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

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

I M using linux kernel downloaded from kernel.org instead of compat-wireless.

But I was able to find tthe following:

./include/net/cfg80211.h:int cfg80211_wext_giwname
./include/net/cfg80211.h:int cfg80211_wext_siwmode
./include/net/cfg80211.h:int cfg80211_wext_giwmode
./include/net/cfg80211.h:int cfg80211_wext_siwscan
./include/net/cfg80211.h:int cfg80211_wext_giwscan
./include/net/cfg80211.h:int cfg80211_wext_siwmlme
./include/net/cfg80211.h:int cfg80211_wext_giwrange
./include/net/cfg80211.h:int cfg80211_wext_siwgenie

Not sure of how to use them 8-|



--- 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>
Date: Monday, April 11, 2011, 9:53 AM

also wext-core.c
static const struct iw_ioctl_description standard_ioctl[] = {
??????? [IW_IOCTL_IDX(SIOCSIWCOMMIT)] = {


On Mon, Apr 11, 2011 at 8:21 PM, Mohammed Shafi <shafi.ath9k@gmail.com> wrote:

in wext-compat.c 
static const iw_handler cfg80211_handlers[] = {
??????? [IW_IOCTL_IDX(SIOCGIWNAME)]???? = (iw_handler) cfg80211_wext_giwname,

??????? [IW_IOCTL_IDX(SIOCSIWFREQ)]???? = (iw_handler) cfg80211_wext_siwfreq,

??????? [IW_IOCTL_IDX(SIOCGIWFREQ)]???? = (iw_handler) cfg80211_wext_giwfreq,
??????? [IW_IOCTL_IDX(SIOCSIWMODE)]???? = (iw_handler) cfg80211_wext_siwmode,
??????? [IW_IOCTL_IDX(SIOCGIWMODE)]???? = (iw_handler) cfg80211_wext_giwmode,


??????? [IW_IOCTL_IDX(SIOCGIWRANGE)]??? = (iw_handler) cfg80211_wext_giw

On Mon, Apr 11, 2011 at 8:19 PM, Mohammed Shafi <shafi.ath9k@gmail.com> wrote:




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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