iopsys-feed/ethmngr/files/linux/lib/ethernet/linux.sh

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# arg1: port ifname, ex: eth0
get_max_port_speed() {
if [ -z "$1" ]; then
echo 0
return
fi
local ifname="$1"
local phycap="$(ethtool $ifname | grep -A 10 "Supported link modes" | grep 00 | tail -n 1 | awk '{print$NF}')"
local speed=1000
case "$phycap" in
10000*) speed=10000 ;;
5000*) speed=5000 ;;
2500*) speed=2500 ;;
1000*) speed=1000 ;;
100*) speed=100 ;;
10*) speed=10 ;;
esac
echo $speed
}
# arg1: port ifname, ex: eth0
# arg2: port enabled, ex: 1
power_updown() {
local ifname="$1"
local enabled=$2
local updown="up"
[ $enabled -eq 0 ] && updown="down"
ip link set dev $ifname $updown
}
# arg1: port ifname, ex: eth0
# arg2: port enabled, ex: 1
# arg3: port speed, ex: 1000
# arg4: port duplex, ex: full
# arg5: port autoneg, ex: on
# arg6: port eee, ex: 0
# arg7: port pause, ex: 0
set_port_settings() {
local ifname="$1"
local enabled=$2
local speed="$3"
local duplex=$4
local autoneg=$5
local eee=$6
local pause=$7
[ -d /sys/class/net/$ifname ] || return
[ $autoneg -eq 1 ] && autoneg="on" || autoneg="off"
ethtool --change $ifname speed $speed duplex $duplex autoneg $autoneg
[ $eee -eq 1 ] && eee="on" || eee="off"
ethtool --set-eee $ifname eee $eee 2>/dev/null
case $pause in
off|0)
pause=0x0
auto=off
rx=off
tx=off
;;
on|1)
pause=0x2
auto=off
rx=on
tx=on
;;
auto)
pause=0x1
auto=on
rx=on
tx=on
;;
tx)
pause=0x3
auto=off
rx=off
tx=on
;;
rx)
pause=0x4
auto=off
rx=on
tx=off
;;
esac
ethtool --pause $ifname autoneg $auto rx $rx tx $tx 2>/dev/null
power_updown $ifname $enabled
}