hi Johannes,

as I told you I have done...
actually it was certainly nothing to do, I just assigned a my_function to 
the pointer of
hard_start_xmit  and i implemented my_function in ath_pci module  done my 
work
and then call the actuall function, which is exported btw, in wlan module 
which is sending data frame using  dev_queue_xmit(). and its working 
perfect..
but I just wonder one thing: in ath_pci module  net_device  *dev  is ath0 
interface
on the other hand wlan module  *dev is wifi0  interface (e.g.)
still is working well.

could anyone please give me a hints how  dev_queue_xmit() is using tx data 
queue (HAL_TX_QUEUE_DATA) to transmit data queue.
actually I want to use data queue for sending beacon frame, ofcourse not 
real implementation
but for an experiment, a research purpose..

R
/Frank

From: Johannes Berg <johannes@sipsolutions.net>
To: Frank Schneider <redacted>
CC: netdev@vger.kernel.org
Subject: Re: Loop detected - calling function from different modules
Date: Thu, 31 Aug 2006 11:57:46 +0200

Frank,

quoted

Any suggestions to do that please ?

d80211 has a hardware definition struct that is registered by the driver
and contains a callback that is called for each frame. This is the
direction you should take as well:

   hard_start_xmit (generic code)
calls
   hardware_xmit (your module code, e.g. in a struct wlan_device)

johannes
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