linux-kernel - Re: [RFC PATCH v7 13/22] virtio/vsock: add SEQPACKET receive logic

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Date:   Thu, 25 Mar 2021 11:09:13 +0100
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     Arseny Krasnov <arseny.krasnov@...persky.com>
Cc:     Stefan Hajnoczi <stefanha@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jorgen Hansen <jhansen@...are.com>,
        Andra Paraschiv <andraprs@...zon.com>,
        Norbert Slusarek <nslusarek@....net>,
        Colin Ian King <colin.king@...onical.com>,
        Alexander Popov <alex.popov@...ux.com>, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, stsp2@...dex.ru, oxffffaa@...il.com
Subject: Re: [RFC PATCH v7 13/22] virtio/vsock: add SEQPACKET receive logic

On Tue, Mar 23, 2021 at 04:13:13PM +0300, Arseny Krasnov wrote:
>This modifies current receive logic for SEQPACKET support:
>1) Inserts 'SEQ_BEGIN' packet to socket's rx queue.
>2) Inserts 'RW' packet to socket's rx queue, but without merging with
>   buffer of last packet in queue.
>3) Performs check for packet and socket types on receive(if mismatch,
>   then reset connection).
>
>Signed-off-by: Arseny Krasnov <arseny.krasnov@...persky.com>
>---
> v6 -> v7:
> In 'virtio_transport_recv_pkt()', 'sock_put()' is added, when type of
> received packet does not match to the type of socket.
>
> net/vmw_vsock/virtio_transport_common.c | 64 +++++++++++++++++--------
> 1 file changed, 45 insertions(+), 19 deletions(-)


Reviewed-by: Stefano Garzarella <sgarzare@...hat.com>