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

Hefty, Sean
2014-05-06T20:20:43Z

> Right the multicast blocking occurs at the socket level for regular
> networking (see IP_MULTICAST_LOOP socket options). Socket are owned
> by the application.
>
>
> A QP is roughly the equivalent thing at the RDMA level. So it seems to me
> that blocking needs to occur at the QP level and not at the multicast
> group level as suggested by Sean.

I was unaware of the IP_MULTICAST_LOOP option. Given that it makes sense to apply this at the QP level.