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Chapter XIV. UDP Segmentation Offload and Pacing
Chelsio T5/T4 Unified Wire For Linux Page 206
2. Software/Driver Loading
The driver must be loaded by the root user. Any attempt to load the driver as a regular user will
fail.
Run the following commands to load the driver:
[root@host]# modprobe cxgb4
[root@host]# modprobe t4_tom
Though normally associated with the Chelsio TCP Offload engine, the t4_tom module is
required in order to allow for the proper redirection of UDP socket calls.
- Document History 3
- TABLE OF CONTENTS 4
- I. CHELSIO UNIFIED WIRE 12 4
- II. NETWORK (NIC/TOE) 47 4
- IV. IWARP (RDMA) 64 5
- V. WD-UDP 80 5
- VI. WD-TOE 91 5
- vii 7
- XVI. BYPASS DRIVER 216 8
- XXI. UNIFIED BOOT 387 10
- XXIII. APPENDIX A 455 11
- I. Chelsio Unified Wire 12
- 1. Introduction 13
- 1.2. Hardware Requirements 14
- 1.4. Package Contents 14
- Page 15 15
- 1.4.2. RPM package 16
- 2. Hardware Installation 17
- Page 18 18
- Page 19 19
- Configuration 20
- Tuning Option 20
- Description 20
- Driver/Software installed 20
- 3.1. Pre-requisites 21
- Page 22 22
- Page 23 23
- Page 24 24
- Page 25 25
- [root@host]# ./install.py 26
- [root@host]#./install.py –h 27
- 3.2.3. CLI mode 28
- Page 29 29
- Page 30 30
- Page 31 31
- 3.3.1. Menu Mode 32
- 3.3.2. CLI mode 33
- [root@host]# ./install.py –h 34
- 3.4. Firmware update 35
- Page 37 37
- 4.1.3. CLI mode 38
- Page 39 39
- Page 40 40
- Page 41 41
- Page 42 42
- Page 43 43
- Page 44 44
- 5.4. Checking Link 45
- 6. Software/Driver Update 46
- II. Network (NIC/TOE) 47
- 4.2. Performance tuning 52
- Page 53 53
- Page 54 54
- [root@host]# ethtool -h 55
- Page 56 56
- Page 57 57
- Page 58 58
- Page 63 63
- IV. iWARP (RDMA) 64
- Page 66 66
- [root@host]# make 67
- [root@host]# make install 67
- Page 69 69
- 4.2. Enabling various MPIs 70
- Intel-MPI 71
- Page 72 72
- Page 73 73
- Page 74 74
- Page 75 75
- 4.2.4. Building MPI tests 76
- Page 77 77
- 4.3. Setting up NFS-RDMA 78
- Page 79 79
- V. WD-UDP 80
- Page 82 82
- Page 85 85
- 4.1.2. Using libcxgb4_sock 86
- Page 87 87
- Page 88 88
- Page 89 89
- Page 90 90
- VI. WD-TOE 91
- Page 93 93
- Page 96 96
- Page 97 97
- 1.2.2. Adapter Requirements 100
- 1.2.3. Storage Requirements 100
- 1.3. Software Requirements 101
- Page 102 102
- 2. Software/Driver Loading 103
- Page 104 104
- Page 105 105
- 2.3.1. Linux Requirements 106
- Page 107 107
- 3. Software/Driver Unloading 108
- 4.1. Command Line Tools 109
- Page 110 110
- 4.3.2. Basic iSCSI Control 111
- Page 112 112
- Page 113 113
- specifies 119
- Page 121 121
- Page 122 122
- Page 123 123
- Page 124 124
- 4.6.1. ACL Enforcement 125
- 4.7.1. RAM Disk Details 126
- Page 127 127
- Page 128 128
- 4.9.1. iscsictl 129
- 4.9.2. chisns 129
- 4.9.3. iscsictl options 130
- 4.11.1. iscsi_offload_mode 135
- 4.11.2. iscsi_auth_order 136
- Page 137 137
- 1.2. Software Requirements 139
- Page 141 141
- Page 143 143
- 4.1.3. Discovery and Login 144
- Page 145 145
- Page 146 146
- Page 147 147
- Page 151 151
- Page 152 152
- Page 153 153
- Page 154 154
- Page 155 155
- Page 156 156
- X. FCoE PDU Offload Target 157
- Page 159 159
- Page 160 160
- Page 162 162
- Page 163 163
- Page 164 164
- Page 165 165
- Page 166 166
- Page 167 167
- Page 168 168
- Page 169 169
- Page 170 170
- Page 171 171
- Page 172 172
- 3.6. Removing LUNs 173
- 3.7. Performance tuning 173
- Page 174 174
- Page 175 175
- 4. Software/Driver Unloading 176
- Page 177 177
- 4.2.1. Verifying Local Ports 181
- Page 182 182
- Page 183 183
- Page 184 184
- [root@host]# lsscsi –g 185
- Page 186 186
- 4.4. Creating Filesystem 187
- Page 188 188
- XII. Offload Bonding driver 189
- Page 191 191
- Page 194 194
- Page 195 195
- Page 200 200
- Page 201 201
- Page 202 202
- 1.1. Hardware Requirements 204
- *Limited QA Performed 205
- Page 208 208
- Page 209 209
- 4.2. Configuring UDP Pacing 210
- XV. Offload IPv6 driver 211
- Page 213 213
- XVI. Bypass Driver 216
- 4.1. Starting ba server 222
- 4.2. Bypass API (CLI) 222
- 4.2.3. Bypass State 223
- 4.2.5. Redirect Management 224
- Command 225
- Page 227 227
- Page 228 228
- 1. Theory of Operation 229
- 2. Installation and Usage 232
- Page 233 233
- Page 234 234
- 2. Usage 237
- 2.2.1. Examples 238
- 2.3. Listing Filter Rules 239
- 2.4. Removing Filter Rules 239
- 2.5. Layer 3 example 240
- Page 241 241
- Page 242 242
- 2.6. Layer 2 example 243
- Page 244 244
- Page 245 245
- Page 246 246
- 3. Hash/DDR Filters 247
- 3.2. Listing Filter Rules 248
- 3.3. Removing Filter Rules 249
- 3.4. Swap MAC feature 249
- 3.5. Hit Counters 250
- Page 251 251
- XIX. Traffic Management 252
- 4.1.1. Class Rate Limiting 257
- Page 258 258
- Page 259 259
- Page 260 260
- Page 261 261
- 5. Usage 262
- Page 263 263
- Page 264 264
- 1.2. Reference Architecture 266
- CLI Client 267
- Web GUI Client 267
- 2. Hardware and Software 268
- 2.3. Platform/Driver Matrix 269
- Page 270 270
- Page 271 271
- Page 272 272
- 5. Management Agent 273
- 5.4. Firewall 274
- 6. CLI client 275
- 7. Web GUI client 276
- Page 277 277
- Page 278 278
- Page 279 279
- 7.3. Layout and Navigation 280
- 7.4. Home page 281
- Page 282 282
- Service Discovery 283
- Bulk Driver Installation 284
- 7.4.2. Add System 285
- 7.4.3. Remove System 286
- 7.4.4. Refresh 286
- 7.4.6. Bulk Configuration 287
- Manage Groups 288
- Boot Configuration 289
- Network Configuration 290
- Card Configuration 291
- Port Configuration 292
- Bypass Configuration 293
- 7.5. System page 294
- 7.5.2. Drivers Installation 295
- Page 296 296
- 7.5.3. Driver Details 297
- 7.5.4. System Diagnostics 298
- [root@host]# rmmod kvm 299
- [root@host]# rmmod cxgb4 299
- [root@host]# modprobe cxgb4 300
- Page 301 301
- Page 302 302
- 7.5.9. Xen Configurations 303
- 7.5.10. Xen VF Properties 304
- Page 305 305
- 7.6. Network page 306
- Page 307 307
- Page 308 308
- Page 309 309
- Card statistics 310
- Port summary 311
- Port settings 312
- Port statistics 313
- Page 314 314
- Page 315 315
- System network statistics 316
- Page 317 317
- Page 318 318
- Page 319 319
- Network troubleshooting 320
- Page 321 321
- 7.6.3.1. Hypervisor 322
- Xen Bridge Configuration 322
- Page 323 323
- Page 324 324
- Page 325 325
- Page 326 326
- Page 327 327
- Page 328 328
- 7.6.4. iWARP 329
- iWARP Settings 329
- Page 330 330
- Page 331 331
- 7.6.5. Wire Direct 332
- Page 333 333
- Page 334 334
- 7.7. Storage Page 335
- Page 336 336
- 7.7.1.2. FCoE Port 337
- FCoE Port Summary 337
- FCoE Port Attributes 338
- FCoE NPIV management 339
- 7.7.1.3. FCoE Remote Port 340
- Page 341 341
- 7.7.1.4. FCoE Virtual Port 342
- FCoE Virtual Port Summary 342
- Page 343 343
- Page 344 344
- Initiator nodes 345
- Page 346 346
- Page 347 347
- Discover targets 348
- Page 349 349
- Targets 350
- Page 351 351
- FO iSCSI Manage Ports 352
- Page 353 353
- FO iSCSI Manage Instances 354
- FO iSCSI Discover Details 355
- FO iSCSI Session Details 356
- Page 357 357
- 7.7.4. iSCSI Target (Linux) 358
- Target Stack Globals 358
- Target properties 359
- Page 360 360
- Session details 361
- New Target Creation 362
- 7.7.5. LUNs 363
- Add LUN 364
- 7.7.6. Portal Groups 365
- Add Portal 366
- 7.7.7. ACLs 367
- Add ACL 368
- 7.8. Hardware Features 369
- Page 370 370
- Page 371 371
- 7.8.3. Boot 372
- Page 373 373
- T5/T4 Boot Configuration 374
- Page 375 375
- Page 376 376
- Page 377 377
- Page 378 378
- Page 379 379
- 7.8.4. Bypass 380
- Redirect Configuration 381
- Page 382 382
- Page 383 383
- Egress Queue Map 384
- Egress Packet Scheduler 384
- Page 385 385
- Page 386 386
- XXI. Unified Boot 387
- 2.1. Using Flash Utility 390
- C:\CHELSIO>cfut4 –l 391
- Page 392 392
- Page 393 393
- 2.2. Using cxgbtool 394
- 3. Configuring PXE Server 395
- 4. PXE boot process 396
- Page 397 397
- Page 398 398
- Page 399 399
- Page 400 400
- 5. FCoE boot process 401
- Page 402 402
- Page 403 403
- Page 404 404
- Page 405 405
- Page 406 406
- Page 407 407
- Page 408 408
- Page 409 409
- 6. iSCSI boot process 410
- Page 411 411
- Page 412 412
- Page 413 413
- Page 414 414
- Page 415 415
- Page 416 416
- Page 417 417
- Page 418 418
- Page 419 419
- Page 420 420
- Page 421 421
- Page 422 422
- Page 423 423
- Page 424 424
- 8. OS Installation 425
- Page 426 426
- Page 427 427
- Page 428 428
- Page 429 429
- Page 430 430
- Page 431 431
- Page 432 432
- Page 433 433
- Page 434 434
- 8.2.1. Using CD/DVD ROM 435
- Page 436 436
- Page 437 437
- Page 438 438
- Page 439 439
- 8.3.1. Using CD/DVD ROM 440
- Page 441 441
- Page 442 442
- Page 443 443
- Page 444 444
- Page 445 445
- Page 446 446
- Page 447 447
- Page 448 448
- Chapter XXI. Unified Boot 449
- XXII. Lustre File System 450
- Page 453 453
- Page 454 454
- XXIII. Appendix A 455
- 1. Troubleshooting 456
- Page 457 457
- Chapter XXIII. Appendix 458
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