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Date: Fri, 23 May 2014 16:35:42 -0700 From: Florian Fainelli <f.fainelli@...il.com> To: netdev@...r.kernel.org Cc: davem@...emloft.net, therbert@...gle.com, edumazet@...il.com, Florian Fainelli <f.fainelli@...il.com> Subject: [PATCH net-next 3/3] net: sysfs: document /sys/class/net/statistics/* Document the network device statistics counter that are exposed as sysfs attributes. Signed-off-by: Florian Fainelli <f.fainelli@...il.com> --- .../ABI/testing/sysfs-class-net-statistics | 202 +++++++++++++++++++++ 1 file changed, 202 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-net-statistics diff --git a/Documentation/ABI/testing/sysfs-class-net-statistics b/Documentation/ABI/testing/sysfs-class-net-statistics new file mode 100644 index 000000000000..2f05e793dc32 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-net-statistics @@ -0,0 +1,202 @@ +What: /sys/class/<iface>/statistics/collisions +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of collisions seen by this network device. + This value might not be relevant with all MAC layers. + +What: /sys/class/<iface>/statistics/multicast +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of multicast packets received by this + network device. + +What: /sys/class/<iface>/statistics/rx_bytes +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of bytes received by this network device. + See the network driver for the exact meaning of when this + value is incremented. + +What: /sys/class/<iface>/statistics/rx_compressed +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of compressed packets received by this + network device. This value might only be relevant for interfaces + that support packet compression (e.g: PPP). + +What: /sys/class/<iface>/statistics/rx_crc_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of packets received with a CRC (FCS) error + by this network device. Note that the specific meaning might + depend on the MAC layer used by the interface. + +What: /sys/class/<iface>/statistics/rx_dropped +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of packets received by the network device + but dropped, that are not forwarded to the upper layers for + packet processing. See the network driver for the exact + meaning of this value. + +What: /sys/class/<iface>/statistics/rx_fifo_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of receive FIFO errors seen by this + network device. See the network driver for the exact + meaning of this value. + +What: /sys/class/<iface>/statistics/rx_frame_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of received frames with error, such as + alignment errors. Note that the specific meaning depends on + on the MAC layer protocol used. See the network driver for + the exact meaning of this value. + +What: /sys/class/<iface>/statistics/rx_length_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of received error packet with a length + error, oversized or undersized. See the network driver for the + exact meaning of this value. + +What: /sys/class/<iface>/statistics/rx_missed_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of received packets that have been missed + due to lack of capacity in the receive side. See the network + driver for the exact meaning of this value. + +What: /sys/class/<iface>/statistics/rx_over_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of received packets that are oversized + compared to what the network device is configured to accept + (e.g: larger than MTU). See the network driver for the exact + meaning of this value. + +What: /sys/class/<iface>/statistics/rx_packets +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the total number of good packets received by this + network device. + +What: /sys/class/<iface>/statistics/tx_aborted_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of packets that have been aborted + during transmission by a network device (e.g: because of + a medium collision). See the network driver for the exact + meaning of this value. + +What: /sys/class/<iface>/statistics/tx_bytes +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of bytes transmitted by a network + device. See the network driver for the exact meaning of this + value, in particular whether this accounts for all successfully + transmitted packets or all packets that have been queued for + transmission. + +What: /sys/class/<iface>/statistics/tx_carrier_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of packets that could not be transmitted + because of carrier errors (e.g: physical link down). See the + network driver for the exact meaning of this value. + +What: /sys/class/<iface>/statistics/tx_compressed +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of transmitted compressed packets. Note + this might only be relevant for devices that support + compression (e.g: PPP). + +What: /sys/class/<iface>/statistics/tx_dropped +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of packets dropped during transmission. + See the driver for the exact reasons as to why the packets were + dropped. + +What: /sys/class/<iface>/statistics/tx_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of packets in error during transmission by + a network device. See the driver for the exact reasons as to + why the packets were dropped. + +What: /sys/class/<iface>/statistics/tx_fifo_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of packets having caused a transmit + FIFO error. See the driver for the exact reasons as to why the + packets were dropped. + +What: /sys/class/<iface>/statistics/tx_heartbeat_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of packets transmitted that have been + reported as heartbeat errors. See the driver for the exact + reasons as to why the packets were dropped. + +What: /sys/class/<iface>/statistics/tx_packets +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of packets transmitted by a network + device. See the driver for whether this reports the number of all + attempted or successful transmissions. + +What: /sys/class/<iface>/statistics/tx_window_errors +Date: April 2005 +KernelVersion: 2.6.12 +Contact: netdev@...r.kernel.org +Description: + Indicates the number of packets not successfully transmitted + due to a window collision. The specific meaning depends on the + MAC layer used. On Ethernet this is usually used to report + late collisions errors. + -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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