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Chapter V. WD-UDP
Copyright ©2013.Chelsio Communications. All Rights Reserved. Page 74
1. Introduction
Chelsio WD-UDP (Wire Direct-User Datagram Protocol) with Multicast is a user-space UDP
stack with Multicast address reception and socket acceleration that enables users to run their
existing UDP socket applications unmodified.
It features software modules that enable direct wire access from user space to the Chelsio T4
network adapter with complete bypass of the kernel, which results in an ultra-low, three
microsecond deterministic latency 10Gb Ethernet solution for high frequency trading and other
delay-sensitive applications.
1.1. Hardware Requirements
1.1.1. Supported Adapters
The following are the currently shipping Chelsio Adapters that are compatible with Chelsio WD-
UDP driver:
T420-CR
T420-LL-CR
T440-CR
T440-LP-CR
T422-CR
T420-CX
T404-BT
1.2. Software Requirements
1.2.1. Linux Requirements
Currently the WD-UDP driver is available for the following versions:
Redhat Enterprise Linux 5 update 3 kernel (RHEL5.3), 2.6.18-128.el5
Redhat Enterprise Linux 5 update 4 kernel (RHEL5.4), 2.6.18-164.el5
Redhat Enterprise Linux 5 update 5 kernel (RHEL5.5), 2.6.18-194.el5
Redhat Enterprise Linux 5 update 6 kernel (RHEL5.6), 2.6.18-238.el5
Redhat Enterprise Linux 5 update 7 kernel (RHEL5.7), 2.6.18-274.el5
Redhat Enterprise Linux 6 base kernel (RHEL6.0), 2.6.32-71.el6
Redhat Enterprise Linux 6 update 1 kernel (RHEL6.1), 2.6.32-131.0.15.el6
Redhat Enterprise Linux 6 update 2 kernel (RHEL6.2), 2.6.32-220.el6
Redhat Enterprise Linux 6 update 3 kernel (RHEL6.3), 2.6.32-279.el6
Suse Linux Enterprise Server 11 kernel (SLES11) , 2.6.27.19-5
Suse Linux Enterprise Server 11 SP1 kernel (SLES11SP1),2.6.32.12-0.7
- 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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