linux-kernel - [PATCH 2/5] vhost/vsock: support for SOCK

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Message-ID: <20210103200318.1956191-1-arseny.krasnov@kaspersky.com>
Date:   Sun, 3 Jan 2021 23:03:16 +0300
From:   Arseny Krasnov <arseny.krasnov@...persky.com>
To:     Stefan Hajnoczi <stefanha@...hat.com>,
        Stefano Garzarella <sgarzare@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Andra Paraschiv <andraprs@...zon.com>,
        Jorgen Hansen <jhansen@...are.com>,
        Arseniy Krasnov <oxffffaa@...il.com>,
        Colin Ian King <colin.king@...onical.com>,
        Jeff Vander Stoep <jeffv@...gle.com>
CC:     <kvm@...r.kernel.org>, <virtualization@...ts.linux-foundation.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <stsp2@...dex.ru>, <arseny.krasnov@...persky.com>
Subject: [PATCH 2/5] vhost/vsock: support for SOCK_SEQPACKET socket.

	This patch simply adds transport ops and removes
ignore of non-stream type of packets.

Signed-off-by: Arseny Krasnov <arseny.krasnov@...persky.com>
---
 drivers/vhost/vsock.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index a483cec31d5c..4a36ef1c52d0 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -346,8 +346,7 @@ vhost_vsock_alloc_pkt(struct vhost_virtqueue *vq,
 		return NULL;
 	}
 
-	if (le16_to_cpu(pkt->hdr.type) == VIRTIO_VSOCK_TYPE_STREAM)
-		pkt->len = le32_to_cpu(pkt->hdr.len);
+	pkt->len = le32_to_cpu(pkt->hdr.len);
 
 	/* No payload */
 	if (!pkt->len)
@@ -416,6 +415,9 @@ static struct virtio_transport vhost_transport = {
 		.stream_is_active         = virtio_transport_stream_is_active,
 		.stream_allow             = virtio_transport_stream_allow,
 
+		.seqpacket_seq_send_len	  = virtio_transport_seqpacket_seq_send_len,
+		.seqpacket_seq_get_len	  = virtio_transport_seqpacket_seq_get_len,
+
 		.notify_poll_in           = virtio_transport_notify_poll_in,
 		.notify_poll_out          = virtio_transport_notify_poll_out,
 		.notify_recv_init         = virtio_transport_notify_recv_init,
-- 
2.25.1