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From: Paolo Abeni <pabeni@redhat.com>
To: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>, qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Dmitry Fleytman <dmitry.fleytman@gmail.com>,
	Jason Wang <jasowang@redhat.com>,
	Sriram Yagnaraman <sriram.yagnaraman@ericsson.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Stefano Garzarella <sgarzare@redhat.com>,
	Cornelia Huck <cohuck@redhat.com>,
	Luigi Rizzo <lrizzo@google.com>,
	Giuseppe Lettieri <g.lettieri@iet.unipi.it>,
	Vincenzo Maffione <v.maffione@gmail.com>,
	Eric Blake <eblake@redhat.com>,
	Markus Armbruster <armbru@redhat.com>,
	kvm@vger.kernel.org
Subject: Re: [PATCH RFC v2 01/13] net: bundle all offloads in a single struct
Date: Tue, 15 Jul 2025 16:52:41 +0200	[thread overview]
Message-ID: <bbf7744c-9340-4d59-804b-87f7ff9bdcc4@redhat.com> (raw)
In-Reply-To: <d434b098-aebc-42cb-b589-d84f7bd78c21@rsg.ci.i.u-tokyo.ac.jp>

On 7/15/25 8:36 AM, Akihiko Odaki wrote:
> On 2025/07/11 22:02, Paolo Abeni wrote:
>> The set_offload() argument list is already pretty long and
>> we are going to introduce soon a bunch of additional offloads.
>>
>> Replace the offload arguments with a single struct and update
>> all the relevant call-sites.
>>
>> No functional changes intended.
>>
>> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
>> ---
>> Note: I maintained  the struct usage as opposed to uint64_t bitmask usage
>> as suggested by Akihiko, because the latter feel a bit more invasive.
> 
> I think a bitmask will be invasive to the same extent with the current 
> version; most part of this change comes from the parameter passing, 
> which does not depend on the representation of the parameter.

Do you have strong feeling WRT the bitmask usage?

Another argument vs the bitmask usage is that it will requires some
extra input validation of the selected offload bits (most of them don't
make sense in this context).

Thanks,

Paolo


  reply	other threads:[~2025-07-15 14:52 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-11 13:02 [PATCH RFC v2 00/13] virtio: introduce support for GSO over UDP tunnel Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 01/13] net: bundle all offloads in a single struct Paolo Abeni
2025-07-15  6:36   ` Akihiko Odaki
2025-07-15 14:52     ` Paolo Abeni [this message]
2025-07-16 11:32       ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 02/13] linux-headers: Update to Linux ~v6.16-rc5 net-next Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 03/13] virtio: introduce extended features type Paolo Abeni
2025-07-15  6:57   ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 04/13] virtio: serialize extended features state Paolo Abeni
2025-07-15  7:24   ` Akihiko Odaki
2025-07-15 15:40     ` Paolo Abeni
2025-07-16 11:52       ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 05/13] virtio: add support for negotiating extended features Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 06/13] virtio-pci: implement support for " Paolo Abeni
2025-07-15  7:42   ` Akihiko Odaki
2025-07-15 16:21     ` Paolo Abeni
2025-07-16  9:14       ` Paolo Abeni
2025-07-16 11:55         ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 07/13] vhost: add support for negotiating " Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 08/13] qmp: update virtio features map to support " Paolo Abeni
2025-07-15  7:59   ` Akihiko Odaki
2025-07-15 15:43     ` Paolo Abeni
2025-07-16 12:00       ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 09/13] vhost-backend: implement extended features support Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 10/13] vhost-net: " Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 11/13] virtio-net: " Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 12/13] net: implement tunnel probing Paolo Abeni
2025-07-15  8:05   ` Akihiko Odaki
2025-07-15 15:49     ` Paolo Abeni
2025-07-18  4:38       ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 13/13] net: implement UDP tunnel features offloading Paolo Abeni
2025-07-15  8:07   ` Akihiko Odaki
2025-07-16 10:13     ` Paolo Abeni
2025-07-16 12:04       ` Akihiko Odaki
2025-07-14  8:43 ` [PATCH RFC v2 00/13] virtio: introduce support for GSO over UDP tunnel Lei Yang
2025-07-14  9:05   ` Paolo Abeni
2025-07-14  9:09     ` Lei Yang

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