a45061b1f33ccb2ffcac96b043b0af399781a4ef
[safe/jmp/linux-2.6] / 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/sched.h>
7 #include <linux/if_arp.h>
8 #include <linux/netdevice.h>
9 #include <asm/unaligned.h>
10 #include <net/iw_handler.h>
11
12 #include "host.h"
13 #include "decl.h"
14 #include "cmd.h"
15 #include "defs.h"
16 #include "dev.h"
17 #include "assoc.h"
18 #include "wext.h"
19
20 /**
21  *  @brief This function handles disconnect event. it
22  *  reports disconnect to upper layer, clean tx/rx packets,
23  *  reset link state etc.
24  *
25  *  @param priv    A pointer to struct lbs_private structure
26  *  @return        n/a
27  */
28 void lbs_mac_event_disconnected(struct lbs_private *priv)
29 {
30         union iwreq_data wrqu;
31
32         if (priv->connect_status != LBS_CONNECTED)
33                 return;
34
35         lbs_deb_enter(LBS_DEB_ASSOC);
36
37         memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
38         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
39
40         /*
41          * Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
42          * It causes problem in the Supplicant
43          */
44
45         msleep_interruptible(1000);
46         wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
47
48         /* report disconnect to upper layer */
49         netif_stop_queue(priv->dev);
50         netif_carrier_off(priv->dev);
51
52         /* Free Tx and Rx packets */
53         kfree_skb(priv->currenttxskb);
54         priv->currenttxskb = NULL;
55         priv->tx_pending_len = 0;
56
57         /* reset SNR/NF/RSSI values */
58         memset(priv->SNR, 0x00, sizeof(priv->SNR));
59         memset(priv->NF, 0x00, sizeof(priv->NF));
60         memset(priv->RSSI, 0x00, sizeof(priv->RSSI));
61         memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
62         memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
63         priv->nextSNRNF = 0;
64         priv->numSNRNF = 0;
65         priv->connect_status = LBS_DISCONNECTED;
66
67         /* Clear out associated SSID and BSSID since connection is
68          * no longer valid.
69          */
70         memset(&priv->curbssparams.bssid, 0, ETH_ALEN);
71         memset(&priv->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
72         priv->curbssparams.ssid_len = 0;
73
74         if (priv->psstate != PS_STATE_FULL_POWER) {
75                 /* make firmware to exit PS mode */
76                 lbs_deb_cmd("disconnected, so exit PS mode\n");
77                 lbs_ps_wakeup(priv, 0);
78         }
79         lbs_deb_leave(LBS_DEB_ASSOC);
80 }
81
82 /**
83  *  @brief This function handles MIC failure event.
84  *
85  *  @param priv    A pointer to struct lbs_private structure
86  *  @para  event   the event id
87  *  @return        n/a
88  */
89 static void handle_mic_failureevent(struct lbs_private *priv, u32 event)
90 {
91         char buf[50];
92
93         lbs_deb_enter(LBS_DEB_CMD);
94         memset(buf, 0, sizeof(buf));
95
96         sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
97
98         if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) {
99                 strcat(buf, "unicast ");
100         } else {
101                 strcat(buf, "multicast ");
102         }
103
104         lbs_send_iwevcustom_event(priv, buf);
105         lbs_deb_leave(LBS_DEB_CMD);
106 }
107
108 static int lbs_ret_reg_access(struct lbs_private *priv,
109                                u16 type, struct cmd_ds_command *resp)
110 {
111         int ret = 0;
112
113         lbs_deb_enter(LBS_DEB_CMD);
114
115         switch (type) {
116         case CMD_RET(CMD_MAC_REG_ACCESS):
117                 {
118                         struct cmd_ds_mac_reg_access *reg = &resp->params.macreg;
119
120                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
121                         priv->offsetvalue.value = le32_to_cpu(reg->value);
122                         break;
123                 }
124
125         case CMD_RET(CMD_BBP_REG_ACCESS):
126                 {
127                         struct cmd_ds_bbp_reg_access *reg = &resp->params.bbpreg;
128
129                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
130                         priv->offsetvalue.value = reg->value;
131                         break;
132                 }
133
134         case CMD_RET(CMD_RF_REG_ACCESS):
135                 {
136                         struct cmd_ds_rf_reg_access *reg = &resp->params.rfreg;
137
138                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
139                         priv->offsetvalue.value = reg->value;
140                         break;
141                 }
142
143         default:
144                 ret = -1;
145         }
146
147         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
148         return ret;
149 }
150
151 static int lbs_ret_802_11_rssi(struct lbs_private *priv,
152                                 struct cmd_ds_command *resp)
153 {
154         struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
155
156         lbs_deb_enter(LBS_DEB_CMD);
157
158         /* store the non average value */
159         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->SNR);
160         priv->NF[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->noisefloor);
161
162         priv->SNR[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgSNR);
163         priv->NF[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgnoisefloor);
164
165         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
166             CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
167                      priv->NF[TYPE_BEACON][TYPE_NOAVG]);
168
169         priv->RSSI[TYPE_BEACON][TYPE_AVG] =
170             CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
171                      priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
172
173         lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
174                priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
175                priv->RSSI[TYPE_BEACON][TYPE_AVG]);
176
177         lbs_deb_leave(LBS_DEB_CMD);
178         return 0;
179 }
180
181 static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
182                                         struct cmd_ds_command *resp)
183 {
184         struct cmd_ds_802_11_beacon_control *bcn_ctrl =
185             &resp->params.bcn_ctrl;
186
187         lbs_deb_enter(LBS_DEB_CMD);
188
189         if (bcn_ctrl->action == CMD_ACT_GET) {
190                 priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable);
191                 priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period);
192         }
193
194         lbs_deb_enter(LBS_DEB_CMD);
195         return 0;
196 }
197
198 static inline int handle_cmd_response(struct lbs_private *priv,
199                                       struct cmd_header *cmd_response)
200 {
201         struct cmd_ds_command *resp = (struct cmd_ds_command *) cmd_response;
202         int ret = 0;
203         unsigned long flags;
204         uint16_t respcmd = le16_to_cpu(resp->command);
205
206         lbs_deb_enter(LBS_DEB_HOST);
207
208         switch (respcmd) {
209         case CMD_RET(CMD_MAC_REG_ACCESS):
210         case CMD_RET(CMD_BBP_REG_ACCESS):
211         case CMD_RET(CMD_RF_REG_ACCESS):
212                 ret = lbs_ret_reg_access(priv, respcmd, resp);
213                 break;
214
215         case CMD_RET(CMD_802_11_SET_AFC):
216         case CMD_RET(CMD_802_11_GET_AFC):
217                 spin_lock_irqsave(&priv->driver_lock, flags);
218                 memmove((void *)priv->cur_cmd->callback_arg, &resp->params.afc,
219                         sizeof(struct cmd_ds_802_11_afc));
220                 spin_unlock_irqrestore(&priv->driver_lock, flags);
221
222                 break;
223
224         case CMD_RET(CMD_802_11_BEACON_STOP):
225                 break;
226
227         case CMD_RET(CMD_802_11_RSSI):
228                 ret = lbs_ret_802_11_rssi(priv, resp);
229                 break;
230
231         case CMD_RET(CMD_802_11D_DOMAIN_INFO):
232                 ret = lbs_ret_802_11d_domain_info(resp);
233                 break;
234
235         case CMD_RET(CMD_802_11_TPC_CFG):
236                 spin_lock_irqsave(&priv->driver_lock, flags);
237                 memmove((void *)priv->cur_cmd->callback_arg, &resp->params.tpccfg,
238                         sizeof(struct cmd_ds_802_11_tpc_cfg));
239                 spin_unlock_irqrestore(&priv->driver_lock, flags);
240                 break;
241         case CMD_RET(CMD_802_11_LED_GPIO_CTRL):
242                 spin_lock_irqsave(&priv->driver_lock, flags);
243                 memmove((void *)priv->cur_cmd->callback_arg, &resp->params.ledgpio,
244                         sizeof(struct cmd_ds_802_11_led_ctrl));
245                 spin_unlock_irqrestore(&priv->driver_lock, flags);
246                 break;
247
248         case CMD_RET(CMD_GET_TSF):
249                 spin_lock_irqsave(&priv->driver_lock, flags);
250                 memcpy((void *)priv->cur_cmd->callback_arg,
251                        &resp->params.gettsf.tsfvalue, sizeof(u64));
252                 spin_unlock_irqrestore(&priv->driver_lock, flags);
253                 break;
254         case CMD_RET(CMD_BT_ACCESS):
255                 spin_lock_irqsave(&priv->driver_lock, flags);
256                 if (priv->cur_cmd->callback_arg)
257                         memcpy((void *)priv->cur_cmd->callback_arg,
258                                &resp->params.bt.addr1, 2 * ETH_ALEN);
259                 spin_unlock_irqrestore(&priv->driver_lock, flags);
260                 break;
261         case CMD_RET(CMD_FWT_ACCESS):
262                 spin_lock_irqsave(&priv->driver_lock, flags);
263                 if (priv->cur_cmd->callback_arg)
264                         memcpy((void *)priv->cur_cmd->callback_arg, &resp->params.fwt,
265                                sizeof(resp->params.fwt));
266                 spin_unlock_irqrestore(&priv->driver_lock, flags);
267                 break;
268         case CMD_RET(CMD_802_11_BEACON_CTRL):
269                 ret = lbs_ret_802_11_bcn_ctrl(priv, resp);
270                 break;
271
272         default:
273                 lbs_pr_err("CMD_RESP: unknown cmd response 0x%04x\n",
274                            le16_to_cpu(resp->command));
275                 break;
276         }
277         lbs_deb_leave(LBS_DEB_HOST);
278         return ret;
279 }
280
281 int lbs_process_command_response(struct lbs_private *priv, u8 *data, u32 len)
282 {
283         uint16_t respcmd, curcmd;
284         struct cmd_header *resp;
285         int ret = 0;
286         unsigned long flags;
287         uint16_t result;
288
289         lbs_deb_enter(LBS_DEB_HOST);
290
291         mutex_lock(&priv->lock);
292         spin_lock_irqsave(&priv->driver_lock, flags);
293
294         if (!priv->cur_cmd) {
295                 lbs_deb_host("CMD_RESP: cur_cmd is NULL\n");
296                 ret = -1;
297                 spin_unlock_irqrestore(&priv->driver_lock, flags);
298                 goto done;
299         }
300
301         resp = (void *)data;
302         curcmd = le16_to_cpu(priv->cur_cmd->cmdbuf->command);
303         respcmd = le16_to_cpu(resp->command);
304         result = le16_to_cpu(resp->result);
305
306         lbs_deb_cmd("CMD_RESP: response 0x%04x, seq %d, size %d\n",
307                      respcmd, le16_to_cpu(resp->seqnum), len);
308         lbs_deb_hex(LBS_DEB_CMD, "CMD_RESP", (void *) resp, len);
309
310         if (resp->seqnum != priv->cur_cmd->cmdbuf->seqnum) {
311                 lbs_pr_info("Received CMD_RESP with invalid sequence %d (expected %d)\n",
312                             le16_to_cpu(resp->seqnum), le16_to_cpu(priv->cur_cmd->cmdbuf->seqnum));
313                 spin_unlock_irqrestore(&priv->driver_lock, flags);
314                 ret = -1;
315                 goto done;
316         }
317         if (respcmd != CMD_RET(curcmd) &&
318             respcmd != CMD_RET_802_11_ASSOCIATE && curcmd != CMD_802_11_ASSOCIATE) {
319                 lbs_pr_info("Invalid CMD_RESP %x to command %x!\n", respcmd, curcmd);
320                 spin_unlock_irqrestore(&priv->driver_lock, flags);
321                 ret = -1;
322                 goto done;
323         }
324
325         if (resp->result == cpu_to_le16(0x0004)) {
326                 /* 0x0004 means -EAGAIN. Drop the response, let it time out
327                    and be resubmitted */
328                 lbs_pr_info("Firmware returns DEFER to command %x. Will let it time out...\n",
329                             le16_to_cpu(resp->command));
330                 spin_unlock_irqrestore(&priv->driver_lock, flags);
331                 ret = -1;
332                 goto done;
333         }
334
335         /* Now we got response from FW, cancel the command timer */
336         del_timer(&priv->command_timer);
337         priv->cmd_timed_out = 0;
338         if (priv->nr_retries) {
339                 lbs_pr_info("Received result %x to command %x after %d retries\n",
340                             result, curcmd, priv->nr_retries);
341                 priv->nr_retries = 0;
342         }
343
344         /* Store the response code to cur_cmd_retcode. */
345         priv->cur_cmd_retcode = result;
346
347         if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
348                 struct cmd_ds_802_11_ps_mode *psmode = (void *) &resp[1];
349                 u16 action = le16_to_cpu(psmode->action);
350
351                 lbs_deb_host(
352                        "CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n",
353                        result, action);
354
355                 if (result) {
356                         lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n",
357                                     result);
358                         /*
359                          * We should not re-try enter-ps command in
360                          * ad-hoc mode. It takes place in
361                          * lbs_execute_next_command().
362                          */
363                         if (priv->mode == IW_MODE_ADHOC &&
364                             action == CMD_SUBCMD_ENTER_PS)
365                                 priv->psmode = LBS802_11POWERMODECAM;
366                 } else if (action == CMD_SUBCMD_ENTER_PS) {
367                         priv->needtowakeup = 0;
368                         priv->psstate = PS_STATE_AWAKE;
369
370                         lbs_deb_host("CMD_RESP: ENTER_PS command response\n");
371                         if (priv->connect_status != LBS_CONNECTED) {
372                                 /*
373                                  * When Deauth Event received before Enter_PS command
374                                  * response, We need to wake up the firmware.
375                                  */
376                                 lbs_deb_host(
377                                        "disconnected, invoking lbs_ps_wakeup\n");
378
379                                 spin_unlock_irqrestore(&priv->driver_lock, flags);
380                                 mutex_unlock(&priv->lock);
381                                 lbs_ps_wakeup(priv, 0);
382                                 mutex_lock(&priv->lock);
383                                 spin_lock_irqsave(&priv->driver_lock, flags);
384                         }
385                 } else if (action == CMD_SUBCMD_EXIT_PS) {
386                         priv->needtowakeup = 0;
387                         priv->psstate = PS_STATE_FULL_POWER;
388                         lbs_deb_host("CMD_RESP: EXIT_PS command response\n");
389                 } else {
390                         lbs_deb_host("CMD_RESP: PS action 0x%X\n", action);
391                 }
392
393                 lbs_complete_command(priv, priv->cur_cmd, result);
394                 spin_unlock_irqrestore(&priv->driver_lock, flags);
395
396                 ret = 0;
397                 goto done;
398         }
399
400         /* If the command is not successful, cleanup and return failure */
401         if ((result != 0 || !(respcmd & 0x8000))) {
402                 lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n",
403                        result, respcmd);
404                 /*
405                  * Handling errors here
406                  */
407                 switch (respcmd) {
408                 case CMD_RET(CMD_GET_HW_SPEC):
409                 case CMD_RET(CMD_802_11_RESET):
410                         lbs_deb_host("CMD_RESP: reset failed\n");
411                         break;
412
413                 }
414                 lbs_complete_command(priv, priv->cur_cmd, result);
415                 spin_unlock_irqrestore(&priv->driver_lock, flags);
416
417                 ret = -1;
418                 goto done;
419         }
420
421         spin_unlock_irqrestore(&priv->driver_lock, flags);
422
423         if (priv->cur_cmd && priv->cur_cmd->callback) {
424                 ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg,
425                                 resp);
426         } else
427                 ret = handle_cmd_response(priv, resp);
428
429         spin_lock_irqsave(&priv->driver_lock, flags);
430
431         if (priv->cur_cmd) {
432                 /* Clean up and Put current command back to cmdfreeq */
433                 lbs_complete_command(priv, priv->cur_cmd, result);
434         }
435         spin_unlock_irqrestore(&priv->driver_lock, flags);
436
437 done:
438         mutex_unlock(&priv->lock);
439         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
440         return ret;
441 }
442
443 static int lbs_send_confirmwake(struct lbs_private *priv)
444 {
445         struct cmd_header cmd;
446         int ret = 0;
447
448         lbs_deb_enter(LBS_DEB_HOST);
449
450         cmd.command = cpu_to_le16(CMD_802_11_WAKEUP_CONFIRM);
451         cmd.size = cpu_to_le16(sizeof(cmd));
452         cmd.seqnum = cpu_to_le16(++priv->seqnum);
453         cmd.result = 0;
454
455         lbs_deb_hex(LBS_DEB_HOST, "wake confirm", (u8 *) &cmd,
456                 sizeof(cmd));
457
458         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &cmd, sizeof(cmd));
459         if (ret)
460                 lbs_pr_alert("SEND_WAKEC_CMD: Host to Card failed for Confirm Wake\n");
461
462         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
463         return ret;
464 }
465
466 int lbs_process_event(struct lbs_private *priv, u32 event)
467 {
468         int ret = 0;
469
470         lbs_deb_enter(LBS_DEB_CMD);
471
472         switch (event) {
473         case MACREG_INT_CODE_LINK_SENSED:
474                 lbs_deb_cmd("EVENT: link sensed\n");
475                 break;
476
477         case MACREG_INT_CODE_DEAUTHENTICATED:
478                 lbs_deb_cmd("EVENT: deauthenticated\n");
479                 lbs_mac_event_disconnected(priv);
480                 break;
481
482         case MACREG_INT_CODE_DISASSOCIATED:
483                 lbs_deb_cmd("EVENT: disassociated\n");
484                 lbs_mac_event_disconnected(priv);
485                 break;
486
487         case MACREG_INT_CODE_LINK_LOST_NO_SCAN:
488                 lbs_deb_cmd("EVENT: link lost\n");
489                 lbs_mac_event_disconnected(priv);
490                 break;
491
492         case MACREG_INT_CODE_PS_SLEEP:
493                 lbs_deb_cmd("EVENT: ps sleep\n");
494
495                 /* handle unexpected PS SLEEP event */
496                 if (priv->psstate == PS_STATE_FULL_POWER) {
497                         lbs_deb_cmd(
498                                "EVENT: in FULL POWER mode, ignoreing PS_SLEEP\n");
499                         break;
500                 }
501                 priv->psstate = PS_STATE_PRE_SLEEP;
502
503                 lbs_ps_confirm_sleep(priv);
504
505                 break;
506
507         case MACREG_INT_CODE_HOST_AWAKE:
508                 lbs_deb_cmd("EVENT: host awake\n");
509                 if (priv->reset_deep_sleep_wakeup)
510                         priv->reset_deep_sleep_wakeup(priv);
511                 priv->is_deep_sleep = 0;
512                 lbs_send_confirmwake(priv);
513                 break;
514
515         case MACREG_INT_CODE_DEEP_SLEEP_AWAKE:
516                 if (priv->reset_deep_sleep_wakeup)
517                         priv->reset_deep_sleep_wakeup(priv);
518                 lbs_deb_cmd("EVENT: ds awake\n");
519                 priv->is_deep_sleep = 0;
520                 priv->wakeup_dev_required = 0;
521                 wake_up_interruptible(&priv->ds_awake_q);
522                 break;
523
524         case MACREG_INT_CODE_PS_AWAKE:
525                 lbs_deb_cmd("EVENT: ps awake\n");
526                 /* handle unexpected PS AWAKE event */
527                 if (priv->psstate == PS_STATE_FULL_POWER) {
528                         lbs_deb_cmd(
529                                "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
530                         break;
531                 }
532
533                 priv->psstate = PS_STATE_AWAKE;
534
535                 if (priv->needtowakeup) {
536                         /*
537                          * wait for the command processing to finish
538                          * before resuming sending
539                          * priv->needtowakeup will be set to FALSE
540                          * in lbs_ps_wakeup()
541                          */
542                         lbs_deb_cmd("waking up ...\n");
543                         lbs_ps_wakeup(priv, 0);
544                 }
545                 break;
546
547         case MACREG_INT_CODE_MIC_ERR_UNICAST:
548                 lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
549                 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
550                 break;
551
552         case MACREG_INT_CODE_MIC_ERR_MULTICAST:
553                 lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
554                 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
555                 break;
556
557         case MACREG_INT_CODE_MIB_CHANGED:
558                 lbs_deb_cmd("EVENT: MIB CHANGED\n");
559                 break;
560         case MACREG_INT_CODE_INIT_DONE:
561                 lbs_deb_cmd("EVENT: INIT DONE\n");
562                 break;
563         case MACREG_INT_CODE_ADHOC_BCN_LOST:
564                 lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
565                 break;
566         case MACREG_INT_CODE_RSSI_LOW:
567                 lbs_pr_alert("EVENT: rssi low\n");
568                 break;
569         case MACREG_INT_CODE_SNR_LOW:
570                 lbs_pr_alert("EVENT: snr low\n");
571                 break;
572         case MACREG_INT_CODE_MAX_FAIL:
573                 lbs_pr_alert("EVENT: max fail\n");
574                 break;
575         case MACREG_INT_CODE_RSSI_HIGH:
576                 lbs_pr_alert("EVENT: rssi high\n");
577                 break;
578         case MACREG_INT_CODE_SNR_HIGH:
579                 lbs_pr_alert("EVENT: snr high\n");
580                 break;
581
582         case MACREG_INT_CODE_MESH_AUTO_STARTED:
583                 /* Ignore spurious autostart events if autostart is disabled */
584                 if (!priv->mesh_autostart_enabled) {
585                         lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n");
586                         break;
587                 }
588                 lbs_pr_info("EVENT: MESH_AUTO_STARTED\n");
589                 priv->mesh_connect_status = LBS_CONNECTED;
590                 if (priv->mesh_open) {
591                         netif_carrier_on(priv->mesh_dev);
592                         if (!priv->tx_pending_len)
593                                 netif_wake_queue(priv->mesh_dev);
594                 }
595                 priv->mode = IW_MODE_ADHOC;
596                 schedule_work(&priv->sync_channel);
597                 break;
598
599         default:
600                 lbs_pr_alert("EVENT: unknown event id %d\n", event);
601                 break;
602         }
603
604         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
605         return ret;
606 }