| Message ID | 20210307180344.3466469-1-arseny.krasnov@kaspersky.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | virtio/vsock: introduce SOCK_SEQPACKET support | expand |
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@kaspersky.com> >--- > 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 >
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);
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@kaspersky.com> --- drivers/vhost/vsock.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)