Commit 24764f8d authored by Arseniy Krasnov's avatar Arseniy Krasnov Committed by Paolo Abeni
Browse files

hv_sock: disable SO_RCVLOWAT support 



For Hyper-V it is quiet difficult to support this socket option,due to
transport internals, so disable it.

Signed-off-by: default avatarArseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: default avatarDexuan Cui <decui@microsoft.com>
Reviewed-by: default avatarStefano Garzarella <sgarzare@redhat.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent e38f22c8

net/vmw_vsock/hyperv_transport.c

+7 −0
Original line number Diff line number Diff line
@@ -815,6 +815,12 @@ 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,
@@ -850,6 +856,7 @@ 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)