kernel/Documentation/ABI/testing/sysfs-class-net-statistics

   1 What:           /sys/class/<iface>/statistics/collisions
   2 Date:           April 2005
   3 KernelVersion:  2.6.12
   4 Contact:        netdev@vger.kernel.org
   5 Description:
   6                 Indicates the number of collisions seen by this network device.
   7                 This value might not be relevant with all MAC layers.
   8
   9 What:           /sys/class/<iface>/statistics/multicast
  10 Date:           April 2005
  11 KernelVersion:  2.6.12
  12 Contact:        netdev@vger.kernel.org
  13 Description:
  14                 Indicates the number of multicast packets received by this
  15                 network device.
  16
  17 What:           /sys/class/<iface>/statistics/rx_bytes
  18 Date:           April 2005
  19 KernelVersion:  2.6.12
  20 Contact:        netdev@vger.kernel.org
  21 Description:
  22                 Indicates the number of bytes received by this network device.
  23                 See the network driver for the exact meaning of when this
  24                 value is incremented.
  25
  26 What:           /sys/class/<iface>/statistics/rx_compressed
  27 Date:           April 2005
  28 KernelVersion:  2.6.12
  29 Contact:        netdev@vger.kernel.org
  30 Description:
  31                 Indicates the number of compressed packets received by this
  32                 network device. This value might only be relevant for interfaces
  33                 that support packet compression (e.g: PPP).
  34
  35 What:           /sys/class/<iface>/statistics/rx_crc_errors
  36 Date:           April 2005
  37 KernelVersion:  2.6.12
  38 Contact:        netdev@vger.kernel.org
  39 Description:
  40                 Indicates the number of packets received with a CRC (FCS) error
  41                 by this network device. Note that the specific meaning might
  42                 depend on the MAC layer used by the interface.
  43
  44 What:           /sys/class/<iface>/statistics/rx_dropped
  45 Date:           April 2005
  46 KernelVersion:  2.6.12
  47 Contact:        netdev@vger.kernel.org
  48 Description:
  49                 Indicates the number of packets received by the network device
  50                 but dropped, that are not forwarded to the upper layers for
  51                 packet processing. See the network driver for the exact
  52                 meaning of this value.
  53
  54 What:           /sys/class/<iface>/statistics/rx_fifo_errors
  55 Date:           April 2005
  56 KernelVersion:  2.6.12
  57 Contact:        netdev@vger.kernel.org
  58 Description:
  59                 Indicates the number of receive FIFO errors seen by this
  60                 network device. See the network driver for the exact
  61                 meaning of this value.
  62
  63 What:           /sys/class/<iface>/statistics/rx_frame_errors
  64 Date:           April 2005
  65 KernelVersion:  2.6.12
  66 Contact:        netdev@vger.kernel.org
  67 Description:
  68                 Indicates the number of received frames with error, such as
  69                 alignment errors. Note that the specific meaning depends on
  70                 on the MAC layer protocol used. See the network driver for
  71                 the exact meaning of this value.
  72
  73 What:           /sys/class/<iface>/statistics/rx_length_errors
  74 Date:           April 2005
  75 KernelVersion:  2.6.12
  76 Contact:        netdev@vger.kernel.org
  77 Description:
  78                 Indicates the number of received error packet with a length
  79                 error, oversized or undersized. See the network driver for the
  80                 exact meaning of this value.
  81
  82 What:           /sys/class/<iface>/statistics/rx_missed_errors
  83 Date:           April 2005
  84 KernelVersion:  2.6.12
  85 Contact:        netdev@vger.kernel.org
  86 Description:
  87                 Indicates the number of received packets that have been missed
  88                 due to lack of capacity in the receive side. See the network
  89                 driver for the exact meaning of this value.
  90
  91 What:           /sys/class/<iface>/statistics/rx_over_errors
  92 Date:           April 2005
  93 KernelVersion:  2.6.12
  94 Contact:        netdev@vger.kernel.org
  95 Description:
  96                 Indicates the number of received packets that are oversized
  97                 compared to what the network device is configured to accept
  98                 (e.g: larger than MTU). See the network driver for the exact
  99                 meaning of this value.
 100
 101 What:           /sys/class/<iface>/statistics/rx_packets
 102 Date:           April 2005
 103 KernelVersion:  2.6.12
 104 Contact:        netdev@vger.kernel.org
 105 Description:
 106                 Indicates the total number of good packets received by this
 107                 network device.
 108
 109 What:           /sys/class/<iface>/statistics/tx_aborted_errors
 110 Date:           April 2005
 111 KernelVersion:  2.6.12
 112 Contact:        netdev@vger.kernel.org
 113 Description:
 114                 Indicates the number of packets that have been aborted
 115                 during transmission by a network device (e.g: because of
 116                 a medium collision). See the network driver for the exact
 117                 meaning of this value.
 118
 119 What:           /sys/class/<iface>/statistics/tx_bytes
 120 Date:           April 2005
 121 KernelVersion:  2.6.12
 122 Contact:        netdev@vger.kernel.org
 123 Description:
 124                 Indicates the number of bytes transmitted by a network
 125                 device. See the network driver for the exact meaning of this
 126                 value, in particular whether this accounts for all successfully
 127                 transmitted packets or all packets that have been queued for
 128                 transmission.
 129
 130 What:           /sys/class/<iface>/statistics/tx_carrier_errors
 131 Date:           April 2005
 132 KernelVersion:  2.6.12
 133 Contact:        netdev@vger.kernel.org
 134 Description:
 135                 Indicates the number of packets that could not be transmitted
 136                 because of carrier errors (e.g: physical link down). See the
 137                 network driver for the exact meaning of this value.
 138
 139 What:           /sys/class/<iface>/statistics/tx_compressed
 140 Date:           April 2005
 141 KernelVersion:  2.6.12
 142 Contact:        netdev@vger.kernel.org
 143 Description:
 144                 Indicates the number of transmitted compressed packets. Note
 145                 this might only be relevant for devices that support
 146                 compression (e.g: PPP).
 147
 148 What:           /sys/class/<iface>/statistics/tx_dropped
 149 Date:           April 2005
 150 KernelVersion:  2.6.12
 151 Contact:        netdev@vger.kernel.org
 152 Description:
 153                 Indicates the number of packets dropped during transmission.
 154                 See the driver for the exact reasons as to why the packets were
 155                 dropped.
 156
 157 What:           /sys/class/<iface>/statistics/tx_errors
 158 Date:           April 2005
 159 KernelVersion:  2.6.12
 160 Contact:        netdev@vger.kernel.org
 161 Description:
 162                 Indicates the number of packets in error during transmission by
 163                 a network device. See the driver for the exact reasons as to
 164                 why the packets were dropped.
 165
 166 What:           /sys/class/<iface>/statistics/tx_fifo_errors
 167 Date:           April 2005
 168 KernelVersion:  2.6.12
 169 Contact:        netdev@vger.kernel.org
 170 Description:
 171                 Indicates the number of packets having caused a transmit
 172                 FIFO error. See the driver for the exact reasons as to why the
 173                 packets were dropped.
 174
 175 What:           /sys/class/<iface>/statistics/tx_heartbeat_errors
 176 Date:           April 2005
 177 KernelVersion:  2.6.12
 178 Contact:        netdev@vger.kernel.org
 179 Description:
 180                 Indicates the number of packets transmitted that have been
 181                 reported as heartbeat errors. See the driver for the exact
 182                 reasons as to why the packets were dropped.
 183
 184 What:           /sys/class/<iface>/statistics/tx_packets
 185 Date:           April 2005
 186 KernelVersion:  2.6.12
 187 Contact:        netdev@vger.kernel.org
 188 Description:
 189                 Indicates the number of packets transmitted by a network
 190                 device. See the driver for whether this reports the number of all
 191                 attempted or successful transmissions.
 192
 193 What:           /sys/class/<iface>/statistics/tx_window_errors
 194 Date:           April 2005
 195 KernelVersion:  2.6.12
 196 Contact:        netdev@vger.kernel.org
 197 Description:
 198                 Indicates the number of packets not successfully transmitted
 199                 due to a window collision. The specific meaning depends on the
 200                 MAC layer used.  On Ethernet this is usually used to report
 201                 late collisions errors.