Script to enable/disable zerocopy in FreeBSD/pfSense boxes

zerocopy.sh

#!/bin/sh
# devnull@libcrack.so
# Mon Sep  9 21:30:51 CEST 2019

case $1 in
	enable)
		echo "[*] Enabling zerocopy"
		sysctl net.bpf.zerocopy_enable=1
		exit $?
		;;
	disable)
		echo "[*] Disabling zerocopy"
		sysctl net.bpf.zerocopy_enable=0
		exit $?
		;;
	help)
		echo "$0 <enable|disable|status>"
		exit 0
		;;
	status|*)
		sysctl -a | grep net.bpf.zerocopy_enable
		exit $?
		;;
esac