Man page 9 : skb_queue_head

skb_queue_head - queue a buffer at the list head

void skb_queue_head(struct sk_buff_head *  list , struct sk_buff *  newsk );

list
    list to use

newsk
    buffer to queue

Queue a buffer at the start of the list. This function takes the list lock and can be used safely with other locking sk_buff functions safely.

A buffer cannot be placed on two lists at the same time.