vport: Extract common functions for virtual devices.

[cascardo/ovs.git] / datapath / vport.c

diff --git a/datapath/vport.c b/datapath/vport.c
index 691ab84..f1c78b1 100644 (file)
--- a/datapath/vport.c
+++ b/datapath/vport.c
@@ -17,6 +17,7 @@
 #include <linux/compat.h>
 
 #include "vport.h"
+#include "vport-internal_dev.h"
 
 extern struct vport_ops netdev_vport_ops;
 extern struct vport_ops internal_vport_ops;
@@ -882,9 +883,20 @@ vport_set_mtu(struct vport *vport, int mtu)
        if (mtu < 68)
                return -EINVAL;
 
-       if (vport->ops->set_mtu)
-               return vport->ops->set_mtu(vport, mtu);
-       else
+       if (vport->ops->set_mtu) {
+               int ret;
+
+               ret = vport->ops->set_mtu(vport, mtu);
+
+               if (!ret && !is_internal_vport(vport)) {
+                       struct dp_port *dp_port = vport_get_dp_port(vport);
+
+                       if (dp_port)
+                               set_internal_devs_mtu(dp_port->dp);
+               }
+
+               return ret;
+       } else
                return -EOPNOTSUPP;
 }
 
@@ -1216,25 +1228,3 @@ vport_record_error(struct vport *vport, enum vport_err_type err_type)
                spin_unlock_bh(&vport->err_stats.lock);
        }
 }
-
-/**
- *     vport_gen_ether_addr - generate an Ethernet address
- *
- * @addr: location to store generated address
- *
- * Generates a random Ethernet address for use when creating a device that
- * has no natural address.
- */
-void
-vport_gen_ether_addr(u8 *addr)
-{
-       random_ether_addr(addr);
-
-       /* Set the OUI to the Nicira one. */
-       addr[0] = 0x00;
-       addr[1] = 0x23;
-       addr[2] = 0x20;
-
-       /* Set the top bit to indicate random address. */
-       addr[3] |= 0x80;
-}