On Wed, Feb 19, 2020 at 12:41:53PM -0500, Tom Talpey wrote: > On 2/19/2020 8:06 AM, Jason Gunthorpe wrote: > > On Wed, Feb 19, 2020 at 02:06:28AM +0000, Mark Zhang wrote: > > > The symmetry is important when calculate flow_label with DstQPn/SrcQPn > > > for non-RDMA CM Service ID (check the first mail), so that the server > > > and client will have same flow_label and udp_sport. But looks like it is > > > not important in this case. > > > > If the application needs a certain flow label it should not rely on > > auto-generation, IMHO. > > > > I expect most networks will not be reversible anyhow, even with the > > same flow label? > > These are network flow labels, not under application control. If they > are under application control, that's a security issue. Eh? ipv6 puts them under application control. Jason
