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_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
54 case NL80211_CHAN_NO_HT:
55 case NL80211_CHAN_HT20:
56 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
57 case NL80211_CHAN_HT40PLUS:
58 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
59 case NL80211_CHAN_HT40MINUS:
60 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
62 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
67 * This function checks whether WEP is set.
70 mwifiex_is_alg_wep(u32 cipher)
73 case WLAN_CIPHER_SUITE_WEP40:
74 case WLAN_CIPHER_SUITE_WEP104:
84 * This function retrieves the private structure from kernel wiphy structure.
86 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
88 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
92 * CFG802.11 operation handler to delete a network key.
95 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
96 u8 key_index, bool pairwise, const u8 *mac_addr)
98 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
99 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
100 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
102 if (mwifiex_set_encode(priv, NULL, 0, key_index, peer_mac, 1)) {
103 wiphy_err(wiphy, "deleting the crypto keys\n");
107 wiphy_dbg(wiphy, "info: crypto keys deleted\n");
112 * CFG802.11 operation handler to set Tx power.
115 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
116 enum nl80211_tx_power_setting type,
119 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
120 struct mwifiex_private *priv;
121 struct mwifiex_power_cfg power_cfg;
122 int dbm = MBM_TO_DBM(mbm);
124 if (type == NL80211_TX_POWER_FIXED) {
125 power_cfg.is_power_auto = 0;
126 power_cfg.power_level = dbm;
128 power_cfg.is_power_auto = 1;
131 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
133 return mwifiex_set_tx_power(priv, &power_cfg);
137 * CFG802.11 operation handler to set Power Save option.
139 * The timeout value, if provided, is currently ignored.
142 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
143 struct net_device *dev,
144 bool enabled, int timeout)
146 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
151 "info: ignore timeout value for IEEE Power Save\n");
155 return mwifiex_drv_set_power(priv, &ps_mode);
159 * CFG802.11 operation handler to set the default network key.
162 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
163 u8 key_index, bool unicast,
166 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
168 /* Return if WEP key not configured */
169 if (!priv->sec_info.wep_enabled)
172 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
173 priv->wep_key_curr_index = key_index;
174 } else if (mwifiex_set_encode(priv, NULL, 0, key_index, NULL, 0)) {
175 wiphy_err(wiphy, "set default Tx key index\n");
183 * CFG802.11 operation handler to add a network key.
186 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
187 u8 key_index, bool pairwise, const u8 *mac_addr,
188 struct key_params *params)
190 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
191 struct mwifiex_wep_key *wep_key;
192 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
193 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
195 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
196 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
197 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
198 if (params->key && params->key_len) {
199 wep_key = &priv->wep_key[key_index];
200 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
201 memcpy(wep_key->key_material, params->key,
203 wep_key->key_index = key_index;
204 wep_key->key_length = params->key_len;
205 priv->sec_info.wep_enabled = 1;
210 if (mwifiex_set_encode(priv, params->key, params->key_len,
211 key_index, peer_mac, 0)) {
212 wiphy_err(wiphy, "crypto keys added\n");
220 * This function sends domain information to the firmware.
222 * The following information are passed to the firmware -
224 * - Sub bands (first channel, number of channels, maximum Tx power)
226 static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
228 u8 no_of_triplet = 0;
229 struct ieee80211_country_ie_triplet *t;
230 u8 no_of_parsed_chan = 0;
231 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
233 enum ieee80211_band band;
234 struct ieee80211_supported_band *sband;
235 struct ieee80211_channel *ch;
236 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
237 struct mwifiex_private *priv;
238 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
240 /* Set country code */
241 domain_info->country_code[0] = adapter->country_code[0];
242 domain_info->country_code[1] = adapter->country_code[1];
243 domain_info->country_code[2] = ' ';
245 band = mwifiex_band_to_radio_type(adapter->config_bands);
246 if (!wiphy->bands[band]) {
247 wiphy_err(wiphy, "11D: setting domain info in FW\n");
251 sband = wiphy->bands[band];
253 for (i = 0; i < sband->n_channels ; i++) {
254 ch = &sband->channels[i];
255 if (ch->flags & IEEE80211_CHAN_DISABLED)
260 first_chan = (u32) ch->hw_value;
261 next_chan = first_chan;
262 max_pwr = ch->max_reg_power;
263 no_of_parsed_chan = 1;
267 if (ch->hw_value == next_chan + 1 &&
268 ch->max_reg_power == max_pwr) {
272 t = &domain_info->triplet[no_of_triplet];
273 t->chans.first_channel = first_chan;
274 t->chans.num_channels = no_of_parsed_chan;
275 t->chans.max_power = max_pwr;
277 first_chan = (u32) ch->hw_value;
278 next_chan = first_chan;
279 max_pwr = ch->max_reg_power;
280 no_of_parsed_chan = 1;
285 t = &domain_info->triplet[no_of_triplet];
286 t->chans.first_channel = first_chan;
287 t->chans.num_channels = no_of_parsed_chan;
288 t->chans.max_power = max_pwr;
292 domain_info->no_of_triplet = no_of_triplet;
294 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
296 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
297 HostCmd_ACT_GEN_SET, 0, NULL)) {
298 wiphy_err(wiphy, "11D: setting domain info in FW\n");
306 * CFG802.11 regulatory domain callback function.
308 * This function is called when the regulatory domain is changed due to the
309 * following reasons -
311 * - Set by system core
313 * - Set bt Country IE
315 static int mwifiex_reg_notifier(struct wiphy *wiphy,
316 struct regulatory_request *request)
318 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
320 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
321 request->alpha2[0], request->alpha2[1]);
323 memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2));
325 switch (request->initiator) {
326 case NL80211_REGDOM_SET_BY_DRIVER:
327 case NL80211_REGDOM_SET_BY_CORE:
328 case NL80211_REGDOM_SET_BY_USER:
330 /* Todo: apply driver specific changes in channel flags based
331 on the request initiator if necessary. */
332 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
335 mwifiex_send_domain_info_cmd_fw(wiphy);
341 * This function sets the fragmentation threshold.
343 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
344 * and MWIFIEX_FRAG_MAX_VALUE.
347 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
349 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
350 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
351 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
353 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
354 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
359 * This function sets the RTS threshold.
361 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
362 * and MWIFIEX_RTS_MAX_VALUE.
365 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
367 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
368 rts_thr = MWIFIEX_RTS_MAX_VALUE;
370 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
371 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
376 * CFG802.11 operation handler to set wiphy parameters.
378 * This function can be used to set the RTS threshold and the
379 * Fragmentation threshold of the driver.
382 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
384 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
385 struct mwifiex_private *priv;
386 struct mwifiex_uap_bss_param *bss_cfg;
387 int ret, bss_started, i;
389 for (i = 0; i < adapter->priv_num; i++) {
390 priv = adapter->priv[i];
392 switch (priv->bss_role) {
393 case MWIFIEX_BSS_ROLE_UAP:
394 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
399 mwifiex_set_sys_config_invalid_data(bss_cfg);
401 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
402 bss_cfg->rts_threshold = wiphy->rts_threshold;
403 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
404 bss_cfg->frag_threshold = wiphy->frag_threshold;
405 if (changed & WIPHY_PARAM_RETRY_LONG)
406 bss_cfg->retry_limit = wiphy->retry_long;
408 bss_started = priv->bss_started;
410 ret = mwifiex_send_cmd_sync(priv,
411 HostCmd_CMD_UAP_BSS_STOP,
412 HostCmd_ACT_GEN_SET, 0,
415 wiphy_err(wiphy, "Failed to stop the BSS\n");
420 ret = mwifiex_send_cmd_async(priv,
421 HostCmd_CMD_UAP_SYS_CONFIG,
423 UAP_BSS_PARAMS_I, bss_cfg);
428 wiphy_err(wiphy, "Failed to set bss config\n");
435 ret = mwifiex_send_cmd_async(priv,
436 HostCmd_CMD_UAP_BSS_START,
437 HostCmd_ACT_GEN_SET, 0,
440 wiphy_err(wiphy, "Failed to start BSS\n");
445 case MWIFIEX_BSS_ROLE_STA:
446 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
447 ret = mwifiex_set_rts(priv,
448 wiphy->rts_threshold);
452 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
453 ret = mwifiex_set_frag(priv,
454 wiphy->frag_threshold);
466 * CFG802.11 operation handler to change interface type.
469 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
470 struct net_device *dev,
471 enum nl80211_iftype type, u32 *flags,
472 struct vif_params *params)
475 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
477 switch (dev->ieee80211_ptr->iftype) {
478 case NL80211_IFTYPE_ADHOC:
480 case NL80211_IFTYPE_STATION:
482 case NL80211_IFTYPE_UNSPECIFIED:
483 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
484 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
486 case NL80211_IFTYPE_AP:
488 wiphy_err(wiphy, "%s: changing to %d not supported\n",
493 case NL80211_IFTYPE_STATION:
495 case NL80211_IFTYPE_ADHOC:
497 case NL80211_IFTYPE_UNSPECIFIED:
498 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
499 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
501 case NL80211_IFTYPE_AP:
503 wiphy_err(wiphy, "%s: changing to %d not supported\n",
508 case NL80211_IFTYPE_AP:
510 case NL80211_IFTYPE_UNSPECIFIED:
511 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
512 case NL80211_IFTYPE_AP: /* This shouldn't happen */
514 case NL80211_IFTYPE_ADHOC:
515 case NL80211_IFTYPE_STATION:
517 wiphy_err(wiphy, "%s: changing to %d not supported\n",
523 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
524 dev->name, dev->ieee80211_ptr->iftype);
528 dev->ieee80211_ptr->iftype = type;
529 priv->bss_mode = type;
530 mwifiex_deauthenticate(priv, NULL);
532 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
534 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
535 HostCmd_ACT_GEN_SET, 0, NULL);
541 * This function dumps the station information on a buffer.
543 * The following information are shown -
544 * - Total bytes transmitted
545 * - Total bytes received
546 * - Total packets transmitted
547 * - Total packets received
548 * - Signal quality level
549 * - Transmission rate
552 mwifiex_dump_station_info(struct mwifiex_private *priv,
553 struct station_info *sinfo)
557 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
558 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
559 STATION_INFO_TX_BITRATE |
560 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
562 /* Get signal information from the firmware */
563 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
564 HostCmd_ACT_GEN_GET, 0, NULL)) {
565 dev_err(priv->adapter->dev, "failed to get signal information\n");
569 if (mwifiex_drv_get_data_rate(priv, &rate)) {
570 dev_err(priv->adapter->dev, "getting data rate\n");
574 /* Get DTIM period information from firmware */
575 mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
576 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
580 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
581 * MCS index values for us are 0 to 15.
583 if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
584 sinfo->txrate.mcs = priv->tx_rate;
585 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
587 if (priv->tx_htinfo & BIT(1))
588 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
590 if (priv->tx_htinfo & BIT(2))
591 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
594 sinfo->signal_avg = priv->bcn_rssi_avg;
595 sinfo->rx_bytes = priv->stats.rx_bytes;
596 sinfo->tx_bytes = priv->stats.tx_bytes;
597 sinfo->rx_packets = priv->stats.rx_packets;
598 sinfo->tx_packets = priv->stats.tx_packets;
599 sinfo->signal = priv->bcn_rssi_avg;
600 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
601 sinfo->txrate.legacy = rate * 5;
603 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
604 sinfo->filled |= STATION_INFO_BSS_PARAM;
605 sinfo->bss_param.flags = 0;
606 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
607 WLAN_CAPABILITY_SHORT_PREAMBLE)
608 sinfo->bss_param.flags |=
609 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
610 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
611 WLAN_CAPABILITY_SHORT_SLOT_TIME)
612 sinfo->bss_param.flags |=
613 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
614 sinfo->bss_param.dtim_period = priv->dtim_period;
615 sinfo->bss_param.beacon_interval =
616 priv->curr_bss_params.bss_descriptor.beacon_period;
623 * CFG802.11 operation handler to get station information.
625 * This function only works in connected mode, and dumps the
626 * requested station information, if available.
629 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
630 u8 *mac, struct station_info *sinfo)
632 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
634 if (!priv->media_connected)
636 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
639 return mwifiex_dump_station_info(priv, sinfo);
643 * CFG802.11 operation handler to dump station information.
646 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
647 int idx, u8 *mac, struct station_info *sinfo)
649 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
651 if (!priv->media_connected || idx)
654 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
656 return mwifiex_dump_station_info(priv, sinfo);
659 /* Supported rates to be advertised to the cfg80211 */
661 static struct ieee80211_rate mwifiex_rates[] = {
662 {.bitrate = 10, .hw_value = 2, },
663 {.bitrate = 20, .hw_value = 4, },
664 {.bitrate = 55, .hw_value = 11, },
665 {.bitrate = 110, .hw_value = 22, },
666 {.bitrate = 60, .hw_value = 12, },
667 {.bitrate = 90, .hw_value = 18, },
668 {.bitrate = 120, .hw_value = 24, },
669 {.bitrate = 180, .hw_value = 36, },
670 {.bitrate = 240, .hw_value = 48, },
671 {.bitrate = 360, .hw_value = 72, },
672 {.bitrate = 480, .hw_value = 96, },
673 {.bitrate = 540, .hw_value = 108, },
676 /* Channel definitions to be advertised to cfg80211 */
678 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
679 {.center_freq = 2412, .hw_value = 1, },
680 {.center_freq = 2417, .hw_value = 2, },
681 {.center_freq = 2422, .hw_value = 3, },
682 {.center_freq = 2427, .hw_value = 4, },
683 {.center_freq = 2432, .hw_value = 5, },
684 {.center_freq = 2437, .hw_value = 6, },
685 {.center_freq = 2442, .hw_value = 7, },
686 {.center_freq = 2447, .hw_value = 8, },
687 {.center_freq = 2452, .hw_value = 9, },
688 {.center_freq = 2457, .hw_value = 10, },
689 {.center_freq = 2462, .hw_value = 11, },
690 {.center_freq = 2467, .hw_value = 12, },
691 {.center_freq = 2472, .hw_value = 13, },
692 {.center_freq = 2484, .hw_value = 14, },
695 static struct ieee80211_supported_band mwifiex_band_2ghz = {
696 .channels = mwifiex_channels_2ghz,
697 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
698 .bitrates = mwifiex_rates,
699 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
702 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
703 {.center_freq = 5040, .hw_value = 8, },
704 {.center_freq = 5060, .hw_value = 12, },
705 {.center_freq = 5080, .hw_value = 16, },
706 {.center_freq = 5170, .hw_value = 34, },
707 {.center_freq = 5190, .hw_value = 38, },
708 {.center_freq = 5210, .hw_value = 42, },
709 {.center_freq = 5230, .hw_value = 46, },
710 {.center_freq = 5180, .hw_value = 36, },
711 {.center_freq = 5200, .hw_value = 40, },
712 {.center_freq = 5220, .hw_value = 44, },
713 {.center_freq = 5240, .hw_value = 48, },
714 {.center_freq = 5260, .hw_value = 52, },
715 {.center_freq = 5280, .hw_value = 56, },
716 {.center_freq = 5300, .hw_value = 60, },
717 {.center_freq = 5320, .hw_value = 64, },
718 {.center_freq = 5500, .hw_value = 100, },
719 {.center_freq = 5520, .hw_value = 104, },
720 {.center_freq = 5540, .hw_value = 108, },
721 {.center_freq = 5560, .hw_value = 112, },
722 {.center_freq = 5580, .hw_value = 116, },
723 {.center_freq = 5600, .hw_value = 120, },
724 {.center_freq = 5620, .hw_value = 124, },
725 {.center_freq = 5640, .hw_value = 128, },
726 {.center_freq = 5660, .hw_value = 132, },
727 {.center_freq = 5680, .hw_value = 136, },
728 {.center_freq = 5700, .hw_value = 140, },
729 {.center_freq = 5745, .hw_value = 149, },
730 {.center_freq = 5765, .hw_value = 153, },
731 {.center_freq = 5785, .hw_value = 157, },
732 {.center_freq = 5805, .hw_value = 161, },
733 {.center_freq = 5825, .hw_value = 165, },
736 static struct ieee80211_supported_band mwifiex_band_5ghz = {
737 .channels = mwifiex_channels_5ghz,
738 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
739 .bitrates = mwifiex_rates + 4,
740 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
744 /* Supported crypto cipher suits to be advertised to cfg80211 */
746 static const u32 mwifiex_cipher_suites[] = {
747 WLAN_CIPHER_SUITE_WEP40,
748 WLAN_CIPHER_SUITE_WEP104,
749 WLAN_CIPHER_SUITE_TKIP,
750 WLAN_CIPHER_SUITE_CCMP,
754 * CFG802.11 operation handler for setting bit rates.
756 * Function configures data rates to firmware using bitrate mask
757 * provided by cfg80211.
759 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
760 struct net_device *dev,
762 const struct cfg80211_bitrate_mask *mask)
764 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
765 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
766 enum ieee80211_band band;
768 if (!priv->media_connected) {
769 dev_err(priv->adapter->dev,
770 "Can not set Tx data rate in disconnected state\n");
774 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
776 memset(bitmap_rates, 0, sizeof(bitmap_rates));
778 /* Fill HR/DSSS rates. */
779 if (band == IEEE80211_BAND_2GHZ)
780 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
782 /* Fill OFDM rates */
783 if (band == IEEE80211_BAND_2GHZ)
784 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
786 bitmap_rates[1] = mask->control[band].legacy;
789 bitmap_rates[2] = mask->control[band].mcs[0];
790 if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2)
791 bitmap_rates[2] |= mask->control[band].mcs[1] << 8;
793 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
794 HostCmd_ACT_GEN_SET, 0, bitmap_rates);
798 * CFG802.11 operation handler for connection quality monitoring.
800 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
803 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
804 struct net_device *dev,
805 s32 rssi_thold, u32 rssi_hyst)
807 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
808 struct mwifiex_ds_misc_subsc_evt subsc_evt;
810 priv->cqm_rssi_thold = rssi_thold;
811 priv->cqm_rssi_hyst = rssi_hyst;
813 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
814 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
816 /* Subscribe/unsubscribe low and high rssi events */
817 if (rssi_thold && rssi_hyst) {
818 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
819 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
820 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
821 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
822 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
823 return mwifiex_send_cmd_sync(priv,
824 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
827 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
828 return mwifiex_send_cmd_sync(priv,
829 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
836 /* cfg80211 operation handler for change_beacon.
837 * Function retrieves and sets modified management IEs to FW.
839 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
840 struct net_device *dev,
841 struct cfg80211_beacon_data *data)
843 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
845 if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
846 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
850 if (!priv->bss_started) {
851 wiphy_err(wiphy, "%s: bss not started\n", __func__);
855 if (mwifiex_set_mgmt_ies(priv, data)) {
856 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
864 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
866 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
867 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
868 MWIFIEX_BSS_ROLE_ANY);
869 struct mwifiex_ds_ant_cfg ant_cfg;
871 if (!tx_ant || !rx_ant)
874 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
875 /* Not a MIMO chip. User should provide specific antenna number
876 * for Tx/Rx path or enable all antennas for diversity
878 if (tx_ant != rx_ant)
881 if ((tx_ant & (tx_ant - 1)) &&
882 (tx_ant != BIT(adapter->number_of_antenna) - 1))
885 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
886 (priv->adapter->number_of_antenna > 1)) {
887 tx_ant = RF_ANTENNA_AUTO;
888 rx_ant = RF_ANTENNA_AUTO;
892 ant_cfg.tx_ant = tx_ant;
893 ant_cfg.rx_ant = rx_ant;
895 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA,
896 HostCmd_ACT_GEN_SET, 0, &ant_cfg);
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);
931 if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP)
933 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon))
936 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
940 mwifiex_set_sys_config_invalid_data(bss_cfg);
942 if (params->beacon_interval)
943 bss_cfg->beacon_period = params->beacon_interval;
944 if (params->dtim_period)
945 bss_cfg->dtim_period = params->dtim_period;
947 if (params->ssid && params->ssid_len) {
948 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
949 bss_cfg->ssid.ssid_len = params->ssid_len;
952 switch (params->hidden_ssid) {
953 case NL80211_HIDDEN_SSID_NOT_IN_USE:
954 bss_cfg->bcast_ssid_ctl = 1;
956 case NL80211_HIDDEN_SSID_ZERO_LEN:
957 bss_cfg->bcast_ssid_ctl = 0;
959 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
960 /* firmware doesn't support this type of hidden SSID */
967 (u8)ieee80211_frequency_to_channel(params->channel->center_freq);
968 bss_cfg->band_cfg = BAND_CONFIG_MANUAL;
970 /* Set appropriate bands */
971 if (params->channel->band == IEEE80211_BAND_2GHZ) {
972 if (params->channel_type == NL80211_CHAN_NO_HT)
973 config_bands = BAND_B | BAND_G;
975 config_bands = BAND_B | BAND_G | BAND_GN;
977 if (params->channel_type == NL80211_CHAN_NO_HT)
978 config_bands = BAND_A;
980 config_bands = BAND_AN | BAND_A;
983 if (!((config_bands | priv->adapter->fw_bands) &
984 ~priv->adapter->fw_bands))
985 priv->adapter->config_bands = config_bands;
987 mwifiex_send_domain_info_cmd_fw(wiphy);
989 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
991 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
995 mwifiex_set_ht_params(priv, bss_cfg, params);
997 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
998 HostCmd_ACT_GEN_SET, 0, NULL)) {
999 wiphy_err(wiphy, "Failed to stop the BSS\n");
1004 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG,
1005 HostCmd_ACT_GEN_SET,
1006 UAP_BSS_PARAMS_I, bss_cfg)) {
1007 wiphy_err(wiphy, "Failed to set the SSID\n");
1014 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START,
1015 HostCmd_ACT_GEN_SET, 0, NULL)) {
1016 wiphy_err(wiphy, "Failed to start the BSS\n");
1020 if (priv->sec_info.wep_enabled)
1021 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1023 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1025 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1026 HostCmd_ACT_GEN_SET, 0,
1027 &priv->curr_pkt_filter))
1034 * CFG802.11 operation handler for disconnection request.
1036 * This function does not work when there is already a disconnection
1037 * procedure going on.
1040 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1043 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1045 if (mwifiex_deauthenticate(priv, NULL))
1048 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1049 " reason code %d\n", priv->cfg_bssid, reason_code);
1051 memset(priv->cfg_bssid, 0, ETH_ALEN);
1057 * This function informs the CFG802.11 subsystem of a new IBSS.
1059 * The following information are sent to the CFG802.11 subsystem
1060 * to register the new IBSS. If we do not register the new IBSS,
1061 * a kernel panic will result.
1067 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1069 struct ieee80211_channel *chan;
1070 struct mwifiex_bss_info bss_info;
1071 struct cfg80211_bss *bss;
1073 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1074 enum ieee80211_band band;
1076 if (mwifiex_get_bss_info(priv, &bss_info))
1079 ie_buf[0] = WLAN_EID_SSID;
1080 ie_buf[1] = bss_info.ssid.ssid_len;
1082 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
1083 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
1084 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1086 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1087 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1088 ieee80211_channel_to_frequency(bss_info.bss_chan,
1091 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
1092 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1093 0, ie_buf, ie_len, 0, GFP_KERNEL);
1094 cfg80211_put_bss(bss);
1095 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1101 * This function connects with a BSS.
1103 * This function handles both Infra and Ad-Hoc modes. It also performs
1104 * validity checking on the provided parameters, disconnects from the
1105 * current BSS (if any), sets up the association/scan parameters,
1106 * including security settings, and performs specific SSID scan before
1107 * trying to connect.
1109 * For Infra mode, the function returns failure if the specified SSID
1110 * is not found in scan table. However, for Ad-Hoc mode, it can create
1111 * the IBSS if it does not exist. On successful completion in either case,
1112 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1115 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
1116 u8 *bssid, int mode, struct ieee80211_channel *channel,
1117 struct cfg80211_connect_params *sme, bool privacy)
1119 struct cfg80211_ssid req_ssid;
1120 int ret, auth_type = 0;
1121 struct cfg80211_bss *bss = NULL;
1122 u8 is_scanning_required = 0, config_bands = 0;
1124 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
1126 req_ssid.ssid_len = ssid_len;
1127 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1128 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1132 memcpy(req_ssid.ssid, ssid, ssid_len);
1133 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1134 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1138 /* disconnect before try to associate */
1139 mwifiex_deauthenticate(priv, NULL);
1142 if (mode == NL80211_IFTYPE_STATION) {
1143 if (channel->band == IEEE80211_BAND_2GHZ)
1144 config_bands = BAND_B | BAND_G | BAND_GN;
1146 config_bands = BAND_A | BAND_AN;
1148 if (!((config_bands | priv->adapter->fw_bands) &
1149 ~priv->adapter->fw_bands))
1150 priv->adapter->config_bands = config_bands;
1152 mwifiex_send_domain_info_cmd_fw(priv->wdev->wiphy);
1155 /* As this is new association, clear locally stored
1156 * keys and security related flags */
1157 priv->sec_info.wpa_enabled = false;
1158 priv->sec_info.wpa2_enabled = false;
1159 priv->wep_key_curr_index = 0;
1160 priv->sec_info.encryption_mode = 0;
1161 priv->sec_info.is_authtype_auto = 0;
1162 ret = mwifiex_set_encode(priv, NULL, 0, 0, NULL, 1);
1164 if (mode == NL80211_IFTYPE_ADHOC) {
1165 /* "privacy" is set only for ad-hoc mode */
1168 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1169 * the firmware can find a matching network from the
1170 * scan. The cfg80211 does not give us the encryption
1171 * mode at this stage so just setting it to WEP here.
1173 priv->sec_info.encryption_mode =
1174 WLAN_CIPHER_SUITE_WEP104;
1175 priv->sec_info.authentication_mode =
1176 NL80211_AUTHTYPE_OPEN_SYSTEM;
1182 /* Now handle infra mode. "sme" is valid for infra mode only */
1183 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
1184 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1185 priv->sec_info.is_authtype_auto = 1;
1187 auth_type = sme->auth_type;
1190 if (sme->crypto.n_ciphers_pairwise) {
1191 priv->sec_info.encryption_mode =
1192 sme->crypto.ciphers_pairwise[0];
1193 priv->sec_info.authentication_mode = auth_type;
1196 if (sme->crypto.cipher_group) {
1197 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
1198 priv->sec_info.authentication_mode = auth_type;
1201 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1204 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
1205 dev_dbg(priv->adapter->dev,
1206 "info: setting wep encryption"
1207 " with key len %d\n", sme->key_len);
1208 priv->wep_key_curr_index = sme->key_idx;
1209 ret = mwifiex_set_encode(priv, sme->key, sme->key_len,
1210 sme->key_idx, NULL, 0);
1215 * Scan entries are valid for some time (15 sec). So we can save one
1216 * active scan time if we just try cfg80211_get_bss first. If it fails
1217 * then request scan and cfg80211_get_bss() again for final output.
1220 if (is_scanning_required) {
1221 /* Do specific SSID scanning */
1222 if (mwifiex_request_scan(priv, &req_ssid)) {
1223 dev_err(priv->adapter->dev, "scan error\n");
1228 /* Find the BSS we want using available scan results */
1229 if (mode == NL80211_IFTYPE_ADHOC)
1230 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1231 bssid, ssid, ssid_len,
1232 WLAN_CAPABILITY_IBSS,
1233 WLAN_CAPABILITY_IBSS);
1235 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1236 bssid, ssid, ssid_len,
1237 WLAN_CAPABILITY_ESS,
1238 WLAN_CAPABILITY_ESS);
1241 if (is_scanning_required) {
1242 dev_warn(priv->adapter->dev,
1243 "assoc: requested bss not found in scan results\n");
1246 is_scanning_required = 1;
1248 dev_dbg(priv->adapter->dev,
1249 "info: trying to associate to '%s' bssid %pM\n",
1250 (char *) req_ssid.ssid, bss->bssid);
1251 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1256 if (mwifiex_bss_start(priv, bss, &req_ssid))
1259 if (mode == NL80211_IFTYPE_ADHOC) {
1260 /* Inform the BSS information to kernel, otherwise
1261 * kernel will give a panic after successful assoc */
1262 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1270 * CFG802.11 operation handler for association request.
1272 * This function does not work when the current mode is set to Ad-Hoc, or
1273 * when there is already an association procedure going on. The given BSS
1274 * information is used to associate.
1277 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1278 struct cfg80211_connect_params *sme)
1280 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1283 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1284 wiphy_err(wiphy, "received infra assoc request "
1285 "when station is in ibss mode\n");
1289 if (priv->bss_mode == NL80211_IFTYPE_AP) {
1290 wiphy_err(wiphy, "skip association request for AP interface\n");
1294 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
1295 (char *) sme->ssid, sme->bssid);
1297 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
1298 priv->bss_mode, sme->channel, sme, 0);
1301 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1302 NULL, 0, WLAN_STATUS_SUCCESS,
1304 dev_dbg(priv->adapter->dev,
1305 "info: associated to bssid %pM successfully\n",
1308 dev_dbg(priv->adapter->dev,
1309 "info: association to bssid %pM failed\n",
1311 memset(priv->cfg_bssid, 0, ETH_ALEN);
1318 * This function sets following parameters for ibss network.
1322 * - secondary channel offset
1324 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
1325 struct cfg80211_ibss_params *params)
1327 struct wiphy *wiphy = priv->wdev->wiphy;
1328 struct mwifiex_adapter *adapter = priv->adapter;
1330 u8 config_bands = 0;
1332 if (params->channel->band == IEEE80211_BAND_2GHZ) {
1333 if (!params->basic_rates) {
1334 config_bands = BAND_B | BAND_G;
1336 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
1338 * Rates below 6 Mbps in the table are CCK
1339 * rates; 802.11b and from 6 they are OFDM;
1342 if (mwifiex_rates[i].bitrate == 60) {
1348 if (params->basic_rates < index) {
1349 config_bands = BAND_B;
1351 config_bands = BAND_G;
1352 if (params->basic_rates % index)
1353 config_bands |= BAND_B;
1357 if (params->channel_type != NL80211_CHAN_NO_HT)
1358 config_bands |= BAND_GN;
1360 if (params->channel_type == NL80211_CHAN_NO_HT)
1361 config_bands = BAND_A;
1363 config_bands = BAND_AN | BAND_A;
1366 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
1367 adapter->config_bands = config_bands;
1368 adapter->adhoc_start_band = config_bands;
1370 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
1371 adapter->adhoc_11n_enabled = true;
1373 adapter->adhoc_11n_enabled = false;
1376 adapter->sec_chan_offset =
1377 mwifiex_chan_type_to_sec_chan_offset(params->channel_type);
1378 priv->adhoc_channel =
1379 ieee80211_frequency_to_channel(params->channel->center_freq);
1381 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
1382 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
1388 * CFG802.11 operation handler to join an IBSS.
1390 * This function does not work in any mode other than Ad-Hoc, or if
1391 * a join operation is already in progress.
1394 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1395 struct cfg80211_ibss_params *params)
1397 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1400 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
1401 wiphy_err(wiphy, "request to join ibss received "
1402 "when station is not in ibss mode\n");
1406 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1407 (char *) params->ssid, params->bssid);
1409 mwifiex_set_ibss_params(priv, params);
1411 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
1412 params->bssid, priv->bss_mode,
1413 params->channel, NULL, params->privacy);
1416 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
1417 dev_dbg(priv->adapter->dev,
1418 "info: joined/created adhoc network with bssid"
1419 " %pM successfully\n", priv->cfg_bssid);
1421 dev_dbg(priv->adapter->dev,
1422 "info: failed creating/joining adhoc network\n");
1429 * CFG802.11 operation handler to leave an IBSS.
1431 * This function does not work if a leave operation is
1432 * already in progress.
1435 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1437 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1439 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1441 if (mwifiex_deauthenticate(priv, NULL))
1444 memset(priv->cfg_bssid, 0, ETH_ALEN);
1450 * CFG802.11 operation handler for scan request.
1452 * This function issues a scan request to the firmware based upon
1453 * the user specified scan configuration. On successfull completion,
1454 * it also informs the results.
1457 mwifiex_cfg80211_scan(struct wiphy *wiphy,
1458 struct cfg80211_scan_request *request)
1460 struct net_device *dev = request->wdev->netdev;
1461 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1463 struct ieee80211_channel *chan;
1465 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1467 priv->scan_request = request;
1469 priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
1471 if (!priv->user_scan_cfg) {
1472 dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
1476 priv->user_scan_cfg->num_ssids = request->n_ssids;
1477 priv->user_scan_cfg->ssid_list = request->ssids;
1479 if (request->ie && request->ie_len) {
1480 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1481 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1483 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
1484 memcpy(&priv->vs_ie[i].ie, request->ie,
1490 for (i = 0; i < request->n_channels; i++) {
1491 chan = request->channels[i];
1492 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1493 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
1495 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
1496 priv->user_scan_cfg->chan_list[i].scan_type =
1497 MWIFIEX_SCAN_TYPE_PASSIVE;
1499 priv->user_scan_cfg->chan_list[i].scan_type =
1500 MWIFIEX_SCAN_TYPE_ACTIVE;
1502 priv->user_scan_cfg->chan_list[i].scan_time = 0;
1504 if (mwifiex_scan_networks(priv, priv->user_scan_cfg))
1507 if (request->ie && request->ie_len) {
1508 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1509 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
1510 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
1511 memset(&priv->vs_ie[i].ie, 0,
1512 MWIFIEX_MAX_VSIE_LEN);
1520 * This function sets up the CFG802.11 specific HT capability fields
1521 * with default values.
1523 * The following default values are set -
1524 * - HT Supported = True
1525 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1526 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1527 * - HT Capabilities supported by firmware
1528 * - MCS information, Rx mask = 0xff
1529 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1532 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
1533 struct mwifiex_private *priv)
1536 struct ieee80211_mcs_info mcs_set;
1537 u8 *mcs = (u8 *)&mcs_set;
1538 struct mwifiex_adapter *adapter = priv->adapter;
1540 ht_info->ht_supported = true;
1541 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
1542 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
1544 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
1546 /* Fill HT capability information */
1547 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1548 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1550 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1552 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
1553 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
1555 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
1557 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
1558 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
1560 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
1562 if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
1563 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
1565 ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1567 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
1568 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
1570 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
1572 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
1573 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
1575 rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
1576 /* Set MCS for 1x1 */
1577 memset(mcs, 0xff, rx_mcs_supp);
1578 /* Clear all the other values */
1579 memset(&mcs[rx_mcs_supp], 0,
1580 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
1581 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
1582 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1583 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1584 SETHT_MCS32(mcs_set.rx_mask);
1586 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
1588 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
1592 * create a new virtual interface with the given name
1594 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1596 enum nl80211_iftype type,
1598 struct vif_params *params)
1600 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1601 struct mwifiex_private *priv;
1602 struct net_device *dev;
1604 struct wireless_dev *wdev;
1607 return ERR_PTR(-EFAULT);
1610 case NL80211_IFTYPE_UNSPECIFIED:
1611 case NL80211_IFTYPE_STATION:
1612 case NL80211_IFTYPE_ADHOC:
1613 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
1614 if (priv->bss_mode) {
1616 "cannot create multiple sta/adhoc ifaces\n");
1617 return ERR_PTR(-EINVAL);
1620 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1622 return ERR_PTR(-ENOMEM);
1624 wdev->wiphy = wiphy;
1626 wdev->iftype = NL80211_IFTYPE_STATION;
1628 if (type == NL80211_IFTYPE_UNSPECIFIED)
1629 priv->bss_mode = NL80211_IFTYPE_STATION;
1631 priv->bss_mode = type;
1633 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
1634 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
1635 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
1636 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
1640 case NL80211_IFTYPE_AP:
1641 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
1643 if (priv->bss_mode) {
1644 wiphy_err(wiphy, "Can't create multiple AP interfaces");
1645 return ERR_PTR(-EINVAL);
1648 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1650 return ERR_PTR(-ENOMEM);
1653 wdev->wiphy = wiphy;
1654 wdev->iftype = NL80211_IFTYPE_AP;
1656 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
1657 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
1658 priv->bss_priority = MWIFIEX_BSS_ROLE_UAP;
1659 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
1660 priv->bss_started = 0;
1662 priv->bss_mode = type;
1666 wiphy_err(wiphy, "type not supported\n");
1667 return ERR_PTR(-EINVAL);
1670 dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name,
1673 wiphy_err(wiphy, "no memory available for netdevice\n");
1674 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1675 return ERR_PTR(-ENOMEM);
1678 mwifiex_init_priv_params(priv, dev);
1681 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
1683 if (adapter->config_bands & BAND_A)
1684 mwifiex_setup_ht_caps(
1685 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
1687 dev_net_set(dev, wiphy_net(wiphy));
1688 dev->ieee80211_ptr = priv->wdev;
1689 dev->ieee80211_ptr->iftype = priv->bss_mode;
1690 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
1691 memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
1692 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
1694 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
1695 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
1696 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
1698 mdev_priv = netdev_priv(dev);
1699 *((unsigned long *) mdev_priv) = (unsigned long) priv;
1701 SET_NETDEV_DEV(dev, adapter->dev);
1703 /* Register network device */
1704 if (register_netdevice(dev)) {
1705 wiphy_err(wiphy, "cannot register virtual network device\n");
1707 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1708 return ERR_PTR(-EFAULT);
1711 sema_init(&priv->async_sem, 1);
1712 priv->scan_pending_on_block = false;
1714 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
1716 #ifdef CONFIG_DEBUG_FS
1717 mwifiex_dev_debugfs_init(priv);
1721 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
1724 * del_virtual_intf: remove the virtual interface determined by dev
1726 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
1728 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
1730 #ifdef CONFIG_DEBUG_FS
1731 mwifiex_dev_debugfs_remove(priv);
1734 if (!netif_queue_stopped(priv->netdev))
1735 netif_stop_queue(priv->netdev);
1737 if (netif_carrier_ok(priv->netdev))
1738 netif_carrier_off(priv->netdev);
1740 if (wdev->netdev->reg_state == NETREG_REGISTERED)
1741 unregister_netdevice(wdev->netdev);
1743 if (wdev->netdev->reg_state == NETREG_UNREGISTERED)
1744 free_netdev(wdev->netdev);
1746 /* Clear the priv in adapter */
1747 priv->netdev = NULL;
1749 priv->media_connected = false;
1751 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1755 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
1757 /* station cfg80211 operations */
1758 static struct cfg80211_ops mwifiex_cfg80211_ops = {
1759 .add_virtual_intf = mwifiex_add_virtual_intf,
1760 .del_virtual_intf = mwifiex_del_virtual_intf,
1761 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
1762 .scan = mwifiex_cfg80211_scan,
1763 .connect = mwifiex_cfg80211_connect,
1764 .disconnect = mwifiex_cfg80211_disconnect,
1765 .get_station = mwifiex_cfg80211_get_station,
1766 .dump_station = mwifiex_cfg80211_dump_station,
1767 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
1768 .join_ibss = mwifiex_cfg80211_join_ibss,
1769 .leave_ibss = mwifiex_cfg80211_leave_ibss,
1770 .add_key = mwifiex_cfg80211_add_key,
1771 .del_key = mwifiex_cfg80211_del_key,
1772 .set_default_key = mwifiex_cfg80211_set_default_key,
1773 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
1774 .set_tx_power = mwifiex_cfg80211_set_tx_power,
1775 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
1776 .start_ap = mwifiex_cfg80211_start_ap,
1777 .stop_ap = mwifiex_cfg80211_stop_ap,
1778 .change_beacon = mwifiex_cfg80211_change_beacon,
1779 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
1780 .set_antenna = mwifiex_cfg80211_set_antenna,
1784 * This function registers the device with CFG802.11 subsystem.
1786 * The function creates the wireless device/wiphy, populates it with
1787 * default parameters and handler function pointers, and finally
1788 * registers the device.
1791 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
1795 struct wiphy *wiphy;
1796 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
1799 /* create a new wiphy for use with cfg80211 */
1800 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
1801 sizeof(struct mwifiex_adapter *));
1803 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
1806 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
1807 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
1808 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1809 BIT(NL80211_IFTYPE_ADHOC) |
1810 BIT(NL80211_IFTYPE_AP);
1812 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
1813 if (adapter->config_bands & BAND_A)
1814 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
1816 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
1818 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
1819 wiphy->n_iface_combinations = 1;
1821 /* Initialize cipher suits */
1822 wiphy->cipher_suites = mwifiex_cipher_suites;
1823 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
1825 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
1826 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1827 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1828 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1830 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1831 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2;
1833 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
1834 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
1836 wiphy->features = NL80211_FEATURE_HT_IBSS;
1838 /* Reserve space for mwifiex specific private data for BSS */
1839 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
1841 wiphy->reg_notifier = mwifiex_reg_notifier;
1843 /* Set struct mwifiex_adapter pointer in wiphy_priv */
1844 wdev_priv = wiphy_priv(wiphy);
1845 *(unsigned long *)wdev_priv = (unsigned long)adapter;
1847 set_wiphy_dev(wiphy, priv->adapter->dev);
1849 ret = wiphy_register(wiphy);
1851 dev_err(adapter->dev,
1852 "%s: wiphy_register failed: %d\n", __func__, ret);
1856 country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
1857 if (country_code && regulatory_hint(wiphy, country_code))
1858 dev_err(adapter->dev, "regulatory_hint() failed\n");
1860 adapter->wiphy = wiphy;