[openib-general] Re: FW: [PATCH 1 of 3] mad: large RMPP support

[Michael S. Tsirkin]

Quoting r. Sean Hefty <mshefty at ichips.intel.com>:
> Externally, a user should have access to the segment list 
> directly, rather than through a function call.

Why not a function call?

> The latest idea that I was suggesting was to separate the MAD header from 
> the data segments for multi-segment/RMPP active MADs.  Let *mad reference 
> the header, and rmpp_list reference all data segments.  Non-RMPP MADs would 
> use *mad to reference the entire buffer.  For an RMPP MAD (one with RMPP 
> active) that fits into a single segment, I can go either way.

What problem would this change address?

-- 
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies