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https://github.com/torvalds/linux
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d58c6f7212
Adds more stats to HBM, including average cwnd and rtt of all TCP flows, percents of packets that are ecn ce marked and distribution of return values. Signed-off-by: Lawrence Brakmo <brakmo@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright (c) 2019 Facebook
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* Include file for Host Bandwidth Management (HBM) programs
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*/
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struct hbm_vqueue {
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struct bpf_spin_lock lock;
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/* 4 byte hole */
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unsigned long long lasttime; /* In ns */
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int credit; /* In bytes */
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unsigned int rate; /* In bytes per NS << 20 */
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};
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struct hbm_queue_stats {
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unsigned long rate; /* in Mbps*/
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unsigned long stats:1, /* get HBM stats (marked, dropped,..) */
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loopback:1, /* also limit flows using loopback */
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no_cn:1; /* do not use cn flags */
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unsigned long long pkts_marked;
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unsigned long long bytes_marked;
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unsigned long long pkts_dropped;
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unsigned long long bytes_dropped;
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unsigned long long pkts_total;
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unsigned long long bytes_total;
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unsigned long long firstPacketTime;
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unsigned long long lastPacketTime;
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unsigned long long pkts_ecn_ce;
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unsigned long long returnValCount[4];
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unsigned long long sum_cwnd;
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unsigned long long sum_rtt;
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unsigned long long sum_cwnd_cnt;
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long long sum_credit;
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};
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