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/*
* Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
*
* 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_H
#define __RC_MINSTREL_H
struct minstrel_rate {
int bitrate;
int rix;
unsigned int perfect_tx_time;
unsigned int ack_time;
int sample_limit;
unsigned int retry_count;
unsigned int retry_count_cts;
unsigned int retry_count_rtscts;
unsigned int adjusted_retry_count;
u32 success;
u32 attempts;
u32 last_attempts;
u32 last_success;
/* parts per thousand */
u32 cur_prob;
u32 probability;
/* per-rate throughput */
u32 cur_tp;
u64 succ_hist;
u64 att_hist;
};
struct minstrel_sta_info {
unsigned long stats_update;
unsigned int sp_ack_dur;
unsigned int rate_avg;
unsigned int lowest_rix;
unsigned int max_tp_rate;
unsigned int max_tp_rate2;
unsigned int max_prob_rate;
unsigned int packet_count;
unsigned int sample_count;
int sample_deferred;
unsigned int sample_idx;
unsigned int sample_column;
int n_rates;
struct minstrel_rate *r;
bool prev_sample;
/* sampling table */
u8 *sample_table;
#ifdef CONFIG_MAC80211_DEBUGFS
struct dentry *dbg_stats;
#endif
};
struct minstrel_priv {
struct ieee80211_hw *hw;
bool has_mrr;
unsigned int cw_min;
unsigned int cw_max;
unsigned int max_retry;
unsigned int ewma_level;
unsigned int segment_size;
unsigned int update_interval;
unsigned int lookaround_rate;
unsigned int lookaround_rate_mrr;
};
void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
void minstrel_remove_sta_debugfs(void *priv, void *priv_sta);
#endif
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