diff options
Diffstat (limited to 'include/linux/if_tap.h')
| -rw-r--r-- | include/linux/if_tap.h | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/include/linux/if_tap.h b/include/linux/if_tap.h index 4837157da0dc..553552fa635c 100644 --- a/include/linux/if_tap.h +++ b/include/linux/if_tap.h @@ -1,27 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_IF_TAP_H_ #define _LINUX_IF_TAP_H_ +#include <net/sock.h> +#include <linux/skb_array.h> + +struct file; +struct socket; + #if IS_ENABLED(CONFIG_TAP) struct socket *tap_get_socket(struct file *); -struct skb_array *tap_get_skb_array(struct file *file); +struct ptr_ring *tap_get_ptr_ring(struct file *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); } -static inline struct skb_array *tap_get_skb_array(struct file *f) +static inline struct ptr_ring *tap_get_ptr_ring(struct file *f) { return ERR_PTR(-EINVAL); } #endif /* CONFIG_TAP */ -#include <net/sock.h> -#include <linux/skb_array.h> - +/* + * Maximum times a tap device can be opened. This can be used to + * configure the number of receive queue, e.g. for multiqueue virtio. + */ #define MAX_TAP_QUEUES 256 struct tap_queue; @@ -57,7 +63,6 @@ struct tap_dev { struct tap_queue { struct sock sk; struct socket sock; - struct socket_wq wq; int vnet_hdr_sz; struct tap_dev __rcu *tap; struct file *file; @@ -65,7 +70,7 @@ struct tap_queue { u16 queue_index; bool enabled; struct list_head next; - struct skb_array skb_array; + struct ptr_ring ring; }; rx_handler_result_t tap_handle_frame(struct sk_buff **pskb); @@ -73,8 +78,8 @@ void tap_del_queues(struct tap_dev *tap); int tap_get_minor(dev_t major, struct tap_dev *tap); void tap_free_minor(dev_t major, struct tap_dev *tap); int tap_queue_resize(struct tap_dev *tap); -int tap_create_cdev(struct cdev *tap_cdev, - dev_t *tap_major, const char *device_name); +int tap_create_cdev(struct cdev *tap_cdev, dev_t *tap_major, + const char *device_name, struct module *module); void tap_destroy_cdev(dev_t major, struct cdev *tap_cdev); #endif /*_LINUX_IF_TAP_H_*/ |
