tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#ifndef __RC_MINSTREL_H
10#define __RC_MINSTREL_H
11
12struct minstrel_rate {
13 int bitrate;
14 int rix;
15
16 unsigned int perfect_tx_time;
17 unsigned int ack_time;
18
19 int sample_limit;
20 unsigned int retry_count;
21 unsigned int retry_count_cts;
22 unsigned int retry_count_rtscts;
23 unsigned int adjusted_retry_count;
24
25 u32 success;
26 u32 attempts;
27 u32 last_attempts;
28 u32 last_success;
29
30 /* parts per thousand */
31 u32 cur_prob;
32 u32 probability;
33
34 /* per-rate throughput */
35 u32 cur_tp;
36 u32 throughput;
37
38 u64 succ_hist;
39 u64 att_hist;
40};
41
42struct minstrel_sta_info {
43 unsigned long stats_update;
44 unsigned int sp_ack_dur;
45 unsigned int rate_avg;
46
47 unsigned int lowest_rix;
48
49 unsigned int max_tp_rate;
50 unsigned int max_tp_rate2;
51 unsigned int max_prob_rate;
52 unsigned int packet_count;
53 unsigned int sample_count;
54 int sample_deferred;
55
56 unsigned int sample_idx;
57 unsigned int sample_column;
58
59 int n_rates;
60 struct minstrel_rate *r;
61 bool prev_sample;
62
63 /* sampling table */
64 u8 *sample_table;
65
66#ifdef CONFIG_MAC80211_DEBUGFS
67 struct dentry *dbg_stats;
68#endif
69};
70
71struct minstrel_priv {
72 struct ieee80211_hw *hw;
73 bool has_mrr;
74 unsigned int cw_min;
75 unsigned int cw_max;
76 unsigned int max_retry;
77 unsigned int ewma_level;
78 unsigned int segment_size;
79 unsigned int update_interval;
80 unsigned int lookaround_rate;
81 unsigned int lookaround_rate_mrr;
82};
83
84void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
85void minstrel_remove_sta_debugfs(void *priv, void *priv_sta);
86
87#endif