RE: [PATCH 2/2] IB/ipoib: fix GRO merge failure for IPoIB originated TCP streams

[Eric Dumazet <eric.dumazet@xxxxxxxxx>]

Le vendredi 03 février 2012 à 07:18 +0000, Hefty, Sean a écrit :
> > Hi Sean, this is the patch posted earlier by Eric enhanced to
> > have IPoIB to set gro_mac_header_len to the ipoib header len, does
> > it make things to work okay for you?
> 
> I ran a quick test.  It helps some, but the performance for streaming packets in one direction is still only 0.11 Gbps.  It should be closer to 10-15 Gbps for ipoib on my systems.
> 
> - Sean

Hmm... a tcpdump would help to understand what is going on (for example
if GRO kicks in)



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