86 void rxe_queue_reset(struct rxe_queue *q);
92 int rxe_queue_resize(struct rxe_queue *q,
104 static inline int next_index(struct rxe_queue *q, int index)  in next_index()  argument
106 	return (index + 1) & q->buf->index_mask;  in next_index()
109 static inline int queue_empty(struct rxe_queue *q)  in queue_empty()  argument
111 	return ((q->buf->producer_index - q->buf->consumer_index)  in queue_empty()
112 			& q->index_mask) == 0;  in queue_empty()
115 static inline int queue_full(struct rxe_queue *q)  in queue_full()  argument
117 	return ((q->buf->producer_index + 1 - q->buf->consumer_index)  in queue_full()
118 			& q->index_mask) == 0;  in queue_full()
121 static inline void advance_producer(struct rxe_queue *q)  in advance_producer()  argument
123 	q->buf->producer_index = (q->buf->producer_index + 1)  in advance_producer()
124 			& q->index_mask;  in advance_producer()
127 static inline void advance_consumer(struct rxe_queue *q)  in advance_consumer()  argument
129 	q->buf->consumer_index = (q->buf->consumer_index + 1)  in advance_consumer()
130 			& q->index_mask;  in advance_consumer()
133 static inline void *producer_addr(struct rxe_queue *q)  in producer_addr()  argument
135 	return q->buf->data + ((q->buf->producer_index & q->index_mask)  in producer_addr()
136 				<< q->log2_elem_size);  in producer_addr()
139 static inline void *consumer_addr(struct rxe_queue *q)  in consumer_addr()  argument
141 	return q->buf->data + ((q->buf->consumer_index & q->index_mask)  in consumer_addr()
142 				<< q->log2_elem_size);  in consumer_addr()
145 static inline unsigned int producer_index(struct rxe_queue *q)  in producer_index()  argument
147 	return q->buf->producer_index;  in producer_index()
150 static inline unsigned int consumer_index(struct rxe_queue *q)  in consumer_index()  argument
152 	return q->buf->consumer_index;  in consumer_index()
155 static inline void *addr_from_index(struct rxe_queue *q, unsigned int index)  in addr_from_index()  argument
157 	return q->buf->data + ((index & q->index_mask)  in addr_from_index()
158 				<< q->buf->log2_elem_size);  in addr_from_index()
161 static inline unsigned int index_from_addr(const struct rxe_queue *q,  in index_from_addr()  argument
164 	return (((u8 *)addr - q->buf->data) >> q->log2_elem_size)  in index_from_addr()
165 		& q->index_mask;  in index_from_addr()
168 static inline unsigned int queue_count(const struct rxe_queue *q)  in queue_count()  argument
170 	return (q->buf->producer_index - q->buf->consumer_index)  in queue_count()
171 		& q->index_mask;  in queue_count()
174 static inline void *queue_head(struct rxe_queue *q)  in queue_head()  argument
176 	return queue_empty(q) ? NULL : consumer_addr(q);  in queue_head()