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 /* Status pending, wake up main process */
70 queue_work(adapter
->workqueue
, &adapter
->main_work
);
72 /* Wait for completion */
73 wait_event_interruptible(adapter
->cmd_wait_q
.wait
,
74 *(cmd_queued
->condition
));
75 if (!*(cmd_queued
->condition
))
79 mwifiex_cancel_pending_ioctl(adapter
);
80 dev_dbg(adapter
->dev
, "cmd cancel\n");
83 status
= adapter
->cmd_wait_q
.status
;
84 adapter
->cmd_wait_q
.status
= 0;
90 * This function prepares the correct firmware command and
91 * issues it to set the multicast list.
93 * This function can be used to enable promiscuous mode, or enable all
94 * multicast packets, or to enable selective multicast.
96 int mwifiex_request_set_multicast_list(struct mwifiex_private
*priv
,
97 struct mwifiex_multicast_list
*mcast_list
)
102 old_pkt_filter
= priv
->curr_pkt_filter
;
104 if (mcast_list
->mode
== MWIFIEX_PROMISC_MODE
) {
105 dev_dbg(priv
->adapter
->dev
, "info: Enable Promiscuous mode\n");
106 priv
->curr_pkt_filter
|= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE
;
107 priv
->curr_pkt_filter
&=
108 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE
;
111 priv
->curr_pkt_filter
&= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE
;
112 if (mcast_list
->mode
== MWIFIEX_MULTICAST_MODE
) {
113 dev_dbg(priv
->adapter
->dev
,
114 "info: Enabling All Multicast!\n");
115 priv
->curr_pkt_filter
|=
116 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE
;
118 priv
->curr_pkt_filter
&=
119 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE
;
120 if (mcast_list
->num_multicast_addr
) {
121 dev_dbg(priv
->adapter
->dev
,
122 "info: Set multicast list=%d\n",
123 mcast_list
->num_multicast_addr
);
124 /* Set multicast addresses to firmware */
125 if (old_pkt_filter
== priv
->curr_pkt_filter
) {
126 /* Send request to firmware */
127 ret
= mwifiex_send_cmd_async(priv
,
128 HostCmd_CMD_MAC_MULTICAST_ADR
,
129 HostCmd_ACT_GEN_SET
, 0,
132 /* Send request to firmware */
133 ret
= mwifiex_send_cmd_async(priv
,
134 HostCmd_CMD_MAC_MULTICAST_ADR
,
135 HostCmd_ACT_GEN_SET
, 0,
141 dev_dbg(priv
->adapter
->dev
,
142 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
143 old_pkt_filter
, priv
->curr_pkt_filter
);
144 if (old_pkt_filter
!= priv
->curr_pkt_filter
) {
145 ret
= mwifiex_send_cmd_async(priv
, HostCmd_CMD_MAC_CONTROL
,
147 0, &priv
->curr_pkt_filter
);
154 * This function fills bss descriptor structure using provided
157 int mwifiex_fill_new_bss_desc(struct mwifiex_private
*priv
,
158 u8
*bssid
, s32 rssi
, u8
*ie_buf
,
159 size_t ie_len
, u16 beacon_period
,
160 u16 cap_info_bitmap
, u8 band
,
161 struct mwifiex_bssdescriptor
*bss_desc
)
165 memcpy(bss_desc
->mac_address
, bssid
, ETH_ALEN
);
166 bss_desc
->rssi
= rssi
;
167 bss_desc
->beacon_buf
= ie_buf
;
168 bss_desc
->beacon_buf_size
= ie_len
;
169 bss_desc
->beacon_period
= beacon_period
;
170 bss_desc
->cap_info_bitmap
= cap_info_bitmap
;
171 bss_desc
->bss_band
= band
;
172 if (bss_desc
->cap_info_bitmap
& WLAN_CAPABILITY_PRIVACY
) {
173 dev_dbg(priv
->adapter
->dev
, "info: InterpretIE: AP WEP enabled\n");
174 bss_desc
->privacy
= MWIFIEX_802_11_PRIV_FILTER_8021X_WEP
;
176 bss_desc
->privacy
= MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL
;
178 if (bss_desc
->cap_info_bitmap
& WLAN_CAPABILITY_IBSS
)
179 bss_desc
->bss_mode
= NL80211_IFTYPE_ADHOC
;
181 bss_desc
->bss_mode
= NL80211_IFTYPE_STATION
;
183 ret
= mwifiex_update_bss_desc_with_ie(priv
->adapter
, bss_desc
,
190 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
191 * In both Ad-Hoc and infra mode, an deauthentication is performed
194 int mwifiex_bss_start(struct mwifiex_private
*priv
, struct cfg80211_bss
*bss
,
195 struct cfg80211_ssid
*req_ssid
)
198 struct mwifiex_adapter
*adapter
= priv
->adapter
;
199 struct mwifiex_bssdescriptor
*bss_desc
= NULL
;
200 u8
*beacon_ie
= NULL
;
202 priv
->scan_block
= false;
205 /* Allocate and fill new bss descriptor */
206 bss_desc
= kzalloc(sizeof(struct mwifiex_bssdescriptor
),
209 dev_err(priv
->adapter
->dev
, " failed to alloc bss_desc\n");
213 beacon_ie
= kmemdup(bss
->information_elements
,
214 bss
->len_beacon_ies
, GFP_KERNEL
);
217 dev_err(priv
->adapter
->dev
, " failed to alloc beacon_ie\n");
221 ret
= mwifiex_fill_new_bss_desc(priv
, bss
->bssid
, bss
->signal
,
222 beacon_ie
, bss
->len_beacon_ies
,
223 bss
->beacon_interval
,
225 *(u8
*)bss
->priv
, bss_desc
);
230 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
) {
232 ret
= mwifiex_deauthenticate(priv
, NULL
);
236 ret
= mwifiex_check_network_compatibility(priv
, bss_desc
);
240 dev_dbg(adapter
->dev
, "info: SSID found in scan list ... "
243 if (!netif_queue_stopped(priv
->netdev
))
244 mwifiex_stop_net_dev_queue(priv
->netdev
, adapter
);
245 if (netif_carrier_ok(priv
->netdev
))
246 netif_carrier_off(priv
->netdev
);
248 /* Clear any past association response stored for
249 * application retrieval */
250 priv
->assoc_rsp_size
= 0;
251 ret
= mwifiex_associate(priv
, bss_desc
);
253 /* If auth type is auto and association fails using open mode,
254 * try to connect using shared mode */
255 if (ret
== WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG
&&
256 priv
->sec_info
.is_authtype_auto
&&
257 priv
->sec_info
.wep_enabled
) {
258 priv
->sec_info
.authentication_mode
=
259 NL80211_AUTHTYPE_SHARED_KEY
;
260 ret
= mwifiex_associate(priv
, bss_desc
);
264 cfg80211_put_bss(bss
);
267 /* If the requested SSID matches current SSID, return */
268 if (bss_desc
&& bss_desc
->ssid
.ssid_len
&&
269 (!mwifiex_ssid_cmp(&priv
->curr_bss_params
.bss_descriptor
.
270 ssid
, &bss_desc
->ssid
))) {
276 /* Exit Adhoc mode first */
277 dev_dbg(adapter
->dev
, "info: Sending Adhoc Stop\n");
278 ret
= mwifiex_deauthenticate(priv
, NULL
);
282 priv
->adhoc_is_link_sensed
= false;
284 ret
= mwifiex_check_network_compatibility(priv
, bss_desc
);
286 if (!netif_queue_stopped(priv
->netdev
))
287 mwifiex_stop_net_dev_queue(priv
->netdev
, adapter
);
288 if (netif_carrier_ok(priv
->netdev
))
289 netif_carrier_off(priv
->netdev
);
292 dev_dbg(adapter
->dev
, "info: network found in scan"
293 " list. Joining...\n");
294 ret
= mwifiex_adhoc_join(priv
, bss_desc
);
296 cfg80211_put_bss(bss
);
298 dev_dbg(adapter
->dev
, "info: Network not found in "
299 "the list, creating adhoc with ssid = %s\n",
301 ret
= mwifiex_adhoc_start(priv
, req_ssid
);
312 * IOCTL request handler to set host sleep configuration.
314 * This function prepares the correct firmware command and
317 static int mwifiex_set_hs_params(struct mwifiex_private
*priv
, u16 action
,
318 int cmd_type
, struct mwifiex_ds_hs_cfg
*hs_cfg
)
321 struct mwifiex_adapter
*adapter
= priv
->adapter
;
329 case HostCmd_ACT_GEN_SET
:
330 if (adapter
->pps_uapsd_mode
) {
331 dev_dbg(adapter
->dev
, "info: Host Sleep IOCTL"
332 " is blocked in UAPSD/PPS mode\n");
336 if (hs_cfg
->is_invoke_hostcmd
) {
337 if (hs_cfg
->conditions
== HOST_SLEEP_CFG_CANCEL
) {
338 if (!adapter
->is_hs_configured
)
339 /* Already cancelled */
341 /* Save previous condition */
342 prev_cond
= le32_to_cpu(adapter
->hs_cfg
344 adapter
->hs_cfg
.conditions
=
345 cpu_to_le32(hs_cfg
->conditions
);
346 } else if (hs_cfg
->conditions
) {
347 adapter
->hs_cfg
.conditions
=
348 cpu_to_le32(hs_cfg
->conditions
);
349 adapter
->hs_cfg
.gpio
= (u8
)hs_cfg
->gpio
;
351 adapter
->hs_cfg
.gap
= (u8
)hs_cfg
->gap
;
352 } else if (adapter
->hs_cfg
.conditions
353 == cpu_to_le32(HOST_SLEEP_CFG_CANCEL
)) {
354 /* Return failure if no parameters for HS
359 if (cmd_type
== MWIFIEX_SYNC_CMD
)
360 status
= mwifiex_send_cmd_sync(priv
,
361 HostCmd_CMD_802_11_HS_CFG_ENH
,
362 HostCmd_ACT_GEN_SET
, 0,
365 status
= mwifiex_send_cmd_async(priv
,
366 HostCmd_CMD_802_11_HS_CFG_ENH
,
367 HostCmd_ACT_GEN_SET
, 0,
369 if (hs_cfg
->conditions
== HOST_SLEEP_CFG_CANCEL
)
370 /* Restore previous condition */
371 adapter
->hs_cfg
.conditions
=
372 cpu_to_le32(prev_cond
);
374 adapter
->hs_cfg
.conditions
=
375 cpu_to_le32(hs_cfg
->conditions
);
376 adapter
->hs_cfg
.gpio
= (u8
)hs_cfg
->gpio
;
377 adapter
->hs_cfg
.gap
= (u8
)hs_cfg
->gap
;
380 case HostCmd_ACT_GEN_GET
:
381 hs_cfg
->conditions
= le32_to_cpu(adapter
->hs_cfg
.conditions
);
382 hs_cfg
->gpio
= adapter
->hs_cfg
.gpio
;
383 hs_cfg
->gap
= adapter
->hs_cfg
.gap
;
394 * Sends IOCTL request to cancel the existing Host Sleep configuration.
396 * This function allocates the IOCTL request buffer, fills it
397 * with requisite parameters and calls the IOCTL handler.
399 int mwifiex_cancel_hs(struct mwifiex_private
*priv
, int cmd_type
)
401 struct mwifiex_ds_hs_cfg hscfg
;
403 hscfg
.conditions
= HOST_SLEEP_CFG_CANCEL
;
404 hscfg
.is_invoke_hostcmd
= true;
406 return mwifiex_set_hs_params(priv
, HostCmd_ACT_GEN_SET
,
409 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs
);
412 * Sends IOCTL request to cancel the existing Host Sleep configuration.
414 * This function allocates the IOCTL request buffer, fills it
415 * with requisite parameters and calls the IOCTL handler.
417 int mwifiex_enable_hs(struct mwifiex_adapter
*adapter
)
419 struct mwifiex_ds_hs_cfg hscfg
;
421 if (adapter
->hs_activated
) {
422 dev_dbg(adapter
->dev
, "cmd: HS Already actived\n");
426 adapter
->hs_activate_wait_q_woken
= false;
428 memset(&hscfg
, 0, sizeof(struct mwifiex_ds_hs_cfg
));
429 hscfg
.is_invoke_hostcmd
= true;
431 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter
,
432 MWIFIEX_BSS_ROLE_STA
),
433 HostCmd_ACT_GEN_SET
, MWIFIEX_SYNC_CMD
,
435 dev_err(adapter
->dev
, "IOCTL request HS enable failed\n");
439 wait_event_interruptible(adapter
->hs_activate_wait_q
,
440 adapter
->hs_activate_wait_q_woken
);
444 EXPORT_SYMBOL_GPL(mwifiex_enable_hs
);
447 * IOCTL request handler to get BSS information.
449 * This function collates the information from different driver structures
450 * to send to the user.
452 int mwifiex_get_bss_info(struct mwifiex_private
*priv
,
453 struct mwifiex_bss_info
*info
)
455 struct mwifiex_adapter
*adapter
= priv
->adapter
;
456 struct mwifiex_bssdescriptor
*bss_desc
;
461 bss_desc
= &priv
->curr_bss_params
.bss_descriptor
;
463 info
->bss_mode
= priv
->bss_mode
;
465 memcpy(&info
->ssid
, &bss_desc
->ssid
, sizeof(struct cfg80211_ssid
));
467 memcpy(&info
->bssid
, &bss_desc
->mac_address
, ETH_ALEN
);
469 info
->bss_chan
= bss_desc
->channel
;
471 info
->region_code
= adapter
->region_code
;
473 info
->media_connected
= priv
->media_connected
;
475 info
->max_power_level
= priv
->max_tx_power_level
;
476 info
->min_power_level
= priv
->min_tx_power_level
;
478 info
->adhoc_state
= priv
->adhoc_state
;
480 info
->bcn_nf_last
= priv
->bcn_nf_last
;
482 if (priv
->sec_info
.wep_enabled
)
483 info
->wep_status
= true;
485 info
->wep_status
= false;
487 info
->is_hs_configured
= adapter
->is_hs_configured
;
488 info
->is_deep_sleep
= adapter
->is_deep_sleep
;
494 * The function disables auto deep sleep mode.
496 int mwifiex_disable_auto_ds(struct mwifiex_private
*priv
)
498 struct mwifiex_ds_auto_ds auto_ds
;
500 auto_ds
.auto_ds
= DEEP_SLEEP_OFF
;
502 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_PS_MODE_ENH
,
503 DIS_AUTO_PS
, BITMAP_AUTO_DS
, &auto_ds
);
505 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds
);
508 * IOCTL request handler to set/get active channel.
510 * This function performs validity checking on channel/frequency
511 * compatibility and returns failure if not valid.
513 int mwifiex_bss_set_channel(struct mwifiex_private
*priv
,
514 struct mwifiex_chan_freq_power
*chan
)
516 struct mwifiex_adapter
*adapter
= priv
->adapter
;
517 struct mwifiex_chan_freq_power
*cfp
= NULL
;
522 if (!chan
->channel
&& !chan
->freq
)
524 if (adapter
->adhoc_start_band
& BAND_AN
)
525 adapter
->adhoc_start_band
= BAND_G
| BAND_B
| BAND_GN
;
526 else if (adapter
->adhoc_start_band
& BAND_A
)
527 adapter
->adhoc_start_band
= BAND_G
| BAND_B
;
529 if (chan
->channel
<= MAX_CHANNEL_BAND_BG
)
530 cfp
= mwifiex_get_cfp(priv
, 0, (u16
) chan
->channel
, 0);
532 cfp
= mwifiex_get_cfp(priv
, BAND_A
,
533 (u16
) chan
->channel
, 0);
535 if (adapter
->adhoc_11n_enabled
)
536 adapter
->adhoc_start_band
= BAND_A
539 adapter
->adhoc_start_band
= BAND_A
;
543 if (chan
->freq
<= MAX_FREQUENCY_BAND_BG
)
544 cfp
= mwifiex_get_cfp(priv
, 0, 0, chan
->freq
);
546 cfp
= mwifiex_get_cfp(priv
, BAND_A
, 0, chan
->freq
);
548 if (adapter
->adhoc_11n_enabled
)
549 adapter
->adhoc_start_band
= BAND_A
552 adapter
->adhoc_start_band
= BAND_A
;
556 if (!cfp
|| !cfp
->channel
) {
557 dev_err(adapter
->dev
, "invalid channel/freq\n");
560 priv
->adhoc_channel
= (u8
) cfp
->channel
;
561 chan
->channel
= cfp
->channel
;
562 chan
->freq
= cfp
->freq
;
568 * IOCTL request handler to set/get Ad-Hoc channel.
570 * This function prepares the correct firmware command and
571 * issues it to set or get the ad-hoc channel.
573 static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private
*priv
,
574 u16 action
, u16
*channel
)
576 if (action
== HostCmd_ACT_GEN_GET
) {
577 if (!priv
->media_connected
) {
578 *channel
= priv
->adhoc_channel
;
582 priv
->adhoc_channel
= (u8
) *channel
;
585 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_RF_CHANNEL
,
590 * IOCTL request handler to change Ad-Hoc channel.
592 * This function allocates the IOCTL request buffer, fills it
593 * with requisite parameters and calls the IOCTL handler.
595 * The function follows the following steps to perform the change -
596 * - Get current IBSS information
597 * - Get current channel
598 * - If no change is required, return
599 * - If not connected, change channel and return
603 * - Perform specific SSID scan with same SSID
604 * - Start/Join the IBSS
607 mwifiex_drv_change_adhoc_chan(struct mwifiex_private
*priv
, u16 channel
)
610 struct mwifiex_bss_info bss_info
;
611 struct mwifiex_ssid_bssid ssid_bssid
;
613 struct cfg80211_bss
*bss
= NULL
;
614 struct ieee80211_channel
*chan
;
615 enum ieee80211_band band
;
617 memset(&bss_info
, 0, sizeof(bss_info
));
619 /* Get BSS information */
620 if (mwifiex_get_bss_info(priv
, &bss_info
))
623 /* Get current channel */
624 ret
= mwifiex_bss_ioctl_ibss_channel(priv
, HostCmd_ACT_GEN_GET
,
627 if (curr_chan
== channel
) {
631 dev_dbg(priv
->adapter
->dev
, "cmd: updating channel from %d to %d\n",
634 if (!bss_info
.media_connected
) {
640 memset(&ssid_bssid
, 0, ETH_ALEN
);
641 ret
= mwifiex_deauthenticate(priv
, ssid_bssid
.bssid
);
643 ret
= mwifiex_bss_ioctl_ibss_channel(priv
, HostCmd_ACT_GEN_SET
,
646 /* Do specific SSID scanning */
647 if (mwifiex_request_scan(priv
, &bss_info
.ssid
)) {
652 band
= mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
653 chan
= __ieee80211_get_channel(priv
->wdev
->wiphy
,
654 ieee80211_channel_to_frequency(channel
,
657 /* Find the BSS we want using available scan results */
658 bss
= cfg80211_get_bss(priv
->wdev
->wiphy
, chan
, bss_info
.bssid
,
659 bss_info
.ssid
.ssid
, bss_info
.ssid
.ssid_len
,
660 WLAN_CAPABILITY_ESS
, WLAN_CAPABILITY_ESS
);
662 wiphy_warn(priv
->wdev
->wiphy
, "assoc: bss %pM not in scan results\n",
665 ret
= mwifiex_bss_start(priv
, bss
, &bss_info
.ssid
);
671 * IOCTL request handler to get rate.
673 * This function prepares the correct firmware command and
674 * issues it to get the current rate if it is connected,
675 * otherwise, the function returns the lowest supported rate
678 static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private
*priv
,
679 struct mwifiex_rate_cfg
*rate_cfg
)
681 rate_cfg
->is_rate_auto
= priv
->is_data_rate_auto
;
682 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_TX_RATE_QUERY
,
683 HostCmd_ACT_GEN_GET
, 0, NULL
);
687 * IOCTL request handler to set rate.
689 * This function prepares the correct firmware command and
690 * issues it to set the current rate.
692 * The function also performs validation checking on the supplied value.
694 static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private
*priv
,
695 struct mwifiex_rate_cfg
*rate_cfg
)
697 u8 rates
[MWIFIEX_SUPPORTED_RATES
];
700 u16 bitmap_rates
[MAX_BITMAP_RATES_SIZE
];
702 struct mwifiex_adapter
*adapter
= priv
->adapter
;
704 if (rate_cfg
->is_rate_auto
) {
705 memset(bitmap_rates
, 0, sizeof(bitmap_rates
));
706 /* Support all HR/DSSS rates */
707 bitmap_rates
[0] = 0x000F;
708 /* Support all OFDM rates */
709 bitmap_rates
[1] = 0x00FF;
710 /* Support all HT-MCSs rate */
711 for (i
= 0; i
< ARRAY_SIZE(priv
->bitmap_rates
) - 3; i
++)
712 bitmap_rates
[i
+ 2] = 0xFFFF;
713 bitmap_rates
[9] = 0x3FFF;
715 memset(rates
, 0, sizeof(rates
));
716 mwifiex_get_active_data_rates(priv
, rates
);
718 for (i
= 0; (rate
[i
] && i
< MWIFIEX_SUPPORTED_RATES
); i
++) {
719 dev_dbg(adapter
->dev
, "info: rate=%#x wanted=%#x\n",
720 rate
[i
], rate_cfg
->rate
);
721 if ((rate
[i
] & 0x7f) == (rate_cfg
->rate
& 0x7f))
724 if ((i
== MWIFIEX_SUPPORTED_RATES
) || !rate
[i
]) {
725 dev_err(adapter
->dev
, "fixed data rate %#x is out "
726 "of range\n", rate_cfg
->rate
);
729 memset(bitmap_rates
, 0, sizeof(bitmap_rates
));
731 rate_index
= mwifiex_data_rate_to_index(rate_cfg
->rate
);
733 /* Only allow b/g rates to be set */
734 if (rate_index
>= MWIFIEX_RATE_INDEX_HRDSSS0
&&
735 rate_index
<= MWIFIEX_RATE_INDEX_HRDSSS3
) {
736 bitmap_rates
[0] = 1 << rate_index
;
738 rate_index
-= 1; /* There is a 0x00 in the table */
739 if (rate_index
>= MWIFIEX_RATE_INDEX_OFDM0
&&
740 rate_index
<= MWIFIEX_RATE_INDEX_OFDM7
)
741 bitmap_rates
[1] = 1 << (rate_index
-
742 MWIFIEX_RATE_INDEX_OFDM0
);
746 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_TX_RATE_CFG
,
747 HostCmd_ACT_GEN_SET
, 0, bitmap_rates
);
753 * IOCTL request handler to set/get rate.
755 * This function can be used to set/get either the rate value or the
758 static int mwifiex_rate_ioctl_cfg(struct mwifiex_private
*priv
,
759 struct mwifiex_rate_cfg
*rate_cfg
)
766 if (rate_cfg
->action
== HostCmd_ACT_GEN_GET
)
767 status
= mwifiex_rate_ioctl_get_rate_value(priv
, rate_cfg
);
769 status
= mwifiex_rate_ioctl_set_rate_value(priv
, rate_cfg
);
775 * Sends IOCTL request to get the data rate.
777 * This function allocates the IOCTL request buffer, fills it
778 * with requisite parameters and calls the IOCTL handler.
780 int mwifiex_drv_get_data_rate(struct mwifiex_private
*priv
,
781 struct mwifiex_rate_cfg
*rate
)
785 memset(rate
, 0, sizeof(struct mwifiex_rate_cfg
));
786 rate
->action
= HostCmd_ACT_GEN_GET
;
787 ret
= mwifiex_rate_ioctl_cfg(priv
, rate
);
790 if (rate
->is_rate_auto
)
791 rate
->rate
= mwifiex_index_to_data_rate(priv
,
796 rate
->rate
= priv
->data_rate
;
805 * IOCTL request handler to set tx power configuration.
807 * This function prepares the correct firmware command and
810 * For non-auto power mode, all the following power groups are set -
811 * - Modulation class HR/DSSS
812 * - Modulation class OFDM
813 * - Modulation class HTBW20
814 * - Modulation class HTBW40
816 int mwifiex_set_tx_power(struct mwifiex_private
*priv
,
817 struct mwifiex_power_cfg
*power_cfg
)
820 struct host_cmd_ds_txpwr_cfg
*txp_cfg
;
821 struct mwifiex_types_power_group
*pg_tlv
;
822 struct mwifiex_power_group
*pg
;
826 if (!power_cfg
->is_power_auto
) {
827 dbm
= (u16
) power_cfg
->power_level
;
828 if ((dbm
< priv
->min_tx_power_level
) ||
829 (dbm
> priv
->max_tx_power_level
)) {
830 dev_err(priv
->adapter
->dev
, "txpower value %d dBm"
831 " is out of range (%d dBm-%d dBm)\n",
832 dbm
, priv
->min_tx_power_level
,
833 priv
->max_tx_power_level
);
837 buf
= kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER
, GFP_KERNEL
);
839 dev_err(priv
->adapter
->dev
, "%s: failed to alloc cmd buffer\n",
844 txp_cfg
= (struct host_cmd_ds_txpwr_cfg
*) buf
;
845 txp_cfg
->action
= cpu_to_le16(HostCmd_ACT_GEN_SET
);
846 if (!power_cfg
->is_power_auto
) {
847 txp_cfg
->mode
= cpu_to_le32(1);
848 pg_tlv
= (struct mwifiex_types_power_group
*)
849 (buf
+ sizeof(struct host_cmd_ds_txpwr_cfg
));
850 pg_tlv
->type
= TLV_TYPE_POWER_GROUP
;
851 pg_tlv
->length
= 4 * sizeof(struct mwifiex_power_group
);
852 pg
= (struct mwifiex_power_group
*)
853 (buf
+ sizeof(struct host_cmd_ds_txpwr_cfg
)
854 + sizeof(struct mwifiex_types_power_group
));
855 /* Power group for modulation class HR/DSSS */
856 pg
->first_rate_code
= 0x00;
857 pg
->last_rate_code
= 0x03;
858 pg
->modulation_class
= MOD_CLASS_HR_DSSS
;
860 pg
->power_min
= (s8
) dbm
;
861 pg
->power_max
= (s8
) dbm
;
863 /* Power group for modulation class OFDM */
864 pg
->first_rate_code
= 0x00;
865 pg
->last_rate_code
= 0x07;
866 pg
->modulation_class
= MOD_CLASS_OFDM
;
868 pg
->power_min
= (s8
) dbm
;
869 pg
->power_max
= (s8
) dbm
;
871 /* Power group for modulation class HTBW20 */
872 pg
->first_rate_code
= 0x00;
873 pg
->last_rate_code
= 0x20;
874 pg
->modulation_class
= MOD_CLASS_HT
;
876 pg
->power_min
= (s8
) dbm
;
877 pg
->power_max
= (s8
) dbm
;
878 pg
->ht_bandwidth
= HT_BW_20
;
880 /* Power group for modulation class HTBW40 */
881 pg
->first_rate_code
= 0x00;
882 pg
->last_rate_code
= 0x20;
883 pg
->modulation_class
= MOD_CLASS_HT
;
885 pg
->power_min
= (s8
) dbm
;
886 pg
->power_max
= (s8
) dbm
;
887 pg
->ht_bandwidth
= HT_BW_40
;
889 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_TXPWR_CFG
,
890 HostCmd_ACT_GEN_SET
, 0, buf
);
897 * IOCTL request handler to get power save mode.
899 * This function prepares the correct firmware command and
902 int mwifiex_drv_set_power(struct mwifiex_private
*priv
, u32
*ps_mode
)
905 struct mwifiex_adapter
*adapter
= priv
->adapter
;
909 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_PSP
;
911 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_CAM
;
912 sub_cmd
= (*ps_mode
) ? EN_AUTO_PS
: DIS_AUTO_PS
;
913 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_PS_MODE_ENH
,
914 sub_cmd
, BITMAP_STA_PS
, NULL
);
915 if ((!ret
) && (sub_cmd
== DIS_AUTO_PS
))
916 ret
= mwifiex_send_cmd_async(priv
,
917 HostCmd_CMD_802_11_PS_MODE_ENH
,
924 * IOCTL request handler to set/reset WPA IE.
926 * The supplied WPA IE is treated as a opaque buffer. Only the first field
927 * is checked to determine WPA version. If buffer length is zero, the existing
930 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private
*priv
,
931 u8
*ie_data_ptr
, u16 ie_len
)
934 if (ie_len
> sizeof(priv
->wpa_ie
)) {
935 dev_err(priv
->adapter
->dev
,
936 "failed to copy WPA IE, too big\n");
939 memcpy(priv
->wpa_ie
, ie_data_ptr
, ie_len
);
940 priv
->wpa_ie_len
= (u8
) ie_len
;
941 dev_dbg(priv
->adapter
->dev
, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
942 priv
->wpa_ie_len
, priv
->wpa_ie
[0]);
944 if (priv
->wpa_ie
[0] == WLAN_EID_WPA
) {
945 priv
->sec_info
.wpa_enabled
= true;
946 } else if (priv
->wpa_ie
[0] == WLAN_EID_RSN
) {
947 priv
->sec_info
.wpa2_enabled
= true;
949 priv
->sec_info
.wpa_enabled
= false;
950 priv
->sec_info
.wpa2_enabled
= false;
953 memset(priv
->wpa_ie
, 0, sizeof(priv
->wpa_ie
));
954 priv
->wpa_ie_len
= 0;
955 dev_dbg(priv
->adapter
->dev
, "info: reset wpa_ie_len=%d IE=%#x\n",
956 priv
->wpa_ie_len
, priv
->wpa_ie
[0]);
957 priv
->sec_info
.wpa_enabled
= false;
958 priv
->sec_info
.wpa2_enabled
= false;
965 * IOCTL request handler to set/reset WAPI IE.
967 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
968 * is checked to internally enable WAPI. If buffer length is zero, the existing
971 static int mwifiex_set_wapi_ie(struct mwifiex_private
*priv
,
972 u8
*ie_data_ptr
, u16 ie_len
)
975 if (ie_len
> sizeof(priv
->wapi_ie
)) {
976 dev_dbg(priv
->adapter
->dev
,
977 "info: failed to copy WAPI IE, too big\n");
980 memcpy(priv
->wapi_ie
, ie_data_ptr
, ie_len
);
981 priv
->wapi_ie_len
= ie_len
;
982 dev_dbg(priv
->adapter
->dev
, "cmd: Set wapi_ie_len=%d IE=%#x\n",
983 priv
->wapi_ie_len
, priv
->wapi_ie
[0]);
985 if (priv
->wapi_ie
[0] == WLAN_EID_BSS_AC_ACCESS_DELAY
)
986 priv
->sec_info
.wapi_enabled
= true;
988 memset(priv
->wapi_ie
, 0, sizeof(priv
->wapi_ie
));
989 priv
->wapi_ie_len
= ie_len
;
990 dev_dbg(priv
->adapter
->dev
,
991 "info: Reset wapi_ie_len=%d IE=%#x\n",
992 priv
->wapi_ie_len
, priv
->wapi_ie
[0]);
993 priv
->sec_info
.wapi_enabled
= false;
999 * IOCTL request handler to set WAPI key.
1001 * This function prepares the correct firmware command and
1004 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private
*priv
,
1005 struct mwifiex_ds_encrypt_key
*encrypt_key
)
1008 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_KEY_MATERIAL
,
1009 HostCmd_ACT_GEN_SET
, KEY_INFO_ENABLED
,
1014 * IOCTL request handler to set WEP network key.
1016 * This function prepares the correct firmware command and
1017 * issues it, after validation checks.
1019 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private
*priv
,
1020 struct mwifiex_ds_encrypt_key
*encrypt_key
)
1023 struct mwifiex_wep_key
*wep_key
;
1026 if (priv
->wep_key_curr_index
>= NUM_WEP_KEYS
)
1027 priv
->wep_key_curr_index
= 0;
1028 wep_key
= &priv
->wep_key
[priv
->wep_key_curr_index
];
1029 index
= encrypt_key
->key_index
;
1030 if (encrypt_key
->key_disable
) {
1031 priv
->sec_info
.wep_enabled
= 0;
1032 } else if (!encrypt_key
->key_len
) {
1033 /* Copy the required key as the current key */
1034 wep_key
= &priv
->wep_key
[index
];
1035 if (!wep_key
->key_length
) {
1036 dev_err(priv
->adapter
->dev
,
1037 "key not set, so cannot enable it\n");
1040 priv
->wep_key_curr_index
= (u16
) index
;
1041 priv
->sec_info
.wep_enabled
= 1;
1043 wep_key
= &priv
->wep_key
[index
];
1044 memset(wep_key
, 0, sizeof(struct mwifiex_wep_key
));
1045 /* Copy the key in the driver */
1046 memcpy(wep_key
->key_material
,
1047 encrypt_key
->key_material
,
1048 encrypt_key
->key_len
);
1049 wep_key
->key_index
= index
;
1050 wep_key
->key_length
= encrypt_key
->key_len
;
1051 priv
->sec_info
.wep_enabled
= 1;
1053 if (wep_key
->key_length
) {
1054 /* Send request to firmware */
1055 ret
= mwifiex_send_cmd_async(priv
,
1056 HostCmd_CMD_802_11_KEY_MATERIAL
,
1057 HostCmd_ACT_GEN_SET
, 0, NULL
);
1061 if (priv
->sec_info
.wep_enabled
)
1062 priv
->curr_pkt_filter
|= HostCmd_ACT_MAC_WEP_ENABLE
;
1064 priv
->curr_pkt_filter
&= ~HostCmd_ACT_MAC_WEP_ENABLE
;
1066 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_MAC_CONTROL
,
1067 HostCmd_ACT_GEN_SET
, 0,
1068 &priv
->curr_pkt_filter
);
1074 * IOCTL request handler to set WPA key.
1076 * This function prepares the correct firmware command and
1077 * issues it, after validation checks.
1079 * Current driver only supports key length of up to 32 bytes.
1081 * This function can also be used to disable a currently set key.
1083 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private
*priv
,
1084 struct mwifiex_ds_encrypt_key
*encrypt_key
)
1087 u8 remove_key
= false;
1088 struct host_cmd_ds_802_11_key_material
*ibss_key
;
1090 /* Current driver only supports key length of up to 32 bytes */
1091 if (encrypt_key
->key_len
> WLAN_MAX_KEY_LEN
) {
1092 dev_err(priv
->adapter
->dev
, "key length too long\n");
1096 if (priv
->bss_mode
== NL80211_IFTYPE_ADHOC
) {
1098 * IBSS/WPA-None uses only one key (Group) for both receiving
1099 * and sending unicast and multicast packets.
1101 /* Send the key as PTK to firmware */
1102 encrypt_key
->key_index
= MWIFIEX_KEY_INDEX_UNICAST
;
1103 ret
= mwifiex_send_cmd_async(priv
,
1104 HostCmd_CMD_802_11_KEY_MATERIAL
,
1105 HostCmd_ACT_GEN_SET
,
1106 KEY_INFO_ENABLED
, encrypt_key
);
1110 ibss_key
= &priv
->aes_key
;
1112 sizeof(struct host_cmd_ds_802_11_key_material
));
1113 /* Copy the key in the driver */
1114 memcpy(ibss_key
->key_param_set
.key
, encrypt_key
->key_material
,
1115 encrypt_key
->key_len
);
1116 memcpy(&ibss_key
->key_param_set
.key_len
, &encrypt_key
->key_len
,
1117 sizeof(ibss_key
->key_param_set
.key_len
));
1118 ibss_key
->key_param_set
.key_type_id
1119 = cpu_to_le16(KEY_TYPE_ID_TKIP
);
1120 ibss_key
->key_param_set
.key_info
= cpu_to_le16(KEY_ENABLED
);
1122 /* Send the key as GTK to firmware */
1123 encrypt_key
->key_index
= ~MWIFIEX_KEY_INDEX_UNICAST
;
1126 if (!encrypt_key
->key_index
)
1127 encrypt_key
->key_index
= MWIFIEX_KEY_INDEX_UNICAST
;
1130 ret
= mwifiex_send_cmd_sync(priv
,
1131 HostCmd_CMD_802_11_KEY_MATERIAL
,
1132 HostCmd_ACT_GEN_SET
,
1133 !KEY_INFO_ENABLED
, encrypt_key
);
1135 ret
= mwifiex_send_cmd_sync(priv
,
1136 HostCmd_CMD_802_11_KEY_MATERIAL
,
1137 HostCmd_ACT_GEN_SET
,
1138 KEY_INFO_ENABLED
, encrypt_key
);
1144 * IOCTL request handler to set/get network keys.
1146 * This is a generic key handling function which supports WEP, WPA
1150 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private
*priv
,
1151 struct mwifiex_ds_encrypt_key
*encrypt_key
)
1155 if (encrypt_key
->is_wapi_key
)
1156 status
= mwifiex_sec_ioctl_set_wapi_key(priv
, encrypt_key
);
1157 else if (encrypt_key
->key_len
> WLAN_KEY_LEN_WEP104
)
1158 status
= mwifiex_sec_ioctl_set_wpa_key(priv
, encrypt_key
);
1160 status
= mwifiex_sec_ioctl_set_wep_key(priv
, encrypt_key
);
1165 * This function returns the driver version.
1168 mwifiex_drv_get_driver_version(struct mwifiex_adapter
*adapter
, char *version
,
1177 ver
.l
= adapter
->fw_release_number
;
1178 sprintf(fw_ver
, "%u.%u.%u.p%u", ver
.c
[2], ver
.c
[1], ver
.c
[0], ver
.c
[3]);
1180 snprintf(version
, max_len
, driver_version
, fw_ver
);
1182 dev_dbg(adapter
->dev
, "info: MWIFIEX VERSION: %s\n", version
);
1188 * Sends IOCTL request to get signal information.
1190 * This function allocates the IOCTL request buffer, fills it
1191 * with requisite parameters and calls the IOCTL handler.
1193 int mwifiex_get_signal_info(struct mwifiex_private
*priv
,
1194 struct mwifiex_ds_get_signal
*signal
)
1198 signal
->selector
= ALL_RSSI_INFO_MASK
;
1200 /* Signal info can be obtained only if connected */
1201 if (!priv
->media_connected
) {
1202 dev_dbg(priv
->adapter
->dev
,
1203 "info: Can not get signal in disconnected state\n");
1207 status
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_RSSI_INFO
,
1208 HostCmd_ACT_GEN_GET
, 0, signal
);
1211 if (signal
->selector
& BCN_RSSI_AVG_MASK
)
1212 priv
->qual_level
= signal
->bcn_rssi_avg
;
1213 if (signal
->selector
& BCN_NF_AVG_MASK
)
1214 priv
->qual_noise
= signal
->bcn_nf_avg
;
1221 * Sends IOCTL request to set encoding parameters.
1223 * This function allocates the IOCTL request buffer, fills it
1224 * with requisite parameters and calls the IOCTL handler.
1226 int mwifiex_set_encode(struct mwifiex_private
*priv
, const u8
*key
,
1227 int key_len
, u8 key_index
, int disable
)
1229 struct mwifiex_ds_encrypt_key encrypt_key
;
1231 memset(&encrypt_key
, 0, sizeof(struct mwifiex_ds_encrypt_key
));
1232 encrypt_key
.key_len
= key_len
;
1234 encrypt_key
.key_index
= key_index
;
1236 memcpy(encrypt_key
.key_material
, key
, key_len
);
1238 encrypt_key
.key_disable
= true;
1241 return mwifiex_sec_ioctl_encrypt_key(priv
, &encrypt_key
);
1245 * Sends IOCTL request to get extended version.
1247 * This function allocates the IOCTL request buffer, fills it
1248 * with requisite parameters and calls the IOCTL handler.
1251 mwifiex_get_ver_ext(struct mwifiex_private
*priv
)
1253 struct mwifiex_ver_ext ver_ext
;
1255 memset(&ver_ext
, 0, sizeof(struct host_cmd_ds_version_ext
));
1256 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_VERSION_EXT
,
1257 HostCmd_ACT_GEN_GET
, 0, &ver_ext
))
1264 * Sends IOCTL request to get statistics information.
1266 * This function allocates the IOCTL request buffer, fills it
1267 * with requisite parameters and calls the IOCTL handler.
1270 mwifiex_get_stats_info(struct mwifiex_private
*priv
,
1271 struct mwifiex_ds_get_stats
*log
)
1273 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_GET_LOG
,
1274 HostCmd_ACT_GEN_GET
, 0, log
);
1278 * IOCTL request handler to read/write register.
1280 * This function prepares the correct firmware command and
1283 * Access to the following registers are supported -
1290 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private
*priv
,
1291 struct mwifiex_ds_reg_rw
*reg_rw
,
1296 switch (le32_to_cpu(reg_rw
->type
)) {
1297 case MWIFIEX_REG_MAC
:
1298 cmd_no
= HostCmd_CMD_MAC_REG_ACCESS
;
1300 case MWIFIEX_REG_BBP
:
1301 cmd_no
= HostCmd_CMD_BBP_REG_ACCESS
;
1303 case MWIFIEX_REG_RF
:
1304 cmd_no
= HostCmd_CMD_RF_REG_ACCESS
;
1306 case MWIFIEX_REG_PMIC
:
1307 cmd_no
= HostCmd_CMD_PMIC_REG_ACCESS
;
1309 case MWIFIEX_REG_CAU
:
1310 cmd_no
= HostCmd_CMD_CAU_REG_ACCESS
;
1316 return mwifiex_send_cmd_sync(priv
, cmd_no
, action
, 0, reg_rw
);
1321 * Sends IOCTL request to write to a register.
1323 * This function allocates the IOCTL request buffer, fills it
1324 * with requisite parameters and calls the IOCTL handler.
1327 mwifiex_reg_write(struct mwifiex_private
*priv
, u32 reg_type
,
1328 u32 reg_offset
, u32 reg_value
)
1330 struct mwifiex_ds_reg_rw reg_rw
;
1332 reg_rw
.type
= cpu_to_le32(reg_type
);
1333 reg_rw
.offset
= cpu_to_le32(reg_offset
);
1334 reg_rw
.value
= cpu_to_le32(reg_value
);
1336 return mwifiex_reg_mem_ioctl_reg_rw(priv
, ®_rw
, HostCmd_ACT_GEN_SET
);
1340 * Sends IOCTL request to read from a register.
1342 * This function allocates the IOCTL request buffer, fills it
1343 * with requisite parameters and calls the IOCTL handler.
1346 mwifiex_reg_read(struct mwifiex_private
*priv
, u32 reg_type
,
1347 u32 reg_offset
, u32
*value
)
1350 struct mwifiex_ds_reg_rw reg_rw
;
1352 reg_rw
.type
= cpu_to_le32(reg_type
);
1353 reg_rw
.offset
= cpu_to_le32(reg_offset
);
1354 ret
= mwifiex_reg_mem_ioctl_reg_rw(priv
, ®_rw
, HostCmd_ACT_GEN_GET
);
1359 *value
= le32_to_cpu(reg_rw
.value
);
1366 * Sends IOCTL request to read from EEPROM.
1368 * This function allocates the IOCTL request buffer, fills it
1369 * with requisite parameters and calls the IOCTL handler.
1372 mwifiex_eeprom_read(struct mwifiex_private
*priv
, u16 offset
, u16 bytes
,
1376 struct mwifiex_ds_read_eeprom rd_eeprom
;
1378 rd_eeprom
.offset
= cpu_to_le16((u16
) offset
);
1379 rd_eeprom
.byte_count
= cpu_to_le16((u16
) bytes
);
1381 /* Send request to firmware */
1382 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_EEPROM_ACCESS
,
1383 HostCmd_ACT_GEN_GET
, 0, &rd_eeprom
);
1386 memcpy(value
, rd_eeprom
.value
, MAX_EEPROM_DATA
);
1391 * This function sets a generic IE. In addition to generic IE, it can
1392 * also handle WPA, WPA2 and WAPI IEs.
1395 mwifiex_set_gen_ie_helper(struct mwifiex_private
*priv
, u8
*ie_data_ptr
,
1399 struct ieee_types_vendor_header
*pvendor_ie
;
1400 const u8 wpa_oui
[] = { 0x00, 0x50, 0xf2, 0x01 };
1401 const u8 wps_oui
[] = { 0x00, 0x50, 0xf2, 0x04 };
1403 /* If the passed length is zero, reset the buffer */
1405 priv
->gen_ie_buf_len
= 0;
1406 priv
->wps
.session_enable
= false;
1409 } else if (!ie_data_ptr
) {
1412 pvendor_ie
= (struct ieee_types_vendor_header
*) ie_data_ptr
;
1413 /* Test to see if it is a WPA IE, if not, then it is a gen IE */
1414 if (((pvendor_ie
->element_id
== WLAN_EID_WPA
) &&
1415 (!memcmp(pvendor_ie
->oui
, wpa_oui
, sizeof(wpa_oui
)))) ||
1416 (pvendor_ie
->element_id
== WLAN_EID_RSN
)) {
1418 /* IE is a WPA/WPA2 IE so call set_wpa function */
1419 ret
= mwifiex_set_wpa_ie_helper(priv
, ie_data_ptr
, ie_len
);
1420 priv
->wps
.session_enable
= false;
1423 } else if (pvendor_ie
->element_id
== WLAN_EID_BSS_AC_ACCESS_DELAY
) {
1424 /* IE is a WAPI IE so call set_wapi function */
1425 ret
= mwifiex_set_wapi_ie(priv
, ie_data_ptr
, ie_len
);
1430 * Verify that the passed length is not larger than the
1431 * available space remaining in the buffer
1433 if (ie_len
< (sizeof(priv
->gen_ie_buf
) - priv
->gen_ie_buf_len
)) {
1435 /* Test to see if it is a WPS IE, if so, enable
1438 pvendor_ie
= (struct ieee_types_vendor_header
*) ie_data_ptr
;
1439 if ((pvendor_ie
->element_id
== WLAN_EID_VENDOR_SPECIFIC
) &&
1440 (!memcmp(pvendor_ie
->oui
, wps_oui
, sizeof(wps_oui
)))) {
1441 priv
->wps
.session_enable
= true;
1442 dev_dbg(priv
->adapter
->dev
,
1443 "info: WPS Session Enabled.\n");
1446 /* Append the passed data to the end of the
1448 memcpy(priv
->gen_ie_buf
+ priv
->gen_ie_buf_len
, ie_data_ptr
,
1450 /* Increment the stored buffer length by the
1452 priv
->gen_ie_buf_len
+= ie_len
;
1454 /* Passed data does not fit in the remaining
1459 /* Return 0, or -1 for error case */
1464 * IOCTL request handler to set/get generic IE.
1466 * In addition to various generic IEs, this function can also be
1467 * used to set the ARP filter.
1469 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private
*priv
,
1470 struct mwifiex_ds_misc_gen_ie
*gen_ie
,
1473 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1475 switch (gen_ie
->type
) {
1476 case MWIFIEX_IE_TYPE_GEN_IE
:
1477 if (action
== HostCmd_ACT_GEN_GET
) {
1478 gen_ie
->len
= priv
->wpa_ie_len
;
1479 memcpy(gen_ie
->ie_data
, priv
->wpa_ie
, gen_ie
->len
);
1481 mwifiex_set_gen_ie_helper(priv
, gen_ie
->ie_data
,
1485 case MWIFIEX_IE_TYPE_ARP_FILTER
:
1486 memset(adapter
->arp_filter
, 0, sizeof(adapter
->arp_filter
));
1487 if (gen_ie
->len
> ARP_FILTER_MAX_BUF_SIZE
) {
1488 adapter
->arp_filter_size
= 0;
1489 dev_err(adapter
->dev
, "invalid ARP filter size\n");
1492 memcpy(adapter
->arp_filter
, gen_ie
->ie_data
,
1494 adapter
->arp_filter_size
= gen_ie
->len
;
1498 dev_err(adapter
->dev
, "invalid IE type\n");
1505 * Sends IOCTL request to set a generic IE.
1507 * This function allocates the IOCTL request buffer, fills it
1508 * with requisite parameters and calls the IOCTL handler.
1511 mwifiex_set_gen_ie(struct mwifiex_private
*priv
, u8
*ie
, int ie_len
)
1513 struct mwifiex_ds_misc_gen_ie gen_ie
;
1515 if (ie_len
> IEEE_MAX_IE_SIZE
)
1518 gen_ie
.type
= MWIFIEX_IE_TYPE_GEN_IE
;
1519 gen_ie
.len
= ie_len
;
1520 memcpy(gen_ie
.ie_data
, ie
, ie_len
);
1521 if (mwifiex_misc_ioctl_gen_ie(priv
, &gen_ie
, HostCmd_ACT_GEN_SET
))