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

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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.

quoted

- Sean

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

I should stop trying to apply patches so late.  I must have done something wrong with my quick test.  Re-applying the patch on 3.2, the ipoib UD performance looks okay to me with Eric's patch.  Sorry about the flub.

- Sean
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