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_deb_cmd("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_deb_cmd("Current SSID=%s, ssid length=%u\n",
66 adapter->curbssparams.ssid.ssid,
67 adapter->curbssparams.ssid.ssidlength);
68 lbs_deb_cmd("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_deb_cmd("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)
126 wlan_adapter *adapter = priv->adapter;
128 lbs_deb_enter(LBS_DEB_CMD);
131 case cmd_ret_mac_reg_access:
133 struct cmd_ds_mac_reg_access *reg;
136 (struct cmd_ds_mac_reg_access *)&resp->params.
139 adapter->offsetvalue.offset = reg->offset;
140 adapter->offsetvalue.value = reg->value;
144 case cmd_ret_bbp_reg_access:
146 struct cmd_ds_bbp_reg_access *reg;
148 (struct cmd_ds_bbp_reg_access *)&resp->params.
151 adapter->offsetvalue.offset = reg->offset;
152 adapter->offsetvalue.value = reg->value;
156 case cmd_ret_rf_reg_access:
158 struct cmd_ds_rf_reg_access *reg;
160 (struct cmd_ds_rf_reg_access *)&resp->params.
163 adapter->offsetvalue.offset = reg->offset;
164 adapter->offsetvalue.value = reg->value;
172 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
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;
184 lbs_deb_enter(LBS_DEB_CMD);
186 adapter->fwcapinfo = le32_to_cpu(hwspec->fwcapinfo);
188 adapter->fwreleasenumber = hwspec->fwreleasenumber;
190 lbs_deb_cmd("GET_HW_SPEC: FWReleaseVersion- 0x%X\n",
191 adapter->fwreleasenumber);
192 lbs_deb_cmd("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_deb_cmd("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);
224 memcpy(priv->mesh_dev->dev_addr, adapter->current_addr,
227 if (libertas_set_regiontable(priv, adapter->regioncode, 0)) {
232 if (libertas_set_universaltable(priv, 0)) {
238 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
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;
248 lbs_deb_enter(LBS_DEB_CMD);
250 lbs_deb_cmd("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);
260 lbs_deb_enter(LBS_DEB_CMD);
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);
286 lbs_deb_enter(LBS_DEB_CMD);
288 lbs_deb_cmd("SNMP_RESP: value of the oid = %x, querytype=%x\n", oid,
290 lbs_deb_cmd("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_deb_cmd("SNMP_RESP: fragthsd =%u\n",
300 priv->adapter->fragthsd);
303 priv->adapter->rtsthsd =
305 ((unsigned short *)(smib->value)));
306 lbs_deb_cmd("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_deb_cmd("SNMP_RESP: txretrycount =%u\n",
314 priv->adapter->rtsthsd);
321 lbs_deb_enter(LBS_DEB_CMD);
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);
333 lbs_deb_enter(LBS_DEB_CMD);
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);
376 lbs_deb_enter(LBS_DEB_CMD);
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;
386 lbs_deb_enter(LBS_DEB_CMD);
388 memcpy(adapter->current_addr, macadd->macadd, ETH_ALEN);
390 lbs_deb_enter(LBS_DEB_CMD);
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;
400 lbs_deb_enter(LBS_DEB_CMD);
402 adapter->txpowerlevel = le16_to_cpu(rtp->currentlevel);
404 lbs_deb_cmd("Current TxPower Level = %d\n", adapter->txpowerlevel);
406 lbs_deb_enter(LBS_DEB_CMD);
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_deb_cmd("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;
438 lbs_deb_enter(LBS_DEB_CMD);
440 if (rates->action == cmd_act_get) {
441 adapter->enablehwauto = rates->enablehwauto;
442 adapter->ratebitmap = rates->bitmap;
445 lbs_deb_enter(LBS_DEB_CMD);
449 static int wlan_ret_802_11_data_rate(wlan_private * priv,
450 struct cmd_ds_command *resp)
452 struct cmd_ds_802_11_data_rate *pdatarate = &resp->params.drate;
453 wlan_adapter *adapter = priv->adapter;
456 lbs_deb_enter(LBS_DEB_CMD);
458 lbs_dbg_hex("DATA_RATE_RESP: data_rate- ",
459 (u8 *) pdatarate, sizeof(struct cmd_ds_802_11_data_rate));
461 dot11datarate = pdatarate->datarate[0];
462 if (pdatarate->action == cmd_act_get_tx_rate) {
463 memcpy(adapter->libertas_supported_rates, pdatarate->datarate,
464 sizeof(adapter->libertas_supported_rates));
466 adapter->datarate = libertas_index_to_data_rate(dot11datarate);
468 lbs_deb_enter(LBS_DEB_CMD);
472 static int wlan_ret_802_11_rf_channel(wlan_private * priv,
473 struct cmd_ds_command *resp)
475 struct cmd_ds_802_11_rf_channel *rfchannel =
476 &resp->params.rfchannel;
477 wlan_adapter *adapter = priv->adapter;
478 u16 action = le16_to_cpu(rfchannel->action);
479 u16 newchannel = le16_to_cpu(rfchannel->currentchannel);
481 lbs_deb_enter(LBS_DEB_CMD);
483 if (action == cmd_opt_802_11_rf_channel_get
484 && adapter->curbssparams.channel != newchannel) {
485 lbs_deb_cmd("channel Switch: %d to %d\n",
486 adapter->curbssparams.channel, newchannel);
488 /* Update the channel again */
489 adapter->curbssparams.channel = newchannel;
492 lbs_deb_enter(LBS_DEB_CMD);
496 static int wlan_ret_802_11_rssi(wlan_private * priv,
497 struct cmd_ds_command *resp)
499 struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
500 wlan_adapter *adapter = priv->adapter;
502 /* store the non average value */
503 adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
504 adapter->NF[TYPE_BEACON][TYPE_NOAVG] =
505 le16_to_cpu(rssirsp->noisefloor);
507 adapter->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
508 adapter->NF[TYPE_BEACON][TYPE_AVG] =
509 le16_to_cpu(rssirsp->avgnoisefloor);
511 adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] =
512 CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG],
513 adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
515 adapter->RSSI[TYPE_BEACON][TYPE_AVG] =
516 CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
517 adapter->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
519 lbs_deb_cmd("Beacon RSSI value = 0x%x\n",
520 adapter->RSSI[TYPE_BEACON][TYPE_AVG]);
525 static int wlan_ret_802_11_eeprom_access(wlan_private * priv,
526 struct cmd_ds_command *resp)
528 wlan_adapter *adapter = priv->adapter;
529 struct wlan_ioctl_regrdwr *pbuf;
530 pbuf = (struct wlan_ioctl_regrdwr *) adapter->prdeeprom;
532 lbs_deb_cmd("eeprom read len=%x\n",
533 le16_to_cpu(resp->params.rdeeprom.bytecount));
534 if (pbuf->NOB < le16_to_cpu(resp->params.rdeeprom.bytecount)) {
536 lbs_deb_cmd("eeprom read return length is too big\n");
539 pbuf->NOB = le16_to_cpu(resp->params.rdeeprom.bytecount);
542 memcpy(&pbuf->value, (u8 *) & resp->params.rdeeprom.value,
543 le16_to_cpu(resp->params.rdeeprom.bytecount));
544 lbs_dbg_hex("adapter", (char *)&pbuf->value,
545 le16_to_cpu(resp->params.rdeeprom.bytecount));
550 static int wlan_ret_get_log(wlan_private * priv,
551 struct cmd_ds_command *resp)
553 struct cmd_ds_802_11_get_log *logmessage =
554 (struct cmd_ds_802_11_get_log *)&resp->params.glog;
555 wlan_adapter *adapter = priv->adapter;
557 lbs_deb_enter(LBS_DEB_CMD);
559 /* TODO Convert it to Big Endian before copy */
560 memcpy(&adapter->logmsg, logmessage,
561 sizeof(struct cmd_ds_802_11_get_log));
563 lbs_deb_enter(LBS_DEB_CMD);
567 static inline int handle_cmd_response(u16 respcmd,
568 struct cmd_ds_command *resp,
573 wlan_adapter *adapter = priv->adapter;
576 case cmd_ret_mac_reg_access:
577 case cmd_ret_bbp_reg_access:
578 case cmd_ret_rf_reg_access:
579 ret = wlan_ret_reg_access(priv, respcmd, resp);
582 case cmd_ret_hw_spec_info:
583 ret = wlan_ret_get_hw_spec(priv, resp);
586 case cmd_ret_802_11_scan:
587 ret = libertas_ret_80211_scan(priv, resp);
590 case cmd_ret_802_11_get_log:
591 ret = wlan_ret_get_log(priv, resp);
594 case cmd_ret_802_11_associate:
595 case cmd_ret_802_11_reassociate:
596 ret = libertas_ret_80211_associate(priv, resp);
599 case cmd_ret_802_11_disassociate:
600 case cmd_ret_802_11_deauthenticate:
601 ret = libertas_ret_80211_disassociate(priv, resp);
604 case cmd_ret_802_11_ad_hoc_start:
605 case cmd_ret_802_11_ad_hoc_join:
606 ret = libertas_ret_80211_ad_hoc_start(priv, resp);
609 case cmd_ret_802_11_stat:
610 ret = wlan_ret_802_11_stat(priv, resp);
613 case cmd_ret_802_11_snmp_mib:
614 ret = wlan_ret_802_11_snmp_mib(priv, resp);
617 case cmd_ret_802_11_rf_tx_power:
618 ret = wlan_ret_802_11_rf_tx_power(priv, resp);
621 case cmd_ret_802_11_set_afc:
622 case cmd_ret_802_11_get_afc:
623 spin_lock_irqsave(&adapter->driver_lock, flags);
624 memmove(adapter->cur_cmd->pdata_buf,
626 sizeof(struct cmd_ds_802_11_afc));
627 spin_unlock_irqrestore(&adapter->driver_lock, flags);
630 case cmd_ret_802_11_rf_antenna:
631 ret = wlan_ret_802_11_rf_antenna(priv, resp);
634 case cmd_ret_mac_multicast_adr:
635 case cmd_ret_mac_control:
636 case cmd_ret_802_11_set_wep:
637 case cmd_ret_802_11_reset:
638 case cmd_ret_802_11_authenticate:
639 case cmd_ret_802_11_radio_control:
640 case cmd_ret_802_11_beacon_stop:
641 case cmd_ret_802_11_enable_rsn:
644 case cmd_ret_802_11_data_rate:
645 ret = wlan_ret_802_11_data_rate(priv, resp);
647 case cmd_ret_802_11_rate_adapt_rateset:
648 ret = wlan_ret_802_11_rate_adapt_rateset(priv, resp);
650 case cmd_ret_802_11_rf_channel:
651 ret = wlan_ret_802_11_rf_channel(priv, resp);
654 case cmd_ret_802_11_rssi:
655 ret = wlan_ret_802_11_rssi(priv, resp);
658 case cmd_ret_802_11_mac_address:
659 ret = wlan_ret_802_11_mac_address(priv, resp);
662 case cmd_ret_802_11_ad_hoc_stop:
663 ret = libertas_ret_80211_ad_hoc_stop(priv, resp);
666 case cmd_ret_802_11_key_material:
667 lbs_deb_cmd("CMD_RESP: KEY_MATERIAL command response\n");
668 ret = wlan_ret_802_11_key_material(priv, resp);
671 case cmd_ret_802_11_eeprom_access:
672 ret = wlan_ret_802_11_eeprom_access(priv, resp);
675 case cmd_ret_802_11d_domain_info:
676 ret = libertas_ret_802_11d_domain_info(priv, resp);
679 case cmd_ret_802_11_sleep_params:
680 ret = wlan_ret_802_11_sleep_params(priv, resp);
682 case cmd_ret_802_11_inactivity_timeout:
683 spin_lock_irqsave(&adapter->driver_lock, flags);
684 *((u16 *) adapter->cur_cmd->pdata_buf) =
685 le16_to_cpu(resp->params.inactivity_timeout.timeout);
686 spin_unlock_irqrestore(&adapter->driver_lock, flags);
689 case cmd_ret_802_11_tpc_cfg:
690 spin_lock_irqsave(&adapter->driver_lock, flags);
691 memmove(adapter->cur_cmd->pdata_buf,
692 &resp->params.tpccfg,
693 sizeof(struct cmd_ds_802_11_tpc_cfg));
694 spin_unlock_irqrestore(&adapter->driver_lock, flags);
696 case cmd_ret_802_11_led_gpio_ctrl:
697 spin_lock_irqsave(&adapter->driver_lock, flags);
698 memmove(adapter->cur_cmd->pdata_buf,
699 &resp->params.ledgpio,
700 sizeof(struct cmd_ds_802_11_led_ctrl));
701 spin_unlock_irqrestore(&adapter->driver_lock, flags);
703 case cmd_ret_802_11_pwr_cfg:
704 spin_lock_irqsave(&adapter->driver_lock, flags);
705 memmove(adapter->cur_cmd->pdata_buf,
706 &resp->params.pwrcfg,
707 sizeof(struct cmd_ds_802_11_pwr_cfg));
708 spin_unlock_irqrestore(&adapter->driver_lock, flags);
712 case cmd_ret_get_tsf:
713 spin_lock_irqsave(&adapter->driver_lock, flags);
714 memcpy(priv->adapter->cur_cmd->pdata_buf,
715 &resp->params.gettsf.tsfvalue, sizeof(u64));
716 spin_unlock_irqrestore(&adapter->driver_lock, flags);
718 case cmd_ret_bt_access:
719 spin_lock_irqsave(&adapter->driver_lock, flags);
720 if (adapter->cur_cmd->pdata_buf)
721 memcpy(adapter->cur_cmd->pdata_buf,
722 &resp->params.bt.addr1, 2 * ETH_ALEN);
723 spin_unlock_irqrestore(&adapter->driver_lock, flags);
725 case cmd_ret_fwt_access:
726 spin_lock_irqsave(&adapter->driver_lock, flags);
727 if (adapter->cur_cmd->pdata_buf)
728 memcpy(adapter->cur_cmd->pdata_buf,
730 sizeof(resp->params.fwt));
731 spin_unlock_irqrestore(&adapter->driver_lock, flags);
733 case cmd_ret_mesh_access:
734 if (adapter->cur_cmd->pdata_buf)
735 memcpy(adapter->cur_cmd->pdata_buf,
737 sizeof(resp->params.mesh));
739 case cmd_rte_802_11_tx_rate_query:
740 priv->adapter->txrate = resp->params.txrate.txrate;
743 lbs_deb_cmd("CMD_RESP: Unknown command response %#x\n",
750 int libertas_process_rx_command(wlan_private * priv)
753 struct cmd_ds_command *resp;
754 wlan_adapter *adapter = priv->adapter;
759 lbs_deb_enter(LBS_DEB_CMD);
761 lbs_deb_cmd("CMD_RESP: @ %lu\n", jiffies);
763 /* Now we got response from FW, cancel the command timer */
764 del_timer(&adapter->command_timer);
766 mutex_lock(&adapter->lock);
767 spin_lock_irqsave(&adapter->driver_lock, flags);
769 if (!adapter->cur_cmd) {
770 lbs_deb_cmd("CMD_RESP: NULL cur_cmd=%p\n", adapter->cur_cmd);
772 spin_unlock_irqrestore(&adapter->driver_lock, flags);
775 resp = (struct cmd_ds_command *)(adapter->cur_cmd->bufvirtualaddr);
777 lbs_dbg_hex("CMD_RESP:", adapter->cur_cmd->bufvirtualaddr,
778 priv->wlan_dev.upld_len);
780 respcmd = le16_to_cpu(resp->command);
782 result = le16_to_cpu(resp->result);
784 lbs_deb_cmd("CMD_RESP: %x result: %d length: %d\n", respcmd,
785 result, priv->wlan_dev.upld_len);
787 if (!(respcmd & 0x8000)) {
788 lbs_deb_cmd("Invalid response to command!");
789 adapter->cur_cmd_retcode = -1;
790 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
791 adapter->nr_cmd_pending--;
792 adapter->cur_cmd = NULL;
793 spin_unlock_irqrestore(&adapter->driver_lock, flags);
798 /* Store the response code to cur_cmd_retcode. */
799 adapter->cur_cmd_retcode = le16_to_cpu(resp->result);
801 if (respcmd == cmd_ret_802_11_ps_mode) {
802 struct cmd_ds_802_11_ps_mode *psmode;
804 psmode = &resp->params.psmode;
806 "CMD_RESP: PS_MODE cmd reply result=%#x action=0x%X\n",
807 resp->result, psmode->action);
808 psmode->action = cpu_to_le16(psmode->action);
811 lbs_deb_cmd("CMD_RESP: PS command failed- %#x \n",
813 if (adapter->mode == IW_MODE_ADHOC) {
815 * We should not re-try enter-ps command in
816 * ad-hoc mode. It takes place in
817 * libertas_execute_next_command().
819 if (psmode->action == cmd_subcmd_enter_ps)
821 wlan802_11powermodecam;
823 } else if (psmode->action == cmd_subcmd_enter_ps) {
824 adapter->needtowakeup = 0;
825 adapter->psstate = PS_STATE_AWAKE;
827 lbs_deb_cmd("CMD_RESP: Enter_PS command response\n");
828 if (adapter->connect_status != libertas_connected) {
830 * When Deauth Event received before Enter_PS command
831 * response, We need to wake up the firmware.
834 "Disconnected, Going to invoke libertas_ps_wakeup\n");
836 mutex_unlock(&adapter->lock);
837 spin_unlock_irqrestore(&adapter->driver_lock, flags);
838 libertas_ps_wakeup(priv, 0);
839 mutex_lock(&adapter->lock);
840 spin_lock_irqsave(&adapter->driver_lock, flags);
842 } else if (psmode->action == cmd_subcmd_exit_ps) {
843 adapter->needtowakeup = 0;
844 adapter->psstate = PS_STATE_FULL_POWER;
845 lbs_deb_cmd("CMD_RESP: Exit_PS command response\n");
847 lbs_deb_cmd("CMD_RESP: PS- action=0x%X\n",
851 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
852 adapter->nr_cmd_pending--;
853 adapter->cur_cmd = NULL;
854 spin_unlock_irqrestore(&adapter->driver_lock, flags);
860 if (adapter->cur_cmd->cmdflags & CMD_F_HOSTCMD) {
861 /* Copy the response back to response buffer */
862 memcpy(adapter->cur_cmd->pdata_buf, resp, resp->size);
864 adapter->cur_cmd->cmdflags &= ~CMD_F_HOSTCMD;
867 /* If the command is not successful, cleanup and return failure */
868 if ((result != 0 || !(respcmd & 0x8000))) {
869 lbs_deb_cmd("CMD_RESP: command reply %#x result=%#x\n",
870 resp->command, resp->result);
872 * Handling errors here
875 case cmd_ret_hw_spec_info:
876 case cmd_ret_802_11_reset:
877 lbs_deb_cmd("CMD_RESP: Reset command failed\n");
882 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
883 adapter->nr_cmd_pending--;
884 adapter->cur_cmd = NULL;
885 spin_unlock_irqrestore(&adapter->driver_lock, flags);
891 spin_unlock_irqrestore(&adapter->driver_lock, flags);
893 ret = handle_cmd_response(respcmd, resp, priv);
895 spin_lock_irqsave(&adapter->driver_lock, flags);
896 if (adapter->cur_cmd) {
897 /* Clean up and Put current command back to cmdfreeq */
898 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
899 adapter->nr_cmd_pending--;
900 WARN_ON(adapter->nr_cmd_pending > 128);
901 adapter->cur_cmd = NULL;
903 spin_unlock_irqrestore(&adapter->driver_lock, flags);
906 mutex_unlock(&adapter->lock);
907 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
911 int libertas_process_event(wlan_private * priv)
914 wlan_adapter *adapter = priv->adapter;
917 spin_lock_irq(&adapter->driver_lock);
918 eventcause = adapter->eventcause;
919 spin_unlock_irq(&adapter->driver_lock);
921 lbs_deb_enter(LBS_DEB_CMD);
923 lbs_deb_cmd("EVENT Cause %x\n", eventcause);
925 switch (eventcause >> SBI_EVENT_CAUSE_SHIFT) {
926 case MACREG_INT_CODE_LINK_SENSED:
927 lbs_deb_cmd("EVENT: MACREG_INT_CODE_LINK_SENSED\n");
930 case MACREG_INT_CODE_DEAUTHENTICATED:
931 lbs_deb_cmd("EVENT: Deauthenticated\n");
932 libertas_mac_event_disconnected(priv);
935 case MACREG_INT_CODE_DISASSOCIATED:
936 lbs_deb_cmd("EVENT: Disassociated\n");
937 libertas_mac_event_disconnected(priv);
940 case MACREG_INT_CODE_LINK_LOSE_NO_SCAN:
941 lbs_deb_cmd("EVENT: Link lost\n");
942 libertas_mac_event_disconnected(priv);
945 case MACREG_INT_CODE_PS_SLEEP:
946 lbs_deb_cmd("EVENT: SLEEP\n");
949 /* handle unexpected PS SLEEP event */
950 if (adapter->psstate == PS_STATE_FULL_POWER) {
952 "EVENT: In FULL POWER mode - ignore PS SLEEP\n");
955 adapter->psstate = PS_STATE_PRE_SLEEP;
957 libertas_ps_confirm_sleep(priv, (u16) adapter->psmode);
961 case MACREG_INT_CODE_PS_AWAKE:
962 lbs_deb_cmd("EVENT: AWAKE \n");
965 /* handle unexpected PS AWAKE event */
966 if (adapter->psstate == PS_STATE_FULL_POWER) {
968 "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
972 adapter->psstate = PS_STATE_AWAKE;
974 if (adapter->needtowakeup) {
976 * wait for the command processing to finish
977 * before resuming sending
978 * adapter->needtowakeup will be set to FALSE
979 * in libertas_ps_wakeup()
981 lbs_deb_cmd("Waking up...\n");
982 libertas_ps_wakeup(priv, 0);
986 case MACREG_INT_CODE_MIC_ERR_UNICAST:
987 lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
988 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
991 case MACREG_INT_CODE_MIC_ERR_MULTICAST:
992 lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
993 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
995 case MACREG_INT_CODE_MIB_CHANGED:
996 case MACREG_INT_CODE_INIT_DONE:
999 case MACREG_INT_CODE_ADHOC_BCN_LOST:
1000 lbs_deb_cmd("EVENT: HWAC - ADHOC BCN LOST\n");
1003 case MACREG_INT_CODE_RSSI_LOW:
1004 lbs_pr_alert( "EVENT: RSSI_LOW\n");
1006 case MACREG_INT_CODE_SNR_LOW:
1007 lbs_pr_alert( "EVENT: SNR_LOW\n");
1009 case MACREG_INT_CODE_MAX_FAIL:
1010 lbs_pr_alert( "EVENT: MAX_FAIL\n");
1012 case MACREG_INT_CODE_RSSI_HIGH:
1013 lbs_pr_alert( "EVENT: RSSI_HIGH\n");
1015 case MACREG_INT_CODE_SNR_HIGH:
1016 lbs_pr_alert( "EVENT: SNR_HIGH\n");
1020 lbs_pr_alert( "EVENT: unknown event id: %#x\n",
1021 eventcause >> SBI_EVENT_CAUSE_SHIFT);
1025 spin_lock_irq(&adapter->driver_lock);
1026 adapter->eventcause = 0;
1027 spin_unlock_irq(&adapter->driver_lock);
1029 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);