diff mbox series

[RFC,v3,2/9] hv_sock: disable SO_RCVLOWAT support

Message ID 58f53bef-62f4-fd63-472c-dcd158439b09@sberdevices.ru (mailing list archive)
State New, archived
Headers show
Series vsock: updates for SO_RCVLOWAT handling | expand

Commit Message

Arseniy Krasnov Aug. 3, 2022, 1:53 p.m. UTC 
For Hyper-V it is quiet difficult to support this socket option,due to
transport internals, so disable it.

Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
---
 net/vmw_vsock/hyperv_transport.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Stefano Garzarella Aug. 8, 2022, 10:31 a.m. UTC | #1 
On Wed, Aug 03, 2022 at 01:53:23PM +0000, Arseniy Krasnov wrote:
>For Hyper-V it is quiet difficult to support this socket option,due to
>transport internals, so disable it.
>
>Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
>Reviewed-by: Dexuan Cui <decui@microsoft.com>
>---
> net/vmw_vsock/hyperv_transport.c | 7 +++++++
> 1 file changed, 7 insertions(+)

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
diff mbox series

Patch

diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c
index e111e13b6660..5fab8f356a86 100644
--- a/net/vmw_vsock/hyperv_transport.c
+++ b/net/vmw_vsock/hyperv_transport.c
@@ -802,6 +802,12 @@  int hvs_notify_send_post_enqueue(struct vsock_sock *vsk, ssize_t written,
 	return 0;
 }
 
+static
+int hvs_set_rcvlowat(struct vsock_sock *vsk, int val)
+{
+	return -EOPNOTSUPP;
+}
+
 static struct vsock_transport hvs_transport = {
 	.module                   = THIS_MODULE,
 
@@ -837,6 +843,7 @@  static struct vsock_transport hvs_transport = {
 	.notify_send_pre_enqueue  = hvs_notify_send_pre_enqueue,
 	.notify_send_post_enqueue = hvs_notify_send_post_enqueue,
 
+	.set_rcvlowat             = hvs_set_rcvlowat
 };
 
 static bool hvs_check_transport(struct vsock_sock *vsk)