[openib-general] Re: CMA stuff

[Michael S. Tsirkin]

Quoting r. Sean Hefty <mshefty at ichips.intel.com>:
> >My idea was to have 2 counters: one counting connections
> >that are being established, gong up to tcp_max_syn_backlog,
> >and another one after the connection is established, up to local
> >socket backlog.
> 
> My understanding is that with sockets, backlog is the number of queued 
> connections not yet accepted by the user.  With the CMA, connection 
> requests are explicitly accepted by the user before the connection is 
> established. Connection requests are reported to the user directly through 
> a callback, rather than being queued until the user comes to claim them.

OK, I guess I'll have to go look at what exactly this means for SDP.

-- 
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies