netback: make queue length parameter writeable in sysfs

Any changes will only take effect for newly created VIFs.

Also hook up the vif devices to their parent and publish bus info via
ethtool.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/drivers/xen/netback/interface.c b/drivers/xen/netback/interface.c
index 47ab3488fdda381563ddd37eafb213547fd57dad..e039dc19d7b2c4efa16cb4c5fae7132469f1bf0e 100644 (file)
--- a/drivers/xen/netback/interface.c
+++ b/drivers/xen/netback/interface.c
@@ -49,7 +49,7 @@
  * blocked.
  */
 static unsigned long netbk_queue_length = 32;
-module_param_named(queue_length, netbk_queue_length, ulong, 0);
+module_param_named(queue_length, netbk_queue_length, ulong, 0644);
 
 static void __netif_up(netif_t *netif)
 {
@@ -120,6 +120,7 @@ static void netbk_get_drvinfo(struct net_device *dev,
                              struct ethtool_drvinfo *info)
 {
        strcpy(info->driver, "netbk");
+       strcpy(info->bus_info, dev->class_dev.dev->bus_id);
 }
 
 static const struct netif_stat {

diff --git a/drivers/xen/netback/xenbus.c b/drivers/xen/netback/xenbus.c
index d7faeb624d1d2718f7d410fd7027c17029f08e63..d83d4251b6eef40729217a09e7e63d92193cbb7b 100644 (file)
--- a/drivers/xen/netback/xenbus.c
+++ b/drivers/xen/netback/xenbus.c
@@ -202,6 +202,7 @@ static void backend_create_netif(struct backend_info *be)
                xenbus_dev_fatal(dev, err, "creating interface");
                return;
        }
+       SET_NETDEV_DEV(be->netif->dev, &dev->dev);
 
        kobject_uevent(&dev->dev.kobj, KOBJ_ONLINE);
 }