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.
29 static int disconnect_on_suspend
= 1;
30 module_param(disconnect_on_suspend
, int, 0644);
33 * Copies the multicast address list from device to driver.
35 * This function does not validate the destination memory for
36 * size, and the calling function must ensure enough memory is
39 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list
*mlist
,
40 struct net_device
*dev
)
43 struct netdev_hw_addr
*ha
;
45 netdev_for_each_mc_addr(ha
, dev
)
46 memcpy(&mlist
->mac_list
[i
++], ha
->addr
, ETH_ALEN
);
52 * Wait queue completion handler.
54 * This function waits on a cmd wait queue. It also cancels the pending
55 * request after waking up, in case of errors.
57 int mwifiex_wait_queue_complete(struct mwifiex_adapter
*adapter
)
60 struct cmd_ctrl_node
*cmd_queued
;
62 if (!adapter
->cmd_queued
)
65 cmd_queued
= adapter
->cmd_queued
;
66 adapter
->cmd_queued
= NULL
;
68 dev_dbg(adapter
->dev
, "cmd pending\n");
69 atomic_inc(&adapter
->cmd_pending
);
71 /* Wait for completion */
72 status
= wait_event_interruptible(adapter
->cmd_wait_q
.wait
,
73 *(cmd_queued
->condition
));
75 dev_err(adapter
->dev
, "cmd_wait_q terminated: %d\n", status
);
79 status
= adapter
->cmd_wait_q
.status
;
80 adapter
->cmd_wait_q
.status
= 0;
86 * This function prepares the correct firmware command and
87 * issues it to set the multicast list.
89 * This function can be used to enable promiscuous mode, or enable all
90 * multicast packets, or to enable selective multicast.
92 int mwifiex_request_set_multicast_list(struct mwifiex_private
*priv
,
93 struct mwifiex_multicast_list
*mcast_list
)
98 old_pkt_filter
= priv
->curr_pkt_filter
;
100 if (mcast_list
->mode
== MWIFIEX_PROMISC_MODE
) {
101 dev_dbg(priv
->adapter
->dev
, "info: Enable Promiscuous mode\n");
102 priv
->curr_pkt_filter
|= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE
;
103 priv
->curr_pkt_filter
&=
104 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE
;
107 priv
->curr_pkt_filter
&= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE
;
108 if (mcast_list
->mode
== MWIFIEX_MULTICAST_MODE
) {
109 dev_dbg(priv
->adapter
->dev
,
110 "info: Enabling All Multicast!\n");
111 priv
->curr_pkt_filter
|=
112 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE
;
114 priv
->curr_pkt_filter
&=
115 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE
;
116 if (mcast_list
->num_multicast_addr
) {
117 dev_dbg(priv
->adapter
->dev
,
118 "info: Set multicast list=%d\n",
119 mcast_list
->num_multicast_addr
);
120 /* Set multicast addresses to firmware */
121 if (old_pkt_filter
== priv
->curr_pkt_filter
) {
122 /* Send request to firmware */
123 ret
= mwifiex_send_cmd_async(priv
,
124 HostCmd_CMD_MAC_MULTICAST_ADR
,
125 HostCmd_ACT_GEN_SET
, 0,
128 /* Send request to firmware */
129 ret
= mwifiex_send_cmd_async(priv
,
130 HostCmd_CMD_MAC_MULTICAST_ADR
,
131 HostCmd_ACT_GEN_SET
, 0,
137 dev_dbg(priv
->adapter
->dev
,
138 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
139 old_pkt_filter
, priv
->curr_pkt_filter
);
140 if (old_pkt_filter
!= priv
->curr_pkt_filter
) {
141 ret
= mwifiex_send_cmd_async(priv
, HostCmd_CMD_MAC_CONTROL
,
143 0, &priv
->curr_pkt_filter
);
150 * This function fills bss descriptor structure using provided
153 int mwifiex_fill_new_bss_desc(struct mwifiex_private
*priv
,
154 struct cfg80211_bss
*bss
,
155 struct mwifiex_bssdescriptor
*bss_desc
)
159 size_t beacon_ie_len
;
160 struct mwifiex_bss_priv
*bss_priv
= (void *)bss
->priv
;
161 const struct cfg80211_bss_ies
*ies
;
164 ies
= rcu_dereference(bss
->ies
);
166 /* should never happen */
170 beacon_ie
= kmemdup(ies
->data
, ies
->len
, GFP_ATOMIC
);
171 beacon_ie_len
= ies
->len
;
175 dev_err(priv
->adapter
->dev
, " failed to alloc beacon_ie\n");
179 memcpy(bss_desc
->mac_address
, bss
->bssid
, ETH_ALEN
);
180 bss_desc
->rssi
= bss
->signal
;
181 bss_desc
->beacon_buf
= beacon_ie
;
182 bss_desc
->beacon_buf_size
= beacon_ie_len
;
183 bss_desc
->beacon_period
= bss
->beacon_interval
;
184 bss_desc
->cap_info_bitmap
= bss
->capability
;
185 bss_desc
->bss_band
= bss_priv
->band
;
186 bss_desc
->fw_tsf
= bss_priv
->fw_tsf
;
187 bss_desc
->timestamp
= bss
->tsf
;
188 if (bss_desc
->cap_info_bitmap
& WLAN_CAPABILITY_PRIVACY
) {
189 dev_dbg(priv
->adapter
->dev
, "info: InterpretIE: AP WEP enabled\n");
190 bss_desc
->privacy
= MWIFIEX_802_11_PRIV_FILTER_8021X_WEP
;
192 bss_desc
->privacy
= MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL
;
194 if (bss_desc
->cap_info_bitmap
& WLAN_CAPABILITY_IBSS
)
195 bss_desc
->bss_mode
= NL80211_IFTYPE_ADHOC
;
197 bss_desc
->bss_mode
= NL80211_IFTYPE_STATION
;
199 ret
= mwifiex_update_bss_desc_with_ie(priv
->adapter
, bss_desc
);
205 static int mwifiex_process_country_ie(struct mwifiex_private
*priv
,
206 struct cfg80211_bss
*bss
)
208 const u8
*country_ie
;
210 struct mwifiex_802_11d_domain_reg
*domain_info
=
211 &priv
->adapter
->domain_reg
;
214 country_ie
= ieee80211_bss_get_ie(bss
, WLAN_EID_COUNTRY
);
220 country_ie_len
= country_ie
[1];
221 if (country_ie_len
< IEEE80211_COUNTRY_IE_MIN_LEN
) {
226 domain_info
->country_code
[0] = country_ie
[2];
227 domain_info
->country_code
[1] = country_ie
[3];
228 domain_info
->country_code
[2] = ' ';
230 country_ie_len
-= IEEE80211_COUNTRY_STRING_LEN
;
232 domain_info
->no_of_triplet
=
233 country_ie_len
/ sizeof(struct ieee80211_country_ie_triplet
);
235 memcpy((u8
*)domain_info
->triplet
,
236 &country_ie
[2] + IEEE80211_COUNTRY_STRING_LEN
, country_ie_len
);
240 if (mwifiex_send_cmd_async(priv
, HostCmd_CMD_802_11D_DOMAIN_INFO
,
241 HostCmd_ACT_GEN_SET
, 0, NULL
)) {
242 wiphy_err(priv
->adapter
->wiphy
,
243 "11D: setting domain info in FW\n");
251 * In Ad-Hoc mode, the IBSS is created if not found in scan list.
252 * In both Ad-Hoc and infra mode, an deauthentication is performed
255 int mwifiex_bss_start(struct mwifiex_private
*priv
, struct cfg80211_bss
*bss
,
256 struct cfg80211_ssid
*req_ssid
)
259 struct mwifiex_adapter
*adapter
= priv
->adapter
;
260 struct mwifiex_bssdescriptor
*bss_desc
= NULL
;
262 priv
->scan_block
= false;
265 mwifiex_process_country_ie(priv
, bss
);
267 /* Allocate and fill new bss descriptor */
268 bss_desc
= kzalloc(sizeof(struct mwifiex_bssdescriptor
),
271 dev_err(priv
->adapter
->dev
, " failed to alloc bss_desc\n");
275 ret
= mwifiex_fill_new_bss_desc(priv
, bss
, bss_desc
);
280 if (priv
->bss_mode
== NL80211_IFTYPE_STATION
) {
282 ret
= mwifiex_deauthenticate(priv
, NULL
);
289 if (mwifiex_band_to_radio_type((u8
) bss_desc
->bss_band
)
290 == HostCmd_SCAN_RADIO_TYPE_BG
)
291 config_bands
= BAND_B
| BAND_G
| BAND_GN
;
293 config_bands
= BAND_A
| BAND_AN
;
295 if (!((config_bands
| adapter
->fw_bands
) &
297 adapter
->config_bands
= config_bands
;
300 ret
= mwifiex_check_network_compatibility(priv
, bss_desc
);
304 dev_dbg(adapter
->dev
, "info: SSID found in scan list ... "
307 mwifiex_stop_net_dev_queue(priv
->netdev
, adapter
);
308 if (netif_carrier_ok(priv
->netdev
))
309 netif_carrier_off(priv
->netdev
);
311 /* Clear any past association response stored for
312 * application retrieval */
313 priv
->assoc_rsp_size
= 0;
314 ret
= mwifiex_associate(priv
, bss_desc
);
316 /* If auth type is auto and association fails using open mode,
317 * try to connect using shared mode */
318 if (ret
== WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG
&&
319 priv
->sec_info
.is_authtype_auto
&&
320 priv
->sec_info
.wep_enabled
) {
321 priv
->sec_info
.authentication_mode
=
322 NL80211_AUTHTYPE_SHARED_KEY
;
323 ret
= mwifiex_associate(priv
, bss_desc
);
327 cfg80211_put_bss(priv
->adapter
->wiphy
, bss
);
330 /* If the requested SSID matches current SSID, return */
331 if (bss_desc
&& bss_desc
->ssid
.ssid_len
&&
332 (!mwifiex_ssid_cmp(&priv
->curr_bss_params
.bss_descriptor
.
333 ssid
, &bss_desc
->ssid
))) {
338 /* Exit Adhoc mode first */
339 dev_dbg(adapter
->dev
, "info: Sending Adhoc Stop\n");
340 ret
= mwifiex_deauthenticate(priv
, NULL
);
344 priv
->adhoc_is_link_sensed
= false;
346 ret
= mwifiex_check_network_compatibility(priv
, bss_desc
);
348 mwifiex_stop_net_dev_queue(priv
->netdev
, adapter
);
349 if (netif_carrier_ok(priv
->netdev
))
350 netif_carrier_off(priv
->netdev
);
353 dev_dbg(adapter
->dev
, "info: network found in scan"
354 " list. Joining...\n");
355 ret
= mwifiex_adhoc_join(priv
, bss_desc
);
357 cfg80211_put_bss(priv
->adapter
->wiphy
, bss
);
359 dev_dbg(adapter
->dev
, "info: Network not found in "
360 "the list, creating adhoc with ssid = %s\n",
362 ret
= mwifiex_adhoc_start(priv
, req_ssid
);
372 * IOCTL request handler to set host sleep configuration.
374 * This function prepares the correct firmware command and
377 static int mwifiex_set_hs_params(struct mwifiex_private
*priv
, u16 action
,
378 int cmd_type
, struct mwifiex_ds_hs_cfg
*hs_cfg
)
381 struct mwifiex_adapter
*adapter
= priv
->adapter
;
389 case HostCmd_ACT_GEN_SET
:
390 if (adapter
->pps_uapsd_mode
) {
391 dev_dbg(adapter
->dev
, "info: Host Sleep IOCTL"
392 " is blocked in UAPSD/PPS mode\n");
396 if (hs_cfg
->is_invoke_hostcmd
) {
397 if (hs_cfg
->conditions
== HOST_SLEEP_CFG_CANCEL
) {
398 if (!adapter
->is_hs_configured
)
399 /* Already cancelled */
401 /* Save previous condition */
402 prev_cond
= le32_to_cpu(adapter
->hs_cfg
404 adapter
->hs_cfg
.conditions
=
405 cpu_to_le32(hs_cfg
->conditions
);
406 } else if (hs_cfg
->conditions
) {
407 adapter
->hs_cfg
.conditions
=
408 cpu_to_le32(hs_cfg
->conditions
);
409 adapter
->hs_cfg
.gpio
= (u8
)hs_cfg
->gpio
;
411 adapter
->hs_cfg
.gap
= (u8
)hs_cfg
->gap
;
412 } else if (adapter
->hs_cfg
.conditions
413 == cpu_to_le32(HOST_SLEEP_CFG_CANCEL
)) {
414 /* Return failure if no parameters for HS
419 if (cmd_type
== MWIFIEX_SYNC_CMD
)
420 status
= mwifiex_send_cmd_sync(priv
,
421 HostCmd_CMD_802_11_HS_CFG_ENH
,
422 HostCmd_ACT_GEN_SET
, 0,
425 status
= mwifiex_send_cmd_async(priv
,
426 HostCmd_CMD_802_11_HS_CFG_ENH
,
427 HostCmd_ACT_GEN_SET
, 0,
429 if (hs_cfg
->conditions
== HOST_SLEEP_CFG_CANCEL
)
430 /* Restore previous condition */
431 adapter
->hs_cfg
.conditions
=
432 cpu_to_le32(prev_cond
);
434 adapter
->hs_cfg
.conditions
=
435 cpu_to_le32(hs_cfg
->conditions
);
436 adapter
->hs_cfg
.gpio
= (u8
)hs_cfg
->gpio
;
437 adapter
->hs_cfg
.gap
= (u8
)hs_cfg
->gap
;
440 case HostCmd_ACT_GEN_GET
:
441 hs_cfg
->conditions
= le32_to_cpu(adapter
->hs_cfg
.conditions
);
442 hs_cfg
->gpio
= adapter
->hs_cfg
.gpio
;
443 hs_cfg
->gap
= adapter
->hs_cfg
.gap
;
454 * Sends IOCTL request to cancel the existing Host Sleep configuration.
456 * This function allocates the IOCTL request buffer, fills it
457 * with requisite parameters and calls the IOCTL handler.
459 int mwifiex_cancel_hs(struct mwifiex_private
*priv
, int cmd_type
)
461 struct mwifiex_ds_hs_cfg hscfg
;
463 hscfg
.conditions
= HOST_SLEEP_CFG_CANCEL
;
464 hscfg
.is_invoke_hostcmd
= true;
466 return mwifiex_set_hs_params(priv
, HostCmd_ACT_GEN_SET
,
469 EXPORT_SYMBOL_GPL(mwifiex_cancel_hs
);
472 * Sends IOCTL request to cancel the existing Host Sleep configuration.
474 * This function allocates the IOCTL request buffer, fills it
475 * with requisite parameters and calls the IOCTL handler.
477 int mwifiex_enable_hs(struct mwifiex_adapter
*adapter
)
479 struct mwifiex_ds_hs_cfg hscfg
;
480 struct mwifiex_private
*priv
;
483 if (disconnect_on_suspend
) {
484 for (i
= 0; i
< adapter
->priv_num
; i
++) {
485 priv
= adapter
->priv
[i
];
487 mwifiex_deauthenticate(priv
, NULL
);
491 if (adapter
->hs_activated
) {
492 dev_dbg(adapter
->dev
, "cmd: HS Already activated\n");
496 adapter
->hs_activate_wait_q_woken
= false;
498 memset(&hscfg
, 0, sizeof(struct mwifiex_ds_hs_cfg
));
499 hscfg
.is_invoke_hostcmd
= true;
501 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter
,
502 MWIFIEX_BSS_ROLE_STA
),
503 HostCmd_ACT_GEN_SET
, MWIFIEX_SYNC_CMD
,
505 dev_err(adapter
->dev
, "IOCTL request HS enable failed\n");
509 if (wait_event_interruptible(adapter
->hs_activate_wait_q
,
510 adapter
->hs_activate_wait_q_woken
)) {
511 dev_err(adapter
->dev
, "hs_activate_wait_q terminated\n");
517 EXPORT_SYMBOL_GPL(mwifiex_enable_hs
);
520 * IOCTL request handler to get BSS information.
522 * This function collates the information from different driver structures
523 * to send to the user.
525 int mwifiex_get_bss_info(struct mwifiex_private
*priv
,
526 struct mwifiex_bss_info
*info
)
528 struct mwifiex_adapter
*adapter
= priv
->adapter
;
529 struct mwifiex_bssdescriptor
*bss_desc
;
534 bss_desc
= &priv
->curr_bss_params
.bss_descriptor
;
536 info
->bss_mode
= priv
->bss_mode
;
538 memcpy(&info
->ssid
, &bss_desc
->ssid
, sizeof(struct cfg80211_ssid
));
540 memcpy(&info
->bssid
, &bss_desc
->mac_address
, ETH_ALEN
);
542 info
->bss_chan
= bss_desc
->channel
;
544 memcpy(info
->country_code
, adapter
->country_code
,
545 IEEE80211_COUNTRY_STRING_LEN
);
547 info
->media_connected
= priv
->media_connected
;
549 info
->max_power_level
= priv
->max_tx_power_level
;
550 info
->min_power_level
= priv
->min_tx_power_level
;
552 info
->adhoc_state
= priv
->adhoc_state
;
554 info
->bcn_nf_last
= priv
->bcn_nf_last
;
556 if (priv
->sec_info
.wep_enabled
)
557 info
->wep_status
= true;
559 info
->wep_status
= false;
561 info
->is_hs_configured
= adapter
->is_hs_configured
;
562 info
->is_deep_sleep
= adapter
->is_deep_sleep
;
568 * The function disables auto deep sleep mode.
570 int mwifiex_disable_auto_ds(struct mwifiex_private
*priv
)
572 struct mwifiex_ds_auto_ds auto_ds
;
574 auto_ds
.auto_ds
= DEEP_SLEEP_OFF
;
576 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_PS_MODE_ENH
,
577 DIS_AUTO_PS
, BITMAP_AUTO_DS
, &auto_ds
);
579 EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds
);
582 * Sends IOCTL request to get the data rate.
584 * This function allocates the IOCTL request buffer, fills it
585 * with requisite parameters and calls the IOCTL handler.
587 int mwifiex_drv_get_data_rate(struct mwifiex_private
*priv
, u32
*rate
)
591 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_TX_RATE_QUERY
,
592 HostCmd_ACT_GEN_GET
, 0, NULL
);
595 if (priv
->is_data_rate_auto
)
596 *rate
= mwifiex_index_to_data_rate(priv
, priv
->tx_rate
,
599 *rate
= priv
->data_rate
;
606 * IOCTL request handler to set tx power configuration.
608 * This function prepares the correct firmware command and
611 * For non-auto power mode, all the following power groups are set -
612 * - Modulation class HR/DSSS
613 * - Modulation class OFDM
614 * - Modulation class HTBW20
615 * - Modulation class HTBW40
617 int mwifiex_set_tx_power(struct mwifiex_private
*priv
,
618 struct mwifiex_power_cfg
*power_cfg
)
621 struct host_cmd_ds_txpwr_cfg
*txp_cfg
;
622 struct mwifiex_types_power_group
*pg_tlv
;
623 struct mwifiex_power_group
*pg
;
627 if (!power_cfg
->is_power_auto
) {
628 dbm
= (u16
) power_cfg
->power_level
;
629 if ((dbm
< priv
->min_tx_power_level
) ||
630 (dbm
> priv
->max_tx_power_level
)) {
631 dev_err(priv
->adapter
->dev
, "txpower value %d dBm"
632 " is out of range (%d dBm-%d dBm)\n",
633 dbm
, priv
->min_tx_power_level
,
634 priv
->max_tx_power_level
);
638 buf
= kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER
, GFP_KERNEL
);
640 dev_err(priv
->adapter
->dev
, "%s: failed to alloc cmd buffer\n",
645 txp_cfg
= (struct host_cmd_ds_txpwr_cfg
*) buf
;
646 txp_cfg
->action
= cpu_to_le16(HostCmd_ACT_GEN_SET
);
647 if (!power_cfg
->is_power_auto
) {
648 txp_cfg
->mode
= cpu_to_le32(1);
649 pg_tlv
= (struct mwifiex_types_power_group
*)
650 (buf
+ sizeof(struct host_cmd_ds_txpwr_cfg
));
651 pg_tlv
->type
= TLV_TYPE_POWER_GROUP
;
652 pg_tlv
->length
= 4 * sizeof(struct mwifiex_power_group
);
653 pg
= (struct mwifiex_power_group
*)
654 (buf
+ sizeof(struct host_cmd_ds_txpwr_cfg
)
655 + sizeof(struct mwifiex_types_power_group
));
656 /* Power group for modulation class HR/DSSS */
657 pg
->first_rate_code
= 0x00;
658 pg
->last_rate_code
= 0x03;
659 pg
->modulation_class
= MOD_CLASS_HR_DSSS
;
661 pg
->power_min
= (s8
) dbm
;
662 pg
->power_max
= (s8
) dbm
;
664 /* Power group for modulation class OFDM */
665 pg
->first_rate_code
= 0x00;
666 pg
->last_rate_code
= 0x07;
667 pg
->modulation_class
= MOD_CLASS_OFDM
;
669 pg
->power_min
= (s8
) dbm
;
670 pg
->power_max
= (s8
) dbm
;
672 /* Power group for modulation class HTBW20 */
673 pg
->first_rate_code
= 0x00;
674 pg
->last_rate_code
= 0x20;
675 pg
->modulation_class
= MOD_CLASS_HT
;
677 pg
->power_min
= (s8
) dbm
;
678 pg
->power_max
= (s8
) dbm
;
679 pg
->ht_bandwidth
= HT_BW_20
;
681 /* Power group for modulation class HTBW40 */
682 pg
->first_rate_code
= 0x00;
683 pg
->last_rate_code
= 0x20;
684 pg
->modulation_class
= MOD_CLASS_HT
;
686 pg
->power_min
= (s8
) dbm
;
687 pg
->power_max
= (s8
) dbm
;
688 pg
->ht_bandwidth
= HT_BW_40
;
690 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_TXPWR_CFG
,
691 HostCmd_ACT_GEN_SET
, 0, buf
);
698 * IOCTL request handler to get power save mode.
700 * This function prepares the correct firmware command and
703 int mwifiex_drv_set_power(struct mwifiex_private
*priv
, u32
*ps_mode
)
706 struct mwifiex_adapter
*adapter
= priv
->adapter
;
710 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_PSP
;
712 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_CAM
;
713 sub_cmd
= (*ps_mode
) ? EN_AUTO_PS
: DIS_AUTO_PS
;
714 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_PS_MODE_ENH
,
715 sub_cmd
, BITMAP_STA_PS
, NULL
);
716 if ((!ret
) && (sub_cmd
== DIS_AUTO_PS
))
717 ret
= mwifiex_send_cmd_async(priv
,
718 HostCmd_CMD_802_11_PS_MODE_ENH
,
725 * IOCTL request handler to set/reset WPA IE.
727 * The supplied WPA IE is treated as a opaque buffer. Only the first field
728 * is checked to determine WPA version. If buffer length is zero, the existing
731 static int mwifiex_set_wpa_ie_helper(struct mwifiex_private
*priv
,
732 u8
*ie_data_ptr
, u16 ie_len
)
735 if (ie_len
> sizeof(priv
->wpa_ie
)) {
736 dev_err(priv
->adapter
->dev
,
737 "failed to copy WPA IE, too big\n");
740 memcpy(priv
->wpa_ie
, ie_data_ptr
, ie_len
);
741 priv
->wpa_ie_len
= (u8
) ie_len
;
742 dev_dbg(priv
->adapter
->dev
, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
743 priv
->wpa_ie_len
, priv
->wpa_ie
[0]);
745 if (priv
->wpa_ie
[0] == WLAN_EID_VENDOR_SPECIFIC
) {
746 priv
->sec_info
.wpa_enabled
= true;
747 } else if (priv
->wpa_ie
[0] == WLAN_EID_RSN
) {
748 priv
->sec_info
.wpa2_enabled
= true;
750 priv
->sec_info
.wpa_enabled
= false;
751 priv
->sec_info
.wpa2_enabled
= false;
754 memset(priv
->wpa_ie
, 0, sizeof(priv
->wpa_ie
));
755 priv
->wpa_ie_len
= 0;
756 dev_dbg(priv
->adapter
->dev
, "info: reset wpa_ie_len=%d IE=%#x\n",
757 priv
->wpa_ie_len
, priv
->wpa_ie
[0]);
758 priv
->sec_info
.wpa_enabled
= false;
759 priv
->sec_info
.wpa2_enabled
= false;
766 * IOCTL request handler to set/reset WAPI IE.
768 * The supplied WAPI IE is treated as a opaque buffer. Only the first field
769 * is checked to internally enable WAPI. If buffer length is zero, the existing
772 static int mwifiex_set_wapi_ie(struct mwifiex_private
*priv
,
773 u8
*ie_data_ptr
, u16 ie_len
)
776 if (ie_len
> sizeof(priv
->wapi_ie
)) {
777 dev_dbg(priv
->adapter
->dev
,
778 "info: failed to copy WAPI IE, too big\n");
781 memcpy(priv
->wapi_ie
, ie_data_ptr
, ie_len
);
782 priv
->wapi_ie_len
= ie_len
;
783 dev_dbg(priv
->adapter
->dev
, "cmd: Set wapi_ie_len=%d IE=%#x\n",
784 priv
->wapi_ie_len
, priv
->wapi_ie
[0]);
786 if (priv
->wapi_ie
[0] == WLAN_EID_BSS_AC_ACCESS_DELAY
)
787 priv
->sec_info
.wapi_enabled
= true;
789 memset(priv
->wapi_ie
, 0, sizeof(priv
->wapi_ie
));
790 priv
->wapi_ie_len
= ie_len
;
791 dev_dbg(priv
->adapter
->dev
,
792 "info: Reset wapi_ie_len=%d IE=%#x\n",
793 priv
->wapi_ie_len
, priv
->wapi_ie
[0]);
794 priv
->sec_info
.wapi_enabled
= false;
800 * IOCTL request handler to set/reset WPS IE.
802 * The supplied WPS IE is treated as a opaque buffer. Only the first field
803 * is checked to internally enable WPS. If buffer length is zero, the existing
806 static int mwifiex_set_wps_ie(struct mwifiex_private
*priv
,
807 u8
*ie_data_ptr
, u16 ie_len
)
810 priv
->wps_ie
= kzalloc(MWIFIEX_MAX_VSIE_LEN
, GFP_KERNEL
);
813 if (ie_len
> sizeof(priv
->wps_ie
)) {
814 dev_dbg(priv
->adapter
->dev
,
815 "info: failed to copy WPS IE, too big\n");
819 memcpy(priv
->wps_ie
, ie_data_ptr
, ie_len
);
820 priv
->wps_ie_len
= ie_len
;
821 dev_dbg(priv
->adapter
->dev
, "cmd: Set wps_ie_len=%d IE=%#x\n",
822 priv
->wps_ie_len
, priv
->wps_ie
[0]);
825 priv
->wps_ie_len
= ie_len
;
826 dev_dbg(priv
->adapter
->dev
,
827 "info: Reset wps_ie_len=%d\n", priv
->wps_ie_len
);
833 * IOCTL request handler to set WAPI key.
835 * This function prepares the correct firmware command and
838 static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private
*priv
,
839 struct mwifiex_ds_encrypt_key
*encrypt_key
)
842 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_KEY_MATERIAL
,
843 HostCmd_ACT_GEN_SET
, KEY_INFO_ENABLED
,
848 * IOCTL request handler to set WEP network key.
850 * This function prepares the correct firmware command and
851 * issues it, after validation checks.
853 static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private
*priv
,
854 struct mwifiex_ds_encrypt_key
*encrypt_key
)
857 struct mwifiex_wep_key
*wep_key
;
860 if (priv
->wep_key_curr_index
>= NUM_WEP_KEYS
)
861 priv
->wep_key_curr_index
= 0;
862 wep_key
= &priv
->wep_key
[priv
->wep_key_curr_index
];
863 index
= encrypt_key
->key_index
;
864 if (encrypt_key
->key_disable
) {
865 priv
->sec_info
.wep_enabled
= 0;
866 } else if (!encrypt_key
->key_len
) {
867 /* Copy the required key as the current key */
868 wep_key
= &priv
->wep_key
[index
];
869 if (!wep_key
->key_length
) {
870 dev_err(priv
->adapter
->dev
,
871 "key not set, so cannot enable it\n");
874 priv
->wep_key_curr_index
= (u16
) index
;
875 priv
->sec_info
.wep_enabled
= 1;
877 wep_key
= &priv
->wep_key
[index
];
878 memset(wep_key
, 0, sizeof(struct mwifiex_wep_key
));
879 /* Copy the key in the driver */
880 memcpy(wep_key
->key_material
,
881 encrypt_key
->key_material
,
882 encrypt_key
->key_len
);
883 wep_key
->key_index
= index
;
884 wep_key
->key_length
= encrypt_key
->key_len
;
885 priv
->sec_info
.wep_enabled
= 1;
887 if (wep_key
->key_length
) {
888 /* Send request to firmware */
889 ret
= mwifiex_send_cmd_async(priv
,
890 HostCmd_CMD_802_11_KEY_MATERIAL
,
891 HostCmd_ACT_GEN_SET
, 0, NULL
);
895 if (priv
->sec_info
.wep_enabled
)
896 priv
->curr_pkt_filter
|= HostCmd_ACT_MAC_WEP_ENABLE
;
898 priv
->curr_pkt_filter
&= ~HostCmd_ACT_MAC_WEP_ENABLE
;
900 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_MAC_CONTROL
,
901 HostCmd_ACT_GEN_SET
, 0,
902 &priv
->curr_pkt_filter
);
908 * IOCTL request handler to set WPA key.
910 * This function prepares the correct firmware command and
911 * issues it, after validation checks.
913 * Current driver only supports key length of up to 32 bytes.
915 * This function can also be used to disable a currently set key.
917 static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private
*priv
,
918 struct mwifiex_ds_encrypt_key
*encrypt_key
)
921 u8 remove_key
= false;
922 struct host_cmd_ds_802_11_key_material
*ibss_key
;
924 /* Current driver only supports key length of up to 32 bytes */
925 if (encrypt_key
->key_len
> WLAN_MAX_KEY_LEN
) {
926 dev_err(priv
->adapter
->dev
, "key length too long\n");
930 if (priv
->bss_mode
== NL80211_IFTYPE_ADHOC
) {
932 * IBSS/WPA-None uses only one key (Group) for both receiving
933 * and sending unicast and multicast packets.
935 /* Send the key as PTK to firmware */
936 encrypt_key
->key_index
= MWIFIEX_KEY_INDEX_UNICAST
;
937 ret
= mwifiex_send_cmd_async(priv
,
938 HostCmd_CMD_802_11_KEY_MATERIAL
,
940 KEY_INFO_ENABLED
, encrypt_key
);
944 ibss_key
= &priv
->aes_key
;
946 sizeof(struct host_cmd_ds_802_11_key_material
));
947 /* Copy the key in the driver */
948 memcpy(ibss_key
->key_param_set
.key
, encrypt_key
->key_material
,
949 encrypt_key
->key_len
);
950 memcpy(&ibss_key
->key_param_set
.key_len
, &encrypt_key
->key_len
,
951 sizeof(ibss_key
->key_param_set
.key_len
));
952 ibss_key
->key_param_set
.key_type_id
953 = cpu_to_le16(KEY_TYPE_ID_TKIP
);
954 ibss_key
->key_param_set
.key_info
= cpu_to_le16(KEY_ENABLED
);
956 /* Send the key as GTK to firmware */
957 encrypt_key
->key_index
= ~MWIFIEX_KEY_INDEX_UNICAST
;
960 if (!encrypt_key
->key_index
)
961 encrypt_key
->key_index
= MWIFIEX_KEY_INDEX_UNICAST
;
964 ret
= mwifiex_send_cmd_sync(priv
,
965 HostCmd_CMD_802_11_KEY_MATERIAL
,
967 !KEY_INFO_ENABLED
, encrypt_key
);
969 ret
= mwifiex_send_cmd_sync(priv
,
970 HostCmd_CMD_802_11_KEY_MATERIAL
,
972 KEY_INFO_ENABLED
, encrypt_key
);
978 * IOCTL request handler to set/get network keys.
980 * This is a generic key handling function which supports WEP, WPA
984 mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private
*priv
,
985 struct mwifiex_ds_encrypt_key
*encrypt_key
)
989 if (encrypt_key
->is_wapi_key
)
990 status
= mwifiex_sec_ioctl_set_wapi_key(priv
, encrypt_key
);
991 else if (encrypt_key
->key_len
> WLAN_KEY_LEN_WEP104
)
992 status
= mwifiex_sec_ioctl_set_wpa_key(priv
, encrypt_key
);
994 status
= mwifiex_sec_ioctl_set_wep_key(priv
, encrypt_key
);
999 * This function returns the driver version.
1002 mwifiex_drv_get_driver_version(struct mwifiex_adapter
*adapter
, char *version
,
1011 ver
.l
= adapter
->fw_release_number
;
1012 sprintf(fw_ver
, "%u.%u.%u.p%u", ver
.c
[2], ver
.c
[1], ver
.c
[0], ver
.c
[3]);
1014 snprintf(version
, max_len
, driver_version
, fw_ver
);
1016 dev_dbg(adapter
->dev
, "info: MWIFIEX VERSION: %s\n", version
);
1022 * Sends IOCTL request to set encoding parameters.
1024 * This function allocates the IOCTL request buffer, fills it
1025 * with requisite parameters and calls the IOCTL handler.
1027 int mwifiex_set_encode(struct mwifiex_private
*priv
, struct key_params
*kp
,
1028 const u8
*key
, int key_len
, u8 key_index
,
1029 const u8
*mac_addr
, int disable
)
1031 struct mwifiex_ds_encrypt_key encrypt_key
;
1033 memset(&encrypt_key
, 0, sizeof(struct mwifiex_ds_encrypt_key
));
1034 encrypt_key
.key_len
= key_len
;
1036 if (kp
&& kp
->cipher
== WLAN_CIPHER_SUITE_AES_CMAC
)
1037 encrypt_key
.is_igtk_key
= true;
1040 encrypt_key
.key_index
= key_index
;
1042 memcpy(encrypt_key
.key_material
, key
, key_len
);
1044 memcpy(encrypt_key
.mac_addr
, mac_addr
, ETH_ALEN
);
1045 if (kp
&& kp
->seq
&& kp
->seq_len
)
1046 memcpy(encrypt_key
.pn
, kp
->seq
, kp
->seq_len
);
1048 encrypt_key
.key_disable
= true;
1050 memcpy(encrypt_key
.mac_addr
, mac_addr
, ETH_ALEN
);
1053 return mwifiex_sec_ioctl_encrypt_key(priv
, &encrypt_key
);
1057 * Sends IOCTL request to get extended version.
1059 * This function allocates the IOCTL request buffer, fills it
1060 * with requisite parameters and calls the IOCTL handler.
1063 mwifiex_get_ver_ext(struct mwifiex_private
*priv
)
1065 struct mwifiex_ver_ext ver_ext
;
1067 memset(&ver_ext
, 0, sizeof(struct host_cmd_ds_version_ext
));
1068 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_VERSION_EXT
,
1069 HostCmd_ACT_GEN_GET
, 0, &ver_ext
))
1076 mwifiex_remain_on_chan_cfg(struct mwifiex_private
*priv
, u16 action
,
1077 struct ieee80211_channel
*chan
,
1078 unsigned int duration
)
1080 struct host_cmd_ds_remain_on_chan roc_cfg
;
1083 memset(&roc_cfg
, 0, sizeof(roc_cfg
));
1084 roc_cfg
.action
= cpu_to_le16(action
);
1085 if (action
== HostCmd_ACT_GEN_SET
) {
1086 roc_cfg
.band_cfg
= chan
->band
;
1087 sc
= mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT
);
1088 roc_cfg
.band_cfg
|= (sc
<< 2);
1091 ieee80211_frequency_to_channel(chan
->center_freq
);
1092 roc_cfg
.duration
= cpu_to_le32(duration
);
1094 if (mwifiex_send_cmd_sync(priv
, HostCmd_CMD_REMAIN_ON_CHAN
,
1095 action
, 0, &roc_cfg
)) {
1096 dev_err(priv
->adapter
->dev
, "failed to remain on channel\n");
1100 return roc_cfg
.status
;
1104 mwifiex_set_bss_role(struct mwifiex_private
*priv
, u8 bss_role
)
1106 if (GET_BSS_ROLE(priv
) == bss_role
) {
1107 dev_dbg(priv
->adapter
->dev
,
1108 "info: already in the desired role.\n");
1112 mwifiex_free_priv(priv
);
1113 mwifiex_init_priv(priv
);
1115 priv
->bss_role
= bss_role
;
1117 case MWIFIEX_BSS_ROLE_UAP
:
1118 priv
->bss_mode
= NL80211_IFTYPE_AP
;
1120 case MWIFIEX_BSS_ROLE_STA
:
1121 case MWIFIEX_BSS_ROLE_ANY
:
1123 priv
->bss_mode
= NL80211_IFTYPE_STATION
;
1127 mwifiex_send_cmd_sync(priv
, HostCmd_CMD_SET_BSS_MODE
,
1128 HostCmd_ACT_GEN_SET
, 0, NULL
);
1130 return mwifiex_sta_init_cmd(priv
, false);
1134 * Sends IOCTL request to get statistics information.
1136 * This function allocates the IOCTL request buffer, fills it
1137 * with requisite parameters and calls the IOCTL handler.
1140 mwifiex_get_stats_info(struct mwifiex_private
*priv
,
1141 struct mwifiex_ds_get_stats
*log
)
1143 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_GET_LOG
,
1144 HostCmd_ACT_GEN_GET
, 0, log
);
1148 * IOCTL request handler to read/write register.
1150 * This function prepares the correct firmware command and
1153 * Access to the following registers are supported -
1160 static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private
*priv
,
1161 struct mwifiex_ds_reg_rw
*reg_rw
,
1166 switch (le32_to_cpu(reg_rw
->type
)) {
1167 case MWIFIEX_REG_MAC
:
1168 cmd_no
= HostCmd_CMD_MAC_REG_ACCESS
;
1170 case MWIFIEX_REG_BBP
:
1171 cmd_no
= HostCmd_CMD_BBP_REG_ACCESS
;
1173 case MWIFIEX_REG_RF
:
1174 cmd_no
= HostCmd_CMD_RF_REG_ACCESS
;
1176 case MWIFIEX_REG_PMIC
:
1177 cmd_no
= HostCmd_CMD_PMIC_REG_ACCESS
;
1179 case MWIFIEX_REG_CAU
:
1180 cmd_no
= HostCmd_CMD_CAU_REG_ACCESS
;
1186 return mwifiex_send_cmd_sync(priv
, cmd_no
, action
, 0, reg_rw
);
1191 * Sends IOCTL request to write to a register.
1193 * This function allocates the IOCTL request buffer, fills it
1194 * with requisite parameters and calls the IOCTL handler.
1197 mwifiex_reg_write(struct mwifiex_private
*priv
, u32 reg_type
,
1198 u32 reg_offset
, u32 reg_value
)
1200 struct mwifiex_ds_reg_rw reg_rw
;
1202 reg_rw
.type
= cpu_to_le32(reg_type
);
1203 reg_rw
.offset
= cpu_to_le32(reg_offset
);
1204 reg_rw
.value
= cpu_to_le32(reg_value
);
1206 return mwifiex_reg_mem_ioctl_reg_rw(priv
, ®_rw
, HostCmd_ACT_GEN_SET
);
1210 * Sends IOCTL request to read from a register.
1212 * This function allocates the IOCTL request buffer, fills it
1213 * with requisite parameters and calls the IOCTL handler.
1216 mwifiex_reg_read(struct mwifiex_private
*priv
, u32 reg_type
,
1217 u32 reg_offset
, u32
*value
)
1220 struct mwifiex_ds_reg_rw reg_rw
;
1222 reg_rw
.type
= cpu_to_le32(reg_type
);
1223 reg_rw
.offset
= cpu_to_le32(reg_offset
);
1224 ret
= mwifiex_reg_mem_ioctl_reg_rw(priv
, ®_rw
, HostCmd_ACT_GEN_GET
);
1229 *value
= le32_to_cpu(reg_rw
.value
);
1236 * Sends IOCTL request to read from EEPROM.
1238 * This function allocates the IOCTL request buffer, fills it
1239 * with requisite parameters and calls the IOCTL handler.
1242 mwifiex_eeprom_read(struct mwifiex_private
*priv
, u16 offset
, u16 bytes
,
1246 struct mwifiex_ds_read_eeprom rd_eeprom
;
1248 rd_eeprom
.offset
= cpu_to_le16((u16
) offset
);
1249 rd_eeprom
.byte_count
= cpu_to_le16((u16
) bytes
);
1251 /* Send request to firmware */
1252 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_EEPROM_ACCESS
,
1253 HostCmd_ACT_GEN_GET
, 0, &rd_eeprom
);
1256 memcpy(value
, rd_eeprom
.value
, MAX_EEPROM_DATA
);
1261 * This function sets a generic IE. In addition to generic IE, it can
1262 * also handle WPA, WPA2 and WAPI IEs.
1265 mwifiex_set_gen_ie_helper(struct mwifiex_private
*priv
, u8
*ie_data_ptr
,
1269 struct ieee_types_vendor_header
*pvendor_ie
;
1270 const u8 wpa_oui
[] = { 0x00, 0x50, 0xf2, 0x01 };
1271 const u8 wps_oui
[] = { 0x00, 0x50, 0xf2, 0x04 };
1273 /* If the passed length is zero, reset the buffer */
1275 priv
->gen_ie_buf_len
= 0;
1276 priv
->wps
.session_enable
= false;
1279 } else if (!ie_data_ptr
) {
1282 pvendor_ie
= (struct ieee_types_vendor_header
*) ie_data_ptr
;
1283 /* Test to see if it is a WPA IE, if not, then it is a gen IE */
1284 if (((pvendor_ie
->element_id
== WLAN_EID_VENDOR_SPECIFIC
) &&
1285 (!memcmp(pvendor_ie
->oui
, wpa_oui
, sizeof(wpa_oui
)))) ||
1286 (pvendor_ie
->element_id
== WLAN_EID_RSN
)) {
1288 /* IE is a WPA/WPA2 IE so call set_wpa function */
1289 ret
= mwifiex_set_wpa_ie_helper(priv
, ie_data_ptr
, ie_len
);
1290 priv
->wps
.session_enable
= false;
1293 } else if (pvendor_ie
->element_id
== WLAN_EID_BSS_AC_ACCESS_DELAY
) {
1294 /* IE is a WAPI IE so call set_wapi function */
1295 ret
= mwifiex_set_wapi_ie(priv
, ie_data_ptr
, ie_len
);
1300 * Verify that the passed length is not larger than the
1301 * available space remaining in the buffer
1303 if (ie_len
< (sizeof(priv
->gen_ie_buf
) - priv
->gen_ie_buf_len
)) {
1305 /* Test to see if it is a WPS IE, if so, enable
1308 pvendor_ie
= (struct ieee_types_vendor_header
*) ie_data_ptr
;
1309 if ((pvendor_ie
->element_id
== WLAN_EID_VENDOR_SPECIFIC
) &&
1310 (!memcmp(pvendor_ie
->oui
, wps_oui
, sizeof(wps_oui
)))) {
1311 priv
->wps
.session_enable
= true;
1312 dev_dbg(priv
->adapter
->dev
,
1313 "info: WPS Session Enabled.\n");
1314 ret
= mwifiex_set_wps_ie(priv
, ie_data_ptr
, ie_len
);
1317 /* Append the passed data to the end of the
1319 memcpy(priv
->gen_ie_buf
+ priv
->gen_ie_buf_len
, ie_data_ptr
,
1321 /* Increment the stored buffer length by the
1323 priv
->gen_ie_buf_len
+= ie_len
;
1325 /* Passed data does not fit in the remaining
1330 /* Return 0, or -1 for error case */
1335 * IOCTL request handler to set/get generic IE.
1337 * In addition to various generic IEs, this function can also be
1338 * used to set the ARP filter.
1340 static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private
*priv
,
1341 struct mwifiex_ds_misc_gen_ie
*gen_ie
,
1344 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1346 switch (gen_ie
->type
) {
1347 case MWIFIEX_IE_TYPE_GEN_IE
:
1348 if (action
== HostCmd_ACT_GEN_GET
) {
1349 gen_ie
->len
= priv
->wpa_ie_len
;
1350 memcpy(gen_ie
->ie_data
, priv
->wpa_ie
, gen_ie
->len
);
1352 mwifiex_set_gen_ie_helper(priv
, gen_ie
->ie_data
,
1356 case MWIFIEX_IE_TYPE_ARP_FILTER
:
1357 memset(adapter
->arp_filter
, 0, sizeof(adapter
->arp_filter
));
1358 if (gen_ie
->len
> ARP_FILTER_MAX_BUF_SIZE
) {
1359 adapter
->arp_filter_size
= 0;
1360 dev_err(adapter
->dev
, "invalid ARP filter size\n");
1363 memcpy(adapter
->arp_filter
, gen_ie
->ie_data
,
1365 adapter
->arp_filter_size
= gen_ie
->len
;
1369 dev_err(adapter
->dev
, "invalid IE type\n");
1376 * Sends IOCTL request to set a generic IE.
1378 * This function allocates the IOCTL request buffer, fills it
1379 * with requisite parameters and calls the IOCTL handler.
1382 mwifiex_set_gen_ie(struct mwifiex_private
*priv
, u8
*ie
, int ie_len
)
1384 struct mwifiex_ds_misc_gen_ie gen_ie
;
1386 if (ie_len
> IEEE_MAX_IE_SIZE
)
1389 gen_ie
.type
= MWIFIEX_IE_TYPE_GEN_IE
;
1390 gen_ie
.len
= ie_len
;
1391 memcpy(gen_ie
.ie_data
, ie
, ie_len
);
1392 if (mwifiex_misc_ioctl_gen_ie(priv
, &gen_ie
, HostCmd_ACT_GEN_SET
))