From: Bobby Eshleman <bobbyeshleman@gmail.com>
To: Bobby Eshleman <bobby.eshleman@gmail.com>
Cc: virtio-dev@lists.oasis-open.org,
Bobby Eshleman <bobby.eshleman@bytedance.com>,
Cong Wang <cong.wang@bytedance.com>,
Jiang Wang <jiang.wang@bytedance.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Stefano Garzarella <sgarzare@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
kvm@vger.kernel.org, virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/6] virtio/vsock: add VIRTIO_VSOCK_F_DGRAM feature bit
Date: Tue, 16 Aug 2022 02:31:47 +0000 [thread overview]
Message-ID: <YvsBk/UnAgvrqMNR@bullseye> (raw)
In-Reply-To: <3d1f32c4da81f8a0870e126369ba12bc8c4ad048.1660362668.git.bobby.eshleman@bytedance.com>
CC'ing virtio-dev@lists.oasis-open.org
On Mon, Aug 15, 2022 at 10:56:07AM -0700, Bobby Eshleman wrote:
> This commit adds a feature bit for virtio vsock to support datagrams.
>
> Signed-off-by: Jiang Wang <jiang.wang@bytedance.com>
> Signed-off-by: Bobby Eshleman <bobby.eshleman@bytedance.com>
> ---
> drivers/vhost/vsock.c | 3 ++-
> include/uapi/linux/virtio_vsock.h | 1 +
> net/vmw_vsock/virtio_transport.c | 8 ++++++--
> 3 files changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
> index b20ddec2664b..a5d1bdb786fe 100644
> --- a/drivers/vhost/vsock.c
> +++ b/drivers/vhost/vsock.c
> @@ -32,7 +32,8 @@
> enum {
> VHOST_VSOCK_FEATURES = VHOST_FEATURES |
> (1ULL << VIRTIO_F_ACCESS_PLATFORM) |
> - (1ULL << VIRTIO_VSOCK_F_SEQPACKET)
> + (1ULL << VIRTIO_VSOCK_F_SEQPACKET) |
> + (1ULL << VIRTIO_VSOCK_F_DGRAM)
> };
>
> enum {
> diff --git a/include/uapi/linux/virtio_vsock.h b/include/uapi/linux/virtio_vsock.h
> index 64738838bee5..857df3a3a70d 100644
> --- a/include/uapi/linux/virtio_vsock.h
> +++ b/include/uapi/linux/virtio_vsock.h
> @@ -40,6 +40,7 @@
>
> /* The feature bitmap for virtio vsock */
> #define VIRTIO_VSOCK_F_SEQPACKET 1 /* SOCK_SEQPACKET supported */
> +#define VIRTIO_VSOCK_F_DGRAM 2 /* Host support dgram vsock */
>
> struct virtio_vsock_config {
> __le64 guest_cid;
> diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
> index c6212eb38d3c..073314312683 100644
> --- a/net/vmw_vsock/virtio_transport.c
> +++ b/net/vmw_vsock/virtio_transport.c
> @@ -35,6 +35,7 @@ static struct virtio_transport virtio_transport; /* forward declaration */
> struct virtio_vsock {
> struct virtio_device *vdev;
> struct virtqueue *vqs[VSOCK_VQ_MAX];
> + bool has_dgram;
>
> /* Virtqueue processing is deferred to a workqueue */
> struct work_struct tx_work;
> @@ -709,7 +710,6 @@ static int virtio_vsock_probe(struct virtio_device *vdev)
> }
>
> vsock->vdev = vdev;
> -
> vsock->rx_buf_nr = 0;
> vsock->rx_buf_max_nr = 0;
> atomic_set(&vsock->queued_replies, 0);
> @@ -726,6 +726,9 @@ static int virtio_vsock_probe(struct virtio_device *vdev)
> if (virtio_has_feature(vdev, VIRTIO_VSOCK_F_SEQPACKET))
> vsock->seqpacket_allow = true;
>
> + if (virtio_has_feature(vdev, VIRTIO_VSOCK_F_DGRAM))
> + vsock->has_dgram = true;
> +
> vdev->priv = vsock;
>
> ret = virtio_vsock_vqs_init(vsock);
> @@ -820,7 +823,8 @@ static struct virtio_device_id id_table[] = {
> };
>
> static unsigned int features[] = {
> - VIRTIO_VSOCK_F_SEQPACKET
> + VIRTIO_VSOCK_F_SEQPACKET,
> + VIRTIO_VSOCK_F_DGRAM
> };
>
> static struct virtio_driver virtio_vsock_driver = {
> --
> 2.35.1
>
next prev parent reply other threads:[~2022-08-16 16:28 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-15 17:56 [PATCH 0/6] virtio/vsock: introduce dgrams, sk_buff, and qdisc Bobby Eshleman
2022-08-15 17:56 ` [PATCH 1/6] vsock: replace virtio_vsock_pkt with sk_buff Bobby Eshleman
2022-08-16 2:30 ` Bobby Eshleman
2022-08-15 17:56 ` [PATCH 2/6] vsock: return errors other than -ENOMEM to socket Bobby Eshleman
2022-08-15 20:01 ` kernel test robot
2022-08-15 23:13 ` kernel test robot
2022-08-16 2:16 ` kernel test robot
2022-08-16 2:30 ` Bobby Eshleman
2022-08-17 5:28 ` [virtio-dev] " Arseniy Krasnov
2022-09-26 13:21 ` Stefano Garzarella
2022-09-26 21:30 ` Bobby Eshleman
2022-08-15 17:56 ` [PATCH 3/6] vsock: add netdev to vhost/virtio vsock Bobby Eshleman
2022-08-16 2:31 ` Bobby Eshleman
2022-08-16 16:38 ` Michael S. Tsirkin
2022-08-16 6:18 ` Bobby Eshleman
2022-08-16 18:07 ` Jakub Kicinski
2022-08-16 7:02 ` Bobby Eshleman
2022-08-16 23:07 ` Jakub Kicinski
2022-08-16 8:29 ` Bobby Eshleman
2022-08-17 1:15 ` Jakub Kicinski
2022-08-16 10:50 ` Bobby Eshleman
2022-08-17 17:20 ` Michael S. Tsirkin
2022-08-18 4:34 ` Jason Wang
2022-08-17 1:23 ` [External] " Cong Wang .
2022-09-06 10:58 ` Michael S. Tsirkin
2022-08-18 14:20 ` Bobby Eshleman
2022-08-15 17:56 ` [PATCH 4/6] virtio/vsock: add VIRTIO_VSOCK_F_DGRAM feature bit Bobby Eshleman
2022-08-16 2:31 ` Bobby Eshleman [this message]
2022-09-26 13:17 ` Stefano Garzarella
2022-09-26 21:52 ` Bobby Eshleman
2022-08-15 17:56 ` [PATCH 5/6] virtio/vsock: add support for dgram Bobby Eshleman
2022-08-15 21:02 ` kernel test robot
2022-08-16 2:32 ` Bobby Eshleman
2022-08-17 5:01 ` [virtio-dev] " Arseniy Krasnov
2022-08-16 9:57 ` Bobby Eshleman
2022-08-18 8:24 ` Arseniy Krasnov
2022-08-17 5:42 ` Arseniy Krasnov
2022-08-16 9:58 ` Bobby Eshleman
2022-08-18 8:35 ` Arseniy Krasnov
2022-08-16 20:52 ` Bobby Eshleman
2022-08-19 4:30 ` Arseniy Krasnov
2022-08-15 17:56 ` [PATCH 6/6] vsock_test: add tests for vsock dgram Bobby Eshleman
2022-08-16 2:32 ` Bobby Eshleman
2022-08-15 20:39 ` [PATCH 0/6] virtio/vsock: introduce dgrams, sk_buff, and qdisc Michael S. Tsirkin
2022-08-16 1:55 ` Bobby Eshleman
2022-08-16 2:29 ` Bobby Eshleman
[not found] ` <CAGxU2F7+L-UiNPtUm4EukOgTVJ1J6Orqs1LMvhWWvfL9zWb23g@mail.gmail.com>
2022-08-16 2:35 ` Bobby Eshleman
2022-08-17 6:54 ` Michael S. Tsirkin
2022-08-16 9:42 ` Bobby Eshleman
2022-08-17 17:02 ` Michael S. Tsirkin
2022-08-16 11:08 ` Bobby Eshleman
2022-08-17 17:53 ` Michael S. Tsirkin
2022-08-16 12:10 ` Bobby Eshleman
2022-08-18 4:28 ` Jason Wang
2022-09-06 9:00 ` Stefano Garzarella
2022-09-06 13:26 ` Stefan Hajnoczi
2022-08-18 14:39 ` Bobby Eshleman
2022-09-08 8:30 ` Stefano Garzarella
2022-09-08 14:36 ` Call to discuss vsock netdev/sk_buff [was Re: [PATCH 0/6] virtio/vsock: introduce dgrams, sk_buff, and qdisc] Stefano Garzarella
2022-09-09 18:13 ` Bobby Eshleman
2022-09-12 18:12 ` Stefano Garzarella
2022-09-09 23:33 ` Bobby Eshleman
2022-09-16 3:51 ` Stefano Garzarella
2022-09-10 16:29 ` Bobby Eshleman
2022-09-26 13:42 ` [PATCH 0/6] virtio/vsock: introduce dgrams, sk_buff, and qdisc Stefano Garzarella
2022-09-26 21:44 ` Bobby Eshleman
2022-09-27 17:45 ` Stefano Garzarella
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