ˆÃ „m¡4×ÁÀÄ?÷/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_IF_LINK_H #define _LINUX_IF_LINK_H #include #include /* This struct should be in sync with struct rtnl_link_stats64 */ struct rtnl_link_stats { __u32 rx_packets; __u32 tx_packets; __u32 rx_bytes; __u32 tx_bytes; __u32 rx_errors; __u32 tx_errors; __u32 rx_dropped; __u32 tx_dropped; __u32 multicast; __u32 collisions; /* detailed rx_errors: */ __u32 rx_length_errors; __u32 rx_over_errors; __u32 rx_crc_errors; __u32 rx_frame_errors; __u32 rx_fifo_errors; __u32 rx_missed_errors; /* detailed tx_errors */ __u32 tx_aborted_errors; __u32 tx_carrier_errors; __u32 tx_fifo_errors; __u32 tx_heartbeat_errors; __u32 tx_window_errors; /* for cslip etc */ __u32 rx_compressed; __u32 tx_compressed; __u32 rx_nohandler; }; /** * struct rtnl_link_stats64 - The main device statistics structure. * * @rx_packets: Number of good packets received by the interface. * For hardware interfaces counts all good packets received from the device * by the host, including packets which host had to drop at various stages * of processing (even in the driver). * * @tx_packets: Number of packets successfully transmitted. * For hardware interfaces counts packets which host was able to successfully * hand over to the device, which does not necessarily mean that packets * had been successfully transmitted out of the device, only that device * acknowledged it copied them out of host memory. * * @rx_bytes: Number of good received bytes, corresponding to @rx_packets. * * For IEEE 802.3 devices should count the length of Ethernet Frames * excluding the FCS. * * @tx_bytes: Number of good transmitted bytes, corresponding to @tx_packets. * * For IEEE 802.3 devices should count the length of Ethernet Frames * excluding the FCS. * * @rx_errors: Total number of bad packets received on this network device. * This counter must include events counted by @rx_length_errors, * @rx_crc_errors, @rx_frame_errors and other errors not otherwise * counted. * * @tx_errors: Total number of transmit problems. * This counter must include events counter by @tx_aborted_errors, * @tx_carrier_errors, @tx_fifo_errors, @tx_heartbeat_errors, * @tx_window_errors and other errors not otherwise counted. * * @rx_dropped: Number of packets received but not processed, * e.g. due to lack of resources or unsupported protocol. * For hardware interfaces this counter may include packets discarded * due to L2 address filtering but should not include packets dropped * by the device due to buffer exhaustion which are counted separately in * @rx_missed_errors (since procfs folds those two counters together). * * @tx_dropped: Number of packets dropped on their way to transmission, * e.g. due to lack of resources. * * @multicast: Multicast packets received. * For hardware interfaces this statistic is commonly calculated * at the device level (unlike @rx_packets) and therefore may include * packets which did not reach the host. * * For IEEE 802.3 devices this counter may be equivalent to: * * - 30.3.1.1.21 aMulticastFramesReceivedOK * * @collisions: Number of collisions during packet transmissions. * * @rx_length_errors: Number of packets dropped due to invalid length. * Part of aggregate "frame" errors in `/proc/net/dev`. * * For IEEE 802.3 devices this counter should be equivalent to a sum * of the following attributes: * * - 30.3.1.1.23 aInRangeLengthErrors * - 30.3.1.1.24 aOutOfRangeLengthField * - 30.3.1.1.25 aFrameTooLongErrors * * @rx_over_errors: Receiver FIFO overflow event counter. * * Historically the count of overflow events. Such events may be * reported in the receive descriptors or via interrupts, and may * not correspond one-to-one with dropped packets. * * The recommended interpretation for high speed interfaces is - * number of packets dropped because they did not fit in