LXR linux/net/mac80211/rc80211

   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
  12struct minstrel_rate {
  13        int bitrate;
  14        int rix;
  15
  16        unsigned int perfect_tx_time;
  17        unsigned int ack_time;
  18
  19        int sample_limit;
  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;
  36
  37        u64 succ_hist;
  38        u64 att_hist;
  39};
  40
  41struct 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;
  60        bool prev_sample;
  61
  62        /* sampling table */
  63        u8 *sample_table;
  64
  65#ifdef CONFIG_MAC80211_DEBUGFS
  66        struct dentry *dbg_stats;
  67#endif
  68};
  69
  70struct 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
  83void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
  84void minstrel_remove_sta_debugfs(void *priv, void *priv_sta);
  85
  86#endif
  87