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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 | ||
12 | struct minstrel_rate { | |
13 | int bitrate; | |
14 | int rix; | |
15 | ||
16 | unsigned int perfect_tx_time; | |
17 | unsigned int ack_time; | |
18 | ||
f4a8cd94 | 19 | int sample_limit; |
cccf129f FF |
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; | |
cccf129f FF |
36 | |
37 | u64 succ_hist; | |
38 | u64 att_hist; | |
39 | }; | |
40 | ||
41 | struct minstrel_sta_info { | |
42 | unsigned long stats_update; | |
43 | unsigned int sp_ack_dur; | |
44 | unsigned int rate_avg; | |
45 | ||
46 | unsigned int lowest_rix; | |
47 | ||
48 | unsigned int max_tp_rate; | |
49 | unsigned int max_tp_rate2; | |
50 | unsigned int max_prob_rate; | |
51 | unsigned int packet_count; | |
52 | unsigned int sample_count; | |
53 | int sample_deferred; | |
54 | ||
55 | unsigned int sample_idx; | |
56 | unsigned int sample_column; | |
57 | ||
58 | int n_rates; | |
59 | struct minstrel_rate *r; | |
f4a8cd94 | 60 | bool prev_sample; |
cccf129f FF |
61 | |
62 | /* sampling table */ | |
63 | u8 *sample_table; | |
64 | ||
65 | #ifdef CONFIG_MAC80211_DEBUGFS | |
66 | struct dentry *dbg_stats; | |
67 | #endif | |
68 | }; | |
69 | ||
70 | struct minstrel_priv { | |
71 | struct ieee80211_hw *hw; | |
72 | bool has_mrr; | |
73 | unsigned int cw_min; | |
74 | unsigned int cw_max; | |
75 | unsigned int max_retry; | |
76 | unsigned int ewma_level; | |
77 | unsigned int segment_size; | |
78 | unsigned int update_interval; | |
79 | unsigned int lookaround_rate; | |
80 | unsigned int lookaround_rate_mrr; | |
81 | }; | |
82 | ||
83 | void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir); | |
84 | void minstrel_remove_sta_debugfs(void *priv, void *priv_sta); | |
85 | ||
86 | #endif |