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 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
953 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
957 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
958 HostCmd_ACT_GEN_SET, 0, NULL)) {
959 wiphy_err(wiphy, "Failed to stop the BSS\n");
964 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG,
966 UAP_BSS_PARAMS_I, bss_cfg)) {
967 wiphy_err(wiphy, "Failed to set the SSID\n");
974 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START,
975 HostCmd_ACT_GEN_SET, 0, NULL)) {
976 wiphy_err(wiphy, "Failed to start the BSS\n");
984 * CFG802.11 operation handler for disconnection request.
986 * This function does not work when there is already a disconnection
987 * procedure going on.
990 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
993 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
995 if (mwifiex_deauthenticate(priv, NULL))
998 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
999 " reason code %d\n", priv->cfg_bssid, reason_code);
1001 memset(priv->cfg_bssid, 0, ETH_ALEN);
1007 * This function informs the CFG802.11 subsystem of a new IBSS.
1009 * The following information are sent to the CFG802.11 subsystem
1010 * to register the new IBSS. If we do not register the new IBSS,
1011 * a kernel panic will result.
1017 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1019 struct ieee80211_channel *chan;
1020 struct mwifiex_bss_info bss_info;
1021 struct cfg80211_bss *bss;
1023 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1024 enum ieee80211_band band;
1026 if (mwifiex_get_bss_info(priv, &bss_info))
1029 ie_buf[0] = WLAN_EID_SSID;
1030 ie_buf[1] = bss_info.ssid.ssid_len;
1032 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
1033 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
1034 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1036 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1037 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1038 ieee80211_channel_to_frequency(bss_info.bss_chan,
1041 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
1042 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1043 0, ie_buf, ie_len, 0, GFP_KERNEL);
1044 cfg80211_put_bss(bss);
1045 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1051 * This function connects with a BSS.
1053 * This function handles both Infra and Ad-Hoc modes. It also performs
1054 * validity checking on the provided parameters, disconnects from the
1055 * current BSS (if any), sets up the association/scan parameters,
1056 * including security settings, and performs specific SSID scan before
1057 * trying to connect.
1059 * For Infra mode, the function returns failure if the specified SSID
1060 * is not found in scan table. However, for Ad-Hoc mode, it can create
1061 * the IBSS if it does not exist. On successful completion in either case,
1062 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1065 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
1066 u8 *bssid, int mode, struct ieee80211_channel *channel,
1067 struct cfg80211_connect_params *sme, bool privacy)
1069 struct cfg80211_ssid req_ssid;
1070 int ret, auth_type = 0;
1071 struct cfg80211_bss *bss = NULL;
1072 u8 is_scanning_required = 0;
1074 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
1076 req_ssid.ssid_len = ssid_len;
1077 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1078 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1082 memcpy(req_ssid.ssid, ssid, ssid_len);
1083 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1084 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1088 /* disconnect before try to associate */
1089 mwifiex_deauthenticate(priv, NULL);
1092 ret = mwifiex_set_rf_channel(priv, channel,
1093 priv->adapter->channel_type);
1095 /* As this is new association, clear locally stored
1096 * keys and security related flags */
1097 priv->sec_info.wpa_enabled = false;
1098 priv->sec_info.wpa2_enabled = false;
1099 priv->wep_key_curr_index = 0;
1100 priv->sec_info.encryption_mode = 0;
1101 priv->sec_info.is_authtype_auto = 0;
1102 ret = mwifiex_set_encode(priv, NULL, 0, 0, NULL, 1);
1104 if (mode == NL80211_IFTYPE_ADHOC) {
1105 /* "privacy" is set only for ad-hoc mode */
1108 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1109 * the firmware can find a matching network from the
1110 * scan. The cfg80211 does not give us the encryption
1111 * mode at this stage so just setting it to WEP here.
1113 priv->sec_info.encryption_mode =
1114 WLAN_CIPHER_SUITE_WEP104;
1115 priv->sec_info.authentication_mode =
1116 NL80211_AUTHTYPE_OPEN_SYSTEM;
1122 /* Now handle infra mode. "sme" is valid for infra mode only */
1123 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
1124 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1125 priv->sec_info.is_authtype_auto = 1;
1127 auth_type = sme->auth_type;
1130 if (sme->crypto.n_ciphers_pairwise) {
1131 priv->sec_info.encryption_mode =
1132 sme->crypto.ciphers_pairwise[0];
1133 priv->sec_info.authentication_mode = auth_type;
1136 if (sme->crypto.cipher_group) {
1137 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
1138 priv->sec_info.authentication_mode = auth_type;
1141 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1144 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
1145 dev_dbg(priv->adapter->dev,
1146 "info: setting wep encryption"
1147 " with key len %d\n", sme->key_len);
1148 priv->wep_key_curr_index = sme->key_idx;
1149 ret = mwifiex_set_encode(priv, sme->key, sme->key_len,
1150 sme->key_idx, NULL, 0);
1155 * Scan entries are valid for some time (15 sec). So we can save one
1156 * active scan time if we just try cfg80211_get_bss first. If it fails
1157 * then request scan and cfg80211_get_bss() again for final output.
1160 if (is_scanning_required) {
1161 /* Do specific SSID scanning */
1162 if (mwifiex_request_scan(priv, &req_ssid)) {
1163 dev_err(priv->adapter->dev, "scan error\n");
1168 /* Find the BSS we want using available scan results */
1169 if (mode == NL80211_IFTYPE_ADHOC)
1170 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1171 bssid, ssid, ssid_len,
1172 WLAN_CAPABILITY_IBSS,
1173 WLAN_CAPABILITY_IBSS);
1175 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1176 bssid, ssid, ssid_len,
1177 WLAN_CAPABILITY_ESS,
1178 WLAN_CAPABILITY_ESS);
1181 if (is_scanning_required) {
1182 dev_warn(priv->adapter->dev,
1183 "assoc: requested bss not found in scan results\n");
1186 is_scanning_required = 1;
1188 dev_dbg(priv->adapter->dev,
1189 "info: trying to associate to '%s' bssid %pM\n",
1190 (char *) req_ssid.ssid, bss->bssid);
1191 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1196 if (mwifiex_bss_start(priv, bss, &req_ssid))
1199 if (mode == NL80211_IFTYPE_ADHOC) {
1200 /* Inform the BSS information to kernel, otherwise
1201 * kernel will give a panic after successful assoc */
1202 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1210 * CFG802.11 operation handler for association request.
1212 * This function does not work when the current mode is set to Ad-Hoc, or
1213 * when there is already an association procedure going on. The given BSS
1214 * information is used to associate.
1217 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1218 struct cfg80211_connect_params *sme)
1220 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1223 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1224 wiphy_err(wiphy, "received infra assoc request "
1225 "when station is in ibss mode\n");
1229 if (priv->bss_mode == NL80211_IFTYPE_AP) {
1230 wiphy_err(wiphy, "skip association request for AP interface\n");
1234 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
1235 (char *) sme->ssid, sme->bssid);
1237 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
1238 priv->bss_mode, sme->channel, sme, 0);
1241 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1242 NULL, 0, WLAN_STATUS_SUCCESS,
1244 dev_dbg(priv->adapter->dev,
1245 "info: associated to bssid %pM successfully\n",
1248 dev_dbg(priv->adapter->dev,
1249 "info: association to bssid %pM failed\n",
1251 memset(priv->cfg_bssid, 0, ETH_ALEN);
1258 * CFG802.11 operation handler to join an IBSS.
1260 * This function does not work in any mode other than Ad-Hoc, or if
1261 * a join operation is already in progress.
1264 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1265 struct cfg80211_ibss_params *params)
1267 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1270 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
1271 wiphy_err(wiphy, "request to join ibss received "
1272 "when station is not in ibss mode\n");
1276 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1277 (char *) params->ssid, params->bssid);
1279 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
1280 params->bssid, priv->bss_mode,
1281 params->channel, NULL, params->privacy);
1284 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
1285 dev_dbg(priv->adapter->dev,
1286 "info: joined/created adhoc network with bssid"
1287 " %pM successfully\n", priv->cfg_bssid);
1289 dev_dbg(priv->adapter->dev,
1290 "info: failed creating/joining adhoc network\n");
1297 * CFG802.11 operation handler to leave an IBSS.
1299 * This function does not work if a leave operation is
1300 * already in progress.
1303 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1305 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1307 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1309 if (mwifiex_deauthenticate(priv, NULL))
1312 memset(priv->cfg_bssid, 0, ETH_ALEN);
1318 * CFG802.11 operation handler for scan request.
1320 * This function issues a scan request to the firmware based upon
1321 * the user specified scan configuration. On successfull completion,
1322 * it also informs the results.
1325 mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev,
1326 struct cfg80211_scan_request *request)
1328 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1330 struct ieee80211_channel *chan;
1332 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1334 priv->scan_request = request;
1336 priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
1338 if (!priv->user_scan_cfg) {
1339 dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
1343 priv->user_scan_cfg->num_ssids = request->n_ssids;
1344 priv->user_scan_cfg->ssid_list = request->ssids;
1346 if (request->ie && request->ie_len) {
1347 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1348 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1350 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
1351 memcpy(&priv->vs_ie[i].ie, request->ie,
1357 for (i = 0; i < request->n_channels; i++) {
1358 chan = request->channels[i];
1359 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1360 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
1362 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
1363 priv->user_scan_cfg->chan_list[i].scan_type =
1364 MWIFIEX_SCAN_TYPE_PASSIVE;
1366 priv->user_scan_cfg->chan_list[i].scan_type =
1367 MWIFIEX_SCAN_TYPE_ACTIVE;
1369 priv->user_scan_cfg->chan_list[i].scan_time = 0;
1371 if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg))
1374 if (request->ie && request->ie_len) {
1375 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1376 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
1377 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
1378 memset(&priv->vs_ie[i].ie, 0,
1379 MWIFIEX_MAX_VSIE_LEN);
1387 * This function sets up the CFG802.11 specific HT capability fields
1388 * with default values.
1390 * The following default values are set -
1391 * - HT Supported = True
1392 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1393 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1394 * - HT Capabilities supported by firmware
1395 * - MCS information, Rx mask = 0xff
1396 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1399 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
1400 struct mwifiex_private *priv)
1403 struct ieee80211_mcs_info mcs_set;
1404 u8 *mcs = (u8 *)&mcs_set;
1405 struct mwifiex_adapter *adapter = priv->adapter;
1407 ht_info->ht_supported = true;
1408 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
1409 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
1411 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
1413 /* Fill HT capability information */
1414 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1415 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1417 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1419 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
1420 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
1422 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
1424 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
1425 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
1427 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
1429 if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
1430 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
1432 ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1434 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
1435 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
1437 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
1439 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
1440 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
1442 rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
1443 /* Set MCS for 1x1 */
1444 memset(mcs, 0xff, rx_mcs_supp);
1445 /* Clear all the other values */
1446 memset(&mcs[rx_mcs_supp], 0,
1447 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
1448 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
1449 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1450 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1451 SETHT_MCS32(mcs_set.rx_mask);
1453 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
1455 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
1459 * create a new virtual interface with the given name
1461 struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1463 enum nl80211_iftype type,
1465 struct vif_params *params)
1467 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1468 struct mwifiex_private *priv;
1469 struct net_device *dev;
1471 struct wireless_dev *wdev;
1477 case NL80211_IFTYPE_UNSPECIFIED:
1478 case NL80211_IFTYPE_STATION:
1479 case NL80211_IFTYPE_ADHOC:
1480 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
1481 if (priv->bss_mode) {
1483 "cannot create multiple sta/adhoc ifaces\n");
1487 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1491 wdev->wiphy = wiphy;
1493 wdev->iftype = NL80211_IFTYPE_STATION;
1495 if (type == NL80211_IFTYPE_UNSPECIFIED)
1496 priv->bss_mode = NL80211_IFTYPE_STATION;
1498 priv->bss_mode = type;
1500 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
1501 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
1502 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
1503 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
1507 case NL80211_IFTYPE_AP:
1508 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
1510 if (priv->bss_mode) {
1511 wiphy_err(wiphy, "Can't create multiple AP interfaces");
1515 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1520 wdev->wiphy = wiphy;
1521 wdev->iftype = NL80211_IFTYPE_AP;
1523 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
1524 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
1525 priv->bss_priority = MWIFIEX_BSS_ROLE_UAP;
1526 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
1527 priv->bss_started = 0;
1529 priv->bss_mode = type;
1533 wiphy_err(wiphy, "type not supported\n");
1537 dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name,
1540 wiphy_err(wiphy, "no memory available for netdevice\n");
1544 mwifiex_init_priv_params(priv, dev);
1547 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
1549 if (adapter->config_bands & BAND_A)
1550 mwifiex_setup_ht_caps(
1551 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
1553 dev_net_set(dev, wiphy_net(wiphy));
1554 dev->ieee80211_ptr = priv->wdev;
1555 dev->ieee80211_ptr->iftype = priv->bss_mode;
1556 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
1557 memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
1558 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
1560 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
1561 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
1562 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
1564 mdev_priv = netdev_priv(dev);
1565 *((unsigned long *) mdev_priv) = (unsigned long) priv;
1567 SET_NETDEV_DEV(dev, adapter->dev);
1569 /* Register network device */
1570 if (register_netdevice(dev)) {
1571 wiphy_err(wiphy, "cannot register virtual network device\n");
1575 sema_init(&priv->async_sem, 1);
1576 priv->scan_pending_on_block = false;
1578 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
1580 #ifdef CONFIG_DEBUG_FS
1581 mwifiex_dev_debugfs_init(priv);
1585 if (dev && (dev->reg_state == NETREG_UNREGISTERED))
1587 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1591 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
1594 * del_virtual_intf: remove the virtual interface determined by dev
1596 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
1598 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1600 #ifdef CONFIG_DEBUG_FS
1601 mwifiex_dev_debugfs_remove(priv);
1604 if (!netif_queue_stopped(priv->netdev))
1605 netif_stop_queue(priv->netdev);
1607 if (netif_carrier_ok(priv->netdev))
1608 netif_carrier_off(priv->netdev);
1610 if (dev->reg_state == NETREG_REGISTERED)
1611 unregister_netdevice(dev);
1613 if (dev->reg_state == NETREG_UNREGISTERED)
1616 /* Clear the priv in adapter */
1617 priv->netdev = NULL;
1619 priv->media_connected = false;
1621 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1625 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
1627 /* station cfg80211 operations */
1628 static struct cfg80211_ops mwifiex_cfg80211_ops = {
1629 .add_virtual_intf = mwifiex_add_virtual_intf,
1630 .del_virtual_intf = mwifiex_del_virtual_intf,
1631 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
1632 .scan = mwifiex_cfg80211_scan,
1633 .connect = mwifiex_cfg80211_connect,
1634 .disconnect = mwifiex_cfg80211_disconnect,
1635 .get_station = mwifiex_cfg80211_get_station,
1636 .dump_station = mwifiex_cfg80211_dump_station,
1637 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
1638 .join_ibss = mwifiex_cfg80211_join_ibss,
1639 .leave_ibss = mwifiex_cfg80211_leave_ibss,
1640 .add_key = mwifiex_cfg80211_add_key,
1641 .del_key = mwifiex_cfg80211_del_key,
1642 .set_default_key = mwifiex_cfg80211_set_default_key,
1643 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
1644 .set_tx_power = mwifiex_cfg80211_set_tx_power,
1645 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
1646 .start_ap = mwifiex_cfg80211_start_ap,
1647 .stop_ap = mwifiex_cfg80211_stop_ap,
1648 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
1652 * This function registers the device with CFG802.11 subsystem.
1654 * The function creates the wireless device/wiphy, populates it with
1655 * default parameters and handler function pointers, and finally
1656 * registers the device.
1659 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
1663 struct wiphy *wiphy;
1664 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
1667 /* create a new wiphy for use with cfg80211 */
1668 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
1669 sizeof(struct mwifiex_adapter *));
1671 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
1674 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
1675 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
1676 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1677 BIT(NL80211_IFTYPE_ADHOC) |
1678 BIT(NL80211_IFTYPE_AP);
1680 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
1681 if (adapter->config_bands & BAND_A)
1682 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
1684 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
1686 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
1687 wiphy->n_iface_combinations = 1;
1689 /* Initialize cipher suits */
1690 wiphy->cipher_suites = mwifiex_cipher_suites;
1691 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
1693 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
1694 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1695 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | WIPHY_FLAG_CUSTOM_REGULATORY;
1697 /* Reserve space for mwifiex specific private data for BSS */
1698 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
1700 wiphy->reg_notifier = mwifiex_reg_notifier;
1702 /* Set struct mwifiex_adapter pointer in wiphy_priv */
1703 wdev_priv = wiphy_priv(wiphy);
1704 *(unsigned long *)wdev_priv = (unsigned long)adapter;
1706 set_wiphy_dev(wiphy, (struct device *)priv->adapter->dev);
1708 ret = wiphy_register(wiphy);
1710 dev_err(adapter->dev,
1711 "%s: wiphy_register failed: %d\n", __func__, ret);
1715 country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
1716 if (country_code && regulatory_hint(wiphy, country_code))
1717 dev_err(adapter->dev, "regulatory_hint() failed\n");
1719 adapter->wiphy = wiphy;