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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: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Arseniy Krasnov 2022-08-19 05:27:34 +00:00 committed by Paolo Abeni
parent e38f22c860
commit 24764f8d3c
1 changed files with 7 additions and 0 deletions
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7
net/vmw_vsock/hyperv_transport.c
View File

@ -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)