mac80211: fix mesh airtime link metric estimating
Airtime link metric estimation was broken in HT mesh, use
cfg80211_calculate_bitrate to get the right rate value.
Also factor out tx rate copying from sta_set_sinfo().
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index ab31cc5..677d659 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -336,6 +336,20 @@
rate->mcs = idx;
}
+void sta_set_rate_info_tx(struct sta_info *sta,
+ const struct ieee80211_tx_rate *rate,
+ struct rate_info *rinfo)
+{
+ rinfo->flags = 0;
+ if (rate->flags & IEEE80211_TX_RC_MCS)
+ rinfo->flags |= RATE_INFO_FLAGS_MCS;
+ if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+ if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
+ rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
+ rate_idx_to_bitrate(rinfo, sta, rate->idx);
+}
+
static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
@@ -378,14 +392,7 @@
sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
}
- sinfo->txrate.flags = 0;
- if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
- sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
- if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
- sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
- if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
- sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
- rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx);
+ sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
sinfo->rxrate.flags = 0;
if (sta->last_rx_rate_flag & RX_FLAG_HT)