INDEX

NAME, SYNOPSIS, ARGUMENTS, DESCRIPTION, COPYRIGHT

"__PSKB_PULL_TAIL" "9" "July 2007" "Kernel Hackers Manual 2.6.22" "Linux Networking"

NAME

__pskb_pull_tail - advance tail of skb header

SYNOPSIS

"unsigned char * __pskb_pull_tail(struct sk_buff * " "skb" ", int " "delta" ");"


ARGUMENTS

skb

buffer to reallocate

delta

number of bytes to advance tail

DESCRIPTION

The function makes a sense only on a fragmented &sk_buff, it expands header moving its tail forward and copying necessary data from fragmented part.

&sk_buff MUST have reference count of 1.

Returns NULLfR
(and &sk_buff does not change) if pull failed or value of new tail of skb in the case of success.

All the pointers pointing into skb header may change and must be reloaded after call to this function.

COPYRIGHT

Possibly related

raw nroff source of __pskb_pull_tail(9)