linux-kernel - Re: [RFC PATCH 05/13] vsock/virtio: add transport parameter to the virtio_transport_reset_no

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Message-ID: <20191009115231.GF5747@stefanha-x1.localdomain>
Date:   Wed, 9 Oct 2019 12:52:31 +0100
From:   Stefan Hajnoczi <stefanha@...il.com>
To:     Stefano Garzarella <sgarzare@...hat.com>
Cc:     netdev@...r.kernel.org, Sasha Levin <sashal@...nel.org>,
        linux-hyperv@...r.kernel.org,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        kvm@...r.kernel.org, "Michael S. Tsirkin" <mst@...hat.com>,
        Dexuan Cui <decui@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        Stefan Hajnoczi <stefanha@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jorgen Hansen <jhansen@...are.com>
Subject: Re: [RFC PATCH 05/13] vsock/virtio: add transport parameter to the
 virtio_transport_reset_no_sock()

On Fri, Sep 27, 2019 at 01:26:55PM +0200, Stefano Garzarella wrote:
> We are going to add 'struct vsock_sock *' parameter to
> virtio_transport_get_ops().
> 
> In some cases, like in the virtio_transport_reset_no_sock(),
> we don't have any socket assigned to the packet received,
> so we can't use the virtio_transport_get_ops().
> 
> In order to allow virtio_transport_reset_no_sock() to use the
> '.send_pkt' callback from the 'vhost_transport' or 'virtio_transport',
> we add the 'struct virtio_transport *' to it and to its caller:
> virtio_transport_recv_pkt().
> 
> We moved the 'vhost_transport' and 'virtio_transport' definition,
> to pass their address to the virtio_transport_recv_pkt().
> 
> Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>
> ---
>  drivers/vhost/vsock.c                   |  94 +++++++-------
>  include/linux/virtio_vsock.h            |   3 +-
>  net/vmw_vsock/virtio_transport.c        | 160 ++++++++++++------------
>  net/vmw_vsock/virtio_transport_common.c |  12 +-
>  4 files changed, 135 insertions(+), 134 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@...hat.com>

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