[B.A.T.M.A.N.] [PATCH 5/7] mac80211: minstrel - implement get_expected_throughput() API

Antonio Quartulli
2014-04-14T14:03:23Z

From: Antonio Quartulli <antonio@open-mesh.com>

Cc: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
---
net/mac80211/rc80211_minstrel.c | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 26fd94f..cd40bc0 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -657,6 +657,18 @@ minstrel_free(void *priv)
kfree(priv);
}

+static u32
+minstrel_get_expected_throughput(void *priv, void *priv_sta,
+ struct ieee80211_supported_band *sband)
+{
+ struct minstrel_sta_info *mi = priv_sta;
+ int idx = mi->max_tp_rate[0];
+ u32 bitrate, ret;
+
+ bitrate = sband->bitrates[mi->r[idx].rix].bitrate;
+ return bitrate * MINSTREL_TRUNC(mi->r[idx].probability * 1000) / 100;
+}
+
const struct rate_control_ops mac80211_minstrel = {
.name = "minstrel",
.tx_status = minstrel_tx_status,
@@ -670,6 +682,7 @@ const struct rate_control_ops mac80211_minstrel = {
.add_sta_debugfs = minstrel_add_sta_debugfs,
.remove_sta_debugfs = minstrel_remove_sta_debugfs,
#endif
+ .get_expected_throughput = minstrel_get_expected_throughput,
};

int __init
--
1.8.3.2