tap: Renaming tap related APIs, data structures, macros

Renaming tap related APIs, data structures and macros in tap.c from macvtap_.* to tap_.*

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/macvtap_main.c

@@ -1,6 +1,6 @@
 #include <linux/etherdevice.h>
 #include <linux/if_macvlan.h>
-#include <linux/if_macvtap.h>
+#include <linux/if_tap.h>
 #include <linux/if_vlan.h>
 #include <linux/interrupt.h>
 #include <linux/nsproxy.h>
@@ -62,7 +62,7 @@ static int macvtap_newlink(struct net *src_net,
 	 */
 	vlan->tap_features = TUN_OFFLOADS;
 
-	err = netdev_rx_handler_register(dev, macvtap_handle_frame, vlan);
+	err = netdev_rx_handler_register(dev, tap_handle_frame, vlan);
 	if (err)
 		return err;
 
@@ -82,7 +82,7 @@ static void macvtap_dellink(struct net_device *dev,
 			    struct list_head *head)
 {
 	netdev_rx_handler_unregister(dev);
-	macvtap_del_queues(dev);
+	tap_del_queues(dev);
 	macvlan_dellink(dev, head);
 }
 
@@ -121,7 +121,7 @@ static int macvtap_device_event(struct notifier_block *unused,
 		 * been registered but before register_netdevice has
 		 * finished running.
 		 */
-		err = macvtap_get_minor(vlan);
+		err = tap_get_minor(vlan);
 		if (err)
 			return notifier_from_errno(err);
 
@@ -129,7 +129,7 @@ static int macvtap_device_event(struct notifier_block *unused,
 		classdev = device_create(&macvtap_class, &dev->dev, devt,
 					 dev, tap_name);
 		if (IS_ERR(classdev)) {
-			macvtap_free_minor(vlan);
+			tap_free_minor(vlan);
 			return notifier_from_errno(PTR_ERR(classdev));
 		}
 		err = sysfs_create_link(&dev->dev.kobj, &classdev->kobj,
@@ -144,10 +144,10 @@ static int macvtap_device_event(struct notifier_block *unused,
 		sysfs_remove_link(&dev->dev.kobj, tap_name);
 		devt = MKDEV(MAJOR(macvtap_major), vlan->minor);
 		device_destroy(&macvtap_class, devt);
-		macvtap_free_minor(vlan);
+		tap_free_minor(vlan);
 		break;
 	case NETDEV_CHANGE_TX_QUEUE_LEN:
-		if (macvtap_queue_resize(vlan))
+		if (tap_queue_resize(vlan))
 			return NOTIFY_BAD;
 		break;
 	}
@@ -159,7 +159,7 @@ static struct notifier_block macvtap_notifier_block __read_mostly = {
 	.notifier_call	= macvtap_device_event,
 };
 
-extern struct file_operations macvtap_fops;
+extern struct file_operations tap_fops;
 static int macvtap_init(void)
 {
 	int err;
@@ -169,7 +169,7 @@ static int macvtap_init(void)
 	if (err)
 		goto out1;
 
-	cdev_init(&macvtap_cdev, &macvtap_fops);
+	cdev_init(&macvtap_cdev, &tap_fops);
 	err = cdev_add(&macvtap_cdev, macvtap_major, MACVTAP_NUM_DEVS);
 	if (err)
 		goto out2;

drivers/vhost/net.c

@@ -24,6 +24,7 @@
 #include <linux/if_arp.h>
 #include <linux/if_tun.h>
 #include <linux/if_macvlan.h>
+#include <linux/if_tap.h>
 #include <linux/if_vlan.h>
 
 #include <net/sock.h>
@@ -960,7 +961,7 @@ static struct socket *get_tap_socket(int fd)
 	sock = tun_get_socket(file);
 	if (!IS_ERR(sock))
 		return sock;
-	sock = macvtap_get_socket(file);
+	sock = tap_get_socket(file);
 	if (IS_ERR(sock))
 		fput(file);
 	return sock;

include/linux/if_macvlan.h

@@ -9,19 +9,6 @@
 #include <net/netlink.h>
 #include <linux/u64_stats_sync.h>
 
-#if IS_ENABLED(CONFIG_MACVTAP)
-struct socket *macvtap_get_socket(struct file *);
-#else
-#include <linux/err.h>
-#include <linux/errno.h>
-struct file;
-struct socket;
-static inline struct socket *macvtap_get_socket(struct file *f)
-{
-	return ERR_PTR(-EINVAL);
-}
-#endif /* CONFIG_MACVTAP */
-
 struct macvlan_port;
 struct macvtap_queue;
 
@@ -29,7 +16,7 @@ struct macvtap_queue;
  * Maximum times a macvtap device can be opened. This can be used to
  * configure the number of receive queue, e.g. for multiqueue virtio.
  */
-#define MAX_MACVTAP_QUEUES	256
+#define MAX_TAP_QUEUES	256
 
 #define MACVLAN_MC_FILTER_BITS	8
 #define MACVLAN_MC_FILTER_SZ	(1 << MACVLAN_MC_FILTER_BITS)
@@ -49,7 +36,7 @@ struct macvlan_dev {
 	enum macvlan_mode	mode;
 	u16			flags;
 	/* This array tracks active taps. */
-	struct macvtap_queue	__rcu *taps[MAX_MACVTAP_QUEUES];
+	struct tap_queue	__rcu *taps[MAX_TAP_QUEUES];
 	/* This list tracks all taps (both enabled and disabled) */
 	struct list_head	queue_list;
 	int			numvtaps;

include/linux/if_macvtap.h

@@ -1,10 +0,0 @@
-#ifndef _LINUX_IF_MACVTAP_H_
-#define _LINUX_IF_MACVTAP_H_
-
-rx_handler_result_t macvtap_handle_frame(struct sk_buff **pskb);
-void macvtap_del_queues(struct net_device *dev);
-int macvtap_get_minor(struct macvlan_dev *vlan);
-void macvtap_free_minor(struct macvlan_dev *vlan);
-int macvtap_queue_resize(struct macvlan_dev *vlan);
-
-#endif /*_LINUX_IF_MACVTAP_H_*/

include/linux/if_tap.h

@@ -0,0 +1,23 @@
+#ifndef _LINUX_IF_TAP_H_
+#define _LINUX_IF_TAP_H_
+
+#if IS_ENABLED(CONFIG_MACVTAP)
+struct socket *tap_get_socket(struct file *);
+#else
+#include <linux/err.h>
+#include <linux/errno.h>
+struct file;
+struct socket;
+static inline struct socket *tap_get_socket(struct file *f)
+{
+	return ERR_PTR(-EINVAL);
+}
+#endif /* CONFIG_MACVTAP */
+
+rx_handler_result_t tap_handle_frame(struct sk_buff **pskb);
+void tap_del_queues(struct net_device *dev);
+int tap_get_minor(struct macvlan_dev *vlan);
+void tap_free_minor(struct macvlan_dev *vlan);
+int tap_queue_resize(struct macvlan_dev *vlan);
+
+#endif /*_LINUX_IF_TAP_H_*/