@@ -1193,6 +1193,19 @@ struct socket *tap_get_socket(struct file *file)
}
EXPORT_SYMBOL_GPL(tap_get_socket);
+struct skb_array *tap_get_skb_array(struct file *file)
+{
+ struct tap_queue *q;
+
+ if (file->f_op != &tap_fops)
+ return ERR_PTR(-EINVAL);
+ q = file->private_data;
+ if (!q)
+ return ERR_PTR(-EBADFD);
+ return &q->skb_array;
+}
+EXPORT_SYMBOL_GPL(tap_get_skb_array);
+
int tap_queue_resize(struct tap_dev *tap)
{
struct net_device *dev = tap->dev;
@@ -3,6 +3,7 @@
#if IS_ENABLED(CONFIG_TAP)
struct socket *tap_get_socket(struct file *);
+struct skb_array *tap_get_skb_array(struct file *file);
#else
#include <linux/err.h>
#include <linux/errno.h>
@@ -12,6 +13,10 @@ 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)
+{
+ return ERR_PTR(-EINVAL);
+}
#endif /* CONFIG_TAP */
#include <net/sock.h>
This patch exports skb_array through tap_get_skb_array(). Caller can then manipulate skb array directly. Signed-off-by: Jason Wang <jasowang@redhat.com> --- drivers/net/tap.c | 13 +++++++++++++ include/linux/if_tap.h | 5 +++++ 2 files changed, 18 insertions(+)