
616 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
617 rdev
->wiphy
.frag_threshold
= frag_threshold
;
618 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
619 rdev
->wiphy
.rts_threshold
= rts_threshold
;
621 result
= rdev
->ops
->set_wiphy_params(&rdev
->wiphy
, changed
);
623 rdev
->wiphy
.retry_short
= old_retry_short
;
624 rdev
->wiphy
.retry_long
= old_retry_long
;
625 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
626 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
631 mutex_unlock(&rdev
->mtx
);
638 static int nl80211_send_iface(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
639 struct cfg80211_registered_device
*rdev
,
640 struct net_device
*dev
)
644 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
648 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
649 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
650 NLA_PUT_STRING(msg
, NL80211_ATTR_IFNAME
, dev
->name
);
651 NLA_PUT_U32(msg
, NL80211_ATTR_IFTYPE
, dev
->ieee80211_ptr
->iftype
);
652 return genlmsg_end(msg
, hdr
);
655 genlmsg_cancel(msg
, hdr
);
659 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
663 int wp_start
= cb
->args
[0];
664 int if_start
= cb
->args
[1];
665 struct cfg80211_registered_device
*dev
;
666 struct wireless_dev
*wdev
;
668 mutex_lock(&cfg80211_mutex
);
669 list_for_each_entry(dev
, &cfg80211_drv_list
, list
) {
670 if (wp_idx
< wp_start
) {
676 mutex_lock(&dev
->devlist_mtx
);
677 list_for_each_entry(wdev
, &dev
->netdev_list
, list
) {
678 if (if_idx
< if_start
) {
682 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).pid
,
683 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
684 dev
, wdev
->netdev
) < 0) {
685 mutex_unlock(&dev
->devlist_mtx
);
690 mutex_unlock(&dev
->devlist_mtx
);
695 mutex_unlock(&cfg80211_mutex
);
697 cb
->args
[0] = wp_idx
;
698 cb
->args
[1] = if_idx
;
703 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
706 struct cfg80211_registered_device
*dev
;
707 struct net_device
*netdev
;
710 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &dev
, &netdev
);
714 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
718 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0,
723 cfg80211_put_dev(dev
);
725 return genlmsg_unicast(msg
, info
->snd_pid
);
731 cfg80211_put_dev(dev
);
735 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
736 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
737 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
738 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
739 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
740 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
743 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
745 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
753 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
754 nla
, mntr_flags_policy
))
757 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
759 *mntrflags
|= (1<<flag
);
764 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
766 struct cfg80211_registered_device
*drv
;
767 struct vif_params params
;
769 enum nl80211_iftype otype
, ntype
;
770 struct net_device
*dev
;
771 u32 _flags
, *flags
= NULL
;
774 memset(¶ms
, 0, sizeof(params
));
778 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
782 ifindex
= dev
->ifindex
;
783 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
786 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
787 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
790 if (ntype
> NL80211_IFTYPE_MAX
) {
796 if (!drv
->ops
->change_virtual_intf
||
797 !(drv
->wiphy
.interface_modes
& (1 << ntype
))) {
802 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
803 if (ntype
!= NL80211_IFTYPE_MESH_POINT
) {
807 params
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
808 params
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
812 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
813 if (ntype
!= NL80211_IFTYPE_MONITOR
) {
817 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
827 err
= drv
->ops
->change_virtual_intf(&drv
->wiphy
, ifindex
,
828 ntype
, flags
, ¶ms
);
832 dev
= __dev_get_by_index(&init_net
, ifindex
);
833 WARN_ON(!dev
|| (!err
&& dev
->ieee80211_ptr
->iftype
!= ntype
));
835 if (dev
&& !err
&& (ntype
!= otype
)) {
836 if (otype
== NL80211_IFTYPE_ADHOC
)
837 cfg80211_clear_ibss(dev
, false);
841 cfg80211_put_dev(drv
);
847 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
849 struct cfg80211_registered_device
*drv
;
850 struct vif_params params
;
852 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
855 memset(¶ms
, 0, sizeof(params
));
857 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
860 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
861 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
862 if (type
> NL80211_IFTYPE_MAX
)
868 drv
= cfg80211_get_dev_from_info(info
);
874 if (!drv
->ops
->add_virtual_intf
||
875 !(drv
->wiphy
.interface_modes
& (1 << type
))) {
880 if (type
== NL80211_IFTYPE_MESH_POINT
&&
881 info
->attrs
[NL80211_ATTR_MESH_ID
]) {
882 params
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
883 params
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
886 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
887 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
889 err
= drv
->ops
->add_virtual_intf(&drv
->wiphy
,
890 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
891 type
, err
? NULL
: &flags
, ¶ms
);
894 cfg80211_put_dev(drv
);
900 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
902 struct cfg80211_registered_device
*drv
;
904 struct net_device
*dev
;
908 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
911 ifindex
= dev
->ifindex
;
914 if (!drv
->ops
->del_virtual_intf
) {
919 err
= drv
->ops
->del_virtual_intf(&drv
->wiphy
, ifindex
);
922 cfg80211_put_dev(drv
);
928 struct get_key_cookie
{
933 static void get_key_callback(void *c
, struct key_params
*params
)
935 struct get_key_cookie
*cookie
= c
;
938 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
939 params
->key_len
, params
->key
);
942 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
943 params
->seq_len
, params
->seq
);
946 NLA_PUT_U32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
954 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
956 struct cfg80211_registered_device
*drv
;
958 struct net_device
*dev
;
961 struct get_key_cookie cookie
= {
967 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
968 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
973 if (info
->attrs
[NL80211_ATTR_MAC
])
974 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
978 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
982 if (!drv
->ops
->get_key
) {
987 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
993 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
994 NL80211_CMD_NEW_KEY
);
1003 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1004 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
);
1006 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
1008 err
= drv
->ops
->get_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
,
1009 &cookie
, get_key_callback
);
1015 goto nla_put_failure
;
1017 genlmsg_end(msg
, hdr
);
1018 err
= genlmsg_unicast(msg
, info
->snd_pid
);
1025 cfg80211_put_dev(drv
);
1033 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
1035 struct cfg80211_registered_device
*drv
;
1037 struct net_device
*dev
;
1039 int (*func
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
1042 if (!info
->attrs
[NL80211_ATTR_KEY_IDX
])
1045 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1047 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
]) {
1048 if (key_idx
< 4 || key_idx
> 5)
1050 } else if (key_idx
> 3)
1053 /* currently only support setting default key */
1054 if (!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
] &&
1055 !info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
])
1060 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1064 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT
])
1065 func
= drv
->ops
->set_default_key
;
1067 func
= drv
->ops
->set_default_mgmt_key
;
1074 err
= func(&drv
->wiphy
, dev
, key_idx
);
1077 cfg80211_put_dev(drv
);
1086 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
1088 struct cfg80211_registered_device
*drv
;
1090 struct net_device
*dev
;
1091 struct key_params params
;
1093 u8
*mac_addr
= NULL
;
1095 memset(¶ms
, 0, sizeof(params
));
1097 if (!info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
1100 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
1101 params
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
1102 params
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
1105 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
1106 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1108 params
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
1110 if (info
->attrs
[NL80211_ATTR_MAC
])
1111 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1117 * Disallow pairwise keys with non-zero index unless it's WEP
1118 * (because current deployments use pairwise WEP keys with
1119 * non-zero indizes but 802.11i clearly specifies to use zero)
1121 if (mac_addr
&& key_idx
&&
1122 params
.cipher
!= WLAN_CIPHER_SUITE_WEP40
&&
1123 params
.cipher
!= WLAN_CIPHER_SUITE_WEP104
)
1126 /* TODO: add definitions for the lengths to linux/ieee80211.h */
1127 switch (params
.cipher
) {
1128 case WLAN_CIPHER_SUITE_WEP40
:
1129 if (params
.key_len
!= 5)
1132 case WLAN_CIPHER_SUITE_TKIP
:
1133 if (params
.key_len
!= 32)
1136 case WLAN_CIPHER_SUITE_CCMP
:
1137 if (params
.key_len
!= 16)
1140 case WLAN_CIPHER_SUITE_WEP104
:
1141 if (params
.key_len
!= 13)
1144 case WLAN_CIPHER_SUITE_AES_CMAC
:
1145 if (params
.key_len
!= 16)
1154 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1158 for (i
= 0; i
< drv
->wiphy
.n_cipher_suites
; i
++)
1159 if (params
.cipher
== drv
->wiphy
.cipher_suites
[i
])
1161 if (i
== drv
->wiphy
.n_cipher_suites
) {
1166 if (!drv
->ops
->add_key
) {
1171 err
= drv
->ops
->add_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
, ¶ms
);
1174 cfg80211_put_dev(drv
);
1182 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
1184 struct cfg80211_registered_device
*drv
;
1186 struct net_device
*dev
;
1188 u8
*mac_addr
= NULL
;
1190 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
1191 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1196 if (info
->attrs
[NL80211_ATTR_MAC
])
1197 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1201 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1205 if (!drv
->ops
->del_key
) {
1210 err
= drv
->ops
->del_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
);
1213 cfg80211_put_dev(drv
);
1222 static int nl80211_addset_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1224 int (*call
)(struct wiphy
*wiphy
, struct net_device
*dev
,
1225 struct beacon_parameters
*info
);
1226 struct cfg80211_registered_device
*drv
;
1228 struct net_device
*dev
;
1229 struct beacon_parameters params
;
1232 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]))
1237 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1241 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
) {
1246 switch (info
->genlhdr
->cmd
) {
1247 case NL80211_CMD_NEW_BEACON
:
1248 /* these are required for NEW_BEACON */
1249 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
1250 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
1251 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
1256 call
= drv
->ops
->add_beacon
;
1258 case NL80211_CMD_SET_BEACON
:
1259 call
= drv
->ops
->set_beacon
;
1272 memset(¶ms
, 0, sizeof(params
));
1274 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
1276 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
1280 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
1281 params
.dtim_period
=
1282 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
1286 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
1287 params
.head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
1289 nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
1293 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
1294 params
.tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
1296 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
1305 err
= call(&drv
->wiphy
, dev
, ¶ms
);
1308 cfg80211_put_dev(drv
);
1316 static int nl80211_del_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1318 struct cfg80211_registered_device
*drv
;
1320 struct net_device
*dev
;
1324 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1328 if (!drv
->ops
->del_beacon
) {
1333 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
) {
1337 err
= drv
->ops
->del_beacon(&drv
->wiphy
, dev
);
1340 cfg80211_put_dev(drv
);
1348 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
1349 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
1350 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
1351 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
1354 static int parse_station_flags(struct nlattr
*nla
, u32
*staflags
)
1356 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
1364 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
1365 nla
, sta_flags_policy
))
1368 *staflags
= STATION_FLAG_CHANGED
;
1370 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++)
1372 *staflags
|= (1<<flag
);
1377 static u16
nl80211_calculate_bitrate(struct rate_info
*rate
)
1379 int modulation
, streams
, bitrate
;
1381 if (!(rate
->flags
& RATE_INFO_FLAGS_MCS
))
1382 return rate
->legacy
;
1384 /* the formula below does only work for MCS values smaller than 32 */
1385 if (rate
->mcs
>= 32)
1388 modulation
= rate
->mcs
& 7;
1389 streams
= (rate
->mcs
>> 3) + 1;
1391 bitrate
= (rate
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
) ?
1395 bitrate
*= (modulation
+ 1);
1396 else if (modulation
== 4)
1397 bitrate
*= (modulation
+ 2);
1399 bitrate
*= (modulation
+ 3);
1403 if (rate
->flags
& RATE_INFO_FLAGS_SHORT_GI
)
1404 bitrate
= (bitrate
/ 9) * 10;
1406 /* do NOT round down here */
1407 return (bitrate
+ 50000) / 100000;
1410 static int nl80211_send_station(struct sk_buff
*msg
, u32 pid
, u32 seq
,
1411 int flags
, struct net_device
*dev
,
1412 u8
*mac_addr
, struct station_info
*sinfo
)
1415 struct nlattr
*sinfoattr
, *txrate
;
1418 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
1422 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1423 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
1425 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
1427 goto nla_put_failure
;
1428 if (sinfo
->filled
& STATION_INFO_INACTIVE_TIME
)
1429 NLA_PUT_U32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
1430 sinfo
->inactive_time
);
1431 if (sinfo
->filled
& STATION_INFO_RX_BYTES
)
1432 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_BYTES
,
1434 if (sinfo
->filled
& STATION_INFO_TX_BYTES
)
1435 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_BYTES
,
1437 if (sinfo
->filled
& STATION_INFO_LLID
)
1438 NLA_PUT_U16(msg
, NL80211_STA_INFO_LLID
,
1440 if (sinfo
->filled
& STATION_INFO_PLID
)
1441 NLA_PUT_U16(msg
, NL80211_STA_INFO_PLID
,
1443 if (sinfo
->filled
& STATION_INFO_PLINK_STATE
)
1444 NLA_PUT_U8(msg
, NL80211_STA_INFO_PLINK_STATE
,
1445 sinfo
->plink_state
);
1446 if (sinfo
->filled
& STATION_INFO_SIGNAL
)
1447 NLA_PUT_U8(msg
, NL80211_STA_INFO_SIGNAL
,
1449 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
1450 txrate
= nla_nest_start(msg
, NL80211_STA_INFO_TX_BITRATE
);
1452 goto nla_put_failure
;
1454 /* nl80211_calculate_bitrate will return 0 for mcs >= 32 */
1455 bitrate
= nl80211_calculate_bitrate(&sinfo
->txrate
);
1457 NLA_PUT_U16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate
);
1459 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_MCS
)
1460 NLA_PUT_U8(msg
, NL80211_RATE_INFO_MCS
,
1462 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
)
1463 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
);
1464 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_SHORT_GI
)
1465 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_SHORT_GI
);
1467 nla_nest_end(msg
, txrate
);
1469 if (sinfo
->filled
& STATION_INFO_RX_PACKETS
)
1470 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_PACKETS
,
1472 if (sinfo
->filled
& STATION_INFO_TX_PACKETS
)
1473 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_PACKETS
,
1475 nla_nest_end(msg
, sinfoattr
);
1477 return genlmsg_end(msg
, hdr
);
1480 genlmsg_cancel(msg
, hdr
);
1484 static int nl80211_dump_station(struct sk_buff
*skb
,
1485 struct netlink_callback
*cb
)
1487 struct station_info sinfo
;
1488 struct cfg80211_registered_device
*dev
;
1489 struct net_device
*netdev
;
1490 u8 mac_addr
[ETH_ALEN
];
1491 int ifidx
= cb
->args
[0];
1492 int sta_idx
= cb
->args
[1];
1496 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1497 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
1502 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
1505 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
1512 netdev
= __dev_get_by_index(&init_net
, ifidx
);
1518 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
1524 if (!dev
->ops
->dump_station
) {
1530 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
1537 if (nl80211_send_station(skb
,
1538 NETLINK_CB(cb
->skb
).pid
,
1539 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1549 cb
->args
[1] = sta_idx
;
1552 cfg80211_put_dev(dev
);
1559 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
1561 struct cfg80211_registered_device
*drv
;
1563 struct net_device
*dev
;
1564 struct station_info sinfo
;
1565 struct sk_buff
*msg
;
1566 u8
*mac_addr
= NULL
;
1568 memset(&sinfo
, 0, sizeof(sinfo
));
1570 if (!info
->attrs
[NL80211_ATTR_MAC
])
1573 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1577 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1581 if (!drv
->ops
->get_station
) {
1586 err
= drv
->ops
->get_station(&drv
->wiphy
, dev
, mac_addr
, &sinfo
);
1590 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
1594 if (nl80211_send_station(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1595 dev
, mac_addr
, &sinfo
) < 0)
1598 err
= genlmsg_unicast(msg
, info
->snd_pid
);
1604 cfg80211_put_dev(drv
);
1613 * Get vlan interface making sure it is on the right wiphy.
1615 static int get_vlan(struct nlattr
*vlanattr
,
1616 struct cfg80211_registered_device
*rdev
,
1617 struct net_device
**vlan
)
1622 *vlan
= dev_get_by_index(&init_net
, nla_get_u32(vlanattr
));
1625 if (!(*vlan
)->ieee80211_ptr
)
1627 if ((*vlan
)->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
)
1633 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
1635 struct cfg80211_registered_device
*drv
;
1637 struct net_device
*dev
;
1638 struct station_parameters params
;
1639 u8
*mac_addr
= NULL
;
1641 memset(¶ms
, 0, sizeof(params
));
1643 params
.listen_interval
= -1;
1645 if (info
->attrs
[NL80211_ATTR_STA_AID
])
1648 if (!info
->attrs
[NL80211_ATTR_MAC
])
1651 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1653 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
1654 params
.supported_rates
=
1655 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1656 params
.supported_rates_len
=
1657 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1660 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
1661 params
.listen_interval
=
1662 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
1664 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
1666 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
1668 if (parse_station_flags(info
->attrs
[NL80211_ATTR_STA_FLAGS
],
1669 ¶ms
.station_flags
))
1672 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
1673 params
.plink_action
=
1674 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
1678 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1682 err
= get_vlan(info
->attrs
[NL80211_ATTR_STA_VLAN
], drv
, ¶ms
.vlan
);
1686 if (!drv
->ops
->change_station
) {
1691 err
= drv
->ops
->change_station(&drv
->wiphy
, dev
, mac_addr
, ¶ms
);
1695 dev_put(params
.vlan
);
1696 cfg80211_put_dev(drv
);
1704 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
1706 struct cfg80211_registered_device
*drv
;
1708 struct net_device
*dev
;
1709 struct station_parameters params
;
1710 u8
*mac_addr
= NULL
;
1712 memset(¶ms
, 0, sizeof(params
));
1714 if (!info
->attrs
[NL80211_ATTR_MAC
])
1717 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
1720 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
1723 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
1726 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1727 params
.supported_rates
=
1728 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1729 params
.supported_rates_len
=
1730 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1731 params
.listen_interval
=
1732 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
1733 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
1734 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
1736 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
1738 if (parse_station_flags(info
->attrs
[NL80211_ATTR_STA_FLAGS
],
1739 ¶ms
.station_flags
))
1744 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1748 err
= get_vlan(info
->attrs
[NL80211_ATTR_STA_VLAN
], drv
, ¶ms
.vlan
);
1752 if (!drv
->ops
->add_station
) {
1757 if (!netif_running(dev
)) {
1762 err
= drv
->ops
->add_station(&drv
->wiphy
, dev
, mac_addr
, ¶ms
);
1766 dev_put(params
.vlan
);
1767 cfg80211_put_dev(drv
);
1775 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
1777 struct cfg80211_registered_device
*drv
;
1779 struct net_device
*dev
;
1780 u8
*mac_addr
= NULL
;
1782 if (info
->attrs
[NL80211_ATTR_MAC
])
1783 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1787 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1791 if (!drv
->ops
->del_station
) {
1796 err
= drv
->ops
->del_station(&drv
->wiphy
, dev
, mac_addr
);
1799 cfg80211_put_dev(drv
);
1807 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 pid
, u32 seq
,
1808 int flags
, struct net_device
*dev
,
1809 u8
*dst
, u8
*next_hop
,
1810 struct mpath_info
*pinfo
)
1813 struct nlattr
*pinfoattr
;
1815 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
1819 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1820 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
);
1821 NLA_PUT(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
);
1823 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
1825 goto nla_put_failure
;
1826 if (pinfo
->filled
& MPATH_INFO_FRAME_QLEN
)
1827 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
1829 if (pinfo
->filled
& MPATH_INFO_DSN
)
1830 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DSN
,
1832 if (pinfo
->filled
& MPATH_INFO_METRIC
)
1833 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_METRIC
,
1835 if (pinfo
->filled
& MPATH_INFO_EXPTIME
)
1836 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_EXPTIME
,
1838 if (pinfo
->filled
& MPATH_INFO_FLAGS
)
1839 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_FLAGS
,
1841 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
)
1842 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
1843 pinfo
->discovery_timeout
);
1844 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
)
1845 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
1846 pinfo
->discovery_retries
);
1848 nla_nest_end(msg
, pinfoattr
);
1850 return genlmsg_end(msg
, hdr
);
1853 genlmsg_cancel(msg
, hdr
);
1857 static int nl80211_dump_mpath(struct sk_buff
*skb
,
1858 struct netlink_callback
*cb
)
1860 struct mpath_info pinfo
;
1861 struct cfg80211_registered_device
*dev
;
1862 struct net_device
*netdev
;
1864 u8 next_hop
[ETH_ALEN
];
1865 int ifidx
= cb
->args
[0];
1866 int path_idx
= cb
->args
[1];
1870 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1871 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
1876 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
1879 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
1886 netdev
= __dev_get_by_index(&init_net
, ifidx
);
1892 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
1898 if (!dev
->ops
->dump_mpath
) {
1903 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
1909 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
1910 dst
, next_hop
, &pinfo
);
1916 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).pid
,
1917 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1918 netdev
, dst
, next_hop
,
1927 cb
->args
[1] = path_idx
;
1930 cfg80211_put_dev(dev
);
1937 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
1939 struct cfg80211_registered_device
*drv
;
1941 struct net_device
*dev
;
1942 struct mpath_info pinfo
;
1943 struct sk_buff
*msg
;
1945 u8 next_hop
[ETH_ALEN
];
1947 memset(&pinfo
, 0, sizeof(pinfo
));
1949 if (!info
->attrs
[NL80211_ATTR_MAC
])
1952 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1956 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1960 if (!drv
->ops
->get_mpath
) {
1965 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
1970 err
= drv
->ops
->get_mpath(&drv
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
1974 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
1978 if (nl80211_send_mpath(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1979 dev
, dst
, next_hop
, &pinfo
) < 0)
1982 err
= genlmsg_unicast(msg
, info
->snd_pid
);
1988 cfg80211_put_dev(drv
);
1996 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
1998 struct cfg80211_registered_device
*drv
;
2000 struct net_device
*dev
;
2002 u8
*next_hop
= NULL
;
2004 if (!info
->attrs
[NL80211_ATTR_MAC
])
2007 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
2010 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2011 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
2015 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2019 if (!drv
->ops
->change_mpath
) {
2024 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
2029 if (!netif_running(dev
)) {
2034 err
= drv
->ops
->change_mpath(&drv
->wiphy
, dev
, dst
, next_hop
);
2037 cfg80211_put_dev(drv
);
2044 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2046 struct cfg80211_registered_device
*drv
;
2048 struct net_device
*dev
;
2050 u8
*next_hop
= NULL
;
2052 if (!info
->attrs
[NL80211_ATTR_MAC
])
2055 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
2058 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2059 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
2063 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2067 if (!drv
->ops
->add_mpath
) {
2072 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
2077 if (!netif_running(dev
)) {
2082 err
= drv
->ops
->add_mpath(&drv
->wiphy
, dev
, dst
, next_hop
);
2085 cfg80211_put_dev(drv
);
2093 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2095 struct cfg80211_registered_device
*drv
;
2097 struct net_device
*dev
;
2100 if (info
->attrs
[NL80211_ATTR_MAC
])
2101 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2105 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2109 if (!drv
->ops
->del_mpath
) {
2114 err
= drv
->ops
->del_mpath(&drv
->wiphy
, dev
, dst
);
2117 cfg80211_put_dev(drv
);
2125 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
2127 struct cfg80211_registered_device
*drv
;
2129 struct net_device
*dev
;
2130 struct bss_parameters params
;
2132 memset(¶ms
, 0, sizeof(params
));
2133 /* default to not changing parameters */
2134 params
.use_cts_prot
= -1;
2135 params
.use_short_preamble
= -1;
2136 params
.use_short_slot_time
= -1;
2138 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
2139 params
.use_cts_prot
=
2140 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
2141 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
2142 params
.use_short_preamble
=
2143 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
2144 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
2145 params
.use_short_slot_time
=
2146 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
2147 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
2148 params
.basic_rates
=
2149 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2150 params
.basic_rates_len
=
2151 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2156 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2160 if (!drv
->ops
->change_bss
) {
2165 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
) {
2170 err
= drv
->ops
->change_bss(&drv
->wiphy
, dev
, ¶ms
);
2173 cfg80211_put_dev(drv
);
2181 static const struct nla_policy
2182 reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
2183 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
2184 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
2185 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
2186 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
2187 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
2188 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
2191 static int parse_reg_rule(struct nlattr
*tb
[],
2192 struct ieee80211_reg_rule
*reg_rule
)
2194 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
2195 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
2197 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
2199 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
2201 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
2203 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
2205 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
2208 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
2210 freq_range
->start_freq_khz
=
2211 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
2212 freq_range
->end_freq_khz
=
2213 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
2214 freq_range
->max_bandwidth_khz
=
2215 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
2217 power_rule
->max_eirp
=
2218 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
2220 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
2221 power_rule
->max_antenna_gain
=
2222 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
2227 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2233 * You should only get this when cfg80211 hasn't yet initialized
2234 * completely when built-in to the kernel right between the time
2235 * window between nl80211_init() and regulatory_init(), if that is
2238 mutex_lock(&cfg80211_mutex
);
2239 if (unlikely(!cfg80211_regdomain
)) {
2240 mutex_unlock(&cfg80211_mutex
);
2241 return -EINPROGRESS
;
2243 mutex_unlock(&cfg80211_mutex
);
2245 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
2248 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
2250 #ifdef CONFIG_WIRELESS_OLD_REGULATORY
2251 /* We ignore world regdom requests with the old regdom setup */
2252 if (is_world_regdom(data
))
2256 r
= regulatory_hint_user(data
);
2261 static int nl80211_get_mesh_params(struct sk_buff
*skb
,
2262 struct genl_info
*info
)
2264 struct cfg80211_registered_device
*drv
;
2265 struct mesh_config cur_params
;
2267 struct net_device
*dev
;
2269 struct nlattr
*pinfoattr
;
2270 struct sk_buff
*msg
;
2274 /* Look up our device */
2275 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2279 if (!drv
->ops
->get_mesh_params
) {
2284 /* Get the mesh params */
2285 err
= drv
->ops
->get_mesh_params(&drv
->wiphy
, dev
, &cur_params
);
2289 /* Draw up a netlink message to send back */
2290 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
2295 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2296 NL80211_CMD_GET_MESH_PARAMS
);
2298 goto nla_put_failure
;
2299 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_PARAMS
);
2301 goto nla_put_failure
;
2302 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2303 NLA_PUT_U16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
2304 cur_params
.dot11MeshRetryTimeout
);
2305 NLA_PUT_U16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
2306 cur_params
.dot11MeshConfirmTimeout
);
2307 NLA_PUT_U16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
2308 cur_params
.dot11MeshHoldingTimeout
);
2309 NLA_PUT_U16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
2310 cur_params
.dot11MeshMaxPeerLinks
);
2311 NLA_PUT_U8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
2312 cur_params
.dot11MeshMaxRetries
);
2313 NLA_PUT_U8(msg
, NL80211_MESHCONF_TTL
,
2314 cur_params
.dot11MeshTTL
);
2315 NLA_PUT_U8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
2316 cur_params
.auto_open_plinks
);
2317 NLA_PUT_U8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2318 cur_params
.dot11MeshHWMPmaxPREQretries
);
2319 NLA_PUT_U32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
2320 cur_params
.path_refresh_time
);
2321 NLA_PUT_U16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2322 cur_params
.min_discovery_timeout
);
2323 NLA_PUT_U32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2324 cur_params
.dot11MeshHWMPactivePathTimeout
);
2325 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2326 cur_params
.dot11MeshHWMPpreqMinInterval
);
2327 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2328 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
);
2329 nla_nest_end(msg
, pinfoattr
);
2330 genlmsg_end(msg
, hdr
);
2331 err
= genlmsg_unicast(msg
, info
->snd_pid
);
2335 genlmsg_cancel(msg
, hdr
);
2339 cfg80211_put_dev(drv
);
2347 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
2349 if (table[attr_num]) {\
2350 cfg.param = nla_fn(table[attr_num]); \
2351 mask |= (1 << (attr_num - 1)); \
2355 static struct nla_policy
2356 nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] __read_mostly
= {
2357 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
2358 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
2359 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
2360 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
2361 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
2362 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
2363 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
2365 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
2366 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
2367 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
2368 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
2369 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
2370 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
2373 static int nl80211_set_mesh_params(struct sk_buff
*skb
, struct genl_info
*info
)
2377 struct cfg80211_registered_device
*drv
;
2378 struct net_device
*dev
;
2379 struct mesh_config cfg
;
2380 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
2381 struct nlattr
*parent_attr
;
2383 parent_attr
= info
->attrs
[NL80211_ATTR_MESH_PARAMS
];
2386 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
2387 parent_attr
, nl80211_meshconf_params_policy
))
2392 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2396 if (!drv
->ops
->set_mesh_params
) {
2401 /* This makes sure that there aren't more than 32 mesh config
2402 * parameters (otherwise our bitfield scheme would not work.) */
2403 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
2405 /* Fill in the params struct */
2407 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
2408 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
, nla_get_u16
);
2409 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
2410 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
, nla_get_u16
);
2411 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
2412 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
, nla_get_u16
);
2413 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
2414 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
, nla_get_u16
);
2415 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
2416 mask
, NL80211_MESHCONF_MAX_RETRIES
, nla_get_u8
);
2417 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
2418 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
2419 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
2420 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
, nla_get_u8
);
2421 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
2422 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2424 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
2425 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
, nla_get_u32
);
2426 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
2427 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2429 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
2430 mask
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2432 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
2433 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2435 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
2436 dot11MeshHWMPnetDiameterTraversalTime
,
2437 mask
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2441 err
= drv
->ops
->set_mesh_params(&drv
->wiphy
, dev
, &cfg
, mask
);
2445 cfg80211_put_dev(drv
);
2453 #undef FILL_IN_MESH_PARAM_IF_SET
2455 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2457 struct sk_buff
*msg
;
2459 struct nlattr
*nl_reg_rules
;
2463 mutex_lock(&cfg80211_mutex
);
2465 if (!cfg80211_regdomain
)
2468 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
2474 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2475 NL80211_CMD_GET_REG
);
2477 goto nla_put_failure
;
2479 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
,
2480 cfg80211_regdomain
->alpha2
);
2482 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
2484 goto nla_put_failure
;
2486 for (i
= 0; i
< cfg80211_regdomain
->n_reg_rules
; i
++) {
2487 struct nlattr
*nl_reg_rule
;
2488 const struct ieee80211_reg_rule
*reg_rule
;
2489 const struct ieee80211_freq_range
*freq_range
;
2490 const struct ieee80211_power_rule
*power_rule
;
2492 reg_rule
= &cfg80211_regdomain
->reg_rules
[i
];
2493 freq_range
= ®_rule
->freq_range
;
2494 power_rule
= ®_rule
->power_rule
;
2496 nl_reg_rule
= nla_nest_start(msg
, i
);
2498 goto nla_put_failure
;
2500 NLA_PUT_U32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
2502 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
2503 freq_range
->start_freq_khz
);
2504 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
2505 freq_range
->end_freq_khz
);
2506 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
2507 freq_range
->max_bandwidth_khz
);
2508 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
2509 power_rule
->max_antenna_gain
);
2510 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
2511 power_rule
->max_eirp
);
2513 nla_nest_end(msg
, nl_reg_rule
);
2516 nla_nest_end(msg
, nl_reg_rules
);
2518 genlmsg_end(msg
, hdr
);
2519 err
= genlmsg_unicast(msg
, info
->snd_pid
);
2523 genlmsg_cancel(msg
, hdr
);
2526 mutex_unlock(&cfg80211_mutex
);
2530 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2532 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
2533 struct nlattr
*nl_reg_rule
;
2534 char *alpha2
= NULL
;
2535 int rem_reg_rules
= 0, r
= 0;
2536 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
2537 struct ieee80211_regdomain
*rd
= NULL
;
2539 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
2542 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
2545 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
2547 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
2550 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
2554 if (!reg_is_valid_request(alpha2
))
2557 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
2558 (num_rules
* sizeof(struct ieee80211_reg_rule
));
2560 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
2564 rd
->n_reg_rules
= num_rules
;
2565 rd
->alpha2
[0] = alpha2
[0];
2566 rd
->alpha2
[1] = alpha2
[1];
2568 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
2570 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
2571 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
2573 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
2579 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
)
2583 BUG_ON(rule_idx
!= num_rules
);
2585 mutex_lock(&cfg80211_mutex
);
2587 mutex_unlock(&cfg80211_mutex
);
2595 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
2597 struct cfg80211_registered_device
*drv
;
2598 struct net_device
*dev
;
2599 struct cfg80211_scan_request
*request
;
2600 struct cfg80211_ssid
*ssid
;
2601 struct ieee80211_channel
*channel
;
2602 struct nlattr
*attr
;
2603 struct wiphy
*wiphy
;
2604 int err
, tmp
, n_ssids
= 0, n_channels
= 0, i
;
2605 enum ieee80211_band band
;
2608 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
2613 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2617 wiphy
= &drv
->wiphy
;
2619 if (!drv
->ops
->scan
) {
2624 if (!netif_running(dev
)) {
2629 if (drv
->scan_req
) {
2634 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
2635 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
)
2642 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
2643 if (wiphy
->bands
[band
])
2644 n_channels
+= wiphy
->bands
[band
]->n_channels
;
2647 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
2648 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
2651 if (n_ssids
> wiphy
->max_scan_ssids
) {
2656 if (info
->attrs
[NL80211_ATTR_IE
])
2657 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2661 if (ie_len
> wiphy
->max_scan_ie_len
) {
2666 request
= kzalloc(sizeof(*request
)
2667 + sizeof(*ssid
) * n_ssids
2668 + sizeof(channel
) * n_channels
2669 + ie_len
, GFP_KERNEL
);
2675 request
->channels
= (void *)((char *)request
+ sizeof(*request
));
2676 request
->n_channels
= n_channels
;
2678 request
->ssids
= (void *)(request
->channels
+ n_channels
);
2679 request
->n_ssids
= n_ssids
;
2682 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
2684 request
->ie
= (void *)(request
->channels
+ n_channels
);
2687 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
2688 /* user specified, bail out if channel not found */
2689 request
->n_channels
= n_channels
;
2691 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
2692 request
->channels
[i
] = ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
2693 if (!request
->channels
[i
]) {
2702 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
2704 if (!wiphy
->bands
[band
])
2706 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
2707 request
->channels
[i
] = &wiphy
->bands
[band
]->channels
[j
];
2714 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
2715 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
2716 if (request
->ssids
[i
].ssid_len
> IEEE80211_MAX_SSID_LEN
) {
2720 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
2721 request
->ssids
[i
].ssid_len
= nla_len(attr
);
2726 if (info
->attrs
[NL80211_ATTR_IE
]) {
2727 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2728 memcpy((void *)request
->ie
,
2729 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
2733 request
->ifidx
= dev
->ifindex
;
2734 request
->wiphy
= &drv
->wiphy
;
2736 drv
->scan_req
= request
;
2737 err
= drv
->ops
->scan(&drv
->wiphy
, dev
, request
);
2741 drv
->scan_req
= NULL
;
2745 cfg80211_put_dev(drv
);
2753 static int nl80211_send_bss(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
2754 struct cfg80211_registered_device
*rdev
,
2755 struct net_device
*dev
,
2756 struct cfg80211_bss
*res
)
2761 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
2762 NL80211_CMD_NEW_SCAN_RESULTS
);
2766 NLA_PUT_U32(msg
, NL80211_ATTR_SCAN_GENERATION
,
2767 rdev
->bss_generation
);
2768 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2770 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
2772 goto nla_put_failure
;
2773 if (!is_zero_ether_addr(res
->bssid
))
2774 NLA_PUT(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
);
2775 if (res
->information_elements
&& res
->len_information_elements
)
2776 NLA_PUT(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
2777 res
->len_information_elements
,
2778 res
->information_elements
);
2780 NLA_PUT_U64(msg
, NL80211_BSS_TSF
, res
->tsf
);
2781 if (res
->beacon_interval
)
2782 NLA_PUT_U16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
);
2783 NLA_PUT_U16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
);
2784 NLA_PUT_U32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
);
2786 switch (rdev
->wiphy
.signal_type
) {
2787 case CFG80211_SIGNAL_TYPE_MBM
:
2788 NLA_PUT_U32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
);
2790 case CFG80211_SIGNAL_TYPE_UNSPEC
:
2791 NLA_PUT_U8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
);
2797 nla_nest_end(msg
, bss
);
2799 return genlmsg_end(msg
, hdr
);
2802 genlmsg_cancel(msg
, hdr
);
2806 static int nl80211_dump_scan(struct sk_buff
*skb
,
2807 struct netlink_callback
*cb
)
2809 struct cfg80211_registered_device
*dev
;
2810 struct net_device
*netdev
;
2811 struct cfg80211_internal_bss
*scan
;
2812 int ifidx
= cb
->args
[0];
2813 int start
= cb
->args
[1], idx
= 0;
2817 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
2818 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
2823 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
2826 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
2829 cb
->args
[0] = ifidx
;
2832 netdev
= dev_get_by_index(&init_net
, ifidx
);
2836 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
2839 goto out_put_netdev
;
2842 spin_lock_bh(&dev
->bss_lock
);
2843 cfg80211_bss_expire(dev
);
2845 list_for_each_entry(scan
, &dev
->bss_list
, list
) {
2848 if (nl80211_send_bss(skb
,
2849 NETLINK_CB(cb
->skb
).pid
,
2850 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2851 dev
, netdev
, &scan
->pub
) < 0) {
2858 spin_unlock_bh(&dev
->bss_lock
);
2862 cfg80211_put_dev(dev
);
2869 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
)
2871 return auth_type
== NL80211_AUTHTYPE_OPEN_SYSTEM
||
2872 auth_type
== NL80211_AUTHTYPE_SHARED_KEY
||
2873 auth_type
== NL80211_AUTHTYPE_FT
||
2874 auth_type
== NL80211_AUTHTYPE_NETWORK_EAP
;
2877 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
2879 struct cfg80211_registered_device
*drv
;
2880 struct net_device
*dev
;
2881 struct cfg80211_auth_request req
;
2882 struct wiphy
*wiphy
;
2885 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
2888 if (!info
->attrs
[NL80211_ATTR_MAC
])
2891 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
2896 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2900 if (!drv
->ops
->auth
) {
2905 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
2910 if (!netif_running(dev
)) {
2915 wiphy
= &drv
->wiphy
;
2916 memset(&req
, 0, sizeof(req
));
2918 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2920 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2921 req
.chan
= ieee80211_get_channel(
2923 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
2930 if (info
->attrs
[NL80211_ATTR_SSID
]) {
2931 req
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
2932 req
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
2935 if (info
->attrs
[NL80211_ATTR_IE
]) {
2936 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
2937 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2940 req
.auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
2941 if (!nl80211_valid_auth_type(req
.auth_type
)) {
2946 err
= drv
->ops
->auth(&drv
->wiphy
, dev
, &req
);
2949 cfg80211_put_dev(drv
);
2956 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
2958 struct cfg80211_registered_device
*drv
;
2959 struct net_device
*dev
;
2960 struct cfg80211_assoc_request req
;
2961 struct wiphy
*wiphy
;
2964 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
2967 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
2968 !info
->attrs
[NL80211_ATTR_SSID
])
2973 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2977 if (!drv
->ops
->assoc
) {
2982 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
2987 if (!netif_running(dev
)) {
2992 wiphy
= &drv
->wiphy
;
2993 memset(&req
, 0, sizeof(req
));
2995 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2997 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2998 req
.chan
= ieee80211_get_channel(
3000 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3007 req
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3008 req
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3010 if (info
->attrs
[NL80211_ATTR_IE
]) {
3011 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3012 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3015 err
= drv
->ops
->assoc(&drv
->wiphy
, dev
, &req
);
3018 cfg80211_put_dev(drv
);
3025 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
3027 struct cfg80211_registered_device
*drv
;
3028 struct net_device
*dev
;
3029 struct cfg80211_deauth_request req
;
3030 struct wiphy
*wiphy
;
3033 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3036 if (!info
->attrs
[NL80211_ATTR_MAC
])
3039 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
3044 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
3048 if (!drv
->ops
->deauth
) {
3053 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
3058 if (!netif_running(dev
)) {
3063 wiphy
= &drv
->wiphy
;
3064 memset(&req
, 0, sizeof(req
));
3066 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3068 req
.reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
3069 if (req
.reason_code
== 0) {
3070 /* Reason Code 0 is reserved */
3075 if (info
->attrs
[NL80211_ATTR_IE
]) {
3076 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3077 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3080 err
= drv
->ops
->deauth(&drv
->wiphy
, dev
, &req
);
3083 cfg80211_put_dev(drv
);
3090 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
3092 struct cfg80211_registered_device
*drv
;
3093 struct net_device
*dev
;
3094 struct cfg80211_disassoc_request req
;
3095 struct wiphy
*wiphy
;
3098 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3101 if (!info
->attrs
[NL80211_ATTR_MAC
])
3104 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
3109 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
3113 if (!drv
->ops
->disassoc
) {
3118 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
3123 if (!netif_running(dev
)) {
3128 wiphy
= &drv
->wiphy
;
3129 memset(&req
, 0, sizeof(req
));
3131 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3133 req
.reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
3134 if (req
.reason_code
== 0) {
3135 /* Reason Code 0 is reserved */
3140 if (info
->attrs
[NL80211_ATTR_IE
]) {
3141 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3142 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3145 err
= drv
->ops
->disassoc(&drv
->wiphy
, dev
, &req
);
3148 cfg80211_put_dev(drv
);
3155 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
3157 struct cfg80211_registered_device
*drv
;
3158 struct net_device
*dev
;
3159 struct cfg80211_ibss_params ibss
;
3160 struct wiphy
*wiphy
;
3163 memset(&ibss
, 0, sizeof(ibss
));
3165 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3168 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
3169 !info
->attrs
[NL80211_ATTR_SSID
] ||
3170 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
3173 ibss
.beacon_interval
= 100;
3175 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
3176 ibss
.beacon_interval
=
3177 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3178 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
3184 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
3188 if (!drv
->ops
->join_ibss
) {
3193 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
) {
3198 if (!netif_running(dev
)) {
3203 wiphy
= &drv
->wiphy
;
3205 if (info
->attrs
[NL80211_ATTR_MAC
])
3206 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3207 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3208 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3210 if (info
->attrs
[NL80211_ATTR_IE
]) {
3211 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3212 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3215 ibss
.channel
= ieee80211_get_channel(wiphy
,
3216 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3217 if (!ibss
.channel
||
3218 ibss
.channel
->flags
& IEEE80211_CHAN_NO_IBSS
||
3219 ibss
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
3224 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
3226 err
= cfg80211_join_ibss(drv
, dev
, &ibss
);
3229 cfg80211_put_dev(drv
);
3236 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
3238 struct cfg80211_registered_device
*drv
;
3239 struct net_device
*dev
;
3244 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
3248 if (!drv
->ops
->leave_ibss
) {
3253 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
) {
3258 if (!netif_running(dev
)) {
3263 err
= cfg80211_leave_ibss(drv
, dev
, false);
3266 cfg80211_put_dev(drv
);
3273 static struct genl_ops nl80211_ops
[] = {
3275 .cmd
= NL80211_CMD_GET_WIPHY
,
3276 .doit
= nl80211_get_wiphy
,
3277 .dumpit
= nl80211_dump_wiphy
,
3278 .policy
= nl80211_policy
,
3279 /* can be retrieved by unprivileged users */
3282 .cmd
= NL80211_CMD_SET_WIPHY
,
3283 .doit
= nl80211_set_wiphy
,
3284 .policy
= nl80211_policy
,
3285 .flags
= GENL_ADMIN_PERM
,
3288 .cmd
= NL80211_CMD_GET_INTERFACE
,
3289 .doit
= nl80211_get_interface
,
3290 .dumpit
= nl80211_dump_interface
,
3291 .policy
= nl80211_policy
,
3292 /* can be retrieved by unprivileged users */
3295 .cmd
= NL80211_CMD_SET_INTERFACE
,
3296 .doit
= nl80211_set_interface
,
3297 .policy
= nl80211_policy
,
3298 .flags
= GENL_ADMIN_PERM
,
3301 .cmd
= NL80211_CMD_NEW_INTERFACE
,
3302 .doit
= nl80211_new_interface
,
3303 .policy
= nl80211_policy
,
3304 .flags
= GENL_ADMIN_PERM
,
3307 .cmd
= NL80211_CMD_DEL_INTERFACE
,
3308 .doit
= nl80211_del_interface
,
3309 .policy
= nl80211_policy
,
3310 .flags
= GENL_ADMIN_PERM
,
3313 .cmd
= NL80211_CMD_GET_KEY
,
3314 .doit
= nl80211_get_key
,
3315 .policy
= nl80211_policy
,
3316 .flags
= GENL_ADMIN_PERM
,
3319 .cmd
= NL80211_CMD_SET_KEY
,
3320 .doit
= nl80211_set_key
,
3321 .policy
= nl80211_policy
,
3322 .flags
= GENL_ADMIN_PERM
,
3325 .cmd
= NL80211_CMD_NEW_KEY
,
3326 .doit
= nl80211_new_key
,
3327 .policy
= nl80211_policy
,
3328 .flags
= GENL_ADMIN_PERM
,
3331 .cmd
= NL80211_CMD_DEL_KEY
,
3332 .doit
= nl80211_del_key
,
3333 .policy
= nl80211_policy
,
3334 .flags
= GENL_ADMIN_PERM
,
3337 .cmd
= NL80211_CMD_SET_BEACON
,
3338 .policy
= nl80211_policy
,
3339 .flags
= GENL_ADMIN_PERM
,
3340 .doit
= nl80211_addset_beacon
,
3343 .cmd
= NL80211_CMD_NEW_BEACON
,
3344 .policy
= nl80211_policy
,
3345 .flags
= GENL_ADMIN_PERM
,
3346 .doit
= nl80211_addset_beacon
,
3349 .cmd
= NL80211_CMD_DEL_BEACON
,
3350 .policy
= nl80211_policy
,
3351 .flags
= GENL_ADMIN_PERM
,
3352 .doit
= nl80211_del_beacon
,
3355 .cmd
= NL80211_CMD_GET_STATION
,
3356 .doit
= nl80211_get_station
,
3357 .dumpit
= nl80211_dump_station
,
3358 .policy
= nl80211_policy
,
3361 .cmd
= NL80211_CMD_SET_STATION
,
3362 .doit
= nl80211_set_station
,
3363 .policy
= nl80211_policy
,
3364 .flags
= GENL_ADMIN_PERM
,
3367 .cmd
= NL80211_CMD_NEW_STATION
,
3368 .doit
= nl80211_new_station
,
3369 .policy
= nl80211_policy
,
3370 .flags
= GENL_ADMIN_PERM
,
3373 .cmd
= NL80211_CMD_DEL_STATION
,
3374 .doit
= nl80211_del_station
,
3375 .policy
= nl80211_policy
,
3376 .flags
= GENL_ADMIN_PERM
,
3379 .cmd
= NL80211_CMD_GET_MPATH
,
3380 .doit
= nl80211_get_mpath
,
3381 .dumpit
= nl80211_dump_mpath
,
3382 .policy
= nl80211_policy
,
3383 .flags
= GENL_ADMIN_PERM
,
3386 .cmd
= NL80211_CMD_SET_MPATH
,
3387 .doit
= nl80211_set_mpath
,
3388 .policy
= nl80211_policy
,
3389 .flags
= GENL_ADMIN_PERM
,
3392 .cmd
= NL80211_CMD_NEW_MPATH
,
3393 .doit
= nl80211_new_mpath
,
3394 .policy
= nl80211_policy
,
3395 .flags
= GENL_ADMIN_PERM
,
3398 .cmd
= NL80211_CMD_DEL_MPATH
,
3399 .doit
= nl80211_del_mpath
,
3400 .policy
= nl80211_policy
,
3401 .flags
= GENL_ADMIN_PERM
,
3404 .cmd
= NL80211_CMD_SET_BSS
,
3405 .doit
= nl80211_set_bss
,
3406 .policy
= nl80211_policy
,
3407 .flags
= GENL_ADMIN_PERM
,
3410 .cmd
= NL80211_CMD_GET_REG
,
3411 .doit
= nl80211_get_reg
,
3412 .policy
= nl80211_policy
,
3413 /* can be retrieved by unprivileged users */
3416 .cmd
= NL80211_CMD_SET_REG
,
3417 .doit
= nl80211_set_reg
,
3418 .policy
= nl80211_policy
,
3419 .flags
= GENL_ADMIN_PERM
,
3422 .cmd
= NL80211_CMD_REQ_SET_REG
,
3423 .doit
= nl80211_req_set_reg
,
3424 .policy
= nl80211_policy
,
3425 .flags
= GENL_ADMIN_PERM
,
3428 .cmd
= NL80211_CMD_GET_MESH_PARAMS
,
3429 .doit
= nl80211_get_mesh_params
,
3430 .policy
= nl80211_policy
,
3431 /* can be retrieved by unprivileged users */
3434 .cmd
= NL80211_CMD_SET_MESH_PARAMS
,
3435 .doit
= nl80211_set_mesh_params
,
3436 .policy
= nl80211_policy
,
3437 .flags
= GENL_ADMIN_PERM
,
3440 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
3441 .doit
= nl80211_trigger_scan
,
3442 .policy
= nl80211_policy
,
3443 .flags
= GENL_ADMIN_PERM
,
3446 .cmd
= NL80211_CMD_GET_SCAN
,
3447 .policy
= nl80211_policy
,
3448 .dumpit
= nl80211_dump_scan
,
3451 .cmd
= NL80211_CMD_AUTHENTICATE
,
3452 .doit
= nl80211_authenticate
,
3453 .policy
= nl80211_policy
,
3454 .flags
= GENL_ADMIN_PERM
,
3457 .cmd
= NL80211_CMD_ASSOCIATE
,
3458 .doit
= nl80211_associate
,
3459 .policy
= nl80211_policy
,
3460 .flags
= GENL_ADMIN_PERM
,
3463 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
3464 .doit
= nl80211_deauthenticate
,
3465 .policy
= nl80211_policy
,
3466 .flags
= GENL_ADMIN_PERM
,
3469 .cmd
= NL80211_CMD_DISASSOCIATE
,
3470 .doit
= nl80211_disassociate
,
3471 .policy
= nl80211_policy
,
3472 .flags
= GENL_ADMIN_PERM
,
3475 .cmd
= NL80211_CMD_JOIN_IBSS
,
3476 .doit
= nl80211_join_ibss
,
3477 .policy
= nl80211_policy
,
3478 .flags
= GENL_ADMIN_PERM
,
3481 .cmd
= NL80211_CMD_LEAVE_IBSS
,
3482 .doit
= nl80211_leave_ibss
,
3483 .policy
= nl80211_policy
,
3484 .flags
= GENL_ADMIN_PERM
,
3487 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
3491 /* multicast groups */
3492 static struct genl_multicast_group nl80211_config_mcgrp
= {
3495 static struct genl_multicast_group nl80211_scan_mcgrp
= {
3498 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
3499 .name
= "regulatory",
3502 /* notification functions */
3504 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
3506 struct sk_buff
*msg
;
3508 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
3512 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
3517 genlmsg_multicast(msg
, 0, nl80211_config_mcgrp
.id
, GFP_KERNEL
);
3520 static int nl80211_send_scan_donemsg(struct sk_buff
*msg
,
3521 struct cfg80211_registered_device
*rdev
,
3522 struct net_device
*netdev
,
3523 u32 pid
, u32 seq
, int flags
,
3528 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
3532 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3533 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3535 /* XXX: we should probably bounce back the request? */
3537 return genlmsg_end(msg
, hdr
);
3540 genlmsg_cancel(msg
, hdr
);
3544 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
3545 struct net_device
*netdev
)
3547 struct sk_buff
*msg
;
3549 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
3553 if (nl80211_send_scan_donemsg(msg
, rdev
, netdev
, 0, 0, 0,
3554 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
3559 genlmsg_multicast(msg
, 0, nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
3562 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
3563 struct net_device
*netdev
)
3565 struct sk_buff
*msg
;
3567 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
3571 if (nl80211_send_scan_donemsg(msg
, rdev
, netdev
, 0, 0, 0,
3572 NL80211_CMD_SCAN_ABORTED
) < 0) {
3577 genlmsg_multicast(msg
, 0, nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
3581 * This can happen on global regulatory changes or device specific settings
3582 * based on custom world regulatory domains.
3584 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
3586 struct sk_buff
*msg
;
3589 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
3593 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
3599 /* Userspace can always count this one always being set */
3600 NLA_PUT_U8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
);
3602 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0')
3603 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3604 NL80211_REGDOM_TYPE_WORLD
);
3605 else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9')
3606 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3607 NL80211_REGDOM_TYPE_CUSTOM_WORLD
);
3608 else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
3610 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3611 NL80211_REGDOM_TYPE_INTERSECTION
);
3613 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3614 NL80211_REGDOM_TYPE_COUNTRY
);
3615 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
, request
->alpha2
);
3618 if (wiphy_idx_valid(request
->wiphy_idx
))
3619 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
);
3621 if (genlmsg_end(msg
, hdr
) < 0) {
3626 genlmsg_multicast(msg
, 0, nl80211_regulatory_mcgrp
.id
, GFP_KERNEL
);
3631 genlmsg_cancel(msg
, hdr
);
3635 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
3636 struct net_device
*netdev
,
3637 const u8
*buf
, size_t len
,
3638 enum nl80211_commands cmd
)
3640 struct sk_buff
*msg
;
3643 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_ATOMIC
);
3647 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
3653 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3654 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3655 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
3657 if (genlmsg_end(msg
, hdr
) < 0) {
3662 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, GFP_ATOMIC
);
3666 genlmsg_cancel(msg
, hdr
);
3670 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
3671 struct net_device
*netdev
, const u8
*buf
, size_t len
)
3673 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
3674 NL80211_CMD_AUTHENTICATE
);
3677 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
3678 struct net_device
*netdev
, const u8
*buf
,
3681 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
, NL80211_CMD_ASSOCIATE
);
3684 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
3685 struct net_device
*netdev
, const u8
*buf
, size_t len
)
3687 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
3688 NL80211_CMD_DEAUTHENTICATE
);
3691 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
3692 struct net_device
*netdev
, const u8
*buf
,
3695 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
3696 NL80211_CMD_DISASSOCIATE
);
3699 void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
3700 struct net_device
*netdev
, int cmd
,
3703 struct sk_buff
*msg
;
3706 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_ATOMIC
);
3710 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
3716 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3717 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3718 NLA_PUT_FLAG(msg
, NL80211_ATTR_TIMED_OUT
);
3719 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
3721 if (genlmsg_end(msg
, hdr
) < 0) {
3726 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, GFP_ATOMIC
);
3730 genlmsg_cancel(msg
, hdr
);
3734 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
3735 struct net_device
*netdev
, const u8
*addr
)
3737 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
3741 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
3742 struct net_device
*netdev
, const u8
*addr
)
3744 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
, addr
);
3747 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
3748 struct net_device
*netdev
, const u8
*bssid
,
3751 struct sk_buff
*msg
;
3754 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
3758 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
3764 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3765 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3766 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
3768 if (genlmsg_end(msg
, hdr
) < 0) {
3773 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, gfp
);
3777 genlmsg_cancel(msg
, hdr
);
3781 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
3782 struct net_device
*netdev
, const u8
*addr
,
3783 enum nl80211_key_type key_type
, int key_id
,
3786 struct sk_buff
*msg
;
3789 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
3793 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
3799 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3800 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3802 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
3803 NLA_PUT_U32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
);
3804 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_id
);
3806 NLA_PUT(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
);
3808 if (genlmsg_end(msg
, hdr
) < 0) {
3813 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
3817 genlmsg_cancel(msg
, hdr
);
3821 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
3822 struct ieee80211_channel
*channel_before
,
3823 struct ieee80211_channel
*channel_after
)
3825 struct sk_buff
*msg
;
3827 struct nlattr
*nl_freq
;
3829 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_ATOMIC
);
3833 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
3840 * Since we are applying the beacon hint to a wiphy we know its
3841 * wiphy_idx is valid
3843 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
));
3846 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
3848 goto nla_put_failure
;
3849 if (nl80211_msg_put_channel(msg
, channel_before
))
3850 goto nla_put_failure
;
3851 nla_nest_end(msg
, nl_freq
);
3854 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
3856 goto nla_put_failure
;
3857 if (nl80211_msg_put_channel(msg
, channel_after
))
3858 goto nla_put_failure
;
3859 nla_nest_end(msg
, nl_freq
);
3861 if (genlmsg_end(msg
, hdr
) < 0) {
3866 genlmsg_multicast(msg
, 0, nl80211_regulatory_mcgrp
.id
, GFP_ATOMIC
);
3871 genlmsg_cancel(msg
, hdr
);
3875 /* initialisation/exit functions */
3877 int nl80211_init(void)
3881 err
= genl_register_family(&nl80211_fam
);
3885 for (i
= 0; i
< ARRAY_SIZE(nl80211_ops
); i
++) {
3886 err
= genl_register_ops(&nl80211_fam
, &nl80211_ops
[i
]);
3891 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
3895 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
3899 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
3903 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
3909 genl_unregister_family(&nl80211_fam
);
3913 void nl80211_exit(void)
3915 genl_unregister_family(&nl80211_fam
);