RE: [PATCH] IB/mlx4: Allow to always block UD multicast loopback

Christoph Lameter
2014-05-06T19:16:15Z

On Mon, 5 May 2014, Hefty, Sean wrote:

> I agree with Doug here. This makes more sense to specify on multicast atta=
> ch time, not QP creation time.

On topic response: Do devices support multicast loopback blocking on a
multicast group? From what I can tell the multicast support in NICs is
based on having a table with MAC addresses of the multicast groups that
the NIC is able to receive.