[openib-general] Re: IPoIB Path Static Rate

[Hal Rosenstock]

On Sat, 2004-12-18 at 12:55, Roland Dreier wrote:
> Surely link width and/or speed can't change without the port state
> changing, can they?  As I understand it, the link layer can't
> renegotiate this sort of thing without bringing the link down.  In
> which case ULPs only need to refresh their rate information when they
> get one of the existing port state change events.

Yes, port state change is sufficient to take care of this.

> (If the link rate can change without any notice, then static rate for
> RC is meaningless since a link could change from 4X to 1X without
> disturbing existing connections).

-- Hal