xref: /linux/samples/bpf/hbm.h (revision 0898782247ae533d1f4e47a06bc5d4870931b284)
1187d0738Sbrakmo /* SPDX-License-Identifier: GPL-2.0
2187d0738Sbrakmo  *
3187d0738Sbrakmo  * Copyright (c) 2019 Facebook
4187d0738Sbrakmo  *
5187d0738Sbrakmo  * This program is free software; you can redistribute it and/or
6187d0738Sbrakmo  * modify it under the terms of version 2 of the GNU General Public
7187d0738Sbrakmo  * License as published by the Free Software Foundation.
8187d0738Sbrakmo  *
9187d0738Sbrakmo  * Include file for Host Bandwidth Management (HBM) programs
10187d0738Sbrakmo  */
11187d0738Sbrakmo struct hbm_vqueue {
12187d0738Sbrakmo 	struct bpf_spin_lock lock;
13187d0738Sbrakmo 	/* 4 byte hole */
14187d0738Sbrakmo 	unsigned long long lasttime;	/* In ns */
15187d0738Sbrakmo 	int credit;			/* In bytes */
16187d0738Sbrakmo 	unsigned int rate;		/* In bytes per NS << 20 */
17187d0738Sbrakmo };
18187d0738Sbrakmo 
19187d0738Sbrakmo struct hbm_queue_stats {
20187d0738Sbrakmo 	unsigned long rate;		/* in Mbps*/
21187d0738Sbrakmo 	unsigned long stats:1,		/* get HBM stats (marked, dropped,..) */
22ffd81558Sbrakmo 		loopback:1,		/* also limit flows using loopback */
23ffd81558Sbrakmo 		no_cn:1;		/* do not use cn flags */
24187d0738Sbrakmo 	unsigned long long pkts_marked;
25187d0738Sbrakmo 	unsigned long long bytes_marked;
26187d0738Sbrakmo 	unsigned long long pkts_dropped;
27187d0738Sbrakmo 	unsigned long long bytes_dropped;
28187d0738Sbrakmo 	unsigned long long pkts_total;
29187d0738Sbrakmo 	unsigned long long bytes_total;
30187d0738Sbrakmo 	unsigned long long firstPacketTime;
31187d0738Sbrakmo 	unsigned long long lastPacketTime;
32*d58c6f72Sbrakmo 	unsigned long long pkts_ecn_ce;
33*d58c6f72Sbrakmo 	unsigned long long returnValCount[4];
34*d58c6f72Sbrakmo 	unsigned long long sum_cwnd;
35*d58c6f72Sbrakmo 	unsigned long long sum_rtt;
36*d58c6f72Sbrakmo 	unsigned long long sum_cwnd_cnt;
37*d58c6f72Sbrakmo 	long long sum_credit;
38187d0738Sbrakmo };
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