libertas: convert sleep/wake config direct commands
[linux-3.10.git] / drivers / net / wireless / libertas / 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         /* report disconnect to upper layer */
47         netif_stop_queue(priv->dev);
48         netif_carrier_off(priv->dev);
49
50         /* Free Tx and Rx packets */
51         kfree_skb(priv->currenttxskb);
52         priv->currenttxskb = NULL;
53         priv->tx_pending_len = 0;
54
55         /* reset SNR/NF/RSSI values */
56         memset(priv->SNR, 0x00, sizeof(priv->SNR));
57         memset(priv->NF, 0x00, sizeof(priv->NF));
58         memset(priv->RSSI, 0x00, sizeof(priv->RSSI));
59         memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
60         memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
61         priv->nextSNRNF = 0;
62         priv->numSNRNF = 0;
63         priv->connect_status = LBS_DISCONNECTED;
64
65         /* Clear out associated SSID and BSSID since connection is
66          * no longer valid.
67          */
68         memset(&priv->curbssparams.bssid, 0, ETH_ALEN);
69         memset(&priv->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
70         priv->curbssparams.ssid_len = 0;
71
72         if (priv->psstate != PS_STATE_FULL_POWER) {
73                 /* make firmware to exit PS mode */
74                 lbs_deb_cmd("disconnected, so exit PS mode\n");
75                 lbs_ps_wakeup(priv, 0);
76         }
77         lbs_deb_leave(LBS_DEB_ASSOC);
78 }
79
80 /**
81  *  @brief This function handles MIC failure event.
82  *
83  *  @param priv    A pointer to struct lbs_private structure
84  *  @para  event   the event id
85  *  @return        n/a
86  */
87 static void handle_mic_failureevent(struct lbs_private *priv, u32 event)
88 {
89         char buf[50];
90
91         lbs_deb_enter(LBS_DEB_CMD);
92         memset(buf, 0, sizeof(buf));
93
94         sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
95
96         if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) {
97                 strcat(buf, "unicast ");
98         } else {
99                 strcat(buf, "multicast ");
100         }
101
102         lbs_send_iwevcustom_event(priv, buf);
103         lbs_deb_leave(LBS_DEB_CMD);
104 }
105
106 static int lbs_ret_reg_access(struct lbs_private *priv,
107                                u16 type, struct cmd_ds_command *resp)
108 {
109         int ret = 0;
110
111         lbs_deb_enter(LBS_DEB_CMD);
112
113         switch (type) {
114         case CMD_RET(CMD_MAC_REG_ACCESS):
115                 {
116                         struct cmd_ds_mac_reg_access *reg = &resp->params.macreg;
117
118                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
119                         priv->offsetvalue.value = le32_to_cpu(reg->value);
120                         break;
121                 }
122
123         case CMD_RET(CMD_BBP_REG_ACCESS):
124                 {
125                         struct cmd_ds_bbp_reg_access *reg = &resp->params.bbpreg;
126
127                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
128                         priv->offsetvalue.value = reg->value;
129                         break;
130                 }
131
132         case CMD_RET(CMD_RF_REG_ACCESS):
133                 {
134                         struct cmd_ds_rf_reg_access *reg = &resp->params.rfreg;
135
136                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
137                         priv->offsetvalue.value = reg->value;
138                         break;
139                 }
140
141         default:
142                 ret = -1;
143         }
144
145         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
146         return ret;
147 }
148
149 static int lbs_ret_802_11_snmp_mib(struct lbs_private *priv,
150                                     struct cmd_ds_command *resp)
151 {
152         struct cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
153         u16 oid = le16_to_cpu(smib->oid);
154         u16 querytype = le16_to_cpu(smib->querytype);
155
156         lbs_deb_enter(LBS_DEB_CMD);
157
158         lbs_deb_cmd("SNMP_RESP: oid 0x%x, querytype 0x%x\n", oid,
159                querytype);
160         lbs_deb_cmd("SNMP_RESP: Buf size %d\n", le16_to_cpu(smib->bufsize));
161
162         if (querytype == CMD_ACT_GET) {
163                 switch (oid) {
164                 case FRAGTHRESH_I:
165                         priv->fragthsd =
166                                 le16_to_cpu(*((__le16 *)(smib->value)));
167                         lbs_deb_cmd("SNMP_RESP: frag threshold %u\n",
168                                     priv->fragthsd);
169                         break;
170                 case RTSTHRESH_I:
171                         priv->rtsthsd =
172                                 le16_to_cpu(*((__le16 *)(smib->value)));
173                         lbs_deb_cmd("SNMP_RESP: rts threshold %u\n",
174                                     priv->rtsthsd);
175                         break;
176                 case SHORT_RETRYLIM_I:
177                         priv->txretrycount =
178                                 le16_to_cpu(*((__le16 *)(smib->value)));
179                         lbs_deb_cmd("SNMP_RESP: tx retry count %u\n",
180                                     priv->rtsthsd);
181                         break;
182                 default:
183                         break;
184                 }
185         }
186
187         lbs_deb_enter(LBS_DEB_CMD);
188         return 0;
189 }
190
191 static int lbs_ret_802_11_rf_tx_power(struct lbs_private *priv,
192                                        struct cmd_ds_command *resp)
193 {
194         struct cmd_ds_802_11_rf_tx_power *rtp = &resp->params.txp;
195
196         lbs_deb_enter(LBS_DEB_CMD);
197
198         priv->txpowerlevel = le16_to_cpu(rtp->currentlevel);
199
200         lbs_deb_cmd("TX power currently %d\n", priv->txpowerlevel);
201
202         lbs_deb_leave(LBS_DEB_CMD);
203         return 0;
204 }
205
206 static int lbs_ret_802_11_rate_adapt_rateset(struct lbs_private *priv,
207                                               struct cmd_ds_command *resp)
208 {
209         struct cmd_ds_802_11_rate_adapt_rateset *rates = &resp->params.rateset;
210
211         lbs_deb_enter(LBS_DEB_CMD);
212
213         if (rates->action == CMD_ACT_GET) {
214                 priv->enablehwauto = le16_to_cpu(rates->enablehwauto);
215                 priv->ratebitmap = le16_to_cpu(rates->bitmap);
216         }
217
218         lbs_deb_leave(LBS_DEB_CMD);
219         return 0;
220 }
221
222 static int lbs_ret_802_11_rssi(struct lbs_private *priv,
223                                 struct cmd_ds_command *resp)
224 {
225         struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
226
227         lbs_deb_enter(LBS_DEB_CMD);
228
229         /* store the non average value */
230         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
231         priv->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
232
233         priv->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
234         priv->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
235
236         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
237             CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
238                      priv->NF[TYPE_BEACON][TYPE_NOAVG]);
239
240         priv->RSSI[TYPE_BEACON][TYPE_AVG] =
241             CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
242                      priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
243
244         lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
245                priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
246                priv->RSSI[TYPE_BEACON][TYPE_AVG]);
247
248         lbs_deb_leave(LBS_DEB_CMD);
249         return 0;
250 }
251
252 static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
253                                         struct cmd_ds_command *resp)
254 {
255         struct cmd_ds_802_11_beacon_control *bcn_ctrl =
256             &resp->params.bcn_ctrl;
257
258         lbs_deb_enter(LBS_DEB_CMD);
259
260         if (bcn_ctrl->action == CMD_ACT_GET) {
261                 priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable);
262                 priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period);
263         }
264
265         lbs_deb_enter(LBS_DEB_CMD);
266         return 0;
267 }
268
269 static inline int handle_cmd_response(struct lbs_private *priv,
270                                       struct cmd_header *cmd_response)
271 {
272         struct cmd_ds_command *resp = (struct cmd_ds_command *) cmd_response;
273         int ret = 0;
274         unsigned long flags;
275         uint16_t respcmd = le16_to_cpu(resp->command);
276
277         lbs_deb_enter(LBS_DEB_HOST);
278
279         switch (respcmd) {
280         case CMD_RET(CMD_MAC_REG_ACCESS):
281         case CMD_RET(CMD_BBP_REG_ACCESS):
282         case CMD_RET(CMD_RF_REG_ACCESS):
283                 ret = lbs_ret_reg_access(priv, respcmd, resp);
284                 break;
285
286         case CMD_RET_802_11_ASSOCIATE:
287         case CMD_RET(CMD_802_11_ASSOCIATE):
288         case CMD_RET(CMD_802_11_REASSOCIATE):
289                 ret = lbs_ret_80211_associate(priv, resp);
290                 break;
291
292         case CMD_RET(CMD_802_11_DISASSOCIATE):
293         case CMD_RET(CMD_802_11_DEAUTHENTICATE):
294                 ret = lbs_ret_80211_disassociate(priv);
295                 break;
296
297         case CMD_RET(CMD_802_11_AD_HOC_START):
298         case CMD_RET(CMD_802_11_AD_HOC_JOIN):
299                 ret = lbs_ret_80211_ad_hoc_start(priv, resp);
300                 break;
301
302         case CMD_RET(CMD_802_11_SNMP_MIB):
303                 ret = lbs_ret_802_11_snmp_mib(priv, resp);
304                 break;
305
306         case CMD_RET(CMD_802_11_RF_TX_POWER):
307                 ret = lbs_ret_802_11_rf_tx_power(priv, resp);
308                 break;
309
310         case CMD_RET(CMD_802_11_SET_AFC):
311         case CMD_RET(CMD_802_11_GET_AFC):
312                 spin_lock_irqsave(&priv->driver_lock, flags);
313                 memmove((void *)priv->cur_cmd->callback_arg, &resp->params.afc,
314                         sizeof(struct cmd_ds_802_11_afc));
315                 spin_unlock_irqrestore(&priv->driver_lock, flags);
316
317                 break;
318
319         case CMD_RET(CMD_MAC_MULTICAST_ADR):
320         case CMD_RET(CMD_802_11_RESET):
321         case CMD_RET(CMD_802_11_AUTHENTICATE):
322         case CMD_RET(CMD_802_11_BEACON_STOP):
323                 break;
324
325         case CMD_RET(CMD_802_11_RATE_ADAPT_RATESET):
326                 ret = lbs_ret_802_11_rate_adapt_rateset(priv, resp);
327                 break;
328
329         case CMD_RET(CMD_802_11_RSSI):
330                 ret = lbs_ret_802_11_rssi(priv, resp);
331                 break;
332
333         case CMD_RET(CMD_802_11_AD_HOC_STOP):
334                 ret = lbs_ret_80211_ad_hoc_stop(priv);
335                 break;
336
337         case CMD_RET(CMD_802_11D_DOMAIN_INFO):
338                 ret = lbs_ret_802_11d_domain_info(resp);
339                 break;
340
341         case CMD_RET(CMD_802_11_TPC_CFG):
342                 spin_lock_irqsave(&priv->driver_lock, flags);
343                 memmove((void *)priv->cur_cmd->callback_arg, &resp->params.tpccfg,
344                         sizeof(struct cmd_ds_802_11_tpc_cfg));
345                 spin_unlock_irqrestore(&priv->driver_lock, flags);
346                 break;
347         case CMD_RET(CMD_802_11_LED_GPIO_CTRL):
348                 spin_lock_irqsave(&priv->driver_lock, flags);
349                 memmove((void *)priv->cur_cmd->callback_arg, &resp->params.ledgpio,
350                         sizeof(struct cmd_ds_802_11_led_ctrl));
351                 spin_unlock_irqrestore(&priv->driver_lock, flags);
352                 break;
353
354         case CMD_RET(CMD_GET_TSF):
355                 spin_lock_irqsave(&priv->driver_lock, flags);
356                 memcpy((void *)priv->cur_cmd->callback_arg,
357                        &resp->params.gettsf.tsfvalue, sizeof(u64));
358                 spin_unlock_irqrestore(&priv->driver_lock, flags);
359                 break;
360         case CMD_RET(CMD_BT_ACCESS):
361                 spin_lock_irqsave(&priv->driver_lock, flags);
362                 if (priv->cur_cmd->callback_arg)
363                         memcpy((void *)priv->cur_cmd->callback_arg,
364                                &resp->params.bt.addr1, 2 * ETH_ALEN);
365                 spin_unlock_irqrestore(&priv->driver_lock, flags);
366                 break;
367         case CMD_RET(CMD_FWT_ACCESS):
368                 spin_lock_irqsave(&priv->driver_lock, flags);
369                 if (priv->cur_cmd->callback_arg)
370                         memcpy((void *)priv->cur_cmd->callback_arg, &resp->params.fwt,
371                                sizeof(resp->params.fwt));
372                 spin_unlock_irqrestore(&priv->driver_lock, flags);
373                 break;
374         case CMD_RET(CMD_802_11_BEACON_CTRL):
375                 ret = lbs_ret_802_11_bcn_ctrl(priv, resp);
376                 break;
377
378         default:
379                 lbs_deb_host("CMD_RESP: unknown cmd response 0x%04x\n",
380                              le16_to_cpu(resp->command));
381                 break;
382         }
383         lbs_deb_leave(LBS_DEB_HOST);
384         return ret;
385 }
386
387 int lbs_process_rx_command(struct lbs_private *priv)
388 {
389         uint16_t respcmd, curcmd;
390         struct cmd_header *resp;
391         int ret = 0;
392         unsigned long flags;
393         uint16_t result;
394
395         lbs_deb_enter(LBS_DEB_HOST);
396
397         mutex_lock(&priv->lock);
398         spin_lock_irqsave(&priv->driver_lock, flags);
399
400         if (!priv->cur_cmd) {
401                 lbs_deb_host("CMD_RESP: cur_cmd is NULL\n");
402                 ret = -1;
403                 spin_unlock_irqrestore(&priv->driver_lock, flags);
404                 goto done;
405         }
406
407         resp = (void *)priv->upld_buf;
408         curcmd = le16_to_cpu(priv->cur_cmd->cmdbuf->command);
409         respcmd = le16_to_cpu(resp->command);
410         result = le16_to_cpu(resp->result);
411
412         lbs_deb_cmd("CMD_RESP: response 0x%04x, seq %d, size %d\n",
413                      respcmd, le16_to_cpu(resp->seqnum), priv->upld_len);
414         lbs_deb_hex(LBS_DEB_CMD, "CMD_RESP", (void *) resp, priv->upld_len);
415
416         if (resp->seqnum != priv->cur_cmd->cmdbuf->seqnum) {
417                 lbs_pr_info("Received CMD_RESP with invalid sequence %d (expected %d)\n",
418                             le16_to_cpu(resp->seqnum), le16_to_cpu(priv->cur_cmd->cmdbuf->seqnum));
419                 spin_unlock_irqrestore(&priv->driver_lock, flags);
420                 ret = -1;
421                 goto done;
422         }
423         if (respcmd != CMD_RET(curcmd) &&
424             respcmd != CMD_RET_802_11_ASSOCIATE && curcmd != CMD_802_11_ASSOCIATE) {
425                 lbs_pr_info("Invalid CMD_RESP %x to command %x!\n", respcmd, curcmd);
426                 spin_unlock_irqrestore(&priv->driver_lock, flags);
427                 ret = -1;
428                 goto done;
429         }
430
431         if (resp->result == cpu_to_le16(0x0004)) {
432                 /* 0x0004 means -EAGAIN. Drop the response, let it time out
433                    and be resubmitted */
434                 lbs_pr_info("Firmware returns DEFER to command %x. Will let it time out...\n",
435                             le16_to_cpu(resp->command));
436                 spin_unlock_irqrestore(&priv->driver_lock, flags);
437                 ret = -1;
438                 goto done;
439         }
440
441         /* Now we got response from FW, cancel the command timer */
442         del_timer(&priv->command_timer);
443         priv->cmd_timed_out = 0;
444         if (priv->nr_retries) {
445                 lbs_pr_info("Received result %x to command %x after %d retries\n",
446                             result, curcmd, priv->nr_retries);
447                 priv->nr_retries = 0;
448         }
449
450         /* Store the response code to cur_cmd_retcode. */
451         priv->cur_cmd_retcode = result;
452
453         if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
454                 struct cmd_ds_802_11_ps_mode *psmode = (void *) &resp[1];
455                 u16 action = le16_to_cpu(psmode->action);
456
457                 lbs_deb_host(
458                        "CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n",
459                        result, action);
460
461                 if (result) {
462                         lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n",
463                                     result);
464                         /*
465                          * We should not re-try enter-ps command in
466                          * ad-hoc mode. It takes place in
467                          * lbs_execute_next_command().
468                          */
469                         if (priv->mode == IW_MODE_ADHOC &&
470                             action == CMD_SUBCMD_ENTER_PS)
471                                 priv->psmode = LBS802_11POWERMODECAM;
472                 } else if (action == CMD_SUBCMD_ENTER_PS) {
473                         priv->needtowakeup = 0;
474                         priv->psstate = PS_STATE_AWAKE;
475
476                         lbs_deb_host("CMD_RESP: ENTER_PS command response\n");
477                         if (priv->connect_status != LBS_CONNECTED) {
478                                 /*
479                                  * When Deauth Event received before Enter_PS command
480                                  * response, We need to wake up the firmware.
481                                  */
482                                 lbs_deb_host(
483                                        "disconnected, invoking lbs_ps_wakeup\n");
484
485                                 spin_unlock_irqrestore(&priv->driver_lock, flags);
486                                 mutex_unlock(&priv->lock);
487                                 lbs_ps_wakeup(priv, 0);
488                                 mutex_lock(&priv->lock);
489                                 spin_lock_irqsave(&priv->driver_lock, flags);
490                         }
491                 } else if (action == CMD_SUBCMD_EXIT_PS) {
492                         priv->needtowakeup = 0;
493                         priv->psstate = PS_STATE_FULL_POWER;
494                         lbs_deb_host("CMD_RESP: EXIT_PS command response\n");
495                 } else {
496                         lbs_deb_host("CMD_RESP: PS action 0x%X\n", action);
497                 }
498
499                 lbs_complete_command(priv, priv->cur_cmd, result);
500                 spin_unlock_irqrestore(&priv->driver_lock, flags);
501
502                 ret = 0;
503                 goto done;
504         }
505
506         /* If the command is not successful, cleanup and return failure */
507         if ((result != 0 || !(respcmd & 0x8000))) {
508                 lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n",
509                        result, respcmd);
510                 /*
511                  * Handling errors here
512                  */
513                 switch (respcmd) {
514                 case CMD_RET(CMD_GET_HW_SPEC):
515                 case CMD_RET(CMD_802_11_RESET):
516                         lbs_deb_host("CMD_RESP: reset failed\n");
517                         break;
518
519                 }
520                 lbs_complete_command(priv, priv->cur_cmd, result);
521                 spin_unlock_irqrestore(&priv->driver_lock, flags);
522
523                 ret = -1;
524                 goto done;
525         }
526
527         spin_unlock_irqrestore(&priv->driver_lock, flags);
528
529         if (priv->cur_cmd && priv->cur_cmd->callback) {
530                 ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg,
531                                 resp);
532         } else
533                 ret = handle_cmd_response(priv, resp);
534
535         spin_lock_irqsave(&priv->driver_lock, flags);
536
537         if (priv->cur_cmd) {
538                 /* Clean up and Put current command back to cmdfreeq */
539                 lbs_complete_command(priv, priv->cur_cmd, result);
540         }
541         spin_unlock_irqrestore(&priv->driver_lock, flags);
542
543 done:
544         mutex_unlock(&priv->lock);
545         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
546         return ret;
547 }
548
549 static int lbs_send_confirmwake(struct lbs_private *priv)
550 {
551         struct cmd_header cmd;
552         int ret = 0;
553
554         lbs_deb_enter(LBS_DEB_HOST);
555
556         cmd.command = cpu_to_le16(CMD_802_11_WAKEUP_CONFIRM);
557         cmd.size = cpu_to_le16(sizeof(cmd));
558         cmd.seqnum = cpu_to_le16(++priv->seqnum);
559         cmd.result = 0;
560
561         lbs_deb_hex(LBS_DEB_HOST, "wake confirm", (u8 *) &cmd,
562                 sizeof(cmd));
563
564         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &cmd, sizeof(cmd));
565         if (ret)
566                 lbs_pr_alert("SEND_WAKEC_CMD: Host to Card failed for Confirm Wake\n");
567
568         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
569         return ret;
570 }
571
572 int lbs_process_event(struct lbs_private *priv)
573 {
574         int ret = 0;
575         u32 eventcause;
576
577         lbs_deb_enter(LBS_DEB_CMD);
578
579         spin_lock_irq(&priv->driver_lock);
580         eventcause = priv->eventcause >> SBI_EVENT_CAUSE_SHIFT;
581         spin_unlock_irq(&priv->driver_lock);
582
583         switch (eventcause) {
584         case MACREG_INT_CODE_LINK_SENSED:
585                 lbs_deb_cmd("EVENT: link sensed\n");
586                 break;
587
588         case MACREG_INT_CODE_DEAUTHENTICATED:
589                 lbs_deb_cmd("EVENT: deauthenticated\n");
590                 lbs_mac_event_disconnected(priv);
591                 break;
592
593         case MACREG_INT_CODE_DISASSOCIATED:
594                 lbs_deb_cmd("EVENT: disassociated\n");
595                 lbs_mac_event_disconnected(priv);
596                 break;
597
598         case MACREG_INT_CODE_LINK_LOST_NO_SCAN:
599                 lbs_deb_cmd("EVENT: link lost\n");
600                 lbs_mac_event_disconnected(priv);
601                 break;
602
603         case MACREG_INT_CODE_PS_SLEEP:
604                 lbs_deb_cmd("EVENT: ps sleep\n");
605
606                 /* handle unexpected PS SLEEP event */
607                 if (priv->psstate == PS_STATE_FULL_POWER) {
608                         lbs_deb_cmd(
609                                "EVENT: in FULL POWER mode, ignoreing PS_SLEEP\n");
610                         break;
611                 }
612                 priv->psstate = PS_STATE_PRE_SLEEP;
613
614                 lbs_ps_confirm_sleep(priv);
615
616                 break;
617
618         case MACREG_INT_CODE_HOST_AWAKE:
619                 lbs_deb_cmd("EVENT: host awake\n");
620                 lbs_send_confirmwake(priv);
621                 break;
622
623         case MACREG_INT_CODE_PS_AWAKE:
624                 lbs_deb_cmd("EVENT: ps awake\n");
625                 /* handle unexpected PS AWAKE event */
626                 if (priv->psstate == PS_STATE_FULL_POWER) {
627                         lbs_deb_cmd(
628                                "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
629                         break;
630                 }
631
632                 priv->psstate = PS_STATE_AWAKE;
633
634                 if (priv->needtowakeup) {
635                         /*
636                          * wait for the command processing to finish
637                          * before resuming sending
638                          * priv->needtowakeup will be set to FALSE
639                          * in lbs_ps_wakeup()
640                          */
641                         lbs_deb_cmd("waking up ...\n");
642                         lbs_ps_wakeup(priv, 0);
643                 }
644                 break;
645
646         case MACREG_INT_CODE_MIC_ERR_UNICAST:
647                 lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
648                 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
649                 break;
650
651         case MACREG_INT_CODE_MIC_ERR_MULTICAST:
652                 lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
653                 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
654                 break;
655
656         case MACREG_INT_CODE_MIB_CHANGED:
657                 lbs_deb_cmd("EVENT: MIB CHANGED\n");
658                 break;
659         case MACREG_INT_CODE_INIT_DONE:
660                 lbs_deb_cmd("EVENT: INIT DONE\n");
661                 break;
662         case MACREG_INT_CODE_ADHOC_BCN_LOST:
663                 lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
664                 break;
665         case MACREG_INT_CODE_RSSI_LOW:
666                 lbs_pr_alert("EVENT: rssi low\n");
667                 break;
668         case MACREG_INT_CODE_SNR_LOW:
669                 lbs_pr_alert("EVENT: snr low\n");
670                 break;
671         case MACREG_INT_CODE_MAX_FAIL:
672                 lbs_pr_alert("EVENT: max fail\n");
673                 break;
674         case MACREG_INT_CODE_RSSI_HIGH:
675                 lbs_pr_alert("EVENT: rssi high\n");
676                 break;
677         case MACREG_INT_CODE_SNR_HIGH:
678                 lbs_pr_alert("EVENT: snr high\n");
679                 break;
680
681         case MACREG_INT_CODE_MESH_AUTO_STARTED:
682                 /* Ignore spurious autostart events if autostart is disabled */
683                 if (!priv->mesh_autostart_enabled) {
684                         lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n");
685                         break;
686                 }
687                 lbs_pr_info("EVENT: MESH_AUTO_STARTED\n");
688                 priv->mesh_connect_status = LBS_CONNECTED;
689                 if (priv->mesh_open) {
690                         netif_carrier_on(priv->mesh_dev);
691                         if (!priv->tx_pending_len)
692                                 netif_wake_queue(priv->mesh_dev);
693                 }
694                 priv->mode = IW_MODE_ADHOC;
695                 schedule_work(&priv->sync_channel);
696                 break;
697
698         default:
699                 lbs_pr_alert("EVENT: unknown event id %d\n", eventcause);
700                 break;
701         }
702
703         spin_lock_irq(&priv->driver_lock);
704         priv->eventcause = 0;
705         spin_unlock_irq(&priv->driver_lock);
706
707         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
708         return ret;
709 }