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Gleb Pesin

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Gleb Pesin

Worked on the DragonBluep/openwrt repository to address a hardware limitation affecting jumbo frame support on MT7620-based devices. Focused on correcting the MAX_RX_PKT_LEN register configuration, which previously restricted jumbo frames to 1552 bytes, the developer updated the value to enable true 2 KiB jumbo frames. This change was validated through hardware testing on the ZBT-WE826 platform, confirming improved packet handling and throughput for large IPv4 packets. The work involved low-level C programming, embedded systems expertise, and Linux kernel patching, contributing to enhanced network reliability and performance for OpenWrt deployments using the ramips/mt7620 architecture.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

1Total
Bugs
1
Commits
1
Features
0
Lines of code
9
Activity Months1

Work History

July 2026

1 Commits

Jul 1, 2026

July 2026 monthly summary for DragonBluep/openwrt: Corrected MT7620 jumbo frame size configuration to enable 2 KiB jumbo frames by setting MAX_RX_PKT_LEN to 3, addressing a misconfiguration that previously limited jumbo frames to 1552 bytes. Validated with hardware test on ZBT-WE826 MT7620: with value 2, 1534-byte IPv4 packets passed and 1535-byte packets dropped; with value 3, 1792-byte and 1800-byte DF IPv4 packets pass. This work aligns with upstream fixes (Fixes: d083212e1105) and contributes to OpenWrt ramips/mt7620 stability and performance. Result: improved jumbo-frame reliability and throughput for MT7620 deployments, reducing fragmentation of large packets and smoothing high-MPS traffic.

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture80.0%
Performance80.0%
AI Usage60.0%

Skills & Technologies

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Technical Skills

CEmbedded SystemsLinux KernelNetworking

Repositories Contributed To

1 repo

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DragonBluep/openwrt

Jul 2026 Jul 2026
1 Month active

Languages Used

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Technical Skills

CEmbedded SystemsLinux KernelNetworking