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60 lines
1.9 KiB
Bash
60 lines
1.9 KiB
Bash
4 years ago
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#!/bin/sh
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# Copyright (c) 2016 Qualcomm Atheros, Inc.
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#
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# All Rights Reserved.
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# Qualcomm Atheros Confidential and Proprietary.
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ETHMON_DEBUG_OUTOUT=0
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# State information
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switch_state=''
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# Emit a message at debug level.
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# input: $1 - the message to log
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__ethmon_debug() {
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local stderr=''
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if [ "$ETHMON_DEBUG_OUTOUT" -gt 0 ]; then
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stderr='-s'
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fi
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logger $stderr -t repacd.ethmon -p user.debug "$1"
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}
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# Given switch_state from `swconfig dev switch0 show | grep "link: port:"`
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# and a port number, return the state of that port.
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__ethmon_get_port_state() {
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local switch_state="$1"
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local port=$2
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if [ -z "$switch_state" ]; then
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echo "unknown"
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return
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fi
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echo "$switch_state" | while read line; do
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local curr_port=$(echo $line | awk '{ print $2 }' | cut -d: -f2)
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if [ $port -eq $curr_port ]; then
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local link_state=$(echo $line | awk '{ print $3 }' | cut -d: -f2)
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echo $link_state
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return
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fi
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done
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}
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# Check the status of the Ethernet links (link state, speed, duplex).
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repacd_ethmon_check() {
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local new_state
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new_state=$(swconfig dev switch0 show | grep "link: port:" | grep -v "port:0")
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if [ "$new_state" != "$switch_state" ]; then
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# One or more of the switch ports have changed state
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echo "$new_state" | while read line; do
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local port=$(echo $line | awk '{ print $2 }' | cut -d: -f2)
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local new_link_state=$(echo $line | awk '{ print $3 }' | cut -d: -f2)
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local link_state=$(__ethmon_get_port_state "$switch_state" $port)
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if [ "$link_state" != "$new_link_state" ]; then
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__ethmon_debug "port $port state changed from $link_state to $new_link_state"
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(export PORT=$port; export EVENT="link"; export STATE=$new_link_state; hotplug-call switch)
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fi
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done
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switch_state="$new_state"
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fi
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}
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