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[RFC,v7,17/22] vhost/vsock: setup SEQPACKET ops for transport

Message ID 20210323131421.2461760-1-arseny.krasnov@kaspersky.com (mailing list archive)
State RFC
Headers show
Series virtio/vsock: introduce SOCK_SEQPACKET support | expand

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Commit Message

Arseny Krasnov March 23, 2021, 1:14 p.m. UTC
This also removes ignore of non-stream type of packets and adds
'seqpacket_allow()' callback.

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
---
 drivers/vhost/vsock.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

Comments

Stefano Garzarella March 25, 2021, 10:42 a.m. UTC | #1
On Tue, Mar 23, 2021 at 04:14:18PM +0300, Arseny Krasnov wrote:
>This also removes ignore of non-stream type of packets and adds
>'seqpacket_allow()' callback.
>
>Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
>---
> drivers/vhost/vsock.c | 15 +++++++++++++--
> 1 file changed, 13 insertions(+), 2 deletions(-)

Same thing for this transporter too, maybe we can merge with the patch 
"vhost/vsock: SEQPACKET feature bit support".

Stefano

>
>diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
>index 5e78fb719602..5af141772068 100644
>--- a/drivers/vhost/vsock.c
>+++ b/drivers/vhost/vsock.c
>@@ -354,8 +354,7 @@ 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)
>@@ -398,6 +397,8 @@ static bool vhost_vsock_more_replies(struct vhost_vsock *vsock)
> 	return val < vq->num;
> }
>
>+static bool vhost_transport_seqpacket_allow(void);
>+
> static struct virtio_transport vhost_transport = {
> 	.transport = {
> 		.module                   = THIS_MODULE,
>@@ -424,6 +425,10 @@ static struct virtio_transport vhost_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          = vhost_transport_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,
>@@ -439,8 +444,14 @@ static struct virtio_transport vhost_transport = {
> 	},
>
> 	.send_pkt = vhost_transport_send_pkt,
>+	.seqpacket_allow = false
> };
>
>+static bool vhost_transport_seqpacket_allow(void)
>+{
>+	return vhost_transport.seqpacket_allow;
>+}
>+
> static void vhost_vsock_handle_tx_kick(struct vhost_work *work)
> {
> 	struct vhost_virtqueue *vq = container_of(work, struct vhost_virtqueue,
>-- 
>2.25.1
>
Arseny Krasnov March 25, 2021, 4:04 p.m. UTC | #2
On 25.03.2021 13:42, Stefano Garzarella wrote:
> On Tue, Mar 23, 2021 at 04:14:18PM +0300, Arseny Krasnov wrote:
>> This also removes ignore of non-stream type of packets and adds
>> 'seqpacket_allow()' callback.
>>
>> Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
>> ---
>> drivers/vhost/vsock.c | 15 +++++++++++++--
>> 1 file changed, 13 insertions(+), 2 deletions(-)
> Same thing for this transporter too, maybe we can merge with the patch 
> "vhost/vsock: SEQPACKET feature bit support".
Ok, no problem
>
> Stefano
>
>> diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
>> index 5e78fb719602..5af141772068 100644
>> --- a/drivers/vhost/vsock.c
>> +++ b/drivers/vhost/vsock.c
>> @@ -354,8 +354,7 @@ 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)
>> @@ -398,6 +397,8 @@ static bool vhost_vsock_more_replies(struct vhost_vsock *vsock)
>> 	return val < vq->num;
>> }
>>
>> +static bool vhost_transport_seqpacket_allow(void);
>> +
>> static struct virtio_transport vhost_transport = {
>> 	.transport = {
>> 		.module                   = THIS_MODULE,
>> @@ -424,6 +425,10 @@ static struct virtio_transport vhost_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          = vhost_transport_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,
>> @@ -439,8 +444,14 @@ static struct virtio_transport vhost_transport = {
>> 	},
>>
>> 	.send_pkt = vhost_transport_send_pkt,
>> +	.seqpacket_allow = false
>> };
>>
>> +static bool vhost_transport_seqpacket_allow(void)
>> +{
>> +	return vhost_transport.seqpacket_allow;
>> +}
>> +
>> static void vhost_vsock_handle_tx_kick(struct vhost_work *work)
>> {
>> 	struct vhost_virtqueue *vq = container_of(work, struct vhost_virtqueue,
>> -- 
>> 2.25.1
>>
>
diff mbox series

Patch

diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index 5e78fb719602..5af141772068 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -354,8 +354,7 @@  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)
@@ -398,6 +397,8 @@  static bool vhost_vsock_more_replies(struct vhost_vsock *vsock)
 	return val < vq->num;
 }
 
+static bool vhost_transport_seqpacket_allow(void);
+
 static struct virtio_transport vhost_transport = {
 	.transport = {
 		.module                   = THIS_MODULE,
@@ -424,6 +425,10 @@  static struct virtio_transport vhost_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          = vhost_transport_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,
@@ -439,8 +444,14 @@  static struct virtio_transport vhost_transport = {
 	},
 
 	.send_pkt = vhost_transport_send_pkt,
+	.seqpacket_allow = false
 };
 
+static bool vhost_transport_seqpacket_allow(void)
+{
+	return vhost_transport.seqpacket_allow;
+}
+
 static void vhost_vsock_handle_tx_kick(struct vhost_work *work)
 {
 	struct vhost_virtqueue *vq = container_of(work, struct vhost_virtqueue,