[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]
Subject: Re: [virtio-comment] Re: [PATCH] virtio-net: define feature of per-packet RSS hash delivery
On Fri, Dec 13, 2019 at 10:21:53AM +0200, Yuri Benditovich wrote: > On Fri, Dec 13, 2019 at 9:16 AM Michael S. Tsirkin <mst@redhat.com> wrote: > > > > On Fri, Dec 13, 2019 at 06:34:39AM +0200, Yuri Benditovich wrote: > > > > > > So there are 2 possible profiles of devices that 'do not have RSS' but > > > deliver hash: > > > 1. The device is in general can do RSS, but has only one pair of > > > queues and does only hash calculation > > > 2. The device has multiple queues but is configured to do auto > > > steering and we want also hash from it. > > > > > > My impression is that case 2 is rather academic one (at least looking forward). > > > Do you agree? > > > > I am not sure I agree. auto mq is much easier to configure than RSS > > so I image it's useful even if one wants hash. > > With RSS and hash delivery we're mainly targeting virtio-net in hardware. > Auto mq is much more complicated, correct? Hardware implementing it exists, it's not too hard, just some tables to maintain. > > > > -- > > MST > >
[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]