DEV_MTU         = '(RE:IP_NET_DEV)[[:space:]]+(([1-9][0-9]{2,3})|([1-6][0-9]{4}))'
                : 'Invalid MTU for device, please use <devicename> <mtu>'

#
# vlan definitions
#
VLAN_ID         = '0|[1-9][0-9]{0,2}|[1-3][0-9]{3}|40[0-8][0-9]|409[0-4]'
                : 'vlan VID should be a value between 0 and 4094.'
VLAN_BASE_DEV_NAME = '(RE:ETH_BASE_DEV_NAME).(RE:VLAN_ID)'
                : 'Invalid vlan device name, vlan devices are named ethX.<vid>'
VLAN_DEV_NAME   = '(RE:VLAN_BASE_DEV_NAME)'
                : 'Invalid vlan device name, vlan devices are named ethX.<vid>'

#
# bonding definitions 
#
BONDING_BASE_DEV_NAME = 'bond[1-9]?[0-9]'
                : 'Invalid bonding device name, bonding devices are named bond0, bond1, ..., bond9'
BONDING_DEV_NAME = '(RE:BONDING_BASE_DEV_NAME)'
                : 'Invalid bonding device name, bonding devices are named bond0, bond1, ..., bond9'
BONDING_MODE    = '[0-6]|balance-rr|active-backup|balance-xor|broadcast|802.3ad|balance-tlb|balance-alb'
                : 'Invalid bonding mode. The following modes are supported: balance-rr,active-backup,balance-xor,broadcast,802.3ad,balance-tlb,balance-alb. For more information refer to the Linux kernel documentation <kernel-src>/Documentation/networking/bonding.txt.'
BONDING_LACP_RATE = '[0-1]|slow|fast'
                : 'no errormessage yet'
+VLAN_DEV_NAME(OPT_BONDING_DEV) = 'RE:BONDING_DEV_NAME'
                : ' Also bonding devices with bond<number> are allowed.'
+ETH_BASE_DEV_NAME(OPT_BONDING_DEV) = 'RE:BONDING_DEV_NAME'
                : ' Also bonding devices with bond<number> are allowed.'

#
# bridge definitions
#
BRIDGE_DEVICES  = '(RE:ETH_BASE_DEV_NAME)|(RE:VLAN_BASE_DEV_NAME)|(RE:BONDING_BASE_DEV_NAME)'
                : 'Allowed bridges devices are ethX, vlanX and bondX.'
NUM_BRIDGE_HELLOTIME = '10|[1-9]'
                : 'Hello Time should be a value between 1 and 10.'
NUM_BRIDGE_MAXAGE = '4|5|6|8|9|[1-3][0-9]|40'
                : 'Max Age should be between 6 and 40.'
NUM_BRIDGE_FORWARD_DELAY = '4|5|6|7|8|9|[1-2][0-9]|30'
                : 'Forward Delay must be a value between 4 and 30.'
NUM_BRIDGE_PRIORITY = '[0-9]{1,4}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5]'
                : 'Bridge priority should be a value between 0 and 65535'
NUM_BRIDGE_PATHCOST = '[1-9]|[1-9][0-9]{1,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5]'
                : 'Bridge path cost should be a value between 1 and 65535'
NUM_BRIDGE_PORT_PRIORITY = '1?[0-9]?[0-9]|2[0-4][0-9]|25[0-5]'
                : 'Port priority should be a value between 0 and 255'
BRIDGE_BASE_DEV_NAME = 'br[1-9]?[0-9]'
                : 'Invalid bridge device name, bridge devices are named br0, br1, ..., br9'
BRIDGE_DEV_NAME = '(RE:BRIDGE_BASE_DEV_NAME)'
                : 'Invalid bridge device name, bridge devices are named br0, br1, ..., br9'

#
# extend regular expression for allowed device names
#
+IP_NET_DEV(OPT_BONDING_DEV) = 'RE:BONDING_DEV_NAME'
                : ' Also bonding devices with bond<number> are allowed.'
+IP_NET_DEV(OPT_BRIDGE_DEV) = '(RE:BRIDGE_DEV_NAME)'
                : ' Also bridge devices with br<number> are allowed.'
+IP_NET_DEV(OPT_VLAN_DEV) = '(RE:VLAN_DEV_NAME)'
                : ' Also vlan devices with ethX.<vid> are allowed.'