Re: [PATCH RFC] Documentation/infiniband: Add docs for rdma-helpers

Michael Wang
2015-05-15T15:02:57Z

On 05/15/2015 04:40 PM, Doug Ledford wrote:
[snip]
>
> The test itself doesn't mean that. It means we need a RoCE address
> (it's true when transport is IB and link layer is Ethernet). That we
> *use* it during connectionless communication because we have to generate
> our own address vector for the packet while during connected queue pair
> use the address vector is created by the card using the queue pair
> information is just the circumstance of its use. And even though a
> disconnected queue pair isn't solidly connected to a remote endpoint, it
> is solidly bound to an adapter that requires either an IB or Ethernet
> address family. Maybe this to resolve your issue with the wording:

Thanks for the explain :-) The term 'connectionless' still sounds a little
strange to me when it's just means no HW support on creating address vector,
but I can understand the concept.

>
> This helper is true when the address family of this queue pair is of the
> Ethernet (RoCE) variety.

Sounds good, will be merged in next version :-)

Regards,
Michael Wang

>
>
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