skb_clone_writable (9) Linux Manual Page
skb_clone_writable – is the header of a clone writable
Synopsis
int skb_clone_writable(const struct sk_buff *skb, unsigned int len);Arguments
skb
-
- buffer to check
len
- length up to which to write
Description
Returns true if modifying the header part of the cloned buffer does not requires the data to be copied.