2 * This file contains the handling of command
3 * responses as well as events generated by firmware.
5 #include <linux/delay.h>
6 #include <linux/if_arp.h>
7 #include <linux/netdevice.h>
9 #include <net/iw_handler.h>
20 * @brief This function handles disconnect event. it
21 * reports disconnect to upper layer, clean tx/rx packets,
22 * reset link state etc.
24 * @param priv A pointer to wlan_private structure
27 void libertas_mac_event_disconnected(wlan_private
* priv
)
29 wlan_adapter
*adapter
= priv
->adapter
;
30 union iwreq_data wrqu
;
32 if (adapter
->connect_status
!= libertas_connected
)
35 lbs_pr_debug(1, "Handles disconnect event.\n");
37 memset(wrqu
.ap_addr
.sa_data
, 0x00, ETH_ALEN
);
38 wrqu
.ap_addr
.sa_family
= ARPHRD_ETHER
;
41 * Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
42 * It causes problem in the Supplicant
45 msleep_interruptible(1000);
46 wireless_send_event(priv
->wlan_dev
.netdev
, SIOCGIWAP
, &wrqu
, NULL
);
48 /* Free Tx and Rx packets */
49 kfree_skb(priv
->adapter
->currenttxskb
);
50 priv
->adapter
->currenttxskb
= NULL
;
52 /* report disconnect to upper layer */
53 netif_stop_queue(priv
->wlan_dev
.netdev
);
54 netif_carrier_off(priv
->wlan_dev
.netdev
);
56 /* reset SNR/NF/RSSI values */
57 memset(adapter
->SNR
, 0x00, sizeof(adapter
->SNR
));
58 memset(adapter
->NF
, 0x00, sizeof(adapter
->NF
));
59 memset(adapter
->RSSI
, 0x00, sizeof(adapter
->RSSI
));
60 memset(adapter
->rawSNR
, 0x00, sizeof(adapter
->rawSNR
));
61 memset(adapter
->rawNF
, 0x00, sizeof(adapter
->rawNF
));
62 adapter
->nextSNRNF
= 0;
63 adapter
->numSNRNF
= 0;
64 adapter
->rxpd_rate
= 0;
65 lbs_pr_debug(1, "Current SSID=%s, ssid length=%u\n",
66 adapter
->curbssparams
.ssid
.ssid
,
67 adapter
->curbssparams
.ssid
.ssidlength
);
68 lbs_pr_debug(1, "Previous SSID=%s, ssid length=%u\n",
69 adapter
->previousssid
.ssid
, adapter
->previousssid
.ssidlength
);
71 /* reset internal flags */
72 adapter
->secinfo
.WPAenabled
= 0;
73 adapter
->secinfo
.WPA2enabled
= 0;
74 adapter
->wpa_ie_len
= 0;
76 adapter
->connect_status
= libertas_disconnected
;
79 * memorize the previous SSID and BSSID
80 * it could be used for re-assoc
82 memcpy(&adapter
->previousssid
,
83 &adapter
->curbssparams
.ssid
, sizeof(struct WLAN_802_11_SSID
));
84 memcpy(adapter
->previousbssid
,
85 adapter
->curbssparams
.bssid
, ETH_ALEN
);
87 /* need to erase the current SSID and BSSID info */
88 adapter
->pattemptedbssdesc
= NULL
;
89 memset(&adapter
->curbssparams
, 0, sizeof(adapter
->curbssparams
));
91 if (adapter
->psstate
!= PS_STATE_FULL_POWER
) {
92 /* make firmware to exit PS mode */
93 lbs_pr_debug(1, "Disconnected, so exit PS mode.\n");
94 libertas_ps_wakeup(priv
, 0);
99 * @brief This function handles MIC failure event.
101 * @param priv A pointer to wlan_private structure
102 * @para event the event id
105 static void handle_mic_failureevent(wlan_private
* priv
, u32 event
)
109 memset(buf
, 0, sizeof(buf
));
111 sprintf(buf
, "%s", "MLME-MICHAELMICFAILURE.indication ");
113 if (event
== MACREG_INT_CODE_MIC_ERR_UNICAST
) {
114 strcat(buf
, "unicast ");
116 strcat(buf
, "multicast ");
119 libertas_send_iwevcustom_event(priv
, buf
);
122 static int wlan_ret_reg_access(wlan_private
* priv
,
123 u16 type
, struct cmd_ds_command
*resp
)
125 wlan_adapter
*adapter
= priv
->adapter
;
130 case cmd_ret_mac_reg_access
:
132 struct cmd_ds_mac_reg_access
*reg
;
135 (struct cmd_ds_mac_reg_access
*)&resp
->params
.
138 adapter
->offsetvalue
.offset
= reg
->offset
;
139 adapter
->offsetvalue
.value
= reg
->value
;
143 case cmd_ret_bbp_reg_access
:
145 struct cmd_ds_bbp_reg_access
*reg
;
147 (struct cmd_ds_bbp_reg_access
*)&resp
->params
.
150 adapter
->offsetvalue
.offset
= reg
->offset
;
151 adapter
->offsetvalue
.value
= reg
->value
;
155 case cmd_ret_rf_reg_access
:
157 struct cmd_ds_rf_reg_access
*reg
;
159 (struct cmd_ds_rf_reg_access
*)&resp
->params
.
162 adapter
->offsetvalue
.offset
= reg
->offset
;
163 adapter
->offsetvalue
.value
= reg
->value
;
176 static int wlan_ret_get_hw_spec(wlan_private
* priv
,
177 struct cmd_ds_command
*resp
)
180 struct cmd_ds_get_hw_spec
*hwspec
= &resp
->params
.hwspec
;
181 wlan_adapter
*adapter
= priv
->adapter
;
186 adapter
->fwcapinfo
= le32_to_cpu(hwspec
->fwcapinfo
);
188 adapter
->fwreleasenumber
= hwspec
->fwreleasenumber
;
190 lbs_pr_debug(1, "GET_HW_SPEC: FWReleaseVersion- 0x%X\n",
191 adapter
->fwreleasenumber
);
192 lbs_pr_debug(1, "GET_HW_SPEC: Permanent addr- %2x:%2x:%2x:%2x:%2x:%2x\n",
193 hwspec
->permanentaddr
[0], hwspec
->permanentaddr
[1],
194 hwspec
->permanentaddr
[2], hwspec
->permanentaddr
[3],
195 hwspec
->permanentaddr
[4], hwspec
->permanentaddr
[5]);
196 lbs_pr_debug(1, "GET_HW_SPEC: hwifversion=0x%X version=0x%X\n",
197 hwspec
->hwifversion
, hwspec
->version
);
199 adapter
->regioncode
= le16_to_cpu(hwspec
->regioncode
);
201 for (i
= 0; i
< MRVDRV_MAX_REGION_CODE
; i
++) {
202 /* use the region code to search for the index */
203 if (adapter
->regioncode
== libertas_region_code_to_index
[i
]) {
204 adapter
->regiontableindex
= (u16
) i
;
209 /* if it's unidentified region code, use the default (USA) */
210 if (i
>= MRVDRV_MAX_REGION_CODE
) {
211 adapter
->regioncode
= 0x10;
212 adapter
->regiontableindex
= 0;
214 "unidentified region code, use the default (USA)\n");
217 if (adapter
->current_addr
[0] == 0xff) {
218 memmove(adapter
->current_addr
, hwspec
->permanentaddr
,
222 memcpy(priv
->wlan_dev
.netdev
->dev_addr
, adapter
->current_addr
, ETH_ALEN
);
223 memcpy(priv
->mesh_dev
->dev_addr
, adapter
->current_addr
, ETH_ALEN
);
225 if (libertas_set_regiontable(priv
, adapter
->regioncode
, 0)) {
230 if (libertas_set_universaltable(priv
, 0)) {
240 static int wlan_ret_802_11_sleep_params(wlan_private
* priv
,
241 struct cmd_ds_command
*resp
)
243 struct cmd_ds_802_11_sleep_params
*sp
= &resp
->params
.sleep_params
;
244 wlan_adapter
*adapter
= priv
->adapter
;
248 lbs_pr_debug(1, "error=%x offset=%x stabletime=%x calcontrol=%x\n"
249 " extsleepclk=%x\n", sp
->error
, sp
->offset
,
250 sp
->stabletime
, sp
->calcontrol
, sp
->externalsleepclk
);
251 adapter
->sp
.sp_error
= le16_to_cpu(sp
->error
);
252 adapter
->sp
.sp_offset
= le16_to_cpu(sp
->offset
);
253 adapter
->sp
.sp_stabletime
= le16_to_cpu(sp
->stabletime
);
254 adapter
->sp
.sp_calcontrol
= le16_to_cpu(sp
->calcontrol
);
255 adapter
->sp
.sp_extsleepclk
= le16_to_cpu(sp
->externalsleepclk
);
256 adapter
->sp
.sp_reserved
= le16_to_cpu(sp
->reserved
);
262 static int wlan_ret_802_11_stat(wlan_private
* priv
,
263 struct cmd_ds_command
*resp
)
265 /* currently adapter->wlan802_11Stat is unused
267 struct cmd_ds_802_11_get_stat *p11Stat = &resp->params.gstat;
268 wlan_adapter *adapter = priv->adapter;
270 // TODO Convert it to Big endian befor copy
271 memcpy(&adapter->wlan802_11Stat,
272 p11Stat, sizeof(struct cmd_ds_802_11_get_stat));
277 static int wlan_ret_802_11_snmp_mib(wlan_private
* priv
,
278 struct cmd_ds_command
*resp
)
280 struct cmd_ds_802_11_snmp_mib
*smib
= &resp
->params
.smib
;
281 u16 oid
= le16_to_cpu(smib
->oid
);
282 u16 querytype
= le16_to_cpu(smib
->querytype
);
286 lbs_pr_debug(1, "SNMP_RESP: value of the oid = %x, querytype=%x\n", oid
,
288 lbs_pr_debug(1, "SNMP_RESP: Buf size = %x\n",
289 le16_to_cpu(smib
->bufsize
));
291 if (querytype
== cmd_act_get
) {
294 priv
->adapter
->fragthsd
=
296 ((unsigned short *)(smib
->value
)));
297 lbs_pr_debug(1, "SNMP_RESP: fragthsd =%u\n",
298 priv
->adapter
->fragthsd
);
301 priv
->adapter
->rtsthsd
=
303 ((unsigned short *)(smib
->value
)));
304 lbs_pr_debug(1, "SNMP_RESP: rtsthsd =%u\n",
305 priv
->adapter
->rtsthsd
);
307 case short_retrylim_i
:
308 priv
->adapter
->txretrycount
=
310 ((unsigned short *)(smib
->value
)));
311 lbs_pr_debug(1, "SNMP_RESP: txretrycount =%u\n",
312 priv
->adapter
->rtsthsd
);
323 static int wlan_ret_802_11_key_material(wlan_private
* priv
,
324 struct cmd_ds_command
*resp
)
326 struct cmd_ds_802_11_key_material
*pkeymaterial
=
327 &resp
->params
.keymaterial
;
328 wlan_adapter
*adapter
= priv
->adapter
;
329 u16 action
= le16_to_cpu(pkeymaterial
->action
);
333 /* Copy the returned key to driver private data */
334 if (action
== cmd_act_get
) {
335 u8
* buf_ptr
= (u8
*) &pkeymaterial
->keyParamSet
;
336 u8
* resp_end
= (u8
*) (resp
+ le16_to_cpu(resp
->size
));
338 while (buf_ptr
< resp_end
) {
339 struct MrvlIEtype_keyParamSet
* pkeyparamset
=
340 (struct MrvlIEtype_keyParamSet
*) buf_ptr
;
341 struct WLAN_802_11_KEY
* pkey
;
342 u16 key_info
= le16_to_cpu(pkeyparamset
->keyinfo
);
343 u16 param_set_len
= le16_to_cpu(pkeyparamset
->length
);
345 u16 key_len
= le16_to_cpu(pkeyparamset
->keylen
);
347 end
= (u8
*) pkeyparamset
+ sizeof (pkeyparamset
->type
)
348 + sizeof (pkeyparamset
->length
)
350 /* Make sure we don't access past the end of the IEs */
354 if (key_info
& KEY_INFO_WPA_UNICAST
)
355 pkey
= &adapter
->wpa_unicast_key
;
356 else if (key_info
& KEY_INFO_WPA_MCAST
)
357 pkey
= &adapter
->wpa_mcast_key
;
361 /* Copy returned key into driver */
362 memset(pkey
, 0, sizeof(struct WLAN_802_11_KEY
));
363 if (key_len
> sizeof(pkey
->key
))
365 pkey
->type
= le16_to_cpu(pkeyparamset
->keytypeid
);
366 pkey
->flags
= le16_to_cpu(pkeyparamset
->keyinfo
);
367 pkey
->len
= le16_to_cpu(pkeyparamset
->keylen
);
368 memcpy(pkey
->key
, pkeyparamset
->key
, pkey
->len
);
378 static int wlan_ret_802_11_mac_address(wlan_private
* priv
,
379 struct cmd_ds_command
*resp
)
381 struct cmd_ds_802_11_mac_address
*macadd
= &resp
->params
.macadd
;
382 wlan_adapter
*adapter
= priv
->adapter
;
386 memcpy(adapter
->current_addr
, macadd
->macadd
, ETH_ALEN
);
392 static int wlan_ret_802_11_rf_tx_power(wlan_private
* priv
,
393 struct cmd_ds_command
*resp
)
395 struct cmd_ds_802_11_rf_tx_power
*rtp
= &resp
->params
.txp
;
396 wlan_adapter
*adapter
= priv
->adapter
;
400 adapter
->txpowerlevel
= le16_to_cpu(rtp
->currentlevel
);
402 lbs_pr_debug(1, "Current TxPower Level = %d\n", adapter
->txpowerlevel
);
408 static int wlan_ret_802_11_rf_antenna(wlan_private
* priv
,
409 struct cmd_ds_command
*resp
)
411 struct cmd_ds_802_11_rf_antenna
*pAntenna
= &resp
->params
.rant
;
412 wlan_adapter
*adapter
= priv
->adapter
;
413 u16 action
= le16_to_cpu(pAntenna
->action
);
415 if (action
== cmd_act_get_rx
)
416 adapter
->rxantennamode
=
417 le16_to_cpu(pAntenna
->antennamode
);
419 if (action
== cmd_act_get_tx
)
420 adapter
->txantennamode
=
421 le16_to_cpu(pAntenna
->antennamode
);
423 lbs_pr_debug(1, "RF_ANT_RESP: action = 0x%x, mode = 0x%04x\n",
424 action
, le16_to_cpu(pAntenna
->antennamode
));
429 static int wlan_ret_802_11_rate_adapt_rateset(wlan_private
* priv
,
430 struct cmd_ds_command
*resp
)
432 struct cmd_ds_802_11_rate_adapt_rateset
*rates
=
433 &resp
->params
.rateset
;
434 wlan_adapter
*adapter
= priv
->adapter
;
438 if (rates
->action
== cmd_act_get
) {
439 adapter
->enablehwauto
= rates
->enablehwauto
;
440 adapter
->ratebitmap
= rates
->bitmap
;
448 static int wlan_ret_802_11_data_rate(wlan_private
* priv
,
449 struct cmd_ds_command
*resp
)
451 struct cmd_ds_802_11_data_rate
*pdatarate
= &resp
->params
.drate
;
452 wlan_adapter
*adapter
= priv
->adapter
;
457 lbs_dbg_hex("DATA_RATE_RESP: data_rate- ",
458 (u8
*) pdatarate
, sizeof(struct cmd_ds_802_11_data_rate
));
460 dot11datarate
= pdatarate
->datarate
[0];
461 if (pdatarate
->action
== cmd_act_get_tx_rate
) {
462 memcpy(adapter
->libertas_supported_rates
, pdatarate
->datarate
,
463 sizeof(adapter
->libertas_supported_rates
));
465 adapter
->datarate
= libertas_index_to_data_rate(dot11datarate
);
471 static int wlan_ret_802_11_rf_channel(wlan_private
* priv
,
472 struct cmd_ds_command
*resp
)
474 struct cmd_ds_802_11_rf_channel
*rfchannel
=
475 &resp
->params
.rfchannel
;
476 wlan_adapter
*adapter
= priv
->adapter
;
477 u16 action
= le16_to_cpu(rfchannel
->action
);
478 u16 newchannel
= le16_to_cpu(rfchannel
->currentchannel
);
482 if (action
== cmd_opt_802_11_rf_channel_get
483 && adapter
->curbssparams
.channel
!= newchannel
) {
484 lbs_pr_debug(1, "channel Switch: %d to %d\n",
485 adapter
->curbssparams
.channel
, newchannel
);
487 /* Update the channel again */
488 adapter
->curbssparams
.channel
= newchannel
;
495 static int wlan_ret_802_11_rssi(wlan_private
* priv
,
496 struct cmd_ds_command
*resp
)
498 struct cmd_ds_802_11_rssi_rsp
*rssirsp
= &resp
->params
.rssirsp
;
499 wlan_adapter
*adapter
= priv
->adapter
;
501 /* store the non average value */
502 adapter
->SNR
[TYPE_BEACON
][TYPE_NOAVG
] = le16_to_cpu(rssirsp
->SNR
);
503 adapter
->NF
[TYPE_BEACON
][TYPE_NOAVG
] =
504 le16_to_cpu(rssirsp
->noisefloor
);
506 adapter
->SNR
[TYPE_BEACON
][TYPE_AVG
] = le16_to_cpu(rssirsp
->avgSNR
);
507 adapter
->NF
[TYPE_BEACON
][TYPE_AVG
] =
508 le16_to_cpu(rssirsp
->avgnoisefloor
);
510 adapter
->RSSI
[TYPE_BEACON
][TYPE_NOAVG
] =
511 CAL_RSSI(adapter
->SNR
[TYPE_BEACON
][TYPE_NOAVG
],
512 adapter
->NF
[TYPE_BEACON
][TYPE_NOAVG
]);
514 adapter
->RSSI
[TYPE_BEACON
][TYPE_AVG
] =
515 CAL_RSSI(adapter
->SNR
[TYPE_BEACON
][TYPE_AVG
] / AVG_SCALE
,
516 adapter
->NF
[TYPE_BEACON
][TYPE_AVG
] / AVG_SCALE
);
518 lbs_pr_debug(1, "Beacon RSSI value = 0x%x\n",
519 adapter
->RSSI
[TYPE_BEACON
][TYPE_AVG
]);
524 static int wlan_ret_802_11_eeprom_access(wlan_private
* priv
,
525 struct cmd_ds_command
*resp
)
527 wlan_adapter
*adapter
= priv
->adapter
;
528 struct wlan_ioctl_regrdwr
*pbuf
;
529 pbuf
= (struct wlan_ioctl_regrdwr
*) adapter
->prdeeprom
;
531 lbs_pr_debug(1, "eeprom read len=%x\n",
532 le16_to_cpu(resp
->params
.rdeeprom
.bytecount
));
533 if (pbuf
->NOB
< le16_to_cpu(resp
->params
.rdeeprom
.bytecount
)) {
535 lbs_pr_debug(1, "eeprom read return length is too big\n");
538 pbuf
->NOB
= le16_to_cpu(resp
->params
.rdeeprom
.bytecount
);
541 memcpy(&pbuf
->value
, (u8
*) & resp
->params
.rdeeprom
.value
,
542 le16_to_cpu(resp
->params
.rdeeprom
.bytecount
));
543 lbs_dbg_hex("adapter", (char *)&pbuf
->value
,
544 le16_to_cpu(resp
->params
.rdeeprom
.bytecount
));
549 static int wlan_ret_get_log(wlan_private
* priv
,
550 struct cmd_ds_command
*resp
)
552 struct cmd_ds_802_11_get_log
*logmessage
=
553 (struct cmd_ds_802_11_get_log
*)&resp
->params
.glog
;
554 wlan_adapter
*adapter
= priv
->adapter
;
558 /* TODO Convert it to Big Endian before copy */
559 memcpy(&adapter
->logmsg
, logmessage
,
560 sizeof(struct cmd_ds_802_11_get_log
));
566 static inline int handle_cmd_response(u16 respcmd
,
567 struct cmd_ds_command
*resp
,
572 wlan_adapter
*adapter
= priv
->adapter
;
575 case cmd_ret_mac_reg_access
:
576 case cmd_ret_bbp_reg_access
:
577 case cmd_ret_rf_reg_access
:
578 ret
= wlan_ret_reg_access(priv
, respcmd
, resp
);
581 case cmd_ret_hw_spec_info
:
582 ret
= wlan_ret_get_hw_spec(priv
, resp
);
585 case cmd_ret_802_11_scan
:
586 ret
= libertas_ret_80211_scan(priv
, resp
);
589 case cmd_ret_802_11_get_log
:
590 ret
= wlan_ret_get_log(priv
, resp
);
593 case cmd_ret_802_11_associate
:
594 case cmd_ret_802_11_reassociate
:
595 ret
= libertas_ret_80211_associate(priv
, resp
);
598 case cmd_ret_802_11_disassociate
:
599 case cmd_ret_802_11_deauthenticate
:
600 ret
= libertas_ret_80211_disassociate(priv
, resp
);
603 case cmd_ret_802_11_ad_hoc_start
:
604 case cmd_ret_802_11_ad_hoc_join
:
605 ret
= libertas_ret_80211_ad_hoc_start(priv
, resp
);
608 case cmd_ret_802_11_stat
:
609 ret
= wlan_ret_802_11_stat(priv
, resp
);
612 case cmd_ret_802_11_snmp_mib
:
613 ret
= wlan_ret_802_11_snmp_mib(priv
, resp
);
616 case cmd_ret_802_11_rf_tx_power
:
617 ret
= wlan_ret_802_11_rf_tx_power(priv
, resp
);
620 case cmd_ret_802_11_set_afc
:
621 case cmd_ret_802_11_get_afc
:
622 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
623 memmove(adapter
->cur_cmd
->pdata_buf
,
625 sizeof(struct cmd_ds_802_11_afc
));
626 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
629 case cmd_ret_802_11_rf_antenna
:
630 ret
= wlan_ret_802_11_rf_antenna(priv
, resp
);
633 case cmd_ret_mac_multicast_adr
:
634 case cmd_ret_mac_control
:
635 case cmd_ret_802_11_set_wep
:
636 case cmd_ret_802_11_reset
:
637 case cmd_ret_802_11_authenticate
:
638 case cmd_ret_802_11_radio_control
:
639 case cmd_ret_802_11_beacon_stop
:
640 case cmd_ret_802_11_enable_rsn
:
643 case cmd_ret_802_11_data_rate
:
644 ret
= wlan_ret_802_11_data_rate(priv
, resp
);
646 case cmd_ret_802_11_rate_adapt_rateset
:
647 ret
= wlan_ret_802_11_rate_adapt_rateset(priv
, resp
);
649 case cmd_ret_802_11_rf_channel
:
650 ret
= wlan_ret_802_11_rf_channel(priv
, resp
);
653 case cmd_ret_802_11_rssi
:
654 ret
= wlan_ret_802_11_rssi(priv
, resp
);
657 case cmd_ret_802_11_mac_address
:
658 ret
= wlan_ret_802_11_mac_address(priv
, resp
);
661 case cmd_ret_802_11_ad_hoc_stop
:
662 ret
= libertas_ret_80211_ad_hoc_stop(priv
, resp
);
665 case cmd_ret_802_11_key_material
:
666 lbs_pr_debug(1, "CMD_RESP: KEY_MATERIAL command response\n");
667 ret
= wlan_ret_802_11_key_material(priv
, resp
);
670 case cmd_ret_802_11_eeprom_access
:
671 ret
= wlan_ret_802_11_eeprom_access(priv
, resp
);
674 case cmd_ret_802_11d_domain_info
:
675 ret
= libertas_ret_802_11d_domain_info(priv
, resp
);
678 case cmd_ret_802_11_sleep_params
:
679 ret
= wlan_ret_802_11_sleep_params(priv
, resp
);
681 case cmd_ret_802_11_inactivity_timeout
:
682 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
683 *((u16
*) adapter
->cur_cmd
->pdata_buf
) =
684 le16_to_cpu(resp
->params
.inactivity_timeout
.timeout
);
685 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
688 case cmd_ret_802_11_tpc_cfg
:
689 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
690 memmove(adapter
->cur_cmd
->pdata_buf
,
691 &resp
->params
.tpccfg
,
692 sizeof(struct cmd_ds_802_11_tpc_cfg
));
693 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
695 case cmd_ret_802_11_led_gpio_ctrl
:
696 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
697 memmove(adapter
->cur_cmd
->pdata_buf
,
698 &resp
->params
.ledgpio
,
699 sizeof(struct cmd_ds_802_11_led_ctrl
));
700 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
702 case cmd_ret_802_11_pwr_cfg
:
703 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
704 memmove(adapter
->cur_cmd
->pdata_buf
,
705 &resp
->params
.pwrcfg
,
706 sizeof(struct cmd_ds_802_11_pwr_cfg
));
707 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
711 case cmd_ret_get_tsf
:
712 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
713 memcpy(priv
->adapter
->cur_cmd
->pdata_buf
,
714 &resp
->params
.gettsf
.tsfvalue
, sizeof(u64
));
715 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
717 case cmd_ret_bt_access
:
718 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
719 if (adapter
->cur_cmd
->pdata_buf
)
720 memcpy(adapter
->cur_cmd
->pdata_buf
,
721 &resp
->params
.bt
.addr1
, 2 * ETH_ALEN
);
722 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
724 case cmd_ret_fwt_access
:
725 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
726 if (adapter
->cur_cmd
->pdata_buf
)
727 memcpy(adapter
->cur_cmd
->pdata_buf
,
729 sizeof(resp
->params
.fwt
));
730 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
732 case cmd_ret_mesh_access
:
733 if (adapter
->cur_cmd
->pdata_buf
)
734 memcpy(adapter
->cur_cmd
->pdata_buf
,
736 sizeof(resp
->params
.mesh
));
738 case cmd_rte_802_11_tx_rate_query
:
739 priv
->adapter
->txrate
= resp
->params
.txrate
.txrate
;
742 lbs_pr_debug(1, "CMD_RESP: Unknown command response %#x\n",
749 int libertas_process_rx_command(wlan_private
* priv
)
752 struct cmd_ds_command
*resp
;
753 wlan_adapter
*adapter
= priv
->adapter
;
760 lbs_pr_debug(1, "CMD_RESP: @ %lu\n", jiffies
);
762 /* Now we got response from FW, cancel the command timer */
763 del_timer(&adapter
->command_timer
);
765 mutex_lock(&adapter
->lock
);
766 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
768 if (!adapter
->cur_cmd
) {
769 lbs_pr_debug(1, "CMD_RESP: NULL cur_cmd=%p\n", adapter
->cur_cmd
);
771 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
774 resp
= (struct cmd_ds_command
*)(adapter
->cur_cmd
->bufvirtualaddr
);
776 lbs_dbg_hex("CMD_RESP:", adapter
->cur_cmd
->bufvirtualaddr
,
777 priv
->wlan_dev
.upld_len
);
779 respcmd
= le16_to_cpu(resp
->command
);
781 result
= le16_to_cpu(resp
->result
);
783 lbs_pr_debug(1, "CMD_RESP: %x result: %d length: %d\n", respcmd
,
784 result
, priv
->wlan_dev
.upld_len
);
786 if (!(respcmd
& 0x8000)) {
787 lbs_pr_debug(1, "Invalid response to command!");
788 adapter
->cur_cmd_retcode
= -1;
789 __libertas_cleanup_and_insert_cmd(priv
, adapter
->cur_cmd
);
790 adapter
->nr_cmd_pending
--;
791 adapter
->cur_cmd
= NULL
;
792 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
797 /* Store the response code to cur_cmd_retcode. */
798 adapter
->cur_cmd_retcode
= le16_to_cpu(resp
->result
);
800 if (respcmd
== cmd_ret_802_11_ps_mode
) {
801 struct cmd_ds_802_11_ps_mode
*psmode
;
803 psmode
= &resp
->params
.psmode
;
805 "CMD_RESP: PS_MODE cmd reply result=%#x action=0x%X\n",
806 resp
->result
, psmode
->action
);
807 psmode
->action
= cpu_to_le16(psmode
->action
);
810 lbs_pr_debug(1, "CMD_RESP: PS command failed- %#x \n",
812 if (adapter
->mode
== IW_MODE_ADHOC
) {
814 * We should not re-try enter-ps command in
815 * ad-hoc mode. It takes place in
816 * libertas_execute_next_command().
818 if (psmode
->action
== cmd_subcmd_enter_ps
)
820 wlan802_11powermodecam
;
822 } else if (psmode
->action
== cmd_subcmd_enter_ps
) {
823 adapter
->needtowakeup
= 0;
824 adapter
->psstate
= PS_STATE_AWAKE
;
826 lbs_pr_debug(1, "CMD_RESP: Enter_PS command response\n");
827 if (adapter
->connect_status
!= libertas_connected
) {
829 * When Deauth Event received before Enter_PS command
830 * response, We need to wake up the firmware.
833 "Disconnected, Going to invoke libertas_ps_wakeup\n");
835 mutex_unlock(&adapter
->lock
);
836 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
837 libertas_ps_wakeup(priv
, 0);
838 mutex_lock(&adapter
->lock
);
839 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
841 } else if (psmode
->action
== cmd_subcmd_exit_ps
) {
842 adapter
->needtowakeup
= 0;
843 adapter
->psstate
= PS_STATE_FULL_POWER
;
844 lbs_pr_debug(1, "CMD_RESP: Exit_PS command response\n");
846 lbs_pr_debug(1, "CMD_RESP: PS- action=0x%X\n",
850 __libertas_cleanup_and_insert_cmd(priv
, adapter
->cur_cmd
);
851 adapter
->nr_cmd_pending
--;
852 adapter
->cur_cmd
= NULL
;
853 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
859 if (adapter
->cur_cmd
->cmdflags
& CMD_F_HOSTCMD
) {
860 /* Copy the response back to response buffer */
861 memcpy(adapter
->cur_cmd
->pdata_buf
, resp
, resp
->size
);
863 adapter
->cur_cmd
->cmdflags
&= ~CMD_F_HOSTCMD
;
866 /* If the command is not successful, cleanup and return failure */
867 if ((result
!= 0 || !(respcmd
& 0x8000))) {
868 lbs_pr_debug(1, "CMD_RESP: command reply %#x result=%#x\n",
869 resp
->command
, resp
->result
);
871 * Handling errors here
874 case cmd_ret_hw_spec_info
:
875 case cmd_ret_802_11_reset
:
876 lbs_pr_debug(1, "CMD_RESP: Reset command failed\n");
881 __libertas_cleanup_and_insert_cmd(priv
, adapter
->cur_cmd
);
882 adapter
->nr_cmd_pending
--;
883 adapter
->cur_cmd
= NULL
;
884 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
890 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
892 ret
= handle_cmd_response(respcmd
, resp
, priv
);
894 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
895 if (adapter
->cur_cmd
) {
896 /* Clean up and Put current command back to cmdfreeq */
897 __libertas_cleanup_and_insert_cmd(priv
, adapter
->cur_cmd
);
898 adapter
->nr_cmd_pending
--;
899 WARN_ON(adapter
->nr_cmd_pending
> 128);
900 adapter
->cur_cmd
= NULL
;
902 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
905 mutex_unlock(&adapter
->lock
);
910 int libertas_process_event(wlan_private
* priv
)
913 wlan_adapter
*adapter
= priv
->adapter
;
916 spin_lock_irq(&adapter
->driver_lock
);
917 eventcause
= adapter
->eventcause
;
918 spin_unlock_irq(&adapter
->driver_lock
);
922 lbs_pr_debug(1, "EVENT Cause %x\n", eventcause
);
924 switch (eventcause
>> SBI_EVENT_CAUSE_SHIFT
) {
925 case MACREG_INT_CODE_LINK_SENSED
:
926 lbs_pr_debug(1, "EVENT: MACREG_INT_CODE_LINK_SENSED\n");
929 case MACREG_INT_CODE_DEAUTHENTICATED
:
930 lbs_pr_debug(1, "EVENT: Deauthenticated\n");
931 libertas_mac_event_disconnected(priv
);
934 case MACREG_INT_CODE_DISASSOCIATED
:
935 lbs_pr_debug(1, "EVENT: Disassociated\n");
936 libertas_mac_event_disconnected(priv
);
939 case MACREG_INT_CODE_LINK_LOSE_NO_SCAN
:
940 lbs_pr_debug(1, "EVENT: Link lost\n");
941 libertas_mac_event_disconnected(priv
);
944 case MACREG_INT_CODE_PS_SLEEP
:
945 lbs_pr_debug(1, "EVENT: SLEEP\n");
946 lbs_pr_debug(1, "_");
948 /* handle unexpected PS SLEEP event */
949 if (adapter
->psstate
== PS_STATE_FULL_POWER
) {
951 "EVENT: In FULL POWER mode - ignore PS SLEEP\n");
954 adapter
->psstate
= PS_STATE_PRE_SLEEP
;
956 libertas_ps_confirm_sleep(priv
, (u16
) adapter
->psmode
);
960 case MACREG_INT_CODE_PS_AWAKE
:
961 lbs_pr_debug(1, "EVENT: AWAKE \n");
962 lbs_pr_debug(1, "|");
964 /* handle unexpected PS AWAKE event */
965 if (adapter
->psstate
== PS_STATE_FULL_POWER
) {
967 "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
971 adapter
->psstate
= PS_STATE_AWAKE
;
973 if (adapter
->needtowakeup
) {
975 * wait for the command processing to finish
976 * before resuming sending
977 * adapter->needtowakeup will be set to FALSE
978 * in libertas_ps_wakeup()
980 lbs_pr_debug(1, "Waking up...\n");
981 libertas_ps_wakeup(priv
, 0);
985 case MACREG_INT_CODE_MIC_ERR_UNICAST
:
986 lbs_pr_debug(1, "EVENT: UNICAST MIC ERROR\n");
987 handle_mic_failureevent(priv
, MACREG_INT_CODE_MIC_ERR_UNICAST
);
990 case MACREG_INT_CODE_MIC_ERR_MULTICAST
:
991 lbs_pr_debug(1, "EVENT: MULTICAST MIC ERROR\n");
992 handle_mic_failureevent(priv
, MACREG_INT_CODE_MIC_ERR_MULTICAST
);
994 case MACREG_INT_CODE_MIB_CHANGED
:
995 case MACREG_INT_CODE_INIT_DONE
:
998 case MACREG_INT_CODE_ADHOC_BCN_LOST
:
999 lbs_pr_debug(1, "EVENT: HWAC - ADHOC BCN LOST\n");
1002 case MACREG_INT_CODE_RSSI_LOW
:
1003 lbs_pr_alert( "EVENT: RSSI_LOW\n");
1005 case MACREG_INT_CODE_SNR_LOW
:
1006 lbs_pr_alert( "EVENT: SNR_LOW\n");
1008 case MACREG_INT_CODE_MAX_FAIL
:
1009 lbs_pr_alert( "EVENT: MAX_FAIL\n");
1011 case MACREG_INT_CODE_RSSI_HIGH
:
1012 lbs_pr_alert( "EVENT: RSSI_HIGH\n");
1014 case MACREG_INT_CODE_SNR_HIGH
:
1015 lbs_pr_alert( "EVENT: SNR_HIGH\n");
1019 lbs_pr_alert( "EVENT: unknown event id: %#x\n",
1020 eventcause
>> SBI_EVENT_CAUSE_SHIFT
);
1024 spin_lock_irq(&adapter
->driver_lock
);
1025 adapter
->eventcause
= 0;
1026 spin_unlock_irq(&adapter
->driver_lock
);