/* * Copyright (C) 2010 Felix Fietkau * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __RC_MINSTREL_HT_H #define __RC_MINSTREL_HT_H /* * The number of streams can be changed to 2 to reduce code * size and memory footprint. */ #define MINSTREL_MAX_STREAMS 3 #define MINSTREL_HT_STREAM_GROUPS 4 /* BW(=2) * SGI(=2) */ #ifdef CONFIG_MAC80211_RC_MINSTREL_VHT #define MINSTREL_VHT_STREAM_GROUPS 6 /* BW(=3) * SGI(=2) */ #else #define MINSTREL_VHT_STREAM_GROUPS 0 #endif #define MINSTREL_HT_GROUPS_NB (MINSTREL_MAX_STREAMS * \ MINSTREL_HT_STREAM_GROUPS) #define MINSTREL_VHT_GROUPS_NB (MINSTREL_MAX_STREAMS * \ MINSTREL_VHT_STREAM_GROUPS) #define MINSTREL_CCK_GROUPS_NB 1 #define MINSTREL_GROUPS_NB (MINSTREL_HT_GROUPS_NB + \ MINSTREL_VHT_GROUPS_NB + \ MINSTREL_CCK_GROUPS_NB) #define MINSTREL_HT_GROUP_0 0 #define MINSTREL_CCK_GROUP (MINSTREL_HT_GROUP_0 + MINSTREL_HT_GROUPS_NB) #define MINSTREL_VHT_GROUP_0 (MINSTREL_CCK_GROUP + 1) #ifdef CONFIG_MAC80211_RC_MINSTREL_VHT #define MCS_GROUP_RATES 10 #else #define MCS_GROUP_RATES 8 #endif struct mcs_group { u32 flags; unsigned int streams; unsigned int duration[MCS_GROUP_RATES]; }; extern const struct mcs_group minstrel_mcs_groups[]; struct minstrel_mcs_group_data { u8 index; u8 column; /* bitfield of supported MCS rates of this group */ u16 supported; /* sorted rate set within a MCS group*/ u16 max_group_tp_rate[MAX_THR_RATES]; u16 max_group_prob_rate; /* MCS rate statistics */ struct minstrel_rate_stats rates[MCS_GROUP_RATES]; }; struct minstrel_ht_sta { struct ieee80211_sta *sta; /* ampdu length (average, per sampling interval) */ unsigned int ampdu_len; unsigned int ampdu_packets; /* ampdu length (EWMA) */ unsigned int avg_ampdu_len; /* overall sorted rate set */ u16 max_tp_rate[MAX_THR_RATES]; u16 max_prob_rate; /* time of last status update */ unsigned long last_stats_update; /* overhead time in usec for each frame */ unsigned int overhead; unsigned int overhead_rtscts; unsigned int total_packets; unsigned int sample_packets; /* tx flags to add for frames for this sta */ u32 tx_flags; u8 sample_wait; u8 sample_tries; u8 sample_count; u8 sample_slow; /* current MCS group to be sampled */ u8 sample_group; u8 cck_supported; u8 cck_supported_short; /* MCS rate group info and statistics */ struct minstrel_mcs_group_data groups[MINSTREL_GROUPS_NB]; }; struct minstrel_ht_sta_priv { union { struct minstrel_ht_sta ht; struct minstrel_sta_info legacy; }; #ifdef CONFIG_MAC80211_DEBUGFS struct dentry *dbg_stats; struct dentry *dbg_stats_csv; #endif void *ratelist; void *sample_table; bool is_ht; }; void minstrel_ht_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir); void minstrel_ht_remove_sta_debugfs(void *priv, void *priv_sta); int minstrel_ht_get_tp_avg(struct minstrel_ht_sta *mi, int group, int rate, int prob_ewma); #endif rs/usb?h=nds-private-remove&id=deb88a2a19e85842d79ba96b05031739ec327ff4'>usb/misc

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