xref: /OK3568_Linux_fs/kernel/samples/bpf/hbm.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun  *
3*4882a593Smuzhiyun  * Copyright (c) 2019 Facebook
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * This program is free software; you can redistribute it and/or
6*4882a593Smuzhiyun  * modify it under the terms of version 2 of the GNU General Public
7*4882a593Smuzhiyun  * License as published by the Free Software Foundation.
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * Include file for Host Bandwidth Management (HBM) programs
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun struct hbm_vqueue {
12*4882a593Smuzhiyun 	struct bpf_spin_lock lock;
13*4882a593Smuzhiyun 	/* 4 byte hole */
14*4882a593Smuzhiyun 	unsigned long long lasttime;	/* In ns */
15*4882a593Smuzhiyun 	int credit;			/* In bytes */
16*4882a593Smuzhiyun 	unsigned int rate;		/* In bytes per NS << 20 */
17*4882a593Smuzhiyun };
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun struct hbm_queue_stats {
20*4882a593Smuzhiyun 	unsigned long rate;		/* in Mbps*/
21*4882a593Smuzhiyun 	unsigned long stats:1,		/* get HBM stats (marked, dropped,..) */
22*4882a593Smuzhiyun 		loopback:1,		/* also limit flows using loopback */
23*4882a593Smuzhiyun 		no_cn:1;		/* do not use cn flags */
24*4882a593Smuzhiyun 	unsigned long long pkts_marked;
25*4882a593Smuzhiyun 	unsigned long long bytes_marked;
26*4882a593Smuzhiyun 	unsigned long long pkts_dropped;
27*4882a593Smuzhiyun 	unsigned long long bytes_dropped;
28*4882a593Smuzhiyun 	unsigned long long pkts_total;
29*4882a593Smuzhiyun 	unsigned long long bytes_total;
30*4882a593Smuzhiyun 	unsigned long long firstPacketTime;
31*4882a593Smuzhiyun 	unsigned long long lastPacketTime;
32*4882a593Smuzhiyun 	unsigned long long pkts_ecn_ce;
33*4882a593Smuzhiyun 	unsigned long long returnValCount[4];
34*4882a593Smuzhiyun 	unsigned long long sum_cwnd;
35*4882a593Smuzhiyun 	unsigned long long sum_rtt;
36*4882a593Smuzhiyun 	unsigned long long sum_cwnd_cnt;
37*4882a593Smuzhiyun 	long long sum_credit;
38*4882a593Smuzhiyun };
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