Quectel_LTE&5G_Linux_USB_Driver_User_Guide

LTE&5G Linux USB Driver User Guide LTE/5G Module Series Rev. LTE&5G_Linux_USB_Driver_User_Guide_V2.0 Date: 2019-12-11 Status: Released www.quectel.com

LTE/5G Module Series LTE&5G Linux USB Driver User Guide Our aim is to provide customers with timely and comprehensive service. For any assistance, please contact our company headquarters: Quectel Wireless Solutions Co., Ltd. Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District, Shanghai, China 200233 Tel: +86 21 5108 6236 Email: info@quectel.com Or our local office. For more information, please visit: http://www.quectel.com/support/sales.htm For technical support, or to report documentation errors, please visit: http://www.quectel.com/support/technical.htm Or email to: support@quectel.com GENERAL NOTES QUECTEL OFFERS THE INFORMATION AS A SERVICE TO ITS CUSTOMERS. THE INFORMATION PROVIDED IS BASED UPON CUSTOMERS’ REQUIREMENTS. QUECTEL MAKES EVERY EFFORT TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE. QUECTEL DOES NOT MAKE ANY WARRANTY AS TO THE INFORMATION CONTAINED HEREIN, AND DOES NOT ACCEPT ANY LIABILITY FOR ANY INJURY, LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR RELIANCE UPON THE INFORMATION. ALL INFORMATION SUPPLIED HEREIN IS SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. COPYRIGHT THE INFORMATION CONTAINED HERE IS PROPRIETARY TECHNICAL INFORMATION OF QUECTEL WIRELESS SOLUTIONS CO., LTD. TRANSMITTING, REPRODUCTION, DISSEMINATION AND EDITING OF THIS DOCUMENT AS WELL AS UTILIZATION OF THE CONTENT ARE FORBIDDEN WITHOUT PERMISSION. OFFENDERS WILL BE HELD LIABLE FOR PAYMENT OF DAMAGES. ALL RIGHTS ARE RESERVED IN THE EVENT OF A PATENT GRANT OR REGISTRATION OF A UTILITY MODEL OR DESIGN. Copyright © Quectel Wireless Solutions Co., Ltd. 2019. All rights reserved. LTE&5G_Linux_USB_Driver_User_Guide 1 / 38

LTE/5G Module Series LTE&5G Linux USB Driver User Guide About the Document History Revision Date Author Description 1.0 1.1 1.2 2015-02-27 Joe WANG Initial 2015-3-25 Carl YIN Updated supported products 2015-3-30 Kent XU Added Zero Packet feature in Section 3.2.2 and 3.3.2 1.3 2015-06-24 Carl YIN 1.4 2015-12-16 1. Added GobiNet and QMI WWAN description in Section 3.4 and 3.5 2. Added building drivers as a kernel module in Section 3.2.4/3.3.4/3.4.3/3.5.4 3. Added power management in Chapter 4 4. Added FAQ and kernel log in Chapter 6 1. Deleted Auto-Connect of GobiNet and QMI WWAN 2. Updated the usage of quectel-CM 2016-05-13 Carl YIN/ Neo HOU Updated supported modules 2016-08-23 Kent XU Added EC20 R2.0 in supported modules Added EG91/EG95/EG06/EP06/EM06/BG96 in supported modules Updated description of supported modules and added AG35 in supported modules. 1. Added applicable modules, which can be referred in Table 1. 2. Updated USB driver interface description in Table 2. 3. Updated description of USB serial option, GobiNet and QMI_WWAN drivers in Chapter 3.2, 3.3 and 3.4. 4. Added related content of testing command “AT$QCRMCALL” and protocol QMAP on GobiNet or QMI_WWAN driver in Chapter 5.4 and 5.6 as well as 1.5 1.6 1.7 2017-05-24 Kent XU 1.8 2017-09-01 Kent XU 2.0 2019-12-11 Carl YIN LTE&5G_Linux_USB_Driver_User_Guide 2 / 38

LTE/5G Module Series LTE&5G Linux USB Driver User Guide testing MBIM driver in Chapter 5.5. 5. Added FAQs in Chapter 6. LTE&5G_Linux_USB_Driver_User_Guide 3 / 38

LTE/5G Module Series LTE&5G Linux USB Driver User Guide Contents About the Document ................................................................................................................................... 2 Contents ....................................................................................................................................................... 4 Table Index ................................................................................................................................................... 6 Figure Index ................................................................................................................................................. 7 1 Introduction .......................................................................................................................................... 8 1.1. Applicable Modules ................................................................................................................... 8 2 Overview of Linux USB Driver ............................................................................................................ 9 3 System Setup ..................................................................................................................................... 11 3.1. Linux USB Driver Structure ..................................................................................................... 11 3.2. USB Serial Option Driver ......................................................................................................... 12 3.2.1. Add VID and PID ............................................................................................................ 12 3.2.2. Add the Zero Packet Mechanism ................................................................................... 13 3.2.3. Add Reset-resume Mechanism ...................................................................................... 14 3.2.4. Increase the Quantity and Capacity of the Bulk Out URBs ........................................... 15 3.2.5. Use MBIM, GobiNet or QMI_WWAN Driver .................................................................. 15 3.2.6. Modify Kernel Configuration ........................................................................................... 16 3.3. GobiNet Driver ......................................................................................................................... 17 3.3.1. Modify Source Codes of the Driver ................................................................................ 17 3.3.2. Modify Kernel Configuration ........................................................................................... 17 3.4. QMI_WWAN Driver .................................................................................................................. 18 3.4.1. Modify Source Codes of the Driver ................................................................................ 18 3.4.2. Modify Kernel Configuration ........................................................................................... 19 3.5. Configure Kernel to Support PPP ............................................................................................ 20 3.6. Install and Load Driver as a Kernel Module for PC in Linux ................................................... 21 4 Test the Module .................................................................................................................................. 23 4.1. 4.2. 4.3. 4.4. 4.5. 4.6. Test AT Function ...................................................................................................................... 23 Test PPP Function ................................................................................................................... 23 Test GobiNet/QMI_WWAN Driver ............................................................................................ 26 Test "AT$QCRMCALL" on GobiNet/QMI_WWAN Driver ........................................................ 29 Test MBIM Driver ..................................................................................................................... 30 Test QMAP on GobiNet/QMI_WWAN Driver ........................................................................... 32 5 Power Management ........................................................................................................................... 33 5.1. 5.2. Enable USB Auto Suspend...................................................................................................... 33 Enable USB Remote Wakeup ................................................................................................. 34 6 FAQs and Kernel Log ........................................................................................................................ 35 6.1. How to Check Whether USB Driver Exists in the Module ....................................................... 35 6.2. How to Check Whether the Module Works Well with the Corresponding USB Driver............ 35 6.3. How to Check Which USB Driver Has Been Installed ............................................................ 36 LTE&5G_Linux_USB_Driver_User_Guide 4 / 38

LTE/5G Module Series LTE&5G Linux USB Driver User Guide 7 Appendix A References ..................................................................................................................... 38 LTE&5G_Linux_USB_Driver_User_Guide 5 / 38

LTE/5G Module Series LTE&5G Linux USB Driver User Guide Table Index TABLE 1: APPLICABLE MODULES .................................................................................................................... 8 TABLE 2: DESCRIPTION OF USB DRIVER INTERFACE IN LINUX OPERATING SYSTEM ........................... 9 TABLE 3: DESCRIPTION OF QUECTEL-CM ARGUMENTS ........................................................................... 27 TABLE 4: USB NETWORK TYPE ..................................................................................................................... 31 TABLE 5: TERMS AND ABBREVIATIONS ........................................................................................................ 38 LTE&5G_Linux_USB_Driver_User_Guide 6 / 38

LTE/5G Module Series LTE&5G Linux USB Driver User Guide Figure Index FIGURE 1: LINUX USB DRIVER STRUCTURE ................................................................................................ 11 FIGURE 2: CONFIGURE USB SERIAL IN KERNEL ........................................................................................ 17 FIGURE 3: CONFIGURE QMI_WWAN DRIVER IN KERNEL .......................................................................... 20 FIGURE 4: CONFIGURE PPP IN KERNEL ...................................................................................................... 21 FIGURE 5: AT COMMAND TEST RESULT ....................................................................................................... 23 FIGURE 6: USB SERIAL OPTION AND GOBINET FOR RG500Q .................................................................. 36 FIGURE 7: USB SERIAL OPTION AND QMI_WWAN FOR RG500Q .............................................................. 36 FIGURE 8: USB INTERFACE AND DRIVER FOR RG500Q ............................................................................ 37 LTE&5G_Linux_USB_Driver_User_Guide 7 / 38

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