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From: Bobby Eshleman <bobbyeshleman@gmail.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Bobby Eshleman <bobby.eshleman@gmail.com>,
	Bobby Eshleman <bobby.eshleman@bytedance.com>,
	Cong Wang <cong.wang@bytedance.com>,
	Jiang Wang <jiang.wang@bytedance.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Stefano Garzarella <sgarzare@redhat.com>,
	Jason Wang <jasowang@redhat.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
	kvm@vger.kernel.org, virtualization@lists.linux-foundation.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-hyperv@vger.kernel.org
Subject: Re: [PATCH 0/6] virtio/vsock: introduce dgrams, sk_buff, and qdisc
Date: Tue, 16 Aug 2022 12:10:25 +0000	[thread overview]
Message-ID: <YvuJJTVV8+r7MXNc@bullseye> (raw)
In-Reply-To: <20220817135311-mutt-send-email-mst@kernel.org>

On Wed, Aug 17, 2022 at 01:53:32PM -0400, Michael S. Tsirkin wrote:
> On Tue, Aug 16, 2022 at 11:08:26AM +0000, Bobby Eshleman wrote:
> > On Wed, Aug 17, 2022 at 01:02:52PM -0400, Michael S. Tsirkin wrote:
> > > On Tue, Aug 16, 2022 at 09:42:51AM +0000, Bobby Eshleman wrote:
> > > > > The basic question to answer then is this: with a net device qdisc
> > > > > etc in the picture, how is this different from virtio net then?
> > > > > Why do you still want to use vsock?
> > > > > 
> > > > 
> > > > When using virtio-net, users looking for inter-VM communication are
> > > > required to setup bridges, TAPs, allocate IP addresses or setup DNS,
> > > > etc... and then finally when you have a network, you can open a socket
> > > > on an IP address and port. This is the configuration that vsock avoids.
> > > > For vsock, we just need a CID and a port, but no network configuration.
> > > 
> > > Surely when you mention DNS you are going overboard? vsock doesn't
> > > remove the need for DNS as much as it does not support it.
> > > 
> > 
> > Oops, s/DNS/dhcp.
> 
> That too.
> 

Sure, setting up dhcp would be overboard for just inter-VM comms.

It is fair to mention that vsock CIDs also need to be managed /
allocated somehow.

  reply	other threads:[~2022-08-17 18:26 UTC|newest]

Thread overview: 101+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-15 17:56 [PATCH 0/6] virtio/vsock: introduce dgrams, sk_buff, and qdisc Bobby Eshleman
2022-08-15 17:56 ` [PATCH 1/6] vsock: replace virtio_vsock_pkt with sk_buff Bobby Eshleman
2022-08-16  2:30   ` Bobby Eshleman
2022-08-16  2:30     ` [virtio-dev] " Bobby Eshleman
2022-08-15 17:56 ` [PATCH 2/6] vsock: return errors other than -ENOMEM to socket Bobby Eshleman
2022-08-15 20:01   ` kernel test robot
2022-08-15 20:01     ` kernel test robot
2022-08-15 23:13   ` kernel test robot
2022-08-15 23:13     ` kernel test robot
2022-08-16  2:16   ` kernel test robot
2022-08-16  2:16     ` kernel test robot
2022-08-16  2:30   ` Bobby Eshleman
2022-08-16  2:30     ` [virtio-dev] " Bobby Eshleman
2022-08-17  5:28     ` Arseniy Krasnov
2022-09-26 13:21   ` Stefano Garzarella
2022-09-26 13:21     ` Stefano Garzarella
2022-09-26 21:30     ` Bobby Eshleman
2022-08-15 17:56 ` [PATCH 3/6] vsock: add netdev to vhost/virtio vsock Bobby Eshleman
2022-08-16  2:31   ` Bobby Eshleman
2022-08-16  2:31     ` [virtio-dev] " Bobby Eshleman
2022-08-16 16:38   ` Michael S. Tsirkin
2022-08-16 16:38     ` Michael S. Tsirkin
2022-08-16  6:18     ` Bobby Eshleman
2022-08-16 18:07     ` Jakub Kicinski
2022-08-16  7:02       ` Bobby Eshleman
2022-08-16 23:07         ` Jakub Kicinski
2022-08-16  8:29           ` Bobby Eshleman
2022-08-17  1:15             ` Jakub Kicinski
2022-08-16 10:50               ` Bobby Eshleman
2022-08-17 17:20                 ` Michael S. Tsirkin
2022-08-17 17:20                   ` Michael S. Tsirkin
2022-08-18  4:34                   ` Jason Wang
2022-08-18  4:34                     ` Jason Wang
2022-08-17  1:23           ` [External] " Cong Wang .
2022-09-06 10:58   ` Michael S. Tsirkin
2022-09-06 10:58     ` Michael S. Tsirkin
2022-08-18 14:20     ` Bobby Eshleman
2022-08-15 17:56 ` [PATCH 4/6] virtio/vsock: add VIRTIO_VSOCK_F_DGRAM feature bit Bobby Eshleman
2022-08-16  2:31   ` Bobby Eshleman
2022-08-16  2:31     ` [virtio-dev] " Bobby Eshleman
2022-09-26 13:17   ` Stefano Garzarella
2022-09-26 13:17     ` Stefano Garzarella
2022-09-26 21:52     ` Bobby Eshleman
2022-08-15 17:56 ` [PATCH 5/6] virtio/vsock: add support for dgram Bobby Eshleman
2022-08-15 21:02   ` kernel test robot
2022-08-15 21:02     ` kernel test robot
2022-08-16  2:32   ` Bobby Eshleman
2022-08-16  2:32     ` [virtio-dev] " Bobby Eshleman
2022-08-17  5:01     ` Arseniy Krasnov
2022-08-16  9:57       ` Bobby Eshleman
2022-08-16  9:57         ` Bobby Eshleman
2022-08-18  8:24         ` Arseniy Krasnov
2022-08-17  5:42       ` Arseniy Krasnov
2022-08-16  9:58         ` Bobby Eshleman
2022-08-16  9:58           ` Bobby Eshleman
2022-08-18  8:35           ` Arseniy Krasnov
2022-08-16 20:52             ` Bobby Eshleman
2022-08-16 20:52               ` Bobby Eshleman
2022-08-19  4:30               ` Arseniy Krasnov
2022-08-15 17:56 ` [PATCH 6/6] vsock_test: add tests for vsock dgram Bobby Eshleman
2022-08-16  2:32   ` Bobby Eshleman
2022-08-16  2:32     ` [virtio-dev] " Bobby Eshleman
2022-08-15 20:39 ` [PATCH 0/6] virtio/vsock: introduce dgrams, sk_buff, and qdisc Michael S. Tsirkin
2022-08-15 20:39   ` Michael S. Tsirkin
2022-08-16  1:55   ` Bobby Eshleman
2022-08-16  2:29 ` Bobby Eshleman
2022-08-16  2:29   ` [virtio-dev] " Bobby Eshleman
2022-08-16  7:00 ` Stefano Garzarella
2022-08-16  2:35   ` Bobby Eshleman
2022-08-17  6:54 ` Michael S. Tsirkin
2022-08-17  6:54   ` Michael S. Tsirkin
2022-08-16  9:42   ` Bobby Eshleman
2022-08-17 17:02     ` Michael S. Tsirkin
2022-08-17 17:02       ` Michael S. Tsirkin
2022-08-16 11:08       ` Bobby Eshleman
2022-08-17 17:53         ` Michael S. Tsirkin
2022-08-17 17:53           ` Michael S. Tsirkin
2022-08-16 12:10           ` Bobby Eshleman [this message]
2022-08-18  4:28   ` Jason Wang
2022-08-18  4:28     ` Jason Wang
2022-09-06  9:00     ` Stefano Garzarella
2022-09-06  9:00       ` Stefano Garzarella
2022-09-06 13:26 ` Stefan Hajnoczi
2022-09-06 13:26   ` Stefan Hajnoczi
2022-08-18 14:39   ` Bobby Eshleman
2022-09-08  8:30     ` Stefano Garzarella
2022-09-08  8:30       ` Stefano Garzarella
2022-09-08 14:36     ` Call to discuss vsock netdev/sk_buff [was Re: [PATCH 0/6] virtio/vsock: introduce dgrams, sk_buff, and qdisc] Stefano Garzarella
2022-09-08 14:36       ` Stefano Garzarella
2022-09-09 18:13       ` Bobby Eshleman
2022-09-12 18:12         ` Stefano Garzarella
2022-09-12 18:12           ` Stefano Garzarella
2022-09-09 23:33           ` Bobby Eshleman
2022-09-16  3:51             ` Stefano Garzarella
2022-09-16  3:51               ` Stefano Garzarella
2022-09-10 16:29               ` Bobby Eshleman
2022-09-26 13:42 ` [PATCH 0/6] virtio/vsock: introduce dgrams, sk_buff, and qdisc Stefano Garzarella
2022-09-26 13:42   ` Stefano Garzarella
2022-09-26 21:44   ` Bobby Eshleman
2022-09-27 17:45   ` Stefano Garzarella
2022-09-27 17:45     ` Stefano Garzarella

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