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=============================
IBM s390 QDIO Ethernet Driver
=============================
OSA and HiperSockets Bridge Port Support
========================================
Uevents
-------
To generate the events the device must be assigned a role of either
a primary or a secondary Bridge Port. For more information, see
"z/VM Connectivity, SC24-6174".
When run on an OSA or HiperSockets Bridge Capable Port hardware, and the state
of some configured Bridge Port device on the channel changes, a udev
event with ACTION=CHANGE is emitted on behalf of the corresponding
ccwgroup device. The event has the following attributes:
BRIDGEPORT=statechange
indicates that the Bridge Port device changed
its state.
ROLE={primary|secondary|none}
the role assigned to the port.
STATE={active|standby|inactive}
the newly assumed state of the port.
When run on HiperSockets Bridge Capable Port hardware with host address
notifications enabled, a udev event with ACTION=CHANGE is emitted.
It is emitted on behalf of the corresponding ccwgroup device when a host
or a VLAN is registered or unregistered on the network served by the device.
The event has the following attributes:
BRIDGEDHOST={reset|register|deregister|abort}
host address
notifications are started afresh, a new host or VLAN is registered or
deregistered on the Bridge Port HiperSockets channel, or address
notifications are aborted.
VLAN=numeric-vlan-id
VLAN ID on which the event occurred. Not included
if no VLAN is involved in the event.
MAC=xx:xx:xx:xx:xx:xx
MAC address of the host that is being registered
or deregistered from the HiperSockets channel. Not reported if the
event reports the creation or destruction of a VLAN.
NTOK_BUSID=x.y.zzzz
device bus ID (CSSID, SSID and device number).
NTOK_IID=xx
device IID.
NTOK_CHPID=xx
device CHPID.
NTOK_CHID=xxxx
device channel ID.
Note that the `NTOK_*` attributes refer to devices other than the one
connected to the system on which the OS is running.
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