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_errors Date: April 2005 KernelVersion: 2.6.12 Contact: netdev@vger.kernel.org Description: Indicates the number of receive errors on this network device. 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_nohandler Date: February 2016 KernelVersion: 4.6 Contact: netdev@vger.kernel.org Description: Indicates the number of received packets that were dropped on an inactive device by the network core. 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.