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- What: /sys/bus/fcoe/ctlr_X
- Date: March 2012
- KernelVersion: TBD
- Contact: Robert Love <robert.w.love@intel.com>, devel@open-fcoe.org
- Description: 'FCoE Controller' instances on the fcoe bus
- Attributes:
- fcf_dev_loss_tmo: Device loss timeout peroid (see below). Changing
- this value will change the dev_loss_tmo for all
- FCFs discovered by this controller.
- lesb_link_fail: Link Error Status Block (LESB) link failure count.
- lesb_vlink_fail: Link Error Status Block (LESB) virtual link
- failure count.
- lesb_miss_fka: Link Error Status Block (LESB) missed FCoE
- Initialization Protocol (FIP) Keep-Alives (FKA).
- lesb_symb_err: Link Error Status Block (LESB) symbolic error count.
- lesb_err_block: Link Error Status Block (LESB) block error count.
- lesb_fcs_error: Link Error Status Block (LESB) Fibre Channel
- Serivces error count.
- Notes: ctlr_X (global increment starting at 0)
- What: /sys/bus/fcoe/fcf_X
- Date: March 2012
- KernelVersion: TBD
- Contact: Robert Love <robert.w.love@intel.com>, devel@open-fcoe.org
- Description: 'FCoE FCF' instances on the fcoe bus. A FCF is a Fibre Channel
- Forwarder, which is a FCoE switch that can accept FCoE
- (Ethernet) packets, unpack them, and forward the embedded
- Fibre Channel frames into a FC fabric. It can also take
- outbound FC frames and pack them in Ethernet packets to
- be sent to their destination on the Ethernet segment.
- Attributes:
- fabric_name: Identifies the fabric that the FCF services.
- switch_name: Identifies the FCF.
- priority: The switch's priority amongst other FCFs on the same
- fabric.
- selected: 1 indicates that the switch has been selected for use;
- 0 indicates that the swich will not be used.
- fc_map: The Fibre Channel MAP
- vfid: The Virtual Fabric ID
- mac: The FCF's MAC address
- fka_peroid: The FIP Keep-Alive peroid
- fabric_state: The internal kernel state
- "Unknown" - Initialization value
- "Disconnected" - No link to the FCF/fabric
- "Connected" - Host is connected to the FCF
- "Deleted" - FCF is being removed from the system
- dev_loss_tmo: The device loss timeout peroid for this FCF.
- Notes: A device loss infrastructre similar to the FC Transport's
- is present in fcoe_sysfs. It is nice to have so that a
- link flapping adapter doesn't continually advance the count
- used to identify the discovered FCF. FCFs will exist in a
- "Disconnected" state until either the timer expires and the
- FCF becomes "Deleted" or the FCF is rediscovered and becomes
- "Connected."
- Users: The first user of this interface will be the fcoeadm application,
- which is commonly packaged in the fcoe-utils package.
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