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Johnathan Corgan ac82e61c77 Set UDP socket buffer sizes to prevent receive overflow

Under high-throughput forwarding, the kernel default 212KB receive
buffer overflows, silently dropping ~11% of UDP datagrams at transit
nodes. Add configurable recv_buf_size and send_buf_size to UdpConfig
(default 2MB each) using socket2 for pre-bind buffer configuration.
Startup log now reports actual buffer sizes granted by the kernel.

Requires net.core.rmem_max >= 2097152 on the host for the full 2MB
to take effect; otherwise the kernel silently clamps.

2026-02-19 05:51:36 +00:00

benches

Bloom module test coverage, benchmarks, and design doc corrections

2026-02-15 16:05:59 +00:00

docs

FSP wire format revision and session-layer MMP implementation

2026-02-19 03:15:05 +00:00

examples/docker-network

FLP wire format revision and MMP link-layer measurement protocol

2026-02-18 21:54:21 +00:00

src

Set UDP socket buffer sizes to prevent receive overflow