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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;
- };
- struct minstrel_debugfs_info {
- size_t len;
- char buf[];
- };
- extern struct rate_control_ops mac80211_minstrel;
- void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
- void minstrel_remove_sta_debugfs(void *priv, void *priv_sta);
- /* debugfs */
- int minstrel_stats_open(struct inode *inode, struct file *file);
- ssize_t minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *ppos);
- int minstrel_stats_release(struct inode *inode, struct file *file);
- #endif
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