netdev - Ring parameter information

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Message-Id: <F225A4E9-1298-4262-8F24-9BF368100C78@gmail.com>
Date:	Mon, 15 Sep 2014 10:14:10 +0400
From:	Hosam Hittini <h.hittini@...il.com>
To:	netdev@...r.kernel.org
Subject: Ring parameter information

Hi,

I have two network interfaces and I used "ethtool -g" to get their ring parameters, but I don’t quite understand the output
For the ethernet interface the output says the operation is not supported
For the wireless interface the output says the sending and receiving buffer sizes are equal to zero
I wonder if anyone can help me with that

hosam@...in-01:~$ sudo ethtool -g eth0
Ring parameters for eth0:
Cannot get device ring settings: Operation not supported

hosam@...in-01:~$ sudo ethtool -g wlan1
Ring parameters for wlan1:
Pre-set maximums:
RX:			0
RX Mini:		0
RX Jumbo:	0
TX:			0
Current hardware settings:
RX:			0
RX Mini:		0
RX Jumbo:	0
TX:			0

Regards,
Eng. Hosam Hittini--
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