static void ar6000_restart_endpoint(struct net_device *dev) { A_STATUS status = A_OK; AR_SOFTC_T *ar = (AR_SOFTC_T*)netdev_priv(dev); if (down_interruptible(&ar->arSem)) { AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s(): down_interruptible failed \n", __func__)); return ; } if (ar->bIsDestroyProgress) { up(&ar->arSem); return; } BMIInit(); do { if ( (status=ar6000_configure_target(ar))!=A_OK) break; if ( (status=ar6000_sysfs_bmi_get_config(ar, wlaninitmode)) != A_OK) { AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ar6000_avail: ar6000_sysfs_bmi_get_config failed\n")); break; } rtnl_lock(); status = (ar6000_init(dev)==0) ? A_OK : A_ERROR; rtnl_unlock(); if (status!=A_OK) { break; } if (ar->arWlanState==WLAN_ENABLED) { if (ar->arSsidLen) { ar6000_connect_to_ap(ar); } } else { WMI_SET_WOW_MODE_CMD wowMode = { .enable_wow = FALSE }; WMI_SET_HOST_SLEEP_MODE_CMD hostSleepMode = { .awake = FALSE, .asleep = TRUE }; WMI_REPORT_SLEEP_STATE_EVENT wmiSleepEvent = { .sleepState = WMI_REPORT_SLEEP_STATUS_IS_DEEP_SLEEP }; wmi_set_wow_mode_cmd(ar->arWmi, &wowMode); ar6000_send_event_to_app(ar, WMI_REPORT_SLEEP_STATE_EVENTID, (A_UINT8*)&wmiSleepEvent, sizeof(WMI_REPORT_SLEEP_STATE_EVENTID)); wmi_set_host_sleep_mode_cmd(ar->arWmi, &hostSleepMode); } } while (0); up(&ar->arSem); if (status==A_OK) { return; } ar6000_devices[ar->arDeviceIndex] = NULL; ar6000_destroy(ar->arNetDev, 1); }
A_STATUS ar6000_enter_exit_deep_sleep_state(AR_SOFTC_T *ar, A_BOOL exit) { A_STATUS status = A_OK; if (down_interruptible(&ar->arSem)) { return A_ERROR; } AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("%s: Deep sleep %d %d \n", __func__,exit, ar->arWlanPowerState)); #ifdef CONFIG_PM AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("Wlan OFF %d BT OFf %d \n", ar->arWlanOff, ar->arBTOff)); #endif do { WMI_REPORT_SLEEP_STATE_EVENT wmiSleepEvent ; WMI_SET_HOST_SLEEP_MODE_CMD hostSleepMode; if (exit) { A_UINT16 fg_start_period; /* Not in deep sleep state.. exit */ if (ar->arWlanPowerState != WLAN_POWER_STATE_DEEP_SLEEP) { break; } fg_start_period = (ar->scParams.fg_start_period==0) ? 1 : ar->scParams.fg_start_period; hostSleepMode.awake = TRUE; hostSleepMode.asleep = FALSE; if ((status=wmi_set_host_sleep_mode_cmd(ar->arWmi, &hostSleepMode)) != A_OK) { break; } wmiSleepEvent.sleepState = WMI_REPORT_SLEEP_STATUS_IS_AWAKE; ar6000_send_event_to_app(ar, WMI_REPORT_SLEEP_STATE_EVENTID, (A_UINT8*)&wmiSleepEvent, sizeof(WMI_REPORT_SLEEP_STATE_EVENTID)); /* Enable foreground scanning */ if ((status=wmi_scanparams_cmd(ar->arWmi, fg_start_period, ar->scParams.fg_end_period, ar->scParams.bg_period, ar->scParams.minact_chdwell_time, ar->scParams.maxact_chdwell_time, ar->scParams.pas_chdwell_time, ar->scParams.shortScanRatio, ar->scParams.scanCtrlFlags, ar->scParams.max_dfsch_act_time, ar->scParams.maxact_scan_per_ssid)) != A_OK) { break; } if (ar->arSsidLen) { if (ar6000_connect_to_ap(ar) != A_OK) { /* no need to report error if connection failed */ break; } } /* Change the state to ON */ ar->arWlanPowerState = WLAN_POWER_STATE_ON; } else { WMI_SET_WOW_MODE_CMD wowMode = { .enable_wow = FALSE }; /* Already in deep sleep state.. exit */ if (ar->arWlanPowerState == WLAN_POWER_STATE_DEEP_SLEEP) { break; } /* make sure we disable wow for deep sleep */ if ((status=wmi_set_wow_mode_cmd(ar->arWmi, &wowMode))!=A_OK) { break; } wmiSleepEvent.sleepState = WMI_REPORT_SLEEP_STATUS_IS_DEEP_SLEEP; ar6000_send_event_to_app(ar, WMI_REPORT_SLEEP_STATE_EVENTID, (A_UINT8*)&wmiSleepEvent, sizeof(WMI_REPORT_SLEEP_STATE_EVENTID)); /* Disconnect from the AP and disable foreground scanning */ AR6000_SPIN_LOCK(&ar->arLock, 0); if (ar->arConnected == TRUE || ar->arConnectPending == TRUE) { AR6000_SPIN_UNLOCK(&ar->arLock, 0); wmi_disconnect_cmd(ar->arWmi); } else { AR6000_SPIN_UNLOCK(&ar->arLock, 0); } ar->scan_triggered = 0; if ((status=wmi_scanparams_cmd(ar->arWmi, 0xFFFF, 0, 0, 0, 0, 0, 0, 0, 0, 0)) != A_OK) { break; } ar6000_TxDataCleanup(ar); #ifndef ATH6K_CONFIG_OTA_MODE wmi_powermode_cmd(ar->arWmi, REC_POWER); #endif hostSleepMode.awake = FALSE; hostSleepMode.asleep = TRUE; if ((status=wmi_set_host_sleep_mode_cmd(ar->arWmi, &hostSleepMode))!=A_OK) { break; } if (ar->arTxPending[ar->arControlEp]) { A_UINT32 timeleft = wait_event_interruptible_timeout(arEvent, ar->arTxPending[ar->arControlEp] == 0, wmitimeout * HZ); if (!timeleft || signal_pending(current)) { status = A_ERROR; break; } } status = hifWaitForPendingRecv(ar->arHifDevice); ar->arWlanPowerState = WLAN_POWER_STATE_DEEP_SLEEP; } } while (0); if (status!=A_OK) { AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Fail to enter/exit deep sleep %d\n", exit)); } up(&ar->arSem); return status; }