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 * This function fills bss descriptor structure using provided
148 int mwifiex_fill_new_bss_desc(struct mwifiex_private
*priv
,
149 u8
*bssid
, s32 rssi
, u8
*ie_buf
,
150 size_t ie_len
, u16 beacon_period
,
152 struct mwifiex_bssdescriptor
*bss_desc
)
156 memcpy(bss_desc
->mac_address
, bssid
, ETH_ALEN
);
157 bss_desc
->rssi
= rssi
;
158 bss_desc
->beacon_buf
= ie_buf
;
159 bss_desc
->beacon_buf_size
= ie_len
;
160 bss_desc
->beacon_period
= beacon_period
;
161 bss_desc
->cap_info_bitmap
= cap_info_bitmap
;
162 if (bss_desc
->cap_info_bitmap
& WLAN_CAPABILITY_PRIVACY
) {
163 dev_dbg(priv
->adapter
->dev
, "info: InterpretIE: AP WEP enabled\n");
164 bss_desc
->privacy
= MWIFIEX_802_11_PRIV_FILTER_8021X_WEP
;
166 bss_desc
->privacy
= MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL
;
168 if (bss_desc
->cap_info_bitmap
& WLAN_CAPABILITY_IBSS
)
169 bss_desc
->bss_mode
= NL80211_IFTYPE_ADHOC
;
171 bss_desc
->bss_mode
= NL80211_IFTYPE_STATION
;
173 ret
= mwifiex_update_bss_desc_with_ie(priv
->adapter
, bss_desc
,
180 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
181 * In both Ad-Hoc and infra mode, an deauthentication is performed
184 int mwifiex_bss_start(struct mwifiex_private
*priv
, struct cfg80211_bss
*bss
,
185 struct mwifiex_802_11_ssid
*req_ssid
)
188 struct mwifiex_adapter
*adapter
= priv
->adapter
;
189 struct mwifiex_bssdescriptor
*bss_desc
= NULL
;
190 u8
*beacon_ie
= NULL
;
192 priv
->scan_block
= false;
195 /* Allocate and fill new bss descriptor */
196 bss_desc
= kzalloc(sizeof(struct mwifiex_bssdescriptor
),
199 dev_err(priv
->adapter
->dev
, " failed to alloc bss_desc\n");
203 beacon_ie
= kmemdup(bss
->information_elements
,
204 bss
->len_beacon_ies
, GFP_KERNEL
);
207 dev_err(priv
->adapter
->dev
, " failed to alloc beacon_ie\n");
211 ret
= mwifiex_fill_new_bss_desc(priv
, bss
->bssid
, bss
->signal
,
212 beacon_ie
, bss
->len_beacon_ies
,
213 bss
->beacon_interval
,
214 bss
->capability
, bss_desc
);
219 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
) {
221 ret
= mwifiex_deauthenticate(priv
, NULL
);
225 ret
= mwifiex_check_network_compatibility(priv
, bss_desc
);
229 dev_dbg(adapter
->dev
, "info: SSID found in scan list ... "
232 if (!netif_queue_stopped(priv
->netdev
))
233 netif_stop_queue(priv
->netdev
);
235 /* Clear any past association response stored for
236 * application retrieval */
237 priv
->assoc_rsp_size
= 0;
238 ret
= mwifiex_associate(priv
, bss_desc
);
240 cfg80211_put_bss(bss
);
243 /* If the requested SSID matches current SSID, return */
244 if (bss_desc
&& bss_desc
->ssid
.ssid_len
&&
246 (&priv
->curr_bss_params
.bss_descriptor
.ssid
,
253 /* Exit Adhoc mode first */
254 dev_dbg(adapter
->dev
, "info: Sending Adhoc Stop\n");
255 ret
= mwifiex_deauthenticate(priv
, NULL
);
259 priv
->adhoc_is_link_sensed
= false;
261 ret
= mwifiex_check_network_compatibility(priv
, bss_desc
);
263 if (!netif_queue_stopped(priv
->netdev
))
264 netif_stop_queue(priv
->netdev
);
267 dev_dbg(adapter
->dev
, "info: network found in scan"
268 " list. Joining...\n");
269 ret
= mwifiex_adhoc_join(priv
, bss_desc
);
271 cfg80211_put_bss(bss
);
273 dev_dbg(adapter
->dev
, "info: Network not found in "
274 "the list, creating adhoc with ssid = %s\n",
276 ret
= mwifiex_adhoc_start(priv
, req_ssid
);
287 * IOCTL request handler to set host sleep configuration.
289 * This function prepares the correct firmware command and
292 int mwifiex_set_hs_params(struct mwifiex_private
*priv
, u16 action
,
293 int cmd_type
, struct mwifiex_ds_hs_cfg
*hs_cfg
)
296 struct mwifiex_adapter
*adapter
= priv
->adapter
;
304 case HostCmd_ACT_GEN_SET
:
305 if (adapter
->pps_uapsd_mode
) {
306 dev_dbg(adapter
->dev
, "info: Host Sleep IOCTL"
307 " is blocked in UAPSD/PPS mode\n");
311 if (hs_cfg
->is_invoke_hostcmd
) {
312 if (hs_cfg
->conditions
== HOST_SLEEP_CFG_CANCEL
) {
313 if (!adapter
->is_hs_configured
)
314 /* Already cancelled */
316 /* Save previous condition */
317 prev_cond
= le32_to_cpu(adapter
->hs_cfg
319 adapter
->hs_cfg
.conditions
=
320 cpu_to_le32(hs_cfg
->conditions
);
321 } else if (hs_cfg
->conditions
) {
322 adapter
->hs_cfg
.conditions
=
323 cpu_to_le32(hs_cfg
->conditions
);
324 adapter
->hs_cfg
.gpio
= (u8
)hs_cfg
->gpio
;
326 adapter
->hs_cfg
.gap
= (u8
)hs_cfg
->gap
;
327 } else if (adapter
->hs_cfg
.conditions
==
329 HOST_SLEEP_CFG_CANCEL
)) {
330 /* Return failure if no parameters for HS
335 if (cmd_type
== MWIFIEX_SYNC_CMD
)
336 status
= mwifiex_send_cmd_sync(priv
,
337 HostCmd_CMD_802_11_HS_CFG_ENH
,
338 HostCmd_ACT_GEN_SET
, 0,
341 status
= mwifiex_send_cmd_async(priv
,
342 HostCmd_CMD_802_11_HS_CFG_ENH
,
343 HostCmd_ACT_GEN_SET
, 0,
345 if (hs_cfg
->conditions
== HOST_SLEEP_CFG_CANCEL
)
346 /* Restore previous condition */
347 adapter
->hs_cfg
.conditions
=
348 cpu_to_le32(prev_cond
);
350 adapter
->hs_cfg
.conditions
=
351 cpu_to_le32(hs_cfg
->conditions
);
352 adapter
->hs_cfg
.gpio
= (u8
)hs_cfg
->gpio
;
353 adapter
->hs_cfg
.gap
= (u8
)hs_cfg
->gap
;
356 case HostCmd_ACT_GEN_GET
:
357 hs_cfg
->conditions
= le32_to_cpu(adapter
->hs_cfg
.conditions
);
358 hs_cfg
->gpio
= adapter
->hs_cfg
.gpio
;
359 hs_cfg
->gap
= adapter
->hs_cfg
.gap
;
370 * Sends IOCTL request to cancel the existing Host Sleep configuration.
372 * This function allocates the IOCTL request buffer, fills it
373 * with requisite parameters and calls the IOCTL handler.
375 int mwifiex_cancel_hs(struct mwifiex_private
*priv
, int cmd_type
)
377 struct mwifiex_ds_hs_cfg hscfg
;
379 hscfg
.conditions
= HOST_SLEEP_CFG_CANCEL
;
380 hscfg
.is_invoke_hostcmd
= true;
382 return mwifiex_set_hs_params(priv
, HostCmd_ACT_GEN_SET
,
385 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs
);
388 * Sends IOCTL request to cancel the existing Host Sleep configuration.
390 * This function allocates the IOCTL request buffer, fills it
391 * with requisite parameters and calls the IOCTL handler.
393 int mwifiex_enable_hs(struct mwifiex_adapter
*adapter
)
395 struct mwifiex_ds_hs_cfg hscfg
;
397 if (adapter
->hs_activated
) {
398 dev_dbg(adapter
->dev
, "cmd: HS Already actived\n");
402 adapter
->hs_activate_wait_q_woken
= false;
404 memset(&hscfg
, 0, sizeof(struct mwifiex_hs_config_param
));
405 hscfg
.is_invoke_hostcmd
= true;
407 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter
,
408 MWIFIEX_BSS_ROLE_STA
),
409 HostCmd_ACT_GEN_SET
, MWIFIEX_SYNC_CMD
,
411 dev_err(adapter
->dev
, "IOCTL request HS enable failed\n");
415 wait_event_interruptible(adapter
->hs_activate_wait_q
,
416 adapter
->hs_activate_wait_q_woken
);
420 EXPORT_SYMBOL_GPL(mwifiex_enable_hs
);
423 * IOCTL request handler to get BSS information.
425 * This function collates the information from different driver structures
426 * to send to the user.
428 int mwifiex_get_bss_info(struct mwifiex_private
*priv
,
429 struct mwifiex_bss_info
*info
)
431 struct mwifiex_adapter
*adapter
= priv
->adapter
;
432 struct mwifiex_bssdescriptor
*bss_desc
;
437 bss_desc
= &priv
->curr_bss_params
.bss_descriptor
;
439 info
->bss_mode
= priv
->bss_mode
;
441 memcpy(&info
->ssid
, &bss_desc
->ssid
,
442 sizeof(struct mwifiex_802_11_ssid
));
444 memcpy(&info
->bssid
, &bss_desc
->mac_address
, ETH_ALEN
);
446 info
->bss_chan
= bss_desc
->channel
;
448 info
->region_code
= adapter
->region_code
;
450 info
->media_connected
= priv
->media_connected
;
452 info
->max_power_level
= priv
->max_tx_power_level
;
453 info
->min_power_level
= priv
->min_tx_power_level
;
455 info
->adhoc_state
= priv
->adhoc_state
;
457 info
->bcn_nf_last
= priv
->bcn_nf_last
;
459 if (priv
->sec_info
.wep_status
== MWIFIEX_802_11_WEP_ENABLED
)
460 info
->wep_status
= true;
462 info
->wep_status
= false;
464 info
->is_hs_configured
= adapter
->is_hs_configured
;
465 info
->is_deep_sleep
= adapter
->is_deep_sleep
;
471 * The function sets band configurations.
473 * it performs extra checks to make sure the Ad-Hoc
474 * band and channel are compatible. Otherwise it returns an error.
477 int mwifiex_set_radio_band_cfg(struct mwifiex_private
*priv
,
478 struct mwifiex_ds_band_cfg
*radio_cfg
)
480 struct mwifiex_adapter
*adapter
= priv
->adapter
;
481 u8 infra_band
, adhoc_band
;
484 infra_band
= (u8
) radio_cfg
->config_bands
;
485 adhoc_band
= (u8
) radio_cfg
->adhoc_start_band
;
486 adhoc_channel
= radio_cfg
->adhoc_channel
;
489 if ((infra_band
| adapter
->fw_bands
) & ~adapter
->fw_bands
)
492 adapter
->config_bands
= infra_band
;
494 /* SET Ad-hoc Band */
495 if ((adhoc_band
| adapter
->fw_bands
) & ~adapter
->fw_bands
)
499 adapter
->adhoc_start_band
= adhoc_band
;
500 adapter
->chan_offset
= (u8
) radio_cfg
->sec_chan_offset
;
502 * If no adhoc_channel is supplied verify if the existing adhoc
503 * channel compiles with new adhoc_band
505 if (!adhoc_channel
) {
506 if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211
507 (priv
, adapter
->adhoc_start_band
,
508 priv
->adhoc_channel
)) {
509 /* Pass back the default channel */
510 radio_cfg
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
511 if ((adapter
->adhoc_start_band
& BAND_A
)
512 || (adapter
->adhoc_start_band
& BAND_AN
))
513 radio_cfg
->adhoc_channel
=
514 DEFAULT_AD_HOC_CHANNEL_A
;
516 } else { /* Retrurn error if adhoc_band and
517 adhoc_channel combination is invalid */
518 if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211
519 (priv
, adapter
->adhoc_start_band
, (u16
) adhoc_channel
))
521 priv
->adhoc_channel
= (u8
) adhoc_channel
;
523 if ((adhoc_band
& BAND_GN
) || (adhoc_band
& BAND_AN
))
524 adapter
->adhoc_11n_enabled
= true;
526 adapter
->adhoc_11n_enabled
= false;
532 * The function disables auto deep sleep mode.
534 int mwifiex_disable_auto_ds(struct mwifiex_private
*priv
)
536 struct mwifiex_ds_auto_ds auto_ds
;
538 auto_ds
.auto_ds
= DEEP_SLEEP_OFF
;
540 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_PS_MODE_ENH
,
541 DIS_AUTO_PS
, BITMAP_AUTO_DS
, &auto_ds
);
543 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds
);
546 * IOCTL request handler to set/get active channel.
548 * This function performs validity checking on channel/frequency
549 * compatibility and returns failure if not valid.
551 int mwifiex_bss_set_channel(struct mwifiex_private
*priv
,
552 struct mwifiex_chan_freq_power
*chan
)
554 struct mwifiex_adapter
*adapter
= priv
->adapter
;
555 struct mwifiex_chan_freq_power
*cfp
= NULL
;
560 if (!chan
->channel
&& !chan
->freq
)
562 if (adapter
->adhoc_start_band
& BAND_AN
)
563 adapter
->adhoc_start_band
= BAND_G
| BAND_B
| BAND_GN
;
564 else if (adapter
->adhoc_start_band
& BAND_A
)
565 adapter
->adhoc_start_band
= BAND_G
| BAND_B
;
567 if (chan
->channel
<= MAX_CHANNEL_BAND_BG
)
568 cfp
= mwifiex_get_cfp_by_band_and_channel_from_cfg80211
569 (priv
, 0, (u16
) chan
->channel
);
571 cfp
= mwifiex_get_cfp_by_band_and_channel_from_cfg80211
572 (priv
, BAND_A
, (u16
) chan
->channel
);
574 if (adapter
->adhoc_11n_enabled
)
575 adapter
->adhoc_start_band
= BAND_A
578 adapter
->adhoc_start_band
= BAND_A
;
582 if (chan
->freq
<= MAX_FREQUENCY_BAND_BG
)
583 cfp
= mwifiex_get_cfp_by_band_and_freq_from_cfg80211(
584 priv
, 0, chan
->freq
);
586 cfp
= mwifiex_get_cfp_by_band_and_freq_from_cfg80211
587 (priv
, BAND_A
, chan
->freq
);
589 if (adapter
->adhoc_11n_enabled
)
590 adapter
->adhoc_start_band
= BAND_A
593 adapter
->adhoc_start_band
= BAND_A
;
597 if (!cfp
|| !cfp
->channel
) {
598 dev_err(adapter
->dev
, "invalid channel/freq\n");
601 priv
->adhoc_channel
= (u8
) cfp
->channel
;
602 chan
->channel
= cfp
->channel
;
603 chan
->freq
= cfp
->freq
;
609 * IOCTL request handler to set/get Ad-Hoc channel.
611 * This function prepares the correct firmware command and
612 * issues it to set or get the ad-hoc channel.
614 static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private
*priv
,
615 u16 action
, u16
*channel
)
617 if (action
== HostCmd_ACT_GEN_GET
) {
618 if (!priv
->media_connected
) {
619 *channel
= priv
->adhoc_channel
;
623 priv
->adhoc_channel
= (u8
) *channel
;
626 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_RF_CHANNEL
,
631 * IOCTL request handler to change Ad-Hoc channel.
633 * This function allocates the IOCTL request buffer, fills it
634 * with requisite parameters and calls the IOCTL handler.
636 * The function follows the following steps to perform the change -
637 * - Get current IBSS information
638 * - Get current channel
639 * - If no change is required, return
640 * - If not connected, change channel and return
644 * - Perform specific SSID scan with same SSID
645 * - Start/Join the IBSS
648 mwifiex_drv_change_adhoc_chan(struct mwifiex_private
*priv
, int channel
)
651 struct mwifiex_bss_info bss_info
;
652 struct mwifiex_ssid_bssid ssid_bssid
;
654 struct cfg80211_bss
*bss
= NULL
;
655 struct ieee80211_channel
*chan
;
657 memset(&bss_info
, 0, sizeof(bss_info
));
659 /* Get BSS information */
660 if (mwifiex_get_bss_info(priv
, &bss_info
))
663 /* Get current channel */
664 ret
= mwifiex_bss_ioctl_ibss_channel(priv
, HostCmd_ACT_GEN_GET
,
667 if (curr_chan
== channel
) {
671 dev_dbg(priv
->adapter
->dev
, "cmd: updating channel from %d to %d\n",
674 if (!bss_info
.media_connected
) {
680 memset(&ssid_bssid
, 0, ETH_ALEN
);
681 ret
= mwifiex_deauthenticate(priv
, ssid_bssid
.bssid
);
683 ret
= mwifiex_bss_ioctl_ibss_channel(priv
, HostCmd_ACT_GEN_SET
,
686 /* Do specific SSID scanning */
687 if (mwifiex_request_scan(priv
, &bss_info
.ssid
)) {
692 chan
= __ieee80211_get_channel(priv
->wdev
->wiphy
,
693 ieee80211_channel_to_frequency(channel
,
694 priv
->curr_bss_params
.band
));
696 /* Find the BSS we want using available scan results */
697 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, chan
, bss_info
.bssid
,
698 bss_info
.ssid
.ssid
, bss_info
.ssid
.ssid_len
,
699 WLAN_CAPABILITY_ESS
, WLAN_CAPABILITY_ESS
);
701 wiphy_warn(priv
->wdev
->wiphy
, "assoc: bss %pM not in scan results\n",
704 ret
= mwifiex_bss_start(priv
, bss
, &bss_info
.ssid
);
710 * IOCTL request handler to get rate.
712 * This function prepares the correct firmware command and
713 * issues it to get the current rate if it is connected,
714 * otherwise, the function returns the lowest supported rate
717 static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private
*priv
,
718 struct mwifiex_rate_cfg
*rate_cfg
)
720 struct mwifiex_adapter
*adapter
= priv
->adapter
;
722 rate_cfg
->is_rate_auto
= priv
->is_data_rate_auto
;
723 if (!priv
->media_connected
) {
724 switch (adapter
->config_bands
) {
726 /* Return the lowest supported rate for B band */
727 rate_cfg
->rate
= supported_rates_b
[0] & 0x7f;
730 case BAND_G
| BAND_GN
:
731 /* Return the lowest supported rate for G band */
732 rate_cfg
->rate
= supported_rates_g
[0] & 0x7f;
734 case BAND_B
| BAND_G
:
735 case BAND_A
| BAND_B
| BAND_G
:
736 case BAND_A
| BAND_B
:
737 case BAND_A
| BAND_B
| BAND_G
| BAND_AN
| BAND_GN
:
738 case BAND_B
| BAND_G
| BAND_GN
:
739 /* Return the lowest supported rate for BG band */
740 rate_cfg
->rate
= supported_rates_bg
[0] & 0x7f;
743 case BAND_A
| BAND_G
:
744 case BAND_A
| BAND_G
| BAND_AN
| BAND_GN
:
745 case BAND_A
| BAND_AN
:
746 /* Return the lowest supported rate for A band */
747 rate_cfg
->rate
= supported_rates_a
[0] & 0x7f;
750 /* Return the lowest supported rate for N band */
751 rate_cfg
->rate
= supported_rates_n
[0] & 0x7f;
754 dev_warn(adapter
->dev
, "invalid band %#x\n",
755 adapter
->config_bands
);
759 return mwifiex_send_cmd_sync(priv
,
760 HostCmd_CMD_802_11_TX_RATE_QUERY
,
761 HostCmd_ACT_GEN_GET
, 0, NULL
);
768 * IOCTL request handler to set rate.
770 * This function prepares the correct firmware command and
771 * issues it to set the current rate.
773 * The function also performs validation checking on the supplied value.
775 static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private
*priv
,
776 struct mwifiex_rate_cfg
*rate_cfg
)
778 u8 rates
[MWIFIEX_SUPPORTED_RATES
];
781 u16 bitmap_rates
[MAX_BITMAP_RATES_SIZE
];
783 struct mwifiex_adapter
*adapter
= priv
->adapter
;
785 if (rate_cfg
->is_rate_auto
) {
786 memset(bitmap_rates
, 0, sizeof(bitmap_rates
));
787 /* Support all HR/DSSS rates */
788 bitmap_rates
[0] = 0x000F;
789 /* Support all OFDM rates */
790 bitmap_rates
[1] = 0x00FF;
791 /* Support all HT-MCSs rate */
792 for (i
= 0; i
< ARRAY_SIZE(priv
->bitmap_rates
) - 3; i
++)
793 bitmap_rates
[i
+ 2] = 0xFFFF;
794 bitmap_rates
[9] = 0x3FFF;
796 memset(rates
, 0, sizeof(rates
));
797 mwifiex_get_active_data_rates(priv
, rates
);
799 for (i
= 0; (rate
[i
] && i
< MWIFIEX_SUPPORTED_RATES
); i
++) {
800 dev_dbg(adapter
->dev
, "info: rate=%#x wanted=%#x\n",
801 rate
[i
], rate_cfg
->rate
);
802 if ((rate
[i
] & 0x7f) == (rate_cfg
->rate
& 0x7f))
805 if (!rate
[i
] || (i
== MWIFIEX_SUPPORTED_RATES
)) {
806 dev_err(adapter
->dev
, "fixed data rate %#x is out "
807 "of range\n", rate_cfg
->rate
);
810 memset(bitmap_rates
, 0, sizeof(bitmap_rates
));
812 rate_index
= mwifiex_data_rate_to_index(rate_cfg
->rate
);
814 /* Only allow b/g rates to be set */
815 if (rate_index
>= MWIFIEX_RATE_INDEX_HRDSSS0
&&
816 rate_index
<= MWIFIEX_RATE_INDEX_HRDSSS3
) {
817 bitmap_rates
[0] = 1 << rate_index
;
819 rate_index
-= 1; /* There is a 0x00 in the table */
820 if (rate_index
>= MWIFIEX_RATE_INDEX_OFDM0
&&
821 rate_index
<= MWIFIEX_RATE_INDEX_OFDM7
)
822 bitmap_rates
[1] = 1 << (rate_index
-
823 MWIFIEX_RATE_INDEX_OFDM0
);
827 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_TX_RATE_CFG
,
828 HostCmd_ACT_GEN_SET
, 0, bitmap_rates
);
834 * IOCTL request handler to set/get rate.
836 * This function can be used to set/get either the rate value or the
839 static int mwifiex_rate_ioctl_cfg(struct mwifiex_private
*priv
,
840 struct mwifiex_rate_cfg
*rate_cfg
)
847 if (rate_cfg
->action
== HostCmd_ACT_GEN_GET
)
848 status
= mwifiex_rate_ioctl_get_rate_value(priv
, rate_cfg
);
850 status
= mwifiex_rate_ioctl_set_rate_value(priv
, rate_cfg
);
856 * Sends IOCTL request to get the data rate.
858 * This function allocates the IOCTL request buffer, fills it
859 * with requisite parameters and calls the IOCTL handler.
861 int mwifiex_drv_get_data_rate(struct mwifiex_private
*priv
,
862 struct mwifiex_rate_cfg
*rate
)
866 memset(rate
, 0, sizeof(struct mwifiex_rate_cfg
));
867 rate
->action
= HostCmd_ACT_GEN_GET
;
868 ret
= mwifiex_rate_ioctl_cfg(priv
, rate
);
871 if (rate
->is_rate_auto
)
872 rate
->rate
= mwifiex_index_to_data_rate(priv
->tx_rate
,
875 rate
->rate
= priv
->data_rate
;
884 * IOCTL request handler to set tx power configuration.
886 * This function prepares the correct firmware command and
889 * For non-auto power mode, all the following power groups are set -
890 * - Modulation class HR/DSSS
891 * - Modulation class OFDM
892 * - Modulation class HTBW20
893 * - Modulation class HTBW40
895 int mwifiex_set_tx_power(struct mwifiex_private
*priv
,
896 struct mwifiex_power_cfg
*power_cfg
)
899 struct host_cmd_ds_txpwr_cfg
*txp_cfg
;
900 struct mwifiex_types_power_group
*pg_tlv
;
901 struct mwifiex_power_group
*pg
;
905 if (!power_cfg
->is_power_auto
) {
906 dbm
= (u16
) power_cfg
->power_level
;
907 if ((dbm
< priv
->min_tx_power_level
) ||
908 (dbm
> priv
->max_tx_power_level
)) {
909 dev_err(priv
->adapter
->dev
, "txpower value %d dBm"
910 " is out of range (%d dBm-%d dBm)\n",
911 dbm
, priv
->min_tx_power_level
,
912 priv
->max_tx_power_level
);
916 buf
= kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER
, GFP_KERNEL
);
918 dev_err(priv
->adapter
->dev
, "%s: failed to alloc cmd buffer\n",
923 txp_cfg
= (struct host_cmd_ds_txpwr_cfg
*) buf
;
924 txp_cfg
->action
= cpu_to_le16(HostCmd_ACT_GEN_SET
);
925 if (!power_cfg
->is_power_auto
) {
926 txp_cfg
->mode
= cpu_to_le32(1);
927 pg_tlv
= (struct mwifiex_types_power_group
*) (buf
+
928 sizeof(struct host_cmd_ds_txpwr_cfg
));
929 pg_tlv
->type
= TLV_TYPE_POWER_GROUP
;
930 pg_tlv
->length
= 4 * sizeof(struct mwifiex_power_group
);
931 pg
= (struct mwifiex_power_group
*) (buf
+
932 sizeof(struct host_cmd_ds_txpwr_cfg
) +
933 sizeof(struct mwifiex_types_power_group
));
934 /* Power group for modulation class HR/DSSS */
935 pg
->first_rate_code
= 0x00;
936 pg
->last_rate_code
= 0x03;
937 pg
->modulation_class
= MOD_CLASS_HR_DSSS
;
939 pg
->power_min
= (s8
) dbm
;
940 pg
->power_max
= (s8
) dbm
;
942 /* Power group for modulation class OFDM */
943 pg
->first_rate_code
= 0x00;
944 pg
->last_rate_code
= 0x07;
945 pg
->modulation_class
= MOD_CLASS_OFDM
;
947 pg
->power_min
= (s8
) dbm
;
948 pg
->power_max
= (s8
) dbm
;
950 /* Power group for modulation class HTBW20 */
951 pg
->first_rate_code
= 0x00;
952 pg
->last_rate_code
= 0x20;
953 pg
->modulation_class
= MOD_CLASS_HT
;
955 pg
->power_min
= (s8
) dbm
;
956 pg
->power_max
= (s8
) dbm
;
957 pg
->ht_bandwidth
= HT_BW_20
;
959 /* Power group for modulation class HTBW40 */
960 pg
->first_rate_code
= 0x00;
961 pg
->last_rate_code
= 0x20;
962 pg
->modulation_class
= MOD_CLASS_HT
;
964 pg
->power_min
= (s8
) dbm
;
965 pg
->power_max
= (s8
) dbm
;
966 pg
->ht_bandwidth
= HT_BW_40
;
968 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_TXPWR_CFG
,
969 HostCmd_ACT_GEN_SET
, 0, buf
);
976 * IOCTL request handler to get power save mode.
978 * This function prepares the correct firmware command and
981 int mwifiex_drv_set_power(struct mwifiex_private
*priv
, u32
*ps_mode
)
984 struct mwifiex_adapter
*adapter
= priv
->adapter
;
988 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_PSP
;
990 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_CAM
;
991 sub_cmd
= (*ps_mode
) ? EN_AUTO_PS
: DIS_AUTO_PS
;
992 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_PS_MODE_ENH
,
993 sub_cmd
, BITMAP_STA_PS
, NULL
);
994 if ((!ret
) && (sub_cmd
== DIS_AUTO_PS
))
995 ret
= mwifiex_send_cmd_async(priv
,
996 HostCmd_CMD_802_11_PS_MODE_ENH
, GET_PS
,
1003 * IOCTL request handler to set/reset WPA IE.
1005 * The supplied WPA IE is treated as a opaque buffer. Only the first field
1006 * is checked to determine WPA version. If buffer length is zero, the existing
1009 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private
*priv
,
1010 u8
*ie_data_ptr
, u16 ie_len
)
1013 if (ie_len
> sizeof(priv
->wpa_ie
)) {
1014 dev_err(priv
->adapter
->dev
,
1015 "failed to copy WPA IE, too big\n");
1018 memcpy(priv
->wpa_ie
, ie_data_ptr
, ie_len
);
1019 priv
->wpa_ie_len
= (u8
) ie_len
;
1020 dev_dbg(priv
->adapter
->dev
, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
1021 priv
->wpa_ie_len
, priv
->wpa_ie
[0]);
1023 if (priv
->wpa_ie
[0] == WLAN_EID_WPA
) {
1024 priv
->sec_info
.wpa_enabled
= true;
1025 } else if (priv
->wpa_ie
[0] == WLAN_EID_RSN
) {
1026 priv
->sec_info
.wpa2_enabled
= true;
1028 priv
->sec_info
.wpa_enabled
= false;
1029 priv
->sec_info
.wpa2_enabled
= false;
1032 memset(priv
->wpa_ie
, 0, sizeof(priv
->wpa_ie
));
1033 priv
->wpa_ie_len
= 0;
1034 dev_dbg(priv
->adapter
->dev
, "info: reset wpa_ie_len=%d IE=%#x\n",
1035 priv
->wpa_ie_len
, priv
->wpa_ie
[0]);
1036 priv
->sec_info
.wpa_enabled
= false;
1037 priv
->sec_info
.wpa2_enabled
= false;
1044 * IOCTL request handler to set/reset WAPI IE.
1046 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
1047 * is checked to internally enable WAPI. If buffer length is zero, the existing
1050 static int mwifiex_set_wapi_ie(struct mwifiex_private
*priv
,
1051 u8
*ie_data_ptr
, u16 ie_len
)
1054 if (ie_len
> sizeof(priv
->wapi_ie
)) {
1055 dev_dbg(priv
->adapter
->dev
,
1056 "info: failed to copy WAPI IE, too big\n");
1059 memcpy(priv
->wapi_ie
, ie_data_ptr
, ie_len
);
1060 priv
->wapi_ie_len
= ie_len
;
1061 dev_dbg(priv
->adapter
->dev
, "cmd: Set wapi_ie_len=%d IE=%#x\n",
1062 priv
->wapi_ie_len
, priv
->wapi_ie
[0]);
1064 if (priv
->wapi_ie
[0] == WLAN_EID_BSS_AC_ACCESS_DELAY
)
1065 priv
->sec_info
.wapi_enabled
= true;
1067 memset(priv
->wapi_ie
, 0, sizeof(priv
->wapi_ie
));
1068 priv
->wapi_ie_len
= ie_len
;
1069 dev_dbg(priv
->adapter
->dev
,
1070 "info: Reset wapi_ie_len=%d IE=%#x\n",
1071 priv
->wapi_ie_len
, priv
->wapi_ie
[0]);
1072 priv
->sec_info
.wapi_enabled
= false;
1078 * IOCTL request handler to set WAPI key.
1080 * This function prepares the correct firmware command and
1083 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private
*priv
,
1084 struct mwifiex_ds_encrypt_key
*encrypt_key
)
1087 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_KEY_MATERIAL
,
1088 HostCmd_ACT_GEN_SET
, KEY_INFO_ENABLED
,
1093 * IOCTL request handler to set WEP network key.
1095 * This function prepares the correct firmware command and
1096 * issues it, after validation checks.
1098 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private
*priv
,
1099 struct mwifiex_ds_encrypt_key
*encrypt_key
)
1102 struct mwifiex_wep_key
*wep_key
;
1105 if (priv
->wep_key_curr_index
>= NUM_WEP_KEYS
)
1106 priv
->wep_key_curr_index
= 0;
1107 wep_key
= &priv
->wep_key
[priv
->wep_key_curr_index
];
1108 index
= encrypt_key
->key_index
;
1109 if (encrypt_key
->key_disable
) {
1110 priv
->sec_info
.wep_status
= MWIFIEX_802_11_WEP_DISABLED
;
1111 } else if (!encrypt_key
->key_len
) {
1112 /* Copy the required key as the current key */
1113 wep_key
= &priv
->wep_key
[index
];
1114 if (!wep_key
->key_length
) {
1115 dev_err(priv
->adapter
->dev
,
1116 "key not set, so cannot enable it\n");
1119 priv
->wep_key_curr_index
= (u16
) index
;
1120 priv
->sec_info
.wep_status
= MWIFIEX_802_11_WEP_ENABLED
;
1122 wep_key
= &priv
->wep_key
[index
];
1123 memset(wep_key
, 0, sizeof(struct mwifiex_wep_key
));
1124 /* Copy the key in the driver */
1125 memcpy(wep_key
->key_material
,
1126 encrypt_key
->key_material
,
1127 encrypt_key
->key_len
);
1128 wep_key
->key_index
= index
;
1129 wep_key
->key_length
= encrypt_key
->key_len
;
1130 priv
->sec_info
.wep_status
= MWIFIEX_802_11_WEP_ENABLED
;
1132 if (wep_key
->key_length
) {
1133 /* Send request to firmware */
1134 ret
= mwifiex_send_cmd_async(priv
,
1135 HostCmd_CMD_802_11_KEY_MATERIAL
,
1136 HostCmd_ACT_GEN_SET
, 0, NULL
);
1140 if (priv
->sec_info
.wep_status
== MWIFIEX_802_11_WEP_ENABLED
)
1141 priv
->curr_pkt_filter
|= HostCmd_ACT_MAC_WEP_ENABLE
;
1143 priv
->curr_pkt_filter
&= ~HostCmd_ACT_MAC_WEP_ENABLE
;
1145 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_MAC_CONTROL
,
1146 HostCmd_ACT_GEN_SET
, 0,
1147 &priv
->curr_pkt_filter
);
1153 * IOCTL request handler to set WPA key.
1155 * This function prepares the correct firmware command and
1156 * issues it, after validation checks.
1158 * Current driver only supports key length of up to 32 bytes.
1160 * This function can also be used to disable a currently set key.
1162 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private
*priv
,
1163 struct mwifiex_ds_encrypt_key
*encrypt_key
)
1166 u8 remove_key
= false;
1167 struct host_cmd_ds_802_11_key_material
*ibss_key
;
1169 /* Current driver only supports key length of up to 32 bytes */
1170 if (encrypt_key
->key_len
> WLAN_MAX_KEY_LEN
) {
1171 dev_err(priv
->adapter
->dev
, "key length too long\n");
1175 if (priv
->bss_mode
== NL80211_IFTYPE_ADHOC
) {
1177 * IBSS/WPA-None uses only one key (Group) for both receiving
1178 * and sending unicast and multicast packets.
1180 /* Send the key as PTK to firmware */
1181 encrypt_key
->key_index
= MWIFIEX_KEY_INDEX_UNICAST
;
1182 ret
= mwifiex_send_cmd_async(priv
,
1183 HostCmd_CMD_802_11_KEY_MATERIAL
,
1184 HostCmd_ACT_GEN_SET
, KEY_INFO_ENABLED
,
1189 ibss_key
= &priv
->aes_key
;
1191 sizeof(struct host_cmd_ds_802_11_key_material
));
1192 /* Copy the key in the driver */
1193 memcpy(ibss_key
->key_param_set
.key
, encrypt_key
->key_material
,
1194 encrypt_key
->key_len
);
1195 memcpy(&ibss_key
->key_param_set
.key_len
, &encrypt_key
->key_len
,
1196 sizeof(ibss_key
->key_param_set
.key_len
));
1197 ibss_key
->key_param_set
.key_type_id
1198 = cpu_to_le16(KEY_TYPE_ID_TKIP
);
1199 ibss_key
->key_param_set
.key_info
= cpu_to_le16(KEY_ENABLED
);
1201 /* Send the key as GTK to firmware */
1202 encrypt_key
->key_index
= ~MWIFIEX_KEY_INDEX_UNICAST
;
1205 if (!encrypt_key
->key_index
)
1206 encrypt_key
->key_index
= MWIFIEX_KEY_INDEX_UNICAST
;
1209 ret
= mwifiex_send_cmd_sync(priv
,
1210 HostCmd_CMD_802_11_KEY_MATERIAL
,
1211 HostCmd_ACT_GEN_SET
, !(KEY_INFO_ENABLED
),
1214 ret
= mwifiex_send_cmd_sync(priv
,
1215 HostCmd_CMD_802_11_KEY_MATERIAL
,
1216 HostCmd_ACT_GEN_SET
, KEY_INFO_ENABLED
,
1223 * IOCTL request handler to set/get network keys.
1225 * This is a generic key handling function which supports WEP, WPA
1229 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private
*priv
,
1230 struct mwifiex_ds_encrypt_key
*encrypt_key
)
1234 if (encrypt_key
->is_wapi_key
)
1235 status
= mwifiex_sec_ioctl_set_wapi_key(priv
, encrypt_key
);
1236 else if (encrypt_key
->key_len
> WLAN_KEY_LEN_WEP104
)
1237 status
= mwifiex_sec_ioctl_set_wpa_key(priv
, encrypt_key
);
1239 status
= mwifiex_sec_ioctl_set_wep_key(priv
, encrypt_key
);
1244 * This function returns the driver version.
1247 mwifiex_drv_get_driver_version(struct mwifiex_adapter
*adapter
, char *version
,
1256 ver
.l
= adapter
->fw_release_number
;
1257 sprintf(fw_ver
, "%u.%u.%u.p%u", ver
.c
[2], ver
.c
[1], ver
.c
[0], ver
.c
[3]);
1259 snprintf(version
, max_len
, driver_version
, fw_ver
);
1261 dev_dbg(adapter
->dev
, "info: MWIFIEX VERSION: %s\n", version
);
1267 * Sends IOCTL request to get signal information.
1269 * This function allocates the IOCTL request buffer, fills it
1270 * with requisite parameters and calls the IOCTL handler.
1272 int mwifiex_get_signal_info(struct mwifiex_private
*priv
,
1273 struct mwifiex_ds_get_signal
*signal
)
1277 signal
->selector
= ALL_RSSI_INFO_MASK
;
1279 /* Signal info can be obtained only if connected */
1280 if (!priv
->media_connected
) {
1281 dev_dbg(priv
->adapter
->dev
,
1282 "info: Can not get signal in disconnected state\n");
1286 status
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_RSSI_INFO
,
1287 HostCmd_ACT_GEN_GET
, 0, signal
);
1290 if (signal
->selector
& BCN_RSSI_AVG_MASK
)
1291 priv
->qual_level
= signal
->bcn_rssi_avg
;
1292 if (signal
->selector
& BCN_NF_AVG_MASK
)
1293 priv
->qual_noise
= signal
->bcn_nf_avg
;
1300 * Sends IOCTL request to set encoding parameters.
1302 * This function allocates the IOCTL request buffer, fills it
1303 * with requisite parameters and calls the IOCTL handler.
1305 int mwifiex_set_encode(struct mwifiex_private
*priv
, const u8
*key
,
1306 int key_len
, u8 key_index
, int disable
)
1308 struct mwifiex_ds_encrypt_key encrypt_key
;
1310 memset(&encrypt_key
, 0, sizeof(struct mwifiex_ds_encrypt_key
));
1311 encrypt_key
.key_len
= key_len
;
1313 encrypt_key
.key_index
= key_index
;
1315 memcpy(encrypt_key
.key_material
, key
, key_len
);
1317 encrypt_key
.key_disable
= true;
1320 return mwifiex_sec_ioctl_encrypt_key(priv
, &encrypt_key
);
1324 * Sends IOCTL request to get extended version.
1326 * This function allocates the IOCTL request buffer, fills it
1327 * with requisite parameters and calls the IOCTL handler.
1330 mwifiex_get_ver_ext(struct mwifiex_private
*priv
)
1332 struct mwifiex_ver_ext ver_ext
;
1334 memset(&ver_ext
, 0, sizeof(struct host_cmd_ds_version_ext
));
1335 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_VERSION_EXT
,
1336 HostCmd_ACT_GEN_GET
, 0, &ver_ext
))
1343 * Sends IOCTL request to get statistics information.
1345 * This function allocates the IOCTL request buffer, fills it
1346 * with requisite parameters and calls the IOCTL handler.
1349 mwifiex_get_stats_info(struct mwifiex_private
*priv
,
1350 struct mwifiex_ds_get_stats
*log
)
1352 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_GET_LOG
,
1353 HostCmd_ACT_GEN_GET
, 0, log
);
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
> IEEE_MAX_IE_SIZE
)
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
))