提交 49f96fd0 编写于 作者: J Jason Wang 提交者: David S. Miller

tap: export skb_array

This patch exports skb_array through tap_get_skb_array(). Caller can
then manipulate skb array directly.
Signed-off-by: NJason Wang <jasowang@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 83339c6b
......@@ -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>
......
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