Feb 2023 – Aug 2023 · 6 mos · Bengaluru, Karnataka, India · On-site

• A very short stint at CXL startup before it was acquired by Broadcom Inc. I was doing initial ramp-up of CXL protocol and its software support in Linux kernel(CXL/DAX drivers) along with user space tools(ndctl).

Jan 2021 – Feb 2023 · 2 yrs 1 mo · Bangalore Urban, Karnataka, India

• Development of software stack (APF/CPF/VFIO/User library) for Intel Smart-NIC/IPU (Mt Evan) for Linux (Intel/ARM) & VMWARE ESXi(x86).
• Development of IPU/SMARTNIC PF driver for VMWARE ESXi
• o VMWARE ESXi DDK and ported/developed/adapted the LCE host PF driver for ESXI platform.
• o Development/porting of Look-aside Crypto and Compression (LCE) user space library to VMWARE ESXI kernel space.
• Development/Debug features for IPU/Smart-NIC drivers & user space libraries.
• o Developed/Debugged & resolved Linux VFIO PF driver & ARM SMMU issues.
• o Development of Smart-NIC Mutli Host feature.
• o Development/Integrate Control plane and host PF driver into main line kernel using VFIO framework.
• o Develop and fix user space library to work with kernel vfio layer, this library is integrated into DPDK framework with further enhancements to develop application software development.

Mar 2016 – Jan 2021 · 4 yrs 10 mos · Bengaluru Area, India

• ● Porting/Board bring up of Evo (Wrlinux) on Juniper hardware platforms
• o Creating template & fixing DTB entries for platform devices
• o Development of flash MTD device driver for FPGA flashes hosting fpga firmware. This driver
• is used for FGPA firmware upgrade.
• o Debugging/fixing issues related to PCI, Multi-function devices, I2C & other platform devices.
• o Debugging/fixing common kernel issues related platform
• o Resiliency of SSD, PCI devices & Ethernet mac interfaces.
• o Feature development on EVO platforms in C/C++/python. Developed & enhanced Juniper
• CLI to extract PCI AER, Memory ECC statistics.
• ● Development of Features & Debugging/fixing issue on Junos OS/applications running on Juniper Router
• o Handled SSD resiliency for Juniper MX/TX routers.
• o Debugging/Fixing of platform issues.
• o Developed Linux kernel module to provide read/write access to FPGA register.
• o Developed Linux Kernel module exposing block layer latencies as sysfs attributes.
• o Developed python scripts to upgrade firmware & also integrated with Junos-EVO CLI.
• ● FIPS certification of MX routers running latest Junos releases.
• o Handled grub issues to make JUNOS for FIPS certification.

Jan 2016 – Mar 2016 · 2 mos · Bengaluru Area, India

• * Worked on BMC firmware issues

Jan 2012 – Nov 2015 · 3 yrs 10 mos · Bangalore

• Board Bringup of C-Dot AMC & Carrier Cards
• o Board bring up using Lauterbach JTAG debugger of controller & data path cards based on
• Marvell Dual and Quad core with switching fabric and Ezchip network processor.
• o Handled Debug/Develop and Build U-boot porting: Configuring DDR3(SPD/static) related
• parameters to initialize SDRAM controller and handle initialization of Ethernet/SMI/SPI/I2C
• device.
• o Upgrading the platforms to latest Linux Kernel
•  Development of device tree & ported Linux kernel onto all boards
•  Debug code module to program MARVELL ARMADAXP window Registers to enable Host
• processor access to I/O devices.
•  Developed/debugged/Integrated Ethernet(mvneta)/SPI/I2C driver with latest kernel, resolved
• issues related to PHY.
•  Debugged NAND driver & fixed access related issues.
•  Porting of PCI Lion,SPI & Nand flash,RTC,Watchdog device drivers.

Oct 2006 – Jan 2012 · 5 yrs 3 mos · Hyderabad · On-site

• Porting of Stand Alone-RTLinux (SA-RTL) on to indigenous RISC processors (ANUPAMA /ABACUS)
• used for on-board computing. Developed and Integrated 1553b driver for the platform.
• Development of 24-core Network Processor SoC

Aug 2005 – Jul 2006 · 11 mos · Bangalore

• ● Developed user space daemon to collect the data from the Beacon on RS-232 interface.
• ● Developed API's for Cricket based location aware pervasive computing in Indoor environment. Cricket hardware can send location information (BEACON) and also receive location information (listener).