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mac80211: add fixed_rate management to minstrel rc

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Add the capability to use a fixed modulation rate to minstrel rate controller

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Lorenzo Bianconi 2013-08-27 16:59:46 +02:00 committed by Johannes Berg
parent 392b9ffb05
commit 45966aebad
1 changed files with 14 additions and 0 deletions
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14
net/mac80211/rc80211_minstrel.c
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@ -203,6 +203,15 @@ minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
memcpy(mi->max_tp_rate, tmp_tp_rate, sizeof(mi->max_tp_rate));
mi->max_prob_rate = tmp_prob_rate;
#ifdef CONFIG_MAC80211_DEBUGFS
/* use fixed index if set */
if (mp->fixed_rate_idx != -1) {
mi->max_tp_rate[0] = mp->fixed_rate_idx;
mi->max_tp_rate[1] = mp->fixed_rate_idx;
mi->max_prob_rate = mp->fixed_rate_idx;
}
#endif
/* Reset update timer */
mi->stats_update = jiffies;
@ -310,6 +319,11 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
/* increase sum packet counter */
mi->packet_count++;
#ifdef CONFIG_MAC80211_DEBUGFS
if (mp->fixed_rate_idx != -1)
return;
#endif
delta = (mi->packet_count * sampling_ratio / 100) -
(mi->sample_count + mi->sample_deferred / 2);