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RX FIFO overflow is almost inevitable since the (usable) USB2 bus bandwidth is approximately one quarter of the Ethernet bandwidth. Avoid flooding the console with RX FIFO overflow messages in a standard debug build. With TCP SACK implemented, the RX FIFO overflow no longer causes a catastrophic drop in throughput. Experimentation shows that HTTP downloads now progress at a fairly smooth 250Mbps, which is around the maximum speed attainable for a USB2 NIC. Signed-off-by: Michael Brown <mcb30@ipxe.org>
iPXE README File Quick start guide: cd src make For any more detailed instructions, see http://ipxe.org