skb_cow_head (9) - Linux Manuals
skb_cow_head: skb_cow but only making the head writable
NAME
skb_cow_head - skb_cow but only making the head writable
SYNOPSIS
-
int skb_cow_head(struct sk_buff
* skb, unsigned intheadroom);
ARGUMENTS
skb
-
- buffer to cow
headroom
- needed headroom
DESCRIPTION
This function is identical to skb_cow except that we replace the skb_cloned check by skb_header_cloned. It should be used when you only need to push on some header and do not need to modify the data.
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