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[openwrt/svn-archive/archive.git] / package / libertas / src / cmdresp.c
1 /**
2 * This file contains the handling of command
3 * responses as well as events generated by firmware.
4 */
5 #include <linux/delay.h>
6 #include <linux/if_arp.h>
7 #include <linux/netdevice.h>
8
9 #include <net/iw_handler.h>
10
11 #include "host.h"
12 #include "decl.h"
13 #include "defs.h"
14 #include "dev.h"
15 #include "join.h"
16 #include "wext.h"
17
18 /**
19 * @brief This function handles disconnect event. it
20 * reports disconnect to upper layer, clean tx/rx packets,
21 * reset link state etc.
22 *
23 * @param priv A pointer to struct lbs_private structure
24 * @return n/a
25 */
26 void lbs_mac_event_disconnected(struct lbs_private *priv)
27 {
28 union iwreq_data wrqu;
29
30 if (priv->connect_status != LBS_CONNECTED)
31 return;
32
33 lbs_deb_enter(LBS_DEB_ASSOC);
34
35 memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
36 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
37
38 /*
39 * Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
40 * It causes problem in the Supplicant
41 */
42
43 msleep_interruptible(1000);
44 wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
45
46 /* Free Tx and Rx packets */
47 kfree_skb(priv->currenttxskb);
48 priv->currenttxskb = NULL;
49
50 /* report disconnect to upper layer */
51 netif_stop_queue(priv->dev);
52 netif_carrier_off(priv->dev);
53
54 /* reset SNR/NF/RSSI values */
55 memset(priv->SNR, 0x00, sizeof(priv->SNR));
56 memset(priv->NF, 0x00, sizeof(priv->NF));
57 memset(priv->RSSI, 0x00, sizeof(priv->RSSI));
58 memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
59 memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
60 priv->nextSNRNF = 0;
61 priv->numSNRNF = 0;
62 priv->connect_status = LBS_DISCONNECTED;
63
64 /* Clear out associated SSID and BSSID since connection is
65 * no longer valid.
66 */
67 memset(&priv->curbssparams.bssid, 0, ETH_ALEN);
68 memset(&priv->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
69 priv->curbssparams.ssid_len = 0;
70
71 if (priv->psstate != PS_STATE_FULL_POWER) {
72 /* make firmware to exit PS mode */
73 lbs_deb_cmd("disconnected, so exit PS mode\n");
74 lbs_ps_wakeup(priv, 0);
75 }
76 lbs_deb_leave(LBS_DEB_CMD);
77 }
78
79 /**
80 * @brief This function handles MIC failure event.
81 *
82 * @param priv A pointer to struct lbs_private structure
83 * @para event the event id
84 * @return n/a
85 */
86 static void handle_mic_failureevent(struct lbs_private *priv, u32 event)
87 {
88 char buf[50];
89
90 lbs_deb_enter(LBS_DEB_CMD);
91 memset(buf, 0, sizeof(buf));
92
93 sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
94
95 if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) {
96 strcat(buf, "unicast ");
97 } else {
98 strcat(buf, "multicast ");
99 }
100
101 lbs_send_iwevcustom_event(priv, buf);
102 lbs_deb_leave(LBS_DEB_CMD);
103 }
104
105 static int lbs_ret_reg_access(struct lbs_private *priv,
106 u16 type, struct cmd_ds_command *resp)
107 {
108 int ret = 0;
109
110 lbs_deb_enter(LBS_DEB_CMD);
111
112 switch (type) {
113 case CMD_RET(CMD_MAC_REG_ACCESS):
114 {
115 struct cmd_ds_mac_reg_access *reg = &resp->params.macreg;
116
117 priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
118 priv->offsetvalue.value = le32_to_cpu(reg->value);
119 break;
120 }
121
122 case CMD_RET(CMD_BBP_REG_ACCESS):
123 {
124 struct cmd_ds_bbp_reg_access *reg = &resp->params.bbpreg;
125
126 priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
127 priv->offsetvalue.value = reg->value;
128 break;
129 }
130
131 case CMD_RET(CMD_RF_REG_ACCESS):
132 {
133 struct cmd_ds_rf_reg_access *reg = &resp->params.rfreg;
134
135 priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
136 priv->offsetvalue.value = reg->value;
137 break;
138 }
139
140 default:
141 ret = -1;
142 }
143
144 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
145 return ret;
146 }
147
148 static int lbs_ret_802_11_sleep_params(struct lbs_private *priv,
149 struct cmd_ds_command *resp)
150 {
151 struct cmd_ds_802_11_sleep_params *sp = &resp->params.sleep_params;
152
153 lbs_deb_enter(LBS_DEB_CMD);
154
155 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, calcontrol 0x%x "
156 "extsleepclk 0x%x\n", le16_to_cpu(sp->error),
157 le16_to_cpu(sp->offset), le16_to_cpu(sp->stabletime),
158 sp->calcontrol, sp->externalsleepclk);
159
160 priv->sp.sp_error = le16_to_cpu(sp->error);
161 priv->sp.sp_offset = le16_to_cpu(sp->offset);
162 priv->sp.sp_stabletime = le16_to_cpu(sp->stabletime);
163 priv->sp.sp_calcontrol = sp->calcontrol;
164 priv->sp.sp_extsleepclk = sp->externalsleepclk;
165 priv->sp.sp_reserved = le16_to_cpu(sp->reserved);
166
167 lbs_deb_enter(LBS_DEB_CMD);
168 return 0;
169 }
170
171 static int lbs_ret_802_11_stat(struct lbs_private *priv,
172 struct cmd_ds_command *resp)
173 {
174 lbs_deb_enter(LBS_DEB_CMD);
175 /* currently priv->wlan802_11Stat is unused
176
177 struct cmd_ds_802_11_get_stat *p11Stat = &resp->params.gstat;
178
179 // TODO Convert it to Big endian befor copy
180 memcpy(&priv->wlan802_11Stat,
181 p11Stat, sizeof(struct cmd_ds_802_11_get_stat));
182 */
183 lbs_deb_leave(LBS_DEB_CMD);
184 return 0;
185 }
186
187 static int lbs_ret_802_11_snmp_mib(struct lbs_private *priv,
188 struct cmd_ds_command *resp)
189 {
190 struct cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
191 u16 oid = le16_to_cpu(smib->oid);
192 u16 querytype = le16_to_cpu(smib->querytype);
193
194 lbs_deb_enter(LBS_DEB_CMD);
195
196 lbs_deb_cmd("SNMP_RESP: oid 0x%x, querytype 0x%x\n", oid,
197 querytype);
198 lbs_deb_cmd("SNMP_RESP: Buf size %d\n", le16_to_cpu(smib->bufsize));
199
200 if (querytype == CMD_ACT_GET) {
201 switch (oid) {
202 case FRAGTHRESH_I:
203 priv->fragthsd =
204 le16_to_cpu(*((__le16 *)(smib->value)));
205 lbs_deb_cmd("SNMP_RESP: frag threshold %u\n",
206 priv->fragthsd);
207 break;
208 case RTSTHRESH_I:
209 priv->rtsthsd =
210 le16_to_cpu(*((__le16 *)(smib->value)));
211 lbs_deb_cmd("SNMP_RESP: rts threshold %u\n",
212 priv->rtsthsd);
213 break;
214 case SHORT_RETRYLIM_I:
215 priv->txretrycount =
216 le16_to_cpu(*((__le16 *)(smib->value)));
217 lbs_deb_cmd("SNMP_RESP: tx retry count %u\n",
218 priv->rtsthsd);
219 break;
220 default:
221 break;
222 }
223 }
224
225 lbs_deb_enter(LBS_DEB_CMD);
226 return 0;
227 }
228
229 static int lbs_ret_802_11_key_material(struct lbs_private *priv,
230 struct cmd_ds_command *resp)
231 {
232 struct cmd_ds_802_11_key_material *pkeymaterial =
233 &resp->params.keymaterial;
234 u16 action = le16_to_cpu(pkeymaterial->action);
235
236 lbs_deb_enter(LBS_DEB_CMD);
237
238 /* Copy the returned key to driver private data */
239 if (action == CMD_ACT_GET) {
240 u8 * buf_ptr = (u8 *) &pkeymaterial->keyParamSet;
241 u8 * resp_end = (u8 *) (resp + le16_to_cpu(resp->size));
242
243 while (buf_ptr < resp_end) {
244 struct MrvlIEtype_keyParamSet * pkeyparamset =
245 (struct MrvlIEtype_keyParamSet *) buf_ptr;
246 struct enc_key * pkey;
247 u16 param_set_len = le16_to_cpu(pkeyparamset->length);
248 u16 key_len = le16_to_cpu(pkeyparamset->keylen);
249 u16 key_flags = le16_to_cpu(pkeyparamset->keyinfo);
250 u16 key_type = le16_to_cpu(pkeyparamset->keytypeid);
251 u8 * end;
252
253 end = (u8 *) pkeyparamset + sizeof (pkeyparamset->type)
254 + sizeof (pkeyparamset->length)
255 + param_set_len;
256 /* Make sure we don't access past the end of the IEs */
257 if (end > resp_end)
258 break;
259
260 if (key_flags & KEY_INFO_WPA_UNICAST)
261 pkey = &priv->wpa_unicast_key;
262 else if (key_flags & KEY_INFO_WPA_MCAST)
263 pkey = &priv->wpa_mcast_key;
264 else
265 break;
266
267 /* Copy returned key into driver */
268 memset(pkey, 0, sizeof(struct enc_key));
269 if (key_len > sizeof(pkey->key))
270 break;
271 pkey->type = key_type;
272 pkey->flags = key_flags;
273 pkey->len = key_len;
274 memcpy(pkey->key, pkeyparamset->key, pkey->len);
275
276 buf_ptr = end + 1;
277 }
278 }
279
280 lbs_deb_enter(LBS_DEB_CMD);
281 return 0;
282 }
283
284 static int lbs_ret_802_11_mac_address(struct lbs_private *priv,
285 struct cmd_ds_command *resp)
286 {
287 struct cmd_ds_802_11_mac_address *macadd = &resp->params.macadd;
288
289 lbs_deb_enter(LBS_DEB_CMD);
290
291 memcpy(priv->current_addr, macadd->macadd, ETH_ALEN);
292
293 lbs_deb_enter(LBS_DEB_CMD);
294 return 0;
295 }
296
297 static int lbs_ret_802_11_rf_tx_power(struct lbs_private *priv,
298 struct cmd_ds_command *resp)
299 {
300 struct cmd_ds_802_11_rf_tx_power *rtp = &resp->params.txp;
301
302 lbs_deb_enter(LBS_DEB_CMD);
303
304 priv->txpowerlevel = le16_to_cpu(rtp->currentlevel);
305
306 lbs_deb_cmd("TX power currently %d\n", priv->txpowerlevel);
307
308 lbs_deb_leave(LBS_DEB_CMD);
309 return 0;
310 }
311
312 static int lbs_ret_802_11_rate_adapt_rateset(struct lbs_private *priv,
313 struct cmd_ds_command *resp)
314 {
315 struct cmd_ds_802_11_rate_adapt_rateset *rates = &resp->params.rateset;
316
317 lbs_deb_enter(LBS_DEB_CMD);
318
319 if (rates->action == CMD_ACT_GET) {
320 priv->enablehwauto = le16_to_cpu(rates->enablehwauto);
321 priv->ratebitmap = le16_to_cpu(rates->bitmap);
322 }
323
324 lbs_deb_leave(LBS_DEB_CMD);
325 return 0;
326 }
327
328 static int lbs_ret_802_11_rssi(struct lbs_private *priv,
329 struct cmd_ds_command *resp)
330 {
331 struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
332
333 lbs_deb_enter(LBS_DEB_CMD);
334
335 /* store the non average value */
336 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
337 priv->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
338
339 priv->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
340 priv->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
341
342 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
343 CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
344 priv->NF[TYPE_BEACON][TYPE_NOAVG]);
345
346 priv->RSSI[TYPE_BEACON][TYPE_AVG] =
347 CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
348 priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
349
350 lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
351 priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
352 priv->RSSI[TYPE_BEACON][TYPE_AVG]);
353
354 lbs_deb_leave(LBS_DEB_CMD);
355 return 0;
356 }
357
358 static int lbs_ret_802_11_eeprom_access(struct lbs_private *priv,
359 struct cmd_ds_command *resp)
360 {
361 struct lbs_ioctl_regrdwr *pbuf;
362 pbuf = (struct lbs_ioctl_regrdwr *) priv->prdeeprom;
363
364 lbs_deb_enter_args(LBS_DEB_CMD, "len %d",
365 le16_to_cpu(resp->params.rdeeprom.bytecount));
366 if (pbuf->NOB < le16_to_cpu(resp->params.rdeeprom.bytecount)) {
367 pbuf->NOB = 0;
368 lbs_deb_cmd("EEPROM read length too big\n");
369 return -1;
370 }
371 pbuf->NOB = le16_to_cpu(resp->params.rdeeprom.bytecount);
372 if (pbuf->NOB > 0) {
373
374 memcpy(&pbuf->value, (u8 *) & resp->params.rdeeprom.value,
375 le16_to_cpu(resp->params.rdeeprom.bytecount));
376 lbs_deb_hex(LBS_DEB_CMD, "EEPROM", (char *)&pbuf->value,
377 le16_to_cpu(resp->params.rdeeprom.bytecount));
378 }
379 lbs_deb_leave(LBS_DEB_CMD);
380 return 0;
381 }
382
383 static int lbs_ret_get_log(struct lbs_private *priv,
384 struct cmd_ds_command *resp)
385 {
386 struct cmd_ds_802_11_get_log *logmessage = &resp->params.glog;
387
388 lbs_deb_enter(LBS_DEB_CMD);
389
390 /* Stored little-endian */
391 memcpy(&priv->logmsg, logmessage, sizeof(struct cmd_ds_802_11_get_log));
392
393 lbs_deb_leave(LBS_DEB_CMD);
394 return 0;
395 }
396
397 static int lbs_ret_802_11_enable_rsn(struct lbs_private *priv,
398 struct cmd_ds_command *resp)
399 {
400 struct cmd_ds_802_11_enable_rsn *enable_rsn = &resp->params.enbrsn;
401 u32 * pdata_buf = priv->cur_cmd->pdata_buf;
402
403 lbs_deb_enter(LBS_DEB_CMD);
404
405 if (enable_rsn->action == cpu_to_le16(CMD_ACT_GET)) {
406 if (pdata_buf)
407 *pdata_buf = (u32) le16_to_cpu(enable_rsn->enable);
408 }
409
410 lbs_deb_leave(LBS_DEB_CMD);
411 return 0;
412 }
413
414 static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
415 struct cmd_ds_command *resp)
416 {
417 struct cmd_ds_802_11_beacon_control *bcn_ctrl =
418 &resp->params.bcn_ctrl;
419
420 lbs_deb_enter(LBS_DEB_CMD);
421
422 if (bcn_ctrl->action == CMD_ACT_GET) {
423 priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable);
424 priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period);
425 }
426
427 lbs_deb_enter(LBS_DEB_CMD);
428 return 0;
429 }
430
431 static int lbs_ret_802_11_subscribe_event(struct lbs_private *priv,
432 struct cmd_ds_command *resp)
433 {
434 struct cmd_ds_802_11_subscribe_event *cmd_event =
435 &resp->params.subscribe_event;
436 struct cmd_ds_802_11_subscribe_event *dst_event =
437 priv->cur_cmd->pdata_buf;
438
439 lbs_deb_enter(LBS_DEB_CMD);
440
441 if (dst_event->action == cpu_to_le16(CMD_ACT_GET)) {
442 dst_event->events = cmd_event->events;
443 memcpy(dst_event->tlv, cmd_event->tlv, sizeof(dst_event->tlv));
444 }
445
446 lbs_deb_leave(LBS_DEB_CMD);
447 return 0;
448 }
449
450 static inline int handle_cmd_response(struct lbs_private *priv,
451 unsigned long dummy,
452 struct cmd_header *cmd_response)
453 {
454 struct cmd_ds_command *resp = (struct cmd_ds_command *) cmd_response;
455 int ret = 0;
456 unsigned long flags;
457 uint16_t respcmd = le16_to_cpu(resp->command);
458
459 lbs_deb_enter(LBS_DEB_HOST);
460
461 switch (respcmd) {
462 case CMD_RET(CMD_MAC_REG_ACCESS):
463 case CMD_RET(CMD_BBP_REG_ACCESS):
464 case CMD_RET(CMD_RF_REG_ACCESS):
465 ret = lbs_ret_reg_access(priv, respcmd, resp);
466 break;
467
468 case CMD_RET(CMD_802_11_SCAN):
469 ret = lbs_ret_80211_scan(priv, resp);
470 break;
471
472 case CMD_RET(CMD_802_11_GET_LOG):
473 ret = lbs_ret_get_log(priv, resp);
474 break;
475
476 case CMD_RET_802_11_ASSOCIATE:
477 case CMD_RET(CMD_802_11_ASSOCIATE):
478 case CMD_RET(CMD_802_11_REASSOCIATE):
479 ret = lbs_ret_80211_associate(priv, resp);
480 break;
481
482 case CMD_RET(CMD_802_11_DISASSOCIATE):
483 case CMD_RET(CMD_802_11_DEAUTHENTICATE):
484 ret = lbs_ret_80211_disassociate(priv, resp);
485 break;
486
487 case CMD_RET(CMD_802_11_AD_HOC_START):
488 case CMD_RET(CMD_802_11_AD_HOC_JOIN):
489 ret = lbs_ret_80211_ad_hoc_start(priv, resp);
490 break;
491
492 case CMD_RET(CMD_802_11_GET_STAT):
493 ret = lbs_ret_802_11_stat(priv, resp);
494 break;
495
496 case CMD_RET(CMD_802_11_SNMP_MIB):
497 ret = lbs_ret_802_11_snmp_mib(priv, resp);
498 break;
499
500 case CMD_RET(CMD_802_11_RF_TX_POWER):
501 ret = lbs_ret_802_11_rf_tx_power(priv, resp);
502 break;
503
504 case CMD_RET(CMD_802_11_SET_AFC):
505 case CMD_RET(CMD_802_11_GET_AFC):
506 spin_lock_irqsave(&priv->driver_lock, flags);
507 memmove(priv->cur_cmd->pdata_buf, &resp->params.afc,
508 sizeof(struct cmd_ds_802_11_afc));
509 spin_unlock_irqrestore(&priv->driver_lock, flags);
510
511 break;
512
513 case CMD_RET(CMD_MAC_MULTICAST_ADR):
514 case CMD_RET(CMD_MAC_CONTROL):
515 case CMD_RET(CMD_802_11_SET_WEP):
516 case CMD_RET(CMD_802_11_RESET):
517 case CMD_RET(CMD_802_11_AUTHENTICATE):
518 case CMD_RET(CMD_802_11_RADIO_CONTROL):
519 case CMD_RET(CMD_802_11_BEACON_STOP):
520 break;
521
522 case CMD_RET(CMD_802_11_ENABLE_RSN):
523 ret = lbs_ret_802_11_enable_rsn(priv, resp);
524 break;
525
526 case CMD_RET(CMD_802_11_RATE_ADAPT_RATESET):
527 ret = lbs_ret_802_11_rate_adapt_rateset(priv, resp);
528 break;
529
530 case CMD_RET(CMD_802_11_RSSI):
531 ret = lbs_ret_802_11_rssi(priv, resp);
532 break;
533
534 case CMD_RET(CMD_802_11_MAC_ADDRESS):
535 ret = lbs_ret_802_11_mac_address(priv, resp);
536 break;
537
538 case CMD_RET(CMD_802_11_AD_HOC_STOP):
539 ret = lbs_ret_80211_ad_hoc_stop(priv, resp);
540 break;
541
542 case CMD_RET(CMD_802_11_KEY_MATERIAL):
543 ret = lbs_ret_802_11_key_material(priv, resp);
544 break;
545
546 case CMD_RET(CMD_802_11_EEPROM_ACCESS):
547 ret = lbs_ret_802_11_eeprom_access(priv, resp);
548 break;
549
550 case CMD_RET(CMD_802_11D_DOMAIN_INFO):
551 ret = lbs_ret_802_11d_domain_info(priv, resp);
552 break;
553
554 case CMD_RET(CMD_802_11_SLEEP_PARAMS):
555 ret = lbs_ret_802_11_sleep_params(priv, resp);
556 break;
557 case CMD_RET(CMD_802_11_INACTIVITY_TIMEOUT):
558 spin_lock_irqsave(&priv->driver_lock, flags);
559 *((u16 *) priv->cur_cmd->pdata_buf) =
560 le16_to_cpu(resp->params.inactivity_timeout.timeout);
561 spin_unlock_irqrestore(&priv->driver_lock, flags);
562 break;
563
564 case CMD_RET(CMD_802_11_TPC_CFG):
565 spin_lock_irqsave(&priv->driver_lock, flags);
566 memmove(priv->cur_cmd->pdata_buf, &resp->params.tpccfg,
567 sizeof(struct cmd_ds_802_11_tpc_cfg));
568 spin_unlock_irqrestore(&priv->driver_lock, flags);
569 break;
570 case CMD_RET(CMD_802_11_LED_GPIO_CTRL):
571 spin_lock_irqsave(&priv->driver_lock, flags);
572 memmove(priv->cur_cmd->pdata_buf, &resp->params.ledgpio,
573 sizeof(struct cmd_ds_802_11_led_ctrl));
574 spin_unlock_irqrestore(&priv->driver_lock, flags);
575 break;
576 case CMD_RET(CMD_802_11_SUBSCRIBE_EVENT):
577 ret = lbs_ret_802_11_subscribe_event(priv, resp);
578 break;
579
580 case CMD_RET(CMD_802_11_PWR_CFG):
581 spin_lock_irqsave(&priv->driver_lock, flags);
582 memmove(priv->cur_cmd->pdata_buf, &resp->params.pwrcfg,
583 sizeof(struct cmd_ds_802_11_pwr_cfg));
584 spin_unlock_irqrestore(&priv->driver_lock, flags);
585
586 break;
587
588 case CMD_RET(CMD_GET_TSF):
589 spin_lock_irqsave(&priv->driver_lock, flags);
590 memcpy(priv->cur_cmd->pdata_buf,
591 &resp->params.gettsf.tsfvalue, sizeof(u64));
592 spin_unlock_irqrestore(&priv->driver_lock, flags);
593 break;
594 case CMD_RET(CMD_BT_ACCESS):
595 spin_lock_irqsave(&priv->driver_lock, flags);
596 if (priv->cur_cmd->pdata_buf)
597 memcpy(priv->cur_cmd->pdata_buf,
598 &resp->params.bt.addr1, 2 * ETH_ALEN);
599 spin_unlock_irqrestore(&priv->driver_lock, flags);
600 break;
601 case CMD_RET(CMD_FWT_ACCESS):
602 spin_lock_irqsave(&priv->driver_lock, flags);
603 if (priv->cur_cmd->pdata_buf)
604 memcpy(priv->cur_cmd->pdata_buf, &resp->params.fwt,
605 sizeof(resp->params.fwt));
606 spin_unlock_irqrestore(&priv->driver_lock, flags);
607 break;
608 case CMD_RET(CMD_802_11_BEACON_CTRL):
609 ret = lbs_ret_802_11_bcn_ctrl(priv, resp);
610 break;
611
612 default:
613 lbs_deb_host("CMD_RESP: unknown cmd response 0x%04x\n",
614 resp->command);
615 break;
616 }
617 lbs_deb_leave(LBS_DEB_HOST);
618 return ret;
619 }
620
621 int lbs_process_rx_command(struct lbs_private *priv)
622 {
623 u16 respcmd;
624 struct cmd_header *resp;
625 int ret = 0;
626 ulong flags;
627 u16 result;
628
629 lbs_deb_enter(LBS_DEB_HOST);
630
631 /* Now we got response from FW, cancel the command timer */
632 del_timer(&priv->command_timer);
633
634 mutex_lock(&priv->lock);
635 spin_lock_irqsave(&priv->driver_lock, flags);
636
637 if (!priv->cur_cmd) {
638 lbs_deb_host("CMD_RESP: cur_cmd is NULL\n");
639 ret = -1;
640 spin_unlock_irqrestore(&priv->driver_lock, flags);
641 goto done;
642 }
643 resp = priv->cur_cmd->cmdbuf;
644
645 respcmd = le16_to_cpu(resp->command);
646 result = le16_to_cpu(resp->result);
647
648 lbs_deb_host("CMD_RESP: response 0x%04x, size %d, jiffies %lu\n",
649 respcmd, priv->upld_len, jiffies);
650 lbs_deb_hex(LBS_DEB_HOST, "CMD_RESP", (void *) resp, priv->upld_len);
651
652 if (!(respcmd & 0x8000)) {
653 lbs_deb_host("invalid response!\n");
654 priv->cur_cmd_retcode = -1;
655 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
656 priv->cur_cmd = NULL;
657 spin_unlock_irqrestore(&priv->driver_lock, flags);
658 ret = -1;
659 goto done;
660 }
661
662 /* Store the response code to cur_cmd_retcode. */
663 priv->cur_cmd_retcode = result;
664
665 if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
666 struct cmd_ds_802_11_ps_mode *psmode = (void *) resp;
667 u16 action = le16_to_cpu(psmode->action);
668
669 lbs_deb_host(
670 "CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n",
671 result, action);
672
673 if (result) {
674 lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n",
675 result);
676 /*
677 * We should not re-try enter-ps command in
678 * ad-hoc mode. It takes place in
679 * lbs_execute_next_command().
680 */
681 if (priv->mode == IW_MODE_ADHOC &&
682 action == CMD_SUBCMD_ENTER_PS)
683 priv->psmode = LBS802_11POWERMODECAM;
684 } else if (action == CMD_SUBCMD_ENTER_PS) {
685 priv->needtowakeup = 0;
686 priv->psstate = PS_STATE_AWAKE;
687
688 lbs_deb_host("CMD_RESP: ENTER_PS command response\n");
689 if (priv->connect_status != LBS_CONNECTED) {
690 /*
691 * When Deauth Event received before Enter_PS command
692 * response, We need to wake up the firmware.
693 */
694 lbs_deb_host(
695 "disconnected, invoking lbs_ps_wakeup\n");
696
697 spin_unlock_irqrestore(&priv->driver_lock, flags);
698 mutex_unlock(&priv->lock);
699 lbs_ps_wakeup(priv, 0);
700 mutex_lock(&priv->lock);
701 spin_lock_irqsave(&priv->driver_lock, flags);
702 }
703 } else if (action == CMD_SUBCMD_EXIT_PS) {
704 priv->needtowakeup = 0;
705 priv->psstate = PS_STATE_FULL_POWER;
706 lbs_deb_host("CMD_RESP: EXIT_PS command response\n");
707 } else {
708 lbs_deb_host("CMD_RESP: PS action 0x%X\n", action);
709 }
710
711 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
712 priv->cur_cmd = NULL;
713 spin_unlock_irqrestore(&priv->driver_lock, flags);
714
715 ret = 0;
716 goto done;
717 }
718
719 /* If the command is not successful, cleanup and return failure */
720 if ((result != 0 || !(respcmd & 0x8000))) {
721 lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n",
722 result, respcmd);
723 /*
724 * Handling errors here
725 */
726 switch (respcmd) {
727 case CMD_RET(CMD_GET_HW_SPEC):
728 case CMD_RET(CMD_802_11_RESET):
729 lbs_deb_host("CMD_RESP: reset failed\n");
730 break;
731
732 }
733
734 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
735 priv->cur_cmd = NULL;
736 spin_unlock_irqrestore(&priv->driver_lock, flags);
737
738 ret = -1;
739 goto done;
740 }
741
742 spin_unlock_irqrestore(&priv->driver_lock, flags);
743
744 if (priv->cur_cmd && priv->cur_cmd->callback) {
745 ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg,
746 resp);
747 } else
748 ret = handle_cmd_response(priv, 0, resp);
749
750 spin_lock_irqsave(&priv->driver_lock, flags);
751
752 if (priv->cur_cmd) {
753 /* Clean up and Put current command back to cmdfreeq */
754 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
755 priv->cur_cmd = NULL;
756 }
757 spin_unlock_irqrestore(&priv->driver_lock, flags);
758
759 done:
760 mutex_unlock(&priv->lock);
761 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
762 return ret;
763 }
764
765 int lbs_process_event(struct lbs_private *priv)
766 {
767 int ret = 0;
768 u32 eventcause;
769
770 lbs_deb_enter(LBS_DEB_CMD);
771
772 spin_lock_irq(&priv->driver_lock);
773 eventcause = priv->eventcause >> SBI_EVENT_CAUSE_SHIFT;
774 spin_unlock_irq(&priv->driver_lock);
775
776 lbs_deb_cmd("event cause %d\n", eventcause);
777
778 switch (eventcause) {
779 case MACREG_INT_CODE_LINK_SENSED:
780 lbs_deb_cmd("EVENT: MACREG_INT_CODE_LINK_SENSED\n");
781 break;
782
783 case MACREG_INT_CODE_DEAUTHENTICATED:
784 lbs_deb_cmd("EVENT: deauthenticated\n");
785 lbs_mac_event_disconnected(priv);
786 break;
787
788 case MACREG_INT_CODE_DISASSOCIATED:
789 lbs_deb_cmd("EVENT: disassociated\n");
790 lbs_mac_event_disconnected(priv);
791 break;
792
793 case MACREG_INT_CODE_LINK_LOST_NO_SCAN:
794 lbs_deb_cmd("EVENT: link lost\n");
795 lbs_mac_event_disconnected(priv);
796 break;
797
798 case MACREG_INT_CODE_PS_SLEEP:
799 lbs_deb_cmd("EVENT: sleep\n");
800
801 /* handle unexpected PS SLEEP event */
802 if (priv->psstate == PS_STATE_FULL_POWER) {
803 lbs_deb_cmd(
804 "EVENT: in FULL POWER mode, ignoreing PS_SLEEP\n");
805 break;
806 }
807 priv->psstate = PS_STATE_PRE_SLEEP;
808
809 lbs_ps_confirm_sleep(priv, (u16) priv->psmode);
810
811 break;
812
813 case MACREG_INT_CODE_PS_AWAKE:
814 lbs_deb_cmd("EVENT: awake\n");
815
816 /* handle unexpected PS AWAKE event */
817 if (priv->psstate == PS_STATE_FULL_POWER) {
818 lbs_deb_cmd(
819 "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
820 break;
821 }
822
823 priv->psstate = PS_STATE_AWAKE;
824
825 if (priv->needtowakeup) {
826 /*
827 * wait for the command processing to finish
828 * before resuming sending
829 * priv->needtowakeup will be set to FALSE
830 * in lbs_ps_wakeup()
831 */
832 lbs_deb_cmd("waking up ...\n");
833 lbs_ps_wakeup(priv, 0);
834 }
835 break;
836
837 case MACREG_INT_CODE_MIC_ERR_UNICAST:
838 lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
839 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
840 break;
841
842 case MACREG_INT_CODE_MIC_ERR_MULTICAST:
843 lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
844 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
845 break;
846 case MACREG_INT_CODE_MIB_CHANGED:
847 case MACREG_INT_CODE_INIT_DONE:
848 break;
849
850 case MACREG_INT_CODE_ADHOC_BCN_LOST:
851 lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
852 break;
853
854 case MACREG_INT_CODE_RSSI_LOW:
855 lbs_pr_alert("EVENT: rssi low\n");
856 break;
857 case MACREG_INT_CODE_SNR_LOW:
858 lbs_pr_alert("EVENT: snr low\n");
859 break;
860 case MACREG_INT_CODE_MAX_FAIL:
861 lbs_pr_alert("EVENT: max fail\n");
862 break;
863 case MACREG_INT_CODE_RSSI_HIGH:
864 lbs_pr_alert("EVENT: rssi high\n");
865 break;
866 case MACREG_INT_CODE_SNR_HIGH:
867 lbs_pr_alert("EVENT: snr high\n");
868 break;
869
870 case MACREG_INT_CODE_MESH_AUTO_STARTED:
871 /* Ignore spurious autostart events if autostart is disabled */
872 if (!priv->mesh_autostart_enabled) {
873 lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n");
874 break;
875 }
876 lbs_pr_info("EVENT: MESH_AUTO_STARTED\n");
877 priv->mesh_connect_status = LBS_CONNECTED;
878 if (priv->mesh_open == 1) {
879 netif_wake_queue(priv->mesh_dev);
880 netif_carrier_on(priv->mesh_dev);
881 }
882 priv->mode = IW_MODE_ADHOC;
883 schedule_work(&priv->sync_channel);
884 break;
885
886 default:
887 lbs_pr_alert("EVENT: unknown event id %d\n", eventcause);
888 break;
889 }
890
891 spin_lock_irq(&priv->driver_lock);
892 priv->eventcause = 0;
893 spin_unlock_irq(&priv->driver_lock);
894
895 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
896 return ret;
897 }
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