Re: [PATCH RFC v4 0/9] tun: Introduce virtio-net hashing feature

2024-10-01 Thread Akihiko Odaki
On 2024/10/02 1:31, Stephen Hemminger wrote: On Tue, 1 Oct 2024 14:54:29 +0900 Akihiko Odaki wrote: On 2024/09/30 0:33, Stephen Hemminger wrote: On Sun, 29 Sep 2024 16:10:47 +0900 Akihiko Odaki wrote: On 2024/09/29 11:07, Jason Wang wrote: On Fri, Sep 27, 2024 at 3:51 PM Akihiko Odaki

Re: [PATCH RFC v4 0/9] tun: Introduce virtio-net hashing feature

2024-10-01 Thread Stephen Hemminger
On Tue, 1 Oct 2024 14:54:29 +0900 Akihiko Odaki wrote: > On 2024/09/30 0:33, Stephen Hemminger wrote: > > On Sun, 29 Sep 2024 16:10:47 +0900 > > Akihiko Odaki wrote: > > > >> On 2024/09/29 11:07, Jason Wang wrote: > >>> On Fri, Sep 27, 2024 at 3:51 PM Akihiko Odaki > >>> wrote: > >

Re: [PATCH RFC v4 0/9] tun: Introduce virtio-net hashing feature

2024-09-30 Thread Akihiko Odaki
On 2024/09/30 0:33, Stephen Hemminger wrote: On Sun, 29 Sep 2024 16:10:47 +0900 Akihiko Odaki wrote: On 2024/09/29 11:07, Jason Wang wrote: On Fri, Sep 27, 2024 at 3:51 PM Akihiko Odaki wrote: On 2024/09/27 13:31, Jason Wang wrote: On Fri, Sep 27, 2024 at 10:11 AM Akihiko Odaki wrote:

Re: [PATCH RFC v4 0/9] tun: Introduce virtio-net hashing feature

2024-09-29 Thread Stephen Hemminger
On Sun, 29 Sep 2024 16:10:47 +0900 Akihiko Odaki wrote: > On 2024/09/29 11:07, Jason Wang wrote: > > On Fri, Sep 27, 2024 at 3:51 PM Akihiko Odaki > > wrote: > >> > >> On 2024/09/27 13:31, Jason Wang wrote: > >>> On Fri, Sep 27, 2024 at 10:11 AM Akihiko Odaki > >>> wrote: > >

Re: [PATCH RFC v4 0/9] tun: Introduce virtio-net hashing feature

2024-09-29 Thread Akihiko Odaki
On 2024/09/29 11:07, Jason Wang wrote: On Fri, Sep 27, 2024 at 3:51 PM Akihiko Odaki wrote: On 2024/09/27 13:31, Jason Wang wrote: On Fri, Sep 27, 2024 at 10:11 AM Akihiko Odaki wrote: On 2024/09/25 12:30, Jason Wang wrote: On Tue, Sep 24, 2024 at 5:01 PM Akihiko Odaki wrote: virtio-ne

Re: [PATCH RFC v4 0/9] tun: Introduce virtio-net hashing feature

2024-09-28 Thread Jason Wang
On Fri, Sep 27, 2024 at 3:51 PM Akihiko Odaki wrote: > > On 2024/09/27 13:31, Jason Wang wrote: > > On Fri, Sep 27, 2024 at 10:11 AM Akihiko Odaki > > wrote: > >> > >> On 2024/09/25 12:30, Jason Wang wrote: > >>> On Tue, Sep 24, 2024 at 5:01 PM Akihiko Odaki > >>> wrote: > > virtio-n

Re: [PATCH RFC v4 0/9] tun: Introduce virtio-net hashing feature

2024-09-27 Thread Akihiko Odaki
On 2024/09/27 13:31, Jason Wang wrote: On Fri, Sep 27, 2024 at 10:11 AM Akihiko Odaki wrote: On 2024/09/25 12:30, Jason Wang wrote: On Tue, Sep 24, 2024 at 5:01 PM Akihiko Odaki wrote: virtio-net have two usage of hashes: one is RSS and another is hash reporting. Conventionally the hash ca

Re: [PATCH RFC v4 0/9] tun: Introduce virtio-net hashing feature

2024-09-26 Thread Jason Wang
On Fri, Sep 27, 2024 at 10:11 AM Akihiko Odaki wrote: > > On 2024/09/25 12:30, Jason Wang wrote: > > On Tue, Sep 24, 2024 at 5:01 PM Akihiko Odaki > > wrote: > >> > >> virtio-net have two usage of hashes: one is RSS and another is hash > >> reporting. Conventionally the hash calculation was done

Re: [PATCH RFC v4 0/9] tun: Introduce virtio-net hashing feature

2024-09-26 Thread Akihiko Odaki
On 2024/09/25 12:30, Jason Wang wrote: On Tue, Sep 24, 2024 at 5:01 PM Akihiko Odaki wrote: virtio-net have two usage of hashes: one is RSS and another is hash reporting. Conventionally the hash calculation was done by the VMM. However, computing the hash after the queue was chosen defeats the

Re: [PATCH RFC v4 0/9] tun: Introduce virtio-net hashing feature

2024-09-24 Thread Jason Wang
On Tue, Sep 24, 2024 at 5:01 PM Akihiko Odaki wrote: > > virtio-net have two usage of hashes: one is RSS and another is hash > reporting. Conventionally the hash calculation was done by the VMM. > However, computing the hash after the queue was chosen defeats the > purpose of RSS. > > Another appr