#!/bin/sh

set -e

mkdir -p /run/systemd/network

# custom names for ethernet ports (bypassing systemd's predictive naming)
cat > /run/systemd/network/30-eth0.link <<EOF
[Match]
Path=platform-f1070000.ethernet
[Link]
Name=eth0
EOF

cat > /run/systemd/network/30-eth1.link <<EOF
[Match]
Path=platform-f1030000.ethernet
[Link]
Name=eth1
EOF

# custom names for OSC channels
if grep -q '\<czechlight=sdn-roadm-line.*\>' /proc/cmdline; then
	ETH2_NAME=osc
elif grep -q '\<czechlight=sdn-inline.*\>' /proc/cmdline; then
	ETH2_NAME=oscW
	ETH3_NAME=oscE
	ETH4_NAME=sfp3
else
	ETH2_NAME=eth2
fi

if [[ -n "${ETH2_NAME+set}" ]] ; then
	cat > /run/systemd/network/30-eth2.link <<EOF
[Match]
Path=platform-f1034000.ethernet
[Link]
Name=${ETH2_NAME}
EOF
fi

if [[ -n "${ETH3_NAME+set}" ]]; then
	cat > /run/systemd/network/30-eth3.link <<EOF
[Match]
Path=platform-soc:pcie-pci-0000:01:00.0
[Link]
Name=${ETH3_NAME}
EOF
fi

if [[ -n "${ETH4_NAME+set}" ]]; then
	cat > /run/systemd/network/30-eth4.link <<EOF
[Match]
Path=platform-soc:pcie-pci-0000:01:00.1
[Link]
Name=${ETH4_NAME}
EOF
fi