#!/bin/sh /etc/rc.common

START=50

ad100base_ctrl() { # <dev> <port> <0|1>
	local val=0

	swconfig dev $1 set phy $2

	# Auto-Negotiation Advertisement
	# 4.7 100BASE-TX
	# 4.8 100BASE-TX full duplex
	swconfig dev $1 set reg 4
	val=$(swconfig dev $1 get val)
	swconfig dev $1 set val $((val^(-$3^val)&0x180))

	# 0.9 Restart Auto-Negotiation
	swconfig dev $1 set reg 0
	val=$(swconfig dev $1 get val)
	swconfig dev $1 set val $((val^(-1^val)&0x200))
}

start() {
	local port=0

	for port in $(seq 0 3)
		do ad100base_ctrl eth0 $port 0
		logger -t switch disabled Auto-Negotiation Advertisement for 100BASE-TX on port $port
	done
}

stop() {
	local port=0

	for port in $(seq 0 3)
		do ad100base_ctrl eth0 $port 1
		logger -t switch enabled Auto-Negotiation Advertisement for 100BASE-TX on port $port
	done
}