[openib-general] ipoib mcast questions...

[Hal Rosenstock]

On Fri, 2006-10-06 at 15:47, Arthur Jones wrote:
> hi hal, ...
> 
> On Fri, Oct 06, 2006 at 11:26:26AM -0400, Hal Rosenstock wrote:
> > > [...]
> > > i'm imagining that all the "proprietary" eth
> > > interfaces + ipoib need to do about the same
> > > thing when it comes to registering with mcast
> > > groups.  would you (all) be averse to pulling some
> > > of the mcast group registration code out into
> > > the core ib driver for all to use?
> > 
> > Isn't this already done with Sean's multicast work ?
> 
> after reading the code, iiuc, sean's work provides
> nice infrastructure for ib_multicast group join/leave.
> i was thinking about one more level up, i.e. generic
> _net_ multicast join/leave infrastructure.  i'm not
> sure exactly how it would go -- but i think all the ib
> net_devices are going to need a way to associate a
> multicast hw addr w/ a live mgid.

Don't IPmc addresses translate to MGIDs per the RFC ?
MGIDs are not hardware addresses (MLIDs are).

-- Hal

>   if that could be broken out, we could all share it...

> arthur