Name
skb_tailroom_reserve —
adjust reserved_tailroom
Synopsis
void skb_tailroom_reserve ( | struct sk_buff * skb, |
| | unsigned int mtu, |
| | unsigned int needed_tailroom); |
Arguments
struct sk_buff * skb
buffer to alter
unsigned int mtu
maximum amount of headlen permitted
unsigned int needed_tailroom
minimum amount of reserved_tailroom
Description
Set reserved_tailroom so that headlen can be as large as possible but
not larger than mtu and tailroom cannot be smaller than
needed_tailroom.
The required headroom should already have been reserved before using
this function.