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| author | Eugene Crosser <Eugene.Crosser@ru.ibm.com> | 2014-01-14 18:54:13 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-01-16 02:48:01 +0400 |
| commit | 9f48b9db9a22bdbcff8a629b3d2e4a81dcd4ed26 (patch) | |
| tree | 09cb6c0447e5808c5935c500567df3ab7a235058 /Documentation | |
| parent | 59b55a4df24e2f105c87721bec3e6c80c3d7b20b (diff) | |
| download | linux-9f48b9db9a22bdbcff8a629b3d2e4a81dcd4ed26.tar.xz | |
qeth: bridgeport support - address notifications
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/s390/qeth.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/s390/qeth.txt b/Documentation/s390/qeth.txt index c08c305efd4d..74122ada9949 100644 --- a/Documentation/s390/qeth.txt +++ b/Documentation/s390/qeth.txt @@ -19,3 +19,32 @@ BRIDGEPORT=statechange - indicates that the Bridge Port device changed 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. |