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.
23 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits
[] = {
25 .max
= 1, .types
= BIT(NL80211_IFTYPE_STATION
),
28 .max
= 1, .types
= BIT(NL80211_IFTYPE_AP
),
32 static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta
= {
33 .limits
= mwifiex_ap_sta_limits
,
34 .num_different_channels
= 1,
35 .n_limits
= ARRAY_SIZE(mwifiex_ap_sta_limits
),
36 .max_interfaces
= MWIFIEX_MAX_BSS_NUM
,
37 .beacon_int_infra_match
= true,
41 * This function maps the nl802.11 channel type into driver channel type.
43 * The mapping is as follows -
44 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
45 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
46 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
47 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
48 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
51 mwifiex_cfg80211_channel_type_to_sec_chan_offset(enum nl80211_channel_type
54 switch (channel_type
) {
55 case NL80211_CHAN_NO_HT
:
56 case NL80211_CHAN_HT20
:
57 return IEEE80211_HT_PARAM_CHA_SEC_NONE
;
58 case NL80211_CHAN_HT40PLUS
:
59 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE
;
60 case NL80211_CHAN_HT40MINUS
:
61 return IEEE80211_HT_PARAM_CHA_SEC_BELOW
;
63 return IEEE80211_HT_PARAM_CHA_SEC_NONE
;
68 * This function checks whether WEP is set.
71 mwifiex_is_alg_wep(u32 cipher
)
74 case WLAN_CIPHER_SUITE_WEP40
:
75 case WLAN_CIPHER_SUITE_WEP104
:
85 * This function retrieves the private structure from kernel wiphy structure.
87 static void *mwifiex_cfg80211_get_adapter(struct wiphy
*wiphy
)
89 return (void *) (*(unsigned long *) wiphy_priv(wiphy
));
93 * CFG802.11 operation handler to delete a network key.
96 mwifiex_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
97 u8 key_index
, bool pairwise
, const u8
*mac_addr
)
99 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
100 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
101 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
103 if (mwifiex_set_encode(priv
, NULL
, 0, key_index
, peer_mac
, 1)) {
104 wiphy_err(wiphy
, "deleting the crypto keys\n");
108 wiphy_dbg(wiphy
, "info: crypto keys deleted\n");
113 * CFG802.11 operation handler to set Tx power.
116 mwifiex_cfg80211_set_tx_power(struct wiphy
*wiphy
,
117 enum nl80211_tx_power_setting type
,
120 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
121 struct mwifiex_private
*priv
;
122 struct mwifiex_power_cfg power_cfg
;
123 int dbm
= MBM_TO_DBM(mbm
);
125 if (type
== NL80211_TX_POWER_FIXED
) {
126 power_cfg
.is_power_auto
= 0;
127 power_cfg
.power_level
= dbm
;
129 power_cfg
.is_power_auto
= 1;
132 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
134 return mwifiex_set_tx_power(priv
, &power_cfg
);
138 * CFG802.11 operation handler to set Power Save option.
140 * The timeout value, if provided, is currently ignored.
143 mwifiex_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
144 struct net_device
*dev
,
145 bool enabled
, int timeout
)
147 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
152 "info: ignore timeout value for IEEE Power Save\n");
156 return mwifiex_drv_set_power(priv
, &ps_mode
);
160 * CFG802.11 operation handler to set the default network key.
163 mwifiex_cfg80211_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
164 u8 key_index
, bool unicast
,
167 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
169 /* Return if WEP key not configured */
170 if (!priv
->sec_info
.wep_enabled
)
173 if (mwifiex_set_encode(priv
, NULL
, 0, key_index
, NULL
, 0)) {
174 wiphy_err(wiphy
, "set default Tx key index\n");
182 * CFG802.11 operation handler to add a network key.
185 mwifiex_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
186 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
187 struct key_params
*params
)
189 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(netdev
);
190 const u8 bc_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
191 const u8
*peer_mac
= pairwise
? mac_addr
: bc_mac
;
193 if (mwifiex_set_encode(priv
, params
->key
, params
->key_len
,
194 key_index
, peer_mac
, 0)) {
195 wiphy_err(wiphy
, "crypto keys added\n");
203 * This function sends domain information to the firmware.
205 * The following information are passed to the firmware -
207 * - Sub bands (first channel, number of channels, maximum Tx power)
209 static int mwifiex_send_domain_info_cmd_fw(struct wiphy
*wiphy
)
211 u8 no_of_triplet
= 0;
212 struct ieee80211_country_ie_triplet
*t
;
213 u8 no_of_parsed_chan
= 0;
214 u8 first_chan
= 0, next_chan
= 0, max_pwr
= 0;
216 enum ieee80211_band band
;
217 struct ieee80211_supported_band
*sband
;
218 struct ieee80211_channel
*ch
;
219 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
220 struct mwifiex_private
*priv
;
221 struct mwifiex_802_11d_domain_reg
*domain_info
= &adapter
->domain_reg
;
223 /* Set country code */
224 domain_info
->country_code
[0] = adapter
->country_code
[0];
225 domain_info
->country_code
[1] = adapter
->country_code
[1];
226 domain_info
->country_code
[2] = ' ';
228 band
= mwifiex_band_to_radio_type(adapter
->config_bands
);
229 if (!wiphy
->bands
[band
]) {
230 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
234 sband
= wiphy
->bands
[band
];
236 for (i
= 0; i
< sband
->n_channels
; i
++) {
237 ch
= &sband
->channels
[i
];
238 if (ch
->flags
& IEEE80211_CHAN_DISABLED
)
243 first_chan
= (u32
) ch
->hw_value
;
244 next_chan
= first_chan
;
245 max_pwr
= ch
->max_power
;
246 no_of_parsed_chan
= 1;
250 if (ch
->hw_value
== next_chan
+ 1 &&
251 ch
->max_power
== max_pwr
) {
255 t
= &domain_info
->triplet
[no_of_triplet
];
256 t
->chans
.first_channel
= first_chan
;
257 t
->chans
.num_channels
= no_of_parsed_chan
;
258 t
->chans
.max_power
= max_pwr
;
260 first_chan
= (u32
) ch
->hw_value
;
261 next_chan
= first_chan
;
262 max_pwr
= ch
->max_power
;
263 no_of_parsed_chan
= 1;
268 t
= &domain_info
->triplet
[no_of_triplet
];
269 t
->chans
.first_channel
= first_chan
;
270 t
->chans
.num_channels
= no_of_parsed_chan
;
271 t
->chans
.max_power
= max_pwr
;
275 domain_info
->no_of_triplet
= no_of_triplet
;
277 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
279 if (mwifiex_send_cmd_async(priv
, HostCmd_CMD_802_11D_DOMAIN_INFO
,
280 HostCmd_ACT_GEN_SET
, 0, NULL
)) {
281 wiphy_err(wiphy
, "11D: setting domain info in FW\n");
289 * CFG802.11 regulatory domain callback function.
291 * This function is called when the regulatory domain is changed due to the
292 * following reasons -
294 * - Set by system core
296 * - Set bt Country IE
298 static int mwifiex_reg_notifier(struct wiphy
*wiphy
,
299 struct regulatory_request
*request
)
301 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
303 wiphy_dbg(wiphy
, "info: cfg80211 regulatory domain callback for %c%c\n",
304 request
->alpha2
[0], request
->alpha2
[1]);
306 memcpy(adapter
->country_code
, request
->alpha2
, sizeof(request
->alpha2
));
308 switch (request
->initiator
) {
309 case NL80211_REGDOM_SET_BY_DRIVER
:
310 case NL80211_REGDOM_SET_BY_CORE
:
311 case NL80211_REGDOM_SET_BY_USER
:
313 /* Todo: apply driver specific changes in channel flags based
314 on the request initiator if necessary. */
315 case NL80211_REGDOM_SET_BY_COUNTRY_IE
:
318 mwifiex_send_domain_info_cmd_fw(wiphy
);
324 * This function sets the RF channel.
326 * This function creates multiple IOCTL requests, populates them accordingly
327 * and issues them to set the band/channel and frequency.
330 mwifiex_set_rf_channel(struct mwifiex_private
*priv
,
331 struct ieee80211_channel
*chan
,
332 enum nl80211_channel_type channel_type
)
334 struct mwifiex_chan_freq_power cfp
;
335 u32 config_bands
= 0;
336 struct wiphy
*wiphy
= priv
->wdev
->wiphy
;
337 struct mwifiex_adapter
*adapter
= priv
->adapter
;
340 /* Set appropriate bands */
341 if (chan
->band
== IEEE80211_BAND_2GHZ
) {
342 if (channel_type
== NL80211_CHAN_NO_HT
)
343 if (priv
->adapter
->config_bands
== BAND_B
||
344 priv
->adapter
->config_bands
== BAND_G
)
346 priv
->adapter
->config_bands
;
348 config_bands
= BAND_B
| BAND_G
;
350 config_bands
= BAND_B
| BAND_G
| BAND_GN
;
352 if (channel_type
== NL80211_CHAN_NO_HT
)
353 config_bands
= BAND_A
;
355 config_bands
= BAND_AN
| BAND_A
;
358 if (!((config_bands
| adapter
->fw_bands
) &
359 ~adapter
->fw_bands
)) {
360 adapter
->config_bands
= config_bands
;
361 if (priv
->bss_mode
== NL80211_IFTYPE_ADHOC
) {
362 adapter
->adhoc_start_band
= config_bands
;
363 if ((config_bands
& BAND_GN
) ||
364 (config_bands
& BAND_AN
))
365 adapter
->adhoc_11n_enabled
= true;
367 adapter
->adhoc_11n_enabled
= false;
370 adapter
->sec_chan_offset
=
371 mwifiex_cfg80211_channel_type_to_sec_chan_offset
373 adapter
->channel_type
= channel_type
;
375 mwifiex_send_domain_info_cmd_fw(wiphy
);
378 wiphy_dbg(wiphy
, "info: setting band %d, chan offset %d, mode %d\n",
379 config_bands
, adapter
->sec_chan_offset
, priv
->bss_mode
);
383 memset(&cfp
, 0, sizeof(cfp
));
384 cfp
.freq
= chan
->center_freq
;
385 cfp
.channel
= ieee80211_frequency_to_channel(chan
->center_freq
);
387 if (mwifiex_bss_set_channel(priv
, &cfp
))
390 if (priv
->bss_type
== MWIFIEX_BSS_TYPE_STA
)
391 return mwifiex_drv_change_adhoc_chan(priv
, cfp
.channel
);
393 return mwifiex_uap_set_channel(priv
, cfp
.channel
);
397 * This function sets the fragmentation threshold.
399 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
400 * and MWIFIEX_FRAG_MAX_VALUE.
403 mwifiex_set_frag(struct mwifiex_private
*priv
, u32 frag_thr
)
405 if (frag_thr
< MWIFIEX_FRAG_MIN_VALUE
||
406 frag_thr
> MWIFIEX_FRAG_MAX_VALUE
)
407 frag_thr
= MWIFIEX_FRAG_MAX_VALUE
;
409 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
410 HostCmd_ACT_GEN_SET
, FRAG_THRESH_I
,
415 * This function sets the RTS threshold.
417 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
418 * and MWIFIEX_RTS_MAX_VALUE.
421 mwifiex_set_rts(struct mwifiex_private
*priv
, u32 rts_thr
)
423 if (rts_thr
< MWIFIEX_RTS_MIN_VALUE
|| rts_thr
> MWIFIEX_RTS_MAX_VALUE
)
424 rts_thr
= MWIFIEX_RTS_MAX_VALUE
;
426 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
427 HostCmd_ACT_GEN_SET
, RTS_THRESH_I
,
432 * CFG802.11 operation handler to set wiphy parameters.
434 * This function can be used to set the RTS threshold and the
435 * Fragmentation threshold of the driver.
438 mwifiex_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
440 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
441 struct mwifiex_private
*priv
;
442 struct mwifiex_uap_bss_param
*bss_cfg
;
443 int ret
, bss_started
, i
;
445 for (i
= 0; i
< adapter
->priv_num
; i
++) {
446 priv
= adapter
->priv
[i
];
448 switch (priv
->bss_role
) {
449 case MWIFIEX_BSS_ROLE_UAP
:
450 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
),
455 mwifiex_set_sys_config_invalid_data(bss_cfg
);
457 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
458 bss_cfg
->rts_threshold
= wiphy
->rts_threshold
;
459 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
460 bss_cfg
->frag_threshold
= wiphy
->frag_threshold
;
461 if (changed
& WIPHY_PARAM_RETRY_LONG
)
462 bss_cfg
->retry_limit
= wiphy
->retry_long
;
464 bss_started
= priv
->bss_started
;
466 ret
= mwifiex_send_cmd_sync(priv
,
467 HostCmd_CMD_UAP_BSS_STOP
,
468 HostCmd_ACT_GEN_SET
, 0,
471 wiphy_err(wiphy
, "Failed to stop the BSS\n");
476 ret
= mwifiex_send_cmd_async(priv
,
477 HostCmd_CMD_UAP_SYS_CONFIG
,
479 UAP_BSS_PARAMS_I
, bss_cfg
);
484 wiphy_err(wiphy
, "Failed to set bss config\n");
491 ret
= mwifiex_send_cmd_async(priv
,
492 HostCmd_CMD_UAP_BSS_START
,
493 HostCmd_ACT_GEN_SET
, 0,
496 wiphy_err(wiphy
, "Failed to start BSS\n");
501 case MWIFIEX_BSS_ROLE_STA
:
502 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
503 ret
= mwifiex_set_rts(priv
,
504 wiphy
->rts_threshold
);
508 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
509 ret
= mwifiex_set_frag(priv
,
510 wiphy
->frag_threshold
);
522 * CFG802.11 operation handler to change interface type.
525 mwifiex_cfg80211_change_virtual_intf(struct wiphy
*wiphy
,
526 struct net_device
*dev
,
527 enum nl80211_iftype type
, u32
*flags
,
528 struct vif_params
*params
)
531 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
533 switch (dev
->ieee80211_ptr
->iftype
) {
534 case NL80211_IFTYPE_ADHOC
:
536 case NL80211_IFTYPE_STATION
:
538 case NL80211_IFTYPE_UNSPECIFIED
:
539 wiphy_warn(wiphy
, "%s: kept type as IBSS\n", dev
->name
);
540 case NL80211_IFTYPE_ADHOC
: /* This shouldn't happen */
542 case NL80211_IFTYPE_AP
:
544 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
549 case NL80211_IFTYPE_STATION
:
551 case NL80211_IFTYPE_ADHOC
:
553 case NL80211_IFTYPE_UNSPECIFIED
:
554 wiphy_warn(wiphy
, "%s: kept type as STA\n", dev
->name
);
555 case NL80211_IFTYPE_STATION
: /* This shouldn't happen */
557 case NL80211_IFTYPE_AP
:
559 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
564 case NL80211_IFTYPE_AP
:
566 case NL80211_IFTYPE_UNSPECIFIED
:
567 wiphy_warn(wiphy
, "%s: kept type as AP\n", dev
->name
);
568 case NL80211_IFTYPE_AP
: /* This shouldn't happen */
570 case NL80211_IFTYPE_ADHOC
:
571 case NL80211_IFTYPE_STATION
:
573 wiphy_err(wiphy
, "%s: changing to %d not supported\n",
579 wiphy_err(wiphy
, "%s: unknown iftype: %d\n",
580 dev
->name
, dev
->ieee80211_ptr
->iftype
);
584 dev
->ieee80211_ptr
->iftype
= type
;
585 priv
->bss_mode
= type
;
586 mwifiex_deauthenticate(priv
, NULL
);
588 priv
->sec_info
.authentication_mode
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
590 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_SET_BSS_MODE
,
591 HostCmd_ACT_GEN_SET
, 0, NULL
);
597 * This function dumps the station information on a buffer.
599 * The following information are shown -
600 * - Total bytes transmitted
601 * - Total bytes received
602 * - Total packets transmitted
603 * - Total packets received
604 * - Signal quality level
605 * - Transmission rate
608 mwifiex_dump_station_info(struct mwifiex_private
*priv
,
609 struct station_info
*sinfo
)
611 struct mwifiex_rate_cfg rate
;
613 sinfo
->filled
= STATION_INFO_RX_BYTES
| STATION_INFO_TX_BYTES
|
614 STATION_INFO_RX_PACKETS
| STATION_INFO_TX_PACKETS
|
615 STATION_INFO_TX_BITRATE
|
616 STATION_INFO_SIGNAL
| STATION_INFO_SIGNAL_AVG
;
618 /* Get signal information from the firmware */
619 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_RSSI_INFO
,
620 HostCmd_ACT_GEN_GET
, 0, NULL
)) {
621 dev_err(priv
->adapter
->dev
, "failed to get signal information\n");
625 if (mwifiex_drv_get_data_rate(priv
, &rate
)) {
626 dev_err(priv
->adapter
->dev
, "getting data rate\n");
630 /* Get DTIM period information from firmware */
631 mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_SNMP_MIB
,
632 HostCmd_ACT_GEN_GET
, DTIM_PERIOD_I
,
636 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
637 * MCS index values for us are 0 to 7.
639 if ((priv
->tx_htinfo
& BIT(0)) && (priv
->tx_rate
< 8)) {
640 sinfo
->txrate
.mcs
= priv
->tx_rate
;
641 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
643 if (priv
->tx_htinfo
& BIT(1))
644 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
646 if (priv
->tx_htinfo
& BIT(2))
647 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
650 sinfo
->signal_avg
= priv
->bcn_rssi_avg
;
651 sinfo
->rx_bytes
= priv
->stats
.rx_bytes
;
652 sinfo
->tx_bytes
= priv
->stats
.tx_bytes
;
653 sinfo
->rx_packets
= priv
->stats
.rx_packets
;
654 sinfo
->tx_packets
= priv
->stats
.tx_packets
;
655 sinfo
->signal
= priv
->bcn_rssi_avg
;
656 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
657 sinfo
->txrate
.legacy
= rate
.rate
* 5;
659 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
) {
660 sinfo
->filled
|= STATION_INFO_BSS_PARAM
;
661 sinfo
->bss_param
.flags
= 0;
662 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
663 WLAN_CAPABILITY_SHORT_PREAMBLE
)
664 sinfo
->bss_param
.flags
|=
665 BSS_PARAM_FLAGS_SHORT_PREAMBLE
;
666 if (priv
->curr_bss_params
.bss_descriptor
.cap_info_bitmap
&
667 WLAN_CAPABILITY_SHORT_SLOT_TIME
)
668 sinfo
->bss_param
.flags
|=
669 BSS_PARAM_FLAGS_SHORT_SLOT_TIME
;
670 sinfo
->bss_param
.dtim_period
= priv
->dtim_period
;
671 sinfo
->bss_param
.beacon_interval
=
672 priv
->curr_bss_params
.bss_descriptor
.beacon_period
;
679 * CFG802.11 operation handler to get station information.
681 * This function only works in connected mode, and dumps the
682 * requested station information, if available.
685 mwifiex_cfg80211_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
686 u8
*mac
, struct station_info
*sinfo
)
688 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
690 if (!priv
->media_connected
)
692 if (memcmp(mac
, priv
->cfg_bssid
, ETH_ALEN
))
695 return mwifiex_dump_station_info(priv
, sinfo
);
699 * CFG802.11 operation handler to dump station information.
702 mwifiex_cfg80211_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
703 int idx
, u8
*mac
, struct station_info
*sinfo
)
705 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
707 if (!priv
->media_connected
|| idx
)
710 memcpy(mac
, priv
->cfg_bssid
, ETH_ALEN
);
712 return mwifiex_dump_station_info(priv
, sinfo
);
715 /* Supported rates to be advertised to the cfg80211 */
717 static struct ieee80211_rate mwifiex_rates
[] = {
718 {.bitrate
= 10, .hw_value
= 2, },
719 {.bitrate
= 20, .hw_value
= 4, },
720 {.bitrate
= 55, .hw_value
= 11, },
721 {.bitrate
= 110, .hw_value
= 22, },
722 {.bitrate
= 60, .hw_value
= 12, },
723 {.bitrate
= 90, .hw_value
= 18, },
724 {.bitrate
= 120, .hw_value
= 24, },
725 {.bitrate
= 180, .hw_value
= 36, },
726 {.bitrate
= 240, .hw_value
= 48, },
727 {.bitrate
= 360, .hw_value
= 72, },
728 {.bitrate
= 480, .hw_value
= 96, },
729 {.bitrate
= 540, .hw_value
= 108, },
732 /* Channel definitions to be advertised to cfg80211 */
734 static struct ieee80211_channel mwifiex_channels_2ghz
[] = {
735 {.center_freq
= 2412, .hw_value
= 1, },
736 {.center_freq
= 2417, .hw_value
= 2, },
737 {.center_freq
= 2422, .hw_value
= 3, },
738 {.center_freq
= 2427, .hw_value
= 4, },
739 {.center_freq
= 2432, .hw_value
= 5, },
740 {.center_freq
= 2437, .hw_value
= 6, },
741 {.center_freq
= 2442, .hw_value
= 7, },
742 {.center_freq
= 2447, .hw_value
= 8, },
743 {.center_freq
= 2452, .hw_value
= 9, },
744 {.center_freq
= 2457, .hw_value
= 10, },
745 {.center_freq
= 2462, .hw_value
= 11, },
746 {.center_freq
= 2467, .hw_value
= 12, },
747 {.center_freq
= 2472, .hw_value
= 13, },
748 {.center_freq
= 2484, .hw_value
= 14, },
751 static struct ieee80211_supported_band mwifiex_band_2ghz
= {
752 .channels
= mwifiex_channels_2ghz
,
753 .n_channels
= ARRAY_SIZE(mwifiex_channels_2ghz
),
754 .bitrates
= mwifiex_rates
,
755 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
),
758 static struct ieee80211_channel mwifiex_channels_5ghz
[] = {
759 {.center_freq
= 5040, .hw_value
= 8, },
760 {.center_freq
= 5060, .hw_value
= 12, },
761 {.center_freq
= 5080, .hw_value
= 16, },
762 {.center_freq
= 5170, .hw_value
= 34, },
763 {.center_freq
= 5190, .hw_value
= 38, },
764 {.center_freq
= 5210, .hw_value
= 42, },
765 {.center_freq
= 5230, .hw_value
= 46, },
766 {.center_freq
= 5180, .hw_value
= 36, },
767 {.center_freq
= 5200, .hw_value
= 40, },
768 {.center_freq
= 5220, .hw_value
= 44, },
769 {.center_freq
= 5240, .hw_value
= 48, },
770 {.center_freq
= 5260, .hw_value
= 52, },
771 {.center_freq
= 5280, .hw_value
= 56, },
772 {.center_freq
= 5300, .hw_value
= 60, },
773 {.center_freq
= 5320, .hw_value
= 64, },
774 {.center_freq
= 5500, .hw_value
= 100, },
775 {.center_freq
= 5520, .hw_value
= 104, },
776 {.center_freq
= 5540, .hw_value
= 108, },
777 {.center_freq
= 5560, .hw_value
= 112, },
778 {.center_freq
= 5580, .hw_value
= 116, },
779 {.center_freq
= 5600, .hw_value
= 120, },
780 {.center_freq
= 5620, .hw_value
= 124, },
781 {.center_freq
= 5640, .hw_value
= 128, },
782 {.center_freq
= 5660, .hw_value
= 132, },
783 {.center_freq
= 5680, .hw_value
= 136, },
784 {.center_freq
= 5700, .hw_value
= 140, },
785 {.center_freq
= 5745, .hw_value
= 149, },
786 {.center_freq
= 5765, .hw_value
= 153, },
787 {.center_freq
= 5785, .hw_value
= 157, },
788 {.center_freq
= 5805, .hw_value
= 161, },
789 {.center_freq
= 5825, .hw_value
= 165, },
792 static struct ieee80211_supported_band mwifiex_band_5ghz
= {
793 .channels
= mwifiex_channels_5ghz
,
794 .n_channels
= ARRAY_SIZE(mwifiex_channels_5ghz
),
795 .bitrates
= mwifiex_rates
+ 4,
796 .n_bitrates
= ARRAY_SIZE(mwifiex_rates
) - 4,
800 /* Supported crypto cipher suits to be advertised to cfg80211 */
802 static const u32 mwifiex_cipher_suites
[] = {
803 WLAN_CIPHER_SUITE_WEP40
,
804 WLAN_CIPHER_SUITE_WEP104
,
805 WLAN_CIPHER_SUITE_TKIP
,
806 WLAN_CIPHER_SUITE_CCMP
,
810 * CFG802.11 operation handler for setting bit rates.
812 * Function selects legacy bang B/G/BG from corresponding bitrates selection.
813 * Currently only 2.4GHz band is supported.
815 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy
*wiphy
,
816 struct net_device
*dev
,
818 const struct cfg80211_bitrate_mask
*mask
)
820 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
821 int index
= 0, mode
= 0, i
;
822 struct mwifiex_adapter
*adapter
= priv
->adapter
;
824 /* Currently only 2.4GHz is supported */
825 for (i
= 0; i
< mwifiex_band_2ghz
.n_bitrates
; i
++) {
827 * Rates below 6 Mbps in the table are CCK rates; 802.11b
828 * and from 6 they are OFDM; 802.11G
830 if (mwifiex_rates
[i
].bitrate
== 60) {
836 if (mask
->control
[IEEE80211_BAND_2GHZ
].legacy
< index
) {
840 if (mask
->control
[IEEE80211_BAND_2GHZ
].legacy
% index
)
844 if (!((mode
| adapter
->fw_bands
) & ~adapter
->fw_bands
)) {
845 adapter
->config_bands
= mode
;
846 if (priv
->bss_mode
== NL80211_IFTYPE_ADHOC
) {
847 adapter
->adhoc_start_band
= mode
;
848 adapter
->adhoc_11n_enabled
= false;
851 adapter
->sec_chan_offset
= IEEE80211_HT_PARAM_CHA_SEC_NONE
;
852 adapter
->channel_type
= NL80211_CHAN_NO_HT
;
854 wiphy_debug(wiphy
, "info: device configured in 802.11%s%s mode\n",
855 (mode
& BAND_B
) ? "b" : "", (mode
& BAND_G
) ? "g" : "");
861 * CFG802.11 operation handler for connection quality monitoring.
863 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
866 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy
*wiphy
,
867 struct net_device
*dev
,
868 s32 rssi_thold
, u32 rssi_hyst
)
870 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
871 struct mwifiex_ds_misc_subsc_evt subsc_evt
;
873 priv
->cqm_rssi_thold
= rssi_thold
;
874 priv
->cqm_rssi_hyst
= rssi_hyst
;
876 memset(&subsc_evt
, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt
));
877 subsc_evt
.events
= BITMASK_BCN_RSSI_LOW
| BITMASK_BCN_RSSI_HIGH
;
879 /* Subscribe/unsubscribe low and high rssi events */
880 if (rssi_thold
&& rssi_hyst
) {
881 subsc_evt
.action
= HostCmd_ACT_BITWISE_SET
;
882 subsc_evt
.bcn_l_rssi_cfg
.abs_value
= abs(rssi_thold
);
883 subsc_evt
.bcn_h_rssi_cfg
.abs_value
= abs(rssi_thold
);
884 subsc_evt
.bcn_l_rssi_cfg
.evt_freq
= 1;
885 subsc_evt
.bcn_h_rssi_cfg
.evt_freq
= 1;
886 return mwifiex_send_cmd_sync(priv
,
887 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
890 subsc_evt
.action
= HostCmd_ACT_BITWISE_CLR
;
891 return mwifiex_send_cmd_sync(priv
,
892 HostCmd_CMD_802_11_SUBSCRIBE_EVENT
,
899 /* cfg80211 operation handler for stop ap.
900 * Function stops BSS running at uAP interface.
902 static int mwifiex_cfg80211_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
904 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
906 if (mwifiex_del_mgmt_ies(priv
))
907 wiphy_err(wiphy
, "Failed to delete mgmt IEs!\n");
909 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_UAP_BSS_STOP
,
910 HostCmd_ACT_GEN_SET
, 0, NULL
)) {
911 wiphy_err(wiphy
, "Failed to stop the BSS\n");
918 /* cfg80211 operation handler for start_ap.
919 * Function sets beacon period, DTIM period, SSID and security into
920 * AP config structure.
921 * AP is configured with these settings and BSS is started.
923 static int mwifiex_cfg80211_start_ap(struct wiphy
*wiphy
,
924 struct net_device
*dev
,
925 struct cfg80211_ap_settings
*params
)
927 struct mwifiex_uap_bss_param
*bss_cfg
;
928 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
930 if (priv
->bss_type
!= MWIFIEX_BSS_TYPE_UAP
)
932 if (mwifiex_set_mgmt_ies(priv
, params
))
935 bss_cfg
= kzalloc(sizeof(struct mwifiex_uap_bss_param
), GFP_KERNEL
);
939 mwifiex_set_sys_config_invalid_data(bss_cfg
);
941 if (params
->beacon_interval
)
942 bss_cfg
->beacon_period
= params
->beacon_interval
;
943 if (params
->dtim_period
)
944 bss_cfg
->dtim_period
= params
->dtim_period
;
946 if (params
->ssid
&& params
->ssid_len
) {
947 memcpy(bss_cfg
->ssid
.ssid
, params
->ssid
, params
->ssid_len
);
948 bss_cfg
->ssid
.ssid_len
= params
->ssid_len
;
951 switch (params
->hidden_ssid
) {
952 case NL80211_HIDDEN_SSID_NOT_IN_USE
:
953 bss_cfg
->bcast_ssid_ctl
= 1;
955 case NL80211_HIDDEN_SSID_ZERO_LEN
:
956 bss_cfg
->bcast_ssid_ctl
= 0;
958 case NL80211_HIDDEN_SSID_ZERO_CONTENTS
:
959 /* firmware doesn't support this type of hidden SSID */
964 if (mwifiex_set_secure_params(priv
, bss_cfg
, params
)) {
966 wiphy_err(wiphy
, "Failed to parse secuirty parameters!\n");
970 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_UAP_BSS_STOP
,
971 HostCmd_ACT_GEN_SET
, 0, NULL
)) {
972 wiphy_err(wiphy
, "Failed to stop the BSS\n");
977 if (mwifiex_send_cmd_async(priv
, HostCmd_CMD_UAP_SYS_CONFIG
,
979 UAP_BSS_PARAMS_I
, bss_cfg
)) {
980 wiphy_err(wiphy
, "Failed to set the SSID\n");
987 if (mwifiex_send_cmd_async(priv
, HostCmd_CMD_UAP_BSS_START
,
988 HostCmd_ACT_GEN_SET
, 0, NULL
)) {
989 wiphy_err(wiphy
, "Failed to start the BSS\n");
997 * CFG802.11 operation handler for disconnection request.
999 * This function does not work when there is already a disconnection
1000 * procedure going on.
1003 mwifiex_cfg80211_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
1006 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1008 if (mwifiex_deauthenticate(priv
, NULL
))
1011 wiphy_dbg(wiphy
, "info: successfully disconnected from %pM:"
1012 " reason code %d\n", priv
->cfg_bssid
, reason_code
);
1014 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1020 * This function informs the CFG802.11 subsystem of a new IBSS.
1022 * The following information are sent to the CFG802.11 subsystem
1023 * to register the new IBSS. If we do not register the new IBSS,
1024 * a kernel panic will result.
1030 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private
*priv
)
1032 struct ieee80211_channel
*chan
;
1033 struct mwifiex_bss_info bss_info
;
1034 struct cfg80211_bss
*bss
;
1036 u8 ie_buf
[IEEE80211_MAX_SSID_LEN
+ sizeof(struct ieee_types_header
)];
1037 enum ieee80211_band band
;
1039 if (mwifiex_get_bss_info(priv
, &bss_info
))
1042 ie_buf
[0] = WLAN_EID_SSID
;
1043 ie_buf
[1] = bss_info
.ssid
.ssid_len
;
1045 memcpy(&ie_buf
[sizeof(struct ieee_types_header
)],
1046 &bss_info
.ssid
.ssid
, bss_info
.ssid
.ssid_len
);
1047 ie_len
= ie_buf
[1] + sizeof(struct ieee_types_header
);
1049 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
1050 chan
= __ieee80211_get_channel(priv
->wdev
->wiphy
,
1051 ieee80211_channel_to_frequency(bss_info
.bss_chan
,
1054 bss
= cfg80211_inform_bss(priv
->wdev
->wiphy
, chan
,
1055 bss_info
.bssid
, 0, WLAN_CAPABILITY_IBSS
,
1056 0, ie_buf
, ie_len
, 0, GFP_KERNEL
);
1057 cfg80211_put_bss(bss
);
1058 memcpy(priv
->cfg_bssid
, bss_info
.bssid
, ETH_ALEN
);
1064 * This function connects with a BSS.
1066 * This function handles both Infra and Ad-Hoc modes. It also performs
1067 * validity checking on the provided parameters, disconnects from the
1068 * current BSS (if any), sets up the association/scan parameters,
1069 * including security settings, and performs specific SSID scan before
1070 * trying to connect.
1072 * For Infra mode, the function returns failure if the specified SSID
1073 * is not found in scan table. However, for Ad-Hoc mode, it can create
1074 * the IBSS if it does not exist. On successful completion in either case,
1075 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1078 mwifiex_cfg80211_assoc(struct mwifiex_private
*priv
, size_t ssid_len
, u8
*ssid
,
1079 u8
*bssid
, int mode
, struct ieee80211_channel
*channel
,
1080 struct cfg80211_connect_params
*sme
, bool privacy
)
1082 struct cfg80211_ssid req_ssid
;
1083 int ret
, auth_type
= 0;
1084 struct cfg80211_bss
*bss
= NULL
;
1085 u8 is_scanning_required
= 0;
1087 memset(&req_ssid
, 0, sizeof(struct cfg80211_ssid
));
1089 req_ssid
.ssid_len
= ssid_len
;
1090 if (ssid_len
> IEEE80211_MAX_SSID_LEN
) {
1091 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1095 memcpy(req_ssid
.ssid
, ssid
, ssid_len
);
1096 if (!req_ssid
.ssid_len
|| req_ssid
.ssid
[0] < 0x20) {
1097 dev_err(priv
->adapter
->dev
, "invalid SSID - aborting\n");
1101 /* disconnect before try to associate */
1102 mwifiex_deauthenticate(priv
, NULL
);
1105 ret
= mwifiex_set_rf_channel(priv
, channel
,
1106 priv
->adapter
->channel_type
);
1108 /* As this is new association, clear locally stored
1109 * keys and security related flags */
1110 priv
->sec_info
.wpa_enabled
= false;
1111 priv
->sec_info
.wpa2_enabled
= false;
1112 priv
->wep_key_curr_index
= 0;
1113 priv
->sec_info
.encryption_mode
= 0;
1114 priv
->sec_info
.is_authtype_auto
= 0;
1115 ret
= mwifiex_set_encode(priv
, NULL
, 0, 0, NULL
, 1);
1117 if (mode
== NL80211_IFTYPE_ADHOC
) {
1118 /* "privacy" is set only for ad-hoc mode */
1121 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1122 * the firmware can find a matching network from the
1123 * scan. The cfg80211 does not give us the encryption
1124 * mode at this stage so just setting it to WEP here.
1126 priv
->sec_info
.encryption_mode
=
1127 WLAN_CIPHER_SUITE_WEP104
;
1128 priv
->sec_info
.authentication_mode
=
1129 NL80211_AUTHTYPE_OPEN_SYSTEM
;
1135 /* Now handle infra mode. "sme" is valid for infra mode only */
1136 if (sme
->auth_type
== NL80211_AUTHTYPE_AUTOMATIC
) {
1137 auth_type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
1138 priv
->sec_info
.is_authtype_auto
= 1;
1140 auth_type
= sme
->auth_type
;
1143 if (sme
->crypto
.n_ciphers_pairwise
) {
1144 priv
->sec_info
.encryption_mode
=
1145 sme
->crypto
.ciphers_pairwise
[0];
1146 priv
->sec_info
.authentication_mode
= auth_type
;
1149 if (sme
->crypto
.cipher_group
) {
1150 priv
->sec_info
.encryption_mode
= sme
->crypto
.cipher_group
;
1151 priv
->sec_info
.authentication_mode
= auth_type
;
1154 ret
= mwifiex_set_gen_ie(priv
, sme
->ie
, sme
->ie_len
);
1157 if (mwifiex_is_alg_wep(priv
->sec_info
.encryption_mode
)) {
1158 dev_dbg(priv
->adapter
->dev
,
1159 "info: setting wep encryption"
1160 " with key len %d\n", sme
->key_len
);
1161 priv
->wep_key_curr_index
= sme
->key_idx
;
1162 ret
= mwifiex_set_encode(priv
, sme
->key
, sme
->key_len
,
1163 sme
->key_idx
, NULL
, 0);
1168 * Scan entries are valid for some time (15 sec). So we can save one
1169 * active scan time if we just try cfg80211_get_bss first. If it fails
1170 * then request scan and cfg80211_get_bss() again for final output.
1173 if (is_scanning_required
) {
1174 /* Do specific SSID scanning */
1175 if (mwifiex_request_scan(priv
, &req_ssid
)) {
1176 dev_err(priv
->adapter
->dev
, "scan error\n");
1181 /* Find the BSS we want using available scan results */
1182 if (mode
== NL80211_IFTYPE_ADHOC
)
1183 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, channel
,
1184 bssid
, ssid
, ssid_len
,
1185 WLAN_CAPABILITY_IBSS
,
1186 WLAN_CAPABILITY_IBSS
);
1188 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, channel
,
1189 bssid
, ssid
, ssid_len
,
1190 WLAN_CAPABILITY_ESS
,
1191 WLAN_CAPABILITY_ESS
);
1194 if (is_scanning_required
) {
1195 dev_warn(priv
->adapter
->dev
,
1196 "assoc: requested bss not found in scan results\n");
1199 is_scanning_required
= 1;
1201 dev_dbg(priv
->adapter
->dev
,
1202 "info: trying to associate to '%s' bssid %pM\n",
1203 (char *) req_ssid
.ssid
, bss
->bssid
);
1204 memcpy(&priv
->cfg_bssid
, bss
->bssid
, ETH_ALEN
);
1209 if (mwifiex_bss_start(priv
, bss
, &req_ssid
))
1212 if (mode
== NL80211_IFTYPE_ADHOC
) {
1213 /* Inform the BSS information to kernel, otherwise
1214 * kernel will give a panic after successful assoc */
1215 if (mwifiex_cfg80211_inform_ibss_bss(priv
))
1223 * CFG802.11 operation handler for association request.
1225 * This function does not work when the current mode is set to Ad-Hoc, or
1226 * when there is already an association procedure going on. The given BSS
1227 * information is used to associate.
1230 mwifiex_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
1231 struct cfg80211_connect_params
*sme
)
1233 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1236 if (priv
->bss_mode
== NL80211_IFTYPE_ADHOC
) {
1237 wiphy_err(wiphy
, "received infra assoc request "
1238 "when station is in ibss mode\n");
1242 if (priv
->bss_mode
== NL80211_IFTYPE_AP
) {
1243 wiphy_err(wiphy
, "skip association request for AP interface\n");
1247 wiphy_dbg(wiphy
, "info: Trying to associate to %s and bssid %pM\n",
1248 (char *) sme
->ssid
, sme
->bssid
);
1250 ret
= mwifiex_cfg80211_assoc(priv
, sme
->ssid_len
, sme
->ssid
, sme
->bssid
,
1251 priv
->bss_mode
, sme
->channel
, sme
, 0);
1254 cfg80211_connect_result(priv
->netdev
, priv
->cfg_bssid
, NULL
, 0,
1255 NULL
, 0, WLAN_STATUS_SUCCESS
,
1257 dev_dbg(priv
->adapter
->dev
,
1258 "info: associated to bssid %pM successfully\n",
1261 dev_dbg(priv
->adapter
->dev
,
1262 "info: association to bssid %pM failed\n",
1264 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1271 * CFG802.11 operation handler to join an IBSS.
1273 * This function does not work in any mode other than Ad-Hoc, or if
1274 * a join operation is already in progress.
1277 mwifiex_cfg80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1278 struct cfg80211_ibss_params
*params
)
1280 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1283 if (priv
->bss_mode
!= NL80211_IFTYPE_ADHOC
) {
1284 wiphy_err(wiphy
, "request to join ibss received "
1285 "when station is not in ibss mode\n");
1289 wiphy_dbg(wiphy
, "info: trying to join to %s and bssid %pM\n",
1290 (char *) params
->ssid
, params
->bssid
);
1292 ret
= mwifiex_cfg80211_assoc(priv
, params
->ssid_len
, params
->ssid
,
1293 params
->bssid
, priv
->bss_mode
,
1294 params
->channel
, NULL
, params
->privacy
);
1297 cfg80211_ibss_joined(priv
->netdev
, priv
->cfg_bssid
, GFP_KERNEL
);
1298 dev_dbg(priv
->adapter
->dev
,
1299 "info: joined/created adhoc network with bssid"
1300 " %pM successfully\n", priv
->cfg_bssid
);
1302 dev_dbg(priv
->adapter
->dev
,
1303 "info: failed creating/joining adhoc network\n");
1310 * CFG802.11 operation handler to leave an IBSS.
1312 * This function does not work if a leave operation is
1313 * already in progress.
1316 mwifiex_cfg80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
1318 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1320 wiphy_dbg(wiphy
, "info: disconnecting from essid %pM\n",
1322 if (mwifiex_deauthenticate(priv
, NULL
))
1325 memset(priv
->cfg_bssid
, 0, ETH_ALEN
);
1331 * CFG802.11 operation handler for scan request.
1333 * This function issues a scan request to the firmware based upon
1334 * the user specified scan configuration. On successfull completion,
1335 * it also informs the results.
1338 mwifiex_cfg80211_scan(struct wiphy
*wiphy
, struct net_device
*dev
,
1339 struct cfg80211_scan_request
*request
)
1341 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1343 struct ieee80211_channel
*chan
;
1345 wiphy_dbg(wiphy
, "info: received scan request on %s\n", dev
->name
);
1347 priv
->scan_request
= request
;
1349 priv
->user_scan_cfg
= kzalloc(sizeof(struct mwifiex_user_scan_cfg
),
1351 if (!priv
->user_scan_cfg
) {
1352 dev_err(priv
->adapter
->dev
, "failed to alloc scan_req\n");
1356 priv
->user_scan_cfg
->num_ssids
= request
->n_ssids
;
1357 priv
->user_scan_cfg
->ssid_list
= request
->ssids
;
1359 if (request
->ie
&& request
->ie_len
) {
1360 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
1361 if (priv
->vs_ie
[i
].mask
!= MWIFIEX_VSIE_MASK_CLEAR
)
1363 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_SCAN
;
1364 memcpy(&priv
->vs_ie
[i
].ie
, request
->ie
,
1370 for (i
= 0; i
< request
->n_channels
; i
++) {
1371 chan
= request
->channels
[i
];
1372 priv
->user_scan_cfg
->chan_list
[i
].chan_number
= chan
->hw_value
;
1373 priv
->user_scan_cfg
->chan_list
[i
].radio_type
= chan
->band
;
1375 if (chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
)
1376 priv
->user_scan_cfg
->chan_list
[i
].scan_type
=
1377 MWIFIEX_SCAN_TYPE_PASSIVE
;
1379 priv
->user_scan_cfg
->chan_list
[i
].scan_type
=
1380 MWIFIEX_SCAN_TYPE_ACTIVE
;
1382 priv
->user_scan_cfg
->chan_list
[i
].scan_time
= 0;
1384 if (mwifiex_set_user_scan_ioctl(priv
, priv
->user_scan_cfg
))
1387 if (request
->ie
&& request
->ie_len
) {
1388 for (i
= 0; i
< MWIFIEX_MAX_VSIE_NUM
; i
++) {
1389 if (priv
->vs_ie
[i
].mask
== MWIFIEX_VSIE_MASK_SCAN
) {
1390 priv
->vs_ie
[i
].mask
= MWIFIEX_VSIE_MASK_CLEAR
;
1391 memset(&priv
->vs_ie
[i
].ie
, 0,
1392 MWIFIEX_MAX_VSIE_LEN
);
1400 * This function sets up the CFG802.11 specific HT capability fields
1401 * with default values.
1403 * The following default values are set -
1404 * - HT Supported = True
1405 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1406 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1407 * - HT Capabilities supported by firmware
1408 * - MCS information, Rx mask = 0xff
1409 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1412 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap
*ht_info
,
1413 struct mwifiex_private
*priv
)
1416 struct ieee80211_mcs_info mcs_set
;
1417 u8
*mcs
= (u8
*)&mcs_set
;
1418 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1420 ht_info
->ht_supported
= true;
1421 ht_info
->ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
;
1422 ht_info
->ampdu_density
= IEEE80211_HT_MPDU_DENSITY_NONE
;
1424 memset(&ht_info
->mcs
, 0, sizeof(ht_info
->mcs
));
1426 /* Fill HT capability information */
1427 if (ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
1428 ht_info
->cap
|= IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
1430 ht_info
->cap
&= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
1432 if (ISSUPP_SHORTGI20(adapter
->hw_dot_11n_dev_cap
))
1433 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_20
;
1435 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_20
;
1437 if (ISSUPP_SHORTGI40(adapter
->hw_dot_11n_dev_cap
))
1438 ht_info
->cap
|= IEEE80211_HT_CAP_SGI_40
;
1440 ht_info
->cap
&= ~IEEE80211_HT_CAP_SGI_40
;
1442 if (ISSUPP_RXSTBC(adapter
->hw_dot_11n_dev_cap
))
1443 ht_info
->cap
|= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT
;
1445 ht_info
->cap
&= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT
);
1447 if (ISSUPP_TXSTBC(adapter
->hw_dot_11n_dev_cap
))
1448 ht_info
->cap
|= IEEE80211_HT_CAP_TX_STBC
;
1450 ht_info
->cap
&= ~IEEE80211_HT_CAP_TX_STBC
;
1452 ht_info
->cap
&= ~IEEE80211_HT_CAP_MAX_AMSDU
;
1453 ht_info
->cap
|= IEEE80211_HT_CAP_SM_PS
;
1455 rx_mcs_supp
= GET_RXMCSSUPP(adapter
->hw_dev_mcs_support
);
1456 /* Set MCS for 1x1 */
1457 memset(mcs
, 0xff, rx_mcs_supp
);
1458 /* Clear all the other values */
1459 memset(&mcs
[rx_mcs_supp
], 0,
1460 sizeof(struct ieee80211_mcs_info
) - rx_mcs_supp
);
1461 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
||
1462 ISSUPP_CHANWIDTH40(adapter
->hw_dot_11n_dev_cap
))
1463 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1464 SETHT_MCS32(mcs_set
.rx_mask
);
1466 memcpy((u8
*) &ht_info
->mcs
, mcs
, sizeof(struct ieee80211_mcs_info
));
1468 ht_info
->mcs
.tx_params
= IEEE80211_HT_MCS_TX_DEFINED
;
1472 * create a new virtual interface with the given name
1474 struct net_device
*mwifiex_add_virtual_intf(struct wiphy
*wiphy
,
1476 enum nl80211_iftype type
,
1478 struct vif_params
*params
)
1480 struct mwifiex_adapter
*adapter
= mwifiex_cfg80211_get_adapter(wiphy
);
1481 struct mwifiex_private
*priv
;
1482 struct net_device
*dev
;
1484 struct wireless_dev
*wdev
;
1490 case NL80211_IFTYPE_UNSPECIFIED
:
1491 case NL80211_IFTYPE_STATION
:
1492 case NL80211_IFTYPE_ADHOC
:
1493 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_STA
];
1494 if (priv
->bss_mode
) {
1496 "cannot create multiple sta/adhoc ifaces\n");
1500 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
1504 wdev
->wiphy
= wiphy
;
1506 wdev
->iftype
= NL80211_IFTYPE_STATION
;
1508 if (type
== NL80211_IFTYPE_UNSPECIFIED
)
1509 priv
->bss_mode
= NL80211_IFTYPE_STATION
;
1511 priv
->bss_mode
= type
;
1513 priv
->bss_type
= MWIFIEX_BSS_TYPE_STA
;
1514 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
1515 priv
->bss_priority
= MWIFIEX_BSS_ROLE_STA
;
1516 priv
->bss_role
= MWIFIEX_BSS_ROLE_STA
;
1520 case NL80211_IFTYPE_AP
:
1521 priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_UAP
];
1523 if (priv
->bss_mode
) {
1524 wiphy_err(wiphy
, "Can't create multiple AP interfaces");
1528 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
1533 wdev
->wiphy
= wiphy
;
1534 wdev
->iftype
= NL80211_IFTYPE_AP
;
1536 priv
->bss_type
= MWIFIEX_BSS_TYPE_UAP
;
1537 priv
->frame_type
= MWIFIEX_DATA_FRAME_TYPE_ETH_II
;
1538 priv
->bss_priority
= MWIFIEX_BSS_ROLE_UAP
;
1539 priv
->bss_role
= MWIFIEX_BSS_ROLE_UAP
;
1540 priv
->bss_started
= 0;
1542 priv
->bss_mode
= type
;
1546 wiphy_err(wiphy
, "type not supported\n");
1550 dev
= alloc_netdev_mq(sizeof(struct mwifiex_private
*), name
,
1553 wiphy_err(wiphy
, "no memory available for netdevice\n");
1557 mwifiex_init_priv_params(priv
, dev
);
1560 mwifiex_setup_ht_caps(&wiphy
->bands
[IEEE80211_BAND_2GHZ
]->ht_cap
, priv
);
1562 if (adapter
->config_bands
& BAND_A
)
1563 mwifiex_setup_ht_caps(
1564 &wiphy
->bands
[IEEE80211_BAND_5GHZ
]->ht_cap
, priv
);
1566 dev_net_set(dev
, wiphy_net(wiphy
));
1567 dev
->ieee80211_ptr
= priv
->wdev
;
1568 dev
->ieee80211_ptr
->iftype
= priv
->bss_mode
;
1569 memcpy(dev
->dev_addr
, wiphy
->perm_addr
, ETH_ALEN
);
1570 memcpy(dev
->perm_addr
, wiphy
->perm_addr
, ETH_ALEN
);
1571 SET_NETDEV_DEV(dev
, wiphy_dev(wiphy
));
1573 dev
->flags
|= IFF_BROADCAST
| IFF_MULTICAST
;
1574 dev
->watchdog_timeo
= MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT
;
1575 dev
->hard_header_len
+= MWIFIEX_MIN_DATA_HEADER_LEN
;
1577 mdev_priv
= netdev_priv(dev
);
1578 *((unsigned long *) mdev_priv
) = (unsigned long) priv
;
1580 SET_NETDEV_DEV(dev
, adapter
->dev
);
1582 /* Register network device */
1583 if (register_netdevice(dev
)) {
1584 wiphy_err(wiphy
, "cannot register virtual network device\n");
1588 sema_init(&priv
->async_sem
, 1);
1589 priv
->scan_pending_on_block
= false;
1591 dev_dbg(adapter
->dev
, "info: %s: Marvell 802.11 Adapter\n", dev
->name
);
1593 #ifdef CONFIG_DEBUG_FS
1594 mwifiex_dev_debugfs_init(priv
);
1598 if (dev
&& (dev
->reg_state
== NETREG_UNREGISTERED
))
1600 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
1604 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf
);
1607 * del_virtual_intf: remove the virtual interface determined by dev
1609 int mwifiex_del_virtual_intf(struct wiphy
*wiphy
, struct net_device
*dev
)
1611 struct mwifiex_private
*priv
= mwifiex_netdev_get_priv(dev
);
1613 #ifdef CONFIG_DEBUG_FS
1614 mwifiex_dev_debugfs_remove(priv
);
1617 if (!netif_queue_stopped(priv
->netdev
))
1618 netif_stop_queue(priv
->netdev
);
1620 if (netif_carrier_ok(priv
->netdev
))
1621 netif_carrier_off(priv
->netdev
);
1623 if (dev
->reg_state
== NETREG_REGISTERED
)
1624 unregister_netdevice(dev
);
1626 if (dev
->reg_state
== NETREG_UNREGISTERED
)
1629 /* Clear the priv in adapter */
1630 priv
->netdev
= NULL
;
1632 priv
->media_connected
= false;
1634 priv
->bss_mode
= NL80211_IFTYPE_UNSPECIFIED
;
1638 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf
);
1640 /* station cfg80211 operations */
1641 static struct cfg80211_ops mwifiex_cfg80211_ops
= {
1642 .add_virtual_intf
= mwifiex_add_virtual_intf
,
1643 .del_virtual_intf
= mwifiex_del_virtual_intf
,
1644 .change_virtual_intf
= mwifiex_cfg80211_change_virtual_intf
,
1645 .scan
= mwifiex_cfg80211_scan
,
1646 .connect
= mwifiex_cfg80211_connect
,
1647 .disconnect
= mwifiex_cfg80211_disconnect
,
1648 .get_station
= mwifiex_cfg80211_get_station
,
1649 .dump_station
= mwifiex_cfg80211_dump_station
,
1650 .set_wiphy_params
= mwifiex_cfg80211_set_wiphy_params
,
1651 .join_ibss
= mwifiex_cfg80211_join_ibss
,
1652 .leave_ibss
= mwifiex_cfg80211_leave_ibss
,
1653 .add_key
= mwifiex_cfg80211_add_key
,
1654 .del_key
= mwifiex_cfg80211_del_key
,
1655 .set_default_key
= mwifiex_cfg80211_set_default_key
,
1656 .set_power_mgmt
= mwifiex_cfg80211_set_power_mgmt
,
1657 .set_tx_power
= mwifiex_cfg80211_set_tx_power
,
1658 .set_bitrate_mask
= mwifiex_cfg80211_set_bitrate_mask
,
1659 .start_ap
= mwifiex_cfg80211_start_ap
,
1660 .stop_ap
= mwifiex_cfg80211_stop_ap
,
1661 .set_cqm_rssi_config
= mwifiex_cfg80211_set_cqm_rssi_config
,
1665 * This function registers the device with CFG802.11 subsystem.
1667 * The function creates the wireless device/wiphy, populates it with
1668 * default parameters and handler function pointers, and finally
1669 * registers the device.
1672 int mwifiex_register_cfg80211(struct mwifiex_adapter
*adapter
)
1676 struct wiphy
*wiphy
;
1677 struct mwifiex_private
*priv
= adapter
->priv
[MWIFIEX_BSS_TYPE_STA
];
1680 /* create a new wiphy for use with cfg80211 */
1681 wiphy
= wiphy_new(&mwifiex_cfg80211_ops
,
1682 sizeof(struct mwifiex_adapter
*));
1684 dev_err(adapter
->dev
, "%s: creating new wiphy\n", __func__
);
1687 wiphy
->max_scan_ssids
= MWIFIEX_MAX_SSID_LIST_LENGTH
;
1688 wiphy
->max_scan_ie_len
= MWIFIEX_MAX_VSIE_LEN
;
1689 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
1690 BIT(NL80211_IFTYPE_ADHOC
) |
1691 BIT(NL80211_IFTYPE_AP
);
1693 wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &mwifiex_band_2ghz
;
1694 if (adapter
->config_bands
& BAND_A
)
1695 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &mwifiex_band_5ghz
;
1697 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = NULL
;
1699 wiphy
->iface_combinations
= &mwifiex_iface_comb_ap_sta
;
1700 wiphy
->n_iface_combinations
= 1;
1702 /* Initialize cipher suits */
1703 wiphy
->cipher_suites
= mwifiex_cipher_suites
;
1704 wiphy
->n_cipher_suites
= ARRAY_SIZE(mwifiex_cipher_suites
);
1706 memcpy(wiphy
->perm_addr
, priv
->curr_addr
, ETH_ALEN
);
1707 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
1708 wiphy
->flags
|= WIPHY_FLAG_HAVE_AP_SME
| WIPHY_FLAG_CUSTOM_REGULATORY
;
1710 /* Reserve space for mwifiex specific private data for BSS */
1711 wiphy
->bss_priv_size
= sizeof(struct mwifiex_bss_priv
);
1713 wiphy
->reg_notifier
= mwifiex_reg_notifier
;
1715 /* Set struct mwifiex_adapter pointer in wiphy_priv */
1716 wdev_priv
= wiphy_priv(wiphy
);
1717 *(unsigned long *)wdev_priv
= (unsigned long)adapter
;
1719 set_wiphy_dev(wiphy
, (struct device
*)priv
->adapter
->dev
);
1721 ret
= wiphy_register(wiphy
);
1723 dev_err(adapter
->dev
,
1724 "%s: wiphy_register failed: %d\n", __func__
, ret
);
1728 country_code
= mwifiex_11d_code_2_region(priv
->adapter
->region_code
);
1729 if (country_code
&& regulatory_hint(wiphy
, country_code
))
1730 dev_err(adapter
->dev
, "regulatory_hint() failed\n");
1732 adapter
->wiphy
= wiphy
;