[ath9k-devel] iwconfig drives which modules in the kernel/ath9k

[Serene Gud <serene_gud@yahoo.co.in>]

--- On Mon, 4/11/11, Mohammed Shafi <shafi.ath9k@gmail.com> wrote:

From: Mohammed Shafi <shafi.ath9k@gmail.com>
Subject: Re: [ath9k-devel] iwconfig drives which modules in the kernel/ath9k
To: "Serene Gud" <serene_gud@yahoo.co.in>
Cc: "ath9k" <ath9k-devel@lists.ath9k.org>
Date: Monday, April 11, 2011, 9:49 AM



On Mon, Apr 11, 2011 at 3:16 AM, Serene Gud <serene_gud@yahoo.co.in> wrote:

Hi all,


I am able to print out the present operating frequency from the ath9k/main.c file in dmesg and if I change the frequency using iwconfig, the output of of dmesg shows that the frequency has been changed. As far as I could figure out struct ieee80211_channel is defined in ./include/net/cfg80211.h which defines one element as center_freq. But what I do not know is that which file has the code that is affected by the "iwconfig wlan0 channel #" command because struct ieee80211_channel is used in may files in ./net/mac80211 ./net/wireless and ./drivers/net/wireless/ath/ath9k folders mainly.


*driver in main.c see ath_set_channel which is called by ath9k_config (this is called by mac80211 callback .config) 
*then look at ieee80211_set_channel in mac80211
* look at wext-* files (complex)


If anybody knows, kindly share...
Thanks!

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Yes, I am printing the value of operating frequency from ath_set_channel in ath9k/main.c and it comes up in the dmesg every time I change the value with iwconfig. 

Thanks a lot for the telling me about ieee80211_set_channel in mac80211 !


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