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+What: /sys/block/etherd*/mac
+Date: Apr, 2005
+KernelVersion: v2.6.12
+Contact: Ed L. Cashin <ed.cashin@acm.org>
+Description:
+ (RO) The ethernet address of the remote Ata over Ethernet (AoE)
+ device.
+
+What: /sys/block/etherd*/netif
+Date: Apr, 2005
+KernelVersion: v2.6.12
+Contact: Ed L. Cashin <ed.cashin@acm.org>
+Description:
+ (RO) The names of the network interfaces on the localhost (comma
+ separated) through which we are communicating with the remote
+ AoE device.
+
+What: /sys/block/etherd*/state
+Date: Apr, 2005
+KernelVersion: v2.6.12
+Contact: Ed L. Cashin <ed.cashin@acm.org>
+Description:
+ (RO) Device status. The state attribute is "up" when the device
+ is ready for I/O and "down" if detected but unusable. The
+ "down,closewait" state shows that the device is still open and
+ cannot come up again until it has been closed. The "up,kickme"
+ state means that the driver wants to send more commands to the
+ target but found out there were already the max number of
+ commands waiting for a response. It will retry again after being
+ kicked by the periodic timer handler routine.
+
+What: /sys/block/etherd*/firmware-version
+Date: Apr, 2005
+KernelVersion: v2.6.12
+Contact: Ed L. Cashin <ed.cashin@acm.org>
+Description:
+ (RO) Version of the firmware in the target.
+
+What: /sys/block/etherd*/payload
+Date: Dec, 2012
+KernelVersion: v3.10
+Contact: Ed L. Cashin <ed.cashin@acm.org>
+Description:
+ (RO) The amount of user data transferred (in bytes) inside each AoE
+ command on the network, network headers excluded.