forked from logan/dotfiles
58 lines
1.3 KiB
Bash
58 lines
1.3 KiB
Bash
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#!/bin/bash
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set -e
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# Get the default route
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default_route=$(ip route | grep default)
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# Extract the NIC interface name
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nic=$(echo $default_route | awk '{print $5}')
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# Get current link speed of interface
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link_speed=$(ethtool $nic 2>/dev/null | grep "Speed:" | awk '{print $2}')
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# Get the PCI ID for the NIC interface
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pci_id=$(ethtool -i $nic 2>/dev/null | grep bus-info | awk '{print $2}')
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# Extract speed and unit
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speed_value=$(echo $link_speed | sed 's/[A-Za-z\/]*//g')
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speed_unit=$(echo $link_speed | sed 's/[0-9]*//g')
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# Convert speed to a human-readable format
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case $speed_unit in
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"Mb/s")
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if [ $speed_value -ge 1000 ]; then
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speed_value=$(bc <<< "scale=1; $speed_value/1000")
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speed_unit="Gb/s"
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fi
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;;
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"Gb/s")
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# If you need to handle more units, you can extend here
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;;
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*)
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#echo "Unknown speed unit: $speed_unit"
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speed_value=""
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speed_unit=""
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;;
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esac
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# Check if PCI ID is found
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if [ -z "$pci_id" ]; then
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#echo "PCI ID not found for interface: $nic"
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exit 1
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else
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# Get the human-readable name of the device
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device_name=$(lspci -s $pci_id | cut -d ' ' -f 4-)
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fi
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# Hee Hoo jank :)
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if [[ ! -z $speed_value && ! -z $speed_unit ]]; then
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speed_value="[${speed_value}"
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speed_unit="${speed_unit}]"
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else
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speed_value=""
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speed_unit=""
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fi
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echo "$device_name" "${speed_value} ${speed_unit}"
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