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+What:           /sys/class/<iface>/statistics/collisions
+Date:           April 2005
+KernelVersion:  2.6.12
+Contact:        netdev@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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@vger.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.