diff options
Diffstat (limited to 'host/lib/transport/vrt.cpp')
-rw-r--r-- | host/lib/transport/vrt.cpp | 549 |
1 files changed, 0 insertions, 549 deletions
diff --git a/host/lib/transport/vrt.cpp b/host/lib/transport/vrt.cpp deleted file mode 100644 index 78c3cf2cb..000000000 --- a/host/lib/transport/vrt.cpp +++ /dev/null @@ -1,549 +0,0 @@ - - - -/*********************************************************************** - * This file was generated by gen_vrt.py on 04/08/10 10:55:26 - **********************************************************************/ - -#include <uhd/transport/vrt.hpp> -#include <boost/asio.hpp> //endianness conversion -#include <stdexcept> - -using namespace uhd; -using namespace uhd::transport; - -void vrt::pack( - const tx_metadata_t &metadata, //input - boost::uint32_t *header_buff, //output - size_t &num_header_words32, //output - size_t num_payload_words32, //input - size_t &num_packet_words32, //output - size_t packet_count, //input - double tick_rate //input -){ - boost::uint32_t vrt_hdr_flags; - - boost::uint8_t pred = 0; - if (metadata.has_stream_id) pred |= 0x1; - if (metadata.has_time_spec) pred |= 0xc; - - switch(pred){ - case 0: - num_header_words32 = 1; - num_packet_words32 = 1 + num_payload_words32; - vrt_hdr_flags = 0x0; - break; - case 1: - header_buff[1] = htonl(metadata.stream_id); - num_header_words32 = 2; - num_packet_words32 = 2 + num_payload_words32; - vrt_hdr_flags = 0x10000000; - break; - case 2: - header_buff[1] = htonl(0); - header_buff[2] = htonl(0); - num_header_words32 = 3; - num_packet_words32 = 3 + num_payload_words32; - vrt_hdr_flags = 0x8000000; - break; - case 3: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(0); - header_buff[3] = htonl(0); - num_header_words32 = 4; - num_packet_words32 = 4 + num_payload_words32; - vrt_hdr_flags = 0x18000000; - break; - case 4: - header_buff[1] = htonl(metadata.time_spec.secs); - num_header_words32 = 2; - num_packet_words32 = 2 + num_payload_words32; - vrt_hdr_flags = 0xc00000; - break; - case 5: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(metadata.time_spec.secs); - num_header_words32 = 3; - num_packet_words32 = 3 + num_payload_words32; - vrt_hdr_flags = 0x10c00000; - break; - case 6: - header_buff[1] = htonl(0); - header_buff[2] = htonl(0); - header_buff[3] = htonl(metadata.time_spec.secs); - num_header_words32 = 4; - num_packet_words32 = 4 + num_payload_words32; - vrt_hdr_flags = 0x8c00000; - break; - case 7: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(0); - header_buff[3] = htonl(0); - header_buff[4] = htonl(metadata.time_spec.secs); - num_header_words32 = 5; - num_packet_words32 = 5 + num_payload_words32; - vrt_hdr_flags = 0x18c00000; - break; - case 8: - header_buff[1] = htonl(0); - header_buff[2] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 3; - num_packet_words32 = 3 + num_payload_words32; - vrt_hdr_flags = 0x100000; - break; - case 9: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(0); - header_buff[3] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 4; - num_packet_words32 = 4 + num_payload_words32; - vrt_hdr_flags = 0x10100000; - break; - case 10: - header_buff[1] = htonl(0); - header_buff[2] = htonl(0); - header_buff[3] = htonl(0); - header_buff[4] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 5; - num_packet_words32 = 5 + num_payload_words32; - vrt_hdr_flags = 0x8100000; - break; - case 11: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(0); - header_buff[3] = htonl(0); - header_buff[4] = htonl(0); - header_buff[5] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 6; - num_packet_words32 = 6 + num_payload_words32; - vrt_hdr_flags = 0x18100000; - break; - case 12: - header_buff[1] = htonl(metadata.time_spec.secs); - header_buff[2] = htonl(0); - header_buff[3] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 4; - num_packet_words32 = 4 + num_payload_words32; - vrt_hdr_flags = 0xd00000; - break; - case 13: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(metadata.time_spec.secs); - header_buff[3] = htonl(0); - header_buff[4] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 5; - num_packet_words32 = 5 + num_payload_words32; - vrt_hdr_flags = 0x10d00000; - break; - case 14: - header_buff[1] = htonl(0); - header_buff[2] = htonl(0); - header_buff[3] = htonl(metadata.time_spec.secs); - header_buff[4] = htonl(0); - header_buff[5] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 6; - num_packet_words32 = 6 + num_payload_words32; - vrt_hdr_flags = 0x8d00000; - break; - case 15: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(0); - header_buff[3] = htonl(0); - header_buff[4] = htonl(metadata.time_spec.secs); - header_buff[5] = htonl(0); - header_buff[6] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 7; - num_packet_words32 = 7 + num_payload_words32; - vrt_hdr_flags = 0x18d00000; - break; - case 16: - num_header_words32 = 1; - num_packet_words32 = 2 + num_payload_words32; - vrt_hdr_flags = 0x4000000; - break; - case 17: - header_buff[1] = htonl(metadata.stream_id); - num_header_words32 = 2; - num_packet_words32 = 3 + num_payload_words32; - vrt_hdr_flags = 0x14000000; - break; - case 18: - header_buff[1] = htonl(0); - header_buff[2] = htonl(0); - num_header_words32 = 3; - num_packet_words32 = 4 + num_payload_words32; - vrt_hdr_flags = 0xc000000; - break; - case 19: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(0); - header_buff[3] = htonl(0); - num_header_words32 = 4; - num_packet_words32 = 5 + num_payload_words32; - vrt_hdr_flags = 0x1c000000; - break; - case 20: - header_buff[1] = htonl(metadata.time_spec.secs); - num_header_words32 = 2; - num_packet_words32 = 3 + num_payload_words32; - vrt_hdr_flags = 0x4c00000; - break; - case 21: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(metadata.time_spec.secs); - num_header_words32 = 3; - num_packet_words32 = 4 + num_payload_words32; - vrt_hdr_flags = 0x14c00000; - break; - case 22: - header_buff[1] = htonl(0); - header_buff[2] = htonl(0); - header_buff[3] = htonl(metadata.time_spec.secs); - num_header_words32 = 4; - num_packet_words32 = 5 + num_payload_words32; - vrt_hdr_flags = 0xcc00000; - break; - case 23: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(0); - header_buff[3] = htonl(0); - header_buff[4] = htonl(metadata.time_spec.secs); - num_header_words32 = 5; - num_packet_words32 = 6 + num_payload_words32; - vrt_hdr_flags = 0x1cc00000; - break; - case 24: - header_buff[1] = htonl(0); - header_buff[2] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 3; - num_packet_words32 = 4 + num_payload_words32; - vrt_hdr_flags = 0x4100000; - break; - case 25: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(0); - header_buff[3] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 4; - num_packet_words32 = 5 + num_payload_words32; - vrt_hdr_flags = 0x14100000; - break; - case 26: - header_buff[1] = htonl(0); - header_buff[2] = htonl(0); - header_buff[3] = htonl(0); - header_buff[4] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 5; - num_packet_words32 = 6 + num_payload_words32; - vrt_hdr_flags = 0xc100000; - break; - case 27: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(0); - header_buff[3] = htonl(0); - header_buff[4] = htonl(0); - header_buff[5] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 6; - num_packet_words32 = 7 + num_payload_words32; - vrt_hdr_flags = 0x1c100000; - break; - case 28: - header_buff[1] = htonl(metadata.time_spec.secs); - header_buff[2] = htonl(0); - header_buff[3] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 4; - num_packet_words32 = 5 + num_payload_words32; - vrt_hdr_flags = 0x4d00000; - break; - case 29: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(metadata.time_spec.secs); - header_buff[3] = htonl(0); - header_buff[4] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 5; - num_packet_words32 = 6 + num_payload_words32; - vrt_hdr_flags = 0x14d00000; - break; - case 30: - header_buff[1] = htonl(0); - header_buff[2] = htonl(0); - header_buff[3] = htonl(metadata.time_spec.secs); - header_buff[4] = htonl(0); - header_buff[5] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 6; - num_packet_words32 = 7 + num_payload_words32; - vrt_hdr_flags = 0xcd00000; - break; - case 31: - header_buff[1] = htonl(metadata.stream_id); - header_buff[2] = htonl(0); - header_buff[3] = htonl(0); - header_buff[4] = htonl(metadata.time_spec.secs); - header_buff[5] = htonl(0); - header_buff[6] = htonl(metadata.time_spec.get_ticks(tick_rate)); - num_header_words32 = 7; - num_packet_words32 = 8 + num_payload_words32; - vrt_hdr_flags = 0x1cd00000; - break; - } - - //set the burst flags - if (metadata.start_of_burst) vrt_hdr_flags |= 0x2000000; - if (metadata.end_of_burst) vrt_hdr_flags |= 0x1000000; - - //fill in complete header word - header_buff[0] = htonl(vrt_hdr_flags | - ((packet_count & 0xf) << 16) | - (num_packet_words32 & 0xffff) - ); -} - -void vrt::unpack( - rx_metadata_t &metadata, //output - const boost::uint32_t *header_buff, //input - size_t &num_header_words32, //output - size_t &num_payload_words32, //output - size_t num_packet_words32, //input - size_t &packet_count, //output - double tick_rate //input -){ - //clear the metadata - metadata = rx_metadata_t(); - - //extract vrt header - boost::uint32_t vrt_hdr_word = ntohl(header_buff[0]); - size_t packet_words32 = vrt_hdr_word & 0xffff; - packet_count = (vrt_hdr_word >> 16) & 0xf; - - //failure cases - if (packet_words32 == 0 or num_packet_words32 < packet_words32) - throw std::runtime_error("bad vrt header or packet fragment"); - if (vrt_hdr_word & (0x7 << 29)) - throw std::runtime_error("unsupported vrt packet type"); - - boost::uint8_t pred = 0; - if(vrt_hdr_word & 0x10000000) pred |= 0x1; - if(vrt_hdr_word & 0x8000000) pred |= 0x2; - if(vrt_hdr_word & 0xc00000) pred |= 0x4; - if(vrt_hdr_word & 0x300000) pred |= 0x8; - if(vrt_hdr_word & 0x4000000) pred |= 0x10; - - switch(pred){ - case 0: - num_header_words32 = 1; - num_payload_words32 = packet_words32 - 1; - break; - case 1: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - num_header_words32 = 2; - num_payload_words32 = packet_words32 - 2; - break; - case 2: - num_header_words32 = 3; - num_payload_words32 = packet_words32 - 3; - break; - case 3: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - num_header_words32 = 4; - num_payload_words32 = packet_words32 - 4; - break; - case 4: - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[1]); - num_header_words32 = 2; - num_payload_words32 = packet_words32 - 2; - break; - case 5: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[2]); - num_header_words32 = 3; - num_payload_words32 = packet_words32 - 3; - break; - case 6: - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[3]); - num_header_words32 = 4; - num_payload_words32 = packet_words32 - 4; - break; - case 7: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[4]); - num_header_words32 = 5; - num_payload_words32 = packet_words32 - 5; - break; - case 8: - metadata.has_time_spec = true; - metadata.time_spec.set_ticks(ntohl(header_buff[2]), tick_rate); - num_header_words32 = 3; - num_payload_words32 = packet_words32 - 3; - break; - case 9: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.set_ticks(ntohl(header_buff[3]), tick_rate); - num_header_words32 = 4; - num_payload_words32 = packet_words32 - 4; - break; - case 10: - metadata.has_time_spec = true; - metadata.time_spec.set_ticks(ntohl(header_buff[4]), tick_rate); - num_header_words32 = 5; - num_payload_words32 = packet_words32 - 5; - break; - case 11: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.set_ticks(ntohl(header_buff[5]), tick_rate); - num_header_words32 = 6; - num_payload_words32 = packet_words32 - 6; - break; - case 12: - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[1]); - metadata.time_spec.set_ticks(ntohl(header_buff[3]), tick_rate); - num_header_words32 = 4; - num_payload_words32 = packet_words32 - 4; - break; - case 13: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[2]); - metadata.time_spec.set_ticks(ntohl(header_buff[4]), tick_rate); - num_header_words32 = 5; - num_payload_words32 = packet_words32 - 5; - break; - case 14: - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[3]); - metadata.time_spec.set_ticks(ntohl(header_buff[5]), tick_rate); - num_header_words32 = 6; - num_payload_words32 = packet_words32 - 6; - break; - case 15: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[4]); - metadata.time_spec.set_ticks(ntohl(header_buff[6]), tick_rate); - num_header_words32 = 7; - num_payload_words32 = packet_words32 - 7; - break; - case 16: - num_header_words32 = 1; - num_payload_words32 = packet_words32 - 2; - break; - case 17: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - num_header_words32 = 2; - num_payload_words32 = packet_words32 - 3; - break; - case 18: - num_header_words32 = 3; - num_payload_words32 = packet_words32 - 4; - break; - case 19: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - num_header_words32 = 4; - num_payload_words32 = packet_words32 - 5; - break; - case 20: - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[1]); - num_header_words32 = 2; - num_payload_words32 = packet_words32 - 3; - break; - case 21: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[2]); - num_header_words32 = 3; - num_payload_words32 = packet_words32 - 4; - break; - case 22: - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[3]); - num_header_words32 = 4; - num_payload_words32 = packet_words32 - 5; - break; - case 23: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[4]); - num_header_words32 = 5; - num_payload_words32 = packet_words32 - 6; - break; - case 24: - metadata.has_time_spec = true; - metadata.time_spec.set_ticks(ntohl(header_buff[2]), tick_rate); - num_header_words32 = 3; - num_payload_words32 = packet_words32 - 4; - break; - case 25: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.set_ticks(ntohl(header_buff[3]), tick_rate); - num_header_words32 = 4; - num_payload_words32 = packet_words32 - 5; - break; - case 26: - metadata.has_time_spec = true; - metadata.time_spec.set_ticks(ntohl(header_buff[4]), tick_rate); - num_header_words32 = 5; - num_payload_words32 = packet_words32 - 6; - break; - case 27: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.set_ticks(ntohl(header_buff[5]), tick_rate); - num_header_words32 = 6; - num_payload_words32 = packet_words32 - 7; - break; - case 28: - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[1]); - metadata.time_spec.set_ticks(ntohl(header_buff[3]), tick_rate); - num_header_words32 = 4; - num_payload_words32 = packet_words32 - 5; - break; - case 29: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[2]); - metadata.time_spec.set_ticks(ntohl(header_buff[4]), tick_rate); - num_header_words32 = 5; - num_payload_words32 = packet_words32 - 6; - break; - case 30: - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[3]); - metadata.time_spec.set_ticks(ntohl(header_buff[5]), tick_rate); - num_header_words32 = 6; - num_payload_words32 = packet_words32 - 7; - break; - case 31: - metadata.has_stream_id = true; - metadata.stream_id = ntohl(header_buff[1]); - metadata.has_time_spec = true; - metadata.time_spec.secs = ntohl(header_buff[4]); - metadata.time_spec.set_ticks(ntohl(header_buff[6]), tick_rate); - num_header_words32 = 7; - num_payload_words32 = packet_words32 - 8; - break; - } -} - |