rdma-core/SOURCES/ibdev2netdev

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#! /bin/bash
usage()
{
echo "$(basename $0) <options>"
echo "-h, --help print help message"
echo "-v, --verbose print more info"
}
case $1 in
"-h" | "--help")
usage
exit 0
;;
esac
if (( $# > 1 )); then
usage
exit -1
fi
if (( $# == 1 )) && [ "$1" != "-v" ]; then
usage
exit -1
fi
ibdevs=$(ls /sys/class/infiniband/)
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devs=''
for netdev in $(/bin/ls /sys/class/net/); do
if [ -e /sys/class/net/${netdev}/device/infiniband ]; then
devs="${devs} ${netdev}"
fi
done
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if [ "x$devs" == "x" ]; then
# no relevant devices - quit immediately
exit
fi
for d in $devs; do
if [ -f /sys/class/net/$d/dev_id ]; then
oldstyle=n
break
fi
done
function print_line()
{
echo "$1 port $2 <===> $3"
}
function find_guid()
{
ibdevs=$(ls /sys/class/infiniband/)
for ibdev in $ibdevs; do
ports=$(ls /sys/class/infiniband/$ibdev/ports/)
for port in $ports; do
gids=$(ls /sys/class/infiniband/$ibdev/ports/$port/gids)
for gid in $gids; do
pguid=$(cat /sys/class/infiniband/$ibdev/ports/$port/gids/$gid | cut -b 21- | sed -e 's/://g')
if [ x$pguid == x$1 ]; then
print_line $ibdev $port $2
fi
done
done
done
}
function find_mac()
{
ibdevs=$(ls /sys/class/infiniband/)
for ibdev in $ibdevs; do
type=$(cat /sys/class/infiniband/$ibdev/node_type|cut -d ' ' -f 2)
ports=$(ls /sys/class/infiniband/$ibdev/ports/)
for port in $ports; do
gids=$(ls /sys/class/infiniband/$ibdev/ports/$port/gids)
for gid in $gids; do
if [[ "$type" = "RNIC" ]]; then
pmac=$(cat /sys/class/infiniband/$ibdev/ports/$port/gids/$gid | cut -b 1-14|sed -e 's/://g')
else
first=$(cat /sys/class/infiniband/$ibdev/ports/$port/gids/$gid | cut -b 21-22)
first=$(( first ^ 2 ))
first=$(printf "%02x" $first)
second=$(cat /sys/class/infiniband/$ibdev/ports/$port/gids/$gid | cut -b 21- | sed -e 's/://g' | cut -b 3-6)
third=$(cat /sys/class/infiniband/$ibdev/ports/$port/gids/$gid | cut -b 21- | sed -e 's/://g' | cut -b 11-)
pmac=$first$second$third
fi
if [ x$pmac == x$1 ]; then
print_line $ibdev $port $2
fi
done
done
done
}
if [ "x$oldstyle" == "xn" ]; then
for d in $ibdevs; do
ibrsc=$(cat /sys/class/infiniband/$d/device/resource)
eths=$(ls /sys/class/net/)
for eth in $eths; do
filepath_resource=/sys/class/net/$eth/device/resource
if [ -f $filepath_resource ]; then
ethrsc=$(cat $filepath_resource)
if [ "x$ethrsc" == "x$ibrsc" ]; then
filepath_devid=/sys/class/net/$eth/dev_id
filepath_devport=/sys/class/net/$eth/dev_port
if [ -f $filepath_devid ]; then
port1=0
if [ -f $filepath_devport ]; then
port1=$(cat $filepath_devport)
port1=$(printf "%d" $port1)
fi
port=$(cat $filepath_devid)
port=$(printf "%d" $port)
if [ $port1 -gt $port ]; then
port=$port1
fi
port=$(( port + 1 ))
filepath_carrier=/sys/class/net/$eth/carrier
if [ -f $filepath_carrier ]; then
link_state=$(cat $filepath_carrier 2> /dev/null)
if (( link_state == 1 )); then
link_state="Up"
else
link_state="Down"
fi
else
link_state="NA"
fi
if [ "$1" == "-v" ]; then
filepath_portstate=/sys/class/infiniband/$d/ports/$port/state
filepath_deviceid=/sys/class/infiniband/$d/device/device
filepath_fwver=/sys/class/infiniband/$d/fw_ver
filepath_vpd=/sys/class/infiniband/$d/device/vpd
# read port state
if [ -f $filepath_portstate ]; then
ibstate=$(printf "%-6s" "$(cat $filepath_portstate | gawk '{print $2}')")
else
ibstate="na"
fi
# read device
if [ -f $filepath_deviceid ]; then
devid=$(printf "mt%d" "$(cat $filepath_deviceid)")
else
devid="na"
fi
# read fw version
if [ -f $filepath_fwver ]; then
fwver=$(cat $filepath_fwver)
else
fwver="na"
fi
# read device description and part id from the vpd
if [ -f $filepath_vpd ]; then
tmp=$ifs
ifs=":"
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vpd_content=`cat $filepath_vpd | tr -d '\0'`
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devdesc=$(printf "%-15s" "$(echo $vpd_content | strings | head -1)")
partid=$(printf "%-11s" "$(echo $vpd_content | strings | head -4 | tail -1 | gawk '{print $1}')")
ifs=$tmp
else
devdesc=""
partid="na"
fi
echo "$d ($devid - $partid) $devdesc fw $fwver port $port ($ibstate) ==> $eth ($link_state)"
else
echo "$d port $port ==> $eth ($link_state)"
fi
fi
fi
fi
done
done
else
##########################
### old style
##########################
ifcs=$(ifconfig -a | egrep '^eth|^ib' | gawk '{print $1}')
for ifc in $ifcs; do
len=$(cat /sys/class/net/$ifc/addr_len)
if (( len == 20 )); then
guid=$(cat /sys/class/net/$ifc/address | cut -b 37- | sed -e 's/://g')
find_guid $guid $ifc
elif (( len == 6)); then
mac=$(cat /sys/class/net/$ifc/address | sed -e 's/://g')
find_mac $mac $ifc
fi
done
fi