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Chapter XIV. WD Sniffing and Tracing
Copyright ©2013.Chelsio Communications. All Rights Reserved. Page 193
1. Theory of Operation
The objective of these utilities (wd_sniffer and wd_tcpdump_trace) is to provide sniffing and
tracing capabilities by making use of T4's hardware features.
Sniffer- Involves targeting specific multicast traffic and sending it directly to user space.
a) Get a Queue (raw QP) idx.
b) Program a filter to redirect specific traffic to the raw QP queue.
Tracer - All tapped traffic is forwarded to user space and also pushed back on the wire via
the internal loop back mechanism
a) Get a Queue (raw QP) idx
b) Set the T4 adapter in loop back
c) Connect Client A and B to ports 0 and 1 or ports 2 and 3.
d) Enable tracing.
In either mode the targeted traffic bypasses the kernel TCP/IP stack and is delivered directly to
user space by means of an RX queue.
- Document History 3
- TABLE OF CONTENTS 4
- I. CHELSIO UNIFIED WIRE 10 4
- II. NETWORK (NIC/TOE) 40 4
- IV. IWARP (RDMA) 57 5
- V. WD-UDP 73 5
- VI. WD-TOE 84 5
- XIII. BYPASS DRIVER 180 7
- XVIII. UNIFIED BOOT 303 9
- XIX. APPENDIX A 369 9
- I. Chelsio Unified Wire 10
- 1. Introduction 11
- 1.3. Software Requirements 12
- 1.4. Package Contents 12
- 1.2. Hardware Requirements 12
- 1.4.2. RPM package 14
- 2. Hardware Installation 15
- 3.1. Pre-requisites 17
- [root@host]# ./install.py 22
- 3.2.3. CLI mode 24
- 3.3.1. Menu Mode 28
- 3.3.2. CLI mode 29
- 3.4. Firmware update 30
- 4.1.3. CLI mode 34
- 5. Configuring T4 interfaces 37
- 5.3. Checking Link 38
- 6. Software/Driver Update 39
- II. Network (NIC/TOE) 40
- 4.2. Performance tuning 45
- IV. iWARP (RDMA) 57
- 4.2. Enabling various MPIs 65
- 4.2.3.1. Intel-MPI 66
- 4.2.3.2. Platform MPI Setup 67
- 4.2.3.4. MVAPICH2-1.7 setup 68
- 4.3. Setting up NFS-RDMA 69
- 4.3.2. Starting NFS-RDMA 71
- V. WD-UDP 73
- [root@host]# make 76
- [root@host]# make install 76
- [root@host]# modprobe cxgb4 76
- 4.1.2. Using libcxgb4_sock 79
- VI. WD-TOE 84
- [root@host]# netserver 89
- 1.3.1. Linux Requirements 94
- 2.3.1. Linux Requirements 99
- 3. Software/Driver Unloading 101
- 4.1. Command Line Tools 102
- 4.3.2. Basic iSCSI Control 104
- specifies 112
- 4.6.1. ACL Enforcement 118
- 4.7.1. RAM Disk Details 119
- 4.9.1. iscsictl 122
- 4.9.2. chisns 122
- 4.9.3. iscsictl options 123
- 4.11.1. iscsi_offload_mode 128
- 4.11.2. iscsi_auth_order 129
- 1.2. Software Requirements 132
- 2. Software/Driver Loading 133
- 4.1.3. Discovery and Login 137
- 4.2.2. Verifying Local Ports 150
- [root@host]# lsscsi –g 155
- 4.4. Creating Filesystem 157
- X. Offload Bonding driver 159
- 1.1. Hardware Requirements 167
- 4.2. Configuring UDP Pacing 173
- XII. Offload IPv6 driver 174
- [root@host]# modprobe t4_tom 179
- XIII. Bypass Driver 180
- 4.1. Starting ba server 186
- 4.2. Bypass API (CLI) 186
- 4.2.3. Bypass State 187
- 4.2.5. Redirect Management 188
- Chapter XIII. Bypass Driver 189
- Redirect Command List 189
- XIV. WD Sniffing and Tracing 192
- 1. Theory of Operation 193
- 2. Installation and Usage 196
- 2. Usage 201
- 2.2.1. Examples 202
- 2.3. Listing Filter Rules 203
- 2.4. Removing Filter Rules 203
- XVI. Traffic Management 204
- 4.1.1. Class Rate Limiting 209
- 5. Usage 214
- 1.2. Reference Architecture 218
- CLI Client 219
- Web GUI Client 219
- 2. Hardware and Software 220
- 2.3. Platform/Driver Matrix 221
- 4.1.1. Licensing model 223
- 4.2.1. Licensing using CLI 223
- 4.3.1. Licensing using CLI 225
- 6. Management Agent 229
- 6.4. Firewall 230
- 7. CLI client 231
- 8. Web GUI client 232
- 8.3. Layout and Navigation 235
- 8.4. Home page 236
- 8.4.3. Remove System 237
- 8.4.4. Refresh 237
- 8.4.7. Service Discovery 240
- 8.5. System page 242
- 8.5.2. Drivers Installation 243
- 8.5.3. Licensing 244
- 8.5.4. Driver Details 246
- 8.5.5. System Diagnostics 246
- 8.6. Network page 248
- 8.6.2. Chelsio card page 249
- 8.6.3. Card summary 249
- 8.6.6. Card statistics 253
- 8.6.7. Port summary 253
- 8.6.8. Port settings 255
- 8.6.9. Port statistics 256
- 8.6.16. iWARP 264
- 8.6.17. WD-UDP 266
- Storage Summary 268
- 8.7.1. FCoE Initiator 269
- FCoE Initiator Summary 269
- FCoE Card Summary 269
- FCoE Port Attributes 272
- FCoE NPIV management 273
- 8.7.1.3. FCoE Virtual Port 274
- FCoE Virtual Port Summary 274
- 8.7.1.4. FCoE Remote Port 276
- FCoE Remote Port Summary 276
- 8.7.1.5. LUN 277
- 8.7.1.6. iSCSI initiator 277
- 8.7.2. Initiator nodes 277
- 8.7.3. Discover targets 280
- 8.7.4. Targets 282
- 8.7.6. Target Stack Globals 283
- 8.7.7. Target properties 284
- 8.7.8. Session details 285
- 8.7.9. New Target Creation 286
- 8.7.9.1. LUNs 287
- 8.7.11. Add LUN 288
- 8.7.11.1. Portal Groups 289
- 8.7.13. Add Portal 290
- 8.7.13.1. ACLs 291
- 8.7.15. Add ACL 292
- 8.8. Hardware Features 293
- 8.8.5. Boot 296
- XVIII. Unified Boot 303
- Chapter XVIII. Unified Boot 305
- C:\>cd CHELSIO 306
- C:\CHELSIO>cfut4 –l 306
- 3. Configuring PXE Server 310
- 4. PXE boot process 311
- 4.2. For uEFI PXE Boot 316
- CHELSIO\cubt4.bin 327
- 5. FCoE boot process 329
- 5.2. For uEFI FCoE Boot 338
- 7. OS Installation 355
- 7.2.1. Using CD/DVD ROM 364
- XIX. Appendix A 369
- 1. Troubleshooting 370
- Chapter XIX. Appendix 372
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