| Lotus Xu | 58c4886 | 2020-10-27 15:00:31 +0800 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | # Copyright 2018 Intel Corporation |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | |
| 16 | SOFS_MNT=/var/sofs |
| 17 | SOFS_MACDIR=${SOFS_MNT}/factory-settings/network/mac |
| 18 | |
| 19 | read_hw_mac() { |
| 20 | local iface="$1" |
| 21 | cat /sys/class/net/"$iface"/address 2>/dev/null |
| 22 | } |
| 23 | |
| 24 | set_hw_mac() { |
| 25 | local iface="$1" |
| 26 | local mac="$2" |
| 27 | ip link show dev "$iface" | grep -q "${iface}:.*\<UP\>" 2>/dev/null |
| 28 | local up=$? |
| 29 | [[ $up -eq 0 ]] && ip link set dev "$iface" down |
| 30 | ip link set dev "$iface" address "$mac" |
| 31 | [[ $up -eq 0 ]] && ip link set dev "$iface" up |
| 32 | } |
| 33 | |
| 34 | read_sofs_mac() { |
| 35 | local iface="$1" |
| 36 | cat "${SOFS_MACDIR}/${iface}" 2>/dev/null |
| 37 | } |
| 38 | |
| 39 | read_fw_env_mac() { |
| 40 | local envname="$1" |
| 41 | fw_printenv "$envname" 2>/dev/null | sed "s/^$envname=//" |
| 42 | } |
| 43 | |
| 44 | set_fw_env_mac() { |
| 45 | local envname="$1" |
| 46 | local mac="$2" |
| 47 | fw_setenv "$envname" "$mac" |
| 48 | } |
| 49 | read_eeprom_mac() { |
| 50 | local iface="$1" |
| 51 | a=0 |
| 52 | if [ $iface = "eth1" ];then |
| 53 | a=8 |
| 54 | fi |
| 55 | for ((i=a;i <= ((7+a));i++));do |
| 56 | i2cset -y 1 0x50 0x00 $i |
| 57 | tmp=`i2cget -y 1 0x50` |
| 58 | local mac[$i]=${tmp:2} |
| 59 | local mac_str=$mac_str:${mac[$i]} |
| 60 | done |
| 61 | mac_str=${mac_str:1:17} |
| 62 | echo $mac_str 2>/dev/null |
| 63 | } |
| 64 | |
| 65 | create_macdir() { |
| 66 | if [ -a ${SOFS_MACDIR} ]; then |
| 67 | if [ ! -d ${SOFS_MACDIR} ]; then |
| 68 | rm -rf ${SOFS_MACDIR} |
| 69 | mkdir -p ${SOFS_MACDIR} |
| 70 | fi |
| 71 | else |
| 72 | mkdir -p ${SOFS_MACDIR} |
| 73 | fi |
| 74 | return 0 |
| 75 | } |
| 76 | |
| 77 | mac_check() { |
| 78 | local iface="$1" |
| 79 | local envname="$2" |
| 80 | |
| 81 | # Read the MAC address in use by the NIC |
| 82 | local hw_mac=$(read_hw_mac "$iface") |
| 83 | |
| 84 | # Read the MAC address stored in the non-volatile file provisioned in |
| 85 | # manufacturing. |
| 86 | local sofs_mac=$(read_sofs_mac "$iface") |
| 87 | |
| 88 | local eeprom_mac=$(read_eeprom_mac "$iface") |
| 89 | if [ -n "$eeprom_mac" ] && [ -z "$sofs_mac"]; then |
| 90 | set_hw_mac "$iface" "$eeprom_mac" |
| 91 | set_fw_env_mac "$envname" "$eeprom_mac" |
| 92 | return $? |
| 93 | elif [ -n "$sofs_mac" ] && [ "$hw_mac" != "$sofs_mac" ]; then |
| 94 | # A factory assigned address was found, and it is newly assigned. |
| 95 | # Update the active interface and save the new value to the u-boot |
| 96 | # environment. |
| 97 | set_hw_mac "$iface" "$sofs_mac" |
| 98 | set_fw_env_mac "$envname" "$sofs_mac" |
| 99 | return $? |
| 100 | elif [ -n "$hw_mac" ]; then |
| 101 | # Read the MAC address stored by U-Boot |
| 102 | local fw_env_mac=$(read_fw_env_mac "$envname") |
| 103 | if [ -z "$fw_env_mac" ] || [ "$fw_env_mac" != "$hw_mac" ]; then |
| 104 | set_fw_env_mac "$envname" "$hw_mac" |
| 105 | return $? |
| 106 | fi |
| 107 | else |
| 108 | # Could not identify a MAC address |
| 109 | return 255 |
| 110 | fi |
| 111 | |
| 112 | return 0 |
| 113 | } |
| 114 | |
| 115 | create_macdir |
| 116 | |
| 117 | error=0 |
| 118 | first_error_seen=0 |
| 119 | |
| 120 | while read IFACE UBDEV; do |
| 121 | mac_check "$IFACE" "$UBDEV" |
| 122 | error=$? |
| 123 | if [ $error -ne 0 ] && [ $first_error_seen -eq 0 ]; then |
| 124 | first_error_seen=$error |
| 125 | fi |
| 126 | done <<-END_CONF |
| 127 | eth0 eth1addr |
| 128 | eth1 ethaddr |
| 129 | END_CONF |
| 130 | exit $first_error_seen |