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;
57 int status = adapter->cmd_wait_q.status;
59 dev_dbg(adapter->dev, "cmd pending\n");
60 atomic_inc(&adapter->cmd_pending);
62 /* Status pending, wake up main process */
63 queue_work(adapter->workqueue, &adapter->main_work);
65 /* Wait for completion */
66 wait_event_interruptible(adapter->cmd_wait_q.wait,
67 adapter->cmd_wait_q.condition);
68 if (!adapter->cmd_wait_q.condition)
72 mwifiex_cancel_pending_ioctl(adapter);
73 dev_dbg(adapter->dev, "cmd cancel\n");
75 adapter->cmd_wait_q.status = 0;
81 * This function prepares the correct firmware command and
82 * issues it to set the multicast list.
84 * This function can be used to enable promiscuous mode, or enable all
85 * multicast packets, or to enable selective multicast.
87 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
88 struct mwifiex_multicast_list *mcast_list)
93 old_pkt_filter = priv->curr_pkt_filter;
95 if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
96 dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n");
97 priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
98 priv->curr_pkt_filter &=
99 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
102 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
103 if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) {
104 dev_dbg(priv->adapter->dev,
105 "info: Enabling All Multicast!\n");
106 priv->curr_pkt_filter |=
107 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
109 priv->curr_pkt_filter &=
110 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
111 if (mcast_list->num_multicast_addr) {
112 dev_dbg(priv->adapter->dev,
113 "info: Set multicast list=%d\n",
114 mcast_list->num_multicast_addr);
115 /* Set multicast addresses to firmware */
116 if (old_pkt_filter == priv->curr_pkt_filter) {
117 /* Send request to firmware */
118 ret = mwifiex_send_cmd_async(priv,
119 HostCmd_CMD_MAC_MULTICAST_ADR,
120 HostCmd_ACT_GEN_SET, 0,
123 /* Send request to firmware */
124 ret = mwifiex_send_cmd_async(priv,
125 HostCmd_CMD_MAC_MULTICAST_ADR,
126 HostCmd_ACT_GEN_SET, 0,
132 dev_dbg(priv->adapter->dev,
133 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
134 old_pkt_filter, priv->curr_pkt_filter);
135 if (old_pkt_filter != priv->curr_pkt_filter) {
136 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
138 0, &priv->curr_pkt_filter);
145 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
146 * In both Ad-Hoc and infra mode, an deauthentication is performed
149 int mwifiex_bss_start(struct mwifiex_private *priv,
150 struct mwifiex_ssid_bssid *ssid_bssid)
153 struct mwifiex_adapter *adapter = priv->adapter;
156 priv->scan_block = false;
160 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
162 ret = mwifiex_deauthenticate(priv, NULL);
166 /* Search for the requested SSID in the scan table */
167 if (ssid_bssid->ssid.ssid_len)
168 i = mwifiex_find_ssid_in_list(priv, &ssid_bssid->ssid,
169 NULL, NL80211_IFTYPE_STATION);
171 i = mwifiex_find_bssid_in_list(priv,
172 (u8 *) &ssid_bssid->bssid,
173 NL80211_IFTYPE_STATION);
177 dev_dbg(adapter->dev,
178 "info: SSID found in scan list ... associating...\n");
180 /* Clear any past association response stored for
181 * application retrieval */
182 priv->assoc_rsp_size = 0;
183 ret = mwifiex_associate(priv, &adapter->scan_table[i]);
188 /* If the requested SSID matches current SSID, return */
189 if (ssid_bssid->ssid.ssid_len &&
191 (&priv->curr_bss_params.bss_descriptor.ssid,
195 /* Exit Adhoc mode first */
196 dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n");
197 ret = mwifiex_deauthenticate(priv, NULL);
201 priv->adhoc_is_link_sensed = false;
203 /* Search for the requested network in the scan table */
204 if (ssid_bssid->ssid.ssid_len)
205 i = mwifiex_find_ssid_in_list(priv,
206 &ssid_bssid->ssid, NULL,
207 NL80211_IFTYPE_ADHOC);
209 i = mwifiex_find_bssid_in_list(priv,
210 (u8 *)&ssid_bssid->bssid,
211 NL80211_IFTYPE_ADHOC);
214 dev_dbg(adapter->dev, "info: network found in scan"
215 " list. Joining...\n");
216 ret = mwifiex_adhoc_join(priv, &adapter->scan_table[i]);
220 dev_dbg(adapter->dev, "info: Network not found in "
221 "the list, creating adhoc with ssid = %s\n",
222 ssid_bssid->ssid.ssid);
223 ret = mwifiex_adhoc_start(priv, &ssid_bssid->ssid);
233 * IOCTL request handler to set host sleep configuration.
235 * This function prepares the correct firmware command and
238 int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
239 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
242 struct mwifiex_adapter *adapter = priv->adapter;
250 case HostCmd_ACT_GEN_SET:
251 if (adapter->pps_uapsd_mode) {
252 dev_dbg(adapter->dev, "info: Host Sleep IOCTL"
253 " is blocked in UAPSD/PPS mode\n");
257 if (hs_cfg->is_invoke_hostcmd) {
258 if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) {
259 if (!adapter->is_hs_configured)
260 /* Already cancelled */
262 /* Save previous condition */
263 prev_cond = le32_to_cpu(adapter->hs_cfg
265 adapter->hs_cfg.conditions =
266 cpu_to_le32(hs_cfg->conditions);
267 } else if (hs_cfg->conditions) {
268 adapter->hs_cfg.conditions =
269 cpu_to_le32(hs_cfg->conditions);
270 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
272 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
273 } else if (adapter->hs_cfg.conditions ==
275 HOST_SLEEP_CFG_CANCEL)) {
276 /* Return failure if no parameters for HS
281 if (cmd_type == MWIFIEX_SYNC_CMD)
282 status = mwifiex_send_cmd_sync(priv,
283 HostCmd_CMD_802_11_HS_CFG_ENH,
284 HostCmd_ACT_GEN_SET, 0,
287 status = mwifiex_send_cmd_async(priv,
288 HostCmd_CMD_802_11_HS_CFG_ENH,
289 HostCmd_ACT_GEN_SET, 0,
291 if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL)
292 /* Restore previous condition */
293 adapter->hs_cfg.conditions =
294 cpu_to_le32(prev_cond);
296 adapter->hs_cfg.conditions =
297 cpu_to_le32(hs_cfg->conditions);
298 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
299 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
302 case HostCmd_ACT_GEN_GET:
303 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
304 hs_cfg->gpio = adapter->hs_cfg.gpio;
305 hs_cfg->gap = adapter->hs_cfg.gap;
316 * Sends IOCTL request to cancel the existing Host Sleep configuration.
318 * This function allocates the IOCTL request buffer, fills it
319 * with requisite parameters and calls the IOCTL handler.
321 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
323 struct mwifiex_ds_hs_cfg hscfg;
325 hscfg.conditions = HOST_SLEEP_CFG_CANCEL;
326 hscfg.is_invoke_hostcmd = true;
328 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
331 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
334 * Sends IOCTL request to cancel the existing Host Sleep configuration.
336 * This function allocates the IOCTL request buffer, fills it
337 * with requisite parameters and calls the IOCTL handler.
339 int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
341 struct mwifiex_ds_hs_cfg hscfg;
343 if (adapter->hs_activated) {
344 dev_dbg(adapter->dev, "cmd: HS Already actived\n");
348 adapter->hs_activate_wait_q_woken = false;
350 memset(&hscfg, 0, sizeof(struct mwifiex_hs_config_param));
351 hscfg.is_invoke_hostcmd = true;
353 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
354 MWIFIEX_BSS_ROLE_STA),
355 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
357 dev_err(adapter->dev, "IOCTL request HS enable failed\n");
361 wait_event_interruptible(adapter->hs_activate_wait_q,
362 adapter->hs_activate_wait_q_woken);
366 EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
369 * IOCTL request handler to get BSS information.
371 * This function collates the information from different driver structures
372 * to send to the user.
374 int mwifiex_get_bss_info(struct mwifiex_private *priv,
375 struct mwifiex_bss_info *info)
377 struct mwifiex_adapter *adapter = priv->adapter;
378 struct mwifiex_bssdescriptor *bss_desc;
384 bss_desc = &priv->curr_bss_params.bss_descriptor;
386 info->bss_mode = priv->bss_mode;
388 memcpy(&info->ssid, &bss_desc->ssid,
389 sizeof(struct mwifiex_802_11_ssid));
391 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
393 info->bss_chan = bss_desc->channel;
395 info->region_code = adapter->region_code;
397 /* Scan table index if connected */
398 info->scan_table_idx = 0;
399 if (priv->media_connected) {
401 mwifiex_find_ssid_in_list(priv, &bss_desc->ssid,
402 bss_desc->mac_address,
405 info->scan_table_idx = tbl_idx;
408 info->media_connected = priv->media_connected;
410 info->max_power_level = priv->max_tx_power_level;
411 info->min_power_level = priv->min_tx_power_level;
413 info->adhoc_state = priv->adhoc_state;
415 info->bcn_nf_last = priv->bcn_nf_last;
417 if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_ENABLED)
418 info->wep_status = true;
420 info->wep_status = false;
422 info->is_hs_configured = adapter->is_hs_configured;
423 info->is_deep_sleep = adapter->is_deep_sleep;
429 * The function sets band configurations.
431 * it performs extra checks to make sure the Ad-Hoc
432 * band and channel are compatible. Otherwise it returns an error.
435 int mwifiex_set_radio_band_cfg(struct mwifiex_private *priv,
436 struct mwifiex_ds_band_cfg *radio_cfg)
438 struct mwifiex_adapter *adapter = priv->adapter;
441 u32 adhoc_channel = 0;
443 infra_band = (u8) radio_cfg->config_bands;
444 adhoc_band = (u8) radio_cfg->adhoc_start_band;
445 adhoc_channel = radio_cfg->adhoc_channel;
448 if ((infra_band | adapter->fw_bands) & ~adapter->fw_bands)
451 adapter->config_bands = infra_band;
453 /* SET Ad-hoc Band */
454 if ((adhoc_band | adapter->fw_bands) & ~adapter->fw_bands)
458 adapter->adhoc_start_band = adhoc_band;
459 adapter->chan_offset = (u8) radio_cfg->sec_chan_offset;
461 * If no adhoc_channel is supplied verify if the existing adhoc
462 * channel compiles with new adhoc_band
464 if (!adhoc_channel) {
465 if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211
466 (priv, adapter->adhoc_start_band,
467 priv->adhoc_channel)) {
468 /* Pass back the default channel */
469 radio_cfg->adhoc_channel = DEFAULT_AD_HOC_CHANNEL;
470 if ((adapter->adhoc_start_band & BAND_A)
471 || (adapter->adhoc_start_band & BAND_AN))
472 radio_cfg->adhoc_channel =
473 DEFAULT_AD_HOC_CHANNEL_A;
475 } else { /* Retrurn error if adhoc_band and
476 adhoc_channel combination is invalid */
477 if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211
478 (priv, adapter->adhoc_start_band, (u16) adhoc_channel))
480 priv->adhoc_channel = (u8) adhoc_channel;
482 if ((adhoc_band & BAND_GN) || (adhoc_band & BAND_AN))
483 adapter->adhoc_11n_enabled = true;
485 adapter->adhoc_11n_enabled = false;
491 * IOCTL request handler to set/get active channel.
493 * This function performs validity checking on channel/frequency
494 * compatibility and returns failure if not valid.
496 int mwifiex_bss_set_channel(struct mwifiex_private *priv,
497 struct mwifiex_chan_freq_power *chan)
499 struct mwifiex_adapter *adapter = priv->adapter;
500 struct mwifiex_chan_freq_power *cfp = NULL;
505 if (!chan->channel && !chan->freq)
507 if (adapter->adhoc_start_band & BAND_AN)
508 adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN;
509 else if (adapter->adhoc_start_band & BAND_A)
510 adapter->adhoc_start_band = BAND_G | BAND_B;
512 if (chan->channel <= MAX_CHANNEL_BAND_BG)
513 cfp = mwifiex_get_cfp_by_band_and_channel_from_cfg80211
514 (priv, 0, (u16) chan->channel);
516 cfp = mwifiex_get_cfp_by_band_and_channel_from_cfg80211
517 (priv, BAND_A, (u16) chan->channel);
519 if (adapter->adhoc_11n_enabled)
520 adapter->adhoc_start_band = BAND_A
523 adapter->adhoc_start_band = BAND_A;
527 if (chan->freq <= MAX_FREQUENCY_BAND_BG)
528 cfp = mwifiex_get_cfp_by_band_and_freq_from_cfg80211(
529 priv, 0, chan->freq);
531 cfp = mwifiex_get_cfp_by_band_and_freq_from_cfg80211
532 (priv, BAND_A, chan->freq);
534 if (adapter->adhoc_11n_enabled)
535 adapter->adhoc_start_band = BAND_A
538 adapter->adhoc_start_band = BAND_A;
542 if (!cfp || !cfp->channel) {
543 dev_err(adapter->dev, "invalid channel/freq\n");
546 priv->adhoc_channel = (u8) cfp->channel;
547 chan->channel = cfp->channel;
548 chan->freq = cfp->freq;
554 * IOCTL request handler to set/get Ad-Hoc channel.
556 * This function prepares the correct firmware command and
557 * issues it to set or get the ad-hoc channel.
559 static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private *priv,
560 u16 action, u16 *channel)
562 if (action == HostCmd_ACT_GEN_GET) {
563 if (!priv->media_connected) {
564 *channel = priv->adhoc_channel;
568 priv->adhoc_channel = (u8) *channel;
571 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_RF_CHANNEL,
576 * IOCTL request handler to find a particular BSS.
578 * The BSS can be searched with either a BSSID or a SSID. If none of
579 * these are provided, just the best BSS (best RSSI) is returned.
581 int mwifiex_bss_ioctl_find_bss(struct mwifiex_private *priv,
582 struct mwifiex_ssid_bssid *ssid_bssid)
584 struct mwifiex_adapter *adapter = priv->adapter;
585 struct mwifiex_bssdescriptor *bss_desc;
586 u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
590 if (memcmp(ssid_bssid->bssid, zero_mac, sizeof(zero_mac))) {
591 i = mwifiex_find_bssid_in_list(priv,
592 (u8 *) ssid_bssid->bssid,
595 memcpy(mac, ssid_bssid->bssid, sizeof(mac));
596 dev_err(adapter->dev, "cannot find bssid %pM\n", mac);
599 bss_desc = &adapter->scan_table[i];
600 memcpy(&ssid_bssid->ssid, &bss_desc->ssid,
601 sizeof(struct mwifiex_802_11_ssid));
602 } else if (ssid_bssid->ssid.ssid_len) {
603 i = mwifiex_find_ssid_in_list(priv, &ssid_bssid->ssid, NULL,
606 dev_err(adapter->dev, "cannot find ssid %s\n",
607 ssid_bssid->ssid.ssid);
610 bss_desc = &adapter->scan_table[i];
611 memcpy(ssid_bssid->bssid, bss_desc->mac_address, ETH_ALEN);
613 return mwifiex_find_best_network(priv, ssid_bssid);
620 * IOCTL request handler to change Ad-Hoc channel.
622 * This function allocates the IOCTL request buffer, fills it
623 * with requisite parameters and calls the IOCTL handler.
625 * The function follows the following steps to perform the change -
626 * - Get current IBSS information
627 * - Get current channel
628 * - If no change is required, return
629 * - If not connected, change channel and return
633 * - Perform specific SSID scan with same SSID
634 * - Start/Join the IBSS
637 mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, int channel)
640 struct mwifiex_bss_info bss_info;
641 struct mwifiex_ssid_bssid ssid_bssid;
644 memset(&bss_info, 0, sizeof(bss_info));
646 /* Get BSS information */
647 if (mwifiex_get_bss_info(priv, &bss_info))
650 /* Get current channel */
651 ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET,
654 if (curr_chan == channel) {
658 dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n",
661 if (!bss_info.media_connected) {
667 memset(&ssid_bssid, 0, ETH_ALEN);
668 ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid);
670 ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET,
673 /* Do specific SSID scanning */
674 if (mwifiex_request_scan(priv, &bss_info.ssid)) {
678 /* Start/Join Adhoc network */
679 memset(&ssid_bssid, 0, sizeof(struct mwifiex_ssid_bssid));
680 memcpy(&ssid_bssid.ssid, &bss_info.ssid,
681 sizeof(struct mwifiex_802_11_ssid));
683 ret = mwifiex_bss_start(priv, &ssid_bssid);
689 * IOCTL request handler to get rate.
691 * This function prepares the correct firmware command and
692 * issues it to get the current rate if it is connected,
693 * otherwise, the function returns the lowest supported rate
696 static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private *priv,
697 struct mwifiex_rate_cfg *rate_cfg)
699 struct mwifiex_adapter *adapter = priv->adapter;
701 rate_cfg->is_rate_auto = priv->is_data_rate_auto;
702 if (!priv->media_connected) {
703 switch (adapter->config_bands) {
705 /* Return the lowest supported rate for B band */
706 rate_cfg->rate = supported_rates_b[0] & 0x7f;
709 case BAND_G | BAND_GN:
710 /* Return the lowest supported rate for G band */
711 rate_cfg->rate = supported_rates_g[0] & 0x7f;
713 case BAND_B | BAND_G:
714 case BAND_A | BAND_B | BAND_G:
715 case BAND_A | BAND_B:
716 case BAND_A | BAND_B | BAND_G | BAND_AN | BAND_GN:
717 case BAND_B | BAND_G | BAND_GN:
718 /* Return the lowest supported rate for BG band */
719 rate_cfg->rate = supported_rates_bg[0] & 0x7f;
722 case BAND_A | BAND_G:
723 case BAND_A | BAND_G | BAND_AN | BAND_GN:
724 case BAND_A | BAND_AN:
725 /* Return the lowest supported rate for A band */
726 rate_cfg->rate = supported_rates_a[0] & 0x7f;
729 /* Return the lowest supported rate for N band */
730 rate_cfg->rate = supported_rates_n[0] & 0x7f;
733 dev_warn(adapter->dev, "invalid band %#x\n",
734 adapter->config_bands);
738 return mwifiex_send_cmd_sync(priv,
739 HostCmd_CMD_802_11_TX_RATE_QUERY,
740 HostCmd_ACT_GEN_GET, 0, NULL);
747 * IOCTL request handler to set rate.
749 * This function prepares the correct firmware command and
750 * issues it to set the current rate.
752 * The function also performs validation checking on the supplied value.
754 static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private *priv,
755 struct mwifiex_rate_cfg *rate_cfg)
757 u8 rates[MWIFIEX_SUPPORTED_RATES];
760 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
763 struct mwifiex_adapter *adapter = priv->adapter;
765 if (rate_cfg->is_rate_auto) {
766 memset(bitmap_rates, 0, sizeof(bitmap_rates));
767 /* Support all HR/DSSS rates */
768 bitmap_rates[0] = 0x000F;
769 /* Support all OFDM rates */
770 bitmap_rates[1] = 0x00FF;
771 /* Support all HT-MCSs rate */
772 for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates) - 3; i++)
773 bitmap_rates[i + 2] = 0xFFFF;
774 bitmap_rates[9] = 0x3FFF;
776 memset(rates, 0, sizeof(rates));
777 mwifiex_get_active_data_rates(priv, rates);
779 for (i = 0; (rate[i] && i < MWIFIEX_SUPPORTED_RATES); i++) {
780 dev_dbg(adapter->dev, "info: rate=%#x wanted=%#x\n",
781 rate[i], rate_cfg->rate);
782 if ((rate[i] & 0x7f) == (rate_cfg->rate & 0x7f))
785 if (!rate[i] || (i == MWIFIEX_SUPPORTED_RATES)) {
786 dev_err(adapter->dev, "fixed data rate %#x is out "
787 "of range\n", rate_cfg->rate);
790 memset(bitmap_rates, 0, sizeof(bitmap_rates));
792 rate_index = mwifiex_data_rate_to_index(rate_cfg->rate);
794 /* Only allow b/g rates to be set */
795 if (rate_index >= MWIFIEX_RATE_INDEX_HRDSSS0 &&
796 rate_index <= MWIFIEX_RATE_INDEX_HRDSSS3) {
797 bitmap_rates[0] = 1 << rate_index;
799 rate_index -= 1; /* There is a 0x00 in the table */
800 if (rate_index >= MWIFIEX_RATE_INDEX_OFDM0 &&
801 rate_index <= MWIFIEX_RATE_INDEX_OFDM7)
802 bitmap_rates[1] = 1 << (rate_index -
803 MWIFIEX_RATE_INDEX_OFDM0);
807 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
808 HostCmd_ACT_GEN_SET, 0, bitmap_rates);
814 * IOCTL request handler to set/get rate.
816 * This function can be used to set/get either the rate value or the
819 static int mwifiex_rate_ioctl_cfg(struct mwifiex_private *priv,
820 struct mwifiex_rate_cfg *rate_cfg)
827 if (rate_cfg->action == HostCmd_ACT_GEN_GET)
828 status = mwifiex_rate_ioctl_get_rate_value(priv, rate_cfg);
830 status = mwifiex_rate_ioctl_set_rate_value(priv, rate_cfg);
836 * Sends IOCTL request to get the data rate.
838 * This function allocates the IOCTL request buffer, fills it
839 * with requisite parameters and calls the IOCTL handler.
841 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
842 struct mwifiex_rate_cfg *rate)
846 memset(rate, 0, sizeof(struct mwifiex_rate_cfg));
847 rate->action = HostCmd_ACT_GEN_GET;
848 ret = mwifiex_rate_ioctl_cfg(priv, rate);
851 if (rate && rate->is_rate_auto)
852 rate->rate = mwifiex_index_to_data_rate(priv->tx_rate,
855 rate->rate = priv->data_rate;
864 * IOCTL request handler to set tx power configuration.
866 * This function prepares the correct firmware command and
869 * For non-auto power mode, all the following power groups are set -
870 * - Modulation class HR/DSSS
871 * - Modulation class OFDM
872 * - Modulation class HTBW20
873 * - Modulation class HTBW40
875 int mwifiex_set_tx_power(struct mwifiex_private *priv,
876 struct mwifiex_power_cfg *power_cfg)
879 struct host_cmd_ds_txpwr_cfg *txp_cfg = NULL;
880 struct mwifiex_types_power_group *pg_tlv = NULL;
881 struct mwifiex_power_group *pg = NULL;
885 if (!power_cfg->is_power_auto) {
886 dbm = (u16) power_cfg->power_level;
887 if ((dbm < priv->min_tx_power_level) ||
888 (dbm > priv->max_tx_power_level)) {
889 dev_err(priv->adapter->dev, "txpower value %d dBm"
890 " is out of range (%d dBm-%d dBm)\n",
891 dbm, priv->min_tx_power_level,
892 priv->max_tx_power_level);
896 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
898 dev_err(priv->adapter->dev, "%s: failed to alloc cmd buffer\n",
903 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
904 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
905 if (!power_cfg->is_power_auto) {
906 txp_cfg->mode = cpu_to_le32(1);
907 pg_tlv = (struct mwifiex_types_power_group *) (buf +
908 sizeof(struct host_cmd_ds_txpwr_cfg));
909 pg_tlv->type = TLV_TYPE_POWER_GROUP;
910 pg_tlv->length = 4 * sizeof(struct mwifiex_power_group);
911 pg = (struct mwifiex_power_group *) (buf +
912 sizeof(struct host_cmd_ds_txpwr_cfg) +
913 sizeof(struct mwifiex_types_power_group));
914 /* Power group for modulation class HR/DSSS */
915 pg->first_rate_code = 0x00;
916 pg->last_rate_code = 0x03;
917 pg->modulation_class = MOD_CLASS_HR_DSSS;
919 pg->power_min = (s8) dbm;
920 pg->power_max = (s8) dbm;
922 /* Power group for modulation class OFDM */
923 pg->first_rate_code = 0x00;
924 pg->last_rate_code = 0x07;
925 pg->modulation_class = MOD_CLASS_OFDM;
927 pg->power_min = (s8) dbm;
928 pg->power_max = (s8) dbm;
930 /* Power group for modulation class HTBW20 */
931 pg->first_rate_code = 0x00;
932 pg->last_rate_code = 0x20;
933 pg->modulation_class = MOD_CLASS_HT;
935 pg->power_min = (s8) dbm;
936 pg->power_max = (s8) dbm;
937 pg->ht_bandwidth = HT_BW_20;
939 /* Power group for modulation class HTBW40 */
940 pg->first_rate_code = 0x00;
941 pg->last_rate_code = 0x20;
942 pg->modulation_class = MOD_CLASS_HT;
944 pg->power_min = (s8) dbm;
945 pg->power_max = (s8) dbm;
946 pg->ht_bandwidth = HT_BW_40;
948 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG,
949 HostCmd_ACT_GEN_SET, 0, buf);
956 * IOCTL request handler to get power save mode.
958 * This function prepares the correct firmware command and
961 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
964 struct mwifiex_adapter *adapter = priv->adapter;
968 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
970 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
971 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
972 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
973 sub_cmd, BITMAP_STA_PS, NULL);
974 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
975 ret = mwifiex_send_cmd_async(priv,
976 HostCmd_CMD_802_11_PS_MODE_ENH, GET_PS,
983 * IOCTL request handler to set/reset WPA IE.
985 * The supplied WPA IE is treated as a opaque buffer. Only the first field
986 * is checked to determine WPA version. If buffer length is zero, the existing
989 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
990 u8 *ie_data_ptr, u16 ie_len)
993 if (ie_len > sizeof(priv->wpa_ie)) {
994 dev_err(priv->adapter->dev,
995 "failed to copy WPA IE, too big\n");
998 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
999 priv->wpa_ie_len = (u8) ie_len;
1000 dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
1001 priv->wpa_ie_len, priv->wpa_ie[0]);
1003 if (priv->wpa_ie[0] == WLAN_EID_WPA) {
1004 priv->sec_info.wpa_enabled = true;
1005 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
1006 priv->sec_info.wpa2_enabled = true;
1008 priv->sec_info.wpa_enabled = false;
1009 priv->sec_info.wpa2_enabled = false;
1012 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
1013 priv->wpa_ie_len = 0;
1014 dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n",
1015 priv->wpa_ie_len, priv->wpa_ie[0]);
1016 priv->sec_info.wpa_enabled = false;
1017 priv->sec_info.wpa2_enabled = false;
1024 * IOCTL request handler to set/reset WAPI IE.
1026 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
1027 * is checked to internally enable WAPI. If buffer length is zero, the existing
1030 static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
1031 u8 *ie_data_ptr, u16 ie_len)
1034 if (ie_len > sizeof(priv->wapi_ie)) {
1035 dev_dbg(priv->adapter->dev,
1036 "info: failed to copy WAPI IE, too big\n");
1039 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
1040 priv->wapi_ie_len = ie_len;
1041 dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n",
1042 priv->wapi_ie_len, priv->wapi_ie[0]);
1044 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
1045 priv->sec_info.wapi_enabled = true;
1047 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
1048 priv->wapi_ie_len = ie_len;
1049 dev_dbg(priv->adapter->dev,
1050 "info: Reset wapi_ie_len=%d IE=%#x\n",
1051 priv->wapi_ie_len, priv->wapi_ie[0]);
1052 priv->sec_info.wapi_enabled = false;
1058 * IOCTL request handler to set WAPI key.
1060 * This function prepares the correct firmware command and
1063 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
1064 struct mwifiex_ds_encrypt_key *encrypt_key)
1067 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1068 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
1073 * IOCTL request handler to set WEP network key.
1075 * This function prepares the correct firmware command and
1076 * issues it, after validation checks.
1078 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
1079 struct mwifiex_ds_encrypt_key *encrypt_key)
1082 struct mwifiex_wep_key *wep_key = NULL;
1085 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
1086 priv->wep_key_curr_index = 0;
1087 wep_key = &priv->wep_key[priv->wep_key_curr_index];
1088 index = encrypt_key->key_index;
1089 if (encrypt_key->key_disable) {
1090 priv->sec_info.wep_status = MWIFIEX_802_11_WEP_DISABLED;
1091 } else if (!encrypt_key->key_len) {
1092 /* Copy the required key as the current key */
1093 wep_key = &priv->wep_key[index];
1094 if (!wep_key->key_length) {
1095 dev_err(priv->adapter->dev,
1096 "key not set, so cannot enable it\n");
1099 priv->wep_key_curr_index = (u16) index;
1100 priv->sec_info.wep_status = MWIFIEX_802_11_WEP_ENABLED;
1102 wep_key = &priv->wep_key[index];
1103 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
1104 /* Copy the key in the driver */
1105 memcpy(wep_key->key_material,
1106 encrypt_key->key_material,
1107 encrypt_key->key_len);
1108 wep_key->key_index = index;
1109 wep_key->key_length = encrypt_key->key_len;
1110 priv->sec_info.wep_status = MWIFIEX_802_11_WEP_ENABLED;
1112 if (wep_key->key_length) {
1113 /* Send request to firmware */
1114 ret = mwifiex_send_cmd_async(priv,
1115 HostCmd_CMD_802_11_KEY_MATERIAL,
1116 HostCmd_ACT_GEN_SET, 0, NULL);
1120 if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_ENABLED)
1121 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1123 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1125 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1126 HostCmd_ACT_GEN_SET, 0,
1127 &priv->curr_pkt_filter);
1133 * IOCTL request handler to set WPA key.
1135 * This function prepares the correct firmware command and
1136 * issues it, after validation checks.
1138 * Current driver only supports key length of up to 32 bytes.
1140 * This function can also be used to disable a currently set key.
1142 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
1143 struct mwifiex_ds_encrypt_key *encrypt_key)
1146 u8 remove_key = false;
1147 struct host_cmd_ds_802_11_key_material *ibss_key;
1149 /* Current driver only supports key length of up to 32 bytes */
1150 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
1151 dev_err(priv->adapter->dev, "key length too long\n");
1155 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1157 * IBSS/WPA-None uses only one key (Group) for both receiving
1158 * and sending unicast and multicast packets.
1160 /* Send the key as PTK to firmware */
1161 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1162 ret = mwifiex_send_cmd_async(priv,
1163 HostCmd_CMD_802_11_KEY_MATERIAL,
1164 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
1169 ibss_key = &priv->aes_key;
1171 sizeof(struct host_cmd_ds_802_11_key_material));
1172 /* Copy the key in the driver */
1173 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
1174 encrypt_key->key_len);
1175 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
1176 sizeof(ibss_key->key_param_set.key_len));
1177 ibss_key->key_param_set.key_type_id
1178 = cpu_to_le16(KEY_TYPE_ID_TKIP);
1179 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
1181 /* Send the key as GTK to firmware */
1182 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
1185 if (!encrypt_key->key_index)
1186 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1189 ret = mwifiex_send_cmd_sync(priv,
1190 HostCmd_CMD_802_11_KEY_MATERIAL,
1191 HostCmd_ACT_GEN_SET, !(KEY_INFO_ENABLED),
1194 ret = mwifiex_send_cmd_sync(priv,
1195 HostCmd_CMD_802_11_KEY_MATERIAL,
1196 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
1203 * IOCTL request handler to set/get network keys.
1205 * This is a generic key handling function which supports WEP, WPA
1209 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
1210 struct mwifiex_ds_encrypt_key *encrypt_key)
1214 if (encrypt_key->is_wapi_key)
1215 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
1216 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
1217 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
1219 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
1224 * This function returns the driver version.
1227 mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
1236 ver.l = adapter->fw_release_number;
1237 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
1239 snprintf(version, max_len, driver_version, fw_ver);
1241 dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version);
1247 * Sends IOCTL request to get signal information.
1249 * This function allocates the IOCTL request buffer, fills it
1250 * with requisite parameters and calls the IOCTL handler.
1252 int mwifiex_get_signal_info(struct mwifiex_private *priv,
1253 struct mwifiex_ds_get_signal *signal)
1255 struct mwifiex_ds_get_signal info;
1258 memset(&info, 0, sizeof(struct mwifiex_ds_get_signal));
1259 info.selector = ALL_RSSI_INFO_MASK;
1261 /* Signal info can be obtained only if connected */
1262 if (!priv->media_connected) {
1263 dev_dbg(priv->adapter->dev,
1264 "info: Can not get signal in disconnected state\n");
1268 status = mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
1269 HostCmd_ACT_GEN_GET, 0, signal);
1273 memcpy(signal, &info,
1274 sizeof(struct mwifiex_ds_get_signal));
1275 if (info.selector & BCN_RSSI_AVG_MASK)
1276 priv->w_stats.qual.level = info.bcn_rssi_avg;
1277 if (info.selector & BCN_NF_AVG_MASK)
1278 priv->w_stats.qual.noise = info.bcn_nf_avg;
1285 * Sends IOCTL request to set encoding parameters.
1287 * This function allocates the IOCTL request buffer, fills it
1288 * with requisite parameters and calls the IOCTL handler.
1290 int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
1291 int key_len, u8 key_index, int disable)
1293 struct mwifiex_ds_encrypt_key encrypt_key;
1295 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1296 encrypt_key.key_len = key_len;
1298 encrypt_key.key_index = key_index;
1300 memcpy(encrypt_key.key_material, key, key_len);
1302 encrypt_key.key_disable = true;
1305 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1309 * Sends IOCTL request to get extended version.
1311 * This function allocates the IOCTL request buffer, fills it
1312 * with requisite parameters and calls the IOCTL handler.
1315 mwifiex_get_ver_ext(struct mwifiex_private *priv)
1317 struct mwifiex_ver_ext ver_ext;
1319 memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1320 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT,
1321 HostCmd_ACT_GEN_GET, 0, &ver_ext))
1328 * Sends IOCTL request to get statistics information.
1330 * This function allocates the IOCTL request buffer, fills it
1331 * with requisite parameters and calls the IOCTL handler.
1334 mwifiex_get_stats_info(struct mwifiex_private *priv,
1335 struct mwifiex_ds_get_stats *log)
1338 struct mwifiex_ds_get_stats get_log;
1340 memset(&get_log, 0, sizeof(struct mwifiex_ds_get_stats));
1341 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
1342 HostCmd_ACT_GEN_GET, 0, &get_log);
1346 memcpy(log, &get_log, sizeof(struct
1347 mwifiex_ds_get_stats));
1348 priv->w_stats.discard.fragment = get_log.fcs_error;
1349 priv->w_stats.discard.retries = get_log.retry;
1350 priv->w_stats.discard.misc = get_log.ack_failure;
1357 * IOCTL request handler to read/write register.
1359 * This function prepares the correct firmware command and
1362 * Access to the following registers are supported -
1369 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1370 struct mwifiex_ds_reg_rw *reg_rw,
1375 switch (le32_to_cpu(reg_rw->type)) {
1376 case MWIFIEX_REG_MAC:
1377 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1379 case MWIFIEX_REG_BBP:
1380 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1382 case MWIFIEX_REG_RF:
1383 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1385 case MWIFIEX_REG_PMIC:
1386 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1388 case MWIFIEX_REG_CAU:
1389 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1395 return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw);
1400 * Sends IOCTL request to write to a register.
1402 * This function allocates the IOCTL request buffer, fills it
1403 * with requisite parameters and calls the IOCTL handler.
1406 mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1407 u32 reg_offset, u32 reg_value)
1409 struct mwifiex_ds_reg_rw reg_rw;
1411 reg_rw.type = cpu_to_le32(reg_type);
1412 reg_rw.offset = cpu_to_le32(reg_offset);
1413 reg_rw.value = cpu_to_le32(reg_value);
1415 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1419 * Sends IOCTL request to read from a register.
1421 * This function allocates the IOCTL request buffer, fills it
1422 * with requisite parameters and calls the IOCTL handler.
1425 mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1426 u32 reg_offset, u32 *value)
1429 struct mwifiex_ds_reg_rw reg_rw;
1431 reg_rw.type = cpu_to_le32(reg_type);
1432 reg_rw.offset = cpu_to_le32(reg_offset);
1433 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1438 *value = le32_to_cpu(reg_rw.value);
1445 * Sends IOCTL request to read from EEPROM.
1447 * This function allocates the IOCTL request buffer, fills it
1448 * with requisite parameters and calls the IOCTL handler.
1451 mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1455 struct mwifiex_ds_read_eeprom rd_eeprom;
1457 rd_eeprom.offset = cpu_to_le16((u16) offset);
1458 rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1460 /* Send request to firmware */
1461 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1462 HostCmd_ACT_GEN_GET, 0, &rd_eeprom);
1465 memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1470 * This function sets a generic IE. In addition to generic IE, it can
1471 * also handle WPA, WPA2 and WAPI IEs.
1474 mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1478 struct ieee_types_vendor_header *pvendor_ie;
1479 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1480 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1482 /* If the passed length is zero, reset the buffer */
1484 priv->gen_ie_buf_len = 0;
1485 priv->wps.session_enable = false;
1488 } else if (!ie_data_ptr) {
1491 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1492 /* Test to see if it is a WPA IE, if not, then it is a gen IE */
1493 if (((pvendor_ie->element_id == WLAN_EID_WPA)
1494 && (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui))))
1495 || (pvendor_ie->element_id == WLAN_EID_RSN)) {
1497 /* IE is a WPA/WPA2 IE so call set_wpa function */
1498 ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
1499 priv->wps.session_enable = false;
1502 } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1503 /* IE is a WAPI IE so call set_wapi function */
1504 ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len);
1509 * Verify that the passed length is not larger than the
1510 * available space remaining in the buffer
1512 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1514 /* Test to see if it is a WPS IE, if so, enable
1517 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1518 if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC)
1519 && (!memcmp(pvendor_ie->oui, wps_oui,
1520 sizeof(wps_oui)))) {
1521 priv->wps.session_enable = true;
1522 dev_dbg(priv->adapter->dev,
1523 "info: WPS Session Enabled.\n");
1526 /* Append the passed data to the end of the
1528 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1530 /* Increment the stored buffer length by the
1532 priv->gen_ie_buf_len += ie_len;
1534 /* Passed data does not fit in the remaining
1539 /* Return 0, or -1 for error case */
1544 * IOCTL request handler to set/get generic IE.
1546 * In addition to various generic IEs, this function can also be
1547 * used to set the ARP filter.
1549 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1550 struct mwifiex_ds_misc_gen_ie *gen_ie,
1553 struct mwifiex_adapter *adapter = priv->adapter;
1555 switch (gen_ie->type) {
1556 case MWIFIEX_IE_TYPE_GEN_IE:
1557 if (action == HostCmd_ACT_GEN_GET) {
1558 gen_ie->len = priv->wpa_ie_len;
1559 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1561 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1565 case MWIFIEX_IE_TYPE_ARP_FILTER:
1566 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1567 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1568 adapter->arp_filter_size = 0;
1569 dev_err(adapter->dev, "invalid ARP filter size\n");
1572 memcpy(adapter->arp_filter, gen_ie->ie_data,
1574 adapter->arp_filter_size = gen_ie->len;
1578 dev_err(adapter->dev, "invalid IE type\n");
1585 * Sends IOCTL request to set a generic IE.
1587 * This function allocates the IOCTL request buffer, fills it
1588 * with requisite parameters and calls the IOCTL handler.
1591 mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len)
1593 struct mwifiex_ds_misc_gen_ie gen_ie;
1595 if (ie_len > IW_CUSTOM_MAX)
1598 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1599 gen_ie.len = ie_len;
1600 memcpy(gen_ie.ie_data, ie, ie_len);
1601 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))