search for: arseniy

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2023 Aug 22
0
[RFC PATCH v1 1/2] vsock: send SIGPIPE on write to shutdowned socket
On Mon, Aug 14, 2023 at 10:40:17PM +0300, Arseniy Krasnov wrote: > > >On 04.08.2023 18:02, Stefano Garzarella wrote: >> On Fri, Aug 04, 2023 at 05:34:20PM +0300, Arseniy Krasnov wrote: >>> >>> >>> On 04.08.2023 17:28, Stefano Garzarella wrote: >>>> On Fri, Aug 04, 2023 at 03:46:47PM +0300, Arse...
2023 Mar 06
0
[RFC PATCH v2 2/4] virtio/vsock: remove all data from sk_buff
On Mon, Mar 06, 2023 at 07:00:10PM +0300, Arseniy Krasnov wrote: > > >On 06.03.2023 18:51, Stefano Garzarella wrote: >> On Mon, Mar 06, 2023 at 06:31:22PM +0300, Arseniy Krasnov wrote: >>> >>> >>> On 06.03.2023 15:08, Stefano Garzarella wrote: >>>> On Sun, Mar 05, 2023 at 11:07:37PM +0300, Arse...
2023 Mar 30
0
[RFC PATCH v3 2/4] vsock/vmci: convert VMCI error code to -ENOMEM on receive
> On Mar 30, 2023, at 1:18 PM, Arseniy Krasnov <AVKrasnov at sberdevices.ru> wrote: > > !! External Email > > On 30.03.2023 23:13, Arseniy Krasnov wrote: >> This adds conversion of VMCI specific error code to general -ENOMEM. It >> is needed, because af_vsock.c passes error value returned from transport &...
2023 Mar 09
0
[RFC PATCH v3 0/4] several updates to virtio/vsock
On Thu, Mar 09, 2023 at 07:20:20PM +0300, Arseniy Krasnov wrote: > > >On 09.03.2023 19:21, Stefano Garzarella wrote: >> On Thu, Mar 09, 2023 at 01:10:36PM +0300, Arseniy Krasnov wrote: >>> Hello, >>> >>> this patchset evolved from previous v2 version (see link below). It does >>> several updates t...
2023 Aug 04
0
[RFC PATCH v1 1/2] vsock: send SIGPIPE on write to shutdowned socket
On Fri, Aug 04, 2023 at 05:34:20PM +0300, Arseniy Krasnov wrote: > > >On 04.08.2023 17:28, Stefano Garzarella wrote: >> On Fri, Aug 04, 2023 at 03:46:47PM +0300, Arseniy Krasnov wrote: >>> Hi Stefano, >>> >>> On 02.08.2023 10:46, Stefano Garzarella wrote: >>>> On Tue, Aug 01, 2023 at 05:17:26PM...
2023 Aug 22
0
[RFC PATCH v1 1/2] vsock: send SIGPIPE on write to shutdowned socket
On Mon, Aug 14, 2023 at 10:46:05PM +0300, Arseniy Krasnov wrote: > > >On 04.08.2023 17:28, Stefano Garzarella wrote: >> On Fri, Aug 04, 2023 at 03:46:47PM +0300, Arseniy Krasnov wrote: >>> Hi Stefano, >>> >>> On 02.08.2023 10:46, Stefano Garzarella wrote: >>>> On Tue, Aug 01, 2023 at 05:17:26PM...
2023 Aug 31
0
[RFC PATCH v2 0/2] vsock: handle writes to shutdowned socket
Hi Arseniy, On Sat, Aug 26, 2023 at 08:58:58PM +0300, Arseniy Krasnov wrote: >Hello, > >this small patchset adds POSIX compliant behaviour on writes to the >socket which was shutdowned with 'shutdown()' (both sides - local with >SHUT_WR flag, peer - with SHUT_RD flag). According POSIX...
2023 Sep 04
0
[PATCH net-next v7 4/4] vsock/virtio: MSG_ZEROCOPY flag support
On Sun, Sep 03, 2023 at 11:13:23AM +0300, Arseniy Krasnov wrote: > > >On 01.09.2023 15:30, Stefano Garzarella wrote: >> On Sun, Aug 27, 2023 at 11:54:36AM +0300, Arseniy Krasnov wrote: >>> This adds handling of MSG_ZEROCOPY flag on transmission path: if this >>> flag is set and zerocopy transmission is possible (en...
2023 Aug 04
0
[RFC PATCH v1 1/2] vsock: send SIGPIPE on write to shutdowned socket
On Fri, Aug 04, 2023 at 03:46:47PM +0300, Arseniy Krasnov wrote: >Hi Stefano, > >On 02.08.2023 10:46, Stefano Garzarella wrote: >> On Tue, Aug 01, 2023 at 05:17:26PM +0300, Arseniy Krasnov wrote: >>> POSIX requires to send SIGPIPE on write to SOCK_STREAM socket which was >>> shutdowned with SHUT_WR flag or its peer...
2023 Mar 21
0
[RFC PATCH v2] virtio/vsock: allocate multiple skbuffs on tx
On Mon, Mar 20, 2023 at 09:02:19PM +0300, Arseniy Krasnov wrote: > > >On 20.03.2023 17:29, Stefano Garzarella wrote: >> On Sun, Mar 19, 2023 at 09:46:10PM +0300, Arseniy Krasnov wrote: >>> This adds small optimization for tx path: instead of allocating single >>> skbuff on every call to transport, allocate multiple...
2023 Feb 16
0
[RFC PATCH v1 02/12] vsock: read from socket's error queue
On Mon, Feb 06, 2023 at 06:54:51AM +0000, Arseniy Krasnov wrote: >This adds handling of MSG_ERRQUEUE input flag for receive call, thus >skb from socket's error queue is read. A general tip, add a little more description in the commit messages, especially to explain why these changes are necessary. Otherwise, even review becomes difficul...
2023 Feb 16
0
[RFC PATCH v1 05/12] vsock/virtio: non-linear skb support
On Mon, Feb 06, 2023 at 06:58:24AM +0000, Arseniy Krasnov wrote: >Use pages of non-linear skb as buffers in virtio tx queue. > >Signed-off-by: Arseniy Krasnov <AVKrasnov at sberdevices.ru> >--- > net/vmw_vsock/virtio_transport.c | 31 +++++++++++++++++++++++++------ > 1 file changed, 25 insertions(+), 6 deletions(-) > &gt...
2023 Mar 06
0
[RFC PATCH v2 3/4] virtio/vsock: free skb on data copy failure
On Sun, Mar 05, 2023 at 11:08:38PM +0300, Arseniy Krasnov wrote: >This fixes two things in case when 'memcpy_to_msg()' fails: >1) Update credit parameters of the socket, like this skbuff was > copied to user successfully. This is needed because when skbuff was > received it's length was used to update 'rx_bytes'...
2023 Mar 10
0
[RFC PATCH v4 2/4] virtio/vsock: remove redundant 'skb_pull()' call
On Thu, Mar 09, 2023 at 11:27:02PM +0300, Arseniy Krasnov wrote: >Since we now no longer use 'skb->len' to update credit, there is no sense >to update skbuff state, because it is used only once after dequeue to >copy data and then will be released. > >Fixes: 71dc9ec9ac7d ("virtio/vsock: replace virtio_vsock_pkt with...
2023 Mar 10
0
[RFC PATCH v4 0/4] several updates to virtio/vsock
Hi Arseniy, On Thu, Mar 09, 2023 at 11:24:42PM +0300, Arseniy Krasnov wrote: >Hello, > >this patchset evolved from previous v2 version (see link below). It does >several updates to virtio/vsock: >1) Changes 'virtio_transport_inc/dec_rx_pkt()' interface. Now instead of > using skbu...
2023 Mar 23
0
[RFC PATCH v5 2/2] virtio/vsock: check argument to avoid no effect call
On Wed, Mar 22, 2023 at 09:36:24PM +0300, Arseniy Krasnov wrote: >Both of these functions have no effect when input argument is 0, so to >avoid useless spinlock access, check argument before it. > >Signed-off-by: Arseniy Krasnov <AVKrasnov at sberdevices.ru> >--- > net/vmw_vsock/virtio_transport_common.c | 6 ++++++ > 1 f...
2023 Mar 31
0
[RFC PATCH v3 2/4] vsock/vmci: convert VMCI error code to -ENOMEM on receive
On Thu, Mar 30, 2023 at 11:18:36PM +0300, Arseniy Krasnov wrote: > > >On 30.03.2023 23:13, Arseniy Krasnov wrote: >> This adds conversion of VMCI specific error code to general -ENOMEM. It >> is needed, because af_vsock.c passes error value returned from transport >> to the user, which does not expect to get VMCI_ERROR_*...
2023 Mar 31
0
[RFC PATCH v3 1/4] vsock/vmci: convert VMCI error code to -ENOMEM on send
On Thu, Mar 30, 2023 at 11:12:44PM +0300, Arseniy Krasnov wrote: >This adds conversion of VMCI specific error code to general -ENOMEM. It >is needed, because af_vsock.c passes error value returned from transport >to the user, which does not expect to get VMCI_ERROR_* values. > >Fixes: c43170b7e157 ("vsock: return errors other t...
2023 Apr 13
0
[RFC PATCH v1] vsock/loopback: don't disable irqs for queue access
On Sun, Apr 09, 2023 at 10:17:51PM +0300, Arseniy Krasnov wrote: >This replaces 'skb_queue_tail()' with 'virtio_vsock_skb_queue_tail()'. >The first one uses 'spin_lock_irqsave()', second uses 'spin_lock_bh()'. >There is no need to disable interrupts in the loopback transport as >there is no access to the...
2023 Aug 01
0
[PATCH net-next v5 4/4] vsock/virtio: MSG_ZEROCOPY flag support
On Tue, 2023-08-01 at 16:36 +0300, Arseniy Krasnov wrote: > > On 01.08.2023 16:34, Paolo Abeni wrote: > > On Sun, 2023-07-30 at 11:59 +0300, Arseniy Krasnov wrote: > > > +static int virtio_transport_fill_skb(struct sk_buff *skb, > > > + struct virtio_vsock_pkt_info *info, > > > + size_...