1What:		/sys/class/net/<iface>/queues/rx-<queue>/rps_cpus
  2Date:		March 2010
  3KernelVersion:	2.6.35
  4Contact:	netdev@vger.kernel.org
  5Description:
  6		Mask of the CPU(s) currently enabled to participate into the
  7		Receive Packet Steering packet processing flow for this
  8		network device queue. Possible values depend on the number
  9		of available CPU(s) in the system.
 10
 11What:		/sys/class/net/<iface>/queues/rx-<queue>/rps_flow_cnt
 12Date:		April 2010
 13KernelVersion:	2.6.35
 14Contact:	netdev@vger.kernel.org
 15Description:
 16		Number of Receive Packet Steering flows being currently
 17		processed by this particular network device receive queue.
 18
 19What:		/sys/class/net/<iface>/queues/tx-<queue>/tx_timeout
 20Date:		November 2011
 21KernelVersion:	3.3
 22Contact:	netdev@vger.kernel.org
 23Description:
 24		Indicates the number of transmit timeout events seen by this
 25		network interface transmit queue.
 26
 27What:		/sys/class/net/<iface>/queues/tx-<queue>/tx_maxrate
 28Date:		March 2015
 29KernelVersion:	4.1
 30Contact:	netdev@vger.kernel.org
 31Description:
 32		A Mbps max-rate set for the queue, a value of zero means disabled,
 33		default is disabled.
 34
 35What:		/sys/class/net/<iface>/queues/tx-<queue>/xps_cpus
 36Date:		November 2010
 37KernelVersion:	2.6.38
 38Contact:	netdev@vger.kernel.org
 39Description:
 40		Mask of the CPU(s) currently enabled to participate into the
 41		Transmit Packet Steering packet processing flow for this
 42		network device transmit queue. Possible values depend on the
 43		number of available CPU(s) in the system.
 44
 45What:		/sys/class/net/<iface>/queues/tx-<queue>/xps_rxqs
 46Date:		June 2018
 47KernelVersion:	4.18.0
 48Contact:	netdev@vger.kernel.org
 49Description:
 50		Mask of the receive queue(s) currently enabled to participate
 51		into the Transmit Packet Steering packet processing flow for this
 52		network device transmit queue. Possible values depend on the
 53		number of available receive queue(s) in the network device.
 54		Default is disabled.
 55
 56What:		/sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/hold_time
 57Date:		November 2011
 58KernelVersion:	3.3
 59Contact:	netdev@vger.kernel.org
 60Description:
 61		Indicates the hold time in milliseconds to measure the slack
 62		of this particular network device transmit queue.
 63		Default value is 1000.
 64
 65What:		/sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/inflight
 66Date:		November 2011
 67KernelVersion:	3.3
 68Contact:	netdev@vger.kernel.org
 69Description:
 70		Indicates the number of bytes (objects) in flight on this
 71		network device transmit queue.
 72
 73What:		/sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit
 74Date:		November 2011
 75KernelVersion:	3.3
 76Contact:	netdev@vger.kernel.org
 77Description:
 78		Indicates the current limit of bytes allowed to be queued
 79		on this network device transmit queue. This value is clamped
 80		to be within the bounds defined by limit_max and limit_min.
 81
 82What:		/sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit_max
 83Date:		November 2011
 84KernelVersion:	3.3
 85Contact:	netdev@vger.kernel.org
 86Description:
 87		Indicates the absolute maximum limit of bytes allowed to be
 88		queued on this network device transmit queue. See
 89		include/linux/dynamic_queue_limits.h for the default value.
 90
 91What:		/sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit_min
 92Date:		November 2011
 93KernelVersion:	3.3
 94Contact:	netdev@vger.kernel.org
 95Description:
 96		Indicates the absolute minimum limit of bytes allowed to be
 97		queued on this network device transmit queue. Default value is
 98		0.
 99
100What:		/sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/stall_thrs
101Date:		Jan 2024
102KernelVersion:	6.9
103Contact:	netdev@vger.kernel.org
104Description:
105		Tx completion stall detection threshold in ms. Kernel will
106		guarantee to detect all stalls longer than this threshold but
107		may also detect stalls longer than half of the threshold.
108
109What:		/sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/stall_cnt
110Date:		Jan 2024
111KernelVersion:	6.9
112Contact:	netdev@vger.kernel.org
113Description:
114		Number of detected Tx completion stalls.
115
116What:		/sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/stall_max
117Date:		Jan 2024
118KernelVersion:	6.9
119Contact:	netdev@vger.kernel.org
120Description:
121		Longest detected Tx completion stall. Write 0 to clear.