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SubjectRe: [RFC PATCH v8 16/19] vsock/loopback: enable SEQPACKET for transport
On Tue, Apr 13, 2021 at 03:46:39PM +0300, Arseny Krasnov wrote:
>This adds SEQPACKET ops for loopback transport and 'seqpacket_allow()'
>callback.
>
>Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
>Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
>---
> net/vmw_vsock/vsock_loopback.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
>diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c
>index a45f7ffca8c5..d38ffdbecc84 100644
>--- a/net/vmw_vsock/vsock_loopback.c
>+++ b/net/vmw_vsock/vsock_loopback.c
>@@ -63,6 +63,8 @@ static int vsock_loopback_cancel_pkt(struct vsock_sock *vsk)
> return 0;
> }
>
>+static bool vsock_loopback_seqpacket_allow(void);
>+
> static struct virtio_transport loopback_transport = {
> .transport = {
> .module = THIS_MODULE,
>@@ -89,6 +91,10 @@ static struct virtio_transport loopback_transport = {
> .stream_is_active = virtio_transport_stream_is_active,
> .stream_allow = virtio_transport_stream_allow,
>
>+ .seqpacket_dequeue = virtio_transport_seqpacket_dequeue,
>+ .seqpacket_enqueue = virtio_transport_seqpacket_enqueue,
>+ .seqpacket_allow = vsock_loopback_seqpacket_allow,
>+
> .notify_poll_in = virtio_transport_notify_poll_in,
> .notify_poll_out = virtio_transport_notify_poll_out,
> .notify_recv_init = virtio_transport_notify_recv_init,
>@@ -103,8 +109,14 @@ static struct virtio_transport loopback_transport = {
> },
>
> .send_pkt = vsock_loopback_send_pkt,
>+ .seqpacket_allow = true
> };
>
>+static bool vsock_loopback_seqpacket_allow(void)
>+{
>+ return loopback_transport.seqpacket_allow;
>+}

here I think we could always return true, since we will remove
`.seqpacket_allow` from struct virtio_transport.

>+
> static void vsock_loopback_work(struct work_struct *work)
> {
> struct vsock_loopback *vsock =
>--
>2.25.1
>

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