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>
19 * @brief This function handles disconnect event. it
20 * reports disconnect to upper layer, clean tx/rx packets,
21 * reset link state etc.
23 * @param priv A pointer to wlan_private structure
26 void libertas_mac_event_disconnected(wlan_private * priv)
28 wlan_adapter *adapter = priv->adapter;
29 union iwreq_data wrqu;
31 if (adapter->connect_status != LIBERTAS_CONNECTED)
34 lbs_deb_cmd("Handles disconnect event.\n");
36 memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
37 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
40 * Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
41 * It causes problem in the Supplicant
44 msleep_interruptible(1000);
45 wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
47 /* Free Tx and Rx packets */
48 kfree_skb(priv->adapter->currenttxskb);
49 priv->adapter->currenttxskb = NULL;
51 /* report disconnect to upper layer */
52 netif_stop_queue(priv->dev);
53 netif_carrier_off(priv->dev);
55 /* reset SNR/NF/RSSI values */
56 memset(adapter->SNR, 0x00, sizeof(adapter->SNR));
57 memset(adapter->NF, 0x00, sizeof(adapter->NF));
58 memset(adapter->RSSI, 0x00, sizeof(adapter->RSSI));
59 memset(adapter->rawSNR, 0x00, sizeof(adapter->rawSNR));
60 memset(adapter->rawNF, 0x00, sizeof(adapter->rawNF));
61 adapter->nextSNRNF = 0;
62 adapter->numSNRNF = 0;
63 adapter->rxpd_rate = 0;
64 lbs_deb_cmd("Current SSID='%s', ssid length=%u\n",
65 escape_essid(adapter->curbssparams.ssid,
66 adapter->curbssparams.ssid_len),
67 adapter->curbssparams.ssid_len);
68 lbs_deb_cmd("Previous SSID='%s', ssid length=%u\n",
69 escape_essid(adapter->prev_ssid, adapter->prev_ssid_len),
70 adapter->prev_ssid_len);
72 adapter->connect_status = LIBERTAS_DISCONNECTED;
74 /* Save previous SSID and BSSID for possible reassociation */
75 memcpy(&adapter->prev_ssid, &adapter->curbssparams.ssid,
77 adapter->prev_ssid_len = adapter->curbssparams.ssid_len;
78 memcpy(adapter->prev_bssid, adapter->curbssparams.bssid, ETH_ALEN);
80 /* Clear out associated SSID and BSSID since connection is
83 memset(&adapter->curbssparams.bssid, 0, ETH_ALEN);
84 memset(&adapter->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
85 adapter->curbssparams.ssid_len = 0;
87 if (adapter->psstate != PS_STATE_FULL_POWER) {
88 /* make firmware to exit PS mode */
89 lbs_deb_cmd("Disconnected, so exit PS mode.\n");
90 libertas_ps_wakeup(priv, 0);
95 * @brief This function handles MIC failure event.
97 * @param priv A pointer to wlan_private structure
98 * @para event the event id
101 static void handle_mic_failureevent(wlan_private * priv, u32 event)
105 memset(buf, 0, sizeof(buf));
107 sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
109 if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) {
110 strcat(buf, "unicast ");
112 strcat(buf, "multicast ");
115 libertas_send_iwevcustom_event(priv, buf);
118 static int wlan_ret_reg_access(wlan_private * priv,
119 u16 type, struct cmd_ds_command *resp)
122 wlan_adapter *adapter = priv->adapter;
124 lbs_deb_enter(LBS_DEB_CMD);
127 case CMD_RET_MAC_REG_ACCESS:
129 struct cmd_ds_mac_reg_access *reg = &resp->params.macreg;
131 adapter->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
132 adapter->offsetvalue.value = le32_to_cpu(reg->value);
136 case CMD_RET_BBP_REG_ACCESS:
138 struct cmd_ds_bbp_reg_access *reg = &resp->params.bbpreg;
140 adapter->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
141 adapter->offsetvalue.value = reg->value;
145 case CMD_RET_RF_REG_ACCESS:
147 struct cmd_ds_rf_reg_access *reg = &resp->params.rfreg;
149 adapter->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
150 adapter->offsetvalue.value = reg->value;
158 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
162 static int wlan_ret_get_hw_spec(wlan_private * priv,
163 struct cmd_ds_command *resp)
166 struct cmd_ds_get_hw_spec *hwspec = &resp->params.hwspec;
167 wlan_adapter *adapter = priv->adapter;
170 lbs_deb_enter(LBS_DEB_CMD);
172 adapter->fwcapinfo = le32_to_cpu(hwspec->fwcapinfo);
174 memcpy(adapter->fwreleasenumber, hwspec->fwreleasenumber, 4);
176 lbs_deb_cmd("GET_HW_SPEC: FWReleaseVersion: %u.%u.%u.p%u\n",
177 adapter->fwreleasenumber[2], adapter->fwreleasenumber[1],
178 adapter->fwreleasenumber[0], adapter->fwreleasenumber[3]);
179 lbs_deb_cmd("GET_HW_SPEC: Permanent addr: " MAC_FMT "\n",
180 MAC_ARG(hwspec->permanentaddr));
181 lbs_deb_cmd("GET_HW_SPEC: hwifversion: 0x%x version:0x%x\n",
182 hwspec->hwifversion, hwspec->version);
184 adapter->regioncode = le16_to_cpu(hwspec->regioncode);
186 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
187 /* use the region code to search for the index */
188 if (adapter->regioncode == libertas_region_code_to_index[i]) {
189 adapter->regiontableindex = (u16) i;
194 /* if it's unidentified region code, use the default (USA) */
195 if (i >= MRVDRV_MAX_REGION_CODE) {
196 adapter->regioncode = 0x10;
197 adapter->regiontableindex = 0;
198 lbs_pr_info("unidentified region code; using the default (USA)\n");
201 if (adapter->current_addr[0] == 0xff)
202 memmove(adapter->current_addr, hwspec->permanentaddr, ETH_ALEN);
204 memcpy(priv->dev->dev_addr, adapter->current_addr, ETH_ALEN);
206 memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN);
208 if (libertas_set_regiontable(priv, adapter->regioncode, 0)) {
213 if (libertas_set_universaltable(priv, 0)) {
219 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
223 static int wlan_ret_802_11_sleep_params(wlan_private * priv,
224 struct cmd_ds_command *resp)
226 struct cmd_ds_802_11_sleep_params *sp = &resp->params.sleep_params;
227 wlan_adapter *adapter = priv->adapter;
229 lbs_deb_enter(LBS_DEB_CMD);
231 lbs_deb_cmd("error=%x offset=%x stabletime=%x calcontrol=%x\n"
232 " extsleepclk=%x\n", le16_to_cpu(sp->error),
233 le16_to_cpu(sp->offset), le16_to_cpu(sp->stabletime),
234 sp->calcontrol, sp->externalsleepclk);
236 adapter->sp.sp_error = le16_to_cpu(sp->error);
237 adapter->sp.sp_offset = le16_to_cpu(sp->offset);
238 adapter->sp.sp_stabletime = le16_to_cpu(sp->stabletime);
239 adapter->sp.sp_calcontrol = sp->calcontrol;
240 adapter->sp.sp_extsleepclk = sp->externalsleepclk;
241 adapter->sp.sp_reserved = le16_to_cpu(sp->reserved);
243 lbs_deb_enter(LBS_DEB_CMD);
247 static int wlan_ret_802_11_stat(wlan_private * priv,
248 struct cmd_ds_command *resp)
250 /* currently adapter->wlan802_11Stat is unused
252 struct cmd_ds_802_11_get_stat *p11Stat = &resp->params.gstat;
253 wlan_adapter *adapter = priv->adapter;
255 // TODO Convert it to Big endian befor copy
256 memcpy(&adapter->wlan802_11Stat,
257 p11Stat, sizeof(struct cmd_ds_802_11_get_stat));
262 static int wlan_ret_802_11_snmp_mib(wlan_private * priv,
263 struct cmd_ds_command *resp)
265 struct cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
266 u16 oid = le16_to_cpu(smib->oid);
267 u16 querytype = le16_to_cpu(smib->querytype);
269 lbs_deb_enter(LBS_DEB_CMD);
271 lbs_deb_cmd("SNMP_RESP: value of the oid = %x, querytype=%x\n", oid,
273 lbs_deb_cmd("SNMP_RESP: Buf size = %x\n", le16_to_cpu(smib->bufsize));
275 if (querytype == CMD_ACT_GET) {
278 priv->adapter->fragthsd =
279 le16_to_cpu(*((__le16 *)(smib->value)));
280 lbs_deb_cmd("SNMP_RESP: fragthsd =%u\n",
281 priv->adapter->fragthsd);
284 priv->adapter->rtsthsd =
285 le16_to_cpu(*((__le16 *)(smib->value)));
286 lbs_deb_cmd("SNMP_RESP: rtsthsd =%u\n",
287 priv->adapter->rtsthsd);
289 case SHORT_RETRYLIM_I:
290 priv->adapter->txretrycount =
291 le16_to_cpu(*((__le16 *)(smib->value)));
292 lbs_deb_cmd("SNMP_RESP: txretrycount =%u\n",
293 priv->adapter->rtsthsd);
300 lbs_deb_enter(LBS_DEB_CMD);
304 static int wlan_ret_802_11_key_material(wlan_private * priv,
305 struct cmd_ds_command *resp)
307 struct cmd_ds_802_11_key_material *pkeymaterial =
308 &resp->params.keymaterial;
309 wlan_adapter *adapter = priv->adapter;
310 u16 action = le16_to_cpu(pkeymaterial->action);
312 lbs_deb_enter(LBS_DEB_CMD);
314 /* Copy the returned key to driver private data */
315 if (action == CMD_ACT_GET) {
316 u8 * buf_ptr = (u8 *) &pkeymaterial->keyParamSet;
317 u8 * resp_end = (u8 *) (resp + le16_to_cpu(resp->size));
319 while (buf_ptr < resp_end) {
320 struct MrvlIEtype_keyParamSet * pkeyparamset =
321 (struct MrvlIEtype_keyParamSet *) buf_ptr;
322 struct enc_key * pkey;
323 u16 param_set_len = le16_to_cpu(pkeyparamset->length);
324 u16 key_len = le16_to_cpu(pkeyparamset->keylen);
325 u16 key_flags = le16_to_cpu(pkeyparamset->keyinfo);
326 u16 key_type = le16_to_cpu(pkeyparamset->keytypeid);
329 end = (u8 *) pkeyparamset + sizeof (pkeyparamset->type)
330 + sizeof (pkeyparamset->length)
332 /* Make sure we don't access past the end of the IEs */
336 if (key_flags & KEY_INFO_WPA_UNICAST)
337 pkey = &adapter->wpa_unicast_key;
338 else if (key_flags & KEY_INFO_WPA_MCAST)
339 pkey = &adapter->wpa_mcast_key;
343 /* Copy returned key into driver */
344 memset(pkey, 0, sizeof(struct enc_key));
345 if (key_len > sizeof(pkey->key))
347 pkey->type = key_type;
348 pkey->flags = key_flags;
350 memcpy(pkey->key, pkeyparamset->key, pkey->len);
356 lbs_deb_enter(LBS_DEB_CMD);
360 static int wlan_ret_802_11_mac_address(wlan_private * priv,
361 struct cmd_ds_command *resp)
363 struct cmd_ds_802_11_mac_address *macadd = &resp->params.macadd;
364 wlan_adapter *adapter = priv->adapter;
366 lbs_deb_enter(LBS_DEB_CMD);
368 memcpy(adapter->current_addr, macadd->macadd, ETH_ALEN);
370 lbs_deb_enter(LBS_DEB_CMD);
374 static int wlan_ret_802_11_rf_tx_power(wlan_private * priv,
375 struct cmd_ds_command *resp)
377 struct cmd_ds_802_11_rf_tx_power *rtp = &resp->params.txp;
378 wlan_adapter *adapter = priv->adapter;
380 lbs_deb_enter(LBS_DEB_CMD);
382 adapter->txpowerlevel = le16_to_cpu(rtp->currentlevel);
384 lbs_deb_cmd("Current TxPower Level = %d\n", adapter->txpowerlevel);
386 lbs_deb_enter(LBS_DEB_CMD);
390 static int wlan_ret_802_11_rf_antenna(wlan_private * priv,
391 struct cmd_ds_command *resp)
393 struct cmd_ds_802_11_rf_antenna *pAntenna = &resp->params.rant;
394 wlan_adapter *adapter = priv->adapter;
395 u16 action = le16_to_cpu(pAntenna->action);
397 if (action == CMD_ACT_GET_RX)
398 adapter->rxantennamode = le16_to_cpu(pAntenna->antennamode);
400 if (action == CMD_ACT_GET_TX)
401 adapter->txantennamode = le16_to_cpu(pAntenna->antennamode);
403 lbs_deb_cmd("RF_ANT_RESP: action = 0x%x, mode = 0x%04x\n",
404 action, le16_to_cpu(pAntenna->antennamode));
409 static int wlan_ret_802_11_rate_adapt_rateset(wlan_private * priv,
410 struct cmd_ds_command *resp)
412 struct cmd_ds_802_11_rate_adapt_rateset *rates = &resp->params.rateset;
413 wlan_adapter *adapter = priv->adapter;
415 lbs_deb_enter(LBS_DEB_CMD);
417 if (rates->action == CMD_ACT_GET) {
418 adapter->enablehwauto = le16_to_cpu(rates->enablehwauto);
419 adapter->ratebitmap = le16_to_cpu(rates->bitmap);
422 lbs_deb_enter(LBS_DEB_CMD);
426 static int wlan_ret_802_11_data_rate(wlan_private * priv,
427 struct cmd_ds_command *resp)
429 struct cmd_ds_802_11_data_rate *pdatarate = &resp->params.drate;
430 wlan_adapter *adapter = priv->adapter;
432 lbs_deb_enter(LBS_DEB_CMD);
434 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP: data_rate- ", (u8 *) pdatarate,
435 sizeof(struct cmd_ds_802_11_data_rate));
437 /* FIXME: get actual rates FW can do if this command actually returns
438 * all data rates supported.
440 adapter->cur_rate = libertas_fw_index_to_data_rate(pdatarate->rates[0]);
442 lbs_deb_leave(LBS_DEB_CMD);
446 static int wlan_ret_802_11_rf_channel(wlan_private * priv,
447 struct cmd_ds_command *resp)
449 struct cmd_ds_802_11_rf_channel *rfchannel = &resp->params.rfchannel;
450 wlan_adapter *adapter = priv->adapter;
451 u16 action = le16_to_cpu(rfchannel->action);
452 u16 newchannel = le16_to_cpu(rfchannel->currentchannel);
454 lbs_deb_enter(LBS_DEB_CMD);
456 if (action == CMD_OPT_802_11_RF_CHANNEL_GET
457 && adapter->curbssparams.channel != newchannel) {
458 lbs_deb_cmd("channel Switch: %d to %d\n",
459 adapter->curbssparams.channel, newchannel);
461 /* Update the channel again */
462 adapter->curbssparams.channel = newchannel;
465 lbs_deb_enter(LBS_DEB_CMD);
469 static int wlan_ret_802_11_rssi(wlan_private * priv,
470 struct cmd_ds_command *resp)
472 struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
473 wlan_adapter *adapter = priv->adapter;
475 /* store the non average value */
476 adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
477 adapter->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
479 adapter->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
480 adapter->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
482 adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] =
483 CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG],
484 adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
486 adapter->RSSI[TYPE_BEACON][TYPE_AVG] =
487 CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
488 adapter->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
490 lbs_deb_cmd("Beacon RSSI value = 0x%x\n",
491 adapter->RSSI[TYPE_BEACON][TYPE_AVG]);
496 static int wlan_ret_802_11_eeprom_access(wlan_private * priv,
497 struct cmd_ds_command *resp)
499 wlan_adapter *adapter = priv->adapter;
500 struct wlan_ioctl_regrdwr *pbuf;
501 pbuf = (struct wlan_ioctl_regrdwr *) adapter->prdeeprom;
503 lbs_deb_cmd("eeprom read len=%x\n",
504 le16_to_cpu(resp->params.rdeeprom.bytecount));
505 if (pbuf->NOB < le16_to_cpu(resp->params.rdeeprom.bytecount)) {
507 lbs_deb_cmd("eeprom read return length is too big\n");
510 pbuf->NOB = le16_to_cpu(resp->params.rdeeprom.bytecount);
513 memcpy(&pbuf->value, (u8 *) & resp->params.rdeeprom.value,
514 le16_to_cpu(resp->params.rdeeprom.bytecount));
515 lbs_deb_hex(LBS_DEB_CMD, "adapter", (char *)&pbuf->value,
516 le16_to_cpu(resp->params.rdeeprom.bytecount));
521 static int wlan_ret_get_log(wlan_private * priv,
522 struct cmd_ds_command *resp)
524 struct cmd_ds_802_11_get_log *logmessage = &resp->params.glog;
525 wlan_adapter *adapter = priv->adapter;
527 lbs_deb_enter(LBS_DEB_CMD);
529 /* Stored little-endian */
530 memcpy(&adapter->logmsg, logmessage, sizeof(struct cmd_ds_802_11_get_log));
532 lbs_deb_enter(LBS_DEB_CMD);
536 static int libertas_ret_802_11_enable_rsn(wlan_private * priv,
537 struct cmd_ds_command *resp)
539 struct cmd_ds_802_11_enable_rsn *enable_rsn = &resp->params.enbrsn;
540 wlan_adapter *adapter = priv->adapter;
541 u32 * pdata_buf = adapter->cur_cmd->pdata_buf;
543 lbs_deb_enter(LBS_DEB_CMD);
545 if (enable_rsn->action == cpu_to_le16(CMD_ACT_GET)) {
547 *pdata_buf = (u32) le16_to_cpu(enable_rsn->enable);
550 lbs_deb_enter(LBS_DEB_CMD);
554 static inline int handle_cmd_response(u16 respcmd,
555 struct cmd_ds_command *resp,
560 wlan_adapter *adapter = priv->adapter;
563 case CMD_RET_MAC_REG_ACCESS:
564 case CMD_RET_BBP_REG_ACCESS:
565 case CMD_RET_RF_REG_ACCESS:
566 ret = wlan_ret_reg_access(priv, respcmd, resp);
569 case CMD_RET_HW_SPEC_INFO:
570 ret = wlan_ret_get_hw_spec(priv, resp);
573 case CMD_RET_802_11_SCAN:
574 ret = libertas_ret_80211_scan(priv, resp);
577 case CMD_RET_802_11_GET_LOG:
578 ret = wlan_ret_get_log(priv, resp);
581 case CMD_RET_802_11_ASSOCIATE:
582 case CMD_RET_802_11_REASSOCIATE:
583 ret = libertas_ret_80211_associate(priv, resp);
586 case CMD_RET_802_11_DISASSOCIATE:
587 case CMD_RET_802_11_DEAUTHENTICATE:
588 ret = libertas_ret_80211_disassociate(priv, resp);
591 case CMD_RET_802_11_AD_HOC_START:
592 case CMD_RET_802_11_AD_HOC_JOIN:
593 ret = libertas_ret_80211_ad_hoc_start(priv, resp);
596 case CMD_RET_802_11_STAT:
597 ret = wlan_ret_802_11_stat(priv, resp);
600 case CMD_RET_802_11_SNMP_MIB:
601 ret = wlan_ret_802_11_snmp_mib(priv, resp);
604 case CMD_RET_802_11_RF_TX_POWER:
605 ret = wlan_ret_802_11_rf_tx_power(priv, resp);
608 case CMD_RET_802_11_SET_AFC:
609 case CMD_RET_802_11_GET_AFC:
610 spin_lock_irqsave(&adapter->driver_lock, flags);
611 memmove(adapter->cur_cmd->pdata_buf, &resp->params.afc,
612 sizeof(struct cmd_ds_802_11_afc));
613 spin_unlock_irqrestore(&adapter->driver_lock, flags);
616 case CMD_RET_802_11_RF_ANTENNA:
617 ret = wlan_ret_802_11_rf_antenna(priv, resp);
620 case CMD_RET_MAC_MULTICAST_ADR:
621 case CMD_RET_MAC_CONTROL:
622 case CMD_RET_802_11_SET_WEP:
623 case CMD_RET_802_11_RESET:
624 case CMD_RET_802_11_AUTHENTICATE:
625 case CMD_RET_802_11_RADIO_CONTROL:
626 case CMD_RET_802_11_BEACON_STOP:
629 case CMD_RET_802_11_ENABLE_RSN:
630 ret = libertas_ret_802_11_enable_rsn(priv, resp);
633 case CMD_RET_802_11_DATA_RATE:
634 ret = wlan_ret_802_11_data_rate(priv, resp);
636 case CMD_RET_802_11_RATE_ADAPT_RATESET:
637 ret = wlan_ret_802_11_rate_adapt_rateset(priv, resp);
639 case CMD_RET_802_11_RF_CHANNEL:
640 ret = wlan_ret_802_11_rf_channel(priv, resp);
643 case CMD_RET_802_11_RSSI:
644 ret = wlan_ret_802_11_rssi(priv, resp);
647 case CMD_RET_802_11_MAC_ADDRESS:
648 ret = wlan_ret_802_11_mac_address(priv, resp);
651 case CMD_RET_802_11_AD_HOC_STOP:
652 ret = libertas_ret_80211_ad_hoc_stop(priv, resp);
655 case CMD_RET_802_11_KEY_MATERIAL:
656 lbs_deb_cmd("CMD_RESP: KEY_MATERIAL command response\n");
657 ret = wlan_ret_802_11_key_material(priv, resp);
660 case CMD_RET_802_11_EEPROM_ACCESS:
661 ret = wlan_ret_802_11_eeprom_access(priv, resp);
664 case CMD_RET_802_11D_DOMAIN_INFO:
665 ret = libertas_ret_802_11d_domain_info(priv, resp);
668 case CMD_RET_802_11_SLEEP_PARAMS:
669 ret = wlan_ret_802_11_sleep_params(priv, resp);
671 case CMD_RET_802_11_INACTIVITY_TIMEOUT:
672 spin_lock_irqsave(&adapter->driver_lock, flags);
673 *((u16 *) adapter->cur_cmd->pdata_buf) =
674 le16_to_cpu(resp->params.inactivity_timeout.timeout);
675 spin_unlock_irqrestore(&adapter->driver_lock, flags);
678 case CMD_RET_802_11_TPC_CFG:
679 spin_lock_irqsave(&adapter->driver_lock, flags);
680 memmove(adapter->cur_cmd->pdata_buf, &resp->params.tpccfg,
681 sizeof(struct cmd_ds_802_11_tpc_cfg));
682 spin_unlock_irqrestore(&adapter->driver_lock, flags);
684 case CMD_RET_802_11_LED_GPIO_CTRL:
685 spin_lock_irqsave(&adapter->driver_lock, flags);
686 memmove(adapter->cur_cmd->pdata_buf, &resp->params.ledgpio,
687 sizeof(struct cmd_ds_802_11_led_ctrl));
688 spin_unlock_irqrestore(&adapter->driver_lock, flags);
690 case CMD_RET_802_11_PWR_CFG:
691 spin_lock_irqsave(&adapter->driver_lock, flags);
692 memmove(adapter->cur_cmd->pdata_buf, &resp->params.pwrcfg,
693 sizeof(struct cmd_ds_802_11_pwr_cfg));
694 spin_unlock_irqrestore(&adapter->driver_lock, flags);
698 case CMD_RET_GET_TSF:
699 spin_lock_irqsave(&adapter->driver_lock, flags);
700 memcpy(priv->adapter->cur_cmd->pdata_buf,
701 &resp->params.gettsf.tsfvalue, sizeof(u64));
702 spin_unlock_irqrestore(&adapter->driver_lock, flags);
704 case CMD_RET_BT_ACCESS:
705 spin_lock_irqsave(&adapter->driver_lock, flags);
706 if (adapter->cur_cmd->pdata_buf)
707 memcpy(adapter->cur_cmd->pdata_buf,
708 &resp->params.bt.addr1, 2 * ETH_ALEN);
709 spin_unlock_irqrestore(&adapter->driver_lock, flags);
711 case CMD_RET_FWT_ACCESS:
712 spin_lock_irqsave(&adapter->driver_lock, flags);
713 if (adapter->cur_cmd->pdata_buf)
714 memcpy(adapter->cur_cmd->pdata_buf, &resp->params.fwt,
715 sizeof(resp->params.fwt));
716 spin_unlock_irqrestore(&adapter->driver_lock, flags);
718 case CMD_RET_MESH_ACCESS:
719 if (adapter->cur_cmd->pdata_buf)
720 memcpy(adapter->cur_cmd->pdata_buf, &resp->params.mesh,
721 sizeof(resp->params.mesh));
723 case CMD_RTE_802_11_TX_RATE_QUERY:
724 priv->adapter->txrate = resp->params.txrate.txrate;
727 lbs_deb_cmd("CMD_RESP: Unknown command response %#x\n",
734 int libertas_process_rx_command(wlan_private * priv)
737 struct cmd_ds_command *resp;
738 wlan_adapter *adapter = priv->adapter;
743 lbs_deb_enter(LBS_DEB_CMD);
745 lbs_deb_cmd("CMD_RESP: @ %lu\n", jiffies);
747 /* Now we got response from FW, cancel the command timer */
748 del_timer(&adapter->command_timer);
750 mutex_lock(&adapter->lock);
751 spin_lock_irqsave(&adapter->driver_lock, flags);
753 if (!adapter->cur_cmd) {
754 lbs_deb_cmd("CMD_RESP: NULL cur_cmd=%p\n", adapter->cur_cmd);
756 spin_unlock_irqrestore(&adapter->driver_lock, flags);
759 resp = (struct cmd_ds_command *)(adapter->cur_cmd->bufvirtualaddr);
761 lbs_deb_hex(LBS_DEB_CMD, "CMD_RESP", adapter->cur_cmd->bufvirtualaddr,
764 respcmd = le16_to_cpu(resp->command);
766 result = le16_to_cpu(resp->result);
768 lbs_deb_cmd("CMD_RESP: %x result: %d length: %d\n", respcmd,
769 result, priv->upld_len);
771 if (!(respcmd & 0x8000)) {
772 lbs_deb_cmd("Invalid response to command!");
773 adapter->cur_cmd_retcode = -1;
774 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
775 adapter->nr_cmd_pending--;
776 adapter->cur_cmd = NULL;
777 spin_unlock_irqrestore(&adapter->driver_lock, flags);
782 /* Store the response code to cur_cmd_retcode. */
783 adapter->cur_cmd_retcode = result;;
785 if (respcmd == CMD_RET_802_11_PS_MODE) {
786 struct cmd_ds_802_11_ps_mode *psmode = &resp->params.psmode;
787 u16 action = le16_to_cpu(psmode->action);
790 "CMD_RESP: PS_MODE cmd reply result=%#x action=0x%X\n",
794 lbs_deb_cmd("CMD_RESP: PS command failed- %#x \n",
797 * We should not re-try enter-ps command in
798 * ad-hoc mode. It takes place in
799 * libertas_execute_next_command().
801 if (adapter->mode == IW_MODE_ADHOC &&
802 action == CMD_SUBCMD_ENTER_PS)
803 adapter->psmode = WLAN802_11POWERMODECAM;
804 } else if (action == CMD_SUBCMD_ENTER_PS) {
805 adapter->needtowakeup = 0;
806 adapter->psstate = PS_STATE_AWAKE;
808 lbs_deb_cmd("CMD_RESP: Enter_PS command response\n");
809 if (adapter->connect_status != LIBERTAS_CONNECTED) {
811 * When Deauth Event received before Enter_PS command
812 * response, We need to wake up the firmware.
815 "Disconnected, Going to invoke libertas_ps_wakeup\n");
817 spin_unlock_irqrestore(&adapter->driver_lock, flags);
818 mutex_unlock(&adapter->lock);
819 libertas_ps_wakeup(priv, 0);
820 mutex_lock(&adapter->lock);
821 spin_lock_irqsave(&adapter->driver_lock, flags);
823 } else if (action == CMD_SUBCMD_EXIT_PS) {
824 adapter->needtowakeup = 0;
825 adapter->psstate = PS_STATE_FULL_POWER;
826 lbs_deb_cmd("CMD_RESP: Exit_PS command response\n");
828 lbs_deb_cmd("CMD_RESP: PS- action=0x%X\n", action);
831 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
832 adapter->nr_cmd_pending--;
833 adapter->cur_cmd = NULL;
834 spin_unlock_irqrestore(&adapter->driver_lock, flags);
840 if (adapter->cur_cmd->cmdflags & CMD_F_HOSTCMD) {
841 /* Copy the response back to response buffer */
842 memcpy(adapter->cur_cmd->pdata_buf, resp, resp->size);
844 adapter->cur_cmd->cmdflags &= ~CMD_F_HOSTCMD;
847 /* If the command is not successful, cleanup and return failure */
848 if ((result != 0 || !(respcmd & 0x8000))) {
849 lbs_deb_cmd("CMD_RESP: command reply %#x result=%#x\n",
852 * Handling errors here
855 case CMD_RET_HW_SPEC_INFO:
856 case CMD_RET_802_11_RESET:
857 lbs_deb_cmd("CMD_RESP: Reset command failed\n");
862 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
863 adapter->nr_cmd_pending--;
864 adapter->cur_cmd = NULL;
865 spin_unlock_irqrestore(&adapter->driver_lock, flags);
871 spin_unlock_irqrestore(&adapter->driver_lock, flags);
873 ret = handle_cmd_response(respcmd, resp, priv);
875 spin_lock_irqsave(&adapter->driver_lock, flags);
876 if (adapter->cur_cmd) {
877 /* Clean up and Put current command back to cmdfreeq */
878 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
879 adapter->nr_cmd_pending--;
880 WARN_ON(adapter->nr_cmd_pending > 128);
881 adapter->cur_cmd = NULL;
883 spin_unlock_irqrestore(&adapter->driver_lock, flags);
886 mutex_unlock(&adapter->lock);
887 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
891 int libertas_process_event(wlan_private * priv)
894 wlan_adapter *adapter = priv->adapter;
897 spin_lock_irq(&adapter->driver_lock);
898 eventcause = adapter->eventcause;
899 spin_unlock_irq(&adapter->driver_lock);
901 lbs_deb_enter(LBS_DEB_CMD);
903 lbs_deb_cmd("EVENT Cause %x\n", eventcause);
905 switch (eventcause >> SBI_EVENT_CAUSE_SHIFT) {
906 case MACREG_INT_CODE_LINK_SENSED:
907 lbs_deb_cmd("EVENT: MACREG_INT_CODE_LINK_SENSED\n");
910 case MACREG_INT_CODE_DEAUTHENTICATED:
911 lbs_deb_cmd("EVENT: Deauthenticated\n");
912 libertas_mac_event_disconnected(priv);
915 case MACREG_INT_CODE_DISASSOCIATED:
916 lbs_deb_cmd("EVENT: Disassociated\n");
917 libertas_mac_event_disconnected(priv);
920 case MACREG_INT_CODE_LINK_LOSE_NO_SCAN:
921 lbs_deb_cmd("EVENT: Link lost\n");
922 libertas_mac_event_disconnected(priv);
925 case MACREG_INT_CODE_PS_SLEEP:
926 lbs_deb_cmd("EVENT: SLEEP\n");
929 /* handle unexpected PS SLEEP event */
930 if (adapter->psstate == PS_STATE_FULL_POWER) {
932 "EVENT: In FULL POWER mode - ignore PS SLEEP\n");
935 adapter->psstate = PS_STATE_PRE_SLEEP;
937 libertas_ps_confirm_sleep(priv, (u16) adapter->psmode);
941 case MACREG_INT_CODE_PS_AWAKE:
942 lbs_deb_cmd("EVENT: AWAKE \n");
945 /* handle unexpected PS AWAKE event */
946 if (adapter->psstate == PS_STATE_FULL_POWER) {
948 "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
952 adapter->psstate = PS_STATE_AWAKE;
954 if (adapter->needtowakeup) {
956 * wait for the command processing to finish
957 * before resuming sending
958 * adapter->needtowakeup will be set to FALSE
959 * in libertas_ps_wakeup()
961 lbs_deb_cmd("Waking up...\n");
962 libertas_ps_wakeup(priv, 0);
966 case MACREG_INT_CODE_MIC_ERR_UNICAST:
967 lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
968 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
971 case MACREG_INT_CODE_MIC_ERR_MULTICAST:
972 lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
973 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
975 case MACREG_INT_CODE_MIB_CHANGED:
976 case MACREG_INT_CODE_INIT_DONE:
979 case MACREG_INT_CODE_ADHOC_BCN_LOST:
980 lbs_deb_cmd("EVENT: HWAC - ADHOC BCN LOST\n");
983 case MACREG_INT_CODE_RSSI_LOW:
984 lbs_pr_alert( "EVENT: RSSI_LOW\n");
986 case MACREG_INT_CODE_SNR_LOW:
987 lbs_pr_alert( "EVENT: SNR_LOW\n");
989 case MACREG_INT_CODE_MAX_FAIL:
990 lbs_pr_alert( "EVENT: MAX_FAIL\n");
992 case MACREG_INT_CODE_RSSI_HIGH:
993 lbs_pr_alert( "EVENT: RSSI_HIGH\n");
995 case MACREG_INT_CODE_SNR_HIGH:
996 lbs_pr_alert( "EVENT: SNR_HIGH\n");
999 case MACREG_INT_CODE_MESH_AUTO_STARTED:
1000 lbs_pr_alert( "EVENT: MESH_AUTO_STARTED\n");
1001 adapter->connect_status = LIBERTAS_CONNECTED ;
1002 if (priv->mesh_open == 1) {
1003 netif_wake_queue(priv->mesh_dev) ;
1004 netif_carrier_on(priv->mesh_dev) ;
1006 adapter->mode = IW_MODE_ADHOC ;
1007 schedule_work(&priv->sync_channel);
1011 lbs_pr_alert( "EVENT: unknown event id: %#x\n",
1012 eventcause >> SBI_EVENT_CAUSE_SHIFT);
1016 spin_lock_irq(&adapter->driver_lock);
1017 adapter->eventcause = 0;
1018 spin_unlock_irq(&adapter->driver_lock);
1020 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);