X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fdpif-netdev.c;h=461e0dc09c7337471ec9ec5489d55eafaccc5f16;hb=03f976b173e2e670eb2fa77eae8eacd2abf4bf84;hp=46eb743aa7a40801658741b777f553457c05aa26;hpb=1dd16b9a274afbde46c9d9a4052d720d4cf3c3e2;p=sliver-openvswitch.git

diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index 46eb743aa..461e0dc09 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -201,10 +201,17 @@ dpif_netdev_class_is_dummy(const struct dpif_class *class)
     return class != &dpif_netdev_class;
 }
 
+static bool
+dpif_netdev_class_is_planetlab(const struct dpif_class *class)
+{
+    return class == &dpif_planetlab_class;
+}
+
 static const char *
 dpif_netdev_port_open_type(const struct dpif_class *class, const char *type)
 {
     return strcmp(type, "internal") ? type
+                  : dpif_netdev_class_is_planetlab(class) ? "pltap"
                   : dpif_netdev_class_is_dummy(class) ? "dummy"
                   : "tap";
 }
@@ -232,7 +239,8 @@ choose_port(struct dp_netdev *dp, const char *name)
 {
     uint32_t port_no;
 
-    if (dp->class != &dpif_netdev_class) {
+    if (dp->class != &dpif_netdev_class && 
+        dp->class != &dpif_planetlab_class) {
         const char *p;
         int start_no = 0;
 
@@ -407,6 +415,7 @@ do_add_port(struct dp_netdev *dp, const char *devname, const char *type,
     struct dp_netdev_port *port;
     struct netdev *netdev;
     struct netdev_rx *rx;
+    enum netdev_flags flags;
     const char *open_type;
     int mtu;
     int error;
@@ -419,9 +428,15 @@ do_add_port(struct dp_netdev *dp, const char *devname, const char *type,
     if (error) {
         return error;
     }
-    /* XXX reject loopback devices */
     /* XXX reject non-Ethernet devices */
 
+    netdev_get_flags(netdev, &flags);
+    if (flags & NETDEV_LOOPBACK) {
+        VLOG_ERR("%s: cannot add a loopback device", devname);
+        netdev_close(netdev);
+        return EINVAL;
+    }
+
     error = netdev_rx_open(netdev, &rx);
     if (error
         && !(error == EOPNOTSUPP && dpif_netdev_class_is_dummy(dp->class))) {
@@ -1297,41 +1312,49 @@ dp_netdev_execute_actions(struct dp_netdev *dp,
                         dp_netdev_output_port, dp_netdev_action_userspace);
 }
 
+#define DPIF_NETDEV_CLASS_FUNCTIONS			\
+    dpif_netdev_enumerate,				\
+    dpif_netdev_port_open_type,				\
+    dpif_netdev_open,					\
+    dpif_netdev_close,					\
+    dpif_netdev_destroy,				\
+    dpif_netdev_run,					\
+    dpif_netdev_wait,					\
+    dpif_netdev_get_stats,				\
+    dpif_netdev_port_add,				\
+    dpif_netdev_port_del,				\
+    dpif_netdev_port_query_by_number,			\
+    dpif_netdev_port_query_by_name,			\
+    dpif_netdev_get_max_ports,				\
+    NULL,                       /* port_get_pid */	\
+    dpif_netdev_port_dump_start,			\
+    dpif_netdev_port_dump_next,				\
+    dpif_netdev_port_dump_done,				\
+    dpif_netdev_port_poll,				\
+    dpif_netdev_port_poll_wait,				\
+    dpif_netdev_flow_get,				\
+    dpif_netdev_flow_put,				\
+    dpif_netdev_flow_del,				\
+    dpif_netdev_flow_flush,				\
+    dpif_netdev_flow_dump_start,			\
+    dpif_netdev_flow_dump_next,				\
+    dpif_netdev_flow_dump_done,				\
+    dpif_netdev_execute,				\
+    NULL,                       /* operate */		\
+    dpif_netdev_recv_set,				\
+    dpif_netdev_queue_to_priority,			\
+    dpif_netdev_recv,					\
+    dpif_netdev_recv_wait,				\
+    dpif_netdev_recv_purge,				\
+
 const struct dpif_class dpif_netdev_class = {
     "netdev",
-    dpif_netdev_enumerate,
-    dpif_netdev_port_open_type,
-    dpif_netdev_open,
-    dpif_netdev_close,
-    dpif_netdev_destroy,
-    dpif_netdev_run,
-    dpif_netdev_wait,
-    dpif_netdev_get_stats,
-    dpif_netdev_port_add,
-    dpif_netdev_port_del,
-    dpif_netdev_port_query_by_number,
-    dpif_netdev_port_query_by_name,
-    dpif_netdev_get_max_ports,
-    NULL,                       /* port_get_pid */
-    dpif_netdev_port_dump_start,
-    dpif_netdev_port_dump_next,
-    dpif_netdev_port_dump_done,
-    dpif_netdev_port_poll,
-    dpif_netdev_port_poll_wait,
-    dpif_netdev_flow_get,
-    dpif_netdev_flow_put,
-    dpif_netdev_flow_del,
-    dpif_netdev_flow_flush,
-    dpif_netdev_flow_dump_start,
-    dpif_netdev_flow_dump_next,
-    dpif_netdev_flow_dump_done,
-    dpif_netdev_execute,
-    NULL,                       /* operate */
-    dpif_netdev_recv_set,
-    dpif_netdev_queue_to_priority,
-    dpif_netdev_recv,
-    dpif_netdev_recv_wait,
-    dpif_netdev_recv_purge,
+    DPIF_NETDEV_CLASS_FUNCTIONS
+};
+
+const struct dpif_class dpif_planetlab_class = {
+    "planetlab",
+    DPIF_NETDEV_CLASS_FUNCTIONS
 };
 
 static void
@@ -1403,3 +1426,4 @@ dpif_dummy_register(bool override)
                              "DP PORT NEW-NUMBER",
                              3, 3, dpif_dummy_change_port_number, NULL);
 }
+