Re: [RFC PATCH v6 16/22] vhost/vsock: SEQPACKET feature bit support
From: Stefano Garzarella <sgarzare@redhat.com>
Date: 2021-03-15 11:29:20
Also in:
kvm, lkml, netdev
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 <redacted> --- 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.
quoted hunk
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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