sound/firewire/amdtp-stream.c

653 		!!(params->header_length == 0 && params->payload_length == 0);
661 	params->header_length = s->ctx_data.tx.ctx_header_size;
681 				struct fw_iso_packet *params, unsigned int header_length,
692 	if (header_length > 0) {
695 		params->header_length = header_length;
700 	trace_amdtp_packet(s, cycle, cip_header, payload_length + header_length, data_blocks,
1139 static void process_rx_packets(struct fw_iso_context *context, u32 tstamp, size_t header_length,
1158 	packets = header_length / sizeof(*ctx_header);
1213 static void skip_rx_packets(struct fw_iso_context *context, u32 tstamp, size_t header_length,
1226 	packets = header_length / sizeof(*ctx_header);
1233 			.header_length = 0,
1245 static void irq_target_callback(struct fw_iso_context *context, u32 tstamp, size_t header_length,
1249 					size_t header_length, void *header, void *private_data)
1261 	packets = header_length / sizeof(*ctx_header);
1281 		header_length -= length;
1291 		process_rx_packets(context, tstamp, header_length, ctx_header, private_data);
1302 static void process_tx_packets(struct fw_iso_context *context, u32 tstamp, size_t header_length,
1317 	packet_count = header_length / s->ctx_data.tx.ctx_header_size;
1349 static void drop_tx_packets(struct fw_iso_context *context, u32 tstamp, size_t header_length,
1361 	packets = header_length / s->ctx_data.tx.ctx_header_size;
1378 					size_t header_length, void *header, void *private_data)
1389 	packets = header_length / s->ctx_data.tx.ctx_header_size;
1413 		header_length -= length;
1420 		process_tx_packets(context, tstamp, header_length, ctx_header, s);
1429 				      size_t header_length, void *header, void *private_data)
1441 	count = header_length / s->ctx_data.tx.ctx_header_size;
1481 	drop_tx_packets(context, tstamp, header_length, header, s);
1544 static void irq_target_callback(struct fw_iso_context *context, u32 tstamp, size_t header_length,
1550 	process_rx_packets(context, tstamp, header_length, header, private_data);
1555 					size_t header_length, void *header, void *private_data)
1560 	process_rx_packets_intermediately(context, tstamp, header_length, header, private_data);
1565 				     size_t header_length, void *header, void *private_data)
1571 	skip_rx_packets(context, tstamp, header_length, header, private_data);
1622 					u32 tstamp, size_t header_length,
1637 	context->callback.sc(context, tstamp, header_length, header, s);
1796 			params.header_length = 0;