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Looking for Work Bypasses the Linux network stack entirely via native eBPF driver hooks and POSIX shared memory ring buffers. Architectural Breakthrough: mlx5_core Native Attachment Mellanox mlx5 drivers enforce strict validation rules on UMEM memory alignment, ring sizing, and BPF dispatcher attachments.

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• Bypasses the Linux network stack entirely via native eBPF driver hooks and POSIX shared memory ring buffers.
• Architectural Breakthrough: mlx5_core Native Attachment Mellanox mlx5 drivers enforce strict validation rules on UMEM memory alignment, ring sizing, and BPF dispatcher attachments.
• To maintain sub-microsecond processing without falling back to generic SKB mode, the engine implements a hybrid attachment paradigm: Native Driver Loading: The eBPF program ( sovereign_ebpf.o ) is attached natively to the NIC via bpf_xdp_attach() in hardware driver mode ( XDP_FLAGS_DRV_MODE ).
• Program Load Inhibition: The AF_XDP socket is created via libxdp with the explicit XSK_LIBXDP_FLAGS_INHIBIT_PROG_LOAD bit flag set.
• UMEM Direct Mapping: libxdp negotiates queue ring structures directly with mlx5_core while strictly blocked from overwriting the pre-attached native eBPF hook.
• Telemetry & Benchmark Baselines Metric Measured Baseline Target Peak Event Throughput > 133,000 events / sec 250,000 events / sec Sustained Load Run > 3.35M events / 75 seconds Continuous Line-Rate Memory Allocation Zero-copy page-aligned UMEM Zero-copy Attachment Mode Native Driver ( mlx5 ) Native Driver Current Status [x] Native Driver Attachment: Bypassed mlx5_core validation rejections.