datapath: Use udp_sock_create() for LISP.

Use the common udp_sock_create() for LISP, similar to what was
done for VXLAN.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Thomas Graf <tgraf@noironetworks.com>

diff --git a/datapath/vport-lisp.c b/datapath/vport-lisp.c
index db4d06f..c7f8a9a 100644 (file)
--- a/datapath/vport-lisp.c
+++ b/datapath/vport-lisp.c
@@ -31,6 +31,7 @@
 #include <net/ip.h>
 #include <net/route.h>
 #include <net/udp.h>
+#include <net/udp_tunnel.h>
 #include <net/xfrm.h>
 
 #include "datapath.h"
@@ -291,25 +292,20 @@ out:
 #define UDP_ENCAP_LISP 1
 static int lisp_socket_init(struct lisp_port *lisp_port, struct net *net)
 {
-       struct sockaddr_in sin;
+       struct udp_port_cfg udp_conf;
        int err;
 
-       err = sock_create_kern(AF_INET, SOCK_DGRAM, 0,
-                              &lisp_port->lisp_rcv_socket);
-       if (err)
-               goto error;
-
-       /* release net ref. */
-       sk_change_net(lisp_port->lisp_rcv_socket->sk, net);
+       memset(&udp_conf, 0, sizeof(udp_conf));
 
-       sin.sin_family = AF_INET;
-       sin.sin_addr.s_addr = htonl(INADDR_ANY);
-       sin.sin_port = lisp_port->dst_port;
+       udp_conf.family = AF_INET;
+       udp_conf.local_ip.s_addr = htonl(INADDR_ANY);
+       udp_conf.local_udp_port = lisp_port->dst_port;
 
-       err = kernel_bind(lisp_port->lisp_rcv_socket, (struct sockaddr *)&sin,
-                         sizeof(struct sockaddr_in));
-       if (err)
-               goto error_sock;
+        err = udp_sock_create(net, &udp_conf, &lisp_port->lisp_rcv_socket);
+        if (err < 0) {
+               pr_warn("cannot register lisp protocol handler: %d\n", err);
+                return err;
+       }
 
        udp_sk(lisp_port->lisp_rcv_socket->sk)->encap_type = UDP_ENCAP_LISP;
        udp_sk(lisp_port->lisp_rcv_socket->sk)->encap_rcv = lisp_rcv;
@@ -317,12 +313,6 @@ static int lisp_socket_init(struct lisp_port *lisp_port, struct net *net)
        udp_encap_enable();
 
        return 0;
-
-error_sock:
-       sk_release_kernel(lisp_port->lisp_rcv_socket->sk);
-error:
-       pr_warn("cannot register lisp protocol handler: %d\n", err);
-       return err;
 }
 
 static int lisp_get_options(const struct vport *vport, struct sk_buff *skb)