xref: /openbmc/linux/samples/bpf/hbm.h (revision 9b93eb47)
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 	unsigned long long pkts_marked;
24 	unsigned long long bytes_marked;
25 	unsigned long long pkts_dropped;
26 	unsigned long long bytes_dropped;
27 	unsigned long long pkts_total;
28 	unsigned long long bytes_total;
29 	unsigned long long firstPacketTime;
30 	unsigned long long lastPacketTime;
31 };
32