On Tue, 11 May 2010, Jason Gunthorpe wrote: > > The UMCAST flag can stop the kernel from processing the IGMP reply. > > I'm not talking about IGMP, but the IB version of IGMP, the kernel > joins the group in IB land and also attaches the IPOIB QP. This can > all be faked out in userspace, but it isn't entirely straightforward.
Yes vendors use the UMCAST flag to avoid this. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
