Initial commit

meta-ampere/meta-common/recipes-ampere/platform/ampere-utils/ampere_update_mac.sh

@@ -0,0 +1,115 @@
+#!/bin/bash
+#
+# This script is used to get the BMC MAC Address from FRU EEPROM at Board Extra.
+# and if the eth address is not exist on U-boot Enviroment, this script will update it.
+#
+
+function Usage () {
+	echo "Usage:"
+	echo "      ampere_update_mac.sh <ethX> <fru bus> <fru addr>"
+	echo "Example:"
+	echo "      ampere_update_mac.sh eth1 3 80"
+}
+
+function read_mac_address () {
+	fruBus=$1
+	fruAddr=$2
+
+	if FRU_OBJECT_PATH=$(busctl tree xyz.openbmc_project.FruDevice | grep "/xyz/openbmc_project/FruDevice/" | tr -s '\n' ' ' | tr -d "|-" | tr -d '`')
+	then
+		IFS=' ' read -r -a FRU_OBJ_PATH_ARR <<< "$FRU_OBJECT_PATH"
+
+		for fruObj in "${FRU_OBJ_PATH_ARR[@]}"
+		do
+			BUS_IDX_RW=$(busctl get-property xyz.openbmc_project.FruDevice "$fruObj" xyz.openbmc_project.FruDevice BUS)
+			BUS_ADDR_RW=$(busctl get-property xyz.openbmc_project.FruDevice "$fruObj" xyz.openbmc_project.FruDevice ADDRESS)
+
+			if [ -z "$BUS_IDX_RW" ] || [ -z "$BUS_IDX_RW" ]; then
+				continue
+			else
+				BUS_IDX_CV=$(echo "$BUS_IDX_RW" | cut -d " " -f 2)
+				BUS_ADDR_CV=$(echo "$BUS_ADDR_RW" | cut -d " " -f 2)
+				if [ "$BUS_IDX_CV" != "$fruBus" ] || [ "$BUS_ADDR_CV" != "$fruAddr" ]; then
+					continue
+				fi
+			fi
+
+			MAC_ADDR_RAW=$(busctl get-property xyz.openbmc_project.FruDevice "$fruObj" xyz.openbmc_project.FruDevice BOARD_INFO_AM1)
+			MAC_ADDR=$(echo "$MAC_ADDR_RAW" | cut -d "\"" -f 2)
+			break
+		done
+	fi
+	echo "$MAC_ADDR"
+}
+
+ETHERNET_INTERFACE=$1
+BMC_FRU_BUS=$2
+BMC_FRU_ADDR=$3
+
+if [ -z "$BMC_FRU_ADDR" ];
+then
+	Usage
+	exit
+fi
+
+# Check eth port
+case ${ETHERNET_INTERFACE} in
+	"eth0")
+		ENV_PORT="1"
+		;;
+	"eth1")
+		ENV_PORT="2"
+		;;
+	"eth2")
+		ENV_PORT="3"
+		;;
+	*)
+		Usage
+		exit
+		;;
+esac
+
+# Read FRU Board Custom Field 1 to get the MAC address
+for i in {1..10}; do
+	MAC_ADDR=$(read_mac_address "$BMC_FRU_BUS" "$BMC_FRU_ADDR")
+
+	# Check if BMC MAC address is exported
+	if [ -z "${MAC_ADDR}" ]; then
+		sleep 2
+		continue
+	fi
+
+	if echo "$MAC_ADDR" | grep -q -vE "^([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}$" ; then
+		echo "ERROR: No valid BMC MAC Address detected from BMC FRU! $MAC_ADDR"
+		exit 0
+	else
+		echo "mac-update: detect BMC MAC $MAC_ADDR at loop $i"
+		break
+	fi
+done
+
+# Check if the Ethernet port has correct MAC Address
+ETH_INCLUDE_MAC=$(ifconfig "${ETHERNET_INTERFACE}" | grep -i "$MAC_ADDR")
+if [ -n "$ETH_INCLUDE_MAC" ]; then
+	echo "BMC MAC Address is already configured"
+	exit 0
+fi
+
+# Request to restart the service
+ifconfig "${ETHERNET_INTERFACE}" down
+fw_setenv bmc_macaddr "${MAC_ADDR}"
+
+ifconfig "${ETHERNET_INTERFACE}" hw ether "${MAC_ADDR}"
+retval=$?
+if [[ $retval -ne 0 ]]; then
+	echo "ERROR: Can not update MAC ADDR to ${ETHERNET_INTERFACE}"
+	exit 1
+fi
+# Setting LAN MAC Address to xx:xx:xx:xx:xx:xx
+ipmitool lan set "${ENV_PORT}" macaddr "${ETHERNET_INTERFACE}"
+# Enableing BMC-generated ARP responses & Setting SNMP Community String to public
+ipmitool lan set "${ENV_PORT}" arp respond on
+ipmitool lan set "${ENV_PORT}" snmp public
+ifconfig "${ETHERNET_INTERFACE}" up
+
+echo "Successfully update the MAC address ${MAC_ADDR} to ${ETHERNET_INTERFACE}"