Chandramohan Akula developed BNXT-R WR API support and improved PSN/MSN handling in the amzn/rdma-core repository, focusing on expanding RDMA capabilities for high-throughput workloads. He reorganized queue pair creation to enable WR API integration and implemented WR send operations, including RDMA write, read, and atomic functions, using C and low-level network programming techniques. His work also enhanced the correctness of PSN/MSN management across various queue types and packet lengths, addressing reliability and maintainability. By refactoring bnxt_re/lib components, Chandramohan streamlined future development and improved production readiness, demonstrating depth in driver development and network protocol implementation within a complex codebase.