FreeBSD 14.0-RELEASE and Raspberry Pi CM4 4GB

I recently purchased a RPI CM4 with 4GB and 32GB eMMC to replace my aging FreeBSD firewall. I managed to install FreeBSD 14.0-RELEASE-p3 on it, and both Ethernet devices (genet0 and ue0) were properly identified. However, network throughput on my gigabit network is pretty bad; iperf3 reports a maximum transfer speed of 291 Mbits/sec. Flashing OpenWRT on the same hardware using the same ethernet port, I'm able to achieve 923 Mbits/sec.

Does anyone have any suggestions on how to improve throughput under FreeBSD? I'd really rather not run Linux on it if I can avoid it. Thank you!
 
I have bookmarked a conversation on the forums about FreeBSD on RPi5.
In it was an assortment of links. Maybe this will help point you in a better direction.

Maybe others from that thread can help.
 
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