50 #define NEXT(skb) ((skb)->prev)  macro
55 	NEXT(STUB(queue)) = NULL;  in wg_prev_queue_init()
60 		offsetof(struct sk_buff, next) != offsetof(struct prev_queue, empty.next) -  in wg_prev_queue_init()
68 	WRITE_ONCE(NEXT(skb), NULL);  in __wg_prev_queue_enqueue()
69 	WRITE_ONCE(NEXT(xchg_release(&queue->head, skb)), skb);  in __wg_prev_queue_enqueue()
82 	struct sk_buff *tail = queue->tail, *next = smp_load_acquire(&NEXT(tail));  in wg_prev_queue_dequeue()  local
85 		if (!next)  in wg_prev_queue_dequeue()
87 		queue->tail = next;  in wg_prev_queue_dequeue()
88 		tail = next;  in wg_prev_queue_dequeue()
89 		next = smp_load_acquire(&NEXT(next));  in wg_prev_queue_dequeue()
91 	if (next) {  in wg_prev_queue_dequeue()
92 		queue->tail = next;  in wg_prev_queue_dequeue()
99 	next = smp_load_acquire(&NEXT(tail));  in wg_prev_queue_dequeue()
100 	if (next) {  in wg_prev_queue_dequeue()
101 		queue->tail = next;  in wg_prev_queue_dequeue()
108 #undef NEXT