[openib-general] Re: IPoIB question/problem

[Michael S. Tsirkin]

Quoting r. Roland Dreier <rolandd at cisco.com>:
>     Michael> A more modest approach that I was considering: keep a
>     Michael> copy of the gid as part of ipoib_neigh structure, and
>     Michael> make sure that the gid didnt change before posting a
>     Michael> packet.  This seems to work for some of our gen1 clients.
> 
> How does adding the 16-byte memcmp to the fast path affect
> performance?  It's probably OK for at least a short-term fix, because
> it's better to be a little slower than to completely lose packets.

I wouldnt expect there to be any noticeable impact.
Lets do it this way then.


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MST