RE: [PATCH V2] libibverbs: Allow arbitrary int values for MTU.

["Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

> I would argue that this is because the libraries are so disjoint (that
> librdmacm needs the deep internal knowledge it needs of libibverbs
> indicates that maybe these two shouldn't be separate from each other for
> example, or that maybe libibverbs should provide a unified connection
> API to the user and internally use both librdmacm and libibcm on the
> back end to work IP v. GUID connection setup).  So, I think there is
> significant room to improve the layout of the overall RDMA APIs and
> doing that would address this particular issue and is probably the right
> way to go.
... 
> That would address structures, but I think the API itself could use some
> love and care, and that wouldn't be addressed by just the verbs
> extension mechanism (and in fact if you rethink some of the exposed API,
> it might drastically change how you might want to handle
> extensions...who knows).

I agree with Doug.  A merged library that can evolve the RDMA APIs with fewer compatibility constraints could be beneficial.  I just think such an approach would require some thought and a lot of discussion.

- Sean
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