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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
net: sysfs: add documentation entries for /sys/class/<iface>/queues
Add sysfs documentation for the various attributes of a network
interface exposed in /sys/class/<iface>/queues/{rx,tx}-<queue>/
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
authored by
Florian Fainelli
and committed by
David S. Miller
1a02ef76
79499bca
+79
+79
Documentation/ABI/testing/sysfs-class-net-queues
+79
Documentation/ABI/testing/sysfs-class-net-queues
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What: /sys/class/<iface>/queues/rx-<queue>/rps_cpus
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Date: March 2010
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KernelVersion: 2.6.35
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Contact: netdev@vger.kernel.org
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Description:
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Mask of the CPU(s) currently enabled to participate into the
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Receive Packet Steering packet processing flow for this
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network device queue. Possible values depend on the number
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of available CPU(s) in the system.
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What: /sys/class/<iface>/queues/rx-<queue>/rps_flow_cnt
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Date: April 2010
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KernelVersion: 2.6.35
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Contact: netdev@vger.kernel.org
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Description:
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Number of Receive Packet Steering flows being currently
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processed by this particular network device receive queue.
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What: /sys/class/<iface>/queues/tx-<queue>/tx_timeout
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Date: November 2011
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KernelVersion: 3.3
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Contact: netdev@vger.kernel.org
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Description:
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Indicates the number of transmit timeout events seen by this
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network interface transmit queue.
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What: /sys/class/<iface>/queues/tx-<queue>/xps_cpus
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Date: November 2010
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KernelVersion: 2.6.38
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Contact: netdev@vger.kernel.org
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Description:
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Mask of the CPU(s) currently enabled to participate into the
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Transmit Packet Steering packet processing flow for this
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network device transmit queue. Possible vaules depend on the
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number of available CPU(s) in the system.
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What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/hold_time
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Date: November 2011
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KernelVersion: 3.3
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Contact: netdev@vger.kernel.org
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Description:
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Indicates the hold time in milliseconds to measure the slack
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of this particular network device transmit queue.
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Default value is 1000.
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What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/inflight
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Date: November 2011
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KernelVersion: 3.3
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Contact: netdev@vger.kernel.org
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Description:
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Indicates the number of bytes (objects) in flight on this
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network device transmit queue.
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What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit
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Date: November 2011
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KernelVersion: 3.3
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Contact: netdev@vger.kernel.org
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Description:
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Indicates the current limit of bytes allowed to be queued
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on this network device transmit queue. This value is clamped
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to be within the bounds defined by limit_max and limit_min.
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What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit_max
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Date: November 2011
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KernelVersion: 3.3
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Contact: netdev@vger.kernel.org
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Description:
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Indicates the absolute maximum limit of bytes allowed to be
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queued on this network device transmit queue. See
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include/linux/dynamic_queue_limits.h for the default value.
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What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit_min
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Date: November 2011
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KernelVersion: 3.3
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Contact: netdev@vger.kernel.org
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Description:
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Indicates the absolute minimum limit of bytes allowed to be
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queued on this network device transmit queue. Default value is
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0.