projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| ec8aa669 FF |
1 | /* |
| 2 | * Copyright (C) 2010 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_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 | */ | |
| 16 | #define MINSTREL_MAX_STREAMS 3 | |
| 17 | #define MINSTREL_STREAM_GROUPS 4 | |
| 18 | ||
| ec8aa669 FF |
19 | #define MCS_GROUP_RATES 8 |
| 20 | ||
| 21 | struct mcs_group { | |
| 22 | u32 flags; | |
| 23 | unsigned int streams; | |
| 24 | unsigned int duration[MCS_GROUP_RATES]; | |
| 25 | }; | |
| 26 | ||
| de66bfd8 JL |
27 | extern const struct mcs_group minstrel_mcs_groups[]; |
| 28 | ||
| ec8aa669 FF |
29 | struct minstrel_mcs_group_data { |
| 30 | u8 index; | |
| 31 | u8 column; | |
| 32 | ||
| 33 | /* bitfield of supported MCS rates of this group */ | |
| 34 | u8 supported; | |
| 35 | ||
| 5935839a TH |
36 | /* sorted rate set within a MCS group*/ |
| 37 | u8 max_group_tp_rate[MAX_THR_RATES]; | |
| 38 | u8 max_group_prob_rate; | |
| ec8aa669 FF |
39 | |
| 40 | /* MCS rate statistics */ | |
| 41 | struct minstrel_rate_stats rates[MCS_GROUP_RATES]; | |
| 42 | }; | |
| 43 | ||
| 44 | struct minstrel_ht_sta { | |
| a8566662 FF |
45 | struct ieee80211_sta *sta; |
| 46 | ||
| ec8aa669 FF |
47 | /* ampdu length (average, per sampling interval) */ |
| 48 | unsigned int ampdu_len; | |
| 49 | unsigned int ampdu_packets; | |
| 50 | ||
| 51 | /* ampdu length (EWMA) */ | |
| 52 | unsigned int avg_ampdu_len; | |
| 53 | ||
| 5935839a TH |
54 | /* overall sorted rate set */ |
| 55 | u8 max_tp_rate[MAX_THR_RATES]; | |
| 56 | u8 max_prob_rate; | |
| ec8aa669 FF |
57 | |
| 58 | /* time of last status update */ | |
| 59 | unsigned long stats_update; | |
| 60 | ||
| 61 | /* overhead time in usec for each frame */ | |
| 62 | unsigned int overhead; | |
| 63 | unsigned int overhead_rtscts; | |
| 64 | ||
| 65 | unsigned int total_packets; | |
| 66 | unsigned int sample_packets; | |
| 67 | ||
| 68 | /* tx flags to add for frames for this sta */ | |
| 69 | u32 tx_flags; | |
| 70 | ||
| 71 | u8 sample_wait; | |
| 72 | u8 sample_tries; | |
| 73 | u8 sample_count; | |
| 74 | u8 sample_slow; | |
| 75 | ||
| 76 | /* current MCS group to be sampled */ | |
| 77 | u8 sample_group; | |
| 78 | ||
| a0497f9f FF |
79 | u8 cck_supported; |
| 80 | u8 cck_supported_short; | |
| 81 | ||
| ec8aa669 | 82 | /* MCS rate group info and statistics */ |
| a0497f9f | 83 | struct minstrel_mcs_group_data groups[MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS + 1]; |
| ec8aa669 FF |
84 | }; |
| 85 | ||
| 86 | struct minstrel_ht_sta_priv { | |
| 87 | union { | |
| 88 | struct minstrel_ht_sta ht; | |
| 89 | struct minstrel_sta_info legacy; | |
| 90 | }; | |
| 91 | #ifdef CONFIG_MAC80211_DEBUGFS | |
| 92 | struct dentry *dbg_stats; | |
| 93 | #endif | |
| 94 | void *ratelist; | |
| 95 | void *sample_table; | |
| 96 | bool is_ht; | |
| 97 | }; | |
| 98 | ||
| 99 | void minstrel_ht_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir); | |
| 100 | void minstrel_ht_remove_sta_debugfs(void *priv, void *priv_sta); | |
| 101 | ||
| 102 | #endif |