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  */
  11 struct 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
  19 struct 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 };