table of contents
| SKB_TAILROOM_RESERVE(9) | Linux Networking | SKB_TAILROOM_RESERVE(9) |
NAME¶
skb_tailroom_reserve - adjust reserved_tailroom
SYNOPSIS¶
void skb_tailroom_reserve(struct sk_buff * skb, unsigned int mtu, unsigned int needed_tailroom);
ARGUMENTS¶
skb
buffer to alter
mtu
maximum amount of headlen permitted
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.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |