On Sun, Mar 07, 2021 at 09:03:41PM +0300, Arseny Krasnov wrote:
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(-)
I think is better to move this patch after we set the seqpackets ops,
so we are really able to handle SEQPACKET traffic.
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index 5e78fb719602..3b0a50e6de12 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 {
@@ -785,6 +786,9 @@ 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
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