1ec8aa669SFelix Fietkau /* 2ec8aa669SFelix Fietkau * Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org> 3ec8aa669SFelix Fietkau * 4ec8aa669SFelix Fietkau * This program is free software; you can redistribute it and/or modify 5ec8aa669SFelix Fietkau * it under the terms of the GNU General Public License version 2 as 6ec8aa669SFelix Fietkau * published by the Free Software Foundation. 7ec8aa669SFelix Fietkau */ 8ec8aa669SFelix Fietkau 9ec8aa669SFelix Fietkau #ifndef __RC_MINSTREL_HT_H 10ec8aa669SFelix Fietkau #define __RC_MINSTREL_HT_H 11ec8aa669SFelix Fietkau 12ec8aa669SFelix Fietkau /* 13ec8aa669SFelix Fietkau * The number of streams can be changed to 2 to reduce code 14ec8aa669SFelix Fietkau * size and memory footprint. 15ec8aa669SFelix Fietkau */ 16ec8aa669SFelix Fietkau #define MINSTREL_MAX_STREAMS 3 178a0ee4feSKarl Beldan #define MINSTREL_HT_STREAM_GROUPS 4 /* BW(=2) * SGI(=2) */ 189208247dSKarl Beldan #ifdef CONFIG_MAC80211_RC_MINSTREL_VHT 199208247dSKarl Beldan #define MINSTREL_VHT_STREAM_GROUPS 6 /* BW(=3) * SGI(=2) */ 209208247dSKarl Beldan #else 219208247dSKarl Beldan #define MINSTREL_VHT_STREAM_GROUPS 0 229208247dSKarl Beldan #endif 238a0ee4feSKarl Beldan 248a0ee4feSKarl Beldan #define MINSTREL_HT_GROUPS_NB (MINSTREL_MAX_STREAMS * \ 258a0ee4feSKarl Beldan MINSTREL_HT_STREAM_GROUPS) 269208247dSKarl Beldan #define MINSTREL_VHT_GROUPS_NB (MINSTREL_MAX_STREAMS * \ 279208247dSKarl Beldan MINSTREL_VHT_STREAM_GROUPS) 288a0ee4feSKarl Beldan #define MINSTREL_CCK_GROUPS_NB 1 298a0ee4feSKarl Beldan #define MINSTREL_GROUPS_NB (MINSTREL_HT_GROUPS_NB + \ 309208247dSKarl Beldan MINSTREL_VHT_GROUPS_NB + \ 318a0ee4feSKarl Beldan MINSTREL_CCK_GROUPS_NB) 328a0ee4feSKarl Beldan 338a0ee4feSKarl Beldan #define MINSTREL_HT_GROUP_0 0 348a0ee4feSKarl Beldan #define MINSTREL_CCK_GROUP (MINSTREL_HT_GROUP_0 + MINSTREL_HT_GROUPS_NB) 359208247dSKarl Beldan #define MINSTREL_VHT_GROUP_0 (MINSTREL_CCK_GROUP + 1) 36ec8aa669SFelix Fietkau 379208247dSKarl Beldan #ifdef CONFIG_MAC80211_RC_MINSTREL_VHT 389208247dSKarl Beldan #define MCS_GROUP_RATES 10 399208247dSKarl Beldan #else 40ec8aa669SFelix Fietkau #define MCS_GROUP_RATES 8 419208247dSKarl Beldan #endif 42ec8aa669SFelix Fietkau 43ec8aa669SFelix Fietkau struct mcs_group { 44ec8aa669SFelix Fietkau u32 flags; 45ec8aa669SFelix Fietkau unsigned int streams; 46ec8aa669SFelix Fietkau unsigned int duration[MCS_GROUP_RATES]; 47ec8aa669SFelix Fietkau }; 48ec8aa669SFelix Fietkau 49de66bfd8SJohn W. Linville extern const struct mcs_group minstrel_mcs_groups[]; 50de66bfd8SJohn W. Linville 51ec8aa669SFelix Fietkau struct minstrel_mcs_group_data { 52ec8aa669SFelix Fietkau u8 index; 53ec8aa669SFelix Fietkau u8 column; 54ec8aa669SFelix Fietkau 55ec8aa669SFelix Fietkau /* bitfield of supported MCS rates of this group */ 569208247dSKarl Beldan u16 supported; 57ec8aa669SFelix Fietkau 585935839aSThomas Huehn /* sorted rate set within a MCS group*/ 59d4d141caSKarl Beldan u16 max_group_tp_rate[MAX_THR_RATES]; 60d4d141caSKarl Beldan u16 max_group_prob_rate; 61ec8aa669SFelix Fietkau 62ec8aa669SFelix Fietkau /* MCS rate statistics */ 63ec8aa669SFelix Fietkau struct minstrel_rate_stats rates[MCS_GROUP_RATES]; 64ec8aa669SFelix Fietkau }; 65ec8aa669SFelix Fietkau 66ec8aa669SFelix Fietkau struct minstrel_ht_sta { 67a8566662SFelix Fietkau struct ieee80211_sta *sta; 68a8566662SFelix Fietkau 69ec8aa669SFelix Fietkau /* ampdu length (average, per sampling interval) */ 70ec8aa669SFelix Fietkau unsigned int ampdu_len; 71ec8aa669SFelix Fietkau unsigned int ampdu_packets; 72ec8aa669SFelix Fietkau 73ec8aa669SFelix Fietkau /* ampdu length (EWMA) */ 74ec8aa669SFelix Fietkau unsigned int avg_ampdu_len; 75ec8aa669SFelix Fietkau 765935839aSThomas Huehn /* overall sorted rate set */ 77d4d141caSKarl Beldan u16 max_tp_rate[MAX_THR_RATES]; 78d4d141caSKarl Beldan u16 max_prob_rate; 79ec8aa669SFelix Fietkau 80ec8aa669SFelix Fietkau /* time of last status update */ 819134073bSThomas Huehn unsigned long last_stats_update; 82ec8aa669SFelix Fietkau 83ec8aa669SFelix Fietkau /* overhead time in usec for each frame */ 84ec8aa669SFelix Fietkau unsigned int overhead; 85ec8aa669SFelix Fietkau unsigned int overhead_rtscts; 86ec8aa669SFelix Fietkau 87ec8aa669SFelix Fietkau unsigned int total_packets; 88ec8aa669SFelix Fietkau unsigned int sample_packets; 89ec8aa669SFelix Fietkau 90ec8aa669SFelix Fietkau /* tx flags to add for frames for this sta */ 91ec8aa669SFelix Fietkau u32 tx_flags; 92ec8aa669SFelix Fietkau 93ec8aa669SFelix Fietkau u8 sample_wait; 94ec8aa669SFelix Fietkau u8 sample_tries; 95ec8aa669SFelix Fietkau u8 sample_count; 96ec8aa669SFelix Fietkau u8 sample_slow; 97ec8aa669SFelix Fietkau 98ec8aa669SFelix Fietkau /* current MCS group to be sampled */ 99ec8aa669SFelix Fietkau u8 sample_group; 100ec8aa669SFelix Fietkau 101a0497f9fSFelix Fietkau u8 cck_supported; 102a0497f9fSFelix Fietkau u8 cck_supported_short; 103a0497f9fSFelix Fietkau 104ec8aa669SFelix Fietkau /* MCS rate group info and statistics */ 1058a0ee4feSKarl Beldan struct minstrel_mcs_group_data groups[MINSTREL_GROUPS_NB]; 106ec8aa669SFelix Fietkau }; 107ec8aa669SFelix Fietkau 108ec8aa669SFelix Fietkau struct minstrel_ht_sta_priv { 109ec8aa669SFelix Fietkau union { 110ec8aa669SFelix Fietkau struct minstrel_ht_sta ht; 111ec8aa669SFelix Fietkau struct minstrel_sta_info legacy; 112ec8aa669SFelix Fietkau }; 113ec8aa669SFelix Fietkau #ifdef CONFIG_MAC80211_DEBUGFS 114ec8aa669SFelix Fietkau struct dentry *dbg_stats; 1152cae0b6aSThomas Huehn struct dentry *dbg_stats_csv; 116ec8aa669SFelix Fietkau #endif 117ec8aa669SFelix Fietkau void *ratelist; 118ec8aa669SFelix Fietkau void *sample_table; 119ec8aa669SFelix Fietkau bool is_ht; 120ec8aa669SFelix Fietkau }; 121ec8aa669SFelix Fietkau 122ec8aa669SFelix Fietkau void minstrel_ht_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir); 123ec8aa669SFelix Fietkau void minstrel_ht_remove_sta_debugfs(void *priv, void *priv_sta); 124ec8aa669SFelix Fietkau 125ec8aa669SFelix Fietkau #endif 126