LXR linux/samples/bpf/hbm.h

   1/* SPDX-License-Identifier: GPL-2.0
   2 *
   3 * Copyright (c) 2019 Facebook
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of version 2 of the GNU General Public
   7 * License as published by the Free Software Foundation.
   8 *
   9 * Include file for Host Bandwidth Management (HBM) programs
  10 */
  11struct hbm_vqueue {
  12        struct bpf_spin_lock lock;
  13        /* 4 byte hole */
  14        unsigned long long lasttime;    /* In ns */
  15        int credit;                     /* In bytes */
  16        unsigned int rate;              /* In bytes per NS << 20 */
  17};
  18
  19struct hbm_queue_stats {
  20        unsigned long rate;             /* in Mbps*/
  21        unsigned long stats:1,          /* get HBM stats (marked, dropped,..) */
  22                loopback:1,             /* also limit flows using loopback */
  23                no_cn:1;                /* do not use cn flags */
  24        unsigned long long pkts_marked;
  25        unsigned long long bytes_marked;
  26        unsigned long long pkts_dropped;
  27        unsigned long long bytes_dropped;
  28        unsigned long long pkts_total;
  29        unsigned long long bytes_total;
  30        unsigned long long firstPacketTime;
  31        unsigned long long lastPacketTime;
  32        unsigned long long pkts_ecn_ce;
  33        unsigned long long returnValCount[4];
  34        unsigned long long sum_cwnd;
  35        unsigned long long sum_rtt;
  36        unsigned long long sum_cwnd_cnt;
  37        long long sum_credit;
  38};
  39