[openib-general] Re: Re: Re: [PATCH] change Mellanox SDP workaround toa moduleparameter

[Hal Rosenstock]

On Tue, 2006-02-21 at 17:04, Sean Hefty wrote:
> Michael S. Tsirkin wrote:
> >>>>So the only issue here is the inefficiency in terms of the back and
> >>>>forth of CM messages to get to the 1K MTU connection. How important is
> >>>>connection rate for SDP and SRP ? If not, can't we live with how things
> >>>>are ?
> >>>
> >>>SDP implements sockets, and thats a very wide field, so everything is important.
> >>>AFAIK, connection rate is very important for some socket applications, and does
> >>>not matter at all for others.
> >>
> >>It sounds like better CM handling is important for connection rate.
> > 
> > Right.
> 
> I didn't follow what changes are necessary to improve the connection rate.  Can 
> you clarify?

Changes in the CM protocol so that a 3 way handshake can occur so that
for example a lower MTU connection can be accepted with one REQ/REP/RTU
sequence without REQ/REJ then REQ/REP/RTU.

-- Hal

> 
> - Sean