1820 static inline struct sk_buff *skb_peek(const struct sk_buff_head *list_)  in skb_peek()  argument
1822 	struct sk_buff *skb = list_->next;  in skb_peek()
1824 	if (skb == (struct sk_buff *)list_)  in skb_peek()
1835 static inline struct sk_buff *__skb_peek(const struct sk_buff_head *list_)  in __skb_peek()  argument
1837 	return list_->next;  in __skb_peek()
1850 		const struct sk_buff_head *list_)  in skb_peek_next()  argument
1854 	if (next == (struct sk_buff *)list_)  in skb_peek_next()
1872 static inline struct sk_buff *skb_peek_tail(const struct sk_buff_head *list_)  in skb_peek_tail()  argument
1874 	struct sk_buff *skb = READ_ONCE(list_->prev);  in skb_peek_tail()
1876 	if (skb == (struct sk_buff *)list_)  in skb_peek_tail()
1888 static inline __u32 skb_queue_len(const struct sk_buff_head *list_)  in skb_queue_len()  argument
1890 	return list_->qlen;  in skb_queue_len()
1900 static inline __u32 skb_queue_len_lockless(const struct sk_buff_head *list_)  in skb_queue_len_lockless()  argument
1902 	return READ_ONCE(list_->qlen);  in skb_queue_len_lockless()