2
* Marvell Wireless LAN device driver: functions for station ioctl
4
* Copyright (C) 2011, Marvell International Ltd.
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* This software file (the "File") is distributed by Marvell International
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* 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
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* 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,
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adapter->cmd_wait_q.condition);
68
if (!adapter->cmd_wait_q.condition)
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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");
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priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
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priv->curr_pkt_filter &=
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~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
102
priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
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if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) {
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dev_dbg(priv->adapter->dev,
105
"info: Enabling All Multicast!\n");
106
priv->curr_pkt_filter |=
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HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
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priv->curr_pkt_filter &=
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~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
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if (mcast_list->num_multicast_addr) {
112
dev_dbg(priv->adapter->dev,
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"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 */
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ret = mwifiex_send_cmd_async(priv,
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HostCmd_CMD_MAC_MULTICAST_ADR,
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HostCmd_ACT_GEN_SET, 0,
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/* Send request to firmware */
124
ret = mwifiex_send_cmd_async(priv,
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HostCmd_CMD_MAC_MULTICAST_ADR,
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HostCmd_ACT_GEN_SET, 0,
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dev_dbg(priv->adapter->dev,
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"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,
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NL80211_IFTYPE_STATION);
177
dev_dbg(adapter->dev,
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"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,
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&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;
439
u8 infra_band, adhoc_band;
442
infra_band = (u8) radio_cfg->config_bands;
443
adhoc_band = (u8) radio_cfg->adhoc_start_band;
444
adhoc_channel = radio_cfg->adhoc_channel;
447
if ((infra_band | adapter->fw_bands) & ~adapter->fw_bands)
450
adapter->config_bands = infra_band;
452
/* SET Ad-hoc Band */
453
if ((adhoc_band | adapter->fw_bands) & ~adapter->fw_bands)
457
adapter->adhoc_start_band = adhoc_band;
458
adapter->chan_offset = (u8) radio_cfg->sec_chan_offset;
460
* If no adhoc_channel is supplied verify if the existing adhoc
461
* channel compiles with new adhoc_band
463
if (!adhoc_channel) {
464
if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211
465
(priv, adapter->adhoc_start_band,
466
priv->adhoc_channel)) {
467
/* Pass back the default channel */
468
radio_cfg->adhoc_channel = DEFAULT_AD_HOC_CHANNEL;
469
if ((adapter->adhoc_start_band & BAND_A)
470
|| (adapter->adhoc_start_band & BAND_AN))
471
radio_cfg->adhoc_channel =
472
DEFAULT_AD_HOC_CHANNEL_A;
474
} else { /* Retrurn error if adhoc_band and
475
adhoc_channel combination is invalid */
476
if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211
477
(priv, adapter->adhoc_start_band, (u16) adhoc_channel))
479
priv->adhoc_channel = (u8) adhoc_channel;
481
if ((adhoc_band & BAND_GN) || (adhoc_band & BAND_AN))
482
adapter->adhoc_11n_enabled = true;
484
adapter->adhoc_11n_enabled = false;
490
* IOCTL request handler to set/get active channel.
492
* This function performs validity checking on channel/frequency
493
* compatibility and returns failure if not valid.
495
int mwifiex_bss_set_channel(struct mwifiex_private *priv,
496
struct mwifiex_chan_freq_power *chan)
498
struct mwifiex_adapter *adapter = priv->adapter;
499
struct mwifiex_chan_freq_power *cfp = NULL;
504
if (!chan->channel && !chan->freq)
506
if (adapter->adhoc_start_band & BAND_AN)
507
adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN;
508
else if (adapter->adhoc_start_band & BAND_A)
509
adapter->adhoc_start_band = BAND_G | BAND_B;
511
if (chan->channel <= MAX_CHANNEL_BAND_BG)
512
cfp = mwifiex_get_cfp_by_band_and_channel_from_cfg80211
513
(priv, 0, (u16) chan->channel);
515
cfp = mwifiex_get_cfp_by_band_and_channel_from_cfg80211
516
(priv, BAND_A, (u16) chan->channel);
518
if (adapter->adhoc_11n_enabled)
519
adapter->adhoc_start_band = BAND_A
522
adapter->adhoc_start_band = BAND_A;
526
if (chan->freq <= MAX_FREQUENCY_BAND_BG)
527
cfp = mwifiex_get_cfp_by_band_and_freq_from_cfg80211(
528
priv, 0, chan->freq);
530
cfp = mwifiex_get_cfp_by_band_and_freq_from_cfg80211
531
(priv, BAND_A, chan->freq);
533
if (adapter->adhoc_11n_enabled)
534
adapter->adhoc_start_band = BAND_A
537
adapter->adhoc_start_band = BAND_A;
541
if (!cfp || !cfp->channel) {
542
dev_err(adapter->dev, "invalid channel/freq\n");
545
priv->adhoc_channel = (u8) cfp->channel;
546
chan->channel = cfp->channel;
547
chan->freq = cfp->freq;
553
* IOCTL request handler to set/get Ad-Hoc channel.
555
* This function prepares the correct firmware command and
556
* issues it to set or get the ad-hoc channel.
558
static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private *priv,
559
u16 action, u16 *channel)
561
if (action == HostCmd_ACT_GEN_GET) {
562
if (!priv->media_connected) {
563
*channel = priv->adhoc_channel;
567
priv->adhoc_channel = (u8) *channel;
570
return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_RF_CHANNEL,
575
* IOCTL request handler to find a particular BSS.
577
* The BSS can be searched with either a BSSID or a SSID. If none of
578
* these are provided, just the best BSS (best RSSI) is returned.
580
int mwifiex_bss_ioctl_find_bss(struct mwifiex_private *priv,
581
struct mwifiex_ssid_bssid *ssid_bssid)
583
struct mwifiex_adapter *adapter = priv->adapter;
584
struct mwifiex_bssdescriptor *bss_desc;
585
u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
589
if (memcmp(ssid_bssid->bssid, zero_mac, sizeof(zero_mac))) {
590
i = mwifiex_find_bssid_in_list(priv,
591
(u8 *) ssid_bssid->bssid,
594
memcpy(mac, ssid_bssid->bssid, sizeof(mac));
595
dev_err(adapter->dev, "cannot find bssid %pM\n", mac);
598
bss_desc = &adapter->scan_table[i];
599
memcpy(&ssid_bssid->ssid, &bss_desc->ssid,
600
sizeof(struct mwifiex_802_11_ssid));
601
} else if (ssid_bssid->ssid.ssid_len) {
602
i = mwifiex_find_ssid_in_list(priv, &ssid_bssid->ssid, NULL,
605
dev_err(adapter->dev, "cannot find ssid %s\n",
606
ssid_bssid->ssid.ssid);
609
bss_desc = &adapter->scan_table[i];
610
memcpy(ssid_bssid->bssid, bss_desc->mac_address, ETH_ALEN);
612
return mwifiex_find_best_network(priv, ssid_bssid);
619
* IOCTL request handler to change Ad-Hoc channel.
621
* This function allocates the IOCTL request buffer, fills it
622
* with requisite parameters and calls the IOCTL handler.
624
* The function follows the following steps to perform the change -
625
* - Get current IBSS information
626
* - Get current channel
627
* - If no change is required, return
628
* - If not connected, change channel and return
632
* - Perform specific SSID scan with same SSID
633
* - Start/Join the IBSS
636
mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, int channel)
639
struct mwifiex_bss_info bss_info;
640
struct mwifiex_ssid_bssid ssid_bssid;
643
memset(&bss_info, 0, sizeof(bss_info));
645
/* Get BSS information */
646
if (mwifiex_get_bss_info(priv, &bss_info))
649
/* Get current channel */
650
ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET,
653
if (curr_chan == channel) {
657
dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n",
660
if (!bss_info.media_connected) {
666
memset(&ssid_bssid, 0, ETH_ALEN);
667
ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid);
669
ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET,
672
/* Do specific SSID scanning */
673
if (mwifiex_request_scan(priv, &bss_info.ssid)) {
677
/* Start/Join Adhoc network */
678
memset(&ssid_bssid, 0, sizeof(struct mwifiex_ssid_bssid));
679
memcpy(&ssid_bssid.ssid, &bss_info.ssid,
680
sizeof(struct mwifiex_802_11_ssid));
682
ret = mwifiex_bss_start(priv, &ssid_bssid);
688
* IOCTL request handler to get rate.
690
* This function prepares the correct firmware command and
691
* issues it to get the current rate if it is connected,
692
* otherwise, the function returns the lowest supported rate
695
static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private *priv,
696
struct mwifiex_rate_cfg *rate_cfg)
698
struct mwifiex_adapter *adapter = priv->adapter;
700
rate_cfg->is_rate_auto = priv->is_data_rate_auto;
701
if (!priv->media_connected) {
702
switch (adapter->config_bands) {
704
/* Return the lowest supported rate for B band */
705
rate_cfg->rate = supported_rates_b[0] & 0x7f;
708
case BAND_G | BAND_GN:
709
/* Return the lowest supported rate for G band */
710
rate_cfg->rate = supported_rates_g[0] & 0x7f;
712
case BAND_B | BAND_G:
713
case BAND_A | BAND_B | BAND_G:
714
case BAND_A | BAND_B:
715
case BAND_A | BAND_B | BAND_G | BAND_AN | BAND_GN:
716
case BAND_B | BAND_G | BAND_GN:
717
/* Return the lowest supported rate for BG band */
718
rate_cfg->rate = supported_rates_bg[0] & 0x7f;
721
case BAND_A | BAND_G:
722
case BAND_A | BAND_G | BAND_AN | BAND_GN:
723
case BAND_A | BAND_AN:
724
/* Return the lowest supported rate for A band */
725
rate_cfg->rate = supported_rates_a[0] & 0x7f;
728
/* Return the lowest supported rate for N band */
729
rate_cfg->rate = supported_rates_n[0] & 0x7f;
732
dev_warn(adapter->dev, "invalid band %#x\n",
733
adapter->config_bands);
737
return mwifiex_send_cmd_sync(priv,
738
HostCmd_CMD_802_11_TX_RATE_QUERY,
739
HostCmd_ACT_GEN_GET, 0, NULL);
746
* IOCTL request handler to set rate.
748
* This function prepares the correct firmware command and
749
* issues it to set the current rate.
751
* The function also performs validation checking on the supplied value.
753
static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private *priv,
754
struct mwifiex_rate_cfg *rate_cfg)
756
u8 rates[MWIFIEX_SUPPORTED_RATES];
759
u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
761
struct mwifiex_adapter *adapter = priv->adapter;
763
if (rate_cfg->is_rate_auto) {
764
memset(bitmap_rates, 0, sizeof(bitmap_rates));
765
/* Support all HR/DSSS rates */
766
bitmap_rates[0] = 0x000F;
767
/* Support all OFDM rates */
768
bitmap_rates[1] = 0x00FF;
769
/* Support all HT-MCSs rate */
770
for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates) - 3; i++)
771
bitmap_rates[i + 2] = 0xFFFF;
772
bitmap_rates[9] = 0x3FFF;
774
memset(rates, 0, sizeof(rates));
775
mwifiex_get_active_data_rates(priv, rates);
777
for (i = 0; (rate[i] && i < MWIFIEX_SUPPORTED_RATES); i++) {
778
dev_dbg(adapter->dev, "info: rate=%#x wanted=%#x\n",
779
rate[i], rate_cfg->rate);
780
if ((rate[i] & 0x7f) == (rate_cfg->rate & 0x7f))
783
if (!rate[i] || (i == MWIFIEX_SUPPORTED_RATES)) {
784
dev_err(adapter->dev, "fixed data rate %#x is out "
785
"of range\n", rate_cfg->rate);
788
memset(bitmap_rates, 0, sizeof(bitmap_rates));
790
rate_index = mwifiex_data_rate_to_index(rate_cfg->rate);
792
/* Only allow b/g rates to be set */
793
if (rate_index >= MWIFIEX_RATE_INDEX_HRDSSS0 &&
794
rate_index <= MWIFIEX_RATE_INDEX_HRDSSS3) {
795
bitmap_rates[0] = 1 << rate_index;
797
rate_index -= 1; /* There is a 0x00 in the table */
798
if (rate_index >= MWIFIEX_RATE_INDEX_OFDM0 &&
799
rate_index <= MWIFIEX_RATE_INDEX_OFDM7)
800
bitmap_rates[1] = 1 << (rate_index -
801
MWIFIEX_RATE_INDEX_OFDM0);
805
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
806
HostCmd_ACT_GEN_SET, 0, bitmap_rates);
812
* IOCTL request handler to set/get rate.
814
* This function can be used to set/get either the rate value or the
817
static int mwifiex_rate_ioctl_cfg(struct mwifiex_private *priv,
818
struct mwifiex_rate_cfg *rate_cfg)
825
if (rate_cfg->action == HostCmd_ACT_GEN_GET)
826
status = mwifiex_rate_ioctl_get_rate_value(priv, rate_cfg);
828
status = mwifiex_rate_ioctl_set_rate_value(priv, rate_cfg);
834
* Sends IOCTL request to get the data rate.
836
* This function allocates the IOCTL request buffer, fills it
837
* with requisite parameters and calls the IOCTL handler.
839
int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
840
struct mwifiex_rate_cfg *rate)
844
memset(rate, 0, sizeof(struct mwifiex_rate_cfg));
845
rate->action = HostCmd_ACT_GEN_GET;
846
ret = mwifiex_rate_ioctl_cfg(priv, rate);
849
if (rate && rate->is_rate_auto)
850
rate->rate = mwifiex_index_to_data_rate(priv->tx_rate,
853
rate->rate = priv->data_rate;
862
* IOCTL request handler to set tx power configuration.
864
* This function prepares the correct firmware command and
867
* For non-auto power mode, all the following power groups are set -
868
* - Modulation class HR/DSSS
869
* - Modulation class OFDM
870
* - Modulation class HTBW20
871
* - Modulation class HTBW40
873
int mwifiex_set_tx_power(struct mwifiex_private *priv,
874
struct mwifiex_power_cfg *power_cfg)
877
struct host_cmd_ds_txpwr_cfg *txp_cfg;
878
struct mwifiex_types_power_group *pg_tlv;
879
struct mwifiex_power_group *pg;
883
if (!power_cfg->is_power_auto) {
884
dbm = (u16) power_cfg->power_level;
885
if ((dbm < priv->min_tx_power_level) ||
886
(dbm > priv->max_tx_power_level)) {
887
dev_err(priv->adapter->dev, "txpower value %d dBm"
888
" is out of range (%d dBm-%d dBm)\n",
889
dbm, priv->min_tx_power_level,
890
priv->max_tx_power_level);
894
buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
896
dev_err(priv->adapter->dev, "%s: failed to alloc cmd buffer\n",
901
txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
902
txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
903
if (!power_cfg->is_power_auto) {
904
txp_cfg->mode = cpu_to_le32(1);
905
pg_tlv = (struct mwifiex_types_power_group *) (buf +
906
sizeof(struct host_cmd_ds_txpwr_cfg));
907
pg_tlv->type = TLV_TYPE_POWER_GROUP;
908
pg_tlv->length = 4 * sizeof(struct mwifiex_power_group);
909
pg = (struct mwifiex_power_group *) (buf +
910
sizeof(struct host_cmd_ds_txpwr_cfg) +
911
sizeof(struct mwifiex_types_power_group));
912
/* Power group for modulation class HR/DSSS */
913
pg->first_rate_code = 0x00;
914
pg->last_rate_code = 0x03;
915
pg->modulation_class = MOD_CLASS_HR_DSSS;
917
pg->power_min = (s8) dbm;
918
pg->power_max = (s8) dbm;
920
/* Power group for modulation class OFDM */
921
pg->first_rate_code = 0x00;
922
pg->last_rate_code = 0x07;
923
pg->modulation_class = MOD_CLASS_OFDM;
925
pg->power_min = (s8) dbm;
926
pg->power_max = (s8) dbm;
928
/* Power group for modulation class HTBW20 */
929
pg->first_rate_code = 0x00;
930
pg->last_rate_code = 0x20;
931
pg->modulation_class = MOD_CLASS_HT;
933
pg->power_min = (s8) dbm;
934
pg->power_max = (s8) dbm;
935
pg->ht_bandwidth = HT_BW_20;
937
/* Power group for modulation class HTBW40 */
938
pg->first_rate_code = 0x00;
939
pg->last_rate_code = 0x20;
940
pg->modulation_class = MOD_CLASS_HT;
942
pg->power_min = (s8) dbm;
943
pg->power_max = (s8) dbm;
944
pg->ht_bandwidth = HT_BW_40;
946
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG,
947
HostCmd_ACT_GEN_SET, 0, buf);
954
* IOCTL request handler to get power save mode.
956
* This function prepares the correct firmware command and
959
int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
962
struct mwifiex_adapter *adapter = priv->adapter;
966
adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
968
adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
969
sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
970
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
971
sub_cmd, BITMAP_STA_PS, NULL);
972
if ((!ret) && (sub_cmd == DIS_AUTO_PS))
973
ret = mwifiex_send_cmd_async(priv,
974
HostCmd_CMD_802_11_PS_MODE_ENH, GET_PS,
981
* IOCTL request handler to set/reset WPA IE.
983
* The supplied WPA IE is treated as a opaque buffer. Only the first field
984
* is checked to determine WPA version. If buffer length is zero, the existing
987
static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
988
u8 *ie_data_ptr, u16 ie_len)
991
if (ie_len > sizeof(priv->wpa_ie)) {
992
dev_err(priv->adapter->dev,
993
"failed to copy WPA IE, too big\n");
996
memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
997
priv->wpa_ie_len = (u8) ie_len;
998
dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
999
priv->wpa_ie_len, priv->wpa_ie[0]);
1001
if (priv->wpa_ie[0] == WLAN_EID_WPA) {
1002
priv->sec_info.wpa_enabled = true;
1003
} else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
1004
priv->sec_info.wpa2_enabled = true;
1006
priv->sec_info.wpa_enabled = false;
1007
priv->sec_info.wpa2_enabled = false;
1010
memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
1011
priv->wpa_ie_len = 0;
1012
dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n",
1013
priv->wpa_ie_len, priv->wpa_ie[0]);
1014
priv->sec_info.wpa_enabled = false;
1015
priv->sec_info.wpa2_enabled = false;
1022
* IOCTL request handler to set/reset WAPI IE.
1024
* The supplied WAPI IE is treated as a opaque buffer. Only the first field
1025
* is checked to internally enable WAPI. If buffer length is zero, the existing
1028
static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
1029
u8 *ie_data_ptr, u16 ie_len)
1032
if (ie_len > sizeof(priv->wapi_ie)) {
1033
dev_dbg(priv->adapter->dev,
1034
"info: failed to copy WAPI IE, too big\n");
1037
memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
1038
priv->wapi_ie_len = ie_len;
1039
dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n",
1040
priv->wapi_ie_len, priv->wapi_ie[0]);
1042
if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
1043
priv->sec_info.wapi_enabled = true;
1045
memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
1046
priv->wapi_ie_len = ie_len;
1047
dev_dbg(priv->adapter->dev,
1048
"info: Reset wapi_ie_len=%d IE=%#x\n",
1049
priv->wapi_ie_len, priv->wapi_ie[0]);
1050
priv->sec_info.wapi_enabled = false;
1056
* IOCTL request handler to set WAPI key.
1058
* This function prepares the correct firmware command and
1061
static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
1062
struct mwifiex_ds_encrypt_key *encrypt_key)
1065
return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
1066
HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
1071
* IOCTL request handler to set WEP network key.
1073
* This function prepares the correct firmware command and
1074
* issues it, after validation checks.
1076
static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
1077
struct mwifiex_ds_encrypt_key *encrypt_key)
1080
struct mwifiex_wep_key *wep_key;
1083
if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
1084
priv->wep_key_curr_index = 0;
1085
wep_key = &priv->wep_key[priv->wep_key_curr_index];
1086
index = encrypt_key->key_index;
1087
if (encrypt_key->key_disable) {
1088
priv->sec_info.wep_status = MWIFIEX_802_11_WEP_DISABLED;
1089
} else if (!encrypt_key->key_len) {
1090
/* Copy the required key as the current key */
1091
wep_key = &priv->wep_key[index];
1092
if (!wep_key->key_length) {
1093
dev_err(priv->adapter->dev,
1094
"key not set, so cannot enable it\n");
1097
priv->wep_key_curr_index = (u16) index;
1098
priv->sec_info.wep_status = MWIFIEX_802_11_WEP_ENABLED;
1100
wep_key = &priv->wep_key[index];
1101
memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
1102
/* Copy the key in the driver */
1103
memcpy(wep_key->key_material,
1104
encrypt_key->key_material,
1105
encrypt_key->key_len);
1106
wep_key->key_index = index;
1107
wep_key->key_length = encrypt_key->key_len;
1108
priv->sec_info.wep_status = MWIFIEX_802_11_WEP_ENABLED;
1110
if (wep_key->key_length) {
1111
/* Send request to firmware */
1112
ret = mwifiex_send_cmd_async(priv,
1113
HostCmd_CMD_802_11_KEY_MATERIAL,
1114
HostCmd_ACT_GEN_SET, 0, NULL);
1118
if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_ENABLED)
1119
priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1121
priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1123
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1124
HostCmd_ACT_GEN_SET, 0,
1125
&priv->curr_pkt_filter);
1131
* IOCTL request handler to set WPA key.
1133
* This function prepares the correct firmware command and
1134
* issues it, after validation checks.
1136
* Current driver only supports key length of up to 32 bytes.
1138
* This function can also be used to disable a currently set key.
1140
static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
1141
struct mwifiex_ds_encrypt_key *encrypt_key)
1144
u8 remove_key = false;
1145
struct host_cmd_ds_802_11_key_material *ibss_key;
1147
/* Current driver only supports key length of up to 32 bytes */
1148
if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
1149
dev_err(priv->adapter->dev, "key length too long\n");
1153
if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1155
* IBSS/WPA-None uses only one key (Group) for both receiving
1156
* and sending unicast and multicast packets.
1158
/* Send the key as PTK to firmware */
1159
encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1160
ret = mwifiex_send_cmd_async(priv,
1161
HostCmd_CMD_802_11_KEY_MATERIAL,
1162
HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
1167
ibss_key = &priv->aes_key;
1169
sizeof(struct host_cmd_ds_802_11_key_material));
1170
/* Copy the key in the driver */
1171
memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
1172
encrypt_key->key_len);
1173
memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
1174
sizeof(ibss_key->key_param_set.key_len));
1175
ibss_key->key_param_set.key_type_id
1176
= cpu_to_le16(KEY_TYPE_ID_TKIP);
1177
ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
1179
/* Send the key as GTK to firmware */
1180
encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
1183
if (!encrypt_key->key_index)
1184
encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
1187
ret = mwifiex_send_cmd_sync(priv,
1188
HostCmd_CMD_802_11_KEY_MATERIAL,
1189
HostCmd_ACT_GEN_SET, !(KEY_INFO_ENABLED),
1192
ret = mwifiex_send_cmd_sync(priv,
1193
HostCmd_CMD_802_11_KEY_MATERIAL,
1194
HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
1201
* IOCTL request handler to set/get network keys.
1203
* This is a generic key handling function which supports WEP, WPA
1207
mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
1208
struct mwifiex_ds_encrypt_key *encrypt_key)
1212
if (encrypt_key->is_wapi_key)
1213
status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
1214
else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
1215
status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
1217
status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
1222
* This function returns the driver version.
1225
mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
1234
ver.l = adapter->fw_release_number;
1235
sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
1237
snprintf(version, max_len, driver_version, fw_ver);
1239
dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version);
1245
* Sends IOCTL request to get signal information.
1247
* This function allocates the IOCTL request buffer, fills it
1248
* with requisite parameters and calls the IOCTL handler.
1250
int mwifiex_get_signal_info(struct mwifiex_private *priv,
1251
struct mwifiex_ds_get_signal *signal)
1255
signal->selector = ALL_RSSI_INFO_MASK;
1257
/* Signal info can be obtained only if connected */
1258
if (!priv->media_connected) {
1259
dev_dbg(priv->adapter->dev,
1260
"info: Can not get signal in disconnected state\n");
1264
status = mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
1265
HostCmd_ACT_GEN_GET, 0, signal);
1268
if (signal->selector & BCN_RSSI_AVG_MASK)
1269
priv->w_stats.qual.level = signal->bcn_rssi_avg;
1270
if (signal->selector & BCN_NF_AVG_MASK)
1271
priv->w_stats.qual.noise = signal->bcn_nf_avg;
1278
* Sends IOCTL request to set encoding parameters.
1280
* This function allocates the IOCTL request buffer, fills it
1281
* with requisite parameters and calls the IOCTL handler.
1283
int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
1284
int key_len, u8 key_index, int disable)
1286
struct mwifiex_ds_encrypt_key encrypt_key;
1288
memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1289
encrypt_key.key_len = key_len;
1291
encrypt_key.key_index = key_index;
1293
memcpy(encrypt_key.key_material, key, key_len);
1295
encrypt_key.key_disable = true;
1298
return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1302
* Sends IOCTL request to get extended version.
1304
* This function allocates the IOCTL request buffer, fills it
1305
* with requisite parameters and calls the IOCTL handler.
1308
mwifiex_get_ver_ext(struct mwifiex_private *priv)
1310
struct mwifiex_ver_ext ver_ext;
1312
memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1313
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT,
1314
HostCmd_ACT_GEN_GET, 0, &ver_ext))
1321
* Sends IOCTL request to get statistics information.
1323
* This function allocates the IOCTL request buffer, fills it
1324
* with requisite parameters and calls the IOCTL handler.
1327
mwifiex_get_stats_info(struct mwifiex_private *priv,
1328
struct mwifiex_ds_get_stats *log)
1332
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
1333
HostCmd_ACT_GEN_GET, 0, log);
1336
priv->w_stats.discard.fragment = log->fcs_error;
1337
priv->w_stats.discard.retries = log->retry;
1338
priv->w_stats.discard.misc = log->ack_failure;
1345
* IOCTL request handler to read/write register.
1347
* This function prepares the correct firmware command and
1350
* Access to the following registers are supported -
1357
static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1358
struct mwifiex_ds_reg_rw *reg_rw,
1363
switch (le32_to_cpu(reg_rw->type)) {
1364
case MWIFIEX_REG_MAC:
1365
cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1367
case MWIFIEX_REG_BBP:
1368
cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1370
case MWIFIEX_REG_RF:
1371
cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1373
case MWIFIEX_REG_PMIC:
1374
cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1376
case MWIFIEX_REG_CAU:
1377
cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1383
return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw);
1388
* Sends IOCTL request to write to a register.
1390
* This function allocates the IOCTL request buffer, fills it
1391
* with requisite parameters and calls the IOCTL handler.
1394
mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1395
u32 reg_offset, u32 reg_value)
1397
struct mwifiex_ds_reg_rw reg_rw;
1399
reg_rw.type = cpu_to_le32(reg_type);
1400
reg_rw.offset = cpu_to_le32(reg_offset);
1401
reg_rw.value = cpu_to_le32(reg_value);
1403
return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1407
* Sends IOCTL request to read from a register.
1409
* This function allocates the IOCTL request buffer, fills it
1410
* with requisite parameters and calls the IOCTL handler.
1413
mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1414
u32 reg_offset, u32 *value)
1417
struct mwifiex_ds_reg_rw reg_rw;
1419
reg_rw.type = cpu_to_le32(reg_type);
1420
reg_rw.offset = cpu_to_le32(reg_offset);
1421
ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1426
*value = le32_to_cpu(reg_rw.value);
1433
* Sends IOCTL request to read from EEPROM.
1435
* This function allocates the IOCTL request buffer, fills it
1436
* with requisite parameters and calls the IOCTL handler.
1439
mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1443
struct mwifiex_ds_read_eeprom rd_eeprom;
1445
rd_eeprom.offset = cpu_to_le16((u16) offset);
1446
rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1448
/* Send request to firmware */
1449
ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1450
HostCmd_ACT_GEN_GET, 0, &rd_eeprom);
1453
memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1458
* This function sets a generic IE. In addition to generic IE, it can
1459
* also handle WPA, WPA2 and WAPI IEs.
1462
mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1466
struct ieee_types_vendor_header *pvendor_ie;
1467
const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1468
const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1470
/* If the passed length is zero, reset the buffer */
1472
priv->gen_ie_buf_len = 0;
1473
priv->wps.session_enable = false;
1476
} else if (!ie_data_ptr) {
1479
pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1480
/* Test to see if it is a WPA IE, if not, then it is a gen IE */
1481
if (((pvendor_ie->element_id == WLAN_EID_WPA)
1482
&& (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui))))
1483
|| (pvendor_ie->element_id == WLAN_EID_RSN)) {
1485
/* IE is a WPA/WPA2 IE so call set_wpa function */
1486
ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
1487
priv->wps.session_enable = false;
1490
} else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1491
/* IE is a WAPI IE so call set_wapi function */
1492
ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len);
1497
* Verify that the passed length is not larger than the
1498
* available space remaining in the buffer
1500
if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1502
/* Test to see if it is a WPS IE, if so, enable
1505
pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1506
if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC)
1507
&& (!memcmp(pvendor_ie->oui, wps_oui,
1508
sizeof(wps_oui)))) {
1509
priv->wps.session_enable = true;
1510
dev_dbg(priv->adapter->dev,
1511
"info: WPS Session Enabled.\n");
1514
/* Append the passed data to the end of the
1516
memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1518
/* Increment the stored buffer length by the
1520
priv->gen_ie_buf_len += ie_len;
1522
/* Passed data does not fit in the remaining
1527
/* Return 0, or -1 for error case */
1532
* IOCTL request handler to set/get generic IE.
1534
* In addition to various generic IEs, this function can also be
1535
* used to set the ARP filter.
1537
static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1538
struct mwifiex_ds_misc_gen_ie *gen_ie,
1541
struct mwifiex_adapter *adapter = priv->adapter;
1543
switch (gen_ie->type) {
1544
case MWIFIEX_IE_TYPE_GEN_IE:
1545
if (action == HostCmd_ACT_GEN_GET) {
1546
gen_ie->len = priv->wpa_ie_len;
1547
memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1549
mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1553
case MWIFIEX_IE_TYPE_ARP_FILTER:
1554
memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1555
if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1556
adapter->arp_filter_size = 0;
1557
dev_err(adapter->dev, "invalid ARP filter size\n");
1560
memcpy(adapter->arp_filter, gen_ie->ie_data,
1562
adapter->arp_filter_size = gen_ie->len;
1566
dev_err(adapter->dev, "invalid IE type\n");
1573
* Sends IOCTL request to set a generic IE.
1575
* This function allocates the IOCTL request buffer, fills it
1576
* with requisite parameters and calls the IOCTL handler.
1579
mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len)
1581
struct mwifiex_ds_misc_gen_ie gen_ie;
1583
if (ie_len > IW_CUSTOM_MAX)
1586
gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1587
gen_ie.len = ie_len;
1588
memcpy(gen_ie.ie_data, ie, ie_len);
1589
if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))
added
removed
drivers/net/wireless/mwifiex/sta_ioctl.c
