116 lines
3.0 KiB
Bash
116 lines
3.0 KiB
Bash
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#!/bin/bash
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#
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# This script is used to get the BMC MAC Address from FRU EEPROM at Board Extra.
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# and if the eth address is not exist on U-boot Enviroment, this script will update it.
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#
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function Usage () {
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echo "Usage:"
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echo " ampere_update_mac.sh <ethX> <fru bus> <fru addr>"
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echo "Example:"
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echo " ampere_update_mac.sh eth1 3 80"
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}
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function read_mac_address () {
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fruBus=$1
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fruAddr=$2
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if FRU_OBJECT_PATH=$(busctl tree xyz.openbmc_project.FruDevice | grep "/xyz/openbmc_project/FruDevice/" | tr -s '\n' ' ' | tr -d "|-" | tr -d '`')
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then
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IFS=' ' read -r -a FRU_OBJ_PATH_ARR <<< "$FRU_OBJECT_PATH"
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for fruObj in "${FRU_OBJ_PATH_ARR[@]}"
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do
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BUS_IDX_RW=$(busctl get-property xyz.openbmc_project.FruDevice "$fruObj" xyz.openbmc_project.FruDevice BUS)
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BUS_ADDR_RW=$(busctl get-property xyz.openbmc_project.FruDevice "$fruObj" xyz.openbmc_project.FruDevice ADDRESS)
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if [ -z "$BUS_IDX_RW" ] || [ -z "$BUS_IDX_RW" ]; then
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continue
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else
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BUS_IDX_CV=$(echo "$BUS_IDX_RW" | cut -d " " -f 2)
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BUS_ADDR_CV=$(echo "$BUS_ADDR_RW" | cut -d " " -f 2)
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if [ "$BUS_IDX_CV" != "$fruBus" ] || [ "$BUS_ADDR_CV" != "$fruAddr" ]; then
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continue
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fi
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fi
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MAC_ADDR_RAW=$(busctl get-property xyz.openbmc_project.FruDevice "$fruObj" xyz.openbmc_project.FruDevice BOARD_INFO_AM1)
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MAC_ADDR=$(echo "$MAC_ADDR_RAW" | cut -d "\"" -f 2)
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break
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done
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fi
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echo "$MAC_ADDR"
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}
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ETHERNET_INTERFACE=$1
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BMC_FRU_BUS=$2
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BMC_FRU_ADDR=$3
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if [ -z "$BMC_FRU_ADDR" ];
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then
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Usage
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exit
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fi
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# Check eth port
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case ${ETHERNET_INTERFACE} in
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"eth0")
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ENV_PORT="1"
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;;
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"eth1")
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ENV_PORT="2"
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;;
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"eth2")
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ENV_PORT="3"
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;;
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*)
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Usage
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exit
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;;
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esac
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# Read FRU Board Custom Field 1 to get the MAC address
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for i in {1..10}; do
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MAC_ADDR=$(read_mac_address "$BMC_FRU_BUS" "$BMC_FRU_ADDR")
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# Check if BMC MAC address is exported
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if [ -z "${MAC_ADDR}" ]; then
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sleep 2
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continue
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fi
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if echo "$MAC_ADDR" | grep -q -vE "^([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}$" ; then
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echo "ERROR: No valid BMC MAC Address detected from BMC FRU! $MAC_ADDR"
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exit 0
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else
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echo "mac-update: detect BMC MAC $MAC_ADDR at loop $i"
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break
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fi
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done
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# Check if the Ethernet port has correct MAC Address
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ETH_INCLUDE_MAC=$(ifconfig "${ETHERNET_INTERFACE}" | grep -i "$MAC_ADDR")
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if [ -n "$ETH_INCLUDE_MAC" ]; then
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echo "BMC MAC Address is already configured"
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exit 0
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fi
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# Request to restart the service
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ifconfig "${ETHERNET_INTERFACE}" down
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fw_setenv bmc_macaddr "${MAC_ADDR}"
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ifconfig "${ETHERNET_INTERFACE}" hw ether "${MAC_ADDR}"
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retval=$?
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if [[ $retval -ne 0 ]]; then
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echo "ERROR: Can not update MAC ADDR to ${ETHERNET_INTERFACE}"
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exit 1
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fi
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# Setting LAN MAC Address to xx:xx:xx:xx:xx:xx
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ipmitool lan set "${ENV_PORT}" macaddr "${ETHERNET_INTERFACE}"
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# Enableing BMC-generated ARP responses & Setting SNMP Community String to public
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ipmitool lan set "${ENV_PORT}" arp respond on
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ipmitool lan set "${ENV_PORT}" snmp public
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ifconfig "${ETHERNET_INTERFACE}" up
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echo "Successfully update the MAC address ${MAC_ADDR} to ${ETHERNET_INTERFACE}"
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