From: Heng Qi <hengqi@linux.alibaba.com>
To: Parav Pandit <parav@nvidia.com>,
"virtio-comment@lists.oasis-open.org"
<virtio-comment@lists.oasis-open.org>
Cc: Shahaf Shuler <shahafs@nvidia.com>,
"virtio@lists.oasis-open.org" <virtio@lists.oasis-open.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Subject: Re: [virtio-comment] RE: [virtio] [PATCH requirements 5/7] net-features: Add n-tuple receive flow steering requirements
Date: Wed, 14 Jun 2023 11:53:10 +0800 [thread overview]
Message-ID: <304df5b1-7e3d-6fcf-d61d-22f5e12c415e@linux.alibaba.com> (raw)
In-Reply-To: <PH0PR12MB548176C28A3ECA7E09E6345ADC5AA@PH0PR12MB5481.namprd12.prod.outlook.com>
在 2023/6/14 上午11:48, Parav Pandit 写道:
>> From: Heng Qi <hengqi@linux.alibaba.com>
>> Sent: Tuesday, June 13, 2023 11:43 PM
>>> If it’s a "flowvq" dedicated queue device both the requirements are
>> addressed.
>>> Device can choose to implement in its preferred way.
>> I think this is a migration issue:
>> Devices A and B each offser the VIRTIO_NET_F_RECEIVE_FLOW_FILTER (this is a
>> temporary name) feature.
>> And device A implements flowvq, device B does not implement flowvq, they are
>> both using receive flow filters but ARFS is disabled.
>> The migration should fail at this time. Does this meet user expectations?
>>
> If F_RECEIVE_FLOW_FILTER is offered, it means a device supports flowvq on src and dst.
> So migration wont fail.
>
> It is no different than any other net _F feature.
> For example notification coalescing or _MQ or _RSS.
>
> What I meant in above "preferred way" is, device can choose to operate flow table entries as 5 flow/sec.
> Or it can choose to do 100K flows/sec.
Ok, I see. I misunderstood the "preferred way" before :)
>
> The basic requirement is that flow rule entries should be a low latency interface.
>
>> Or do we warn in the spec that using flow vq might cause the migration issue?
>>
> It should not cause migration once the device features and associated attributes can be queries by the group owner.
>
This publicly archived list offers a means to provide input to the
OASIS Virtual I/O Device (VIRTIO) TC.
In order to verify user consent to the Feedback License terms and
to minimize spam in the list archive, subscription is required
before posting.
Subscribe: virtio-comment-subscribe@lists.oasis-open.org
Unsubscribe: virtio-comment-unsubscribe@lists.oasis-open.org
List help: virtio-comment-help@lists.oasis-open.org
List archive: https://lists.oasis-open.org/archives/virtio-comment/
Feedback License: https://www.oasis-open.org/who/ipr/feedback_license.pdf
List Guidelines: https://www.oasis-open.org/policies-guidelines/mailing-lists
Committee: https://www.oasis-open.org/committees/virtio/
Join OASIS: https://www.oasis-open.org/join/
next prev parent reply other threads:[~2023-06-14 3:53 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-01 22:02 [virtio-comment] [PATCH requirements 0/7] virtio net new features requirements Parav Pandit
2023-06-01 22:02 ` [virtio-comment] [PATCH requirements 1/7] net-features: Add requirements document for release 1.4 Parav Pandit
2023-06-06 22:15 ` Michael S. Tsirkin
2023-06-06 22:28 ` Parav Pandit
2023-06-06 22:56 ` Michael S. Tsirkin
2023-06-06 23:08 ` Parav Pandit
2023-06-06 23:18 ` Michael S. Tsirkin
2023-06-07 9:03 ` [virtio-comment] Re: [virtio] " Xuan Zhuo
2023-06-07 20:35 ` Michael S. Tsirkin
2023-06-07 20:39 ` Parav Pandit
2023-06-07 20:50 ` Michael S. Tsirkin
2023-06-07 20:53 ` Parav Pandit
2023-06-07 9:31 ` Xuan Zhuo
2023-06-01 22:03 ` [virtio-comment] [PATCH requirements 2/7] net-features: Add low latency transmit queue requirements Parav Pandit
2023-06-06 22:25 ` Michael S. Tsirkin
2023-06-06 22:35 ` Parav Pandit
2023-06-01 22:03 ` [virtio-comment] [PATCH requirements 3/7] net-features: Add low latency receive " Parav Pandit
2023-06-06 22:33 ` Michael S. Tsirkin
2023-06-06 22:44 ` Parav Pandit
2023-06-06 23:03 ` Michael S. Tsirkin
2023-06-01 22:03 ` [virtio-comment] [PATCH requirements 4/7] net-features: Add notification coalescing requirements Parav Pandit
2023-06-06 22:36 ` Michael S. Tsirkin
2023-06-06 22:46 ` Parav Pandit
2023-06-06 23:06 ` Michael S. Tsirkin
2023-06-01 22:03 ` [virtio-comment] [PATCH requirements 5/7] net-features: Add n-tuple receive flow steering requirements Parav Pandit
2023-06-02 3:35 ` Heng Qi
2023-06-02 3:51 ` Parav Pandit
2023-06-02 4:39 ` [virtio-comment] Re: [virtio] " Heng Qi
2023-06-06 12:08 ` Heng Qi
2023-06-06 21:49 ` [virtio-comment] " Parav Pandit
2023-06-12 14:35 ` [virtio-comment] " Heng Qi
2023-06-12 17:26 ` [virtio-comment] " Parav Pandit
2023-06-13 2:28 ` Heng Qi
2023-06-13 8:57 ` [virtio-comment] " Michael S. Tsirkin
2023-06-13 9:16 ` Cornelia Huck
2023-06-13 11:33 ` [virtio-comment] " Parav Pandit
2023-06-07 2:47 ` Jason Wang
2023-06-07 3:22 ` Parav Pandit
2023-06-13 2:57 ` [virtio-comment] Re: [virtio] " Heng Qi
2023-06-13 4:16 ` [virtio-comment] " Parav Pandit
2023-06-13 5:04 ` [virtio-comment] " Heng Qi
2023-06-13 12:24 ` [virtio-comment] " Parav Pandit
2023-06-14 3:43 ` [virtio-comment] " Heng Qi
2023-06-14 3:48 ` [virtio-comment] " Parav Pandit
2023-06-14 3:53 ` Heng Qi [this message]
2023-06-01 22:03 ` [virtio-comment] [PATCH requirements 6/7] net-features: Add packet timestamp requirements Parav Pandit
2023-06-06 22:40 ` Michael S. Tsirkin
2023-06-06 22:51 ` Parav Pandit
2023-06-06 23:08 ` Michael S. Tsirkin
2023-06-01 22:03 ` [virtio-comment] [PATCH requirements 7/7] net-features: Add header data split requirements Parav Pandit
2023-06-06 22:41 ` Michael S. Tsirkin
2023-06-08 14:57 ` Parav Pandit
2023-06-02 3:06 ` [virtio-comment] Re: [virtio] [PATCH requirements 0/7] virtio net new features requirements Heng Qi
2023-06-06 22:49 ` [virtio-comment] " Michael S. Tsirkin
2023-06-06 22:56 ` Parav Pandit
2023-06-06 23:10 ` Michael S. Tsirkin
2023-06-07 2:49 ` Jason Wang
2023-06-07 3:33 ` Parav Pandit
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=304df5b1-7e3d-6fcf-d61d-22f5e12c415e@linux.alibaba.com \
--to=hengqi@linux.alibaba.com \
--cc=jasowang@redhat.com \
--cc=mst@redhat.com \
--cc=parav@nvidia.com \
--cc=shahafs@nvidia.com \
--cc=virtio-comment@lists.oasis-open.org \
--cc=virtio@lists.oasis-open.org \
--cc=xuanzhuo@linux.alibaba.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).