diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2008-10-05 18:07:45 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-10-06 18:14:57 -0400 |
| commit | cccf129f820e431d84690729254a32f1709328fb (patch) | |
| tree | 0539c013be61ba6c8eeb0790ccb7df50bf2cb3bd /net/mac80211/rc80211_minstrel.h | |
| parent | 2f7fe87034298d94301315ba4bb65c7284c709d0 (diff) | |
| download | linux-cccf129f820e431d84690729254a32f1709328fb.tar.gz linux-cccf129f820e431d84690729254a32f1709328fb.tar.bz2 linux-cccf129f820e431d84690729254a32f1709328fb.zip | |
mac80211: add the 'minstrel' rate control algorithm
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/rc80211_minstrel.h')
| -rw-r--r-- | net/mac80211/rc80211_minstrel.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h new file mode 100644 index 000000000000..9a90a6aee043 --- /dev/null +++ b/net/mac80211/rc80211_minstrel.h @@ -0,0 +1,85 @@ +/* + * 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; + + 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; + u32 throughput; + + 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; + + /* 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 |