Re: [PATCH 1/7] libibumad: Provide MAD definitions with libibumad

Hal Rosenstock
2013-02-20T16:39:53Z

On 2/20/2013 11:29 AM, Hefty, Sean wrote:
>> I need to check the kernel code, but I believe that the RMPP header is exposed.
>
> I looked at copy_recv_mad(), and it copies the entire 256-byte MAD to user space, which includes any RMPP header, followed by any additional segmented data. So most of the RMPP definitions are relevant, the exceptions possibly being UMAD_RMPP_TYPE_[ACK | STOP | ABORT]. IMO - I would keep those for completeness.

Yes but how much of header is relevant when it's a multipacket RMPP MAD
message ? My concern is that it may be confusing as to validity/use of
certain RMPP fields, etc.

-- Hal

> - Sean