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9f48b9db9a
Introduce functions to enable and disable bridgeport address notification feature, sysfs attributes for access to these functions from userspace, and udev events emitted when a host joins or exits a bridgeport-enabled HiperSocket channel. Signed-off-by: Eugene Crosser <eugene.crosser@ru.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Reviewed-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
50 lines
1.8 KiB
Text
50 lines
1.8 KiB
Text
IBM s390 QDIO Ethernet Driver
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HiperSockets Bridge Port Support
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Uevents
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To generate the events the device must be assigned a role of either
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a primary or a secondary Bridge Port. For more information, see
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"z/VM Connectivity, SC24-6174".
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When run on HiperSockets Bridge Capable Port hardware, and the state
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of some configured Bridge Port device on the channel changes, a udev
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event with ACTION=CHANGE is emitted on behalf of the corresponding
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ccwgroup device. The event has the following attributes:
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BRIDGEPORT=statechange - indicates that the Bridge Port device changed
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its state.
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ROLE={primary|secondary|none} - the role assigned to the port.
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STATE={active|standby|inactive} - the newly assumed state of the port.
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When run on HiperSockets Bridge Capable Port hardware with host address
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notifications enabled, a udev event with ACTION=CHANGE is emitted.
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It is emitted on behalf of the corresponding ccwgroup device when a host
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or a VLAN is registered or unregistered on the network served by the device.
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The event has the following attributes:
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BRIDGEDHOST={reset|register|deregister|abort} - host address
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notifications are started afresh, a new host or VLAN is registered or
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deregistered on the Bridge Port HiperSockets channel, or address
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notifications are aborted.
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VLAN=numeric-vlan-id - VLAN ID on which the event occurred. Not included
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if no VLAN is involved in the event.
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MAC=xx:xx:xx:xx:xx:xx - MAC address of the host that is being registered
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or deregistered from the HiperSockets channel. Not reported if the
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event reports the creation or destruction of a VLAN.
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NTOK_BUSID=x.y.zzzz - device bus ID (CSSID, SSID and device number).
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NTOK_IID=xx - device IID.
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NTOK_CHPID=xx - device CHPID.
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NTOK_CHID=xxxx - device channel ID.
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Note that the NTOK_* attributes refer to devices other than the one
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connected to the system on which the OS is running.
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