l2tp: Enable checksum unnecessary conversions for l2tp/UDP sockets

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 1109d3b..797c0af 100644 (file)
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1392,6 +1392,8 @@ static int l2tp_tunnel_sock_create(struct net *net,
                if (err < 0)
                        goto out;
 
+               udp_set_convert_csum(sock->sk, true);
+
                break;
 
        case L2TP_ENCAPTYPE_IP: