1 // 2 // Copyright (c) 2010-2025 Antmicro 3 // 4 // This file is licensed under the MIT License. 5 // Full license text is available in 'licenses/MIT.txt'. 6 // 7 using System; 8 using Antmicro.Renode.Core.Structure.Registers; 9 using Antmicro.Renode.Logging; 10 using Antmicro.Renode.Network; 11 using Antmicro.Renode.Peripherals.Bus; 12 using Antmicro.Renode.Peripherals.CPU; 13 using Antmicro.Renode.Utilities.Packets; 14 15 namespace Antmicro.Renode.Peripherals.Network 16 { 17 public partial class SynopsysDWCEthernetQualityOfService 18 { 19 private abstract class Descriptor 20 { Descriptor(IBusController bus, ulong address, ICPU cpuContext = null)21 public Descriptor(IBusController bus, ulong address, ICPU cpuContext = null) 22 { 23 this.bus = bus; 24 this.cpuContext = cpuContext; 25 Address = address; 26 this.data = new byte[Size]; 27 } 28 Fetch()29 public virtual void Fetch() 30 { 31 bus.ReadBytes(Address, (int)Size, data, 0, true, cpuContext); 32 var structure = Packet.Decode<MinimalCommonDescriptor>(data); 33 UpdateProperties(structure); 34 } 35 Write()36 public void Write() 37 { 38 bus.WriteBytes(data, Address, context: cpuContext); 39 } 40 41 public void SetDescriptor<T>(T structure) where T : IDescriptorStruct 42 { 43 type = typeof(T); 44 data = Packet.Encode<T>(structure); 45 UpdateProperties(structure); 46 } 47 UpdateProperties(IDescriptorStruct structure)48 protected void UpdateProperties(IDescriptorStruct structure) 49 { 50 IsOwnedByDMA = structure.Owner == DescriptorOwner.DMA; 51 isContextDescriptor = structure.ContextType; 52 } 53 54 public Type Type => type; 55 public ulong Address { get; } 56 public bool? IsOwnedByDMA { get; protected set; } 57 public static uint Size => 0x10; 58 59 protected bool? isContextDescriptor; 60 protected Type type; 61 protected byte[] data; 62 63 private readonly IBusController bus; 64 private readonly ICPU cpuContext; 65 66 public interface IDescriptorStruct 67 { 68 bool ContextType { get; } 69 DescriptorOwner Owner { get; } 70 } 71 72 [LeastSignificantByteFirst] 73 private struct MinimalCommonDescriptor : IDescriptorStruct 74 { 75 public bool ContextType => contextType; 76 public DescriptorOwner Owner => owner; 77 78 #pragma warning disable 649 79 [PacketField, Offset(doubleWords: 3, bits: 30), Width(1)] // CTXT 80 public bool contextType; 81 [PacketField, Offset(doubleWords: 3, bits: 31), Width(1)] // OWN 82 public DescriptorOwner owner; 83 #pragma warning restore 649 84 } 85 } 86 87 private class RxDescriptor : Descriptor 88 { RxDescriptor(IBusController bus, ulong address, ICPU cpuContext = null)89 public RxDescriptor(IBusController bus, ulong address, ICPU cpuContext = null) : base(bus, address, cpuContext) 90 { 91 } 92 Fetch()93 public override void Fetch() 94 { 95 base.Fetch(); 96 type = typeof(NormalReadDescriptor); 97 } 98 GetNormalReadDescriptor()99 public NormalReadDescriptor GetNormalReadDescriptor() 100 { 101 return Packet.Decode<NormalReadDescriptor>(data); 102 } 103 GetAsNormalWriteBackDescriptor()104 public NormalWriteBackDescriptor GetAsNormalWriteBackDescriptor() 105 { 106 return Packet.Decode<NormalWriteBackDescriptor>(data); 107 } 108 GetAsContextDescriptor()109 public ContextDescriptor GetAsContextDescriptor() 110 { 111 return Packet.Decode<ContextDescriptor>(data); 112 } 113 114 [LeastSignificantByteFirst] 115 public struct NormalReadDescriptor : IDescriptorStruct 116 { ToStringAntmicro.Renode.Peripherals.Network.SynopsysDWCEthernetQualityOfService.RxDescriptor.NormalReadDescriptor117 public override string ToString() 118 { 119 return PrettyString; 120 } 121 122 public string PrettyString => $@"NormalReadRxDescriptor {{ 123 buffer1Address: 0x{buffer1Address:X}, 124 buffer2Address: 0x{buffer2Address:X}, 125 buffer1AddressValid: {buffer1AddressValid}, 126 buffer2AddressValid: {buffer2AddressValid}, 127 interruptOnCompletion: {interruptOnCompletion}, 128 owner: {owner} 129 }}"; 130 public bool ContextType => false; 131 public DescriptorOwner Owner => owner; 132 133 #pragma warning disable 649 134 [PacketField, Offset(doubleWords: 0, bits: 0), Width(32)] // BUF1AP 135 public uint buffer1Address; 136 // 2nd double word is reserved 137 [PacketField, Offset(doubleWords: 2, bits: 0), Width(32)] // BUF2AP 138 public uint buffer2Address; 139 // bits 0:23 of 4th double word are reserved 140 [PacketField, Offset(doubleWords: 3, bits: 24), Width(1)] // BUF1V 141 public bool buffer1AddressValid; 142 [PacketField, Offset(doubleWords: 3, bits: 25), Width(1)] // BUF2V 143 public bool buffer2AddressValid; 144 // bits 26:29 of 4th double word are reserved 145 [PacketField, Offset(doubleWords: 3, bits: 30), Width(1)] // IOC 146 public bool interruptOnCompletion; 147 [PacketField, Offset(doubleWords: 3, bits: 31), Width(1)] // OWN 148 public DescriptorOwner owner; 149 #pragma warning restore 649 150 } 151 152 [LeastSignificantByteFirst] 153 public struct NormalWriteBackDescriptor : IDescriptorStruct 154 { ToStringAntmicro.Renode.Peripherals.Network.SynopsysDWCEthernetQualityOfService.RxDescriptor.NormalWriteBackDescriptor155 public override string ToString() 156 { 157 return PrettyString; 158 } 159 160 public string PrettyString => $@"NormalWriteBackRxDescriptor {{ 161 outerVlanTag: 0x{outerVlanTag:X}, 162 innerVlanTag: 0x{innerVlanTag:X}, 163 payloadType: {payloadType}, 164 ipHeaderError: {ipHeaderError}, 165 ipv4HeaderPresent: {ipv4HeaderPresent}, 166 ipv6HeaderPresent: {ipv6HeaderPresent}, 167 ipChecksumBypassed: {ipChecksumBypassed}, 168 ipPayloadError: {ipPayloadError}, 169 ptpMessageType: {ptpMessageType}, 170 ptpPacketType: {ptpPacketType}, 171 ptpVersion: {ptpVersion}, 172 timestampAvailable: {timestampAvailable}, 173 timestampDropped: {timestampDropped}, 174 oamSubtypeCodeOrMACControlPacketOpcode: 0x{oamSubtypeCodeOrMACControlPacketOpcode:X} or {(EtherType)oamSubtypeCodeOrMACControlPacketOpcode}, 175 arpReplyNotGenerated: {arpReplyNotGenerated}, 176 vlanFiletrStatus: {vlanFiletrStatus}, 177 sourceAddressFilterFail: {sourceAddressFilterFail}, 178 destinaltionAddressFilterFail: {destinaltionAddressFilterFail}, 179 hashFilterStatus: {hashFilterStatus}, 180 macAddressMatchOrHashValue: {macAddressMatchOrHashValue}, 181 layer3FilterMatch: {layer3FilterMatch}, 182 layer4FilterMatch: {layer4FilterMatch}, 183 matchedFilterNumber: {matchedFilterNumber}, 184 packetLength: {packetLength}, 185 errorSummary: {errorSummary}, 186 lengthTypeField: {lengthTypeField}, 187 dribbleBitError: {dribbleBitError}, 188 receiveError: {receiveError}, 189 overflowError: {overflowError}, 190 receiveWatchdogTimeout: {receiveWatchdogTimeout}, 191 giantPacket: {giantPacket}, 192 crcError: {crcError}, 193 receiveStatusSegment0Valid: {receiveStatusSegment0Valid}, 194 receiveStatusSegment1Valid: {receiveStatusSegment1Valid}, 195 receiveStatusSegment2Valid: {receiveStatusSegment2Valid}, 196 lastDescriptor: {lastDescriptor}, 197 firstDescriptor: {firstDescriptor}, 198 contextType: {contextType}, 199 owner: {owner} 200 }}"; 201 public bool ContextType => contextType; 202 public DescriptorOwner Owner => owner; 203 204 #pragma warning disable 649 205 [PacketField, Offset(doubleWords: 0, bits: 0), Width(16)] // OVT 206 public uint outerVlanTag; 207 [PacketField, Offset(doubleWords: 0, bits: 16), Width(16)] // IVT 208 public uint innerVlanTag; 209 [PacketField, Offset(doubleWords: 1, bits: 0), Width(3)] // PT 210 public PayloadType payloadType; 211 [PacketField, Offset(doubleWords: 1, bits: 3), Width(1)] // IPHE 212 public bool ipHeaderError; 213 [PacketField, Offset(doubleWords: 1, bits: 4), Width(1)] // IPV4 214 public bool ipv4HeaderPresent; 215 [PacketField, Offset(doubleWords: 1, bits: 5), Width(1)] // IPV6 216 public bool ipv6HeaderPresent; 217 [PacketField, Offset(doubleWords: 1, bits: 6), Width(1)] // IPCB 218 public bool ipChecksumBypassed; 219 [PacketField, Offset(doubleWords: 1, bits: 7), Width(1)] // IPCE 220 public bool ipPayloadError; 221 [PacketField, Offset(doubleWords: 1, bits: 8), Width(4)] // PMT 222 public PTPMessageType ptpMessageType; 223 [PacketField, Offset(doubleWords: 1, bits: 12), Width(1)] // PFT 224 public bool ptpPacketType; 225 [PacketField, Offset(doubleWords: 1, bits: 13), Width(1)] // PV 226 public PTPVersion ptpVersion; 227 [PacketField, Offset(doubleWords: 1, bits: 14), Width(1)] // TSA 228 public bool timestampAvailable; 229 [PacketField, Offset(doubleWords: 1, bits: 15), Width(1)] // TD 230 public bool timestampDropped; 231 [PacketField, Offset(doubleWords: 1, bits: 16), Width(16)] // OPC 232 public uint oamSubtypeCodeOrMACControlPacketOpcode; 233 // bits 0:9 of 3rd double word are reserved 234 [PacketField, Offset(doubleWords: 2, bits: 10), Width(1)] // ARPNR 235 public bool arpReplyNotGenerated; 236 // bits 11:14 of 3rd double word are reserved 237 [PacketField, Offset(doubleWords: 2, bits: 15), Width(1)] // VF 238 public bool vlanFiletrStatus; 239 [PacketField, Offset(doubleWords: 2, bits: 16), Width(1)] // SAF 240 public bool sourceAddressFilterFail; 241 [PacketField, Offset(doubleWords: 2, bits: 17), Width(1)] // DAF 242 public bool destinaltionAddressFilterFail; 243 [PacketField, Offset(doubleWords: 2, bits: 18), Width(1)] // HF 244 public bool hashFilterStatus; 245 [PacketField, Offset(doubleWords: 2, bits: 19), Width(8)] // MADRM 246 public bool macAddressMatchOrHashValue; 247 [PacketField, Offset(doubleWords: 2, bits: 27), Width(1)] // L3FM 248 public bool layer3FilterMatch; 249 [PacketField, Offset(doubleWords: 2, bits: 28), Width(1)] // L4FM 250 public bool layer4FilterMatch; 251 [PacketField, Offset(doubleWords: 2, bits: 29), Width(3)] // L3L4FM 252 public uint matchedFilterNumber; 253 [PacketField, Offset(doubleWords: 3, bits: 0), Width(15)] // PL 254 public uint packetLength; 255 [PacketField, Offset(doubleWords: 3, bits: 15), Width(1)] // ES 256 public bool errorSummary; 257 [PacketField, Offset(doubleWords: 3, bits: 16), Width(3)] // LT 258 public PacketKind lengthTypeField; 259 [PacketField, Offset(doubleWords: 3, bits: 19), Width(1)] // DE 260 public bool dribbleBitError; 261 [PacketField, Offset(doubleWords: 3, bits: 20), Width(1)] // RE 262 public bool receiveError; 263 [PacketField, Offset(doubleWords: 3, bits: 21), Width(1)] // OE 264 public bool overflowError; 265 [PacketField, Offset(doubleWords: 3, bits: 22), Width(1)] // RWT 266 public bool receiveWatchdogTimeout; 267 [PacketField, Offset(doubleWords: 3, bits: 23), Width(1)] // GP 268 public bool giantPacket; 269 [PacketField, Offset(doubleWords: 3, bits: 24), Width(1)] // CE 270 public bool crcError; 271 [PacketField, Offset(doubleWords: 3, bits: 25), Width(1)] // RS0V 272 public bool receiveStatusSegment0Valid; 273 [PacketField, Offset(doubleWords: 3, bits: 26), Width(1)] // RS1V 274 public bool receiveStatusSegment1Valid; 275 [PacketField, Offset(doubleWords: 3, bits: 27), Width(1)] // RS2V 276 public bool receiveStatusSegment2Valid; 277 [PacketField, Offset(doubleWords: 3, bits: 28), Width(1)] // LD 278 public bool lastDescriptor; 279 [PacketField, Offset(doubleWords: 3, bits: 29), Width(1)] // FD 280 public bool firstDescriptor; 281 [PacketField, Offset(doubleWords: 3, bits: 30), Width(1)] // CTXT 282 public bool contextType; 283 [PacketField, Offset(doubleWords: 3, bits: 31), Width(1)] // OWN 284 public DescriptorOwner owner; 285 #pragma warning restore 649 286 } 287 288 [LeastSignificantByteFirst] 289 public struct ContextDescriptor : IDescriptorStruct 290 { ToStringAntmicro.Renode.Peripherals.Network.SynopsysDWCEthernetQualityOfService.RxDescriptor.ContextDescriptor291 public override string ToString() 292 { 293 return PrettyString; 294 } 295 296 public string PrettyString => $@"ContextRxDescriptor {{ 297 receivePacketTimestamp: 0x{receivePacketTimestamp:X}, 298 contextType: {contextType}, 299 owner: {owner} 300 }}"; 301 public bool ContextType => contextType; 302 public DescriptorOwner Owner => owner; 303 304 #pragma warning disable 649 305 [PacketField, Offset(quadWords: 0), Width(64)] // RTS 306 public ulong receivePacketTimestamp; 307 // 3nd double word and bits 0:29 of 4th double word are reserved 308 [PacketField, Offset(doubleWords: 3, bits: 30), Width(1)] // CTXT 309 public bool contextType; 310 [PacketField, Offset(doubleWords: 3, bits: 31), Width(1)] // OWN 311 public DescriptorOwner owner; 312 #pragma warning restore 649 313 } 314 } 315 316 private class TxDescriptor : Descriptor 317 { TxDescriptor(IBusController bus, ulong address, ICPU cpuContext = null)318 public TxDescriptor(IBusController bus, ulong address, ICPU cpuContext = null) : base(bus, address, cpuContext) 319 { 320 } 321 Fetch()322 public override void Fetch() 323 { 324 base.Fetch(); 325 type = isContextDescriptor.Value ? typeof(ContextDescriptor) : typeof(NormalReadDescriptor); 326 } 327 GetNormalReadDescriptor()328 public NormalReadDescriptor GetNormalReadDescriptor() 329 { 330 return Packet.Decode<NormalReadDescriptor>(data); 331 } 332 GetContextDescriptor()333 public ContextDescriptor GetContextDescriptor() 334 { 335 return Packet.Decode<ContextDescriptor>(data); 336 } 337 338 [LeastSignificantByteFirst] 339 public struct NormalReadDescriptor : IDescriptorStruct 340 { ToStringAntmicro.Renode.Peripherals.Network.SynopsysDWCEthernetQualityOfService.TxDescriptor.NormalReadDescriptor341 public override string ToString() 342 { 343 return PrettyString; 344 } 345 FetchBuffer1OrHeaderAntmicro.Renode.Peripherals.Network.SynopsysDWCEthernetQualityOfService.TxDescriptor.NormalReadDescriptor346 public byte[] FetchBuffer1OrHeader(IBusController bus, ICPU cpuContext = null) 347 { 348 var data = new byte[headerOrBuffer1Length]; 349 bus.ReadBytes((ulong)buffer1OrHeaderAddress, (int)headerOrBuffer1Length, data, 0, true, cpuContext); 350 return data; 351 } 352 FetchBuffer2OrBuffer1Antmicro.Renode.Peripherals.Network.SynopsysDWCEthernetQualityOfService.TxDescriptor.NormalReadDescriptor353 public byte[] FetchBuffer2OrBuffer1(IBusController bus, ICPU cpuContext = null) 354 { 355 var data = new byte[buffer2Length]; 356 bus.ReadBytes((ulong)buffer2orBuffer1Address, (int)buffer2Length, data, 0, true, cpuContext); 357 return data; 358 } 359 360 public uint PayloadLength 361 { 362 get 363 { 364 return payloadLengthLower15bits | payloadLength15bit << 15 | (uint)checksumControl << 16; 365 } 366 } 367 368 public string PrettyString => $@"NormalReadTxDescriptor {{ 369 buffer1OrHeaderAddress: 0x{buffer1OrHeaderAddress:X}, 370 buffer2orBuffer1Address: 0x{buffer2orBuffer1Address:X}, 371 headerOrBuffer1Length: 0x{headerOrBuffer1Length:X}, 372 vlanTagControl: {vlanTagControl}, 373 buffer2Length: 0x{buffer2Length:X}, 374 transmitTimestampEnable: {transmitTimestampEnable}, 375 interruptOnCompletion: {interruptOnCompletion}, 376 payloadLengthLower15bits: {payloadLengthLower15bits}, 377 payloadLength15bit: {payloadLength15bit}, 378 checksumControl: {checksumControl}, 379 tcpSegmentationEnable: {tcpSegmentationEnable}, 380 headerLength: {headerLength}, 381 sourceAddressControl: {sourceAddressControl}, 382 crcPadControl: {crcPadControl}, 383 lastDescriptor: {lastDescriptor}, 384 firstDescriptor: {firstDescriptor}, 385 contextType: {contextType}, 386 owner: {owner} 387 }}"; 388 public bool ContextType => contextType; 389 public DescriptorOwner Owner => owner; 390 391 #pragma warning disable 649 392 [PacketField, Offset(doubleWords: 0, bits: 0), Width(32)] // BUF1AP 393 public uint buffer1OrHeaderAddress; 394 [PacketField, Offset(doubleWords: 1, bits: 0), Width(32)] // BUF2AP 395 public uint buffer2orBuffer1Address; 396 [PacketField, Offset(doubleWords: 2, bits: 0), Width(14)] // HR/B1L 397 public uint headerOrBuffer1Length; 398 [PacketField, Offset(doubleWords: 2, bits: 14), Width(2)] // VTIR 399 public VLANTagOperation vlanTagControl; 400 [PacketField, Offset(doubleWords: 2, bits: 16), Width(14)] // B2L 401 public uint buffer2Length; 402 [PacketField, Offset(doubleWords: 2, bits: 30), Width(1)] // TTSE 403 public bool transmitTimestampEnable; 404 [PacketField, Offset(doubleWords: 2, bits: 31), Width(1)] // IOC 405 public bool interruptOnCompletion; 406 [PacketField, Offset(doubleWords: 3, bits: 0), Width(15)] // FL/TPL 407 public uint payloadLengthLower15bits; 408 [PacketField, Offset(doubleWords: 3, bits: 15), Width(1)] // TPL 409 public uint payloadLength15bit; 410 [PacketField, Offset(doubleWords: 3, bits: 16), Width(2)] // CIC/TPL 411 public ChecksumOperation checksumControl; 412 [PacketField, Offset(doubleWords: 3, bits: 18), Width(1)] // TSE 413 public bool tcpSegmentationEnable; 414 [PacketField, Offset(doubleWords: 3, bits: 19), Width(4)] // THL 415 public uint headerLength; 416 [PacketField, Offset(doubleWords: 3, bits: 23), Width(3)] // SAIC 417 public DescriptorSourceAddressOperation sourceAddressControl; 418 [PacketField, Offset(doubleWords: 3, bits: 26), Width(2)] // CPC 419 public CRCPadOperation crcPadControl; 420 [PacketField, Offset(doubleWords: 3, bits: 28), Width(1)] // LD 421 public bool lastDescriptor; 422 [PacketField, Offset(doubleWords: 3, bits: 29), Width(1)] // FD 423 public bool firstDescriptor; 424 [PacketField, Offset(doubleWords: 3, bits: 30), Width(1)] // CTXT 425 public bool contextType; 426 [PacketField, Offset(doubleWords: 3, bits: 31), Width(1)] // OWN 427 public DescriptorOwner owner; 428 #pragma warning restore 649 429 } 430 431 [LeastSignificantByteFirst] 432 public struct NormalWriteBackDescriptor : IDescriptorStruct 433 { ToStringAntmicro.Renode.Peripherals.Network.SynopsysDWCEthernetQualityOfService.TxDescriptor.NormalWriteBackDescriptor434 public override string ToString() 435 { 436 return PrettyString; 437 } 438 439 public string PrettyString => $@"NormalWriteBackTxDescriptor {{ 440 txPacketTimestamp: 0x{txPacketTimestamp:X}, 441 ipHeaderError: {ipHeaderError}, 442 deferredBit: {deferredBit}, 443 underflowError: {underflowError}, 444 excessiveDeferral: {excessiveDeferral}, 445 collisionCount: {collisionCount}, 446 excessiveCollision: {excessiveCollision}, 447 lateCollision: {lateCollision}, 448 noCarrier: {noCarrier}, 449 lossOfCarrier: {lossOfCarrier}, 450 payloadChecksumError: {payloadChecksumError}, 451 packetFlushed: {packetFlushed}, 452 jabberTimeout: {jabberTimeout}, 453 errorSummary: {errorSummary}, 454 txTimestampCaptured: {txTimestampCaptured}, 455 lastDescriptor: {lastDescriptor}, 456 firstDescriptor: {firstDescriptor}, 457 contextType: {contextType}, 458 owner: {owner} 459 }}"; 460 public bool ContextType => contextType; 461 public DescriptorOwner Owner => owner; 462 463 #pragma warning disable 649 464 [PacketField, Offset(quadWords: 0), Width(64)] // TTS 465 public ulong txPacketTimestamp; 466 // 3nd double word is reserved 467 [PacketField, Offset(doubleWords: 3, bits: 0), Width(1)] // IHE 468 public bool ipHeaderError; 469 [PacketField, Offset(doubleWords: 3, bits: 1), Width(1)] // DB 470 public bool deferredBit; 471 [PacketField, Offset(doubleWords: 3, bits: 2), Width(1)] // UF 472 public bool underflowError; 473 [PacketField, Offset(doubleWords: 3, bits: 3), Width(1)] // ED 474 public bool excessiveDeferral; 475 [PacketField, Offset(doubleWords: 3, bits: 4), Width(4)] // CC 476 public bool collisionCount; 477 [PacketField, Offset(doubleWords: 3, bits: 8), Width(1)] // EC 478 public bool excessiveCollision; 479 [PacketField, Offset(doubleWords: 3, bits: 9), Width(1)] // LC 480 public bool lateCollision; 481 [PacketField, Offset(doubleWords: 3, bits: 10), Width(1)] // NC 482 public bool noCarrier; 483 [PacketField, Offset(doubleWords: 3, bits: 11), Width(1)] // LoC 484 public bool lossOfCarrier; 485 [PacketField, Offset(doubleWords: 3, bits: 12), Width(1)] // PCE 486 public bool payloadChecksumError; 487 [PacketField, Offset(doubleWords: 3, bits: 13), Width(1)] // FF 488 public bool packetFlushed; 489 [PacketField, Offset(doubleWords: 3, bits: 14), Width(1)] // JT 490 public bool jabberTimeout; 491 [PacketField, Offset(doubleWords: 3, bits: 15), Width(1)] // ES 492 public bool errorSummary; 493 // bit 16 of 4th double word is reserved 494 [PacketField, Offset(doubleWords: 3, bits: 17), Width(1)] // TTSS 495 public bool txTimestampCaptured; 496 // bits 18:27 of 4th double word are reserved 497 [PacketField, Offset(doubleWords: 3, bits: 28), Width(1)] // LD 498 public bool lastDescriptor; 499 [PacketField, Offset(doubleWords: 3, bits: 29), Width(1)] // FD 500 public bool firstDescriptor; 501 [PacketField, Offset(doubleWords: 3, bits: 30), Width(1)] // CTXT 502 public bool contextType; 503 [PacketField, Offset(doubleWords: 3, bits: 31), Width(1)] // OWN 504 public DescriptorOwner owner; 505 #pragma warning restore 649 506 } 507 508 [LeastSignificantByteFirst] 509 public struct ContextDescriptor : IDescriptorStruct 510 { ToStringAntmicro.Renode.Peripherals.Network.SynopsysDWCEthernetQualityOfService.TxDescriptor.ContextDescriptor511 public override string ToString() 512 { 513 return PrettyString; 514 } 515 516 public string PrettyString => $@"ContextTxDescriptor {{ 517 txPacketTimestamp: {txPacketTimestamp}, 518 maximumSegmentSize: {maximumSegmentSize}, 519 innerVlanTag: {innerVlanTag}, 520 vlanTag: {vlanTag}, 521 vlanTagValid: {vlanTagValid}, 522 innerVlanTagValid: {innerVlanTagValid}, 523 innerVlanTagControl: {innerVlanTagControl}, 524 contextDescriptorError: {contextDescriptorError}, 525 oneStepTimestampCorrectionInputOrMaximumSegmentSizeValid: {oneStepTimestampCorrectionInputOrMaximumSegmentSizeValid}, 526 oneStepTimestampCorrectionEnable: {oneStepTimestampCorrectionEnable}, 527 contextType: {contextType}, 528 owner: {owner} 529 }}"; 530 public bool ContextType => contextType; 531 public DescriptorOwner Owner => owner; 532 533 #pragma warning disable 649 534 [PacketField, Offset(quadWords: 0), Width(64)] // TTS 535 public ulong txPacketTimestamp; 536 [PacketField, Offset(doubleWords: 2, bits: 0), Width(14)] // MSS 537 public uint maximumSegmentSize; 538 // bits 14:15 of 3rd double word are reserved 539 [PacketField, Offset(doubleWords: 2, bits: 16), Width(16)] // IVT 540 public uint innerVlanTag; 541 [PacketField, Offset(doubleWords: 3, bits: 0), Width(16)] // VT 542 public uint vlanTag; 543 [PacketField, Offset(doubleWords: 3, bits: 16), Width(1)] // VLTV 544 public bool vlanTagValid; 545 [PacketField, Offset(doubleWords: 3, bits: 17), Width(1)] // IVLTV 546 public bool innerVlanTagValid; 547 [PacketField, Offset(doubleWords: 3, bits: 18), Width(2)] // IVTIR 548 public VLANTagOperation innerVlanTagControl; 549 // bits 20:22 of 4th double word are reserved 550 [PacketField, Offset(doubleWords: 3, bits: 23), Width(1)] // CDE 551 public bool contextDescriptorError; 552 // bits 24:25 of 4th double word are reserved 553 [PacketField, Offset(doubleWords: 3, bits: 26), Width(1)] // TCMSSV 554 public bool oneStepTimestampCorrectionInputOrMaximumSegmentSizeValid; 555 [PacketField, Offset(doubleWords: 3, bits: 27), Width(1)] // OSTC 556 public bool oneStepTimestampCorrectionEnable; 557 // bits 28:29 of 4th double word are reserved 558 [PacketField, Offset(doubleWords: 3, bits: 30), Width(1)] // CTXT 559 public bool contextType; 560 [PacketField, Offset(doubleWords: 3, bits: 31), Width(1)] // OWN 561 public DescriptorOwner owner; 562 #pragma warning restore 649 563 } 564 } 565 566 private enum DescriptorOwner : byte 567 { 568 DMA = 1, 569 Application = 0, 570 } 571 572 private enum PayloadType : byte 573 { 574 Unknown = 0b000, 575 UDP = 0b001, 576 TCP = 0b010, 577 ICMP = 0b011, 578 IGMPIPV4 = 0b100, 579 } 580 581 private enum PTPMessageType : byte 582 { 583 NoPTPMessageReceived = 0b0000, 584 Sync = 0b0001, 585 FollowUp = 0b0010, 586 DelayRequest = 0b0011, 587 DelayResponse = 0b0100, 588 PdelayRequest = 0b0101, 589 PdelayResponse = 0b0110, 590 PdelayResponseFollowUp = 0b0111, 591 Announce = 0b1000, 592 Management = 0b1001, 593 Signaling = 0b1010, 594 // Reserved = 0b1011..0b1110, 595 PTPPacketWithReservedMessageType = 0b1111, 596 } 597 598 private enum PTPVersion : byte 599 { 600 IEEE1588version2 = 1, 601 IEEE1588version1 = 0, 602 } 603 604 private enum PacketKind : byte 605 { 606 LengthPacket = 0b000, 607 TypePacket = 0b001, 608 // Reserved = 0b010, 609 ARPRequest = 0b011, 610 TypePacketWithVLANTag = 0b100, 611 TypePacketWithDoubleVLANTag = 0b101, 612 MACControlPacket = 0b110, 613 OAMPacket = 0b111, 614 } 615 616 private enum VLANTagOperation : byte 617 { 618 None = 0b00, 619 Remove = 0b01, 620 Insert = 0b10, 621 Replace = 0b11, 622 } 623 624 private enum ChecksumOperation : byte 625 { 626 None = 0b00, 627 InsertHeaderChecksum = 0b01, 628 InsertHeaderAndPayloadChecksum = 0b10, 629 InsertHeaderPayloadAndPseudoHeaderChecksum = 0b11, 630 } 631 632 private enum DescriptorSourceAddressOperation : byte 633 { 634 MACAddressRegister0None = 0b000, 635 MACAddressRegister0Insert = 0b001, 636 MACAddressRegister0Replace = 0b010, 637 MACAddressRegister0Reserved = 0b011, 638 MACAddressRegister1None = 0b100, 639 MACAddressRegister1Insert = 0b101, 640 MACAddressRegister1Replace = 0b110, 641 MACAddressRegister1Reserved = 0b111, 642 } 643 644 private enum CRCPadOperation : byte 645 { 646 InsetCRCAndPad = 0b00, 647 InsertCRC = 0b01, 648 None = 0b10, 649 ReplaceCRC = 0b11, 650 } 651 } 652 } 653
