netdev - how to utilize multi tx queue to sent packets

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Message-ID: <4A6A2125329CFD4D8CC40C9E8ABCAB9F24FB3D3D62@MILEXCH2.ds.jdsu.net>
Date:	Thu, 10 Mar 2011 22:52:30 -0800
From:	Jon Zhou <Jon.Zhou@...u.com>
To:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: how to utilize multi tx queue to sent packets

hi

I am doing some test according to the
website:http://wiki.ipxwarzone.com/index.php5?title=Linux_packet_mmap

use packet_mmap tx_ring to send packet.

I modified the sample code "packetmmap.c" to make it send packets have different outer ip.
so that with the help of RSS, I can achieve higher throughput.

but one thing I saw at the tx side, is that all the packets are sent via the same tx_queue,
which is conflict with what I saw at the rx side.
any idea to make it sent packets via different tx_queues? (spread across the tx_queues)

thanks
jon
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