Change the number of active antennas (RF-chains)

[Ben Greear]

On 09/11/2014 08:48 PM, Okhwan Lee wrote:
> Hi,  
> 
> Thank you for your answer.  
> I use 3.16.1 kernel version,  3.16.1 backport version and 10.1.467.2-1 firmware version.  
> I am curious to know your testing.  
> 
> This is my test bash-script.
> 
> ########### test.sh ###########
> 
> #!/usr/bin/sudo /bin/bash
> rmmod ath10k_pci ath10k_core ath mac80211 cfg80211
> modprobe ath10k_pci  
> ifconfig wlan0 2>/dev/null 1>/dev/null
> while [ $? -ne 0 ]  
> do
> ifconfig wlan0 2>/dev/null 1>/dev/null
> done

What are the commands above supposed to be doing?

> echo 0x12 > /sys/module/ath10k_core/parameters/debug_mask
> iw dev wlan0 interface add mon0 type monitor
> iw mon0 set freq 5180 80 5210
> ifconfig mon0 up
> 
> 
> 
> ######################
> 
> then … type the following command in shell prompt  
> 
> echo 0x1 > /sys/kernel/debug/ieee80211/phy*/ath10k/rx_chainmask
> echo 0x7 > /sys/kernel/debug/ieee80211/phy*/ath10k/rx_chainmask

You should be able to configure this using 'iw'

And, you probably need to configure the chainmask before
creating or starting the wlan and other vifs.

Thanks,
Ben

-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com