facebook/fboss
Jan 2026 – Jun 2026
5 Months active
Languages Used
C++Python
Technical Skills
C++ developmenthardware abstractionnetwork programmingtestinghardware testingrouting protocols
Gang Tao
PROFILE
Gang Tao
Worked on the facebook/fboss repository to enhance multi-NPU networking platforms, focusing on stability, reliability, and platform onboarding. Delivered new platform mapping and configuration for Leh800bcls, integrating it with the FBOSS Forwarding Stack using C++ and CMake, and validated 400G hardware workflows. Addressed critical bugs in neighbor resolution, VLAN interface discovery, and BER calculation, improving test reliability and reducing operational incidents. Improved multi-NPU test infrastructure and firmware compatibility for Leh800bcls and Ladakh800bcls, aligning with SDK 4.1. Emphasized robust testing, debugging, and CI hygiene, ensuring scalable, production-ready deployments and consistent hardware-software integration across complex datacenter environments.
Overall Statistics
Feature vs Bugs
38%Features
Repository Contributions
12Total
Bugs
5
Commits
12
Features
3
Lines of code
585,167
Activity Months5
Your Network
305 peopleShared Repositories
287
Salman Muin Kayser ChishtiMember
Arjun ChaturvediMember
Adam CalabrigoMember
Alex EckertMember
Alan FrindellMember
Ashutosh GrewalMember
Anurag GumidelliMember
Alex HornbyMember
aalamsi22Member
Work History
June 2026
5 Commits • 2 Features
Jun 1, 2026June 2026 FBOSS monthly performance summary. Focused on enabling and stabilizing multi-NPU test workflows and aligning platform mapping and firmware to SDK 4.1 across Leh800bcls and Ladakh800bcls. Deliverables include multi-NPU test infra improvements, platform mapping alignments, and firmware/version compatibility updates that reduce test timeouts, eliminate per-NPU configuration gaps, and improve cross-NPU test parity.
5 Commits • 2 Features
Jun 1, 2026June 2026 FBOSS monthly performance summary. Focused on enabling and stabilizing multi-NPU test workflows and aligning platform mapping and firmware to SDK 4.1 across Leh800bcls and Ladakh800bcls. Deliverables include multi-NPU test infra improvements, platform mapping alignments, and firmware/version compatibility updates that reduce test timeouts, eliminate per-NPU configuration gaps, and improve cross-NPU test parity.
June 2026
May 2026
1 Commits • 1 Features
May 1, 2026May 2026 monthly summary for facebook/fboss focusing on feature delivery, bug fixes, impact, and skills demonstrated. Key features delivered: - Leh800bcls Platform Mapping and FBOSS Integration: Added platform mapping configuration and CSV files for the Leh800bcls platform to support the FBOSS Forwarding Stack; created new C++ platform-mapping files and updated build configurations to integrate the new platform. Major bugs fixed / CI improvements: - Addressed code quality and CI gating issues to enable smooth PR landings: resolved linting/ruff-related checks and aligned with pre-submission checks; early feedback loop reduced CI noise for platform onboarding work. Overall impact and accomplishments: - Accelerated platform onboarding for a new 400G-capable platform (Leh800bcls) within FBOSS, enabling production-ready configuration and validation pathways. - End-to-end validation in 400G mode demonstrating stability: test plan validated (fboss_hw_agent/sai_agent_hw_test binaries with SAI 14.0/14.2; multi-switch T0 tests for NPU0/NPU1; 466 ports observed up). - Clear alignment with existing design patterns (Ladakh800bcls) to ensure consistency and scalability across platform mappings. Technologies/skills demonstrated: - C++ platform-mapping development, build configuration, and integration with FBOSS Forwarding Stack. - 400G configuration validation, SAI version compatibility (14.0/14.2), and hardware-software integration testing. - CI hygiene, pre-commit, linting, and Ruff checks to ensure code quality and maintainability. Note: PR referenced D105336420; review by Jasmeet Bagga; changes pulled/landed to support next onboarding phase.
May 2026
1 Commits • 1 Features
May 1, 2026May 2026 monthly summary for facebook/fboss focusing on feature delivery, bug fixes, impact, and skills demonstrated. Key features delivered: - Leh800bcls Platform Mapping and FBOSS Integration: Added platform mapping configuration and CSV files for the Leh800bcls platform to support the FBOSS Forwarding Stack; created new C++ platform-mapping files and updated build configurations to integrate the new platform. Major bugs fixed / CI improvements: - Addressed code quality and CI gating issues to enable smooth PR landings: resolved linting/ruff-related checks and aligned with pre-submission checks; early feedback loop reduced CI noise for platform onboarding work. Overall impact and accomplishments: - Accelerated platform onboarding for a new 400G-capable platform (Leh800bcls) within FBOSS, enabling production-ready configuration and validation pathways. - End-to-end validation in 400G mode demonstrating stability: test plan validated (fboss_hw_agent/sai_agent_hw_test binaries with SAI 14.0/14.2; multi-switch T0 tests for NPU0/NPU1; 466 ports observed up). - Clear alignment with existing design patterns (Ladakh800bcls) to ensure consistency and scalability across platform mappings. Technologies/skills demonstrated: - C++ platform-mapping development, build configuration, and integration with FBOSS Forwarding Stack. - 400G configuration validation, SAI version compatibility (14.0/14.2), and hardware-software integration testing. - CI hygiene, pre-commit, linting, and Ruff checks to ensure code quality and maintainability. Note: PR referenced D105336420; review by Jasmeet Bagga; changes pulled/landed to support next onboarding phase.
March 2026
1 Commits
Mar 1, 2026March 2026 monthly summary for fboss development focusing on reliability and correctness of BER metrics in PRBS sanity tests. Major effort centered on fixing a critical overflow bug in BER calculation, stabilizing the Prbs_ASIC_P31_TO_ASIC_P31.prbsSanity test, and validating the fix through a merged PR with comprehensive test results. This work reduces flaky test outcomes and strengthens hardware quality assessments.
1 Commits
Mar 1, 2026March 2026 monthly summary for fboss development focusing on reliability and correctness of BER metrics in PRBS sanity tests. Major effort centered on fixing a critical overflow bug in BER calculation, stabilizing the Prbs_ASIC_P31_TO_ASIC_P31.prbsSanity test, and validating the fix through a merged PR with comprehensive test results. This work reduces flaky test outcomes and strengthens hardware quality assessments.
March 2026
February 2026
3 Commits
Feb 1, 2026February 2026 monthly summary for facebook/fboss. Focused on stability and reliability improvements for multi-NPU deployments, prioritizing robust port-state handling, test harness reliability, and resilient route management. Implemented targeted bug fixes and performance tweaks to reduce state flapping, ensure correct test contexts, and prevent abnormal exits in routing when non-connected routes exist.
February 2026
3 Commits
Feb 1, 2026February 2026 monthly summary for facebook/fboss. Focused on stability and reliability improvements for multi-NPU deployments, prioritizing robust port-state handling, test harness reliability, and resilient route management. Implemented targeted bug fixes and performance tweaks to reduce state flapping, ensure correct test contexts, and prevent abnormal exits in routing when non-connected routes exist.
January 2026
2 Commits
Jan 1, 2026January 2026: fboss delivered critical stability and correctness improvements for multi-NPU deployments. Implemented fixes for neighbor resolution stability and VLAN interface discovery across switches, and resolved a VLAN interface lookup exception impacting MAC learning flows. Validated with targeted tests and multi-switch hardware scenarios, reducing field incidents and improving reliability for large-scale datacenter networks.
2 Commits
Jan 1, 2026January 2026: fboss delivered critical stability and correctness improvements for multi-NPU deployments. Implemented fixes for neighbor resolution stability and VLAN interface discovery across switches, and resolved a VLAN interface lookup exception impacting MAC learning flows. Validated with targeted tests and multi-switch hardware scenarios, reducing field incidents and improving reliability for large-scale datacenter networks.
January 2026
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Quality Metrics
Correctness93.4%
Maintainability81.6%
Architecture86.6%
Performance81.6%
AI Usage23.4%
Skills & Technologies
Programming Languages
C++Python
Technical Skills
C++C++ developmentC++ programmingCMakeNetworkingPlatform Developmentdebuggingembedded systemsfirmware developmenthardware abstractionhardware testingnetwork programmingnetworkingnetworking protocolsrouting protocols
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