summaryrefslogtreecommitdiff
path: root/net/vmw_vsock
diff options
context:
space:
mode:
Diffstat (limited to 'net/vmw_vsock')
-rw-r--r--net/vmw_vsock/af_vsock.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index b4ee163154a6..07c8f74a821f 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -2137,6 +2137,25 @@ out:
return err;
}
+static int vsock_set_rcvlowat(struct sock *sk, int val)
+{
+ const struct vsock_transport *transport;
+ struct vsock_sock *vsk;
+
+ vsk = vsock_sk(sk);
+
+ if (val > vsk->buffer_size)
+ return -EINVAL;
+
+ transport = vsk->transport;
+
+ if (transport && transport->set_rcvlowat)
+ return transport->set_rcvlowat(vsk, val);
+
+ WRITE_ONCE(sk->sk_rcvlowat, val ? : 1);
+ return 0;
+}
+
static const struct proto_ops vsock_stream_ops = {
.family = PF_VSOCK,
.owner = THIS_MODULE,
@@ -2156,6 +2175,7 @@ static const struct proto_ops vsock_stream_ops = {
.recvmsg = vsock_connectible_recvmsg,
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
+ .set_rcvlowat = vsock_set_rcvlowat,
};
static const struct proto_ops vsock_seqpacket_ops = {