2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2009 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
,
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
},
80 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 8 },
82 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
83 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
84 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
85 .len
= IEEE80211_MAX_DATA_LEN
},
86 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
87 .len
= IEEE80211_MAX_DATA_LEN
},
88 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
89 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
90 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
91 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
92 .len
= NL80211_MAX_SUPP_RATES
},
93 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
94 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
95 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
96 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
97 .len
= IEEE80211_MAX_MESH_ID_LEN
},
98 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
100 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
101 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
103 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
104 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
105 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
106 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
107 .len
= NL80211_MAX_SUPP_RATES
},
109 [NL80211_ATTR_MESH_PARAMS
] = { .type
= NLA_NESTED
},
111 [NL80211_ATTR_HT_CAPABILITY
] = { .type
= NLA_BINARY
,
112 .len
= NL80211_HT_CAPABILITY_LEN
},
114 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
115 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
116 .len
= IEEE80211_MAX_DATA_LEN
},
117 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
118 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
120 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
121 .len
= IEEE80211_MAX_SSID_LEN
},
122 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
123 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
124 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
125 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
126 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
127 [NL80211_ATTR_STA_FLAGS2
] = {
128 .len
= sizeof(struct nl80211_sta_flag_update
),
130 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
134 static bool is_valid_ie_attr(const struct nlattr
*attr
)
142 pos
= nla_data(attr
);
163 /* message building helper */
164 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 pid
, u32 seq
,
167 /* since there is no private header just add the generic one */
168 return genlmsg_put(skb
, pid
, seq
, &nl80211_fam
, flags
, cmd
);
171 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
172 struct ieee80211_channel
*chan
)
174 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
177 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
178 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_DISABLED
);
179 if (chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
)
180 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
);
181 if (chan
->flags
& IEEE80211_CHAN_NO_IBSS
)
182 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
);
183 if (chan
->flags
& IEEE80211_CHAN_RADAR
)
184 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_RADAR
);
186 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
187 DBM_TO_MBM(chan
->max_power
));
195 /* netlink command implementations */
197 static int nl80211_send_wiphy(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
198 struct cfg80211_registered_device
*dev
)
201 struct nlattr
*nl_bands
, *nl_band
;
202 struct nlattr
*nl_freqs
, *nl_freq
;
203 struct nlattr
*nl_rates
, *nl_rate
;
204 struct nlattr
*nl_modes
;
205 struct nlattr
*nl_cmds
;
206 enum ieee80211_band band
;
207 struct ieee80211_channel
*chan
;
208 struct ieee80211_rate
*rate
;
210 u16 ifmodes
= dev
->wiphy
.interface_modes
;
212 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
216 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
);
217 NLA_PUT_STRING(msg
, NL80211_ATTR_WIPHY_NAME
, wiphy_name(&dev
->wiphy
));
219 NLA_PUT_U8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
220 dev
->wiphy
.retry_short
);
221 NLA_PUT_U8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
222 dev
->wiphy
.retry_long
);
223 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
224 dev
->wiphy
.frag_threshold
);
225 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
226 dev
->wiphy
.rts_threshold
);
228 NLA_PUT_U8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
229 dev
->wiphy
.max_scan_ssids
);
230 NLA_PUT_U16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
231 dev
->wiphy
.max_scan_ie_len
);
233 NLA_PUT(msg
, NL80211_ATTR_CIPHER_SUITES
,
234 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
235 dev
->wiphy
.cipher_suites
);
237 nl_modes
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
);
239 goto nla_put_failure
;
244 NLA_PUT_FLAG(msg
, i
);
249 nla_nest_end(msg
, nl_modes
);
251 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
253 goto nla_put_failure
;
255 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
256 if (!dev
->wiphy
.bands
[band
])
259 nl_band
= nla_nest_start(msg
, band
);
261 goto nla_put_failure
;
264 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
) {
265 NLA_PUT(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
266 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
267 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
);
268 NLA_PUT_U16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
269 dev
->wiphy
.bands
[band
]->ht_cap
.cap
);
270 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
271 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
);
272 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
273 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
);
276 /* add frequencies */
277 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
279 goto nla_put_failure
;
281 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
282 nl_freq
= nla_nest_start(msg
, i
);
284 goto nla_put_failure
;
286 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
288 if (nl80211_msg_put_channel(msg
, chan
))
289 goto nla_put_failure
;
291 nla_nest_end(msg
, nl_freq
);
294 nla_nest_end(msg
, nl_freqs
);
297 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
299 goto nla_put_failure
;
301 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
302 nl_rate
= nla_nest_start(msg
, i
);
304 goto nla_put_failure
;
306 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
307 NLA_PUT_U32(msg
, NL80211_BITRATE_ATTR_RATE
,
309 if (rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
)
311 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
);
313 nla_nest_end(msg
, nl_rate
);
316 nla_nest_end(msg
, nl_rates
);
318 nla_nest_end(msg
, nl_band
);
320 nla_nest_end(msg
, nl_bands
);
322 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
324 goto nla_put_failure
;
329 if (dev->ops->op) { \
331 NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
335 CMD(add_virtual_intf
, NEW_INTERFACE
);
336 CMD(change_virtual_intf
, SET_INTERFACE
);
337 CMD(add_key
, NEW_KEY
);
338 CMD(add_beacon
, NEW_BEACON
);
339 CMD(add_station
, NEW_STATION
);
340 CMD(add_mpath
, NEW_MPATH
);
341 CMD(set_mesh_params
, SET_MESH_PARAMS
);
342 CMD(change_bss
, SET_BSS
);
343 CMD(auth
, AUTHENTICATE
);
344 CMD(assoc
, ASSOCIATE
);
345 CMD(deauth
, DEAUTHENTICATE
);
346 CMD(disassoc
, DISASSOCIATE
);
347 CMD(join_ibss
, JOIN_IBSS
);
350 nla_nest_end(msg
, nl_cmds
);
352 return genlmsg_end(msg
, hdr
);
355 genlmsg_cancel(msg
, hdr
);
359 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
362 int start
= cb
->args
[0];
363 struct cfg80211_registered_device
*dev
;
365 mutex_lock(&cfg80211_mutex
);
366 list_for_each_entry(dev
, &cfg80211_drv_list
, list
) {
369 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).pid
,
370 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
376 mutex_unlock(&cfg80211_mutex
);
383 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
386 struct cfg80211_registered_device
*dev
;
388 dev
= cfg80211_get_dev_from_info(info
);
392 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
396 if (nl80211_send_wiphy(msg
, info
->snd_pid
, info
->snd_seq
, 0, dev
) < 0)
399 cfg80211_put_dev(dev
);
401 return genlmsg_unicast(msg
, info
->snd_pid
);
406 cfg80211_put_dev(dev
);
410 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
411 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
412 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
413 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
414 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
415 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
418 static int parse_txq_params(struct nlattr
*tb
[],
419 struct ieee80211_txq_params
*txq_params
)
421 if (!tb
[NL80211_TXQ_ATTR_QUEUE
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
422 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
423 !tb
[NL80211_TXQ_ATTR_AIFS
])
426 txq_params
->queue
= nla_get_u8(tb
[NL80211_TXQ_ATTR_QUEUE
]);
427 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
428 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
429 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
430 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
435 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
437 struct cfg80211_registered_device
*rdev
;
438 int result
= 0, rem_txq_params
= 0;
439 struct nlattr
*nl_txq_params
;
441 u8 retry_short
= 0, retry_long
= 0;
442 u32 frag_threshold
= 0, rts_threshold
= 0;
446 mutex_lock(&cfg80211_mutex
);
448 rdev
= __cfg80211_drv_from_info(info
);
450 result
= PTR_ERR(rdev
);
454 mutex_lock(&rdev
->mtx
);
456 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
457 result
= cfg80211_dev_rename(
458 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
460 mutex_unlock(&cfg80211_mutex
);
465 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
466 struct ieee80211_txq_params txq_params
;
467 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
469 if (!rdev
->ops
->set_txq_params
) {
470 result
= -EOPNOTSUPP
;
474 nla_for_each_nested(nl_txq_params
,
475 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
477 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
478 nla_data(nl_txq_params
),
479 nla_len(nl_txq_params
),
481 result
= parse_txq_params(tb
, &txq_params
);
485 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
492 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
493 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
494 struct ieee80211_channel
*chan
;
495 struct ieee80211_sta_ht_cap
*ht_cap
;
498 if (!rdev
->ops
->set_channel
) {
499 result
= -EOPNOTSUPP
;
505 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
506 channel_type
= nla_get_u32(info
->attrs
[
507 NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
508 if (channel_type
!= NL80211_CHAN_NO_HT
&&
509 channel_type
!= NL80211_CHAN_HT20
&&
510 channel_type
!= NL80211_CHAN_HT40PLUS
&&
511 channel_type
!= NL80211_CHAN_HT40MINUS
)
515 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
516 chan
= ieee80211_get_channel(&rdev
->wiphy
, freq
);
518 /* Primary channel not allowed */
519 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
522 if (channel_type
== NL80211_CHAN_HT40MINUS
&&
523 (chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
))
525 else if (channel_type
== NL80211_CHAN_HT40PLUS
&&
526 (chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
))
530 * At this point we know if that if HT40 was requested
531 * we are allowed to use it and the extension channel
535 ht_cap
= &rdev
->wiphy
.bands
[chan
->band
]->ht_cap
;
537 /* no HT capabilities or intolerant */
538 if (channel_type
!= NL80211_CHAN_NO_HT
) {
539 if (!ht_cap
->ht_supported
)
541 if (!(ht_cap
->cap
& IEEE80211_HT_CAP_SUP_WIDTH_20_40
) ||
542 (ht_cap
->cap
& IEEE80211_HT_CAP_40MHZ_INTOLERANT
))
546 result
= rdev
->ops
->set_channel(&rdev
->wiphy
, chan
,
554 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
555 retry_short
= nla_get_u8(
556 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
557 if (retry_short
== 0) {
561 changed
|= WIPHY_PARAM_RETRY_SHORT
;
564 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
565 retry_long
= nla_get_u8(
566 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
567 if (retry_long
== 0) {
571 changed
|= WIPHY_PARAM_RETRY_LONG
;
574 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
575 frag_threshold
= nla_get_u32(
576 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
577 if (frag_threshold
< 256) {
581 if (frag_threshold
!= (u32
) -1) {
583 * Fragments (apart from the last one) are required to
584 * have even length. Make the fragmentation code
585 * simpler by stripping LSB should someone try to use
586 * odd threshold value.
588 frag_threshold
&= ~0x1;
590 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
593 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
594 rts_threshold
= nla_get_u32(
595 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
596 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
600 u8 old_retry_short
, old_retry_long
;
601 u32 old_frag_threshold
, old_rts_threshold
;
603 if (!rdev
->ops
->set_wiphy_params
) {
604 result
= -EOPNOTSUPP
;
608 old_retry_short
= rdev
->wiphy
.retry_short
;
609 old_retry_long
= rdev
->wiphy
.retry_long
;
610 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
611 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
613 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
614 rdev
->wiphy
.retry_short
= retry_short
;
615 if (changed
& WIPHY_PARAM_RETRY_LONG
)
616 rdev
->wiphy
.retry_long
= retry_long
;
617 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
618 rdev
->wiphy
.frag_threshold
= frag_threshold
;
619 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
620 rdev
->wiphy
.rts_threshold
= rts_threshold
;
622 result
= rdev
->ops
->set_wiphy_params(&rdev
->wiphy
, changed
);
624 rdev
->wiphy
.retry_short
= old_retry_short
;
625 rdev
->wiphy
.retry_long
= old_retry_long
;
626 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
627 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
632 mutex_unlock(&rdev
->mtx
);
639 static int nl80211_send_iface(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
640 struct cfg80211_registered_device
*rdev
,
641 struct net_device
*dev
)
645 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
649 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
650 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
651 NLA_PUT_STRING(msg
, NL80211_ATTR_IFNAME
, dev
->name
);
652 NLA_PUT_U32(msg
, NL80211_ATTR_IFTYPE
, dev
->ieee80211_ptr
->iftype
);
653 return genlmsg_end(msg
, hdr
);
656 genlmsg_cancel(msg
, hdr
);
660 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
664 int wp_start
= cb
->args
[0];
665 int if_start
= cb
->args
[1];
666 struct cfg80211_registered_device
*dev
;
667 struct wireless_dev
*wdev
;
669 mutex_lock(&cfg80211_mutex
);
670 list_for_each_entry(dev
, &cfg80211_drv_list
, list
) {
671 if (wp_idx
< wp_start
) {
677 mutex_lock(&dev
->devlist_mtx
);
678 list_for_each_entry(wdev
, &dev
->netdev_list
, list
) {
679 if (if_idx
< if_start
) {
683 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).pid
,
684 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
685 dev
, wdev
->netdev
) < 0) {
686 mutex_unlock(&dev
->devlist_mtx
);
691 mutex_unlock(&dev
->devlist_mtx
);
696 mutex_unlock(&cfg80211_mutex
);
698 cb
->args
[0] = wp_idx
;
699 cb
->args
[1] = if_idx
;
704 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
707 struct cfg80211_registered_device
*dev
;
708 struct net_device
*netdev
;
711 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &dev
, &netdev
);
715 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
719 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0,
724 cfg80211_put_dev(dev
);
726 return genlmsg_unicast(msg
, info
->snd_pid
);
732 cfg80211_put_dev(dev
);
736 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
737 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
738 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
739 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
740 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
741 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
744 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
746 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
754 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
755 nla
, mntr_flags_policy
))
758 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
760 *mntrflags
|= (1<<flag
);
765 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
767 struct cfg80211_registered_device
*drv
;
768 struct vif_params params
;
770 enum nl80211_iftype otype
, ntype
;
771 struct net_device
*dev
;
772 u32 _flags
, *flags
= NULL
;
775 memset(¶ms
, 0, sizeof(params
));
779 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
783 ifindex
= dev
->ifindex
;
784 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
787 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
788 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
791 if (ntype
> NL80211_IFTYPE_MAX
) {
797 if (!drv
->ops
->change_virtual_intf
||
798 !(drv
->wiphy
.interface_modes
& (1 << ntype
))) {
803 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
804 if (ntype
!= NL80211_IFTYPE_MESH_POINT
) {
808 params
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
809 params
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
813 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
814 if (ntype
!= NL80211_IFTYPE_MONITOR
) {
818 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
828 err
= drv
->ops
->change_virtual_intf(&drv
->wiphy
, ifindex
,
829 ntype
, flags
, ¶ms
);
833 dev
= __dev_get_by_index(&init_net
, ifindex
);
834 WARN_ON(!dev
|| (!err
&& dev
->ieee80211_ptr
->iftype
!= ntype
));
836 if (dev
&& !err
&& (ntype
!= otype
)) {
837 if (otype
== NL80211_IFTYPE_ADHOC
)
838 cfg80211_clear_ibss(dev
, false);
842 cfg80211_put_dev(drv
);
848 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
850 struct cfg80211_registered_device
*drv
;
851 struct vif_params params
;
853 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
856 memset(¶ms
, 0, sizeof(params
));
858 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
861 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
862 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
863 if (type
> NL80211_IFTYPE_MAX
)
869 drv
= cfg80211_get_dev_from_info(info
);
875 if (!drv
->ops
->add_virtual_intf
||
876 !(drv
->wiphy
.interface_modes
& (1 << type
))) {
881 if (type
== NL80211_IFTYPE_MESH_POINT
&&
882 info
->attrs
[NL80211_ATTR_MESH_ID
]) {
883 params
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
884 params
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
887 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
888 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
890 err
= drv
->ops
->add_virtual_intf(&drv
->wiphy
,
891 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
892 type
, err
? NULL
: &flags
, ¶ms
);
895 cfg80211_put_dev(drv
);
901 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
903 struct cfg80211_registered_device
*drv
;
905 struct net_device
*dev
;
909 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
912 ifindex
= dev
->ifindex
;
915 if (!drv
->ops
->del_virtual_intf
) {
920 err
= drv
->ops
->del_virtual_intf(&drv
->wiphy
, ifindex
);
923 cfg80211_put_dev(drv
);
929 struct get_key_cookie
{
934 static void get_key_callback(void *c
, struct key_params
*params
)
936 struct get_key_cookie
*cookie
= c
;
939 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
940 params
->key_len
, params
->key
);
943 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
944 params
->seq_len
, params
->seq
);
947 NLA_PUT_U32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
955 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
957 struct cfg80211_registered_device
*drv
;
959 struct net_device
*dev
;
962 struct get_key_cookie cookie
= {
968 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
969 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
974 if (info
->attrs
[NL80211_ATTR_MAC
])
975 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
979 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
983 if (!drv
->ops
->get_key
) {
988 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
994 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
995 NL80211_CMD_NEW_KEY
);
1004 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1005 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
);
1007 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
1009 err
= drv
->ops
->get_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
,
1010 &cookie
, get_key_callback
);
1016 goto nla_put_failure
;
1018 genlmsg_end(msg
, hdr
);
1019 err
= genlmsg_unicast(msg
, info
->snd_pid
);
1026 cfg80211_put_dev(drv
);
1034 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
1036 struct cfg80211_registered_device
*drv
;
1038 struct net_device
*dev
;
1040 int (*func
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
1043 if (!info
->attrs
[NL80211_ATTR_KEY_IDX
])
1046 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1048 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
]) {
1049 if (key_idx
< 4 || key_idx
> 5)
1051 } else if (key_idx
> 3)
1054 /* currently only support setting default key */
1055 if (!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
] &&
1056 !info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
])
1061 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1065 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT
])
1066 func
= drv
->ops
->set_default_key
;
1068 func
= drv
->ops
->set_default_mgmt_key
;
1075 err
= func(&drv
->wiphy
, dev
, key_idx
);
1076 #ifdef CONFIG_WIRELESS_EXT
1078 if (func
== drv
->ops
->set_default_key
)
1079 dev
->ieee80211_ptr
->wext
.default_key
= key_idx
;
1081 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key_idx
;
1086 cfg80211_put_dev(drv
);
1095 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
1097 struct cfg80211_registered_device
*drv
;
1099 struct net_device
*dev
;
1100 struct key_params params
;
1102 u8
*mac_addr
= NULL
;
1104 memset(¶ms
, 0, sizeof(params
));
1106 if (!info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
1109 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
1110 params
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
1111 params
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
1114 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
1115 params
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
1116 params
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
1119 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
1120 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1122 params
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
1124 if (info
->attrs
[NL80211_ATTR_MAC
])
1125 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1127 if (cfg80211_validate_key_settings(¶ms
, key_idx
, mac_addr
))
1132 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1136 for (i
= 0; i
< drv
->wiphy
.n_cipher_suites
; i
++)
1137 if (params
.cipher
== drv
->wiphy
.cipher_suites
[i
])
1139 if (i
== drv
->wiphy
.n_cipher_suites
) {
1144 if (!drv
->ops
->add_key
) {
1149 err
= drv
->ops
->add_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
, ¶ms
);
1152 cfg80211_put_dev(drv
);
1160 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
1162 struct cfg80211_registered_device
*drv
;
1164 struct net_device
*dev
;
1166 u8
*mac_addr
= NULL
;
1168 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
1169 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1174 if (info
->attrs
[NL80211_ATTR_MAC
])
1175 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1179 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1183 if (!drv
->ops
->del_key
) {
1188 err
= drv
->ops
->del_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
);
1190 #ifdef CONFIG_WIRELESS_EXT
1192 if (key_idx
== dev
->ieee80211_ptr
->wext
.default_key
)
1193 dev
->ieee80211_ptr
->wext
.default_key
= -1;
1194 else if (key_idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
1195 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
1200 cfg80211_put_dev(drv
);
1209 static int nl80211_addset_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1211 int (*call
)(struct wiphy
*wiphy
, struct net_device
*dev
,
1212 struct beacon_parameters
*info
);
1213 struct cfg80211_registered_device
*drv
;
1215 struct net_device
*dev
;
1216 struct beacon_parameters params
;
1219 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]))
1224 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1228 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
) {
1233 switch (info
->genlhdr
->cmd
) {
1234 case NL80211_CMD_NEW_BEACON
:
1235 /* these are required for NEW_BEACON */
1236 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
1237 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
1238 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
1243 call
= drv
->ops
->add_beacon
;
1245 case NL80211_CMD_SET_BEACON
:
1246 call
= drv
->ops
->set_beacon
;
1259 memset(¶ms
, 0, sizeof(params
));
1261 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
1263 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
1267 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
1268 params
.dtim_period
=
1269 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
1273 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
1274 params
.head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
1276 nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
1280 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
1281 params
.tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
1283 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
1292 err
= call(&drv
->wiphy
, dev
, ¶ms
);
1295 cfg80211_put_dev(drv
);
1303 static int nl80211_del_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1305 struct cfg80211_registered_device
*drv
;
1307 struct net_device
*dev
;
1311 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1315 if (!drv
->ops
->del_beacon
) {
1320 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
) {
1324 err
= drv
->ops
->del_beacon(&drv
->wiphy
, dev
);
1327 cfg80211_put_dev(drv
);
1335 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
1336 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
1337 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
1338 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
1339 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
1342 static int parse_station_flags(struct genl_info
*info
,
1343 struct station_parameters
*params
)
1345 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
1350 * Try parsing the new attribute first so userspace
1351 * can specify both for older kernels.
1353 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
1355 struct nl80211_sta_flag_update
*sta_flags
;
1357 sta_flags
= nla_data(nla
);
1358 params
->sta_flags_mask
= sta_flags
->mask
;
1359 params
->sta_flags_set
= sta_flags
->set
;
1360 if ((params
->sta_flags_mask
|
1361 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
1366 /* if present, parse the old attribute */
1368 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
1372 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
1373 nla
, sta_flags_policy
))
1376 params
->sta_flags_mask
= (1 << __NL80211_STA_FLAG_AFTER_LAST
) - 1;
1377 params
->sta_flags_mask
&= ~1;
1379 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++)
1381 params
->sta_flags_set
|= (1<<flag
);
1386 static u16
nl80211_calculate_bitrate(struct rate_info
*rate
)
1388 int modulation
, streams
, bitrate
;
1390 if (!(rate
->flags
& RATE_INFO_FLAGS_MCS
))
1391 return rate
->legacy
;
1393 /* the formula below does only work for MCS values smaller than 32 */
1394 if (rate
->mcs
>= 32)
1397 modulation
= rate
->mcs
& 7;
1398 streams
= (rate
->mcs
>> 3) + 1;
1400 bitrate
= (rate
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
) ?
1404 bitrate
*= (modulation
+ 1);
1405 else if (modulation
== 4)
1406 bitrate
*= (modulation
+ 2);
1408 bitrate
*= (modulation
+ 3);
1412 if (rate
->flags
& RATE_INFO_FLAGS_SHORT_GI
)
1413 bitrate
= (bitrate
/ 9) * 10;
1415 /* do NOT round down here */
1416 return (bitrate
+ 50000) / 100000;
1419 static int nl80211_send_station(struct sk_buff
*msg
, u32 pid
, u32 seq
,
1420 int flags
, struct net_device
*dev
,
1421 u8
*mac_addr
, struct station_info
*sinfo
)
1424 struct nlattr
*sinfoattr
, *txrate
;
1427 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
1431 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1432 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
1434 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
1436 goto nla_put_failure
;
1437 if (sinfo
->filled
& STATION_INFO_INACTIVE_TIME
)
1438 NLA_PUT_U32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
1439 sinfo
->inactive_time
);
1440 if (sinfo
->filled
& STATION_INFO_RX_BYTES
)
1441 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_BYTES
,
1443 if (sinfo
->filled
& STATION_INFO_TX_BYTES
)
1444 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_BYTES
,
1446 if (sinfo
->filled
& STATION_INFO_LLID
)
1447 NLA_PUT_U16(msg
, NL80211_STA_INFO_LLID
,
1449 if (sinfo
->filled
& STATION_INFO_PLID
)
1450 NLA_PUT_U16(msg
, NL80211_STA_INFO_PLID
,
1452 if (sinfo
->filled
& STATION_INFO_PLINK_STATE
)
1453 NLA_PUT_U8(msg
, NL80211_STA_INFO_PLINK_STATE
,
1454 sinfo
->plink_state
);
1455 if (sinfo
->filled
& STATION_INFO_SIGNAL
)
1456 NLA_PUT_U8(msg
, NL80211_STA_INFO_SIGNAL
,
1458 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
1459 txrate
= nla_nest_start(msg
, NL80211_STA_INFO_TX_BITRATE
);
1461 goto nla_put_failure
;
1463 /* nl80211_calculate_bitrate will return 0 for mcs >= 32 */
1464 bitrate
= nl80211_calculate_bitrate(&sinfo
->txrate
);
1466 NLA_PUT_U16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate
);
1468 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_MCS
)
1469 NLA_PUT_U8(msg
, NL80211_RATE_INFO_MCS
,
1471 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
)
1472 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
);
1473 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_SHORT_GI
)
1474 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_SHORT_GI
);
1476 nla_nest_end(msg
, txrate
);
1478 if (sinfo
->filled
& STATION_INFO_RX_PACKETS
)
1479 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_PACKETS
,
1481 if (sinfo
->filled
& STATION_INFO_TX_PACKETS
)
1482 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_PACKETS
,
1484 nla_nest_end(msg
, sinfoattr
);
1486 return genlmsg_end(msg
, hdr
);
1489 genlmsg_cancel(msg
, hdr
);
1493 static int nl80211_dump_station(struct sk_buff
*skb
,
1494 struct netlink_callback
*cb
)
1496 struct station_info sinfo
;
1497 struct cfg80211_registered_device
*dev
;
1498 struct net_device
*netdev
;
1499 u8 mac_addr
[ETH_ALEN
];
1500 int ifidx
= cb
->args
[0];
1501 int sta_idx
= cb
->args
[1];
1505 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1506 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
1511 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
1514 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
1521 netdev
= __dev_get_by_index(&init_net
, ifidx
);
1527 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
1533 if (!dev
->ops
->dump_station
) {
1539 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
1546 if (nl80211_send_station(skb
,
1547 NETLINK_CB(cb
->skb
).pid
,
1548 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1558 cb
->args
[1] = sta_idx
;
1561 cfg80211_put_dev(dev
);
1568 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
1570 struct cfg80211_registered_device
*drv
;
1572 struct net_device
*dev
;
1573 struct station_info sinfo
;
1574 struct sk_buff
*msg
;
1575 u8
*mac_addr
= NULL
;
1577 memset(&sinfo
, 0, sizeof(sinfo
));
1579 if (!info
->attrs
[NL80211_ATTR_MAC
])
1582 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1586 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1590 if (!drv
->ops
->get_station
) {
1595 err
= drv
->ops
->get_station(&drv
->wiphy
, dev
, mac_addr
, &sinfo
);
1599 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1603 if (nl80211_send_station(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1604 dev
, mac_addr
, &sinfo
) < 0)
1607 err
= genlmsg_unicast(msg
, info
->snd_pid
);
1613 cfg80211_put_dev(drv
);
1622 * Get vlan interface making sure it is on the right wiphy.
1624 static int get_vlan(struct nlattr
*vlanattr
,
1625 struct cfg80211_registered_device
*rdev
,
1626 struct net_device
**vlan
)
1631 *vlan
= dev_get_by_index(&init_net
, nla_get_u32(vlanattr
));
1634 if (!(*vlan
)->ieee80211_ptr
)
1636 if ((*vlan
)->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
)
1642 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
1644 struct cfg80211_registered_device
*drv
;
1646 struct net_device
*dev
;
1647 struct station_parameters params
;
1648 u8
*mac_addr
= NULL
;
1650 memset(¶ms
, 0, sizeof(params
));
1652 params
.listen_interval
= -1;
1654 if (info
->attrs
[NL80211_ATTR_STA_AID
])
1657 if (!info
->attrs
[NL80211_ATTR_MAC
])
1660 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1662 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
1663 params
.supported_rates
=
1664 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1665 params
.supported_rates_len
=
1666 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1669 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
1670 params
.listen_interval
=
1671 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
1673 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
1675 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
1677 if (parse_station_flags(info
, ¶ms
))
1680 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
1681 params
.plink_action
=
1682 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
1686 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1690 err
= get_vlan(info
->attrs
[NL80211_ATTR_STA_VLAN
], drv
, ¶ms
.vlan
);
1694 /* validate settings */
1697 switch (dev
->ieee80211_ptr
->iftype
) {
1698 case NL80211_IFTYPE_AP
:
1699 case NL80211_IFTYPE_AP_VLAN
:
1700 /* disallow mesh-specific things */
1701 if (params
.plink_action
)
1704 case NL80211_IFTYPE_STATION
:
1705 /* disallow everything but AUTHORIZED flag */
1706 if (params
.plink_action
)
1710 if (params
.supported_rates
)
1714 if (params
.listen_interval
>= 0)
1716 if (params
.sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
1719 case NL80211_IFTYPE_MESH_POINT
:
1720 /* disallow things mesh doesn't support */
1725 if (params
.listen_interval
>= 0)
1727 if (params
.supported_rates
)
1729 if (params
.sta_flags_mask
)
1739 if (!drv
->ops
->change_station
) {
1744 err
= drv
->ops
->change_station(&drv
->wiphy
, dev
, mac_addr
, ¶ms
);
1748 dev_put(params
.vlan
);
1749 cfg80211_put_dev(drv
);
1757 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
1759 struct cfg80211_registered_device
*drv
;
1761 struct net_device
*dev
;
1762 struct station_parameters params
;
1763 u8
*mac_addr
= NULL
;
1765 memset(¶ms
, 0, sizeof(params
));
1767 if (!info
->attrs
[NL80211_ATTR_MAC
])
1770 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
1773 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
1776 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1777 params
.supported_rates
=
1778 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1779 params
.supported_rates_len
=
1780 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1781 params
.listen_interval
=
1782 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
1784 if (info
->attrs
[NL80211_ATTR_STA_AID
]) {
1785 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
1786 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
1790 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
1792 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
1794 if (parse_station_flags(info
, ¶ms
))
1799 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1803 err
= get_vlan(info
->attrs
[NL80211_ATTR_STA_VLAN
], drv
, ¶ms
.vlan
);
1807 /* validate settings */
1810 switch (dev
->ieee80211_ptr
->iftype
) {
1811 case NL80211_IFTYPE_AP
:
1812 case NL80211_IFTYPE_AP_VLAN
:
1813 /* all ok but must have AID */
1817 case NL80211_IFTYPE_MESH_POINT
:
1818 /* disallow things mesh doesn't support */
1825 if (params
.listen_interval
>= 0)
1827 if (params
.supported_rates
)
1829 if (params
.sta_flags_mask
)
1839 if (!drv
->ops
->add_station
) {
1844 if (!netif_running(dev
)) {
1849 err
= drv
->ops
->add_station(&drv
->wiphy
, dev
, mac_addr
, ¶ms
);
1853 dev_put(params
.vlan
);
1854 cfg80211_put_dev(drv
);
1862 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
1864 struct cfg80211_registered_device
*drv
;
1866 struct net_device
*dev
;
1867 u8
*mac_addr
= NULL
;
1869 if (info
->attrs
[NL80211_ATTR_MAC
])
1870 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1874 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1878 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1879 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
1880 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
1885 if (!drv
->ops
->del_station
) {
1890 err
= drv
->ops
->del_station(&drv
->wiphy
, dev
, mac_addr
);
1893 cfg80211_put_dev(drv
);
1901 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 pid
, u32 seq
,
1902 int flags
, struct net_device
*dev
,
1903 u8
*dst
, u8
*next_hop
,
1904 struct mpath_info
*pinfo
)
1907 struct nlattr
*pinfoattr
;
1909 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
1913 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1914 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
);
1915 NLA_PUT(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
);
1917 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
1919 goto nla_put_failure
;
1920 if (pinfo
->filled
& MPATH_INFO_FRAME_QLEN
)
1921 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
1923 if (pinfo
->filled
& MPATH_INFO_DSN
)
1924 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DSN
,
1926 if (pinfo
->filled
& MPATH_INFO_METRIC
)
1927 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_METRIC
,
1929 if (pinfo
->filled
& MPATH_INFO_EXPTIME
)
1930 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_EXPTIME
,
1932 if (pinfo
->filled
& MPATH_INFO_FLAGS
)
1933 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_FLAGS
,
1935 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
)
1936 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
1937 pinfo
->discovery_timeout
);
1938 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
)
1939 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
1940 pinfo
->discovery_retries
);
1942 nla_nest_end(msg
, pinfoattr
);
1944 return genlmsg_end(msg
, hdr
);
1947 genlmsg_cancel(msg
, hdr
);
1951 static int nl80211_dump_mpath(struct sk_buff
*skb
,
1952 struct netlink_callback
*cb
)
1954 struct mpath_info pinfo
;
1955 struct cfg80211_registered_device
*dev
;
1956 struct net_device
*netdev
;
1958 u8 next_hop
[ETH_ALEN
];
1959 int ifidx
= cb
->args
[0];
1960 int path_idx
= cb
->args
[1];
1964 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1965 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
1970 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
1973 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
1980 netdev
= __dev_get_by_index(&init_net
, ifidx
);
1986 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
1992 if (!dev
->ops
->dump_mpath
) {
1997 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
2003 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
2004 dst
, next_hop
, &pinfo
);
2010 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).pid
,
2011 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2012 netdev
, dst
, next_hop
,
2021 cb
->args
[1] = path_idx
;
2024 cfg80211_put_dev(dev
);
2031 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2033 struct cfg80211_registered_device
*drv
;
2035 struct net_device
*dev
;
2036 struct mpath_info pinfo
;
2037 struct sk_buff
*msg
;
2039 u8 next_hop
[ETH_ALEN
];
2041 memset(&pinfo
, 0, sizeof(pinfo
));
2043 if (!info
->attrs
[NL80211_ATTR_MAC
])
2046 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2050 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2054 if (!drv
->ops
->get_mpath
) {
2059 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
2064 err
= drv
->ops
->get_mpath(&drv
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
2068 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2072 if (nl80211_send_mpath(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2073 dev
, dst
, next_hop
, &pinfo
) < 0)
2076 err
= genlmsg_unicast(msg
, info
->snd_pid
);
2082 cfg80211_put_dev(drv
);
2090 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2092 struct cfg80211_registered_device
*drv
;
2094 struct net_device
*dev
;
2096 u8
*next_hop
= NULL
;
2098 if (!info
->attrs
[NL80211_ATTR_MAC
])
2101 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
2104 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2105 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
2109 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2113 if (!drv
->ops
->change_mpath
) {
2118 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
2123 if (!netif_running(dev
)) {
2128 err
= drv
->ops
->change_mpath(&drv
->wiphy
, dev
, dst
, next_hop
);
2131 cfg80211_put_dev(drv
);
2138 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2140 struct cfg80211_registered_device
*drv
;
2142 struct net_device
*dev
;
2144 u8
*next_hop
= NULL
;
2146 if (!info
->attrs
[NL80211_ATTR_MAC
])
2149 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
2152 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2153 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
2157 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2161 if (!drv
->ops
->add_mpath
) {
2166 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
2171 if (!netif_running(dev
)) {
2176 err
= drv
->ops
->add_mpath(&drv
->wiphy
, dev
, dst
, next_hop
);
2179 cfg80211_put_dev(drv
);
2187 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2189 struct cfg80211_registered_device
*drv
;
2191 struct net_device
*dev
;
2194 if (info
->attrs
[NL80211_ATTR_MAC
])
2195 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2199 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2203 if (!drv
->ops
->del_mpath
) {
2208 err
= drv
->ops
->del_mpath(&drv
->wiphy
, dev
, dst
);
2211 cfg80211_put_dev(drv
);
2219 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
2221 struct cfg80211_registered_device
*drv
;
2223 struct net_device
*dev
;
2224 struct bss_parameters params
;
2226 memset(¶ms
, 0, sizeof(params
));
2227 /* default to not changing parameters */
2228 params
.use_cts_prot
= -1;
2229 params
.use_short_preamble
= -1;
2230 params
.use_short_slot_time
= -1;
2232 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
2233 params
.use_cts_prot
=
2234 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
2235 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
2236 params
.use_short_preamble
=
2237 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
2238 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
2239 params
.use_short_slot_time
=
2240 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
2241 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
2242 params
.basic_rates
=
2243 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2244 params
.basic_rates_len
=
2245 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2250 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2254 if (!drv
->ops
->change_bss
) {
2259 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
) {
2264 err
= drv
->ops
->change_bss(&drv
->wiphy
, dev
, ¶ms
);
2267 cfg80211_put_dev(drv
);
2275 static const struct nla_policy
2276 reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
2277 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
2278 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
2279 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
2280 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
2281 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
2282 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
2285 static int parse_reg_rule(struct nlattr
*tb
[],
2286 struct ieee80211_reg_rule
*reg_rule
)
2288 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
2289 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
2291 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
2293 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
2295 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
2297 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
2299 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
2302 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
2304 freq_range
->start_freq_khz
=
2305 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
2306 freq_range
->end_freq_khz
=
2307 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
2308 freq_range
->max_bandwidth_khz
=
2309 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
2311 power_rule
->max_eirp
=
2312 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
2314 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
2315 power_rule
->max_antenna_gain
=
2316 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
2321 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2327 * You should only get this when cfg80211 hasn't yet initialized
2328 * completely when built-in to the kernel right between the time
2329 * window between nl80211_init() and regulatory_init(), if that is
2332 mutex_lock(&cfg80211_mutex
);
2333 if (unlikely(!cfg80211_regdomain
)) {
2334 mutex_unlock(&cfg80211_mutex
);
2335 return -EINPROGRESS
;
2337 mutex_unlock(&cfg80211_mutex
);
2339 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
2342 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
2344 #ifdef CONFIG_WIRELESS_OLD_REGULATORY
2345 /* We ignore world regdom requests with the old regdom setup */
2346 if (is_world_regdom(data
))
2350 r
= regulatory_hint_user(data
);
2355 static int nl80211_get_mesh_params(struct sk_buff
*skb
,
2356 struct genl_info
*info
)
2358 struct cfg80211_registered_device
*drv
;
2359 struct mesh_config cur_params
;
2361 struct net_device
*dev
;
2363 struct nlattr
*pinfoattr
;
2364 struct sk_buff
*msg
;
2368 /* Look up our device */
2369 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2373 if (!drv
->ops
->get_mesh_params
) {
2378 /* Get the mesh params */
2379 err
= drv
->ops
->get_mesh_params(&drv
->wiphy
, dev
, &cur_params
);
2383 /* Draw up a netlink message to send back */
2384 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2389 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2390 NL80211_CMD_GET_MESH_PARAMS
);
2392 goto nla_put_failure
;
2393 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_PARAMS
);
2395 goto nla_put_failure
;
2396 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2397 NLA_PUT_U16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
2398 cur_params
.dot11MeshRetryTimeout
);
2399 NLA_PUT_U16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
2400 cur_params
.dot11MeshConfirmTimeout
);
2401 NLA_PUT_U16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
2402 cur_params
.dot11MeshHoldingTimeout
);
2403 NLA_PUT_U16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
2404 cur_params
.dot11MeshMaxPeerLinks
);
2405 NLA_PUT_U8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
2406 cur_params
.dot11MeshMaxRetries
);
2407 NLA_PUT_U8(msg
, NL80211_MESHCONF_TTL
,
2408 cur_params
.dot11MeshTTL
);
2409 NLA_PUT_U8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
2410 cur_params
.auto_open_plinks
);
2411 NLA_PUT_U8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2412 cur_params
.dot11MeshHWMPmaxPREQretries
);
2413 NLA_PUT_U32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
2414 cur_params
.path_refresh_time
);
2415 NLA_PUT_U16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2416 cur_params
.min_discovery_timeout
);
2417 NLA_PUT_U32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2418 cur_params
.dot11MeshHWMPactivePathTimeout
);
2419 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2420 cur_params
.dot11MeshHWMPpreqMinInterval
);
2421 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2422 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
);
2423 nla_nest_end(msg
, pinfoattr
);
2424 genlmsg_end(msg
, hdr
);
2425 err
= genlmsg_unicast(msg
, info
->snd_pid
);
2429 genlmsg_cancel(msg
, hdr
);
2433 cfg80211_put_dev(drv
);
2441 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
2443 if (table[attr_num]) {\
2444 cfg.param = nla_fn(table[attr_num]); \
2445 mask |= (1 << (attr_num - 1)); \
2449 static struct nla_policy
2450 nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] __read_mostly
= {
2451 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
2452 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
2453 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
2454 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
2455 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
2456 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
2457 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
2459 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
2460 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
2461 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
2462 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
2463 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
2464 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
2467 static int nl80211_set_mesh_params(struct sk_buff
*skb
, struct genl_info
*info
)
2471 struct cfg80211_registered_device
*drv
;
2472 struct net_device
*dev
;
2473 struct mesh_config cfg
;
2474 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
2475 struct nlattr
*parent_attr
;
2477 parent_attr
= info
->attrs
[NL80211_ATTR_MESH_PARAMS
];
2480 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
2481 parent_attr
, nl80211_meshconf_params_policy
))
2486 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2490 if (!drv
->ops
->set_mesh_params
) {
2495 /* This makes sure that there aren't more than 32 mesh config
2496 * parameters (otherwise our bitfield scheme would not work.) */
2497 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
2499 /* Fill in the params struct */
2501 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
2502 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
, nla_get_u16
);
2503 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
2504 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
, nla_get_u16
);
2505 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
2506 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
, nla_get_u16
);
2507 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
2508 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
, nla_get_u16
);
2509 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
2510 mask
, NL80211_MESHCONF_MAX_RETRIES
, nla_get_u8
);
2511 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
2512 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
2513 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
2514 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
, nla_get_u8
);
2515 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
2516 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2518 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
2519 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
, nla_get_u32
);
2520 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
2521 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2523 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
2524 mask
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2526 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
2527 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2529 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
2530 dot11MeshHWMPnetDiameterTraversalTime
,
2531 mask
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2535 err
= drv
->ops
->set_mesh_params(&drv
->wiphy
, dev
, &cfg
, mask
);
2539 cfg80211_put_dev(drv
);
2547 #undef FILL_IN_MESH_PARAM_IF_SET
2549 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2551 struct sk_buff
*msg
;
2553 struct nlattr
*nl_reg_rules
;
2557 mutex_lock(&cfg80211_mutex
);
2559 if (!cfg80211_regdomain
)
2562 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2568 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2569 NL80211_CMD_GET_REG
);
2571 goto nla_put_failure
;
2573 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
,
2574 cfg80211_regdomain
->alpha2
);
2576 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
2578 goto nla_put_failure
;
2580 for (i
= 0; i
< cfg80211_regdomain
->n_reg_rules
; i
++) {
2581 struct nlattr
*nl_reg_rule
;
2582 const struct ieee80211_reg_rule
*reg_rule
;
2583 const struct ieee80211_freq_range
*freq_range
;
2584 const struct ieee80211_power_rule
*power_rule
;
2586 reg_rule
= &cfg80211_regdomain
->reg_rules
[i
];
2587 freq_range
= ®_rule
->freq_range
;
2588 power_rule
= ®_rule
->power_rule
;
2590 nl_reg_rule
= nla_nest_start(msg
, i
);
2592 goto nla_put_failure
;
2594 NLA_PUT_U32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
2596 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
2597 freq_range
->start_freq_khz
);
2598 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
2599 freq_range
->end_freq_khz
);
2600 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
2601 freq_range
->max_bandwidth_khz
);
2602 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
2603 power_rule
->max_antenna_gain
);
2604 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
2605 power_rule
->max_eirp
);
2607 nla_nest_end(msg
, nl_reg_rule
);
2610 nla_nest_end(msg
, nl_reg_rules
);
2612 genlmsg_end(msg
, hdr
);
2613 err
= genlmsg_unicast(msg
, info
->snd_pid
);
2617 genlmsg_cancel(msg
, hdr
);
2620 mutex_unlock(&cfg80211_mutex
);
2624 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2626 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
2627 struct nlattr
*nl_reg_rule
;
2628 char *alpha2
= NULL
;
2629 int rem_reg_rules
= 0, r
= 0;
2630 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
2631 struct ieee80211_regdomain
*rd
= NULL
;
2633 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
2636 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
2639 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
2641 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
2644 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
2648 mutex_lock(&cfg80211_mutex
);
2650 if (!reg_is_valid_request(alpha2
)) {
2655 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
2656 (num_rules
* sizeof(struct ieee80211_reg_rule
));
2658 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
2664 rd
->n_reg_rules
= num_rules
;
2665 rd
->alpha2
[0] = alpha2
[0];
2666 rd
->alpha2
[1] = alpha2
[1];
2668 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
2670 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
2671 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
2673 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
2679 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
2685 BUG_ON(rule_idx
!= num_rules
);
2689 mutex_unlock(&cfg80211_mutex
);
2694 mutex_unlock(&cfg80211_mutex
);
2699 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
2701 struct cfg80211_registered_device
*drv
;
2702 struct net_device
*dev
;
2703 struct cfg80211_scan_request
*request
;
2704 struct cfg80211_ssid
*ssid
;
2705 struct ieee80211_channel
*channel
;
2706 struct nlattr
*attr
;
2707 struct wiphy
*wiphy
;
2708 int err
, tmp
, n_ssids
= 0, n_channels
= 0, i
;
2709 enum ieee80211_band band
;
2712 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
2717 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2721 wiphy
= &drv
->wiphy
;
2723 if (!drv
->ops
->scan
) {
2728 if (!netif_running(dev
)) {
2733 if (drv
->scan_req
) {
2738 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
2739 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
)
2746 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
2747 if (wiphy
->bands
[band
])
2748 n_channels
+= wiphy
->bands
[band
]->n_channels
;
2751 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
2752 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
2755 if (n_ssids
> wiphy
->max_scan_ssids
) {
2760 if (info
->attrs
[NL80211_ATTR_IE
])
2761 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2765 if (ie_len
> wiphy
->max_scan_ie_len
) {
2770 request
= kzalloc(sizeof(*request
)
2771 + sizeof(*ssid
) * n_ssids
2772 + sizeof(channel
) * n_channels
2773 + ie_len
, GFP_KERNEL
);
2779 request
->channels
= (void *)((char *)request
+ sizeof(*request
));
2780 request
->n_channels
= n_channels
;
2782 request
->ssids
= (void *)(request
->channels
+ n_channels
);
2783 request
->n_ssids
= n_ssids
;
2786 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
2788 request
->ie
= (void *)(request
->channels
+ n_channels
);
2791 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
2792 /* user specified, bail out if channel not found */
2793 request
->n_channels
= n_channels
;
2795 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
2796 request
->channels
[i
] = ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
2797 if (!request
->channels
[i
]) {
2806 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
2808 if (!wiphy
->bands
[band
])
2810 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
2811 request
->channels
[i
] = &wiphy
->bands
[band
]->channels
[j
];
2818 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
2819 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
2820 if (request
->ssids
[i
].ssid_len
> IEEE80211_MAX_SSID_LEN
) {
2824 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
2825 request
->ssids
[i
].ssid_len
= nla_len(attr
);
2830 if (info
->attrs
[NL80211_ATTR_IE
]) {
2831 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2832 memcpy((void *)request
->ie
,
2833 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
2837 request
->ifidx
= dev
->ifindex
;
2838 request
->wiphy
= &drv
->wiphy
;
2840 drv
->scan_req
= request
;
2841 err
= drv
->ops
->scan(&drv
->wiphy
, dev
, request
);
2845 drv
->scan_req
= NULL
;
2849 cfg80211_put_dev(drv
);
2857 static int nl80211_send_bss(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
2858 struct cfg80211_registered_device
*rdev
,
2859 struct net_device
*dev
,
2860 struct cfg80211_bss
*res
)
2865 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
2866 NL80211_CMD_NEW_SCAN_RESULTS
);
2870 NLA_PUT_U32(msg
, NL80211_ATTR_SCAN_GENERATION
,
2871 rdev
->bss_generation
);
2872 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2874 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
2876 goto nla_put_failure
;
2877 if (!is_zero_ether_addr(res
->bssid
))
2878 NLA_PUT(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
);
2879 if (res
->information_elements
&& res
->len_information_elements
)
2880 NLA_PUT(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
2881 res
->len_information_elements
,
2882 res
->information_elements
);
2884 NLA_PUT_U64(msg
, NL80211_BSS_TSF
, res
->tsf
);
2885 if (res
->beacon_interval
)
2886 NLA_PUT_U16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
);
2887 NLA_PUT_U16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
);
2888 NLA_PUT_U32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
);
2890 switch (rdev
->wiphy
.signal_type
) {
2891 case CFG80211_SIGNAL_TYPE_MBM
:
2892 NLA_PUT_U32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
);
2894 case CFG80211_SIGNAL_TYPE_UNSPEC
:
2895 NLA_PUT_U8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
);
2901 nla_nest_end(msg
, bss
);
2903 return genlmsg_end(msg
, hdr
);
2906 genlmsg_cancel(msg
, hdr
);
2910 static int nl80211_dump_scan(struct sk_buff
*skb
,
2911 struct netlink_callback
*cb
)
2913 struct cfg80211_registered_device
*dev
;
2914 struct net_device
*netdev
;
2915 struct cfg80211_internal_bss
*scan
;
2916 int ifidx
= cb
->args
[0];
2917 int start
= cb
->args
[1], idx
= 0;
2921 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
2922 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
2927 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
2930 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
2933 cb
->args
[0] = ifidx
;
2936 netdev
= dev_get_by_index(&init_net
, ifidx
);
2940 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
2943 goto out_put_netdev
;
2946 spin_lock_bh(&dev
->bss_lock
);
2947 cfg80211_bss_expire(dev
);
2949 list_for_each_entry(scan
, &dev
->bss_list
, list
) {
2952 if (nl80211_send_bss(skb
,
2953 NETLINK_CB(cb
->skb
).pid
,
2954 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2955 dev
, netdev
, &scan
->pub
) < 0) {
2962 spin_unlock_bh(&dev
->bss_lock
);
2966 cfg80211_put_dev(dev
);
2973 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
)
2975 return auth_type
== NL80211_AUTHTYPE_OPEN_SYSTEM
||
2976 auth_type
== NL80211_AUTHTYPE_SHARED_KEY
||
2977 auth_type
== NL80211_AUTHTYPE_FT
||
2978 auth_type
== NL80211_AUTHTYPE_NETWORK_EAP
;
2981 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
2983 struct cfg80211_registered_device
*drv
;
2984 struct net_device
*dev
;
2985 struct cfg80211_auth_request req
;
2986 struct wiphy
*wiphy
;
2989 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
2992 if (!info
->attrs
[NL80211_ATTR_MAC
])
2995 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
3000 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
3004 if (!drv
->ops
->auth
) {
3009 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
3014 if (!netif_running(dev
)) {
3019 wiphy
= &drv
->wiphy
;
3020 memset(&req
, 0, sizeof(req
));
3022 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3024 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3025 req
.chan
= ieee80211_get_channel(
3027 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3034 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3035 req
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3036 req
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3039 if (info
->attrs
[NL80211_ATTR_IE
]) {
3040 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3041 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3044 req
.auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3045 if (!nl80211_valid_auth_type(req
.auth_type
)) {
3050 err
= drv
->ops
->auth(&drv
->wiphy
, dev
, &req
);
3053 cfg80211_put_dev(drv
);
3060 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
3062 struct cfg80211_registered_device
*drv
;
3063 struct net_device
*dev
;
3064 struct cfg80211_assoc_request req
;
3065 struct wiphy
*wiphy
;
3068 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3071 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
3072 !info
->attrs
[NL80211_ATTR_SSID
])
3077 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
3081 if (!drv
->ops
->assoc
) {
3086 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
3091 if (!netif_running(dev
)) {
3096 wiphy
= &drv
->wiphy
;
3097 memset(&req
, 0, sizeof(req
));
3099 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3101 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3102 req
.chan
= ieee80211_get_channel(
3104 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3111 req
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3112 req
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3114 if (info
->attrs
[NL80211_ATTR_IE
]) {
3115 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3116 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3119 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
3120 enum nl80211_mfp use_mfp
=
3121 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
3122 if (use_mfp
== NL80211_MFP_REQUIRED
)
3124 else if (use_mfp
!= NL80211_MFP_NO
) {
3130 req
.control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
3132 err
= drv
->ops
->assoc(&drv
->wiphy
, dev
, &req
);
3135 cfg80211_put_dev(drv
);
3142 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
3144 struct cfg80211_registered_device
*drv
;
3145 struct net_device
*dev
;
3146 struct cfg80211_deauth_request req
;
3147 struct wiphy
*wiphy
;
3150 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3153 if (!info
->attrs
[NL80211_ATTR_MAC
])
3156 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
3161 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
3165 if (!drv
->ops
->deauth
) {
3170 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
3175 if (!netif_running(dev
)) {
3180 wiphy
= &drv
->wiphy
;
3181 memset(&req
, 0, sizeof(req
));
3183 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3185 req
.reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
3186 if (req
.reason_code
== 0) {
3187 /* Reason Code 0 is reserved */
3192 if (info
->attrs
[NL80211_ATTR_IE
]) {
3193 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3194 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3197 err
= drv
->ops
->deauth(&drv
->wiphy
, dev
, &req
);
3200 cfg80211_put_dev(drv
);
3207 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
3209 struct cfg80211_registered_device
*drv
;
3210 struct net_device
*dev
;
3211 struct cfg80211_disassoc_request req
;
3212 struct wiphy
*wiphy
;
3215 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3218 if (!info
->attrs
[NL80211_ATTR_MAC
])
3221 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
3226 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
3230 if (!drv
->ops
->disassoc
) {
3235 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
3240 if (!netif_running(dev
)) {
3245 wiphy
= &drv
->wiphy
;
3246 memset(&req
, 0, sizeof(req
));
3248 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3250 req
.reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
3251 if (req
.reason_code
== 0) {
3252 /* Reason Code 0 is reserved */
3257 if (info
->attrs
[NL80211_ATTR_IE
]) {
3258 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3259 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3262 err
= drv
->ops
->disassoc(&drv
->wiphy
, dev
, &req
);
3265 cfg80211_put_dev(drv
);
3272 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
3274 struct cfg80211_registered_device
*drv
;
3275 struct net_device
*dev
;
3276 struct cfg80211_ibss_params ibss
;
3277 struct wiphy
*wiphy
;
3280 memset(&ibss
, 0, sizeof(ibss
));
3282 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3285 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
3286 !info
->attrs
[NL80211_ATTR_SSID
] ||
3287 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
3290 ibss
.beacon_interval
= 100;
3292 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
3293 ibss
.beacon_interval
=
3294 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3295 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
3301 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
3305 if (!drv
->ops
->join_ibss
) {
3310 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
) {
3315 if (!netif_running(dev
)) {
3320 wiphy
= &drv
->wiphy
;
3322 if (info
->attrs
[NL80211_ATTR_MAC
])
3323 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3324 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3325 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3327 if (info
->attrs
[NL80211_ATTR_IE
]) {
3328 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3329 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3332 ibss
.channel
= ieee80211_get_channel(wiphy
,
3333 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3334 if (!ibss
.channel
||
3335 ibss
.channel
->flags
& IEEE80211_CHAN_NO_IBSS
||
3336 ibss
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
3341 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
3343 err
= cfg80211_join_ibss(drv
, dev
, &ibss
);
3346 cfg80211_put_dev(drv
);
3353 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
3355 struct cfg80211_registered_device
*drv
;
3356 struct net_device
*dev
;
3361 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
3365 if (!drv
->ops
->leave_ibss
) {
3370 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
) {
3375 if (!netif_running(dev
)) {
3380 err
= cfg80211_leave_ibss(drv
, dev
, false);
3383 cfg80211_put_dev(drv
);
3390 static struct genl_ops nl80211_ops
[] = {
3392 .cmd
= NL80211_CMD_GET_WIPHY
,
3393 .doit
= nl80211_get_wiphy
,
3394 .dumpit
= nl80211_dump_wiphy
,
3395 .policy
= nl80211_policy
,
3396 /* can be retrieved by unprivileged users */
3399 .cmd
= NL80211_CMD_SET_WIPHY
,
3400 .doit
= nl80211_set_wiphy
,
3401 .policy
= nl80211_policy
,
3402 .flags
= GENL_ADMIN_PERM
,
3405 .cmd
= NL80211_CMD_GET_INTERFACE
,
3406 .doit
= nl80211_get_interface
,
3407 .dumpit
= nl80211_dump_interface
,
3408 .policy
= nl80211_policy
,
3409 /* can be retrieved by unprivileged users */
3412 .cmd
= NL80211_CMD_SET_INTERFACE
,
3413 .doit
= nl80211_set_interface
,
3414 .policy
= nl80211_policy
,
3415 .flags
= GENL_ADMIN_PERM
,
3418 .cmd
= NL80211_CMD_NEW_INTERFACE
,
3419 .doit
= nl80211_new_interface
,
3420 .policy
= nl80211_policy
,
3421 .flags
= GENL_ADMIN_PERM
,
3424 .cmd
= NL80211_CMD_DEL_INTERFACE
,
3425 .doit
= nl80211_del_interface
,
3426 .policy
= nl80211_policy
,
3427 .flags
= GENL_ADMIN_PERM
,
3430 .cmd
= NL80211_CMD_GET_KEY
,
3431 .doit
= nl80211_get_key
,
3432 .policy
= nl80211_policy
,
3433 .flags
= GENL_ADMIN_PERM
,
3436 .cmd
= NL80211_CMD_SET_KEY
,
3437 .doit
= nl80211_set_key
,
3438 .policy
= nl80211_policy
,
3439 .flags
= GENL_ADMIN_PERM
,
3442 .cmd
= NL80211_CMD_NEW_KEY
,
3443 .doit
= nl80211_new_key
,
3444 .policy
= nl80211_policy
,
3445 .flags
= GENL_ADMIN_PERM
,
3448 .cmd
= NL80211_CMD_DEL_KEY
,
3449 .doit
= nl80211_del_key
,
3450 .policy
= nl80211_policy
,
3451 .flags
= GENL_ADMIN_PERM
,
3454 .cmd
= NL80211_CMD_SET_BEACON
,
3455 .policy
= nl80211_policy
,
3456 .flags
= GENL_ADMIN_PERM
,
3457 .doit
= nl80211_addset_beacon
,
3460 .cmd
= NL80211_CMD_NEW_BEACON
,
3461 .policy
= nl80211_policy
,
3462 .flags
= GENL_ADMIN_PERM
,
3463 .doit
= nl80211_addset_beacon
,
3466 .cmd
= NL80211_CMD_DEL_BEACON
,
3467 .policy
= nl80211_policy
,
3468 .flags
= GENL_ADMIN_PERM
,
3469 .doit
= nl80211_del_beacon
,
3472 .cmd
= NL80211_CMD_GET_STATION
,
3473 .doit
= nl80211_get_station
,
3474 .dumpit
= nl80211_dump_station
,
3475 .policy
= nl80211_policy
,
3478 .cmd
= NL80211_CMD_SET_STATION
,
3479 .doit
= nl80211_set_station
,
3480 .policy
= nl80211_policy
,
3481 .flags
= GENL_ADMIN_PERM
,
3484 .cmd
= NL80211_CMD_NEW_STATION
,
3485 .doit
= nl80211_new_station
,
3486 .policy
= nl80211_policy
,
3487 .flags
= GENL_ADMIN_PERM
,
3490 .cmd
= NL80211_CMD_DEL_STATION
,
3491 .doit
= nl80211_del_station
,
3492 .policy
= nl80211_policy
,
3493 .flags
= GENL_ADMIN_PERM
,
3496 .cmd
= NL80211_CMD_GET_MPATH
,
3497 .doit
= nl80211_get_mpath
,
3498 .dumpit
= nl80211_dump_mpath
,
3499 .policy
= nl80211_policy
,
3500 .flags
= GENL_ADMIN_PERM
,
3503 .cmd
= NL80211_CMD_SET_MPATH
,
3504 .doit
= nl80211_set_mpath
,
3505 .policy
= nl80211_policy
,
3506 .flags
= GENL_ADMIN_PERM
,
3509 .cmd
= NL80211_CMD_NEW_MPATH
,
3510 .doit
= nl80211_new_mpath
,
3511 .policy
= nl80211_policy
,
3512 .flags
= GENL_ADMIN_PERM
,
3515 .cmd
= NL80211_CMD_DEL_MPATH
,
3516 .doit
= nl80211_del_mpath
,
3517 .policy
= nl80211_policy
,
3518 .flags
= GENL_ADMIN_PERM
,
3521 .cmd
= NL80211_CMD_SET_BSS
,
3522 .doit
= nl80211_set_bss
,
3523 .policy
= nl80211_policy
,
3524 .flags
= GENL_ADMIN_PERM
,
3527 .cmd
= NL80211_CMD_GET_REG
,
3528 .doit
= nl80211_get_reg
,
3529 .policy
= nl80211_policy
,
3530 /* can be retrieved by unprivileged users */
3533 .cmd
= NL80211_CMD_SET_REG
,
3534 .doit
= nl80211_set_reg
,
3535 .policy
= nl80211_policy
,
3536 .flags
= GENL_ADMIN_PERM
,
3539 .cmd
= NL80211_CMD_REQ_SET_REG
,
3540 .doit
= nl80211_req_set_reg
,
3541 .policy
= nl80211_policy
,
3542 .flags
= GENL_ADMIN_PERM
,
3545 .cmd
= NL80211_CMD_GET_MESH_PARAMS
,
3546 .doit
= nl80211_get_mesh_params
,
3547 .policy
= nl80211_policy
,
3548 /* can be retrieved by unprivileged users */
3551 .cmd
= NL80211_CMD_SET_MESH_PARAMS
,
3552 .doit
= nl80211_set_mesh_params
,
3553 .policy
= nl80211_policy
,
3554 .flags
= GENL_ADMIN_PERM
,
3557 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
3558 .doit
= nl80211_trigger_scan
,
3559 .policy
= nl80211_policy
,
3560 .flags
= GENL_ADMIN_PERM
,
3563 .cmd
= NL80211_CMD_GET_SCAN
,
3564 .policy
= nl80211_policy
,
3565 .dumpit
= nl80211_dump_scan
,
3568 .cmd
= NL80211_CMD_AUTHENTICATE
,
3569 .doit
= nl80211_authenticate
,
3570 .policy
= nl80211_policy
,
3571 .flags
= GENL_ADMIN_PERM
,
3574 .cmd
= NL80211_CMD_ASSOCIATE
,
3575 .doit
= nl80211_associate
,
3576 .policy
= nl80211_policy
,
3577 .flags
= GENL_ADMIN_PERM
,
3580 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
3581 .doit
= nl80211_deauthenticate
,
3582 .policy
= nl80211_policy
,
3583 .flags
= GENL_ADMIN_PERM
,
3586 .cmd
= NL80211_CMD_DISASSOCIATE
,
3587 .doit
= nl80211_disassociate
,
3588 .policy
= nl80211_policy
,
3589 .flags
= GENL_ADMIN_PERM
,
3592 .cmd
= NL80211_CMD_JOIN_IBSS
,
3593 .doit
= nl80211_join_ibss
,
3594 .policy
= nl80211_policy
,
3595 .flags
= GENL_ADMIN_PERM
,
3598 .cmd
= NL80211_CMD_LEAVE_IBSS
,
3599 .doit
= nl80211_leave_ibss
,
3600 .policy
= nl80211_policy
,
3601 .flags
= GENL_ADMIN_PERM
,
3604 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
3608 /* multicast groups */
3609 static struct genl_multicast_group nl80211_config_mcgrp
= {
3612 static struct genl_multicast_group nl80211_scan_mcgrp
= {
3615 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
3616 .name
= "regulatory",
3619 /* notification functions */
3621 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
3623 struct sk_buff
*msg
;
3625 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3629 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
3634 genlmsg_multicast(msg
, 0, nl80211_config_mcgrp
.id
, GFP_KERNEL
);
3637 static int nl80211_add_scan_req(struct sk_buff
*msg
,
3638 struct cfg80211_registered_device
*rdev
)
3640 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
3641 struct nlattr
*nest
;
3647 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
3649 goto nla_put_failure
;
3650 for (i
= 0; i
< req
->n_ssids
; i
++)
3651 NLA_PUT(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
);
3652 nla_nest_end(msg
, nest
);
3654 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
3656 goto nla_put_failure
;
3657 for (i
= 0; i
< req
->n_channels
; i
++)
3658 NLA_PUT_U32(msg
, i
, req
->channels
[i
]->center_freq
);
3659 nla_nest_end(msg
, nest
);
3662 NLA_PUT(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
);
3669 static int nl80211_send_scan_donemsg(struct sk_buff
*msg
,
3670 struct cfg80211_registered_device
*rdev
,
3671 struct net_device
*netdev
,
3672 u32 pid
, u32 seq
, int flags
,
3677 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
3681 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3682 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3684 /* ignore errors and send incomplete event anyway */
3685 nl80211_add_scan_req(msg
, rdev
);
3687 return genlmsg_end(msg
, hdr
);
3690 genlmsg_cancel(msg
, hdr
);
3694 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
3695 struct net_device
*netdev
)
3697 struct sk_buff
*msg
;
3699 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3703 if (nl80211_send_scan_donemsg(msg
, rdev
, netdev
, 0, 0, 0,
3704 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
3709 genlmsg_multicast(msg
, 0, nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
3712 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
3713 struct net_device
*netdev
)
3715 struct sk_buff
*msg
;
3717 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3721 if (nl80211_send_scan_donemsg(msg
, rdev
, netdev
, 0, 0, 0,
3722 NL80211_CMD_SCAN_ABORTED
) < 0) {
3727 genlmsg_multicast(msg
, 0, nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
3731 * This can happen on global regulatory changes or device specific settings
3732 * based on custom world regulatory domains.
3734 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
3736 struct sk_buff
*msg
;
3739 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3743 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
3749 /* Userspace can always count this one always being set */
3750 NLA_PUT_U8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
);
3752 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0')
3753 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3754 NL80211_REGDOM_TYPE_WORLD
);
3755 else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9')
3756 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3757 NL80211_REGDOM_TYPE_CUSTOM_WORLD
);
3758 else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
3760 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3761 NL80211_REGDOM_TYPE_INTERSECTION
);
3763 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3764 NL80211_REGDOM_TYPE_COUNTRY
);
3765 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
, request
->alpha2
);
3768 if (wiphy_idx_valid(request
->wiphy_idx
))
3769 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
);
3771 if (genlmsg_end(msg
, hdr
) < 0) {
3776 genlmsg_multicast(msg
, 0, nl80211_regulatory_mcgrp
.id
, GFP_KERNEL
);
3781 genlmsg_cancel(msg
, hdr
);
3785 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
3786 struct net_device
*netdev
,
3787 const u8
*buf
, size_t len
,
3788 enum nl80211_commands cmd
)
3790 struct sk_buff
*msg
;
3793 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
3797 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
3803 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3804 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3805 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
3807 if (genlmsg_end(msg
, hdr
) < 0) {
3812 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, GFP_ATOMIC
);
3816 genlmsg_cancel(msg
, hdr
);
3820 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
3821 struct net_device
*netdev
, const u8
*buf
, size_t len
)
3823 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
3824 NL80211_CMD_AUTHENTICATE
);
3827 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
3828 struct net_device
*netdev
, const u8
*buf
,
3831 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
, NL80211_CMD_ASSOCIATE
);
3834 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
3835 struct net_device
*netdev
, const u8
*buf
, size_t len
)
3837 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
3838 NL80211_CMD_DEAUTHENTICATE
);
3841 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
3842 struct net_device
*netdev
, const u8
*buf
,
3845 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
3846 NL80211_CMD_DISASSOCIATE
);
3849 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
3850 struct net_device
*netdev
, int cmd
,
3853 struct sk_buff
*msg
;
3856 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
3860 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
3866 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3867 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3868 NLA_PUT_FLAG(msg
, NL80211_ATTR_TIMED_OUT
);
3869 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
3871 if (genlmsg_end(msg
, hdr
) < 0) {
3876 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, GFP_ATOMIC
);
3880 genlmsg_cancel(msg
, hdr
);
3884 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
3885 struct net_device
*netdev
, const u8
*addr
)
3887 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
3891 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
3892 struct net_device
*netdev
, const u8
*addr
)
3894 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
, addr
);
3897 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
3898 struct net_device
*netdev
, const u8
*bssid
,
3901 struct sk_buff
*msg
;
3904 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
3908 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
3914 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3915 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3916 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
3918 if (genlmsg_end(msg
, hdr
) < 0) {
3923 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, gfp
);
3927 genlmsg_cancel(msg
, hdr
);
3931 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
3932 struct net_device
*netdev
, const u8
*addr
,
3933 enum nl80211_key_type key_type
, int key_id
,
3936 struct sk_buff
*msg
;
3939 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
3943 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
3949 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3950 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3952 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
3953 NLA_PUT_U32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
);
3954 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_id
);
3956 NLA_PUT(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
);
3958 if (genlmsg_end(msg
, hdr
) < 0) {
3963 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, GFP_ATOMIC
);
3967 genlmsg_cancel(msg
, hdr
);
3971 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
3972 struct ieee80211_channel
*channel_before
,
3973 struct ieee80211_channel
*channel_after
)
3975 struct sk_buff
*msg
;
3977 struct nlattr
*nl_freq
;
3979 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
3983 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
3990 * Since we are applying the beacon hint to a wiphy we know its
3991 * wiphy_idx is valid
3993 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
));
3996 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
3998 goto nla_put_failure
;
3999 if (nl80211_msg_put_channel(msg
, channel_before
))
4000 goto nla_put_failure
;
4001 nla_nest_end(msg
, nl_freq
);
4004 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
4006 goto nla_put_failure
;
4007 if (nl80211_msg_put_channel(msg
, channel_after
))
4008 goto nla_put_failure
;
4009 nla_nest_end(msg
, nl_freq
);
4011 if (genlmsg_end(msg
, hdr
) < 0) {
4016 genlmsg_multicast(msg
, 0, nl80211_regulatory_mcgrp
.id
, GFP_ATOMIC
);
4021 genlmsg_cancel(msg
, hdr
);
4025 /* initialisation/exit functions */
4027 int nl80211_init(void)
4031 err
= genl_register_family_with_ops(&nl80211_fam
,
4032 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
4036 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
4040 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
4044 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
4048 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
4054 genl_unregister_family(&nl80211_fam
);
4058 void nl80211_exit(void)
4060 genl_unregister_family(&nl80211_fam
);