Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-03-14 Thread Michael S. Tsirkin
On Thu, Mar 11, 2021 at 08:57:08PM -0800, Jiang Wang . wrote: > Hi Michael, > > Sorry for the late reply. I just saw your email yesterday somehow. > > I read the email thread you mentioned, and I think the issue with > dgram is that it may drop packets because the sender cannot track the >

Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-03-11 Thread Jiang Wang .
Hi Michael, Sorry for the late reply. I just saw your email yesterday somehow. I read the email thread you mentioned, and I think the issue with dgram is that it may drop packets because the sender cannot track the tx_cnt with subtracting it from peer_fwd_cnt. I agree with Stefan that the dgram

Re: vsock virtio: questions about supporting DGRAM type

2021-02-23 Thread Michael S. Tsirkin
On Thu, Feb 11, 2021 at 10:04:34PM -0800, Jiang Wang . wrote: > Hi guys, > > I am working on supporting DGRAM type for virtio/vhost vsock. I > already did some work and a draft code is here (which passed my tests, > but still need some cleanup and only works from host to guest as of > now, will

Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-02-16 Thread Jiang Wang .
On Tue, Feb 16, 2021 at 12:50 AM Stefano Garzarella wrote: > > On Tue, Feb 16, 2021 at 12:23:19AM -0800, Jiang Wang . wrote: > >On Tue, Feb 16, 2021 at 12:09 AM Stefano Garzarella > >wrote: > >> > >> On Mon, Feb 15, 2021 at 08:50:36PM -0800, Jiang Wang . wrote: > >> >On Mon, Feb 15, 2021 at

Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-02-16 Thread Stefano Garzarella
On Tue, Feb 16, 2021 at 12:23:19AM -0800, Jiang Wang . wrote: On Tue, Feb 16, 2021 at 12:09 AM Stefano Garzarella wrote: On Mon, Feb 15, 2021 at 08:50:36PM -0800, Jiang Wang . wrote: >On Mon, Feb 15, 2021 at 12:31 AM Stefano Garzarella wrote: >> >> On Sat, Feb 13, 2021 at 03:26:18PM -0800,

Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-02-16 Thread Jiang Wang .
On Tue, Feb 16, 2021 at 12:09 AM Stefano Garzarella wrote: > > On Mon, Feb 15, 2021 at 08:50:36PM -0800, Jiang Wang . wrote: > >On Mon, Feb 15, 2021 at 12:31 AM Stefano Garzarella > >wrote: > >> > >> On Sat, Feb 13, 2021 at 03:26:18PM -0800, Jiang Wang . wrote: > >> >On Fri, Feb 12, 2021 at

Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-02-16 Thread Stefano Garzarella
On Mon, Feb 15, 2021 at 08:50:36PM -0800, Jiang Wang . wrote: On Mon, Feb 15, 2021 at 12:31 AM Stefano Garzarella wrote: On Sat, Feb 13, 2021 at 03:26:18PM -0800, Jiang Wang . wrote: >On Fri, Feb 12, 2021 at 1:02 AM Stefano Garzarella wrote: >> >> Hi Jiang, >> >> CCing Arseny who is working

Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-02-15 Thread Jiang Wang .
On Mon, Feb 15, 2021 at 12:53 AM Arseny Krasnov wrote: > > > On 14.02.2021 02:46, Jiang Wang . wrote: > > On Fri, Feb 12, 2021 at 7:19 AM Arseny Krasnov > > wrote: > >> > >> On 12.02.2021 12:02, Stefano Garzarella wrote: > >>> Hi Jiang, > >>> > >>> CCing Arseny who is working on SOCK_SEQPACKET

Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-02-15 Thread Jiang Wang .
On Mon, Feb 15, 2021 at 12:31 AM Stefano Garzarella wrote: > > On Sat, Feb 13, 2021 at 03:26:18PM -0800, Jiang Wang . wrote: > >On Fri, Feb 12, 2021 at 1:02 AM Stefano Garzarella > >wrote: > >> > >> Hi Jiang, > >> > >> CCing Arseny who is working on SOCK_SEQPACKET support for virtio-vsock > >>

Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-02-15 Thread Stefano Garzarella
On Sat, Feb 13, 2021 at 03:26:18PM -0800, Jiang Wang . wrote: On Fri, Feb 12, 2021 at 1:02 AM Stefano Garzarella wrote: Hi Jiang, CCing Arseny who is working on SOCK_SEQPACKET support for virtio-vsock [1]. On Thu, Feb 11, 2021 at 10:04:34PM -0800, Jiang Wang . wrote: >Hi guys, > >I am

Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-02-13 Thread Jiang Wang .
On Fri, Feb 12, 2021 at 7:19 AM Arseny Krasnov wrote: > > > On 12.02.2021 12:02, Stefano Garzarella wrote: > > Hi Jiang, > > > > CCing Arseny who is working on SOCK_SEQPACKET support for virtio-vsock > > [1]. > > > > On Thu, Feb 11, 2021 at 10:04:34PM -0800, Jiang Wang . wrote: > >> Hi guys, > >>

Re: [External] Re: vsock virtio: questions about supporting DGRAM type

2021-02-13 Thread Jiang Wang .
On Fri, Feb 12, 2021 at 1:02 AM Stefano Garzarella wrote: > > Hi Jiang, > > CCing Arseny who is working on SOCK_SEQPACKET support for virtio-vsock > [1]. > > On Thu, Feb 11, 2021 at 10:04:34PM -0800, Jiang Wang . wrote: > >Hi guys, > > > >I am working on supporting DGRAM type for virtio/vhost

Re: vsock virtio: questions about supporting DGRAM type

2021-02-12 Thread Stefano Garzarella
Hi Jiang, CCing Arseny who is working on SOCK_SEQPACKET support for virtio-vsock [1]. On Thu, Feb 11, 2021 at 10:04:34PM -0800, Jiang Wang . wrote: Hi guys, I am working on supporting DGRAM type for virtio/vhost vsock. I already did some work and a draft code is here (which passed my tests,

vsock virtio: questions about supporting DGRAM type

2021-02-11 Thread Jiang Wang .
Hi guys, I am working on supporting DGRAM type for virtio/vhost vsock. I already did some work and a draft code is here (which passed my tests, but still need some cleanup and only works from host to guest as of now, will add host to guest soon):