From mboxrd@z Thu Jan  1 00:00:00 1970
From: Armin Steinhoff <as-s4YScyvLPWy9qbm/xggoW4tm+1EbUQKi@public.gmane.org>
Subject: i210 performance ?
Date: Tue, 12 Nov 2013 09:51:20 +0100
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Hi All,

after porting Intel's Data Plan to QNX 6.5 I'm doing some performance
test with "testpmd".

I'm using a single i210 board installed on a dual core QNX 6.5 machine
and using "testpmd" as a packet generator (UDP packets).

The test are done with:

start:   testpmd -c 3 -n  -> interactive mode by default
            set burst 1
            set fwd txonly
            start
            stop

Without a delay between packets I see a huge number of dropped packets.
After introducing a delay of 60us after sending the "packet burst"
dropping of packets doesn't happen.

My questions are:  why dropps the i210 packets ?  Is it because of the
fact that probably all send descriptors are occupied ?

Best Regards

Armin Steinhoff