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;
75 adapter
->secinfo
.auth1xalg
= WLAN_1X_AUTH_ALG_NONE
;
76 adapter
->secinfo
.Encryptionmode
= CIPHER_NONE
;
78 adapter
->connect_status
= libertas_disconnected
;
81 * memorize the previous SSID and BSSID
82 * it could be used for re-assoc
84 memcpy(&adapter
->previousssid
,
85 &adapter
->curbssparams
.ssid
, sizeof(struct WLAN_802_11_SSID
));
86 memcpy(adapter
->previousbssid
,
87 adapter
->curbssparams
.bssid
, ETH_ALEN
);
89 /* need to erase the current SSID and BSSID info */
90 adapter
->pattemptedbssdesc
= NULL
;
91 memset(&adapter
->curbssparams
, 0, sizeof(adapter
->curbssparams
));
93 if (adapter
->psstate
!= PS_STATE_FULL_POWER
) {
94 /* make firmware to exit PS mode */
95 lbs_pr_debug(1, "Disconnected, so exit PS mode.\n");
96 libertas_ps_wakeup(priv
, 0);
101 * @brief This function handles MIC failure event.
103 * @param priv A pointer to wlan_private structure
104 * @para event the event id
107 static void handle_mic_failureevent(wlan_private
* priv
, u32 event
)
111 memset(buf
, 0, sizeof(buf
));
113 sprintf(buf
, "%s", "MLME-MICHAELMICFAILURE.indication ");
115 if (event
== MACREG_INT_CODE_MIC_ERR_UNICAST
) {
116 strcat(buf
, "unicast ");
118 strcat(buf
, "multicast ");
121 libertas_send_iwevcustom_event(priv
, buf
);
124 static int wlan_ret_reg_access(wlan_private
* priv
,
125 u16 type
, struct cmd_ds_command
*resp
)
127 wlan_adapter
*adapter
= priv
->adapter
;
132 case cmd_ret_mac_reg_access
:
134 struct cmd_ds_mac_reg_access
*reg
;
137 (struct cmd_ds_mac_reg_access
*)&resp
->params
.
140 adapter
->offsetvalue
.offset
= reg
->offset
;
141 adapter
->offsetvalue
.value
= reg
->value
;
145 case cmd_ret_bbp_reg_access
:
147 struct cmd_ds_bbp_reg_access
*reg
;
149 (struct cmd_ds_bbp_reg_access
*)&resp
->params
.
152 adapter
->offsetvalue
.offset
= reg
->offset
;
153 adapter
->offsetvalue
.value
= reg
->value
;
157 case cmd_ret_rf_reg_access
:
159 struct cmd_ds_rf_reg_access
*reg
;
161 (struct cmd_ds_rf_reg_access
*)&resp
->params
.
164 adapter
->offsetvalue
.offset
= reg
->offset
;
165 adapter
->offsetvalue
.value
= reg
->value
;
178 static int wlan_ret_get_hw_spec(wlan_private
* priv
,
179 struct cmd_ds_command
*resp
)
182 struct cmd_ds_get_hw_spec
*hwspec
= &resp
->params
.hwspec
;
183 wlan_adapter
*adapter
= priv
->adapter
;
188 adapter
->fwcapinfo
= le32_to_cpu(hwspec
->fwcapinfo
);
190 adapter
->fwreleasenumber
= hwspec
->fwreleasenumber
;
192 lbs_pr_debug(1, "GET_HW_SPEC: FWReleaseVersion- 0x%X\n",
193 adapter
->fwreleasenumber
);
194 lbs_pr_debug(1, "GET_HW_SPEC: Permanent addr- %2x:%2x:%2x:%2x:%2x:%2x\n",
195 hwspec
->permanentaddr
[0], hwspec
->permanentaddr
[1],
196 hwspec
->permanentaddr
[2], hwspec
->permanentaddr
[3],
197 hwspec
->permanentaddr
[4], hwspec
->permanentaddr
[5]);
198 lbs_pr_debug(1, "GET_HW_SPEC: hwifversion=0x%X version=0x%X\n",
199 hwspec
->hwifversion
, hwspec
->version
);
201 adapter
->regioncode
= le16_to_cpu(hwspec
->regioncode
);
203 for (i
= 0; i
< MRVDRV_MAX_REGION_CODE
; i
++) {
204 /* use the region code to search for the index */
205 if (adapter
->regioncode
== libertas_region_code_to_index
[i
]) {
206 adapter
->regiontableindex
= (u16
) i
;
211 /* if it's unidentified region code, use the default (USA) */
212 if (i
>= MRVDRV_MAX_REGION_CODE
) {
213 adapter
->regioncode
= 0x10;
214 adapter
->regiontableindex
= 0;
216 "unidentified region code, use the default (USA)\n");
219 if (adapter
->current_addr
[0] == 0xff) {
220 memmove(adapter
->current_addr
, hwspec
->permanentaddr
,
224 memcpy(priv
->wlan_dev
.netdev
->dev_addr
, adapter
->current_addr
, ETH_ALEN
);
225 memcpy(priv
->mesh_dev
->dev_addr
, adapter
->current_addr
, ETH_ALEN
);
227 if (libertas_set_regiontable(priv
, adapter
->regioncode
, 0)) {
232 if (libertas_set_universaltable(priv
, 0)) {
242 static int wlan_ret_802_11_sleep_params(wlan_private
* priv
,
243 struct cmd_ds_command
*resp
)
245 struct cmd_ds_802_11_sleep_params
*sp
= &resp
->params
.sleep_params
;
246 wlan_adapter
*adapter
= priv
->adapter
;
250 lbs_pr_debug(1, "error=%x offset=%x stabletime=%x calcontrol=%x\n"
251 " extsleepclk=%x\n", sp
->error
, sp
->offset
,
252 sp
->stabletime
, sp
->calcontrol
, sp
->externalsleepclk
);
253 adapter
->sp
.sp_error
= le16_to_cpu(sp
->error
);
254 adapter
->sp
.sp_offset
= le16_to_cpu(sp
->offset
);
255 adapter
->sp
.sp_stabletime
= le16_to_cpu(sp
->stabletime
);
256 adapter
->sp
.sp_calcontrol
= le16_to_cpu(sp
->calcontrol
);
257 adapter
->sp
.sp_extsleepclk
= le16_to_cpu(sp
->externalsleepclk
);
258 adapter
->sp
.sp_reserved
= le16_to_cpu(sp
->reserved
);
264 static int wlan_ret_802_11_stat(wlan_private
* priv
,
265 struct cmd_ds_command
*resp
)
267 /* currently adapter->wlan802_11Stat is unused
269 struct cmd_ds_802_11_get_stat *p11Stat = &resp->params.gstat;
270 wlan_adapter *adapter = priv->adapter;
272 // TODO Convert it to Big endian befor copy
273 memcpy(&adapter->wlan802_11Stat,
274 p11Stat, sizeof(struct cmd_ds_802_11_get_stat));
279 static int wlan_ret_802_11_snmp_mib(wlan_private
* priv
,
280 struct cmd_ds_command
*resp
)
282 struct cmd_ds_802_11_snmp_mib
*smib
= &resp
->params
.smib
;
283 u16 oid
= le16_to_cpu(smib
->oid
);
284 u16 querytype
= le16_to_cpu(smib
->querytype
);
288 lbs_pr_debug(1, "SNMP_RESP: value of the oid = %x, querytype=%x\n", oid
,
290 lbs_pr_debug(1, "SNMP_RESP: Buf size = %x\n",
291 le16_to_cpu(smib
->bufsize
));
293 if (querytype
== cmd_act_get
) {
296 priv
->adapter
->fragthsd
=
298 ((unsigned short *)(smib
->value
)));
299 lbs_pr_debug(1, "SNMP_RESP: fragthsd =%u\n",
300 priv
->adapter
->fragthsd
);
303 priv
->adapter
->rtsthsd
=
305 ((unsigned short *)(smib
->value
)));
306 lbs_pr_debug(1, "SNMP_RESP: rtsthsd =%u\n",
307 priv
->adapter
->rtsthsd
);
309 case short_retrylim_i
:
310 priv
->adapter
->txretrycount
=
312 ((unsigned short *)(smib
->value
)));
313 lbs_pr_debug(1, "SNMP_RESP: txretrycount =%u\n",
314 priv
->adapter
->rtsthsd
);
325 static int wlan_ret_802_11_key_material(wlan_private
* priv
,
326 struct cmd_ds_command
*resp
)
328 struct cmd_ds_802_11_key_material
*pkeymaterial
=
329 &resp
->params
.keymaterial
;
330 wlan_adapter
*adapter
= priv
->adapter
;
331 u16 action
= le16_to_cpu(pkeymaterial
->action
);
335 /* Copy the returned key to driver private data */
336 if (action
== cmd_act_get
) {
337 u8
* buf_ptr
= (u8
*) &pkeymaterial
->keyParamSet
;
338 u8
* resp_end
= (u8
*) (resp
+ le16_to_cpu(resp
->size
));
340 while (buf_ptr
< resp_end
) {
341 struct MrvlIEtype_keyParamSet
* pkeyparamset
=
342 (struct MrvlIEtype_keyParamSet
*) buf_ptr
;
343 struct WLAN_802_11_KEY
* pkey
;
344 u16 key_info
= le16_to_cpu(pkeyparamset
->keyinfo
);
345 u16 param_set_len
= le16_to_cpu(pkeyparamset
->length
);
347 u16 key_len
= le16_to_cpu(pkeyparamset
->keylen
);
349 end
= (u8
*) pkeyparamset
+ sizeof (pkeyparamset
->type
)
350 + sizeof (pkeyparamset
->length
)
352 /* Make sure we don't access past the end of the IEs */
356 if (key_info
& KEY_INFO_WPA_UNICAST
)
357 pkey
= &adapter
->wpa_unicast_key
;
358 else if (key_info
& KEY_INFO_WPA_MCAST
)
359 pkey
= &adapter
->wpa_mcast_key
;
363 /* Copy returned key into driver */
364 memset(pkey
, 0, sizeof(struct WLAN_802_11_KEY
));
365 if (key_len
> sizeof(pkey
->key
))
367 pkey
->type
= le16_to_cpu(pkeyparamset
->keytypeid
);
368 pkey
->flags
= le16_to_cpu(pkeyparamset
->keyinfo
);
369 pkey
->len
= le16_to_cpu(pkeyparamset
->keylen
);
370 memcpy(pkey
->key
, pkeyparamset
->key
, pkey
->len
);
380 static int wlan_ret_802_11_mac_address(wlan_private
* priv
,
381 struct cmd_ds_command
*resp
)
383 struct cmd_ds_802_11_mac_address
*macadd
= &resp
->params
.macadd
;
384 wlan_adapter
*adapter
= priv
->adapter
;
388 memcpy(adapter
->current_addr
, macadd
->macadd
, ETH_ALEN
);
394 static int wlan_ret_802_11_rf_tx_power(wlan_private
* priv
,
395 struct cmd_ds_command
*resp
)
397 struct cmd_ds_802_11_rf_tx_power
*rtp
= &resp
->params
.txp
;
398 wlan_adapter
*adapter
= priv
->adapter
;
402 adapter
->txpowerlevel
= le16_to_cpu(rtp
->currentlevel
);
404 lbs_pr_debug(1, "Current TxPower Level = %d\n", adapter
->txpowerlevel
);
410 static int wlan_ret_802_11_rf_antenna(wlan_private
* priv
,
411 struct cmd_ds_command
*resp
)
413 struct cmd_ds_802_11_rf_antenna
*pAntenna
= &resp
->params
.rant
;
414 wlan_adapter
*adapter
= priv
->adapter
;
415 u16 action
= le16_to_cpu(pAntenna
->action
);
417 if (action
== cmd_act_get_rx
)
418 adapter
->rxantennamode
=
419 le16_to_cpu(pAntenna
->antennamode
);
421 if (action
== cmd_act_get_tx
)
422 adapter
->txantennamode
=
423 le16_to_cpu(pAntenna
->antennamode
);
425 lbs_pr_debug(1, "RF_ANT_RESP: action = 0x%x, mode = 0x%04x\n",
426 action
, le16_to_cpu(pAntenna
->antennamode
));
431 static int wlan_ret_802_11_rate_adapt_rateset(wlan_private
* priv
,
432 struct cmd_ds_command
*resp
)
434 struct cmd_ds_802_11_rate_adapt_rateset
*rates
=
435 &resp
->params
.rateset
;
436 wlan_adapter
*adapter
= priv
->adapter
;
440 if (rates
->action
== cmd_act_get
) {
441 adapter
->enablehwauto
= rates
->enablehwauto
;
442 adapter
->ratebitmap
= rates
->bitmap
;
450 static int wlan_ret_802_11_data_rate(wlan_private
* priv
,
451 struct cmd_ds_command
*resp
)
453 struct cmd_ds_802_11_data_rate
*pdatarate
= &resp
->params
.drate
;
454 wlan_adapter
*adapter
= priv
->adapter
;
459 lbs_dbg_hex("DATA_RATE_RESP: data_rate- ",
460 (u8
*) pdatarate
, sizeof(struct cmd_ds_802_11_data_rate
));
462 dot11datarate
= pdatarate
->datarate
[0];
463 if (pdatarate
->action
== cmd_act_get_tx_rate
) {
464 memcpy(adapter
->libertas_supported_rates
, pdatarate
->datarate
,
465 sizeof(adapter
->libertas_supported_rates
));
467 adapter
->datarate
= libertas_index_to_data_rate(dot11datarate
);
473 static int wlan_ret_802_11_rf_channel(wlan_private
* priv
,
474 struct cmd_ds_command
*resp
)
476 struct cmd_ds_802_11_rf_channel
*rfchannel
=
477 &resp
->params
.rfchannel
;
478 wlan_adapter
*adapter
= priv
->adapter
;
479 u16 action
= le16_to_cpu(rfchannel
->action
);
480 u16 newchannel
= le16_to_cpu(rfchannel
->currentchannel
);
484 if (action
== cmd_opt_802_11_rf_channel_get
485 && adapter
->curbssparams
.channel
!= newchannel
) {
486 lbs_pr_debug(1, "channel Switch: %d to %d\n",
487 adapter
->curbssparams
.channel
, newchannel
);
489 /* Update the channel again */
490 adapter
->curbssparams
.channel
= newchannel
;
497 static int wlan_ret_802_11_rssi(wlan_private
* priv
,
498 struct cmd_ds_command
*resp
)
500 struct cmd_ds_802_11_rssi_rsp
*rssirsp
= &resp
->params
.rssirsp
;
501 wlan_adapter
*adapter
= priv
->adapter
;
503 /* store the non average value */
504 adapter
->SNR
[TYPE_BEACON
][TYPE_NOAVG
] = le16_to_cpu(rssirsp
->SNR
);
505 adapter
->NF
[TYPE_BEACON
][TYPE_NOAVG
] =
506 le16_to_cpu(rssirsp
->noisefloor
);
508 adapter
->SNR
[TYPE_BEACON
][TYPE_AVG
] = le16_to_cpu(rssirsp
->avgSNR
);
509 adapter
->NF
[TYPE_BEACON
][TYPE_AVG
] =
510 le16_to_cpu(rssirsp
->avgnoisefloor
);
512 adapter
->RSSI
[TYPE_BEACON
][TYPE_NOAVG
] =
513 CAL_RSSI(adapter
->SNR
[TYPE_BEACON
][TYPE_NOAVG
],
514 adapter
->NF
[TYPE_BEACON
][TYPE_NOAVG
]);
516 adapter
->RSSI
[TYPE_BEACON
][TYPE_AVG
] =
517 CAL_RSSI(adapter
->SNR
[TYPE_BEACON
][TYPE_AVG
] / AVG_SCALE
,
518 adapter
->NF
[TYPE_BEACON
][TYPE_AVG
] / AVG_SCALE
);
520 lbs_pr_debug(1, "Beacon RSSI value = 0x%x\n",
521 adapter
->RSSI
[TYPE_BEACON
][TYPE_AVG
]);
526 static int wlan_ret_802_11_eeprom_access(wlan_private
* priv
,
527 struct cmd_ds_command
*resp
)
529 wlan_adapter
*adapter
= priv
->adapter
;
530 struct wlan_ioctl_regrdwr
*pbuf
;
531 pbuf
= (struct wlan_ioctl_regrdwr
*) adapter
->prdeeprom
;
533 lbs_pr_debug(1, "eeprom read len=%x\n",
534 le16_to_cpu(resp
->params
.rdeeprom
.bytecount
));
535 if (pbuf
->NOB
< le16_to_cpu(resp
->params
.rdeeprom
.bytecount
)) {
537 lbs_pr_debug(1, "eeprom read return length is too big\n");
540 pbuf
->NOB
= le16_to_cpu(resp
->params
.rdeeprom
.bytecount
);
543 memcpy(&pbuf
->value
, (u8
*) & resp
->params
.rdeeprom
.value
,
544 le16_to_cpu(resp
->params
.rdeeprom
.bytecount
));
545 lbs_dbg_hex("adapter", (char *)&pbuf
->value
,
546 le16_to_cpu(resp
->params
.rdeeprom
.bytecount
));
551 static int wlan_ret_get_log(wlan_private
* priv
,
552 struct cmd_ds_command
*resp
)
554 struct cmd_ds_802_11_get_log
*logmessage
=
555 (struct cmd_ds_802_11_get_log
*)&resp
->params
.glog
;
556 wlan_adapter
*adapter
= priv
->adapter
;
560 /* TODO Convert it to Big Endian before copy */
561 memcpy(&adapter
->logmsg
, logmessage
,
562 sizeof(struct cmd_ds_802_11_get_log
));
568 static inline int handle_cmd_response(u16 respcmd
,
569 struct cmd_ds_command
*resp
,
574 wlan_adapter
*adapter
= priv
->adapter
;
577 case cmd_ret_mac_reg_access
:
578 case cmd_ret_bbp_reg_access
:
579 case cmd_ret_rf_reg_access
:
580 ret
= wlan_ret_reg_access(priv
, respcmd
, resp
);
583 case cmd_ret_hw_spec_info
:
584 ret
= wlan_ret_get_hw_spec(priv
, resp
);
587 case cmd_ret_802_11_scan
:
588 ret
= libertas_ret_80211_scan(priv
, resp
);
591 case cmd_ret_802_11_get_log
:
592 ret
= wlan_ret_get_log(priv
, resp
);
595 case cmd_ret_802_11_associate
:
596 case cmd_ret_802_11_reassociate
:
597 ret
= libertas_ret_80211_associate(priv
, resp
);
600 case cmd_ret_802_11_disassociate
:
601 case cmd_ret_802_11_deauthenticate
:
602 ret
= libertas_ret_80211_disassociate(priv
, resp
);
605 case cmd_ret_802_11_ad_hoc_start
:
606 case cmd_ret_802_11_ad_hoc_join
:
607 ret
= libertas_ret_80211_ad_hoc_start(priv
, resp
);
610 case cmd_ret_802_11_stat
:
611 ret
= wlan_ret_802_11_stat(priv
, resp
);
614 case cmd_ret_802_11_snmp_mib
:
615 ret
= wlan_ret_802_11_snmp_mib(priv
, resp
);
618 case cmd_ret_802_11_rf_tx_power
:
619 ret
= wlan_ret_802_11_rf_tx_power(priv
, resp
);
622 case cmd_ret_802_11_set_afc
:
623 case cmd_ret_802_11_get_afc
:
624 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
625 memmove(adapter
->cur_cmd
->pdata_buf
,
627 sizeof(struct cmd_ds_802_11_afc
));
628 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
631 case cmd_ret_802_11_rf_antenna
:
632 ret
= wlan_ret_802_11_rf_antenna(priv
, resp
);
635 case cmd_ret_mac_multicast_adr
:
636 case cmd_ret_mac_control
:
637 case cmd_ret_802_11_set_wep
:
638 case cmd_ret_802_11_reset
:
639 case cmd_ret_802_11_authenticate
:
640 case cmd_ret_802_11_radio_control
:
641 case cmd_ret_802_11_beacon_stop
:
642 case cmd_ret_802_11_enable_rsn
:
645 case cmd_ret_802_11_data_rate
:
646 ret
= wlan_ret_802_11_data_rate(priv
, resp
);
648 case cmd_ret_802_11_rate_adapt_rateset
:
649 ret
= wlan_ret_802_11_rate_adapt_rateset(priv
, resp
);
651 case cmd_ret_802_11_rf_channel
:
652 ret
= wlan_ret_802_11_rf_channel(priv
, resp
);
655 case cmd_ret_802_11_rssi
:
656 ret
= wlan_ret_802_11_rssi(priv
, resp
);
659 case cmd_ret_802_11_mac_address
:
660 ret
= wlan_ret_802_11_mac_address(priv
, resp
);
663 case cmd_ret_802_11_ad_hoc_stop
:
664 ret
= libertas_ret_80211_ad_hoc_stop(priv
, resp
);
667 case cmd_ret_802_11_key_material
:
668 lbs_pr_debug(1, "CMD_RESP: KEY_MATERIAL command response\n");
669 ret
= wlan_ret_802_11_key_material(priv
, resp
);
672 case cmd_ret_802_11_eeprom_access
:
673 ret
= wlan_ret_802_11_eeprom_access(priv
, resp
);
676 case cmd_ret_802_11d_domain_info
:
677 ret
= libertas_ret_802_11d_domain_info(priv
, resp
);
680 case cmd_ret_802_11_sleep_params
:
681 ret
= wlan_ret_802_11_sleep_params(priv
, resp
);
683 case cmd_ret_802_11_inactivity_timeout
:
684 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
685 *((u16
*) adapter
->cur_cmd
->pdata_buf
) =
686 le16_to_cpu(resp
->params
.inactivity_timeout
.timeout
);
687 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
690 case cmd_ret_802_11_tpc_cfg
:
691 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
692 memmove(adapter
->cur_cmd
->pdata_buf
,
693 &resp
->params
.tpccfg
,
694 sizeof(struct cmd_ds_802_11_tpc_cfg
));
695 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
697 case cmd_ret_802_11_led_gpio_ctrl
:
698 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
699 memmove(adapter
->cur_cmd
->pdata_buf
,
700 &resp
->params
.ledgpio
,
701 sizeof(struct cmd_ds_802_11_led_ctrl
));
702 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
704 case cmd_ret_802_11_pwr_cfg
:
705 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
706 memmove(adapter
->cur_cmd
->pdata_buf
,
707 &resp
->params
.pwrcfg
,
708 sizeof(struct cmd_ds_802_11_pwr_cfg
));
709 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
713 case cmd_ret_get_tsf
:
714 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
715 memcpy(priv
->adapter
->cur_cmd
->pdata_buf
,
716 &resp
->params
.gettsf
.tsfvalue
, sizeof(u64
));
717 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
719 case cmd_ret_bt_access
:
720 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
721 if (adapter
->cur_cmd
->pdata_buf
)
722 memcpy(adapter
->cur_cmd
->pdata_buf
,
723 &resp
->params
.bt
.addr1
, 2 * ETH_ALEN
);
724 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
726 case cmd_ret_fwt_access
:
727 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
728 if (adapter
->cur_cmd
->pdata_buf
)
729 memcpy(adapter
->cur_cmd
->pdata_buf
,
731 sizeof(resp
->params
.fwt
));
732 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
734 case cmd_ret_mesh_access
:
735 if (adapter
->cur_cmd
->pdata_buf
)
736 memcpy(adapter
->cur_cmd
->pdata_buf
,
738 sizeof(resp
->params
.mesh
));
740 case cmd_rte_802_11_tx_rate_query
:
741 priv
->adapter
->txrate
= resp
->params
.txrate
.txrate
;
744 lbs_pr_debug(1, "CMD_RESP: Unknown command response %#x\n",
751 int libertas_process_rx_command(wlan_private
* priv
)
754 struct cmd_ds_command
*resp
;
755 wlan_adapter
*adapter
= priv
->adapter
;
762 lbs_pr_debug(1, "CMD_RESP: @ %lu\n", jiffies
);
764 /* Now we got response from FW, cancel the command timer */
765 del_timer(&adapter
->command_timer
);
767 mutex_lock(&adapter
->lock
);
768 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
770 if (!adapter
->cur_cmd
) {
771 lbs_pr_debug(1, "CMD_RESP: NULL cur_cmd=%p\n", adapter
->cur_cmd
);
773 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
776 resp
= (struct cmd_ds_command
*)(adapter
->cur_cmd
->bufvirtualaddr
);
778 lbs_dbg_hex("CMD_RESP:", adapter
->cur_cmd
->bufvirtualaddr
,
779 priv
->wlan_dev
.upld_len
);
781 respcmd
= le16_to_cpu(resp
->command
);
783 result
= le16_to_cpu(resp
->result
);
785 lbs_pr_debug(1, "CMD_RESP: %x result: %d length: %d\n", respcmd
,
786 result
, priv
->wlan_dev
.upld_len
);
788 if (!(respcmd
& 0x8000)) {
789 lbs_pr_debug(1, "Invalid response to command!");
790 adapter
->cur_cmd_retcode
= -1;
791 __libertas_cleanup_and_insert_cmd(priv
, adapter
->cur_cmd
);
792 adapter
->nr_cmd_pending
--;
793 adapter
->cur_cmd
= NULL
;
794 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
799 /* Store the response code to cur_cmd_retcode. */
800 adapter
->cur_cmd_retcode
= le16_to_cpu(resp
->result
);
802 if (respcmd
== cmd_ret_802_11_ps_mode
) {
803 struct cmd_ds_802_11_ps_mode
*psmode
;
805 psmode
= &resp
->params
.psmode
;
807 "CMD_RESP: PS_MODE cmd reply result=%#x action=0x%X\n",
808 resp
->result
, psmode
->action
);
809 psmode
->action
= cpu_to_le16(psmode
->action
);
812 lbs_pr_debug(1, "CMD_RESP: PS command failed- %#x \n",
814 if (adapter
->inframode
== wlan802_11ibss
) {
816 * We should not re-try enter-ps command in
817 * ad-hoc mode. It takes place in
818 * libertas_execute_next_command().
820 if (psmode
->action
== cmd_subcmd_enter_ps
)
822 wlan802_11powermodecam
;
824 } else if (psmode
->action
== cmd_subcmd_enter_ps
) {
825 adapter
->needtowakeup
= 0;
826 adapter
->psstate
= PS_STATE_AWAKE
;
828 lbs_pr_debug(1, "CMD_RESP: Enter_PS command response\n");
829 if (adapter
->connect_status
!= libertas_connected
) {
831 * When Deauth Event received before Enter_PS command
832 * response, We need to wake up the firmware.
835 "Disconnected, Going to invoke libertas_ps_wakeup\n");
837 mutex_unlock(&adapter
->lock
);
838 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
839 libertas_ps_wakeup(priv
, 0);
840 mutex_lock(&adapter
->lock
);
841 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
843 } else if (psmode
->action
== cmd_subcmd_exit_ps
) {
844 adapter
->needtowakeup
= 0;
845 adapter
->psstate
= PS_STATE_FULL_POWER
;
846 lbs_pr_debug(1, "CMD_RESP: Exit_PS command response\n");
848 lbs_pr_debug(1, "CMD_RESP: PS- action=0x%X\n",
852 __libertas_cleanup_and_insert_cmd(priv
, adapter
->cur_cmd
);
853 adapter
->nr_cmd_pending
--;
854 adapter
->cur_cmd
= NULL
;
855 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
861 if (adapter
->cur_cmd
->cmdflags
& CMD_F_HOSTCMD
) {
862 /* Copy the response back to response buffer */
863 memcpy(adapter
->cur_cmd
->pdata_buf
, resp
, resp
->size
);
865 adapter
->cur_cmd
->cmdflags
&= ~CMD_F_HOSTCMD
;
868 /* If the command is not successful, cleanup and return failure */
869 if ((result
!= 0 || !(respcmd
& 0x8000))) {
870 lbs_pr_debug(1, "CMD_RESP: command reply %#x result=%#x\n",
871 resp
->command
, resp
->result
);
873 * Handling errors here
876 case cmd_ret_hw_spec_info
:
877 case cmd_ret_802_11_reset
:
878 lbs_pr_debug(1, "CMD_RESP: Reset command failed\n");
883 __libertas_cleanup_and_insert_cmd(priv
, adapter
->cur_cmd
);
884 adapter
->nr_cmd_pending
--;
885 adapter
->cur_cmd
= NULL
;
886 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
892 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
894 ret
= handle_cmd_response(respcmd
, resp
, priv
);
896 spin_lock_irqsave(&adapter
->driver_lock
, flags
);
897 if (adapter
->cur_cmd
) {
898 /* Clean up and Put current command back to cmdfreeq */
899 __libertas_cleanup_and_insert_cmd(priv
, adapter
->cur_cmd
);
900 adapter
->nr_cmd_pending
--;
901 WARN_ON(adapter
->nr_cmd_pending
> 128);
902 adapter
->cur_cmd
= NULL
;
904 spin_unlock_irqrestore(&adapter
->driver_lock
, flags
);
907 mutex_unlock(&adapter
->lock
);
912 int libertas_process_event(wlan_private
* priv
)
915 wlan_adapter
*adapter
= priv
->adapter
;
918 spin_lock_irq(&adapter
->driver_lock
);
919 eventcause
= adapter
->eventcause
;
920 spin_unlock_irq(&adapter
->driver_lock
);
924 lbs_pr_debug(1, "EVENT Cause %x\n", eventcause
);
926 switch (eventcause
>> SBI_EVENT_CAUSE_SHIFT
) {
927 case MACREG_INT_CODE_LINK_SENSED
:
928 lbs_pr_debug(1, "EVENT: MACREG_INT_CODE_LINK_SENSED\n");
931 case MACREG_INT_CODE_DEAUTHENTICATED
:
932 lbs_pr_debug(1, "EVENT: Deauthenticated\n");
933 libertas_mac_event_disconnected(priv
);
936 case MACREG_INT_CODE_DISASSOCIATED
:
937 lbs_pr_debug(1, "EVENT: Disassociated\n");
938 libertas_mac_event_disconnected(priv
);
941 case MACREG_INT_CODE_LINK_LOSE_NO_SCAN
:
942 lbs_pr_debug(1, "EVENT: Link lost\n");
943 libertas_mac_event_disconnected(priv
);
946 case MACREG_INT_CODE_PS_SLEEP
:
947 lbs_pr_debug(1, "EVENT: SLEEP\n");
948 lbs_pr_debug(1, "_");
950 /* handle unexpected PS SLEEP event */
951 if (adapter
->psstate
== PS_STATE_FULL_POWER
) {
953 "EVENT: In FULL POWER mode - ignore PS SLEEP\n");
956 adapter
->psstate
= PS_STATE_PRE_SLEEP
;
958 libertas_ps_confirm_sleep(priv
, (u16
) adapter
->psmode
);
962 case MACREG_INT_CODE_PS_AWAKE
:
963 lbs_pr_debug(1, "EVENT: AWAKE \n");
964 lbs_pr_debug(1, "|");
966 /* handle unexpected PS AWAKE event */
967 if (adapter
->psstate
== PS_STATE_FULL_POWER
) {
969 "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
973 adapter
->psstate
= PS_STATE_AWAKE
;
975 if (adapter
->needtowakeup
) {
977 * wait for the command processing to finish
978 * before resuming sending
979 * adapter->needtowakeup will be set to FALSE
980 * in libertas_ps_wakeup()
982 lbs_pr_debug(1, "Waking up...\n");
983 libertas_ps_wakeup(priv
, 0);
987 case MACREG_INT_CODE_MIC_ERR_UNICAST
:
988 lbs_pr_debug(1, "EVENT: UNICAST MIC ERROR\n");
989 handle_mic_failureevent(priv
, MACREG_INT_CODE_MIC_ERR_UNICAST
);
992 case MACREG_INT_CODE_MIC_ERR_MULTICAST
:
993 lbs_pr_debug(1, "EVENT: MULTICAST MIC ERROR\n");
994 handle_mic_failureevent(priv
, MACREG_INT_CODE_MIC_ERR_MULTICAST
);
996 case MACREG_INT_CODE_MIB_CHANGED
:
997 case MACREG_INT_CODE_INIT_DONE
:
1000 case MACREG_INT_CODE_ADHOC_BCN_LOST
:
1001 lbs_pr_debug(1, "EVENT: HWAC - ADHOC BCN LOST\n");
1004 case MACREG_INT_CODE_RSSI_LOW
:
1005 lbs_pr_alert( "EVENT: RSSI_LOW\n");
1007 case MACREG_INT_CODE_SNR_LOW
:
1008 lbs_pr_alert( "EVENT: SNR_LOW\n");
1010 case MACREG_INT_CODE_MAX_FAIL
:
1011 lbs_pr_alert( "EVENT: MAX_FAIL\n");
1013 case MACREG_INT_CODE_RSSI_HIGH
:
1014 lbs_pr_alert( "EVENT: RSSI_HIGH\n");
1016 case MACREG_INT_CODE_SNR_HIGH
:
1017 lbs_pr_alert( "EVENT: SNR_HIGH\n");
1021 lbs_pr_alert( "EVENT: unknown event id: %#x\n",
1022 eventcause
>> SBI_EVENT_CAUSE_SHIFT
);
1026 spin_lock_irq(&adapter
->driver_lock
);
1027 adapter
->eventcause
= 0;
1028 spin_unlock_irq(&adapter
->driver_lock
);