pskb_put(9) add data to the tail of a potentially fragmented buffer

SYNOPSIS

unsigned char * pskb_put(struct sk_buff * skb, struct sk_buff * tail, int len);

ARGUMENTS

skb

start of the buffer to use

tail

tail fragment of the buffer to use

len

amount of data to add

DESCRIPTION

This function extends the used data area of the potentially fragmented buffer. tail must be the last fragment of skb -- or skb itself. If this would exceed the total buffer size the kernel will panic. A pointer to the first byte of the extra data is returned.

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