From 9f48b9db9a22bdbcff8a629b3d2e4a81dcd4ed26 Mon Sep 17 00:00:00 2001 From: Eugene Crosser Date: Tue, 14 Jan 2014 15:54:13 +0100 Subject: 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 Signed-off-by: Frank Blaschka Reviewed-by: Ursula Braun Signed-off-by: David S. Miller --- Documentation/s390/qeth.txt | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'Documentation') 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. -- cgit v1.2.3