On Tue, Feb 07, 2023 at 04:56:06PM +0200, Alvaro Karsz wrote: > > An example of a question is this: we have two RX queues say 1 and 2 each > > with a distinct interrupt vector. coalescing is set to 10 packets. Now > > 9 packets arrive on queue 1 and 1 on queue 2. Do you expect an > > interrupt? If yes which one - 1 or 2 or both? > > Sorry, I wasn't clear enough. > In this case, you should not issue an interrupt until one of the > queues receives the 10'th packet. > The counters are per queue, the coalescing parameters (usecs and > max_packets) are global. > > I agree that this should be mentioned in the spec, I missed it.
Right. So in my humble opinion, ability to configure parameters per queue is not completely free, as this is doubling the memory requirements. Sounds like a feature bit is somewhat justified. No? -- MST --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscr...@lists.oasis-open.org For additional commands, e-mail: virtio-dev-h...@lists.oasis-open.org
