This adds handling of SEQPACKET bit: if guest sets features with
this bit cleared, then SOCK_SEQPACKET support will be disabled.
Signed-off-by: Arseny Krasnov <arseny.krasnov@xxxxxxxxxxxxx>
---
drivers/vhost/vsock.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index 5af141772068..710d99e61ccc 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -31,7 +31,8 @@
enum {
VHOST_VSOCK_FEATURES = VHOST_FEATURES |
- (1ULL << VIRTIO_F_ACCESS_PLATFORM)
+ (1ULL << VIRTIO_F_ACCESS_PLATFORM) |
+ (1ULL << VIRTIO_VSOCK_F_SEQPACKET)
};
enum {
@@ -796,6 +797,9 @@ static int vhost_vsock_set_features(struct vhost_vsock *vsock, u64 features)
goto err;
}
+ if (features & (1ULL << VIRTIO_VSOCK_F_SEQPACKET))
+ vhost_transport.seqpacket_allow = true;
+
for (i = 0; i < ARRAY_SIZE(vsock->vqs); i++) {
vq = &vsock->vqs[i];
mutex_lock(&vq->mutex);
--
2.25.1
