2 * Marvell Wireless LAN device driver: functions for station ioctl
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.
30 * Copies the multicast address list from device to driver.
32 * This function does not validate the destination memory for
33 * size, and the calling function must ensure enough memory is
36 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
37 struct net_device *dev)
40 struct netdev_hw_addr *ha;
42 netdev_for_each_mc_addr(ha, dev)
43 memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN);
49 * Wait queue completion handler.
51 * This function waits on a cmd wait queue. It also cancels the pending
52 * request after waking up, in case of errors.
54 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
56 bool cancel_flag = false;
58 struct cmd_ctrl_node *cmd_queued;
60 if (!adapter->cmd_queued)
63 cmd_queued = adapter->cmd_queued;
64 adapter->cmd_queued = NULL;
66 dev_dbg(adapter->dev, "cmd pending\n");
67 atomic_inc(&adapter->cmd_pending);
69 /* Wait for completion */
70 wait_event_interruptible(adapter->cmd_wait_q.wait,
71 *(cmd_queued->condition));
72 if (!*(cmd_queued->condition))
76 mwifiex_cancel_pending_ioctl(adapter);
77 dev_dbg(adapter->dev, "cmd cancel\n");
80 status = adapter->cmd_wait_q.status;
81 adapter->cmd_wait_q.status = 0;
87 * This function prepares the correct firmware command and
88 * issues it to set the multicast list.
90 * This function can be used to enable promiscuous mode, or enable all
91 * multicast packets, or to enable selective multicast.
93 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
94 struct mwifiex_multicast_list *mcast_list)
99 old_pkt_filter = priv->curr_pkt_filter;
101 if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
102 dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n");
103 priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
104 priv->curr_pkt_filter &=
105 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
108 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
109 if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) {
110 dev_dbg(priv->adapter->dev,
111 "info: Enabling All Multicast!\n");
112 priv->curr_pkt_filter |=
113 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
115 priv->curr_pkt_filter &=
116 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
117 if (mcast_list->num_multicast_addr) {
118 dev_dbg(priv->adapter->dev,
119 "info: Set multicast list=%d\n",
120 mcast_list->num_multicast_addr);
121 /* Set multicast addresses to firmware */
122 if (old_pkt_filter == priv->curr_pkt_filter) {
123 /* Send request to firmware */
124 ret = mwifiex_send_cmd_async(priv,
125 HostCmd_CMD_MAC_MULTICAST_ADR,
126 HostCmd_ACT_GEN_SET, 0,
129 /* Send request to firmware */
130 ret = mwifiex_send_cmd_async(priv,
131 HostCmd_CMD_MAC_MULTICAST_ADR,
132 HostCmd_ACT_GEN_SET, 0,
138 dev_dbg(priv->adapter->dev,
139 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
140 old_pkt_filter, priv->curr_pkt_filter);
141 if (old_pkt_filter != priv->curr_pkt_filter) {
142 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
144 0, &priv->curr_pkt_filter);
151 * This function fills bss descriptor structure using provided
154 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
155 struct cfg80211_bss *bss,
156 struct mwifiex_bssdescriptor *bss_desc)
160 struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
162 beacon_ie = kmemdup(bss->information_elements, bss->len_beacon_ies,
165 dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
169 memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
170 bss_desc->rssi = bss->signal;
171 bss_desc->beacon_buf = beacon_ie;
172 bss_desc->beacon_buf_size = bss->len_beacon_ies;
173 bss_desc->beacon_period = bss->beacon_interval;
174 bss_desc->cap_info_bitmap = bss->capability;
175 bss_desc->bss_band = bss_priv->band;
176 bss_desc->fw_tsf = bss_priv->fw_tsf;
177 bss_desc->timestamp = bss->tsf;
178 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
179 dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n");
180 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
182 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
184 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
185 bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
187 bss_desc->bss_mode = NL80211_IFTYPE_STATION;
189 ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
196 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
197 * In both Ad-Hoc and infra mode, an deauthentication is performed
200 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
201 struct cfg80211_ssid *req_ssid)
204 struct mwifiex_adapter *adapter = priv->adapter;
205 struct mwifiex_bssdescriptor *bss_desc = NULL;
207 priv->scan_block = false;
210 /* Allocate and fill new bss descriptor */
211 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
214 dev_err(priv->adapter->dev, " failed to alloc bss_desc\n");
218 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
223 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
225 ret = mwifiex_deauthenticate(priv, NULL);
229 ret = mwifiex_check_network_compatibility(priv, bss_desc);
233 dev_dbg(adapter->dev, "info: SSID found in scan list ... "
236 if (!netif_queue_stopped(priv->netdev))
237 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
238 if (netif_carrier_ok(priv->netdev))
239 netif_carrier_off(priv->netdev);
241 /* Clear any past association response stored for
242 * application retrieval */
243 priv->assoc_rsp_size = 0;
244 ret = mwifiex_associate(priv, bss_desc);
246 /* If auth type is auto and association fails using open mode,
247 * try to connect using shared mode */
248 if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
249 priv->sec_info.is_authtype_auto &&
250 priv->sec_info.wep_enabled) {
251 priv->sec_info.authentication_mode =
252 NL80211_AUTHTYPE_SHARED_KEY;
253 ret = mwifiex_associate(priv, bss_desc);
257 cfg80211_put_bss(bss);
260 /* If the requested SSID matches current SSID, return */
261 if (bss_desc && bss_desc->ssid.ssid_len &&
262 (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
263 ssid, &bss_desc->ssid))) {
268 /* Exit Adhoc mode first */
269 dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n");
270 ret = mwifiex_deauthenticate(priv, NULL);
274 priv->adhoc_is_link_sensed = false;
276 ret = mwifiex_check_network_compatibility(priv, bss_desc);
278 if (!netif_queue_stopped(priv->netdev))
279 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
280 if (netif_carrier_ok(priv->netdev))
281 netif_carrier_off(priv->netdev);
284 dev_dbg(adapter->dev, "info: network found in scan"
285 " list. Joining...\n");
286 ret = mwifiex_adhoc_join(priv, bss_desc);
288 cfg80211_put_bss(bss);
290 dev_dbg(adapter->dev, "info: Network not found in "
291 "the list, creating adhoc with ssid = %s\n",
293 ret = mwifiex_adhoc_start(priv, req_ssid);
303 * IOCTL request handler to set host sleep configuration.
305 * This function prepares the correct firmware command and
308 static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
309 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
312 struct mwifiex_adapter *adapter = priv->adapter;
320 case HostCmd_ACT_GEN_SET:
321 if (adapter->pps_uapsd_mode) {
322 dev_dbg(adapter->dev, "info: Host Sleep IOCTL"
323 " is blocked in UAPSD/PPS mode\n");
327 if (hs_cfg->is_invoke_hostcmd) {
328 if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) {
329 if (!adapter->is_hs_configured)
330 /* Already cancelled */
332 /* Save previous condition */
333 prev_cond = le32_to_cpu(adapter->hs_cfg
335 adapter->hs_cfg.conditions =
336 cpu_to_le32(hs_cfg->conditions);
337 } else if (hs_cfg->conditions) {
338 adapter->hs_cfg.conditions =
339 cpu_to_le32(hs_cfg->conditions);
340 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
342 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
343 } else if (adapter->hs_cfg.conditions
344 == cpu_to_le32(HOST_SLEEP_CFG_CANCEL)) {
345 /* Return failure if no parameters for HS
350 if (cmd_type == MWIFIEX_SYNC_CMD)
351 status = mwifiex_send_cmd_sync(priv,
352 HostCmd_CMD_802_11_HS_CFG_ENH,
353 HostCmd_ACT_GEN_SET, 0,
356 status = mwifiex_send_cmd_async(priv,
357 HostCmd_CMD_802_11_HS_CFG_ENH,
358 HostCmd_ACT_GEN_SET, 0,
360 if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL)
361 /* Restore previous condition */
362 adapter->hs_cfg.conditions =
363 cpu_to_le32(prev_cond);
365 adapter->hs_cfg.conditions =
366 cpu_to_le32(hs_cfg->conditions);
367 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
368 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
371 case HostCmd_ACT_GEN_GET:
372 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
373 hs_cfg->gpio = adapter->hs_cfg.gpio;
374 hs_cfg->gap = adapter->hs_cfg.gap;
385 * Sends IOCTL request to cancel the existing Host Sleep configuration.
387 * This function allocates the IOCTL request buffer, fills it
388 * with requisite parameters and calls the IOCTL handler.
390 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
392 struct mwifiex_ds_hs_cfg hscfg;
394 hscfg.conditions = HOST_SLEEP_CFG_CANCEL;
395 hscfg.is_invoke_hostcmd = true;
397 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
400 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
403 * Sends IOCTL request to cancel the existing Host Sleep configuration.
405 * This function allocates the IOCTL request buffer, fills it
406 * with requisite parameters and calls the IOCTL handler.
408 int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
410 struct mwifiex_ds_hs_cfg hscfg;
412 if (adapter->hs_activated) {
413 dev_dbg(adapter->dev, "cmd: HS Already actived\n");
417 adapter->hs_activate_wait_q_woken = false;
419 memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
420 hscfg.is_invoke_hostcmd = true;
422 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
423 MWIFIEX_BSS_ROLE_STA),
424 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
426 dev_err(adapter->dev, "IOCTL request HS enable failed\n");
430 wait_event_interruptible(adapter->hs_activate_wait_q,
431 adapter->hs_activate_wait_q_woken);
435 EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
438 * IOCTL request handler to get BSS information.
440 * This function collates the information from different driver structures
441 * to send to the user.
443 int mwifiex_get_bss_info(struct mwifiex_private *priv,
444 struct mwifiex_bss_info *info)
446 struct mwifiex_adapter *adapter = priv->adapter;
447 struct mwifiex_bssdescriptor *bss_desc;
452 bss_desc = &priv->curr_bss_params.bss_descriptor;
454 info->bss_mode = priv->bss_mode;
456 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
458 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
460 info->bss_chan = bss_desc->channel;
462 memcpy(info->country_code, priv->country_code,
463 IEEE80211_COUNTRY_STRING_LEN);
465 info->media_connected = priv->media_connected;
467 info->max_power_level = priv->max_tx_power_level;
468 info->min_power_level = priv->min_tx_power_level;
470 info->adhoc_state = priv->adhoc_state;
472 info->bcn_nf_last = priv->bcn_nf_last;
474 if (priv->sec_info.wep_enabled)
475 info->wep_status = true;
477 info->wep_status = false;
479 info->is_hs_configured = adapter->is_hs_configured;
480 info->is_deep_sleep = adapter->is_deep_sleep;
486 * The function disables auto deep sleep mode.
488 int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
490 struct mwifiex_ds_auto_ds auto_ds;
492 auto_ds.auto_ds = DEEP_SLEEP_OFF;
494 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
495 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds);
497 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
500 * IOCTL request handler to set/get active channel.
502 * This function performs validity checking on channel/frequency
503 * compatibility and returns failure if not valid.
505 int mwifiex_bss_set_channel(struct mwifiex_private *priv,
506 struct mwifiex_chan_freq_power *chan)
508 struct mwifiex_adapter *adapter = priv->adapter;
509 struct mwifiex_chan_freq_power *cfp = NULL;
514 if (!chan->channel && !chan->freq)
516 if (adapter->adhoc_start_band & BAND_AN)
517 adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN;
518 else if (adapter->adhoc_start_band & BAND_A)
519 adapter->adhoc_start_band = BAND_G | BAND_B;
521 if (chan->channel <= MAX_CHANNEL_BAND_BG)
522 cfp = mwifiex_get_cfp(priv, 0, (u16) chan->channel, 0);
524 cfp = mwifiex_get_cfp(priv, BAND_A,
525 (u16) chan->channel, 0);
527 if (adapter->adhoc_11n_enabled)
528 adapter->adhoc_start_band = BAND_A
531 adapter->adhoc_start_band = BAND_A;
535 if (chan->freq <= MAX_FREQUENCY_BAND_BG)
536 cfp = mwifiex_get_cfp(priv, 0, 0, chan->freq);
538 cfp = mwifiex_get_cfp(priv, BAND_A, 0, chan->freq);
540 if (adapter->adhoc_11n_enabled)
541 adapter->adhoc_start_band = BAND_A
544 adapter->adhoc_start_band = BAND_A;
548 if (!cfp || !cfp->channel) {
549 dev_err(adapter->dev, "invalid channel/freq\n");
552 priv->adhoc_channel = (u8) cfp->channel;
553 chan->channel = cfp->channel;
554 chan->freq = cfp->freq;
560 * IOCTL request handler to set/get Ad-Hoc channel.
562 * This function prepares the correct firmware command and
563 * issues it to set or get the ad-hoc channel.
565 static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private *priv,
566 u16 action, u16 *channel)
568 if (action == HostCmd_ACT_GEN_GET) {
569 if (!priv->media_connected) {
570 *channel = priv->adhoc_channel;
574 priv->adhoc_channel = (u8) *channel;
577 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_RF_CHANNEL,
582 * IOCTL request handler to change Ad-Hoc channel.
584 * This function allocates the IOCTL request buffer, fills it
585 * with requisite parameters and calls the IOCTL handler.
587 * The function follows the following steps to perform the change -
588 * - Get current IBSS information
589 * - Get current channel
590 * - If no change is required, return
591 * - If not connected, change channel and return
595 * - Perform specific SSID scan with same SSID
596 * - Start/Join the IBSS
599 mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, u16 channel)
602 struct mwifiex_bss_info bss_info;
603 struct mwifiex_ssid_bssid ssid_bssid;
605 struct cfg80211_bss *bss = NULL;
606 struct ieee80211_channel *chan;
607 enum ieee80211_band band;
609 memset(&bss_info, 0, sizeof(bss_info));
611 /* Get BSS information */
612 if (mwifiex_get_bss_info(priv, &bss_info))
615 /* Get current channel */
616 ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET,
619 if (curr_chan == channel) {
623 dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n",
626 if (!bss_info.media_connected) {
632 memset(&ssid_bssid, 0, ETH_ALEN);
633 ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid);
635 ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET,
638 /* Do specific SSID scanning */
639 if (mwifiex_request_scan(priv, &bss_info.ssid)) {
644 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
645 chan = __ieee80211_get_channel(priv->wdev->wiphy,
646 ieee80211_channel_to_frequency(channel,
649 /* Find the BSS we want using available scan results */
650 bss = cfg80211_get_bss(priv->wdev->wiphy, chan, bss_info.bssid,
651 bss_info.ssid.ssid, bss_info.ssid.ssid_len,
652 WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
654 wiphy_warn(priv->wdev->wiphy, "assoc: bss %pM not in scan results\n",
657 ret = mwifiex_bss_start(priv, bss, &bss_info.ssid);
663 * IOCTL request handler to get rate.
665 * This function prepares the correct firmware command and
666 * issues it to get the current rate if it is connected,
667 * otherwise, the function returns the lowest supported rate
670 static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private *priv,
671 struct mwifiex_rate_cfg *rate_cfg)
673 rate_cfg->is_rate_auto = priv->is_data_rate_auto;
674 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
675 HostCmd_ACT_GEN_GET, 0, NULL);
679 * IOCTL request handler to set rate.
681 * This function prepares the correct firmware command and
682 * issues it to set the current rate.
684 * The function also performs validation checking on the supplied value.
686 static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private *priv,
687 struct mwifiex_rate_cfg *rate_cfg)
689 u8 rates[MWIFIEX_SUPPORTED_RATES];
692 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
694 struct mwifiex_adapter *adapter = priv->adapter;
696 if (rate_cfg->is_rate_auto) {
697 memset(bitmap_rates, 0, sizeof(bitmap_rates));
698 /* Support all HR/DSSS rates */
699 bitmap_rates[0] = 0x000F;
700 /* Support all OFDM rates */
701 bitmap_rates[1] = 0x00FF;
702 /* Support all HT-MCSs rate */
703 for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates) - 3; i++)
704 bitmap_rates[i + 2] = 0xFFFF;
705 bitmap_rates[9] = 0x3FFF;
707 memset(rates, 0, sizeof(rates));
708 mwifiex_get_active_data_rates(priv, rates);
710 for (i = 0; (rate[i] && i < MWIFIEX_SUPPORTED_RATES); i++) {
711 dev_dbg(adapter->dev, "info: rate=%#x wanted=%#x\n",
712 rate[i], rate_cfg->rate);
713 if ((rate[i] & 0x7f) == (rate_cfg->rate & 0x7f))
716 if ((i == MWIFIEX_SUPPORTED_RATES) || !rate[i]) {
717 dev_err(adapter->dev, "fixed data rate %#x is out "
718 "of range\n", rate_cfg->rate);
721 memset(bitmap_rates, 0, sizeof(bitmap_rates));
723 rate_index = mwifiex_data_rate_to_index(rate_cfg->rate);
725 /* Only allow b/g rates to be set */
726 if (rate_index >= MWIFIEX_RATE_INDEX_HRDSSS0 &&
727 rate_index <= MWIFIEX_RATE_INDEX_HRDSSS3) {
728 bitmap_rates[0] = 1 << rate_index;
730 rate_index -= 1; /* There is a 0x00 in the table */
731 if (rate_index >= MWIFIEX_RATE_INDEX_OFDM0 &&
732 rate_index <= MWIFIEX_RATE_INDEX_OFDM7)
733 bitmap_rates[1] = 1 << (rate_index -
734 MWIFIEX_RATE_INDEX_OFDM0);
738 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
739 HostCmd_ACT_GEN_SET, 0, bitmap_rates);
745 * IOCTL request handler to set/get rate.
747 * This function can be used to set/get either the rate value or the
750 static int mwifiex_rate_ioctl_cfg(struct mwifiex_private *priv,
751 struct mwifiex_rate_cfg *rate_cfg)
758 if (rate_cfg->action == HostCmd_ACT_GEN_GET)
759 status = mwifiex_rate_ioctl_get_rate_value(priv, rate_cfg);
761 status = mwifiex_rate_ioctl_set_rate_value(priv, rate_cfg);
767 * Sends IOCTL request to get the data rate.
769 * This function allocates the IOCTL request buffer, fills it
770 * with requisite parameters and calls the IOCTL handler.
772 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
773 struct mwifiex_rate_cfg *rate)
777 memset(rate, 0, sizeof(struct mwifiex_rate_cfg));
778 rate->action = HostCmd_ACT_GEN_GET;
779 ret = mwifiex_rate_ioctl_cfg(priv, rate);
782 if (rate->is_rate_auto)
783 rate->rate = mwifiex_index_to_data_rate(priv,
788 rate->rate = priv->data_rate;
797 * IOCTL request handler to set tx power configuration.
799 * This function prepares the correct firmware command and
802 * For non-auto power mode, all the following power groups are set -
803 * - Modulation class HR/DSSS
804 * - Modulation class OFDM
805 * - Modulation class HTBW20
806 * - Modulation class HTBW40
808 int mwifiex_set_tx_power(struct mwifiex_private *priv,
809 struct mwifiex_power_cfg *power_cfg)
812 struct host_cmd_ds_txpwr_cfg *txp_cfg;
813 struct mwifiex_types_power_group *pg_tlv;
814 struct mwifiex_power_group *pg;
818 if (!power_cfg->is_power_auto) {
819 dbm = (u16) power_cfg->power_level;
820 if ((dbm < priv->min_tx_power_level) ||
821 (dbm > priv->max_tx_power_level)) {
822 dev_err(priv->adapter->dev, "txpower value %d dBm"
823 " is out of range (%d dBm-%d dBm)\n",
824 dbm, priv->min_tx_power_level,
825 priv->max_tx_power_level);
829 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
831 dev_err(priv->adapter->dev, "%s: failed to alloc cmd buffer\n",
836 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
837 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
838 if (!power_cfg->is_power_auto) {
839 txp_cfg->mode = cpu_to_le32(1);
840 pg_tlv = (struct mwifiex_types_power_group *)
841 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
842 pg_tlv->type = TLV_TYPE_POWER_GROUP;
843 pg_tlv->length = 4 * sizeof(struct mwifiex_power_group);
844 pg = (struct mwifiex_power_group *)
845 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
846 + sizeof(struct mwifiex_types_power_group));
847 /* Power group for modulation class HR/DSSS */
848 pg->first_rate_code = 0x00;
849 pg->last_rate_code = 0x03;
850 pg->modulation_class = MOD_CLASS_HR_DSSS;
852 pg->power_min = (s8) dbm;
853 pg->power_max = (s8) dbm;
855 /* Power group for modulation class OFDM */
856 pg->first_rate_code = 0x00;
857 pg->last_rate_code = 0x07;
858 pg->modulation_class = MOD_CLASS_OFDM;
860 pg->power_min = (s8) dbm;
861 pg->power_max = (s8) dbm;
863 /* Power group for modulation class HTBW20 */
864 pg->first_rate_code = 0x00;
865 pg->last_rate_code = 0x20;
866 pg->modulation_class = MOD_CLASS_HT;
868 pg->power_min = (s8) dbm;
869 pg->power_max = (s8) dbm;
870 pg->ht_bandwidth = HT_BW_20;
872 /* Power group for modulation class HTBW40 */
873 pg->first_rate_code = 0x00;
874 pg->last_rate_code = 0x20;
875 pg->modulation_class = MOD_CLASS_HT;
877 pg->power_min = (s8) dbm;
878 pg->power_max = (s8) dbm;
879 pg->ht_bandwidth = HT_BW_40;
881 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG,
882 HostCmd_ACT_GEN_SET, 0, buf);
889 * IOCTL request handler to get power save mode.
891 * This function prepares the correct firmware command and
894 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
897 struct mwifiex_adapter *adapter = priv->adapter;
901 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
903 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
904 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
905 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
906 sub_cmd, BITMAP_STA_PS, NULL);
907 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
908 ret = mwifiex_send_cmd_async(priv,
909 HostCmd_CMD_802_11_PS_MODE_ENH,
916 * IOCTL request handler to set/reset WPA IE.
918 * The supplied WPA IE is treated as a opaque buffer. Only the first field
919 * is checked to determine WPA version. If buffer length is zero, the existing
922 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
923 u8 *ie_data_ptr, u16 ie_len)
926 if (ie_len > sizeof(priv->wpa_ie)) {
927 dev_err(priv->adapter->dev,
928 "failed to copy WPA IE, too big\n");
931 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
932 priv->wpa_ie_len = (u8) ie_len;
933 dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
934 priv->wpa_ie_len, priv->wpa_ie[0]);
936 if (priv->wpa_ie[0] == WLAN_EID_WPA) {
937 priv->sec_info.wpa_enabled = true;
938 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
939 priv->sec_info.wpa2_enabled = true;
941 priv->sec_info.wpa_enabled = false;
942 priv->sec_info.wpa2_enabled = false;
945 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
946 priv->wpa_ie_len = 0;
947 dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n",
948 priv->wpa_ie_len, priv->wpa_ie[0]);
949 priv->sec_info.wpa_enabled = false;
950 priv->sec_info.wpa2_enabled = false;
957 * IOCTL request handler to set/reset WAPI IE.
959 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
960 * is checked to internally enable WAPI. If buffer length is zero, the existing
963 static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
964 u8 *ie_data_ptr, u16 ie_len)
967 if (ie_len > sizeof(priv->wapi_ie)) {
968 dev_dbg(priv->adapter->dev,
969 "info: failed to copy WAPI IE, too big\n");
972 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
973 priv->wapi_ie_len = ie_len;
974 dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n",
975 priv->wapi_ie_len, priv->wapi_ie[0]);
977 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
978 priv->sec_info.wapi_enabled = true;
980 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
981 priv->wapi_ie_len = ie_len;
982 dev_dbg(priv->adapter->dev,
983 "info: Reset wapi_ie_len=%d IE=%#x\n",
984 priv->wapi_ie_len, priv->wapi_ie[0]);
985 priv->sec_info.wapi_enabled = false;
991 * IOCTL request handler to set/reset WPS IE.
993 * The supplied WPS IE is treated as a opaque buffer. Only the first field
994 * is checked to internally enable WPS. If buffer length is zero, the existing
997 static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
998 u8 *ie_data_ptr, u16 ie_len)
1001 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
1004 if (ie_len > sizeof(priv->wps_ie)) {
1005 dev_dbg(priv->adapter->dev,
1006 "info: failed to copy WPS IE, too big\n");
1007 kfree(priv->wps_ie);
1010 memcpy(priv->wps_ie, ie_data_ptr, ie_len);
1011 priv->wps_ie_len = ie_len;
1012 dev_dbg(priv->adapter->dev, "cmd: Set wps_ie_len=%d IE=%#x\n",
1013 priv->wps_ie_len, priv->wps_ie[0]);
1015 kfree(priv->wps_ie);
1016 priv->wps_ie_len = ie_len;
1017 dev_dbg(priv->adapter->dev,
1018 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
1024 * IOCTL request handler to set WAPI key.
1026 * This function prepares the correct firmware command and
1029 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
1030 struct mwifiex_ds_encrypt_key *encrypt_key)
1033 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1034 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
1039 * IOCTL request handler to set WEP network key.
1041 * This function prepares the correct firmware command and
1042 * issues it, after validation checks.
1044 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
1045 struct mwifiex_ds_encrypt_key *encrypt_key)
1048 struct mwifiex_wep_key *wep_key;
1051 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
1052 priv->wep_key_curr_index = 0;
1053 wep_key = &priv->wep_key[priv->wep_key_curr_index];
1054 index = encrypt_key->key_index;
1055 if (encrypt_key->key_disable) {
1056 priv->sec_info.wep_enabled = 0;
1057 } else if (!encrypt_key->key_len) {
1058 /* Copy the required key as the current key */
1059 wep_key = &priv->wep_key[index];
1060 if (!wep_key->key_length) {
1061 dev_err(priv->adapter->dev,
1062 "key not set, so cannot enable it\n");
1065 priv->wep_key_curr_index = (u16) index;
1066 priv->sec_info.wep_enabled = 1;
1068 wep_key = &priv->wep_key[index];
1069 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
1070 /* Copy the key in the driver */
1071 memcpy(wep_key->key_material,
1072 encrypt_key->key_material,
1073 encrypt_key->key_len);
1074 wep_key->key_index = index;
1075 wep_key->key_length = encrypt_key->key_len;
1076 priv->sec_info.wep_enabled = 1;
1078 if (wep_key->key_length) {
1079 /* Send request to firmware */
1080 ret = mwifiex_send_cmd_async(priv,
1081 HostCmd_CMD_802_11_KEY_MATERIAL,
1082 HostCmd_ACT_GEN_SET, 0, NULL);
1086 if (priv->sec_info.wep_enabled)
1087 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1089 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1091 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1092 HostCmd_ACT_GEN_SET, 0,
1093 &priv->curr_pkt_filter);
1099 * IOCTL request handler to set WPA key.
1101 * This function prepares the correct firmware command and
1102 * issues it, after validation checks.
1104 * Current driver only supports key length of up to 32 bytes.
1106 * This function can also be used to disable a currently set key.
1108 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
1109 struct mwifiex_ds_encrypt_key *encrypt_key)
1112 u8 remove_key = false;
1113 struct host_cmd_ds_802_11_key_material *ibss_key;
1115 /* Current driver only supports key length of up to 32 bytes */
1116 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
1117 dev_err(priv->adapter->dev, "key length too long\n");
1121 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1123 * IBSS/WPA-None uses only one key (Group) for both receiving
1124 * and sending unicast and multicast packets.
1126 /* Send the key as PTK to firmware */
1127 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1128 ret = mwifiex_send_cmd_async(priv,
1129 HostCmd_CMD_802_11_KEY_MATERIAL,
1130 HostCmd_ACT_GEN_SET,
1131 KEY_INFO_ENABLED, encrypt_key);
1135 ibss_key = &priv->aes_key;
1137 sizeof(struct host_cmd_ds_802_11_key_material));
1138 /* Copy the key in the driver */
1139 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
1140 encrypt_key->key_len);
1141 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
1142 sizeof(ibss_key->key_param_set.key_len));
1143 ibss_key->key_param_set.key_type_id
1144 = cpu_to_le16(KEY_TYPE_ID_TKIP);
1145 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
1147 /* Send the key as GTK to firmware */
1148 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
1151 if (!encrypt_key->key_index)
1152 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1155 ret = mwifiex_send_cmd_sync(priv,
1156 HostCmd_CMD_802_11_KEY_MATERIAL,
1157 HostCmd_ACT_GEN_SET,
1158 !KEY_INFO_ENABLED, encrypt_key);
1160 ret = mwifiex_send_cmd_sync(priv,
1161 HostCmd_CMD_802_11_KEY_MATERIAL,
1162 HostCmd_ACT_GEN_SET,
1163 KEY_INFO_ENABLED, encrypt_key);
1169 * IOCTL request handler to set/get network keys.
1171 * This is a generic key handling function which supports WEP, WPA
1175 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
1176 struct mwifiex_ds_encrypt_key *encrypt_key)
1180 if (encrypt_key->is_wapi_key)
1181 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
1182 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
1183 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
1185 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
1190 * This function returns the driver version.
1193 mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
1202 ver.l = adapter->fw_release_number;
1203 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
1205 snprintf(version, max_len, driver_version, fw_ver);
1207 dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version);
1213 * Sends IOCTL request to set encoding parameters.
1215 * This function allocates the IOCTL request buffer, fills it
1216 * with requisite parameters and calls the IOCTL handler.
1218 int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
1219 int key_len, u8 key_index, int disable)
1221 struct mwifiex_ds_encrypt_key encrypt_key;
1223 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1224 encrypt_key.key_len = key_len;
1226 encrypt_key.key_index = key_index;
1228 memcpy(encrypt_key.key_material, key, key_len);
1230 encrypt_key.key_disable = true;
1233 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1237 * Sends IOCTL request to get extended version.
1239 * This function allocates the IOCTL request buffer, fills it
1240 * with requisite parameters and calls the IOCTL handler.
1243 mwifiex_get_ver_ext(struct mwifiex_private *priv)
1245 struct mwifiex_ver_ext ver_ext;
1247 memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1248 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT,
1249 HostCmd_ACT_GEN_GET, 0, &ver_ext))
1256 * Sends IOCTL request to get statistics information.
1258 * This function allocates the IOCTL request buffer, fills it
1259 * with requisite parameters and calls the IOCTL handler.
1262 mwifiex_get_stats_info(struct mwifiex_private *priv,
1263 struct mwifiex_ds_get_stats *log)
1265 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
1266 HostCmd_ACT_GEN_GET, 0, log);
1270 * IOCTL request handler to read/write register.
1272 * This function prepares the correct firmware command and
1275 * Access to the following registers are supported -
1282 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1283 struct mwifiex_ds_reg_rw *reg_rw,
1288 switch (le32_to_cpu(reg_rw->type)) {
1289 case MWIFIEX_REG_MAC:
1290 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1292 case MWIFIEX_REG_BBP:
1293 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1295 case MWIFIEX_REG_RF:
1296 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1298 case MWIFIEX_REG_PMIC:
1299 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1301 case MWIFIEX_REG_CAU:
1302 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1308 return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw);
1313 * Sends IOCTL request to write to a register.
1315 * This function allocates the IOCTL request buffer, fills it
1316 * with requisite parameters and calls the IOCTL handler.
1319 mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1320 u32 reg_offset, u32 reg_value)
1322 struct mwifiex_ds_reg_rw reg_rw;
1324 reg_rw.type = cpu_to_le32(reg_type);
1325 reg_rw.offset = cpu_to_le32(reg_offset);
1326 reg_rw.value = cpu_to_le32(reg_value);
1328 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1332 * Sends IOCTL request to read from a register.
1334 * This function allocates the IOCTL request buffer, fills it
1335 * with requisite parameters and calls the IOCTL handler.
1338 mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1339 u32 reg_offset, u32 *value)
1342 struct mwifiex_ds_reg_rw reg_rw;
1344 reg_rw.type = cpu_to_le32(reg_type);
1345 reg_rw.offset = cpu_to_le32(reg_offset);
1346 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1351 *value = le32_to_cpu(reg_rw.value);
1358 * Sends IOCTL request to read from EEPROM.
1360 * This function allocates the IOCTL request buffer, fills it
1361 * with requisite parameters and calls the IOCTL handler.
1364 mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1368 struct mwifiex_ds_read_eeprom rd_eeprom;
1370 rd_eeprom.offset = cpu_to_le16((u16) offset);
1371 rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1373 /* Send request to firmware */
1374 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1375 HostCmd_ACT_GEN_GET, 0, &rd_eeprom);
1378 memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1383 * This function sets a generic IE. In addition to generic IE, it can
1384 * also handle WPA, WPA2 and WAPI IEs.
1387 mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1391 struct ieee_types_vendor_header *pvendor_ie;
1392 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1393 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1395 /* If the passed length is zero, reset the buffer */
1397 priv->gen_ie_buf_len = 0;
1398 priv->wps.session_enable = false;
1401 } else if (!ie_data_ptr) {
1404 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1405 /* Test to see if it is a WPA IE, if not, then it is a gen IE */
1406 if (((pvendor_ie->element_id == WLAN_EID_WPA) &&
1407 (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) ||
1408 (pvendor_ie->element_id == WLAN_EID_RSN)) {
1410 /* IE is a WPA/WPA2 IE so call set_wpa function */
1411 ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
1412 priv->wps.session_enable = false;
1415 } else 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, ie_data_ptr, ie_len);
1422 * Verify that the passed length is not larger than the
1423 * available space remaining in the buffer
1425 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1427 /* Test to see if it is a WPS IE, if so, enable
1430 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1431 if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1432 (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) {
1433 priv->wps.session_enable = true;
1434 dev_dbg(priv->adapter->dev,
1435 "info: WPS Session Enabled.\n");
1436 ret = mwifiex_set_wps_ie(priv, ie_data_ptr, ie_len);
1439 /* Append the passed data to the end of the
1441 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1443 /* Increment the stored buffer length by the
1445 priv->gen_ie_buf_len += ie_len;
1447 /* Passed data does not fit in the remaining
1452 /* Return 0, or -1 for error case */
1457 * IOCTL request handler to set/get generic IE.
1459 * In addition to various generic IEs, this function can also be
1460 * used to set the ARP filter.
1462 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1463 struct mwifiex_ds_misc_gen_ie *gen_ie,
1466 struct mwifiex_adapter *adapter = priv->adapter;
1468 switch (gen_ie->type) {
1469 case MWIFIEX_IE_TYPE_GEN_IE:
1470 if (action == HostCmd_ACT_GEN_GET) {
1471 gen_ie->len = priv->wpa_ie_len;
1472 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1474 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1478 case MWIFIEX_IE_TYPE_ARP_FILTER:
1479 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1480 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1481 adapter->arp_filter_size = 0;
1482 dev_err(adapter->dev, "invalid ARP filter size\n");
1485 memcpy(adapter->arp_filter, gen_ie->ie_data,
1487 adapter->arp_filter_size = gen_ie->len;
1491 dev_err(adapter->dev, "invalid IE type\n");
1498 * Sends IOCTL request to set a generic IE.
1500 * This function allocates the IOCTL request buffer, fills it
1501 * with requisite parameters and calls the IOCTL handler.
1504 mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len)
1506 struct mwifiex_ds_misc_gen_ie gen_ie;
1508 if (ie_len > IEEE_MAX_IE_SIZE)
1511 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1512 gen_ie.len = ie_len;
1513 memcpy(gen_ie.ie_data, ie, ie_len);
1514 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))