U602L Linux Integration Guide
Contents
1. define NOVATELWIRELESS PRODUCT ENTERPRISE U620L 0x9022 d Find static const struct usb device id option ids structure and add USB DEVICE AND INTERFACE INFO NOVATELWIRELESS VENDOR ID NOVATELWIRELESS PRODUCT ENTERPRISE U620L Oxff 0x0 0x0 3 Generate the option ko driver a Copy the modified option c and unmodified original usb wwan h files to usr src linux headers 3 16 0 x generic drivers usb serial b Change the directory cd lib modules 3 16 0 x generic c Make sure the build folder under lib modules 3 16 0 x generic points to usr src linux headers 3 16 0 x generic Ifnot create a link from the build to usr src linux headers 3 16 0 x generic d Changethe directory cd lib modules 3 16 0 x generic build drivers usb serial U620L Linux Integration Guide 8 e Savethe original Makefile and create anew Makefile that contains the only rule for option o obj m option o f Change the directory cd lib modules 3 16 0 x generic build g Build the driver by issuing the following command sudo make C lib modules 3 16 0 x generic build M usr src linux headers 3 16 0 x generic drivers usb serial Add or replace option ko in system modules directory a Check if option ko is loaded by issuing the following command lsmod grep option ko b Ifthe output shows2. MiFi 4G LTE Global USB Modem U620L veri on Linux Integration Guide Version 1 0 NOVATEL WIRELESS July10 2015 NOVATEL WIRELESS COPYRIGHT STATEMENT 2015 Novatel Wireless Inc Allrights reserved The information contained in this document is subject to change without notice and should not be construed as acommitment by Novatel Wireless Inc NOVATEL WIRELESS TRADEMARKS AND SERVICE MARKS Novatel Wireless is a trademark of Novatel Wireless Inc and the other trademarks logos and service marks collectively the Trademarks used in this user manual are the property of Novatel Wireless or their respective owners Nothing contained in this user manual should be construed as granting by implication estoppel or otherwise a license or right of use of Novatel Wireless or any other Trademark displayed in this user manual without the written permission of Novatel Wireless or its respective owners Novatel Wireless and the Novatel Wireless logo are all trademarks of Novatel Wireless Inc MiFi and the MiFi logo are registered trademarks of Novatel Wireless Inc General Disclaimer TERMS OF USE OF NEW MATERIALS PLEASE READ CAREFULLY From time to time Novatel Wireless in its sole discretion may make available for download on its website www novatelwireless com or may transmit via mail or email updates or upgrades to or new releases of the firmware software or documentation for its products collectively
3. Enterprise Mode Enumerating CDC ECM Modem Interfaces Introduction Overview Prerequisites Known Issues Overview The MiFi U620L implements the Remote Network Driver Interface Specification RNDIS network interface based on Microsoft RNDIS 6 0 Although this integration may not be supported in the Linux environment the MiFi U620L does support Linux configurations This guide outlines the basic information needed to successfully integrate the MiFi U620L into a Linux platform The two main sections in the guide are e _ End User Mode Enumerating CDC ECM interface In this mode the device is used for a WWAN connection to the Internet for such activities as browsing or connecting to a VPN e Enterprise Mode Enumerating CDC ECM and Modem interfaces Optional In this mode the Modem interface allows users to send AT commands to the device to configure query or manage the Internet connection NOTE The information included in this guide is based on Ubuntu running a Kernel version 3 16 0 30 generic and these instructions can be extended to other kernel versions with no or minimum changes as appropriate U620L Linux Integration Guide Prerequisites The following items are prerequisites for the Linux integrations e usb_modeswitch Utility used for switching USB configurations This utility should be installed on the Linux machine NOTE An Internet connection is required for this installation To install the utilit
4. New Materials Use ofsuch New Materials is subject to the terms and conditions set forth below and may be subject to additionalterms and conditions as set forth in Novatel Wireless s Technical Support Policy posted on its website and or any written agreement between the user and Novatel Wireless All New Materials are provided AS IS Novatel Wireless makes no warranty or representation with respect to the merchantability suitability functionality accuracy or completeness of any such New Materials The user of such New Materials assumes all risk known or unknown of such use Novatel Wireless reserves all rights in such New Materials The user shall have only a revocable and limited license to use such New Materials in connection with the products for which they are intended Distribution or modification of any New Materials without Novatel Wireless s consent is strictly prohibited IN NO EVENT WILL NOVATEL WIRELESS BE RESPONSIBLE FOR ANY INCIDENTAL INDIRECT CONSEQUENTIAL OR SPECIAL DAMAGES AS A RESULT OF THE USE OF ANY NEW MATERIALS NOVATEL WIRELESS S MAXIMUM LIABILITY FOR ANY CLAIM BASED ON THE NEW MATERIALS SHALL NOT EXCEED FIFTY U S DOLLARS 50 Version Verification To ensure you have the latest version of this document visit the Novatel Wireless loT Technical Documentation site at documentation nvtl com Contents Introduction 8 772 01 ssa as E Ei SE aa ato ba RS a SED REA qa DE E DO DS Prerequisites Known Issues
5. option loaded then remove or unload it by issuing the following command sudo modprobe r option c Copy the build by issuing the following command sudo cp usr src linux headers 3 16 0 x generic drivers usb serial option ko lib modules 3 16 0 x generic kernel drivers usb serial d Deploy the build by issuing the following command sudo depmod a To enable the Modem Interface 1 Verify that your device is in End User Mode by issuing the following command lsusb If the device is in End User Mode the response is ID 1410 9020 Novatel Wireless If the device is in End User Mode uninstall the RNDIS driver by issuing the following command sudo rmmod rndis host Switch the device to Enterprise Mode configuration by issuing the following command sudo usb modeswitch v 0x1410 p 0x9020 u 4 U620L Linux Integration Guide NOTE Wait a few minutes for the device to switch to Enterprise Mode and then verify again that your device is in Enterprise Mode by issuing the following command lsusb If the device is in Enterprise Mode the response is ID 1410 9022 Novatel Wireless Once these steps are complete the CDC ECM interface is enabled on the device and the device expects a DHCP Request from the Linux server Initiate the DHCP Request to the U620L to get the WWAN IP Addresses assigned to Linux by issuing the following command sudo dhclient ethl NOTE Replace eth1 with the appropriate Ethernet
6. CDC ECM configuration by issuing the following command sudo usb modeswitch v 0x1410 p 0x9020 u 2 Once these steps are complete the CDC ECM interface is enabled on the device and the device expects a DHCP Request from the Linux server Initiate the DHCP Request to the U620L to get the WWAN IP Addresses assigned to Linux by issuing the following command sudo dhclient ethl NOTE Replace eth1 with the appropriate Ethernet interface enumeration on your setup Enterprise Mode Enumerating CDC ECM Modem Interfaces Enumerating CDC ECM Modem Interfaces To add support for the MiFi U620L you must modify the kernel source on your Linux server by adding the Vendor ID VID and Product ID PID ofthe MiFi U620L NOTE The following instructions assume that your kernel version is 3 16 0 x generic To verify the kernel version run the command uname r To modify the kernel source 1 Download the Linux distribution specific kernel sources with patches into your working directory by issuing the following command sudo apt get source linux image uname r NOTE You can find files option c and usb wwan h under Linux lt distro gt 3 16 0 drivers usb serial 2 Modify the option c file a Optional Back up the original option c file b Optional Add define DRIVER VERSION v0 7 2 xx to differentiate from the official version c Underthe NOVATEL WIRELESS PRODUCTS section add
7. interface enumeration on your setup Verify that option ko is loaded by issuing the following command lsmod grep option If it is already loaded skip to step 8 If the option ko driver is not loaded follow these steps to load the driver a Load the USB serial driver module with the VID and PID parameters corresponding to the MiFi U620L by issuing the following command sudo modprobe usbserial vendor 0x1410 product 0x9022 b If necessary load usb wwan by issuing the following command NOTE This is applicable in case the kernel version is later than 3 xx since option c uses functions from the usb_wwan module sudo insmod usb wwan ko c Load the option driver by issuing the following command sudo insmod option ko Check for the Novatel Modem ports by issuing the following command ls 1 dev ttyUSB The modem port should be dev ttyUSBO You can use PuTTY or a similar tool to open the modem port and use the AT commands U620L Linux Integration Guide 10
8. y gt Enter the following command sudo apt get install usb_modeswitch e Linux Kernel source files Files required to enable the MiFi U620L to enumerate the Modem interface Download the files from this site https www kernel org U620L Linux Integration Guide 3 Known Issues The usb_modeswitch utility has crashed on some Linux distributions presenting the following error message amp gt System program problem detected Do you want to report the problem now Cancel Report problem Despite receiving this message the Ethernet Interface gets enumerated correctly and the laptop gets an IP address from the device This is a tool related issue and you can safely ignore this error U620L Linux Integration Guide 4 End User Mode Enumerating CDC ECM Interface Enumerating CDC ECM Interface By default the MiFi U620L device is in End User Mode This means that only the RNDIS configuration is exposed For the device to get aWWAN IP Address assignment you must switch the configuration to CDC ECM To switch the configuration and initiate the DHCP request 1 U620L Linux Integration Guide Verify that your device is in End User Mode by issuing the following command lsusb If the device is in End User Mode the response is ID 1410 9020 Novatel Wireless If the device is in End User Mode uninstall the RNDIS driver by issuing the following command sudo rmmod rndis host Switch the device to
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