208 ssize_t dvb_ringbuffer_pkt_read_user(struct dvb_ringbuffer *rbuf, size_t idx,  in dvb_ringbuffer_pkt_read_user()  argument
215 	pktlen = rbuf->data[idx] << 8;  in dvb_ringbuffer_pkt_read_user()
216 	pktlen |= rbuf->data[(idx + 1) % rbuf->size];  in dvb_ringbuffer_pkt_read_user()
220 	idx = (idx + DVB_RINGBUFFER_PKTHDRSIZE + offset) % rbuf->size;  in dvb_ringbuffer_pkt_read_user()
222 	split = ((idx + len) > rbuf->size) ? rbuf->size - idx : 0;  in dvb_ringbuffer_pkt_read_user()
224 		if (copy_to_user(buf, rbuf->data+idx, split))  in dvb_ringbuffer_pkt_read_user()
228 		idx = 0;  in dvb_ringbuffer_pkt_read_user()
230 	if (copy_to_user(buf, rbuf->data+idx, todo))  in dvb_ringbuffer_pkt_read_user()
236 ssize_t dvb_ringbuffer_pkt_read(struct dvb_ringbuffer *rbuf, size_t idx,  in dvb_ringbuffer_pkt_read()  argument
243 	pktlen = rbuf->data[idx] << 8;  in dvb_ringbuffer_pkt_read()
244 	pktlen |= rbuf->data[(idx + 1) % rbuf->size];  in dvb_ringbuffer_pkt_read()
248 	idx = (idx + DVB_RINGBUFFER_PKTHDRSIZE + offset) % rbuf->size;  in dvb_ringbuffer_pkt_read()
250 	split = ((idx + len) > rbuf->size) ? rbuf->size - idx : 0;  in dvb_ringbuffer_pkt_read()
252 		memcpy(buf, rbuf->data+idx, split);  in dvb_ringbuffer_pkt_read()
255 		idx = 0;  in dvb_ringbuffer_pkt_read()
257 	memcpy(buf, rbuf->data+idx, todo);  in dvb_ringbuffer_pkt_read()
261 void dvb_ringbuffer_pkt_dispose(struct dvb_ringbuffer *rbuf, size_t idx)  in dvb_ringbuffer_pkt_dispose()  argument
265 	rbuf->data[(idx + 2) % rbuf->size] = PKT_DISPOSED;  in dvb_ringbuffer_pkt_dispose()
280 ssize_t dvb_ringbuffer_pkt_next(struct dvb_ringbuffer *rbuf, size_t idx, size_t* pktlen)  in dvb_ringbuffer_pkt_next()  argument
286 	if (idx == -1) {  in dvb_ringbuffer_pkt_next()
287 	       idx = rbuf->pread;  in dvb_ringbuffer_pkt_next()
289 		curpktlen = rbuf->data[idx] << 8;  in dvb_ringbuffer_pkt_next()
290 		curpktlen |= rbuf->data[(idx + 1) % rbuf->size];  in dvb_ringbuffer_pkt_next()
291 		idx = (idx + curpktlen + DVB_RINGBUFFER_PKTHDRSIZE) % rbuf->size;  in dvb_ringbuffer_pkt_next()
294 	consumed = (idx - rbuf->pread) % rbuf->size;  in dvb_ringbuffer_pkt_next()
298 		curpktlen = rbuf->data[idx] << 8;  in dvb_ringbuffer_pkt_next()
299 		curpktlen |= rbuf->data[(idx + 1) % rbuf->size];  in dvb_ringbuffer_pkt_next()
300 		curpktstatus = rbuf->data[(idx + 2) % rbuf->size];  in dvb_ringbuffer_pkt_next()
304 			return idx;  in dvb_ringbuffer_pkt_next()
308 		idx = (idx + curpktlen + DVB_RINGBUFFER_PKTHDRSIZE) % rbuf->size;  in dvb_ringbuffer_pkt_next()