linux/samples/bpf/hbm.h

39 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (c) 2019 Facebook
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* Include file for Host Bandwidth Management (HBM) programs
*/
struct hbm_vqueue {
struct bpf_spin_lock lock;
/* 4 byte hole */
unsigned long long lasttime; /* In ns */
int credit; /* In bytes */
unsigned int rate; /* In bytes per NS << 20 */
};
struct hbm_queue_stats {
unsigned long rate; /* in Mbps*/
unsigned long stats:1, /* get HBM stats (marked, dropped,..) */
loopback:1, /* also limit flows using loopback */
no_cn:1; /* do not use cn flags */
unsigned long long pkts_marked;
unsigned long long bytes_marked;
unsigned long long pkts_dropped;
unsigned long long bytes_dropped;
unsigned long long pkts_total;
unsigned long long bytes_total;
unsigned long long firstPacketTime;
unsigned long long lastPacketTime;
unsigned long long pkts_ecn_ce;
unsigned long long returnValCount[4];
unsigned long long sum_cwnd;
unsigned long long sum_rtt;
unsigned long long sum_cwnd_cnt;
long long sum_credit;
};