| /* |
| * 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 |