diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index a993cbeb9e0c..5763503fe4e6 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -135,6 +135,7 @@ config MACVTAP tristate "MAC-VLAN based tap driver" depends on MACVLAN depends on INET + select TAP help This adds a specialized tap character device driver that is based on the MAC-VLAN network interface, called macvtap. A macvtap device @@ -287,6 +288,12 @@ config TUN If you don't know what to use this for, you don't need it. +config TAP + tristate + ---help--- + This option is selected by any driver implementing tap user space + interface for a virtual interface to re-use core tap functionality. + config TUN_VNET_CROSS_LE bool "Support for cross-endian vnet headers on little-endian kernels" default n diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 19b03a9fe0f6..7dd86ca02d0d 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_PHYLIB) += phy/ obj-$(CONFIG_RIONET) += rionet.o obj-$(CONFIG_NET_TEAM) += team/ obj-$(CONFIG_TUN) += tun.o +obj-$(CONFIG_TAP) += tap.o obj-$(CONFIG_VETH) += veth.o obj-$(CONFIG_VIRTIO_NET) += virtio_net.o obj-$(CONFIG_VXLAN) += vxlan.o @@ -29,8 +30,6 @@ obj-$(CONFIG_GTP) += gtp.o obj-$(CONFIG_NLMON) += nlmon.o obj-$(CONFIG_NET_VRF) += vrf.o -macvtap-objs := macvtap_main.o tap.o - # # Networking Drivers # diff --git a/drivers/net/macvtap_main.c b/drivers/net/macvtap.c similarity index 100% rename from drivers/net/macvtap_main.c rename to drivers/net/macvtap.c diff --git a/drivers/net/tap.c b/drivers/net/tap.c index 71bbf0b6327d..35b55a2fa1a1 100644 --- a/drivers/net/tap.c +++ b/drivers/net/tap.c @@ -312,6 +312,7 @@ void tap_del_queues(struct tap_dev *tap) /* guarantee that any future tap_set_queue will fail */ tap->numvtaps = MAX_TAP_QUEUES; } +EXPORT_SYMBOL_GPL(tap_del_queues); rx_handler_result_t tap_handle_frame(struct sk_buff **pskb) { @@ -389,6 +390,7 @@ rx_handler_result_t tap_handle_frame(struct sk_buff **pskb) kfree_skb(skb); return RX_HANDLER_CONSUMED; } +EXPORT_SYMBOL_GPL(tap_handle_frame); static struct major_info *tap_get_major(int major) { @@ -428,6 +430,7 @@ int tap_get_minor(dev_t major, struct tap_dev *tap) rcu_read_unlock(); return retval < 0 ? retval : 0; } +EXPORT_SYMBOL_GPL(tap_get_minor); void tap_free_minor(dev_t major, struct tap_dev *tap) { @@ -449,6 +452,7 @@ void tap_free_minor(dev_t major, struct tap_dev *tap) unlock: rcu_read_unlock(); } +EXPORT_SYMBOL_GPL(tap_free_minor); static struct tap_dev *dev_get_by_tap_file(int major, int minor) { @@ -1210,6 +1214,7 @@ int tap_queue_resize(struct tap_dev *tap) kfree(arrays); return ret; } +EXPORT_SYMBOL_GPL(tap_queue_resize); static int tap_list_add(dev_t major, const char *device_name) { @@ -1257,6 +1262,7 @@ int tap_create_cdev(struct cdev *tap_cdev, out1: return err; } +EXPORT_SYMBOL_GPL(tap_create_cdev); void tap_destroy_cdev(dev_t major, struct cdev *tap_cdev) { @@ -1272,3 +1278,8 @@ void tap_destroy_cdev(dev_t major, struct cdev *tap_cdev) } } } +EXPORT_SYMBOL_GPL(tap_destroy_cdev); + +MODULE_AUTHOR("Arnd Bergmann "); +MODULE_AUTHOR("Sainath Grandhi "); +MODULE_LICENSE("GPL"); diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig index 40764ecad9ce..cfdecea5078f 100644 --- a/drivers/vhost/Kconfig +++ b/drivers/vhost/Kconfig @@ -1,6 +1,6 @@ config VHOST_NET tristate "Host kernel accelerator for virtio net" - depends on NET && EVENTFD && (TUN || !TUN) && (MACVTAP || !MACVTAP) + depends on NET && EVENTFD && (TUN || !TUN) && (TAP || !TAP) select VHOST ---help--- This kernel module can be loaded in host kernel to accelerate diff --git a/include/linux/if_tap.h b/include/linux/if_tap.h index 362e71c16efb..3482c3c2037d 100644 --- a/include/linux/if_tap.h +++ b/include/linux/if_tap.h @@ -1,7 +1,7 @@ #ifndef _LINUX_IF_TAP_H_ #define _LINUX_IF_TAP_H_ -#if IS_ENABLED(CONFIG_MACVTAP) +#if IS_ENABLED(CONFIG_TAP) struct socket *tap_get_socket(struct file *); #else #include @@ -12,7 +12,7 @@ static inline struct socket *tap_get_socket(struct file *f) { return ERR_PTR(-EINVAL); } -#endif /* CONFIG_MACVTAP */ +#endif /* CONFIG_TAP */ #include #include