linux-kernel - [PATCH RFC net-next v3 5/8] virtio/vsock: add VIRTIO_VSOCK_F

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Message-Id: <20230413-b4-vsock-dgram-v3-5-c2414413ef6a@bytedance.com>
Date:   Wed, 31 May 2023 00:35:09 +0000
From:   Bobby Eshleman <bobby.eshleman@...edance.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>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        Bryan Tan <bryantan@...are.com>,
        Vishnu Dasa <vdasa@...are.com>,
        VMware PV-Drivers Reviewers <pv-drivers@...are.com>
Cc:     kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hyperv@...r.kernel.org,
        Bobby Eshleman <bobby.eshleman@...edance.com>,
        Jiang Wang <jiang.wang@...edance.com>
Subject: [PATCH RFC net-next v3 5/8] virtio/vsock: add VIRTIO_VSOCK_F_DGRAM
 feature bit

This commit adds a feature bit for virtio vsock to support datagrams.

Signed-off-by: Jiang Wang <jiang.wang@...edance.com>
Signed-off-by: Bobby Eshleman <bobby.eshleman@...edance.com>
---
 include/uapi/linux/virtio_vsock.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/virtio_vsock.h b/include/uapi/linux/virtio_vsock.h
index 64738838bee5..772487c66f9d 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		3	/* Host support dgram vsock */
 
 struct virtio_vsock_config {
 	__le64 guest_cid;

-- 
2.30.2