202 static char *recv_frame(const struct ring_state *ring, char *frame)  in recv_frame()  argument
208 			      ring->cpu);  in recv_frame()
216 static bool recv_block(struct ring_state *ring)  in recv_block()  argument
222 	block = (void *)(ring->mmap + ring->idx * ring_block_sz);  in recv_block()
230 		frame = recv_frame(ring, frame);  in recv_block()
235 	ring->idx = (ring->idx + 1) % ring_block_nr;  in recv_block()
258 	void *ring;  in setup_ring()  local
276 	ring = mmap(0, req3.tp_block_size * req3.tp_block_nr,  in setup_ring()
279 	if (ring == MAP_FAILED)  in setup_ring()
282 	return ring;  in setup_ring()
334 static int create_ring(char **ring)  in create_ring()  argument
351 	*ring = setup_ring(fd);  in create_ring()