| Felix Fietkau | cccf129 | 2008-10-05 18:07:45 +0200 | [diff] [blame] | 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 | |
| 12 | struct minstrel_rate { |
| 13 | int bitrate; |
| 14 | int rix; |
| 15 | |
| 16 | unsigned int perfect_tx_time; |
| 17 | unsigned int ack_time; |
| 18 | |
| Felix Fietkau | f4a8cd9 | 2008-10-15 19:13:59 +0200 | [diff] [blame] | 19 | int sample_limit; |
| Felix Fietkau | cccf129 | 2008-10-05 18:07:45 +0200 | [diff] [blame] | 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; |
| Felix Fietkau | cccf129 | 2008-10-05 18:07:45 +0200 | [diff] [blame] | 36 | |
| 37 | u64 succ_hist; |
| 38 | u64 att_hist; |
| 39 | }; |
| 40 | |
| 41 | struct 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; |
| Felix Fietkau | f4a8cd9 | 2008-10-15 19:13:59 +0200 | [diff] [blame] | 60 | bool prev_sample; |
| Felix Fietkau | cccf129 | 2008-10-05 18:07:45 +0200 | [diff] [blame] | 61 | |
| 62 | /* sampling table */ |
| 63 | u8 *sample_table; |
| 64 | |
| 65 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 66 | struct dentry *dbg_stats; |
| 67 | #endif |
| 68 | }; |
| 69 | |
| 70 | struct 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 | |
| Felix Fietkau | 44ac91e | 2010-03-01 22:17:38 +0100 | [diff] [blame] | 83 | struct minstrel_debugfs_info { |
| 84 | size_t len; |
| 85 | char buf[]; |
| 86 | }; |
| 87 | |
| Felix Fietkau | eae4475 | 2010-03-01 22:21:40 +0100 | [diff] [blame] | 88 | extern struct rate_control_ops mac80211_minstrel; |
| Felix Fietkau | cccf129 | 2008-10-05 18:07:45 +0200 | [diff] [blame] | 89 | void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir); |
| 90 | void minstrel_remove_sta_debugfs(void *priv, void *priv_sta); |
| 91 | |
| Felix Fietkau | eae4475 | 2010-03-01 22:21:40 +0100 | [diff] [blame] | 92 | /* debugfs */ |
| 93 | int minstrel_stats_open(struct inode *inode, struct file *file); |
| 94 | ssize_t minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *ppos); |
| 95 | int minstrel_stats_release(struct inode *inode, struct file *file); |
| 96 | |
| Felix Fietkau | cccf129 | 2008-10-05 18:07:45 +0200 | [diff] [blame] | 97 | #endif |