projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| ec8aa669 FF |
1 | /* |
| 2 | * Copyright (C) 2010 Felix Fietkau <[email protected]> | |
| 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_HT_H | |
| 10 | #define __RC_MINSTREL_HT_H | |
| 11 | ||
| 12 | /* | |
| 13 | * The number of streams can be changed to 2 to reduce code | |
| 14 | * size and memory footprint. | |
| 15 | */ | |
| 8a0ee4fe KB |
16 | #define MINSTREL_MAX_STREAMS 3 |
| 17 | #define MINSTREL_HT_STREAM_GROUPS 4 /* BW(=2) * SGI(=2) */ | |
| 9208247d KB |
18 | #ifdef CONFIG_MAC80211_RC_MINSTREL_VHT |
| 19 | #define MINSTREL_VHT_STREAM_GROUPS 6 /* BW(=3) * SGI(=2) */ | |
| 20 | #else | |
| 21 | #define MINSTREL_VHT_STREAM_GROUPS 0 | |
| 22 | #endif | |
| 8a0ee4fe KB |
23 | |
| 24 | #define MINSTREL_HT_GROUPS_NB (MINSTREL_MAX_STREAMS * \ | |
| 25 | MINSTREL_HT_STREAM_GROUPS) | |
| 9208247d KB |
26 | #define MINSTREL_VHT_GROUPS_NB (MINSTREL_MAX_STREAMS * \ |
| 27 | MINSTREL_VHT_STREAM_GROUPS) | |
| 8a0ee4fe KB |
28 | #define MINSTREL_CCK_GROUPS_NB 1 |
| 29 | #define MINSTREL_GROUPS_NB (MINSTREL_HT_GROUPS_NB + \ | |
| 9208247d | 30 | MINSTREL_VHT_GROUPS_NB + \ |
| 8a0ee4fe KB |
31 | MINSTREL_CCK_GROUPS_NB) |
| 32 | ||
| 33 | #define MINSTREL_HT_GROUP_0 0 | |
| 34 | #define MINSTREL_CCK_GROUP (MINSTREL_HT_GROUP_0 + MINSTREL_HT_GROUPS_NB) | |
| 9208247d | 35 | #define MINSTREL_VHT_GROUP_0 (MINSTREL_CCK_GROUP + 1) |
| ec8aa669 | 36 | |
| 9208247d KB |
37 | #ifdef CONFIG_MAC80211_RC_MINSTREL_VHT |
| 38 | #define MCS_GROUP_RATES 10 | |
| 39 | #else | |
| 40 | #define MCS_GROUP_RATES 8 | |
| 41 | #endif | |
| ec8aa669 FF |
42 | |
| 43 | struct mcs_group { | |
| 44 | u32 flags; | |
| 45 | unsigned int streams; | |
| 46 | unsigned int duration[MCS_GROUP_RATES]; | |
| 47 | }; | |
| 48 | ||
| de66bfd8 JL |
49 | extern const struct mcs_group minstrel_mcs_groups[]; |
| 50 | ||
| ec8aa669 FF |
51 | struct minstrel_mcs_group_data { |
| 52 | u8 index; | |
| 53 | u8 column; | |
| 54 | ||
| 5935839a | 55 | /* sorted rate set within a MCS group*/ |
| d4d141ca KB |
56 | u16 max_group_tp_rate[MAX_THR_RATES]; |
| 57 | u16 max_group_prob_rate; | |
| ec8aa669 FF |
58 | |
| 59 | /* MCS rate statistics */ | |
| 60 | struct minstrel_rate_stats rates[MCS_GROUP_RATES]; | |
| 61 | }; | |
| 62 | ||
| 63 | struct minstrel_ht_sta { | |
| a8566662 FF |
64 | struct ieee80211_sta *sta; |
| 65 | ||
| ec8aa669 FF |
66 | /* ampdu length (average, per sampling interval) */ |
| 67 | unsigned int ampdu_len; | |
| 68 | unsigned int ampdu_packets; | |
| 69 | ||
| 70 | /* ampdu length (EWMA) */ | |
| 71 | unsigned int avg_ampdu_len; | |
| 72 | ||
| 5935839a | 73 | /* overall sorted rate set */ |
| d4d141ca KB |
74 | u16 max_tp_rate[MAX_THR_RATES]; |
| 75 | u16 max_prob_rate; | |
| ec8aa669 FF |
76 | |
| 77 | /* time of last status update */ | |
| 9134073b | 78 | unsigned long last_stats_update; |
| ec8aa669 FF |
79 | |
| 80 | /* overhead time in usec for each frame */ | |
| 81 | unsigned int overhead; | |
| 82 | unsigned int overhead_rtscts; | |
| 83 | ||
| 84 | unsigned int total_packets; | |
| 85 | unsigned int sample_packets; | |
| 86 | ||
| 87 | /* tx flags to add for frames for this sta */ | |
| 88 | u32 tx_flags; | |
| 89 | ||
| 90 | u8 sample_wait; | |
| 91 | u8 sample_tries; | |
| 92 | u8 sample_count; | |
| 93 | u8 sample_slow; | |
| 94 | ||
| 95 | /* current MCS group to be sampled */ | |
| 96 | u8 sample_group; | |
| 97 | ||
| a0497f9f FF |
98 | u8 cck_supported; |
| 99 | u8 cck_supported_short; | |
| 100 | ||
| 41d08583 FF |
101 | /* Bitfield of supported MCS rates of all groups */ |
| 102 | u16 supported[MINSTREL_GROUPS_NB]; | |
| 103 | ||
| ec8aa669 | 104 | /* MCS rate group info and statistics */ |
| 8a0ee4fe | 105 | struct minstrel_mcs_group_data groups[MINSTREL_GROUPS_NB]; |
| ec8aa669 FF |
106 | }; |
| 107 | ||
| 108 | struct minstrel_ht_sta_priv { | |
| 109 | union { | |
| 110 | struct minstrel_ht_sta ht; | |
| 111 | struct minstrel_sta_info legacy; | |
| 112 | }; | |
| 113 | #ifdef CONFIG_MAC80211_DEBUGFS | |
| 114 | struct dentry *dbg_stats; | |
| 2cae0b6a | 115 | struct dentry *dbg_stats_csv; |
| ec8aa669 FF |
116 | #endif |
| 117 | void *ratelist; | |
| 118 | void *sample_table; | |
| 119 | bool is_ht; | |
| 120 | }; | |
| 121 | ||
| 122 | void minstrel_ht_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir); | |
| 123 | void minstrel_ht_remove_sta_debugfs(void *priv, void *priv_sta); | |
| 50e55a8e TH |
124 | int minstrel_ht_get_tp_avg(struct minstrel_ht_sta *mi, int group, int rate, |
| 125 | int prob_ewma); | |
| ec8aa669 FF |
126 | |
| 127 | #endif |