2 * Marvell Wireless LAN device driver: CFG80211
4 * Copyright (C) 2011, Marvell International Ltd.
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
24 * This function maps the nl802.11 channel type into driver channel type.
26 * The mapping is as follows -
27 * NL80211_CHAN_NO_HT -> NO_SEC_CHANNEL
28 * NL80211_CHAN_HT20 -> NO_SEC_CHANNEL
29 * NL80211_CHAN_HT40PLUS -> SEC_CHANNEL_ABOVE
30 * NL80211_CHAN_HT40MINUS -> SEC_CHANNEL_BELOW
31 * Others -> NO_SEC_CHANNEL
34 mwifiex_cfg80211_channel_type_to_mwifiex_channels(enum nl80211_channel_type
38 switch (channel_type
) {
39 case NL80211_CHAN_NO_HT
:
40 case NL80211_CHAN_HT20
:
41 channel
= NO_SEC_CHANNEL
;
43 case NL80211_CHAN_HT40PLUS
:
44 channel
= SEC_CHANNEL_ABOVE
;
46 case NL80211_CHAN_HT40MINUS
:
47 channel
= SEC_CHANNEL_BELOW
;
50 channel
= NO_SEC_CHANNEL
;
56 * This function maps the driver channel type into nl802.11 channel type.
58 * The mapping is as follows -
59 * NO_SEC_CHANNEL -> NL80211_CHAN_HT20
60 * SEC_CHANNEL_ABOVE -> NL80211_CHAN_HT40PLUS
61 * SEC_CHANNEL_BELOW -> NL80211_CHAN_HT40MINUS
62 * Others -> NL80211_CHAN_HT20
64 static enum nl80211_channel_type
65 mwifiex_channels_to_cfg80211_channel_type(int channel_type
)
68 switch (channel_type
) {
70 channel
= NL80211_CHAN_HT20
;
72 case SEC_CHANNEL_ABOVE
:
73 channel
= NL80211_CHAN_HT40PLUS
;
75 case SEC_CHANNEL_BELOW
:
76 channel
= NL80211_CHAN_HT40MINUS
;
79 channel
= NL80211_CHAN_HT20
;
85 * This function checks whether WEP is set.
88 mwifiex_is_alg_wep(u32 cipher
)
93 case MWIFIEX_ENCRYPTION_MODE_WEP40
:
94 case MWIFIEX_ENCRYPTION_MODE_WEP104
:
105 * This function maps the given cipher type into driver specific type.
107 * It also sets a flag to indicate whether WPA is enabled or not.
109 * The mapping table is -
110 * Input cipher Driver cipher type WPA enabled?
111 * ------------ ------------------ ------------
112 * IW_AUTH_CIPHER_NONE MWIFIEX_ENCRYPTION_MODE_NONE No
113 * WLAN_CIPHER_SUITE_WEP40 MWIFIEX_ENCRYPTION_MODE_WEP40 No
114 * WLAN_CIPHER_SUITE_WEP104 MWIFIEX_ENCRYPTION_MODE_WEP104 No
115 * WLAN_CIPHER_SUITE_TKIP MWIFIEX_ENCRYPTION_MODE_TKIP Yes
116 * WLAN_CIPHER_SUITE_CCMP MWIFIEX_ENCRYPTION_MODE_CCMP Yes
120 mwifiex_get_mwifiex_cipher(u32 cipher
, int *wpa_enabled
)
127 case IW_AUTH_CIPHER_NONE
:
128 encrypt_mode
= MWIFIEX_ENCRYPTION_MODE_NONE
;
130 case WLAN_CIPHER_SUITE_WEP40
:
131 encrypt_mode
= MWIFIEX_ENCRYPTION_MODE_WEP40
;
133 case WLAN_CIPHER_SUITE_WEP104
:
134 encrypt_mode
= MWIFIEX_ENCRYPTION_MODE_WEP104
;
136 case WLAN_CIPHER_SUITE_TKIP
:
137 encrypt_mode
= MWIFIEX_ENCRYPTION_MODE_TKIP
;
141 case WLAN_CIPHER_SUITE_CCMP
:
142 encrypt_mode
= MWIFIEX_ENCRYPTION_MODE_CCMP
;
154 * This function retrieves the private structure from kernel wiphy structure.
156 static void *mwifiex_cfg80211_get_priv(struct wiphy
*wiphy
)
158 return (void *) (*(unsigned long *) wiphy_priv(wiphy
));
162 * CFG802.11 operation handler to delete a network key.
165 mwifiex_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
166 u8 key_index
, bool pairwise
, const u8
*mac_addr
)
168 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
171 ret
= mwifiex_set_encode(priv
, NULL
, 0, key_index
, 1);
173 wiphy_err(wiphy
, "deleting the crypto keys\n");
177 wiphy_dbg(wiphy
, "info: crypto keys deleted\n");
182 * CFG802.11 operation handler to set Tx power.
185 mwifiex_cfg80211_set_tx_power(struct wiphy
*wiphy
,
186 enum nl80211_tx_power_setting type
,
190 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
192 ret
= mwifiex_set_tx_power(priv
, type
, dbm
);
198 * CFG802.11 operation handler to set Power Save option.
200 * The timeout value, if provided, is currently ignored.
203 mwifiex_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
204 struct net_device
*dev
,
205 bool enabled
, int timeout
)
208 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
212 "info: ignoring the timeout value"
213 " for IEEE power save\n");
215 ret
= mwifiex_drv_set_power(priv
, enabled
);
221 * CFG802.11 operation handler to set the default network key.
224 mwifiex_cfg80211_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
225 u8 key_index
, bool unicast
,
228 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
231 ret
= mwifiex_set_encode(priv
, NULL
, 0, key_index
, 0);
233 wiphy_dbg(wiphy
, "info: set default Tx key index\n");
242 * CFG802.11 operation handler to add a network key.
245 mwifiex_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
246 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
247 struct key_params
*params
)
249 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
253 encrypt_mode
= mwifiex_get_mwifiex_cipher(params
->cipher
, NULL
);
255 if (encrypt_mode
!= -1)
256 ret
= mwifiex_set_encode(priv
, params
->key
, params
->key_len
,
259 wiphy_dbg(wiphy
, "info: crypto keys added\n");
268 * This function sends domain information to the firmware.
270 * The following information are passed to the firmware -
272 * - Sub bands (first channel, number of channels, maximum Tx power)
274 static int mwifiex_send_domain_info_cmd_fw(struct wiphy
*wiphy
)
276 u8 no_of_triplet
= 0;
277 struct ieee80211_country_ie_triplet
*t
;
278 u8 no_of_parsed_chan
= 0;
279 u8 first_chan
= 0, next_chan
= 0, max_pwr
= 0;
281 enum ieee80211_band band
;
282 struct ieee80211_supported_band
*sband
;
283 struct ieee80211_channel
*ch
;
284 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
285 struct mwifiex_adapter
*adapter
= priv
->adapter
;
286 struct mwifiex_802_11d_domain_reg
*domain_info
= &adapter
->domain_reg
;
289 /* Set country code */
290 domain_info
->country_code
[0] = priv
->country_code
[0];
291 domain_info
->country_code
[1] = priv
->country_code
[1];
292 domain_info
->country_code
[2] = ' ';
294 band
= mwifiex_band_to_radio_type(adapter
->config_bands
);
295 if (!wiphy
->bands
[band
]) {
296 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
300 sband
= wiphy
->bands
[band
];
302 for (i
= 0; i
< sband
->n_channels
; i
++) {
303 ch
= &sband
->channels
[i
];
304 if (ch
->flags
& IEEE80211_CHAN_DISABLED
)
309 first_chan
= (u32
) ch
->hw_value
;
310 next_chan
= first_chan
;
311 max_pwr
= ch
->max_power
;
312 no_of_parsed_chan
= 1;
316 if (ch
->hw_value
== next_chan
+ 1 &&
317 ch
->max_power
== max_pwr
) {
321 t
= &domain_info
->triplet
[no_of_triplet
];
322 t
->chans
.first_channel
= first_chan
;
323 t
->chans
.num_channels
= no_of_parsed_chan
;
324 t
->chans
.max_power
= max_pwr
;
326 first_chan
= (u32
) ch
->hw_value
;
327 next_chan
= first_chan
;
328 max_pwr
= ch
->max_power
;
329 no_of_parsed_chan
= 1;
334 t
= &domain_info
->triplet
[no_of_triplet
];
335 t
->chans
.first_channel
= first_chan
;
336 t
->chans
.num_channels
= no_of_parsed_chan
;
337 t
->chans
.max_power
= max_pwr
;
341 domain_info
->no_of_triplet
= no_of_triplet
;
342 /* Send cmd to FW to set domain info */
343 ret
= mwifiex_prepare_cmd(priv
, HostCmd_CMD_802_11D_DOMAIN_INFO
,
344 HostCmd_ACT_GEN_SET
, 0, NULL
, NULL
);
346 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
352 * CFG802.11 regulatory domain callback function.
354 * This function is called when the regulatory domain is changed due to the
355 * following reasons -
357 * - Set by system core
359 * - Set bt Country IE
361 static int mwifiex_reg_notifier(struct wiphy
*wiphy
,
362 struct regulatory_request
*request
)
364 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
366 wiphy_dbg(wiphy
, "info: cfg80211 regulatory domain callback for domain"
367 " %c%c\n", request
->alpha2
[0], request
->alpha2
[1]);
369 memcpy(priv
->country_code
, request
->alpha2
, sizeof(request
->alpha2
));
371 switch (request
->initiator
) {
372 case NL80211_REGDOM_SET_BY_DRIVER
:
373 case NL80211_REGDOM_SET_BY_CORE
:
374 case NL80211_REGDOM_SET_BY_USER
:
376 /* Todo: apply driver specific changes in channel flags based
377 on the request initiator if necessary. */
378 case NL80211_REGDOM_SET_BY_COUNTRY_IE
:
381 mwifiex_send_domain_info_cmd_fw(wiphy
);
387 * This function sets the RF channel.
389 * This function creates multiple IOCTL requests, populates them accordingly
390 * and issues them to set the band/channel and frequency.
393 mwifiex_set_rf_channel(struct mwifiex_private
*priv
,
394 struct ieee80211_channel
*chan
,
395 enum nl80211_channel_type channel_type
)
397 struct mwifiex_chan_freq_power cfp
;
400 struct mwifiex_ds_band_cfg band_cfg
;
401 u32 config_bands
= 0;
402 struct wiphy
*wiphy
= priv
->wdev
->wiphy
;
405 memset(&band_cfg
, 0, sizeof(band_cfg
));
406 /* Set appropriate bands */
407 if (chan
->band
== IEEE80211_BAND_2GHZ
)
408 config_bands
= BAND_B
| BAND_G
| BAND_GN
;
410 config_bands
= BAND_AN
| BAND_A
;
411 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
412 || priv
->bss_mode
== NL80211_IFTYPE_UNSPECIFIED
) {
413 band_cfg
.config_bands
= config_bands
;
414 } else if (priv
->bss_mode
== NL80211_IFTYPE_ADHOC
) {
415 band_cfg
.config_bands
= config_bands
;
416 band_cfg
.adhoc_start_band
= config_bands
;
418 /* Set channel offset */
419 band_cfg
.sec_chan_offset
=
420 mwifiex_cfg80211_channel_type_to_mwifiex_channels
422 status
= mwifiex_radio_ioctl_band_cfg(priv
, HostCmd_ACT_GEN_SET
,
427 mwifiex_send_domain_info_cmd_fw(wiphy
);
430 wiphy_dbg(wiphy
, "info: setting band %d, channel offset %d and "
431 "mode %d\n", config_bands
, band_cfg
.sec_chan_offset
,
436 memset(&cfp
, 0, sizeof(cfp
));
437 cfp
.freq
= chan
->center_freq
;
438 /* Convert frequency to channel */
439 cfp
.channel
= ieee80211_frequency_to_channel(chan
->center_freq
);
441 status
= mwifiex_bss_ioctl_channel(priv
, HostCmd_ACT_GEN_SET
, &cfp
);
445 ret
= mwifiex_drv_change_adhoc_chan(priv
, cfp
.channel
);
451 * CFG802.11 operation handler to set channel.
453 * This function can only be used when station is not connected.
456 mwifiex_cfg80211_set_channel(struct wiphy
*wiphy
, struct net_device
*dev
,
457 struct ieee80211_channel
*chan
,
458 enum nl80211_channel_type channel_type
)
460 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
462 if (priv
->media_connected
) {
463 wiphy_err(wiphy
, "This setting is valid only when station "
464 "is not connected\n");
468 return mwifiex_set_rf_channel(priv
, chan
, channel_type
);
472 * This function sets the fragmentation threshold.
474 * This function creates an IOCTL request, populates it accordingly
475 * and issues an IOCTL.
477 * The fragmentation threshold value must lies between MWIFIEX_FRAG_MIN_VALUE
478 * and MWIFIEX_FRAG_MAX_VALUE.
481 mwifiex_set_frag(struct mwifiex_private
*priv
, u32 frag_thr
)
485 struct mwifiex_wait_queue
*wait
= NULL
;
486 u8 wait_option
= MWIFIEX_IOCTL_WAIT
;
488 if (frag_thr
< MWIFIEX_FRAG_MIN_VALUE
489 || frag_thr
> MWIFIEX_FRAG_MAX_VALUE
)
492 wait
= mwifiex_alloc_fill_wait_queue(priv
, wait_option
);
496 status
= mwifiex_snmp_mib_ioctl(priv
, wait
, FRAG_THRESH_I
,
497 HostCmd_ACT_GEN_SET
, &frag_thr
);
499 if (mwifiex_request_ioctl(priv
, wait
, status
, wait_option
))
507 * This function sets the RTS threshold.
509 * This function creates an IOCTL request, populates it accordingly
510 * and issues an IOCTL.
513 mwifiex_set_rts(struct mwifiex_private
*priv
, u32 rts_thr
)
516 struct mwifiex_wait_queue
*wait
= NULL
;
518 u8 wait_option
= MWIFIEX_IOCTL_WAIT
;
520 if (rts_thr
< MWIFIEX_RTS_MIN_VALUE
|| rts_thr
> MWIFIEX_RTS_MAX_VALUE
)
521 rts_thr
= MWIFIEX_RTS_MAX_VALUE
;
523 wait
= mwifiex_alloc_fill_wait_queue(priv
, wait_option
);
527 status
= mwifiex_snmp_mib_ioctl(priv
, wait
, RTS_THRESH_I
,
528 HostCmd_ACT_GEN_SET
, &rts_thr
);
530 if (mwifiex_request_ioctl(priv
, wait
, status
, wait_option
))
538 * CFG802.11 operation handler to set wiphy parameters.
540 * This function can be used to set the RTS threshold and the
541 * Fragmentation threshold of the driver.
544 mwifiex_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
546 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
550 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
551 ret
= mwifiex_set_rts(priv
, wiphy
->rts_threshold
);
553 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
554 ret
= mwifiex_set_frag(priv
, wiphy
->frag_threshold
);
560 * CFG802.11 operation handler to change interface type.
563 mwifiex_cfg80211_change_virtual_intf(struct wiphy
*wiphy
,
564 struct net_device
*dev
,
565 enum nl80211_iftype type
, u32
*flags
,
566 struct vif_params
*params
)
569 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
570 struct mwifiex_wait_queue
*wait
= NULL
;
572 if (priv
->bss_mode
== type
) {
573 wiphy_warn(wiphy
, "already set to required type\n");
577 priv
->bss_mode
= type
;
580 case NL80211_IFTYPE_ADHOC
:
581 dev
->ieee80211_ptr
->iftype
= NL80211_IFTYPE_ADHOC
;
582 wiphy_dbg(wiphy
, "info: setting interface type to adhoc\n");
584 case NL80211_IFTYPE_STATION
:
585 dev
->ieee80211_ptr
->iftype
= NL80211_IFTYPE_STATION
;
586 wiphy_dbg(wiphy
, "info: setting interface type to managed\n");
588 case NL80211_IFTYPE_UNSPECIFIED
:
589 dev
->ieee80211_ptr
->iftype
= NL80211_IFTYPE_STATION
;
590 wiphy_dbg(wiphy
, "info: setting interface type to auto\n");
593 wiphy_err(wiphy
, "unknown interface type: %d\n", type
);
597 wait
= mwifiex_alloc_fill_wait_queue(priv
, MWIFIEX_IOCTL_WAIT
);
601 mwifiex_deauthenticate(priv
, wait
, NULL
);
603 priv
->sec_info
.authentication_mode
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
605 ret
= mwifiex_prepare_cmd(priv
, HostCmd_CMD_SET_BSS_MODE
,
606 HostCmd_ACT_GEN_SET
, 0, wait
, NULL
);
610 ret
= mwifiex_request_ioctl(priv
, wait
, ret
, MWIFIEX_IOCTL_WAIT
);
619 * This function dumps the station information on a buffer.
621 * The following information are shown -
622 * - Total bytes transmitted
623 * - Total bytes received
624 * - Total packets transmitted
625 * - Total packets received
626 * - Signal quality level
627 * - Transmission rate
630 mwifiex_dump_station_info(struct mwifiex_private
*priv
,
631 struct station_info
*sinfo
)
633 struct mwifiex_ds_get_signal signal
;
634 struct mwifiex_rate_cfg rate
;
637 sinfo
->filled
= STATION_INFO_RX_BYTES
| STATION_INFO_TX_BYTES
|
638 STATION_INFO_RX_PACKETS
|
639 STATION_INFO_TX_PACKETS
640 | STATION_INFO_SIGNAL
| STATION_INFO_TX_BITRATE
;
642 /* Get signal information from the firmware */
643 memset(&signal
, 0, sizeof(struct mwifiex_ds_get_signal
));
644 if (mwifiex_get_signal_info(priv
, MWIFIEX_IOCTL_WAIT
, &signal
)) {
645 dev_err(priv
->adapter
->dev
, "getting signal information\n");
649 if (mwifiex_drv_get_data_rate(priv
, &rate
)) {
650 dev_err(priv
->adapter
->dev
, "getting data rate\n");
654 sinfo
->rx_bytes
= priv
->stats
.rx_bytes
;
655 sinfo
->tx_bytes
= priv
->stats
.tx_bytes
;
656 sinfo
->rx_packets
= priv
->stats
.rx_packets
;
657 sinfo
->tx_packets
= priv
->stats
.tx_packets
;
658 sinfo
->signal
= priv
->w_stats
.qual
.level
;
659 sinfo
->txrate
.legacy
= rate
.rate
;
665 * CFG802.11 operation handler to get station information.
667 * This function only works in connected mode, and dumps the
668 * requested station information, if available.
671 mwifiex_cfg80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
672 u8
*mac
, struct station_info
*sinfo
)
674 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
677 mwifiex_dump_station_info(priv
, sinfo
);
679 if (!priv
->media_connected
)
681 if (memcmp(mac
, priv
->cfg_bssid
, ETH_ALEN
))
685 ret
= mwifiex_dump_station_info(priv
, sinfo
);
690 /* Supported rates to be advertised to the cfg80211 */
692 static struct ieee80211_rate mwifiex_rates
[] = {
693 {.bitrate
= 10, .hw_value
= 2, },
694 {.bitrate
= 20, .hw_value
= 4, },
695 {.bitrate
= 55, .hw_value
= 11, },
696 {.bitrate
= 110, .hw_value
= 22, },
697 {.bitrate
= 220, .hw_value
= 44, },
698 {.bitrate
= 60, .hw_value
= 12, },
699 {.bitrate
= 90, .hw_value
= 18, },
700 {.bitrate
= 120, .hw_value
= 24, },
701 {.bitrate
= 180, .hw_value
= 36, },
702 {.bitrate
= 240, .hw_value
= 48, },
703 {.bitrate
= 360, .hw_value
= 72, },
704 {.bitrate
= 480, .hw_value
= 96, },
705 {.bitrate
= 540, .hw_value
= 108, },
706 {.bitrate
= 720, .hw_value
= 144, },
709 /* Channel definitions to be advertised to cfg80211 */
711 static struct ieee80211_channel mwifiex_channels_2ghz
[] = {
712 {.center_freq
= 2412, .hw_value
= 1, },
713 {.center_freq
= 2417, .hw_value
= 2, },
714 {.center_freq
= 2422, .hw_value
= 3, },
715 {.center_freq
= 2427, .hw_value
= 4, },
716 {.center_freq
= 2432, .hw_value
= 5, },
717 {.center_freq
= 2437, .hw_value
= 6, },
718 {.center_freq
= 2442, .hw_value
= 7, },
719 {.center_freq
= 2447, .hw_value
= 8, },
720 {.center_freq
= 2452, .hw_value
= 9, },
721 {.center_freq
= 2457, .hw_value
= 10, },
722 {.center_freq
= 2462, .hw_value
= 11, },
723 {.center_freq
= 2467, .hw_value
= 12, },
724 {.center_freq
= 2472, .hw_value
= 13, },
725 {.center_freq
= 2484, .hw_value
= 14, },
728 static struct ieee80211_supported_band mwifiex_band_2ghz
= {
729 .channels
= mwifiex_channels_2ghz
,
730 .n_channels
= ARRAY_SIZE(mwifiex_channels_2ghz
),
731 .bitrates
= mwifiex_rates
,
735 static struct ieee80211_channel mwifiex_channels_5ghz
[] = {
736 {.center_freq
= 5040, .hw_value
= 8, },
737 {.center_freq
= 5060, .hw_value
= 12, },
738 {.center_freq
= 5080, .hw_value
= 16, },
739 {.center_freq
= 5170, .hw_value
= 34, },
740 {.center_freq
= 5190, .hw_value
= 38, },
741 {.center_freq
= 5210, .hw_value
= 42, },
742 {.center_freq
= 5230, .hw_value
= 46, },
743 {.center_freq
= 5180, .hw_value
= 36, },
744 {.center_freq
= 5200, .hw_value
= 40, },
745 {.center_freq
= 5220, .hw_value
= 44, },
746 {.center_freq
= 5240, .hw_value
= 48, },
747 {.center_freq
= 5260, .hw_value
= 52, },
748 {.center_freq
= 5280, .hw_value
= 56, },
749 {.center_freq
= 5300, .hw_value
= 60, },
750 {.center_freq
= 5320, .hw_value
= 64, },
751 {.center_freq
= 5500, .hw_value
= 100, },
752 {.center_freq
= 5520, .hw_value
= 104, },
753 {.center_freq
= 5540, .hw_value
= 108, },
754 {.center_freq
= 5560, .hw_value
= 112, },
755 {.center_freq
= 5580, .hw_value
= 116, },
756 {.center_freq
= 5600, .hw_value
= 120, },
757 {.center_freq
= 5620, .hw_value
= 124, },
758 {.center_freq
= 5640, .hw_value
= 128, },
759 {.center_freq
= 5660, .hw_value
= 132, },
760 {.center_freq
= 5680, .hw_value
= 136, },
761 {.center_freq
= 5700, .hw_value
= 140, },
762 {.center_freq
= 5745, .hw_value
= 149, },
763 {.center_freq
= 5765, .hw_value
= 153, },
764 {.center_freq
= 5785, .hw_value
= 157, },
765 {.center_freq
= 5805, .hw_value
= 161, },
766 {.center_freq
= 5825, .hw_value
= 165, },
769 static struct ieee80211_supported_band mwifiex_band_5ghz
= {
770 .channels
= mwifiex_channels_5ghz
,
771 .n_channels
= ARRAY_SIZE(mwifiex_channels_5ghz
),
772 .bitrates
= mwifiex_rates
- 4,
773 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
) + 4,
777 /* Supported crypto cipher suits to be advertised to cfg80211 */
779 static const u32 mwifiex_cipher_suites
[] = {
780 WLAN_CIPHER_SUITE_WEP40
,
781 WLAN_CIPHER_SUITE_WEP104
,
782 WLAN_CIPHER_SUITE_TKIP
,
783 WLAN_CIPHER_SUITE_CCMP
,
787 * CFG802.11 operation handler for disconnection request.
789 * This function does not work when there is already a disconnection
790 * procedure going on.
793 mwifiex_cfg80211_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
796 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
798 if (priv
->disconnect
)
801 priv
->disconnect
= 1;
802 if (mwifiex_disconnect(priv
, MWIFIEX_IOCTL_WAIT
, NULL
))
805 wiphy_dbg(wiphy
, "info: successfully disconnected from %pM:"
806 " reason code %d\n", priv
->cfg_bssid
, reason_code
);
808 queue_work(priv
->workqueue
, &priv
->cfg_workqueue
);
814 * This function informs the CFG802.11 subsystem of a new IBSS.
816 * The following information are sent to the CFG802.11 subsystem
817 * to register the new IBSS. If we do not register the new IBSS,
818 * a kernel panic will result.
824 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private
*priv
)
827 struct ieee80211_channel
*chan
;
828 struct mwifiex_bss_info bss_info
;
830 u8 ie_buf
[IEEE80211_MAX_SSID_LEN
+ sizeof(struct ieee_types_header
)];
832 ret
= mwifiex_get_bss_info(priv
, &bss_info
);
836 ie_buf
[0] = WLAN_EID_SSID
;
837 ie_buf
[1] = bss_info
.ssid
.ssid_len
;
839 memcpy(&ie_buf
[sizeof(struct ieee_types_header
)],
841 bss_info
.ssid
.ssid_len
);
842 ie_len
= ie_buf
[1] + sizeof(struct ieee_types_header
);
844 chan
= __ieee80211_get_channel(priv
->wdev
->wiphy
,
845 ieee80211_channel_to_frequency(bss_info
.bss_chan
,
846 priv
->curr_bss_params
.band
));
848 cfg80211_inform_bss(priv
->wdev
->wiphy
, chan
,
849 bss_info
.bssid
, 0, WLAN_CAPABILITY_IBSS
,
850 0, ie_buf
, ie_len
, 0, GFP_KERNEL
);
851 memcpy(priv
->cfg_bssid
, bss_info
.bssid
, ETH_ALEN
);
857 * This function informs the CFG802.11 subsystem of a new BSS connection.
859 * The following information are sent to the CFG802.11 subsystem
860 * to register the new BSS connection. If we do not register the new BSS,
861 * a kernel panic will result.
867 * - Supported rates IE
868 * - Extended capabilities IE
869 * - DS parameter set IE
871 * - Vendor Specific IE (221)
875 static int mwifiex_inform_bss_from_scan_result(struct mwifiex_private
*priv
,
876 struct mwifiex_802_11_ssid
*ssid
)
878 struct mwifiex_scan_resp scan_resp
;
879 struct mwifiex_bssdescriptor
*scan_table
;
881 struct ieee80211_channel
*chan
;
882 u8
*ie
, *tmp
, *ie_buf
;
887 u8 element_id
, element_len
;
889 memset(&scan_resp
, 0, sizeof(scan_resp
));
890 if (mwifiex_get_scan_table(priv
, MWIFIEX_IOCTL_WAIT
, &scan_resp
))
893 #define MAX_IE_BUF 2048
894 ie_buf
= kzalloc(MAX_IE_BUF
, GFP_KERNEL
);
896 dev_err(priv
->adapter
->dev
, "%s: failed to alloc ie_buf\n",
901 scan_table
= (struct mwifiex_bssdescriptor
*) scan_resp
.scan_table
;
902 for (i
= 0; i
< scan_resp
.num_in_scan_table
; i
++) {
904 /* Inform specific BSS only */
905 if (memcmp(ssid
->ssid
, scan_table
[i
].ssid
.ssid
,
909 memset(ie_buf
, 0, MAX_IE_BUF
);
910 ie_buf
[0] = WLAN_EID_SSID
;
911 ie_buf
[1] = scan_table
[i
].ssid
.ssid_len
;
912 memcpy(&ie_buf
[sizeof(struct ieee_types_header
)],
913 scan_table
[i
].ssid
.ssid
, ie_buf
[1]);
915 ie
= ie_buf
+ ie_buf
[1] + sizeof(struct ieee_types_header
);
916 ie_len
= ie_buf
[1] + sizeof(struct ieee_types_header
);
918 ie
[0] = WLAN_EID_SUPP_RATES
;
920 for (j
= 0; j
< sizeof(scan_table
[i
].supported_rates
); j
++) {
921 if (!scan_table
[i
].supported_rates
[j
])
924 ie
[j
+ sizeof(struct ieee_types_header
)] =
925 scan_table
[i
].supported_rates
[j
];
929 ie_len
+= ie
[1] + sizeof(struct ieee_types_header
);
931 beacon
= scan_table
[i
].beacon_buf
;
932 beacon_size
= scan_table
[i
].beacon_buf_size
;
934 /* Skip time stamp, beacon interval and capability */
937 beacon
+= sizeof(scan_table
[i
].beacon_period
)
938 + sizeof(scan_table
[i
].time_stamp
) +
939 +sizeof(scan_table
[i
].cap_info_bitmap
);
941 beacon_size
-= sizeof(scan_table
[i
].beacon_period
)
942 + sizeof(scan_table
[i
].time_stamp
)
943 + sizeof(scan_table
[i
].cap_info_bitmap
);
946 while (beacon_size
>= sizeof(struct ieee_types_header
)) {
947 ie
= ie_buf
+ ie_len
;
948 element_id
= *beacon
;
949 element_len
= *(beacon
+ 1);
950 if (beacon_size
< (int) element_len
+
951 sizeof(struct ieee_types_header
)) {
952 dev_err(priv
->adapter
->dev
, "%s: in processing"
953 " IE, bytes left < IE length\n",
957 switch (element_id
) {
958 case WLAN_EID_EXT_CAPABILITY
:
959 case WLAN_EID_DS_PARAMS
:
960 case WLAN_EID_HT_CAPABILITY
:
961 case WLAN_EID_VENDOR_SPECIFIC
:
963 case WLAN_EID_BSS_AC_ACCESS_DELAY
:
967 memcpy(&ie
[sizeof(struct ieee_types_header
)],
968 tmp
+ sizeof(struct ieee_types_header
),
971 sizeof(struct ieee_types_header
);
976 beacon
+= element_len
+
977 sizeof(struct ieee_types_header
);
978 beacon_size
-= element_len
+
979 sizeof(struct ieee_types_header
);
981 chan
= ieee80211_get_channel(priv
->wdev
->wiphy
,
983 cfg80211_inform_bss(priv
->wdev
->wiphy
, chan
,
984 scan_table
[i
].mac_address
,
985 ts
, scan_table
[i
].cap_info_bitmap
,
986 scan_table
[i
].beacon_period
,
988 scan_table
[i
].rssi
, GFP_KERNEL
);
996 * This function connects with a BSS.
998 * This function handles both Infra and Ad-Hoc modes. It also performs
999 * validity checking on the provided parameters, disconnects from the
1000 * current BSS (if any), sets up the association/scan parameters,
1001 * including security settings, and performs specific SSID scan before
1002 * trying to connect.
1004 * For Infra mode, the function returns failure if the specified SSID
1005 * is not found in scan table. However, for Ad-Hoc mode, it can create
1006 * the IBSS if it does not exist. On successful completion in either case,
1007 * the function notifies the CFG802.11 subsystem of the new BSS connection,
1008 * otherwise the kernel will panic.
1011 mwifiex_cfg80211_assoc(struct mwifiex_private
*priv
, size_t ssid_len
, u8
*ssid
,
1012 u8
*bssid
, int mode
, struct ieee80211_channel
*channel
,
1013 struct cfg80211_connect_params
*sme
, bool privacy
)
1015 struct mwifiex_802_11_ssid req_ssid
;
1016 struct mwifiex_ssid_bssid ssid_bssid
;
1018 int auth_type
= 0, pairwise_encrypt_mode
= 0, wpa_enabled
= 0;
1019 int group_encrypt_mode
= 0;
1022 memset(&req_ssid
, 0, sizeof(struct mwifiex_802_11_ssid
));
1023 memset(&ssid_bssid
, 0, sizeof(struct mwifiex_ssid_bssid
));
1025 req_ssid
.ssid_len
= ssid_len
;
1026 if (ssid_len
> IEEE80211_MAX_SSID_LEN
) {
1027 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1031 memcpy(req_ssid
.ssid
, ssid
, ssid_len
);
1032 if (!req_ssid
.ssid_len
|| req_ssid
.ssid
[0] < 0x20) {
1033 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1037 /* disconnect before try to associate */
1038 mwifiex_disconnect(priv
, MWIFIEX_IOCTL_WAIT
, NULL
);
1041 ret
= mwifiex_set_rf_channel(priv
, channel
,
1042 mwifiex_channels_to_cfg80211_channel_type
1043 (priv
->adapter
->chan_offset
));
1045 ret
= mwifiex_set_encode(priv
, NULL
, 0, 0, 1); /* Disable keys */
1047 if (mode
== NL80211_IFTYPE_ADHOC
) {
1048 /* "privacy" is set only for ad-hoc mode */
1051 * Keep MWIFIEX_ENCRYPTION_MODE_WEP104 for now so that
1052 * the firmware can find a matching network from the
1053 * scan. The cfg80211 does not give us the encryption
1054 * mode at this stage so just setting it to WEP here.
1056 priv
->sec_info
.encryption_mode
=
1057 MWIFIEX_ENCRYPTION_MODE_WEP104
;
1058 priv
->sec_info
.authentication_mode
=
1059 NL80211_AUTHTYPE_OPEN_SYSTEM
;
1065 /* Now handle infra mode. "sme" is valid for infra mode only */
1066 if (sme
->auth_type
== NL80211_AUTHTYPE_AUTOMATIC
1067 || sme
->auth_type
== NL80211_AUTHTYPE_OPEN_SYSTEM
)
1068 auth_type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
1069 else if (sme
->auth_type
== NL80211_AUTHTYPE_SHARED_KEY
)
1070 auth_type
= NL80211_AUTHTYPE_SHARED_KEY
;
1072 if (sme
->crypto
.n_ciphers_pairwise
) {
1073 pairwise_encrypt_mode
= mwifiex_get_mwifiex_cipher(sme
->crypto
.
1074 ciphers_pairwise
[0], &wpa_enabled
);
1075 priv
->sec_info
.encryption_mode
= pairwise_encrypt_mode
;
1076 priv
->sec_info
.authentication_mode
= auth_type
;
1079 if (sme
->crypto
.cipher_group
) {
1080 group_encrypt_mode
= mwifiex_get_mwifiex_cipher(sme
->crypto
.
1081 cipher_group
, &wpa_enabled
);
1082 priv
->sec_info
.encryption_mode
= group_encrypt_mode
;
1083 priv
->sec_info
.authentication_mode
= auth_type
;
1086 ret
= mwifiex_set_gen_ie(priv
, sme
->ie
, sme
->ie_len
);
1089 alg_is_wep
= mwifiex_is_alg_wep(pairwise_encrypt_mode
)
1090 | mwifiex_is_alg_wep(group_encrypt_mode
);
1092 dev_dbg(priv
->adapter
->dev
,
1093 "info: setting wep encryption"
1094 " with key len %d\n", sme
->key_len
);
1095 ret
= mwifiex_set_encode(priv
, sme
->key
, sme
->key_len
,
1100 /* Do specific SSID scanning */
1101 if (mwifiex_request_scan(priv
, MWIFIEX_IOCTL_WAIT
, &req_ssid
)) {
1102 dev_err(priv
->adapter
->dev
, "scan error\n");
1107 memcpy(&ssid_bssid
.ssid
, &req_ssid
, sizeof(struct mwifiex_802_11_ssid
));
1109 if (mode
!= NL80211_IFTYPE_ADHOC
) {
1110 if (mwifiex_find_best_bss(priv
, MWIFIEX_IOCTL_WAIT
,
1113 /* Inform the BSS information to kernel, otherwise
1114 * kernel will give a panic after successful assoc */
1115 if (mwifiex_inform_bss_from_scan_result(priv
, &req_ssid
))
1119 dev_dbg(priv
->adapter
->dev
, "info: trying to associate to %s and bssid %pM\n",
1120 (char *) req_ssid
.ssid
, ssid_bssid
.bssid
);
1122 memcpy(&priv
->cfg_bssid
, ssid_bssid
.bssid
, 6);
1124 /* Connect to BSS by ESSID */
1125 memset(&ssid_bssid
.bssid
, 0, ETH_ALEN
);
1127 if (mwifiex_bss_start(priv
, MWIFIEX_IOCTL_WAIT
, &ssid_bssid
))
1130 if (mode
== NL80211_IFTYPE_ADHOC
) {
1131 /* Inform the BSS information to kernel, otherwise
1132 * kernel will give a panic after successful assoc */
1133 if (mwifiex_cfg80211_inform_ibss_bss(priv
))
1141 * CFG802.11 operation handler for association request.
1143 * This function does not work when the current mode is set to Ad-Hoc, or
1144 * when there is already an association procedure going on. The given BSS
1145 * information is used to associate.
1148 mwifiex_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
1149 struct cfg80211_connect_params
*sme
)
1151 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1154 if (priv
->assoc_request
)
1157 if (priv
->bss_mode
== NL80211_IFTYPE_ADHOC
) {
1158 wiphy_err(wiphy
, "received infra assoc request "
1159 "when station is in ibss mode\n");
1163 priv
->assoc_request
= 1;
1165 wiphy_dbg(wiphy
, "info: Trying to associate to %s and bssid %pM\n",
1166 (char *) sme
->ssid
, sme
->bssid
);
1168 ret
= mwifiex_cfg80211_assoc(priv
, sme
->ssid_len
, sme
->ssid
, sme
->bssid
,
1169 priv
->bss_mode
, sme
->channel
, sme
, 0);
1172 priv
->assoc_result
= ret
;
1173 queue_work(priv
->workqueue
, &priv
->cfg_workqueue
);
1178 * CFG802.11 operation handler to join an IBSS.
1180 * This function does not work in any mode other than Ad-Hoc, or if
1181 * a join operation is already in progress.
1184 mwifiex_cfg80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1185 struct cfg80211_ibss_params
*params
)
1187 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
1190 if (priv
->ibss_join_request
)
1193 if (priv
->bss_mode
!= NL80211_IFTYPE_ADHOC
) {
1194 wiphy_err(wiphy
, "request to join ibss received "
1195 "when station is not in ibss mode\n");
1199 priv
->ibss_join_request
= 1;
1201 wiphy_dbg(wiphy
, "info: trying to join to %s and bssid %pM\n",
1202 (char *) params
->ssid
, params
->bssid
);
1204 ret
= mwifiex_cfg80211_assoc(priv
, params
->ssid_len
, params
->ssid
,
1205 params
->bssid
, priv
->bss_mode
,
1206 params
->channel
, NULL
, params
->privacy
);
1208 priv
->ibss_join_result
= ret
;
1209 queue_work(priv
->workqueue
, &priv
->cfg_workqueue
);
1214 * CFG802.11 operation handler to leave an IBSS.
1216 * This function does not work if a leave operation is
1217 * already in progress.
1220 mwifiex_cfg80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1222 struct mwifiex_private
*priv
= mwifiex_cfg80211_get_priv(wiphy
);
1224 if (priv
->disconnect
)
1227 priv
->disconnect
= 1;
1229 wiphy_dbg(wiphy
, "info: disconnecting from essid %pM\n",
1231 if (mwifiex_disconnect(priv
, MWIFIEX_IOCTL_WAIT
, NULL
))
1234 queue_work(priv
->workqueue
, &priv
->cfg_workqueue
);
1240 * CFG802.11 operation handler for scan request.
1242 * This function issues a scan request to the firmware based upon
1243 * the user specified scan configuration. On successfull completion,
1244 * it also informs the results.
1247 mwifiex_cfg80211_scan(struct wiphy
*wiphy
, struct net_device
*dev
,
1248 struct cfg80211_scan_request
*request
)
1250 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1252 wiphy_dbg(wiphy
, "info: received scan request on %s\n", dev
->name
);
1254 if (priv
->scan_request
&& priv
->scan_request
!= request
)
1257 priv
->scan_request
= request
;
1259 queue_work(priv
->workqueue
, &priv
->cfg_workqueue
);
1264 * This function sets up the CFG802.11 specific HT capability fields
1265 * with default values.
1267 * The following default values are set -
1268 * - HT Supported = True
1269 * - Maximum AMPDU length factor = 0x3
1270 * - Minimum AMPDU spacing = 0x6
1271 * - HT Capabilities map = IEEE80211_HT_CAP_SUP_WIDTH_20_40 (0x0002)
1272 * - MCS information, Rx mask = 0xff
1273 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1276 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap
*ht_info
,
1277 struct mwifiex_private
*priv
)
1280 struct ieee80211_mcs_info mcs_set
;
1281 u8
*mcs
= (u8
*)&mcs_set
;
1282 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1284 ht_info
->ht_supported
= true;
1285 ht_info
->ampdu_factor
= 0x3;
1286 ht_info
->ampdu_density
= 0x6;
1288 memset(&ht_info
->mcs
, 0, sizeof(ht_info
->mcs
));
1289 ht_info
->cap
= IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
1291 rx_mcs_supp
= GET_RXMCSSUPP(priv
->adapter
->hw_dev_mcs_support
);
1292 /* Set MCS for 1x1 */
1293 memset(mcs
, 0xff, rx_mcs_supp
);
1294 /* Clear all the other values */
1295 memset(&mcs
[rx_mcs_supp
], 0,
1296 sizeof(struct ieee80211_mcs_info
) - rx_mcs_supp
);
1297 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
||
1298 ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
1299 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1300 SETHT_MCS32(mcs_set
.rx_mask
);
1302 memcpy((u8
*) &ht_info
->mcs
, mcs
, sizeof(struct ieee80211_mcs_info
));
1304 ht_info
->mcs
.tx_params
= IEEE80211_HT_MCS_TX_DEFINED
;
1307 /* station cfg80211 operations */
1308 static struct cfg80211_ops mwifiex_cfg80211_ops
= {
1309 .change_virtual_intf
= mwifiex_cfg80211_change_virtual_intf
,
1310 .scan
= mwifiex_cfg80211_scan
,
1311 .connect
= mwifiex_cfg80211_connect
,
1312 .disconnect
= mwifiex_cfg80211_disconnect
,
1313 .get_station
= mwifiex_cfg80211_get_station
,
1314 .set_wiphy_params
= mwifiex_cfg80211_set_wiphy_params
,
1315 .set_channel
= mwifiex_cfg80211_set_channel
,
1316 .join_ibss
= mwifiex_cfg80211_join_ibss
,
1317 .leave_ibss
= mwifiex_cfg80211_leave_ibss
,
1318 .add_key
= mwifiex_cfg80211_add_key
,
1319 .del_key
= mwifiex_cfg80211_del_key
,
1320 .set_default_key
= mwifiex_cfg80211_set_default_key
,
1321 .set_power_mgmt
= mwifiex_cfg80211_set_power_mgmt
,
1322 .set_tx_power
= mwifiex_cfg80211_set_tx_power
,
1326 * This function registers the device with CFG802.11 subsystem.
1328 * The function creates the wireless device/wiphy, populates it with
1329 * default parameters and handler function pointers, and finally
1330 * registers the device.
1332 int mwifiex_register_cfg80211(struct net_device
*dev
, u8
*mac
,
1333 struct mwifiex_private
*priv
)
1336 void *wdev_priv
= NULL
;
1337 struct wireless_dev
*wdev
;
1339 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
1341 dev_err(priv
->adapter
->dev
, "%s: allocating wireless device\n",
1346 wiphy_new(&mwifiex_cfg80211_ops
,
1347 sizeof(struct mwifiex_private
*));
1350 wdev
->iftype
= NL80211_IFTYPE_STATION
;
1351 wdev
->wiphy
->max_scan_ssids
= 10;
1352 wdev
->wiphy
->interface_modes
=
1353 BIT(NL80211_IFTYPE_STATION
) | BIT(NL80211_IFTYPE_ADHOC
);
1354 wdev
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &mwifiex_band_2ghz
;
1355 wdev
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &mwifiex_band_5ghz
;
1357 /* Initialize cipher suits */
1358 wdev
->wiphy
->cipher_suites
= mwifiex_cipher_suites
;
1359 wdev
->wiphy
->n_cipher_suites
= ARRAY_SIZE(mwifiex_cipher_suites
);
1361 /* Initialize parameters for 2GHz band */
1363 mwifiex_setup_ht_caps(&wdev
->wiphy
->bands
[IEEE80211_BAND_2GHZ
]->ht_cap
,
1365 mwifiex_setup_ht_caps(&wdev
->wiphy
->bands
[IEEE80211_BAND_5GHZ
]->ht_cap
,
1368 memcpy(wdev
->wiphy
->perm_addr
, mac
, 6);
1369 wdev
->wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
1371 /* We are using custom domains */
1372 wdev
->wiphy
->flags
|= WIPHY_FLAG_CUSTOM_REGULATORY
;
1374 wdev
->wiphy
->reg_notifier
= mwifiex_reg_notifier
;
1376 /* Set struct mwifiex_private pointer in wiphy_priv */
1377 wdev_priv
= wiphy_priv(wdev
->wiphy
);
1379 *(unsigned long *) wdev_priv
= (unsigned long) priv
;
1381 ret
= wiphy_register(wdev
->wiphy
);
1383 dev_err(priv
->adapter
->dev
, "%s: registering cfg80211 device\n",
1385 wiphy_free(wdev
->wiphy
);
1388 dev_dbg(priv
->adapter
->dev
,
1389 "info: successfully registered wiphy device\n");
1392 dev_net_set(dev
, wiphy_net(wdev
->wiphy
));
1393 dev
->ieee80211_ptr
= wdev
;
1394 memcpy(dev
->dev_addr
, wdev
->wiphy
->perm_addr
, 6);
1395 memcpy(dev
->perm_addr
, wdev
->wiphy
->perm_addr
, 6);
1396 SET_NETDEV_DEV(dev
, wiphy_dev(wdev
->wiphy
));
1399 dev
->flags
|= IFF_BROADCAST
| IFF_MULTICAST
;
1400 dev
->watchdog_timeo
= MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT
;
1401 dev
->hard_header_len
+= MWIFIEX_MIN_DATA_HEADER_LEN
;
1407 * This function handles the result of different pending network operations.
1409 * The following operations are handled and CFG802.11 subsystem is
1410 * notified accordingly -
1411 * - Scan request completion
1412 * - Association request completion
1413 * - IBSS join request completion
1414 * - Disconnect request completion
1417 mwifiex_cfg80211_results(struct work_struct
*work
)
1419 struct mwifiex_private
*priv
=
1420 container_of(work
, struct mwifiex_private
, cfg_workqueue
);
1421 struct mwifiex_user_scan_cfg
*scan_req
;
1423 struct ieee80211_channel
*chan
;
1425 if (priv
->scan_request
) {
1426 scan_req
= kzalloc(sizeof(struct mwifiex_user_scan_cfg
),
1429 dev_err(priv
->adapter
->dev
, "failed to alloc "
1433 for (i
= 0; i
< priv
->scan_request
->n_ssids
; i
++) {
1434 memcpy(scan_req
->ssid_list
[i
].ssid
,
1435 priv
->scan_request
->ssids
[i
].ssid
,
1436 priv
->scan_request
->ssids
[i
].ssid_len
);
1437 scan_req
->ssid_list
[i
].max_len
=
1438 priv
->scan_request
->ssids
[i
].ssid_len
;
1440 for (i
= 0; i
< priv
->scan_request
->n_channels
; i
++) {
1441 chan
= priv
->scan_request
->channels
[i
];
1442 scan_req
->chan_list
[i
].chan_number
= chan
->hw_value
;
1443 scan_req
->chan_list
[i
].radio_type
= chan
->band
;
1444 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
1445 scan_req
->chan_list
[i
].scan_type
=
1446 MWIFIEX_SCAN_TYPE_PASSIVE
;
1448 scan_req
->chan_list
[i
].scan_type
=
1449 MWIFIEX_SCAN_TYPE_ACTIVE
;
1450 scan_req
->chan_list
[i
].scan_time
= 0;
1452 if (mwifiex_set_user_scan_ioctl(priv
, scan_req
)) {
1456 if (mwifiex_inform_bss_from_scan_result(priv
, NULL
))
1459 priv
->scan_result_status
= ret
;
1460 dev_dbg(priv
->adapter
->dev
, "info: %s: sending scan results\n",
1462 cfg80211_scan_done(priv
->scan_request
,
1463 (priv
->scan_result_status
< 0));
1464 priv
->scan_request
= NULL
;
1468 if (priv
->assoc_request
) {
1469 if (!priv
->assoc_result
) {
1470 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
,
1472 WLAN_STATUS_SUCCESS
,
1474 dev_dbg(priv
->adapter
->dev
,
1475 "info: associated to bssid %pM successfully\n",
1478 dev_dbg(priv
->adapter
->dev
,
1479 "info: association to bssid %pM failed\n",
1481 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1483 priv
->assoc_request
= 0;
1484 priv
->assoc_result
= 0;
1487 if (priv
->ibss_join_request
) {
1488 if (!priv
->ibss_join_result
) {
1489 cfg80211_ibss_joined(priv
->netdev
, priv
->cfg_bssid
,
1491 dev_dbg(priv
->adapter
->dev
,
1492 "info: joined/created adhoc network with bssid"
1493 " %pM successfully\n", priv
->cfg_bssid
);
1495 dev_dbg(priv
->adapter
->dev
,
1496 "info: failed creating/joining adhoc network\n");
1498 priv
->ibss_join_request
= 0;
1499 priv
->ibss_join_result
= 0;
1502 if (priv
->disconnect
) {
1503 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1504 priv
->disconnect
= 0;