pskb_copy
Name
pskb_copy -- create copy of an sk_buff with private head.
Synopsis
struct sk_buff * pskb_copy
(struct sk_buff * skb, int gfp_mask);
Arguments
- skb
buffer to copy
- gfp_mask
allocation priority
Description
Make a copy of both an &sk_buff and part of its data, located
in header. Fragmented data remain shared. This is used when
the caller wishes to modify only header of &sk_buff and needs
private copy of the header to alter. Returns NULL
on failure
or the pointer to the buffer on success.
The returned buffer has a reference count of 1.