2 * Marvell Wireless LAN device driver: functions for station ioctl
4 * Copyright (C) 2011-2014, 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.
29 static int disconnect_on_suspend;
30 module_param(disconnect_on_suspend, int, 0644);
33 * Copies the multicast address list from device to driver.
35 * This function does not validate the destination memory for
36 * size, and the calling function must ensure enough memory is
39 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
40 struct net_device *dev)
43 struct netdev_hw_addr *ha;
45 netdev_for_each_mc_addr(ha, dev)
46 memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN);
52 * Wait queue completion handler.
54 * This function waits on a cmd wait queue. It also cancels the pending
55 * request after waking up, in case of errors.
57 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter,
58 struct cmd_ctrl_node *cmd_queued)
62 /* Wait for completion */
63 status = wait_event_interruptible_timeout(adapter->cmd_wait_q.wait,
64 *(cmd_queued->condition),
69 mwifiex_dbg(adapter, ERROR, "cmd_wait_q terminated: %d\n",
71 mwifiex_cancel_all_pending_cmd(adapter);
75 status = adapter->cmd_wait_q.status;
76 adapter->cmd_wait_q.status = 0;
82 * This function prepares the correct firmware command and
83 * issues it to set the multicast list.
85 * This function can be used to enable promiscuous mode, or enable all
86 * multicast packets, or to enable selective multicast.
88 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
89 struct mwifiex_multicast_list *mcast_list)
94 old_pkt_filter = priv->curr_pkt_filter;
96 if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
97 mwifiex_dbg(priv->adapter, INFO,
98 "info: Enable Promiscuous mode\n");
99 priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
100 priv->curr_pkt_filter &=
101 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
104 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
105 if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) {
106 mwifiex_dbg(priv->adapter, INFO,
107 "info: Enabling All Multicast!\n");
108 priv->curr_pkt_filter |=
109 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
111 priv->curr_pkt_filter &=
112 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
113 mwifiex_dbg(priv->adapter, INFO,
114 "info: Set multicast list=%d\n",
115 mcast_list->num_multicast_addr);
116 /* Send multicast addresses to firmware */
117 ret = mwifiex_send_cmd(priv,
118 HostCmd_CMD_MAC_MULTICAST_ADR,
119 HostCmd_ACT_GEN_SET, 0,
123 mwifiex_dbg(priv->adapter, INFO,
124 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
125 old_pkt_filter, priv->curr_pkt_filter);
126 if (old_pkt_filter != priv->curr_pkt_filter) {
127 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
129 0, &priv->curr_pkt_filter, false);
136 * This function fills bss descriptor structure using provided
138 * beacon_ie buffer is allocated in this function. It is caller's
139 * responsibility to free the memory.
141 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
142 struct cfg80211_bss *bss,
143 struct mwifiex_bssdescriptor *bss_desc)
146 size_t beacon_ie_len;
147 struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
148 const struct cfg80211_bss_ies *ies;
152 ies = rcu_dereference(bss->ies);
153 beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
154 beacon_ie_len = ies->len;
155 bss_desc->timestamp = ies->tsf;
159 mwifiex_dbg(priv->adapter, ERROR,
160 " failed to alloc beacon_ie\n");
164 memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
165 bss_desc->rssi = bss->signal;
166 /* The caller of this function will free beacon_ie */
167 bss_desc->beacon_buf = beacon_ie;
168 bss_desc->beacon_buf_size = beacon_ie_len;
169 bss_desc->beacon_period = bss->beacon_interval;
170 bss_desc->cap_info_bitmap = bss->capability;
171 bss_desc->bss_band = bss_priv->band;
172 bss_desc->fw_tsf = bss_priv->fw_tsf;
173 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
174 mwifiex_dbg(priv->adapter, INFO,
175 "info: InterpretIE: AP WEP enabled\n");
176 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
178 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
180 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
181 bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
183 bss_desc->bss_mode = NL80211_IFTYPE_STATION;
185 /* Disable 11ac by default. Enable it only where there
186 * exist VHT_CAP IE in AP beacon
188 bss_desc->disable_11ac = true;
190 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
191 bss_desc->sensed_11h = true;
193 ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
197 /* Update HT40 capability based on current channel information */
198 if (bss_desc->bcn_ht_oper && bss_desc->bcn_ht_cap) {
199 u8 ht_param = bss_desc->bcn_ht_oper->ht_param;
200 u8 radio = mwifiex_band_to_radio_type(bss_desc->bss_band);
201 struct ieee80211_supported_band *sband =
202 priv->wdev.wiphy->bands[radio];
203 int freq = ieee80211_channel_to_frequency(bss_desc->channel,
205 struct ieee80211_channel *chan =
206 ieee80211_get_channel(priv->adapter->wiphy, freq);
208 switch (ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
209 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
210 if (chan->flags & IEEE80211_CHAN_NO_HT40PLUS) {
212 ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
213 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40;
216 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
217 IEEE80211_HT_CAP_SGI_40;
220 case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
221 if (chan->flags & IEEE80211_CHAN_NO_HT40MINUS) {
223 ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
224 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40;
227 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
228 IEEE80211_HT_CAP_SGI_40;
237 void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv)
239 if (priv->adapter->dt_node) {
240 char txpwr[] = {"marvell,00_txpwrlimit"};
242 memcpy(&txpwr[8], priv->adapter->country_code, 2);
243 mwifiex_dnld_dt_cfgdata(priv, priv->adapter->dt_node, txpwr);
247 static int mwifiex_process_country_ie(struct mwifiex_private *priv,
248 struct cfg80211_bss *bss)
250 const u8 *country_ie;
252 struct mwifiex_802_11d_domain_reg *domain_info =
253 &priv->adapter->domain_reg;
256 country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
262 country_ie_len = country_ie[1];
263 if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) {
268 if (!strncmp(priv->adapter->country_code, &country_ie[2], 2)) {
270 mwifiex_dbg(priv->adapter, INFO,
271 "11D: skip setting domain info in FW\n");
276 (IEEE80211_COUNTRY_STRING_LEN + MWIFIEX_MAX_TRIPLET_802_11D)) {
278 mwifiex_dbg(priv->adapter, ERROR,
279 "11D: country_ie_len overflow!, deauth AP\n");
283 memcpy(priv->adapter->country_code, &country_ie[2], 2);
285 domain_info->country_code[0] = country_ie[2];
286 domain_info->country_code[1] = country_ie[3];
287 domain_info->country_code[2] = ' ';
289 country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
291 domain_info->no_of_triplet =
292 country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
294 memcpy((u8 *)domain_info->triplet,
295 &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
299 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
300 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
301 mwifiex_dbg(priv->adapter, ERROR,
302 "11D: setting domain info in FW fail\n");
306 mwifiex_dnld_txpwr_table(priv);
312 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
313 * In both Ad-Hoc and infra mode, an deauthentication is performed
316 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
317 struct cfg80211_ssid *req_ssid)
320 struct mwifiex_adapter *adapter = priv->adapter;
321 struct mwifiex_bssdescriptor *bss_desc = NULL;
323 priv->scan_block = false;
326 if (adapter->region_code == 0x00 &&
327 mwifiex_process_country_ie(priv, bss))
330 /* Allocate and fill new bss descriptor */
331 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
336 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
341 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
342 priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
348 if (mwifiex_band_to_radio_type(bss_desc->bss_band) ==
349 HostCmd_SCAN_RADIO_TYPE_BG) {
350 config_bands = BAND_B | BAND_G | BAND_GN;
352 config_bands = BAND_A | BAND_AN;
353 if (adapter->fw_bands & BAND_AAC)
354 config_bands |= BAND_AAC;
357 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands))
358 adapter->config_bands = config_bands;
360 ret = mwifiex_check_network_compatibility(priv, bss_desc);
364 if (mwifiex_11h_get_csa_closed_channel(priv) ==
365 (u8)bss_desc->channel) {
366 mwifiex_dbg(adapter, ERROR,
367 "Attempt to reconnect on csa closed chan(%d)\n",
373 mwifiex_dbg(adapter, INFO,
374 "info: SSID found in scan list ...\t"
377 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
378 if (netif_carrier_ok(priv->netdev))
379 netif_carrier_off(priv->netdev);
381 /* Clear any past association response stored for
382 * application retrieval */
383 priv->assoc_rsp_size = 0;
384 ret = mwifiex_associate(priv, bss_desc);
386 /* If auth type is auto and association fails using open mode,
387 * try to connect using shared mode */
388 if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
389 priv->sec_info.is_authtype_auto &&
390 priv->sec_info.wep_enabled) {
391 priv->sec_info.authentication_mode =
392 NL80211_AUTHTYPE_SHARED_KEY;
393 ret = mwifiex_associate(priv, bss_desc);
397 cfg80211_put_bss(priv->adapter->wiphy, bss);
400 /* If the requested SSID matches current SSID, return */
401 if (bss_desc && bss_desc->ssid.ssid_len &&
402 (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
403 ssid, &bss_desc->ssid))) {
408 priv->adhoc_is_link_sensed = false;
410 ret = mwifiex_check_network_compatibility(priv, bss_desc);
412 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
413 if (netif_carrier_ok(priv->netdev))
414 netif_carrier_off(priv->netdev);
417 mwifiex_dbg(adapter, INFO,
418 "info: network found in scan\t"
419 " list. Joining...\n");
420 ret = mwifiex_adhoc_join(priv, bss_desc);
422 cfg80211_put_bss(priv->adapter->wiphy, bss);
424 mwifiex_dbg(adapter, INFO,
425 "info: Network not found in\t"
426 "the list, creating adhoc with ssid = %s\n",
428 ret = mwifiex_adhoc_start(priv, req_ssid);
433 /* beacon_ie buffer was allocated in function
434 * mwifiex_fill_new_bss_desc(). Free it now.
437 kfree(bss_desc->beacon_buf);
441 priv->attempted_bss_desc = NULL;
447 * IOCTL request handler to set host sleep configuration.
449 * This function prepares the correct firmware command and
452 int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
453 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
456 struct mwifiex_adapter *adapter = priv->adapter;
464 case HostCmd_ACT_GEN_SET:
465 if (adapter->pps_uapsd_mode) {
466 mwifiex_dbg(adapter, INFO,
467 "info: Host Sleep IOCTL\t"
468 "is blocked in UAPSD/PPS mode\n");
472 if (hs_cfg->is_invoke_hostcmd) {
473 if (hs_cfg->conditions == HS_CFG_CANCEL) {
474 if (!adapter->is_hs_configured)
475 /* Already cancelled */
477 /* Save previous condition */
478 prev_cond = le32_to_cpu(adapter->hs_cfg
480 adapter->hs_cfg.conditions =
481 cpu_to_le32(hs_cfg->conditions);
482 } else if (hs_cfg->conditions) {
483 adapter->hs_cfg.conditions =
484 cpu_to_le32(hs_cfg->conditions);
485 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
487 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
488 } else if (adapter->hs_cfg.conditions ==
489 cpu_to_le32(HS_CFG_CANCEL)) {
490 /* Return failure if no parameters for HS
496 status = mwifiex_send_cmd(priv,
497 HostCmd_CMD_802_11_HS_CFG_ENH,
498 HostCmd_ACT_GEN_SET, 0,
500 cmd_type == MWIFIEX_SYNC_CMD);
502 if (hs_cfg->conditions == HS_CFG_CANCEL)
503 /* Restore previous condition */
504 adapter->hs_cfg.conditions =
505 cpu_to_le32(prev_cond);
507 adapter->hs_cfg.conditions =
508 cpu_to_le32(hs_cfg->conditions);
509 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
510 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
513 case HostCmd_ACT_GEN_GET:
514 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
515 hs_cfg->gpio = adapter->hs_cfg.gpio;
516 hs_cfg->gap = adapter->hs_cfg.gap;
527 * Sends IOCTL request to cancel the existing Host Sleep configuration.
529 * This function allocates the IOCTL request buffer, fills it
530 * with requisite parameters and calls the IOCTL handler.
532 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
534 struct mwifiex_ds_hs_cfg hscfg;
536 hscfg.conditions = HS_CFG_CANCEL;
537 hscfg.is_invoke_hostcmd = true;
539 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
542 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
545 * Sends IOCTL request to cancel the existing Host Sleep configuration.
547 * This function allocates the IOCTL request buffer, fills it
548 * with requisite parameters and calls the IOCTL handler.
550 int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
552 struct mwifiex_ds_hs_cfg hscfg;
553 struct mwifiex_private *priv;
556 if (disconnect_on_suspend) {
557 for (i = 0; i < adapter->priv_num; i++) {
558 priv = adapter->priv[i];
560 mwifiex_deauthenticate(priv, NULL);
564 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
566 if (priv && priv->sched_scanning) {
568 if (priv->wdev.wiphy->wowlan_config &&
569 !priv->wdev.wiphy->wowlan_config->nd_config) {
571 mwifiex_dbg(adapter, CMD, "aborting bgscan!\n");
572 mwifiex_stop_bg_scan(priv);
573 cfg80211_sched_scan_stopped(priv->wdev.wiphy);
579 if (adapter->hs_activated) {
580 mwifiex_dbg(adapter, CMD,
581 "cmd: HS Already activated\n");
585 adapter->hs_activate_wait_q_woken = false;
587 memset(&hscfg, 0, sizeof(hscfg));
588 hscfg.is_invoke_hostcmd = true;
590 adapter->hs_enabling = true;
591 mwifiex_cancel_all_pending_cmd(adapter);
593 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
594 MWIFIEX_BSS_ROLE_STA),
595 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
597 mwifiex_dbg(adapter, ERROR,
598 "IOCTL request HS enable failed\n");
602 if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q,
603 adapter->hs_activate_wait_q_woken,
605 mwifiex_dbg(adapter, ERROR,
606 "hs_activate_wait_q terminated\n");
612 EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
615 * IOCTL request handler to get BSS information.
617 * This function collates the information from different driver structures
618 * to send to the user.
620 int mwifiex_get_bss_info(struct mwifiex_private *priv,
621 struct mwifiex_bss_info *info)
623 struct mwifiex_adapter *adapter = priv->adapter;
624 struct mwifiex_bssdescriptor *bss_desc;
629 bss_desc = &priv->curr_bss_params.bss_descriptor;
631 info->bss_mode = priv->bss_mode;
633 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
635 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
637 info->bss_chan = bss_desc->channel;
639 memcpy(info->country_code, adapter->country_code,
640 IEEE80211_COUNTRY_STRING_LEN);
642 info->media_connected = priv->media_connected;
644 info->max_power_level = priv->max_tx_power_level;
645 info->min_power_level = priv->min_tx_power_level;
647 info->adhoc_state = priv->adhoc_state;
649 info->bcn_nf_last = priv->bcn_nf_last;
651 if (priv->sec_info.wep_enabled)
652 info->wep_status = true;
654 info->wep_status = false;
656 info->is_hs_configured = adapter->is_hs_configured;
657 info->is_deep_sleep = adapter->is_deep_sleep;
663 * The function disables auto deep sleep mode.
665 int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
667 struct mwifiex_ds_auto_ds auto_ds;
669 auto_ds.auto_ds = DEEP_SLEEP_OFF;
671 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
672 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true);
674 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
677 * Sends IOCTL request to get the data rate.
679 * This function allocates the IOCTL request buffer, fills it
680 * with requisite parameters and calls the IOCTL handler.
682 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
686 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
687 HostCmd_ACT_GEN_GET, 0, NULL, true);
690 if (priv->is_data_rate_auto)
691 *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
694 *rate = priv->data_rate;
701 * IOCTL request handler to set tx power configuration.
703 * This function prepares the correct firmware command and
706 * For non-auto power mode, all the following power groups are set -
707 * - Modulation class HR/DSSS
708 * - Modulation class OFDM
709 * - Modulation class HTBW20
710 * - Modulation class HTBW40
712 int mwifiex_set_tx_power(struct mwifiex_private *priv,
713 struct mwifiex_power_cfg *power_cfg)
716 struct host_cmd_ds_txpwr_cfg *txp_cfg;
717 struct mwifiex_types_power_group *pg_tlv;
718 struct mwifiex_power_group *pg;
722 if (!power_cfg->is_power_auto) {
723 dbm = (u16) power_cfg->power_level;
724 if ((dbm < priv->min_tx_power_level) ||
725 (dbm > priv->max_tx_power_level)) {
726 mwifiex_dbg(priv->adapter, ERROR,
727 "txpower value %d dBm\t"
728 "is out of range (%d dBm-%d dBm)\n",
729 dbm, priv->min_tx_power_level,
730 priv->max_tx_power_level);
734 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
738 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
739 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
740 if (!power_cfg->is_power_auto) {
741 u16 dbm_min = power_cfg->is_power_fixed ?
742 dbm : priv->min_tx_power_level;
744 txp_cfg->mode = cpu_to_le32(1);
745 pg_tlv = (struct mwifiex_types_power_group *)
746 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
747 pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP);
749 cpu_to_le16(4 * sizeof(struct mwifiex_power_group));
750 pg = (struct mwifiex_power_group *)
751 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
752 + sizeof(struct mwifiex_types_power_group));
753 /* Power group for modulation class HR/DSSS */
754 pg->first_rate_code = 0x00;
755 pg->last_rate_code = 0x03;
756 pg->modulation_class = MOD_CLASS_HR_DSSS;
758 pg->power_min = (s8) dbm_min;
759 pg->power_max = (s8) dbm;
761 /* Power group for modulation class OFDM */
762 pg->first_rate_code = 0x00;
763 pg->last_rate_code = 0x07;
764 pg->modulation_class = MOD_CLASS_OFDM;
766 pg->power_min = (s8) dbm_min;
767 pg->power_max = (s8) dbm;
769 /* Power group for modulation class HTBW20 */
770 pg->first_rate_code = 0x00;
771 pg->last_rate_code = 0x20;
772 pg->modulation_class = MOD_CLASS_HT;
774 pg->power_min = (s8) dbm_min;
775 pg->power_max = (s8) dbm;
776 pg->ht_bandwidth = HT_BW_20;
778 /* Power group for modulation class HTBW40 */
779 pg->first_rate_code = 0x00;
780 pg->last_rate_code = 0x20;
781 pg->modulation_class = MOD_CLASS_HT;
783 pg->power_min = (s8) dbm_min;
784 pg->power_max = (s8) dbm;
785 pg->ht_bandwidth = HT_BW_40;
787 ret = mwifiex_send_cmd(priv, HostCmd_CMD_TXPWR_CFG,
788 HostCmd_ACT_GEN_SET, 0, buf, true);
795 * IOCTL request handler to get power save mode.
797 * This function prepares the correct firmware command and
800 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
803 struct mwifiex_adapter *adapter = priv->adapter;
807 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
809 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
810 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
811 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
812 sub_cmd, BITMAP_STA_PS, NULL, true);
813 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
814 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
815 GET_PS, 0, NULL, false);
821 * IOCTL request handler to set/reset WPA IE.
823 * The supplied WPA IE is treated as a opaque buffer. Only the first field
824 * is checked to determine WPA version. If buffer length is zero, the existing
827 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
828 u8 *ie_data_ptr, u16 ie_len)
831 if (ie_len > sizeof(priv->wpa_ie)) {
832 mwifiex_dbg(priv->adapter, ERROR,
833 "failed to copy WPA IE, too big\n");
836 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
837 priv->wpa_ie_len = ie_len;
838 mwifiex_dbg(priv->adapter, CMD,
839 "cmd: Set Wpa_ie_len=%d IE=%#x\n",
840 priv->wpa_ie_len, priv->wpa_ie[0]);
842 if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
843 priv->sec_info.wpa_enabled = true;
844 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
845 priv->sec_info.wpa2_enabled = true;
847 priv->sec_info.wpa_enabled = false;
848 priv->sec_info.wpa2_enabled = false;
851 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
852 priv->wpa_ie_len = 0;
853 mwifiex_dbg(priv->adapter, INFO,
854 "info: reset wpa_ie_len=%d IE=%#x\n",
855 priv->wpa_ie_len, priv->wpa_ie[0]);
856 priv->sec_info.wpa_enabled = false;
857 priv->sec_info.wpa2_enabled = false;
864 * IOCTL request handler to set/reset WAPI IE.
866 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
867 * is checked to internally enable WAPI. If buffer length is zero, the existing
870 static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
871 u8 *ie_data_ptr, u16 ie_len)
874 if (ie_len > sizeof(priv->wapi_ie)) {
875 mwifiex_dbg(priv->adapter, ERROR,
876 "info: failed to copy WAPI IE, too big\n");
879 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
880 priv->wapi_ie_len = ie_len;
881 mwifiex_dbg(priv->adapter, CMD,
882 "cmd: Set wapi_ie_len=%d IE=%#x\n",
883 priv->wapi_ie_len, priv->wapi_ie[0]);
885 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
886 priv->sec_info.wapi_enabled = true;
888 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
889 priv->wapi_ie_len = ie_len;
890 mwifiex_dbg(priv->adapter, INFO,
891 "info: Reset wapi_ie_len=%d IE=%#x\n",
892 priv->wapi_ie_len, priv->wapi_ie[0]);
893 priv->sec_info.wapi_enabled = false;
899 * IOCTL request handler to set/reset WPS IE.
901 * The supplied WPS IE is treated as a opaque buffer. Only the first field
902 * is checked to internally enable WPS. If buffer length is zero, the existing
905 static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
906 u8 *ie_data_ptr, u16 ie_len)
909 if (ie_len > MWIFIEX_MAX_VSIE_LEN) {
910 mwifiex_dbg(priv->adapter, ERROR,
911 "info: failed to copy WPS IE, too big\n");
915 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
919 memcpy(priv->wps_ie, ie_data_ptr, ie_len);
920 priv->wps_ie_len = ie_len;
921 mwifiex_dbg(priv->adapter, CMD,
922 "cmd: Set wps_ie_len=%d IE=%#x\n",
923 priv->wps_ie_len, priv->wps_ie[0]);
926 priv->wps_ie_len = ie_len;
927 mwifiex_dbg(priv->adapter, INFO,
928 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
934 * IOCTL request handler to set WAPI key.
936 * This function prepares the correct firmware command and
939 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
940 struct mwifiex_ds_encrypt_key *encrypt_key)
943 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
944 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
949 * IOCTL request handler to set WEP network key.
951 * This function prepares the correct firmware command and
952 * issues it, after validation checks.
954 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
955 struct mwifiex_ds_encrypt_key *encrypt_key)
957 struct mwifiex_adapter *adapter = priv->adapter;
959 struct mwifiex_wep_key *wep_key;
962 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
963 priv->wep_key_curr_index = 0;
964 wep_key = &priv->wep_key[priv->wep_key_curr_index];
965 index = encrypt_key->key_index;
966 if (encrypt_key->key_disable) {
967 priv->sec_info.wep_enabled = 0;
968 } else if (!encrypt_key->key_len) {
969 /* Copy the required key as the current key */
970 wep_key = &priv->wep_key[index];
971 if (!wep_key->key_length) {
972 mwifiex_dbg(adapter, ERROR,
973 "key not set, so cannot enable it\n");
977 if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) {
978 memcpy(encrypt_key->key_material,
979 wep_key->key_material, wep_key->key_length);
980 encrypt_key->key_len = wep_key->key_length;
983 priv->wep_key_curr_index = (u16) index;
984 priv->sec_info.wep_enabled = 1;
986 wep_key = &priv->wep_key[index];
987 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
988 /* Copy the key in the driver */
989 memcpy(wep_key->key_material,
990 encrypt_key->key_material,
991 encrypt_key->key_len);
992 wep_key->key_index = index;
993 wep_key->key_length = encrypt_key->key_len;
994 priv->sec_info.wep_enabled = 1;
996 if (wep_key->key_length) {
999 if (encrypt_key->key_disable) {
1000 memset(&priv->wep_key[index], 0,
1001 sizeof(struct mwifiex_wep_key));
1005 if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
1006 enc_key = encrypt_key;
1010 /* Send request to firmware */
1011 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1012 HostCmd_ACT_GEN_SET, 0, enc_key, false);
1018 if (priv->sec_info.wep_enabled)
1019 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1021 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1023 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
1024 HostCmd_ACT_GEN_SET, 0,
1025 &priv->curr_pkt_filter, true);
1031 * IOCTL request handler to set WPA key.
1033 * This function prepares the correct firmware command and
1034 * issues it, after validation checks.
1036 * Current driver only supports key length of up to 32 bytes.
1038 * This function can also be used to disable a currently set key.
1040 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
1041 struct mwifiex_ds_encrypt_key *encrypt_key)
1044 u8 remove_key = false;
1045 struct host_cmd_ds_802_11_key_material *ibss_key;
1047 /* Current driver only supports key length of up to 32 bytes */
1048 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
1049 mwifiex_dbg(priv->adapter, ERROR,
1050 "key length too long\n");
1054 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1056 * IBSS/WPA-None uses only one key (Group) for both receiving
1057 * and sending unicast and multicast packets.
1059 /* Send the key as PTK to firmware */
1060 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1061 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1062 HostCmd_ACT_GEN_SET,
1063 KEY_INFO_ENABLED, encrypt_key, false);
1067 ibss_key = &priv->aes_key;
1069 sizeof(struct host_cmd_ds_802_11_key_material));
1070 /* Copy the key in the driver */
1071 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
1072 encrypt_key->key_len);
1073 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
1074 sizeof(ibss_key->key_param_set.key_len));
1075 ibss_key->key_param_set.key_type_id
1076 = cpu_to_le16(KEY_TYPE_ID_TKIP);
1077 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
1079 /* Send the key as GTK to firmware */
1080 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
1083 if (!encrypt_key->key_index)
1084 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1087 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1088 HostCmd_ACT_GEN_SET,
1089 !KEY_INFO_ENABLED, encrypt_key, true);
1091 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1092 HostCmd_ACT_GEN_SET,
1093 KEY_INFO_ENABLED, encrypt_key, true);
1099 * IOCTL request handler to set/get network keys.
1101 * This is a generic key handling function which supports WEP, WPA
1105 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
1106 struct mwifiex_ds_encrypt_key *encrypt_key)
1110 if (encrypt_key->is_wapi_key)
1111 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
1112 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
1113 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
1115 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
1120 * This function returns the driver version.
1123 mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
1132 ver.l = cpu_to_le32(adapter->fw_release_number);
1133 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
1135 snprintf(version, max_len, driver_version, fw_ver);
1137 mwifiex_dbg(adapter, MSG, "info: MWIFIEX VERSION: %s\n", version);
1143 * Sends IOCTL request to set encoding parameters.
1145 * This function allocates the IOCTL request buffer, fills it
1146 * with requisite parameters and calls the IOCTL handler.
1148 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
1149 const u8 *key, int key_len, u8 key_index,
1150 const u8 *mac_addr, int disable)
1152 struct mwifiex_ds_encrypt_key encrypt_key;
1154 memset(&encrypt_key, 0, sizeof(encrypt_key));
1155 encrypt_key.key_len = key_len;
1156 encrypt_key.key_index = key_index;
1158 if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
1159 encrypt_key.is_igtk_key = true;
1163 memcpy(encrypt_key.key_material, key, key_len);
1165 encrypt_key.is_current_wep_key = true;
1168 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1169 if (kp && kp->seq && kp->seq_len) {
1170 memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
1171 encrypt_key.pn_len = kp->seq_len;
1172 encrypt_key.is_rx_seq_valid = true;
1175 encrypt_key.key_disable = true;
1177 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1180 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1184 * Sends IOCTL request to get extended version.
1186 * This function allocates the IOCTL request buffer, fills it
1187 * with requisite parameters and calls the IOCTL handler.
1190 mwifiex_get_ver_ext(struct mwifiex_private *priv, u32 version_str_sel)
1192 struct mwifiex_ver_ext ver_ext;
1194 memset(&ver_ext, 0, sizeof(ver_ext));
1195 ver_ext.version_str_sel = version_str_sel;
1196 if (mwifiex_send_cmd(priv, HostCmd_CMD_VERSION_EXT,
1197 HostCmd_ACT_GEN_GET, 0, &ver_ext, true))
1204 mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1205 struct ieee80211_channel *chan,
1206 unsigned int duration)
1208 struct host_cmd_ds_remain_on_chan roc_cfg;
1211 memset(&roc_cfg, 0, sizeof(roc_cfg));
1212 roc_cfg.action = cpu_to_le16(action);
1213 if (action == HostCmd_ACT_GEN_SET) {
1214 roc_cfg.band_cfg = chan->band;
1215 sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
1216 roc_cfg.band_cfg |= (sc << 2);
1219 ieee80211_frequency_to_channel(chan->center_freq);
1220 roc_cfg.duration = cpu_to_le32(duration);
1222 if (mwifiex_send_cmd(priv, HostCmd_CMD_REMAIN_ON_CHAN,
1223 action, 0, &roc_cfg, true)) {
1224 mwifiex_dbg(priv->adapter, ERROR,
1225 "failed to remain on channel\n");
1229 return roc_cfg.status;
1233 * Sends IOCTL request to get statistics information.
1235 * This function allocates the IOCTL request buffer, fills it
1236 * with requisite parameters and calls the IOCTL handler.
1239 mwifiex_get_stats_info(struct mwifiex_private *priv,
1240 struct mwifiex_ds_get_stats *log)
1242 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_GET_LOG,
1243 HostCmd_ACT_GEN_GET, 0, log, true);
1247 * IOCTL request handler to read/write register.
1249 * This function prepares the correct firmware command and
1252 * Access to the following registers are supported -
1259 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1260 struct mwifiex_ds_reg_rw *reg_rw,
1265 switch (reg_rw->type) {
1266 case MWIFIEX_REG_MAC:
1267 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1269 case MWIFIEX_REG_BBP:
1270 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1272 case MWIFIEX_REG_RF:
1273 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1275 case MWIFIEX_REG_PMIC:
1276 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1278 case MWIFIEX_REG_CAU:
1279 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1285 return mwifiex_send_cmd(priv, cmd_no, action, 0, reg_rw, true);
1289 * Sends IOCTL request to write to a register.
1291 * This function allocates the IOCTL request buffer, fills it
1292 * with requisite parameters and calls the IOCTL handler.
1295 mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1296 u32 reg_offset, u32 reg_value)
1298 struct mwifiex_ds_reg_rw reg_rw;
1300 reg_rw.type = reg_type;
1301 reg_rw.offset = reg_offset;
1302 reg_rw.value = reg_value;
1304 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1308 * Sends IOCTL request to read from a register.
1310 * This function allocates the IOCTL request buffer, fills it
1311 * with requisite parameters and calls the IOCTL handler.
1314 mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1315 u32 reg_offset, u32 *value)
1318 struct mwifiex_ds_reg_rw reg_rw;
1320 reg_rw.type = reg_type;
1321 reg_rw.offset = reg_offset;
1322 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1327 *value = reg_rw.value;
1334 * Sends IOCTL request to read from EEPROM.
1336 * This function allocates the IOCTL request buffer, fills it
1337 * with requisite parameters and calls the IOCTL handler.
1340 mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1344 struct mwifiex_ds_read_eeprom rd_eeprom;
1346 rd_eeprom.offset = offset;
1347 rd_eeprom.byte_count = bytes;
1349 /* Send request to firmware */
1350 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1351 HostCmd_ACT_GEN_GET, 0, &rd_eeprom, true);
1354 memcpy(value, rd_eeprom.value, min((u16)MAX_EEPROM_DATA,
1355 rd_eeprom.byte_count));
1360 * This function sets a generic IE. In addition to generic IE, it can
1361 * also handle WPA, WPA2 and WAPI IEs.
1364 mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1368 struct ieee_types_vendor_header *pvendor_ie;
1369 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1370 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1371 u16 unparsed_len = ie_len;
1372 int find_wpa_ie = 0;
1374 /* If the passed length is zero, reset the buffer */
1376 priv->gen_ie_buf_len = 0;
1377 priv->wps.session_enable = false;
1380 } else if (!ie_data_ptr) {
1383 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1385 while (pvendor_ie) {
1386 if (pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) {
1387 /* Test to see if it is a WPA IE, if not, then it is a
1390 if (!memcmp(&pvendor_ie->oui, wpa_oui,
1396 /* Test to see if it is a WPS IE, if so, enable
1399 if (!memcmp(&pvendor_ie->oui, wps_oui,
1401 priv->wps.session_enable = true;
1402 mwifiex_dbg(priv->adapter, MSG,
1403 "info: WPS Session Enabled.\n");
1404 ret = mwifiex_set_wps_ie(priv,
1410 if (pvendor_ie->element_id == WLAN_EID_RSN) {
1415 if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1416 /* IE is a WAPI IE so call set_wapi function */
1417 ret = mwifiex_set_wapi_ie(priv, (u8 *)pvendor_ie,
1422 unparsed_len -= (pvendor_ie->len +
1423 sizeof(struct ieee_types_header));
1425 if (unparsed_len <= sizeof(struct ieee_types_header))
1428 pvendor_ie = (struct ieee_types_vendor_header *)
1429 (((u8 *)pvendor_ie) + pvendor_ie->len +
1430 sizeof(struct ieee_types_header));
1434 /* IE is a WPA/WPA2 IE so call set_wpa function */
1435 ret = mwifiex_set_wpa_ie_helper(priv, (u8 *)pvendor_ie,
1437 priv->wps.session_enable = false;
1442 * Verify that the passed length is not larger than the
1443 * available space remaining in the buffer
1445 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1447 /* Append the passed data to the end of the
1449 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1451 /* Increment the stored buffer length by the
1453 priv->gen_ie_buf_len += ie_len;
1455 /* Passed data does not fit in the remaining
1460 /* Return 0, or -1 for error case */
1465 * IOCTL request handler to set/get generic IE.
1467 * In addition to various generic IEs, this function can also be
1468 * used to set the ARP filter.
1470 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1471 struct mwifiex_ds_misc_gen_ie *gen_ie,
1474 struct mwifiex_adapter *adapter = priv->adapter;
1476 switch (gen_ie->type) {
1477 case MWIFIEX_IE_TYPE_GEN_IE:
1478 if (action == HostCmd_ACT_GEN_GET) {
1479 gen_ie->len = priv->wpa_ie_len;
1480 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1482 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1486 case MWIFIEX_IE_TYPE_ARP_FILTER:
1487 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1488 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1489 adapter->arp_filter_size = 0;
1490 mwifiex_dbg(adapter, ERROR,
1491 "invalid ARP filter size\n");
1494 memcpy(adapter->arp_filter, gen_ie->ie_data,
1496 adapter->arp_filter_size = gen_ie->len;
1500 mwifiex_dbg(adapter, ERROR, "invalid IE type\n");
1507 * Sends IOCTL request to set a generic IE.
1509 * This function allocates the IOCTL request buffer, fills it
1510 * with requisite parameters and calls the IOCTL handler.
1513 mwifiex_set_gen_ie(struct mwifiex_private *priv, const u8 *ie, int ie_len)
1515 struct mwifiex_ds_misc_gen_ie gen_ie;
1517 if (ie_len > IEEE_MAX_IE_SIZE)
1520 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1521 gen_ie.len = ie_len;
1522 memcpy(gen_ie.ie_data, ie, ie_len);
1523 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))
1529 /* This function get Host Sleep wake up reason.
1532 int mwifiex_get_wakeup_reason(struct mwifiex_private *priv, u16 action,
1534 struct mwifiex_ds_wakeup_reason *wakeup_reason)
1538 status = mwifiex_send_cmd(priv, HostCmd_CMD_HS_WAKEUP_REASON,
1539 HostCmd_ACT_GEN_GET, 0, wakeup_reason,
1540 cmd_type == MWIFIEX_SYNC_CMD);