Discussion of the VIRTIO specification
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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Yuri Benditovich <yuri.benditovich@daynix.com>
Cc: Yuri Benditovich <ybendito@redhat.com>,
	virtio-comment@lists.oasis-open.org
Subject: Re: [virtio-comment] Re: [PATCH] virtio-net: define feature of per-packet RSS hash delivery
Date: Fri, 13 Dec 2019 02:15:52 -0500	[thread overview]
Message-ID: <20191213021253-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <CAOEp5OdcjrC01OOB1c0uCJdBTM8G=5CgtvXg+5urKCH0knwHCQ@mail.gmail.com>

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.

-- 
MST


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  reply	other threads:[~2019-12-13  7:16 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-03 18:32 [virtio-comment] [PATCH] virtio-net: define feature of per-packet RSS hash delivery Yuri Benditovich
2019-12-03 20:25 ` [virtio-comment] " Michael S. Tsirkin
2019-12-04  5:20   ` Yuri Benditovich
2019-12-11 16:34     ` Michael S. Tsirkin
2019-12-11 17:41       ` Yuri Benditovich
2019-12-11 18:20         ` Michael S. Tsirkin
2019-12-12  3:48           ` Yuri Benditovich
2019-12-12  7:43             ` Michael S. Tsirkin
2019-12-13  4:34               ` Yuri Benditovich
2019-12-13  7:15                 ` Michael S. Tsirkin [this message]
2019-12-13  8:21                   ` Yuri Benditovich
2019-12-13  8:38                     ` Michael S. Tsirkin
2020-01-20 16:14                       ` Michael S. Tsirkin
2020-01-20 16:27                         ` Yuri Benditovich
2020-01-20 22:00                           ` Michael S. Tsirkin

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