On Wed, Mar 01, 2023 at 11:30:37AM +0800, Heng Qi wrote: > > > 在 2023/2/28 下午7:16, Michael S. Tsirkin 写道: > > On Sat, Feb 18, 2023 at 10:37:15PM +0800, Heng Qi wrote: > > > If the tunnel is used to encapsulate the packets, the hash calculated > > > using the outer header of the receive packets is always fixed for the > > > same flow packets, i.e. they will be steered to the same receive queue. > > Wait a second. How is this true? Does not everyone stick the > > inner header hash in the outer source port to solve this? > > For example geneve spec says: > > > > it is necessary for entropy from encapsulated packets to be > > exposed in the tunnel header. The most common technique for this is > > to use the UDP source port > > > > same goes for vxlan did not check further. > > > > so what is the problem? and which tunnel types actually suffer from the > > problem? > > > In fact, similar to protocols such as GRE, there is no outer transport > header. > > Thanks.
Sorry I don't understand the answer. What is similar to what? By GRE you mean NVGRE? That has FlowID for this purpose. Only 8 bit - is this the issue? Not enough entropy? -- MST --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscr...@lists.oasis-open.org For additional commands, e-mail: virtio-dev-h...@lists.oasis-open.org
