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        u32 throughput;
  37
  38        u64 succ_hist;
  39        u64 att_hist;
  40};
  41
  42struct minstrel_sta_info {
  43        unsigned long stats_update;
  44        unsigned int sp_ack_dur;
  45        unsigned int rate_avg;
  46
  47        unsigned int lowest_rix;
  48
  49        unsigned int max_tp_rate;
  50        unsigned int max_tp_rate2;
  51        unsigned int max_prob_rate;
  52        unsigned int packet_count;
  53        unsigned int sample_count;
  54        int sample_deferred;
  55
  56        unsigned int sample_idx;
  57        unsigned int sample_column;
  58
  59        int n_rates;
  60        struct minstrel_rate *r;
  61        bool prev_sample;
  62
  63        /* sampling table */
  64        u8 *sample_table;
  65
  66#ifdef CONFIG_MAC80211_DEBUGFS
  67        struct dentry *dbg_stats;
  68#endif
  69};
  70
  71struct minstrel_priv {
  72        struct ieee80211_hw *hw;
  73        bool has_mrr;
  74        unsigned int cw_min;
  75        unsigned int cw_max;
  76        unsigned int max_retry;
  77        unsigned int ewma_level;
  78        unsigned int segment_size;
  79        unsigned int update_interval;
  80        unsigned int lookaround_rate;
  81        unsigned int lookaround_rate_mrr;
  82};
  83
  84void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
  85void minstrel_remove_sta_debugfs(void *priv, void *priv_sta);
  86
  87#endif
  88