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 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
28 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
29 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
30 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
31 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
34 mwifiex_cfg80211_channel_type_to_sec_chan_offset(enum nl80211_channel_type
37 switch (channel_type) {
38 case NL80211_CHAN_NO_HT:
39 case NL80211_CHAN_HT20:
40 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
41 case NL80211_CHAN_HT40PLUS:
42 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
43 case NL80211_CHAN_HT40MINUS:
44 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
46 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
51 * This function checks whether WEP is set.
54 mwifiex_is_alg_wep(u32 cipher)
57 case WLAN_CIPHER_SUITE_WEP40:
58 case WLAN_CIPHER_SUITE_WEP104:
68 * This function retrieves the private structure from kernel wiphy structure.
70 static void *mwifiex_cfg80211_get_priv(struct wiphy *wiphy)
72 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
76 * CFG802.11 operation handler to delete a network key.
79 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
80 u8 key_index, bool pairwise, const u8 *mac_addr)
82 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
84 if (mwifiex_set_encode(priv, NULL, 0, key_index, 1)) {
85 wiphy_err(wiphy, "deleting the crypto keys\n");
89 wiphy_dbg(wiphy, "info: crypto keys deleted\n");
94 * CFG802.11 operation handler to set Tx power.
97 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
98 enum nl80211_tx_power_setting type,
101 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
102 struct mwifiex_power_cfg power_cfg;
103 int dbm = MBM_TO_DBM(mbm);
105 if (type == NL80211_TX_POWER_FIXED) {
106 power_cfg.is_power_auto = 0;
107 power_cfg.power_level = dbm;
109 power_cfg.is_power_auto = 1;
112 return mwifiex_set_tx_power(priv, &power_cfg);
116 * CFG802.11 operation handler to set Power Save option.
118 * The timeout value, if provided, is currently ignored.
121 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
122 struct net_device *dev,
123 bool enabled, int timeout)
125 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
130 "info: ignore timeout value for IEEE Power Save\n");
134 return mwifiex_drv_set_power(priv, &ps_mode);
138 * CFG802.11 operation handler to set the default network key.
141 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
142 u8 key_index, bool unicast,
145 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
147 /* Return if WEP key not configured */
148 if (!priv->sec_info.wep_enabled)
151 if (mwifiex_set_encode(priv, NULL, 0, key_index, 0)) {
152 wiphy_err(wiphy, "set default Tx key index\n");
160 * CFG802.11 operation handler to add a network key.
163 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
164 u8 key_index, bool pairwise, const u8 *mac_addr,
165 struct key_params *params)
167 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
169 if (mwifiex_set_encode(priv, params->key, params->key_len,
171 wiphy_err(wiphy, "crypto keys added\n");
179 * This function sends domain information to the firmware.
181 * The following information are passed to the firmware -
183 * - Sub bands (first channel, number of channels, maximum Tx power)
185 static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
187 u8 no_of_triplet = 0;
188 struct ieee80211_country_ie_triplet *t;
189 u8 no_of_parsed_chan = 0;
190 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
192 enum ieee80211_band band;
193 struct ieee80211_supported_band *sband;
194 struct ieee80211_channel *ch;
195 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
196 struct mwifiex_adapter *adapter = priv->adapter;
197 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
199 /* Set country code */
200 domain_info->country_code[0] = priv->country_code[0];
201 domain_info->country_code[1] = priv->country_code[1];
202 domain_info->country_code[2] = ' ';
204 band = mwifiex_band_to_radio_type(adapter->config_bands);
205 if (!wiphy->bands[band]) {
206 wiphy_err(wiphy, "11D: setting domain info in FW\n");
210 sband = wiphy->bands[band];
212 for (i = 0; i < sband->n_channels ; i++) {
213 ch = &sband->channels[i];
214 if (ch->flags & IEEE80211_CHAN_DISABLED)
219 first_chan = (u32) ch->hw_value;
220 next_chan = first_chan;
221 max_pwr = ch->max_power;
222 no_of_parsed_chan = 1;
226 if (ch->hw_value == next_chan + 1 &&
227 ch->max_power == max_pwr) {
231 t = &domain_info->triplet[no_of_triplet];
232 t->chans.first_channel = first_chan;
233 t->chans.num_channels = no_of_parsed_chan;
234 t->chans.max_power = max_pwr;
236 first_chan = (u32) ch->hw_value;
237 next_chan = first_chan;
238 max_pwr = ch->max_power;
239 no_of_parsed_chan = 1;
244 t = &domain_info->triplet[no_of_triplet];
245 t->chans.first_channel = first_chan;
246 t->chans.num_channels = no_of_parsed_chan;
247 t->chans.max_power = max_pwr;
251 domain_info->no_of_triplet = no_of_triplet;
253 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
254 HostCmd_ACT_GEN_SET, 0, NULL)) {
255 wiphy_err(wiphy, "11D: setting domain info in FW\n");
263 * CFG802.11 regulatory domain callback function.
265 * This function is called when the regulatory domain is changed due to the
266 * following reasons -
268 * - Set by system core
270 * - Set bt Country IE
272 static int mwifiex_reg_notifier(struct wiphy *wiphy,
273 struct regulatory_request *request)
275 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
277 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for domain"
278 " %c%c\n", request->alpha2[0], request->alpha2[1]);
280 memcpy(priv->country_code, request->alpha2, sizeof(request->alpha2));
282 switch (request->initiator) {
283 case NL80211_REGDOM_SET_BY_DRIVER:
284 case NL80211_REGDOM_SET_BY_CORE:
285 case NL80211_REGDOM_SET_BY_USER:
287 /* Todo: apply driver specific changes in channel flags based
288 on the request initiator if necessary. */
289 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
292 mwifiex_send_domain_info_cmd_fw(wiphy);
298 * This function sets the RF channel.
300 * This function creates multiple IOCTL requests, populates them accordingly
301 * and issues them to set the band/channel and frequency.
304 mwifiex_set_rf_channel(struct mwifiex_private *priv,
305 struct ieee80211_channel *chan,
306 enum nl80211_channel_type channel_type)
308 struct mwifiex_chan_freq_power cfp;
309 u32 config_bands = 0;
310 struct wiphy *wiphy = priv->wdev->wiphy;
311 struct mwifiex_adapter *adapter = priv->adapter;
314 /* Set appropriate bands */
315 if (chan->band == IEEE80211_BAND_2GHZ) {
316 if (channel_type == NL80211_CHAN_NO_HT)
317 if (priv->adapter->config_bands == BAND_B ||
318 priv->adapter->config_bands == BAND_G)
320 priv->adapter->config_bands;
322 config_bands = BAND_B | BAND_G;
324 config_bands = BAND_B | BAND_G | BAND_GN;
326 if (channel_type == NL80211_CHAN_NO_HT)
327 config_bands = BAND_A;
329 config_bands = BAND_AN | BAND_A;
332 if (!((config_bands | adapter->fw_bands) &
333 ~adapter->fw_bands)) {
334 adapter->config_bands = config_bands;
335 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
336 adapter->adhoc_start_band = config_bands;
337 if ((config_bands & BAND_GN) ||
338 (config_bands & BAND_AN))
339 adapter->adhoc_11n_enabled = true;
341 adapter->adhoc_11n_enabled = false;
344 adapter->sec_chan_offset =
345 mwifiex_cfg80211_channel_type_to_sec_chan_offset
347 adapter->channel_type = channel_type;
349 mwifiex_send_domain_info_cmd_fw(wiphy);
352 wiphy_dbg(wiphy, "info: setting band %d, chan offset %d, mode %d\n",
353 config_bands, adapter->sec_chan_offset, priv->bss_mode);
357 memset(&cfp, 0, sizeof(cfp));
358 cfp.freq = chan->center_freq;
359 cfp.channel = ieee80211_frequency_to_channel(chan->center_freq);
361 if (mwifiex_bss_set_channel(priv, &cfp))
364 return mwifiex_drv_change_adhoc_chan(priv, cfp.channel);
368 * CFG802.11 operation handler to set channel.
370 * This function can only be used when station is not connected.
373 mwifiex_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev,
374 struct ieee80211_channel *chan,
375 enum nl80211_channel_type channel_type)
377 struct mwifiex_private *priv;
380 priv = mwifiex_netdev_get_priv(dev);
382 priv = mwifiex_cfg80211_get_priv(wiphy);
384 if (priv->media_connected) {
385 wiphy_err(wiphy, "This setting is valid only when station "
386 "is not connected\n");
390 return mwifiex_set_rf_channel(priv, chan, channel_type);
394 * This function sets the fragmentation threshold.
396 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
397 * and MWIFIEX_FRAG_MAX_VALUE.
400 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
404 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
405 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
408 /* Send request to firmware */
409 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
410 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
417 * This function sets the RTS threshold.
419 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
420 * and MWIFIEX_RTS_MAX_VALUE.
423 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
425 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
426 rts_thr = MWIFIEX_RTS_MAX_VALUE;
428 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
429 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
434 * CFG802.11 operation handler to set wiphy parameters.
436 * This function can be used to set the RTS threshold and the
437 * Fragmentation threshold of the driver.
440 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
442 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
445 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
446 ret = mwifiex_set_rts(priv, wiphy->rts_threshold);
451 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
452 ret = mwifiex_set_frag(priv, wiphy->frag_threshold);
458 * CFG802.11 operation handler to change interface type.
461 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
462 struct net_device *dev,
463 enum nl80211_iftype type, u32 *flags,
464 struct vif_params *params)
467 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
469 if (priv->bss_mode == type) {
470 wiphy_warn(wiphy, "already set to required type\n");
474 priv->bss_mode = type;
477 case NL80211_IFTYPE_ADHOC:
478 dev->ieee80211_ptr->iftype = NL80211_IFTYPE_ADHOC;
479 wiphy_dbg(wiphy, "info: setting interface type to adhoc\n");
481 case NL80211_IFTYPE_STATION:
482 dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION;
483 wiphy_dbg(wiphy, "info: setting interface type to managed\n");
485 case NL80211_IFTYPE_UNSPECIFIED:
486 dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION;
487 wiphy_dbg(wiphy, "info: setting interface type to auto\n");
490 wiphy_err(wiphy, "unknown interface type: %d\n", type);
494 mwifiex_deauthenticate(priv, NULL);
496 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
498 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
499 HostCmd_ACT_GEN_SET, 0, NULL);
505 * This function dumps the station information on a buffer.
507 * The following information are shown -
508 * - Total bytes transmitted
509 * - Total bytes received
510 * - Total packets transmitted
511 * - Total packets received
512 * - Signal quality level
513 * - Transmission rate
516 mwifiex_dump_station_info(struct mwifiex_private *priv,
517 struct station_info *sinfo)
519 struct mwifiex_rate_cfg rate;
521 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
522 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
523 STATION_INFO_TX_BITRATE |
524 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
526 /* Get signal information from the firmware */
527 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
528 HostCmd_ACT_GEN_GET, 0, NULL)) {
529 dev_err(priv->adapter->dev, "failed to get signal information\n");
533 if (mwifiex_drv_get_data_rate(priv, &rate)) {
534 dev_err(priv->adapter->dev, "getting data rate\n");
538 /* Get DTIM period information from firmware */
539 mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
540 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
544 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
545 * MCS index values for us are 0 to 7.
547 if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 8)) {
548 sinfo->txrate.mcs = priv->tx_rate;
549 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
551 if (priv->tx_htinfo & BIT(1))
552 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
554 if (priv->tx_htinfo & BIT(2))
555 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
558 sinfo->signal_avg = priv->bcn_rssi_avg;
559 sinfo->rx_bytes = priv->stats.rx_bytes;
560 sinfo->tx_bytes = priv->stats.tx_bytes;
561 sinfo->rx_packets = priv->stats.rx_packets;
562 sinfo->tx_packets = priv->stats.tx_packets;
563 sinfo->signal = priv->bcn_rssi_avg;
564 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
565 sinfo->txrate.legacy = rate.rate * 5;
567 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
568 sinfo->filled |= STATION_INFO_BSS_PARAM;
569 sinfo->bss_param.flags = 0;
570 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
571 WLAN_CAPABILITY_SHORT_PREAMBLE)
572 sinfo->bss_param.flags |=
573 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
574 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
575 WLAN_CAPABILITY_SHORT_SLOT_TIME)
576 sinfo->bss_param.flags |=
577 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
578 sinfo->bss_param.dtim_period = priv->dtim_period;
579 sinfo->bss_param.beacon_interval =
580 priv->curr_bss_params.bss_descriptor.beacon_period;
587 * CFG802.11 operation handler to get station information.
589 * This function only works in connected mode, and dumps the
590 * requested station information, if available.
593 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
594 u8 *mac, struct station_info *sinfo)
596 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
598 if (!priv->media_connected)
600 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
603 return mwifiex_dump_station_info(priv, sinfo);
607 * CFG802.11 operation handler to dump station information.
610 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
611 int idx, u8 *mac, struct station_info *sinfo)
613 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
615 if (!priv->media_connected || idx)
618 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
620 return mwifiex_dump_station_info(priv, sinfo);
623 /* Supported rates to be advertised to the cfg80211 */
625 static struct ieee80211_rate mwifiex_rates[] = {
626 {.bitrate = 10, .hw_value = 2, },
627 {.bitrate = 20, .hw_value = 4, },
628 {.bitrate = 55, .hw_value = 11, },
629 {.bitrate = 110, .hw_value = 22, },
630 {.bitrate = 60, .hw_value = 12, },
631 {.bitrate = 90, .hw_value = 18, },
632 {.bitrate = 120, .hw_value = 24, },
633 {.bitrate = 180, .hw_value = 36, },
634 {.bitrate = 240, .hw_value = 48, },
635 {.bitrate = 360, .hw_value = 72, },
636 {.bitrate = 480, .hw_value = 96, },
637 {.bitrate = 540, .hw_value = 108, },
640 /* Channel definitions to be advertised to cfg80211 */
642 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
643 {.center_freq = 2412, .hw_value = 1, },
644 {.center_freq = 2417, .hw_value = 2, },
645 {.center_freq = 2422, .hw_value = 3, },
646 {.center_freq = 2427, .hw_value = 4, },
647 {.center_freq = 2432, .hw_value = 5, },
648 {.center_freq = 2437, .hw_value = 6, },
649 {.center_freq = 2442, .hw_value = 7, },
650 {.center_freq = 2447, .hw_value = 8, },
651 {.center_freq = 2452, .hw_value = 9, },
652 {.center_freq = 2457, .hw_value = 10, },
653 {.center_freq = 2462, .hw_value = 11, },
654 {.center_freq = 2467, .hw_value = 12, },
655 {.center_freq = 2472, .hw_value = 13, },
656 {.center_freq = 2484, .hw_value = 14, },
659 static struct ieee80211_supported_band mwifiex_band_2ghz = {
660 .channels = mwifiex_channels_2ghz,
661 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
662 .bitrates = mwifiex_rates,
663 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
666 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
667 {.center_freq = 5040, .hw_value = 8, },
668 {.center_freq = 5060, .hw_value = 12, },
669 {.center_freq = 5080, .hw_value = 16, },
670 {.center_freq = 5170, .hw_value = 34, },
671 {.center_freq = 5190, .hw_value = 38, },
672 {.center_freq = 5210, .hw_value = 42, },
673 {.center_freq = 5230, .hw_value = 46, },
674 {.center_freq = 5180, .hw_value = 36, },
675 {.center_freq = 5200, .hw_value = 40, },
676 {.center_freq = 5220, .hw_value = 44, },
677 {.center_freq = 5240, .hw_value = 48, },
678 {.center_freq = 5260, .hw_value = 52, },
679 {.center_freq = 5280, .hw_value = 56, },
680 {.center_freq = 5300, .hw_value = 60, },
681 {.center_freq = 5320, .hw_value = 64, },
682 {.center_freq = 5500, .hw_value = 100, },
683 {.center_freq = 5520, .hw_value = 104, },
684 {.center_freq = 5540, .hw_value = 108, },
685 {.center_freq = 5560, .hw_value = 112, },
686 {.center_freq = 5580, .hw_value = 116, },
687 {.center_freq = 5600, .hw_value = 120, },
688 {.center_freq = 5620, .hw_value = 124, },
689 {.center_freq = 5640, .hw_value = 128, },
690 {.center_freq = 5660, .hw_value = 132, },
691 {.center_freq = 5680, .hw_value = 136, },
692 {.center_freq = 5700, .hw_value = 140, },
693 {.center_freq = 5745, .hw_value = 149, },
694 {.center_freq = 5765, .hw_value = 153, },
695 {.center_freq = 5785, .hw_value = 157, },
696 {.center_freq = 5805, .hw_value = 161, },
697 {.center_freq = 5825, .hw_value = 165, },
700 static struct ieee80211_supported_band mwifiex_band_5ghz = {
701 .channels = mwifiex_channels_5ghz,
702 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
703 .bitrates = mwifiex_rates + 4,
704 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
708 /* Supported crypto cipher suits to be advertised to cfg80211 */
710 static const u32 mwifiex_cipher_suites[] = {
711 WLAN_CIPHER_SUITE_WEP40,
712 WLAN_CIPHER_SUITE_WEP104,
713 WLAN_CIPHER_SUITE_TKIP,
714 WLAN_CIPHER_SUITE_CCMP,
718 * CFG802.11 operation handler for setting bit rates.
720 * Function selects legacy bang B/G/BG from corresponding bitrates selection.
721 * Currently only 2.4GHz band is supported.
723 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
724 struct net_device *dev,
726 const struct cfg80211_bitrate_mask *mask)
728 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
729 int index = 0, mode = 0, i;
730 struct mwifiex_adapter *adapter = priv->adapter;
732 /* Currently only 2.4GHz is supported */
733 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
735 * Rates below 6 Mbps in the table are CCK rates; 802.11b
736 * and from 6 they are OFDM; 802.11G
738 if (mwifiex_rates[i].bitrate == 60) {
744 if (mask->control[IEEE80211_BAND_2GHZ].legacy < index) {
748 if (mask->control[IEEE80211_BAND_2GHZ].legacy % index)
752 if (!((mode | adapter->fw_bands) & ~adapter->fw_bands)) {
753 adapter->config_bands = mode;
754 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
755 adapter->adhoc_start_band = mode;
756 adapter->adhoc_11n_enabled = false;
759 adapter->sec_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
760 adapter->channel_type = NL80211_CHAN_NO_HT;
762 wiphy_debug(wiphy, "info: device configured in 802.11%s%s mode\n",
763 (mode & BAND_B) ? "b" : "", (mode & BAND_G) ? "g" : "");
769 * CFG802.11 operation handler for connection quality monitoring.
771 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
774 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
775 struct net_device *dev,
776 s32 rssi_thold, u32 rssi_hyst)
778 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
779 struct mwifiex_ds_misc_subsc_evt subsc_evt;
781 priv->cqm_rssi_thold = rssi_thold;
782 priv->cqm_rssi_hyst = rssi_hyst;
784 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
785 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
787 /* Subscribe/unsubscribe low and high rssi events */
788 if (rssi_thold && rssi_hyst) {
789 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
790 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
791 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
792 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
793 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
794 return mwifiex_send_cmd_sync(priv,
795 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
798 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
799 return mwifiex_send_cmd_sync(priv,
800 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
808 * CFG802.11 operation handler for disconnection request.
810 * This function does not work when there is already a disconnection
811 * procedure going on.
814 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
817 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
819 if (mwifiex_deauthenticate(priv, NULL))
822 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
823 " reason code %d\n", priv->cfg_bssid, reason_code);
825 memset(priv->cfg_bssid, 0, ETH_ALEN);
831 * This function informs the CFG802.11 subsystem of a new IBSS.
833 * The following information are sent to the CFG802.11 subsystem
834 * to register the new IBSS. If we do not register the new IBSS,
835 * a kernel panic will result.
841 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
843 struct ieee80211_channel *chan;
844 struct mwifiex_bss_info bss_info;
845 struct cfg80211_bss *bss;
847 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
848 enum ieee80211_band band;
850 if (mwifiex_get_bss_info(priv, &bss_info))
853 ie_buf[0] = WLAN_EID_SSID;
854 ie_buf[1] = bss_info.ssid.ssid_len;
856 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
857 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
858 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
860 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
861 chan = __ieee80211_get_channel(priv->wdev->wiphy,
862 ieee80211_channel_to_frequency(bss_info.bss_chan,
865 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
866 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
867 0, ie_buf, ie_len, 0, GFP_KERNEL);
868 cfg80211_put_bss(bss);
869 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
875 * This function connects with a BSS.
877 * This function handles both Infra and Ad-Hoc modes. It also performs
878 * validity checking on the provided parameters, disconnects from the
879 * current BSS (if any), sets up the association/scan parameters,
880 * including security settings, and performs specific SSID scan before
883 * For Infra mode, the function returns failure if the specified SSID
884 * is not found in scan table. However, for Ad-Hoc mode, it can create
885 * the IBSS if it does not exist. On successful completion in either case,
886 * the function notifies the CFG802.11 subsystem of the new BSS connection.
889 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
890 u8 *bssid, int mode, struct ieee80211_channel *channel,
891 struct cfg80211_connect_params *sme, bool privacy)
893 struct cfg80211_ssid req_ssid;
894 int ret, auth_type = 0;
895 struct cfg80211_bss *bss = NULL;
896 u8 is_scanning_required = 0;
898 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
900 req_ssid.ssid_len = ssid_len;
901 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
902 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
906 memcpy(req_ssid.ssid, ssid, ssid_len);
907 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
908 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
912 /* disconnect before try to associate */
913 mwifiex_deauthenticate(priv, NULL);
916 ret = mwifiex_set_rf_channel(priv, channel,
917 priv->adapter->channel_type);
919 /* As this is new association, clear locally stored
920 * keys and security related flags */
921 priv->sec_info.wpa_enabled = false;
922 priv->sec_info.wpa2_enabled = false;
923 priv->wep_key_curr_index = 0;
924 priv->sec_info.encryption_mode = 0;
925 priv->sec_info.is_authtype_auto = 0;
926 ret = mwifiex_set_encode(priv, NULL, 0, 0, 1);
928 if (mode == NL80211_IFTYPE_ADHOC) {
929 /* "privacy" is set only for ad-hoc mode */
932 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
933 * the firmware can find a matching network from the
934 * scan. The cfg80211 does not give us the encryption
935 * mode at this stage so just setting it to WEP here.
937 priv->sec_info.encryption_mode =
938 WLAN_CIPHER_SUITE_WEP104;
939 priv->sec_info.authentication_mode =
940 NL80211_AUTHTYPE_OPEN_SYSTEM;
946 /* Now handle infra mode. "sme" is valid for infra mode only */
947 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
948 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
949 priv->sec_info.is_authtype_auto = 1;
951 auth_type = sme->auth_type;
954 if (sme->crypto.n_ciphers_pairwise) {
955 priv->sec_info.encryption_mode =
956 sme->crypto.ciphers_pairwise[0];
957 priv->sec_info.authentication_mode = auth_type;
960 if (sme->crypto.cipher_group) {
961 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
962 priv->sec_info.authentication_mode = auth_type;
965 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
968 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
969 dev_dbg(priv->adapter->dev,
970 "info: setting wep encryption"
971 " with key len %d\n", sme->key_len);
972 priv->wep_key_curr_index = sme->key_idx;
973 ret = mwifiex_set_encode(priv, sme->key, sme->key_len,
979 * Scan entries are valid for some time (15 sec). So we can save one
980 * active scan time if we just try cfg80211_get_bss first. If it fails
981 * then request scan and cfg80211_get_bss() again for final output.
984 if (is_scanning_required) {
985 /* Do specific SSID scanning */
986 if (mwifiex_request_scan(priv, &req_ssid)) {
987 dev_err(priv->adapter->dev, "scan error\n");
992 /* Find the BSS we want using available scan results */
993 if (mode == NL80211_IFTYPE_ADHOC)
994 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
995 bssid, ssid, ssid_len,
996 WLAN_CAPABILITY_IBSS,
997 WLAN_CAPABILITY_IBSS);
999 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1000 bssid, ssid, ssid_len,
1001 WLAN_CAPABILITY_ESS,
1002 WLAN_CAPABILITY_ESS);
1005 if (is_scanning_required) {
1006 dev_warn(priv->adapter->dev,
1007 "assoc: requested bss not found in scan results\n");
1010 is_scanning_required = 1;
1012 dev_dbg(priv->adapter->dev,
1013 "info: trying to associate to '%s' bssid %pM\n",
1014 (char *) req_ssid.ssid, bss->bssid);
1015 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1020 if (mwifiex_bss_start(priv, bss, &req_ssid))
1023 if (mode == NL80211_IFTYPE_ADHOC) {
1024 /* Inform the BSS information to kernel, otherwise
1025 * kernel will give a panic after successful assoc */
1026 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1034 * CFG802.11 operation handler for association request.
1036 * This function does not work when the current mode is set to Ad-Hoc, or
1037 * when there is already an association procedure going on. The given BSS
1038 * information is used to associate.
1041 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1042 struct cfg80211_connect_params *sme)
1044 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1047 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1048 wiphy_err(wiphy, "received infra assoc request "
1049 "when station is in ibss mode\n");
1053 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
1054 (char *) sme->ssid, sme->bssid);
1056 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
1057 priv->bss_mode, sme->channel, sme, 0);
1060 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1061 NULL, 0, WLAN_STATUS_SUCCESS,
1063 dev_dbg(priv->adapter->dev,
1064 "info: associated to bssid %pM successfully\n",
1067 dev_dbg(priv->adapter->dev,
1068 "info: association to bssid %pM failed\n",
1070 memset(priv->cfg_bssid, 0, ETH_ALEN);
1077 * CFG802.11 operation handler to join an IBSS.
1079 * This function does not work in any mode other than Ad-Hoc, or if
1080 * a join operation is already in progress.
1083 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1084 struct cfg80211_ibss_params *params)
1086 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1089 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
1090 wiphy_err(wiphy, "request to join ibss received "
1091 "when station is not in ibss mode\n");
1095 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1096 (char *) params->ssid, params->bssid);
1098 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
1099 params->bssid, priv->bss_mode,
1100 params->channel, NULL, params->privacy);
1103 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
1104 dev_dbg(priv->adapter->dev,
1105 "info: joined/created adhoc network with bssid"
1106 " %pM successfully\n", priv->cfg_bssid);
1108 dev_dbg(priv->adapter->dev,
1109 "info: failed creating/joining adhoc network\n");
1116 * CFG802.11 operation handler to leave an IBSS.
1118 * This function does not work if a leave operation is
1119 * already in progress.
1122 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1124 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1126 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1128 if (mwifiex_deauthenticate(priv, NULL))
1131 memset(priv->cfg_bssid, 0, ETH_ALEN);
1137 * CFG802.11 operation handler for scan request.
1139 * This function issues a scan request to the firmware based upon
1140 * the user specified scan configuration. On successfull completion,
1141 * it also informs the results.
1144 mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev,
1145 struct cfg80211_scan_request *request)
1147 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1149 struct ieee80211_channel *chan;
1151 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1153 priv->scan_request = request;
1155 priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
1157 if (!priv->user_scan_cfg) {
1158 dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
1162 priv->user_scan_cfg->num_ssids = request->n_ssids;
1163 priv->user_scan_cfg->ssid_list = request->ssids;
1165 if (request->ie && request->ie_len) {
1166 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1167 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1169 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
1170 memcpy(&priv->vs_ie[i].ie, request->ie,
1176 for (i = 0; i < request->n_channels; i++) {
1177 chan = request->channels[i];
1178 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1179 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
1181 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
1182 priv->user_scan_cfg->chan_list[i].scan_type =
1183 MWIFIEX_SCAN_TYPE_PASSIVE;
1185 priv->user_scan_cfg->chan_list[i].scan_type =
1186 MWIFIEX_SCAN_TYPE_ACTIVE;
1188 priv->user_scan_cfg->chan_list[i].scan_time = 0;
1190 if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg))
1193 if (request->ie && request->ie_len) {
1194 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1195 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
1196 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
1197 memset(&priv->vs_ie[i].ie, 0,
1198 MWIFIEX_MAX_VSIE_LEN);
1206 * This function sets up the CFG802.11 specific HT capability fields
1207 * with default values.
1209 * The following default values are set -
1210 * - HT Supported = True
1211 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1212 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1213 * - HT Capabilities supported by firmware
1214 * - MCS information, Rx mask = 0xff
1215 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1218 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
1219 struct mwifiex_private *priv)
1222 struct ieee80211_mcs_info mcs_set;
1223 u8 *mcs = (u8 *)&mcs_set;
1224 struct mwifiex_adapter *adapter = priv->adapter;
1226 ht_info->ht_supported = true;
1227 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
1228 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
1230 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
1232 /* Fill HT capability information */
1233 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1234 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1236 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1238 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
1239 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
1241 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
1243 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
1244 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
1246 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
1248 if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
1249 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
1251 ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1253 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
1254 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
1256 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
1258 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
1259 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
1261 rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
1262 /* Set MCS for 1x1 */
1263 memset(mcs, 0xff, rx_mcs_supp);
1264 /* Clear all the other values */
1265 memset(&mcs[rx_mcs_supp], 0,
1266 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
1267 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
1268 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1269 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1270 SETHT_MCS32(mcs_set.rx_mask);
1272 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
1274 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
1278 * create a new virtual interface with the given name
1280 struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1282 enum nl80211_iftype type,
1284 struct vif_params *params)
1286 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
1287 struct mwifiex_adapter *adapter;
1288 struct net_device *dev;
1294 adapter = priv->adapter;
1299 case NL80211_IFTYPE_UNSPECIFIED:
1300 case NL80211_IFTYPE_STATION:
1301 case NL80211_IFTYPE_ADHOC:
1302 if (priv->bss_mode) {
1303 wiphy_err(wiphy, "cannot create multiple"
1304 " station/adhoc interfaces\n");
1308 if (type == NL80211_IFTYPE_UNSPECIFIED)
1309 priv->bss_mode = NL80211_IFTYPE_STATION;
1311 priv->bss_mode = type;
1313 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
1314 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
1315 priv->bss_priority = 0;
1316 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
1321 wiphy_err(wiphy, "type not supported\n");
1325 dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name,
1328 wiphy_err(wiphy, "no memory available for netdevice\n");
1332 dev_net_set(dev, wiphy_net(wiphy));
1333 dev->ieee80211_ptr = priv->wdev;
1334 dev->ieee80211_ptr->iftype = priv->bss_mode;
1335 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
1336 memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
1337 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
1339 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
1340 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
1341 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
1343 mdev_priv = netdev_priv(dev);
1344 *((unsigned long *) mdev_priv) = (unsigned long) priv;
1347 mwifiex_init_priv_params(priv, dev);
1349 SET_NETDEV_DEV(dev, adapter->dev);
1351 /* Register network device */
1352 if (register_netdevice(dev)) {
1353 wiphy_err(wiphy, "cannot register virtual network device\n");
1357 sema_init(&priv->async_sem, 1);
1358 priv->scan_pending_on_block = false;
1360 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
1362 #ifdef CONFIG_DEBUG_FS
1363 mwifiex_dev_debugfs_init(priv);
1367 if (dev && (dev->reg_state == NETREG_UNREGISTERED))
1369 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1373 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
1376 * del_virtual_intf: remove the virtual interface determined by dev
1378 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
1380 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1382 #ifdef CONFIG_DEBUG_FS
1383 mwifiex_dev_debugfs_remove(priv);
1386 if (!netif_queue_stopped(priv->netdev))
1387 netif_stop_queue(priv->netdev);
1389 if (netif_carrier_ok(priv->netdev))
1390 netif_carrier_off(priv->netdev);
1392 if (dev->reg_state == NETREG_REGISTERED)
1393 unregister_netdevice(dev);
1395 if (dev->reg_state == NETREG_UNREGISTERED)
1398 /* Clear the priv in adapter */
1399 priv->netdev = NULL;
1401 priv->media_connected = false;
1403 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1407 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
1409 /* station cfg80211 operations */
1410 static struct cfg80211_ops mwifiex_cfg80211_ops = {
1411 .add_virtual_intf = mwifiex_add_virtual_intf,
1412 .del_virtual_intf = mwifiex_del_virtual_intf,
1413 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
1414 .scan = mwifiex_cfg80211_scan,
1415 .connect = mwifiex_cfg80211_connect,
1416 .disconnect = mwifiex_cfg80211_disconnect,
1417 .get_station = mwifiex_cfg80211_get_station,
1418 .dump_station = mwifiex_cfg80211_dump_station,
1419 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
1420 .set_channel = mwifiex_cfg80211_set_channel,
1421 .join_ibss = mwifiex_cfg80211_join_ibss,
1422 .leave_ibss = mwifiex_cfg80211_leave_ibss,
1423 .add_key = mwifiex_cfg80211_add_key,
1424 .del_key = mwifiex_cfg80211_del_key,
1425 .set_default_key = mwifiex_cfg80211_set_default_key,
1426 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
1427 .set_tx_power = mwifiex_cfg80211_set_tx_power,
1428 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
1429 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
1433 * This function registers the device with CFG802.11 subsystem.
1435 * The function creates the wireless device/wiphy, populates it with
1436 * default parameters and handler function pointers, and finally
1437 * registers the device.
1439 int mwifiex_register_cfg80211(struct mwifiex_private *priv)
1443 struct wireless_dev *wdev;
1444 struct ieee80211_sta_ht_cap *ht_info;
1447 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1449 dev_err(priv->adapter->dev, "%s: allocating wireless device\n",
1454 wiphy_new(&mwifiex_cfg80211_ops,
1455 sizeof(struct mwifiex_private *));
1460 wdev->iftype = NL80211_IFTYPE_STATION;
1461 wdev->wiphy->max_scan_ssids = 10;
1462 wdev->wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
1463 wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1464 BIT(NL80211_IFTYPE_ADHOC);
1466 wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
1467 ht_info = &wdev->wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap;
1468 mwifiex_setup_ht_caps(ht_info, priv);
1470 if (priv->adapter->config_bands & BAND_A) {
1471 wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
1472 ht_info = &wdev->wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap;
1473 mwifiex_setup_ht_caps(ht_info, priv);
1475 wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
1478 /* Initialize cipher suits */
1479 wdev->wiphy->cipher_suites = mwifiex_cipher_suites;
1480 wdev->wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
1482 memcpy(wdev->wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
1483 wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1485 /* Reserve space for mwifiex specific private data for BSS */
1486 wdev->wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
1488 wdev->wiphy->reg_notifier = mwifiex_reg_notifier;
1490 /* Set struct mwifiex_private pointer in wiphy_priv */
1491 wdev_priv = wiphy_priv(wdev->wiphy);
1493 *(unsigned long *) wdev_priv = (unsigned long) priv;
1495 set_wiphy_dev(wdev->wiphy, (struct device *) priv->adapter->dev);
1497 ret = wiphy_register(wdev->wiphy);
1499 dev_err(priv->adapter->dev, "%s: registering cfg80211 device\n",
1501 wiphy_free(wdev->wiphy);
1505 dev_dbg(priv->adapter->dev,
1506 "info: successfully registered wiphy device\n");
1509 country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
1510 if (country_code && regulatory_hint(wdev->wiphy, country_code))
1511 dev_err(priv->adapter->dev,
1512 "%s: regulatory_hint failed\n", __func__);