if (dev->wireless_handlers == NULL)
return NULL;

/* Try as a standard command */
index = cmd - SIOCIWFIRST;
if (index < dev->wireless_handlers->num_standard)
return dev->wireless_handlers->standard[index];

/* Try as a private command */
index = cmd - SIOCIWFIRSTPRIV;
if (index < dev->wireless_handlers->num_private)
return dev->wireless_handlers->private[index];

/* Not found */
return NULL;
}


=>sock_ioctl
=>dev_ioctl
+++/* Take care of Wireless Extensions */
+++if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST)
+++return wext_handle_ioctl(net, &ifr, cmd, arg);
=>wext_handle_ioctl
=>wireless_process_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd)
=>get_handler(dev, cmd);如果没有实现该cmd,那么将调用dev->do_ioctl来处理,


wlan_reassoc_timer_func=>
wmm_start_queue=>
wlan_tx_packet=>
wlan_tx_timeout=>
wlan_remove_card=>
wlan_hostcmd_ioctl=>
wlan_auto_deep_sleep=>
wlan_set_deep_sleep=>
wlan_prepare_cmd=>
wlan_cmd_timeout_func=>
将调用wake_up_interruptible(&priv->MainThread.waitQ);唤醒wlan_service_main_thread主处理线程.

wlan_hard_start_xmit=>wlan_tx_packet发送数据包
dev->tx_timeout = wlan_tx_timeout;
wlan_initialize_timer(&Adapter->MrvDrvCommandTimer, wlan_cmd_timeout_func, priv);

int wlan_do_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
{
...
case WLAN_WAKEUP_MT:
if (wrq->u.data.length > 0)
Adapter->IntCounter++;
wake_up_interruptible(&priv->MainThread.waitQ);
break;
...
}


在wlan_process_cmdresp()处理完该cmd之后,调用
wlan_insert_cmd_to_free_q=>wlan_clean_cmd_noder,从命令链表上删除已经处理完成的cmd_node,
wl
an_clean_cmd_noder然后pTempNode->CmdWaitQWoken = TRUE;同时如果该cmd_node是一个被阻塞等待的,那么唤醒等待的程序.
wake_up_interruptible(&pTempNode->cmdwait_q);