---

yaml
---
r: 150452
b: refs/heads/master
c: a9c146b
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a8b50a0a966d7ac313f624c6ab4996231a5fe25a
+refs/heads/master: a9c146b369cd8facbbbec7d8b31440f6eaa43e03

trunk/drivers/net/wireless/iwlwifi/iwl-agn-rs.c

@@ -270,6 +270,8 @@ const static struct iwl_rate_mcs_info iwl_rate_mcs[IWL_RATE_COUNT] = {
   {"60", "64QAM 5/6"}
 };
 
+#define MCS_INDEX_PER_STREAM	(8)
+
 static inline u8 rs_extract_rate(u32 rate_n_flags)
 {
 	return (u8)(rate_n_flags & 0xFF);
@@ -2518,12 +2520,33 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
 		}
 	}
 
-	if (rate_idx < 0 || rate_idx > IWL_RATE_COUNT)
-		rate_idx = rate_lowest_index(sband, sta);
-	else if (sband->band == IEEE80211_BAND_5GHZ)
+	if (lq_sta->last_rate_n_flags & RATE_MCS_HT_MSK) {
 		rate_idx -= IWL_FIRST_OFDM_RATE;
-
+		/* 6M and 9M shared same MCS index */
+		rate_idx = (rate_idx > 0) ? (rate_idx - 1) : 0;
+		if (rs_extract_rate(lq_sta->last_rate_n_flags) >=
+		    IWL_RATE_MIMO3_6M_PLCP)
+			rate_idx = rate_idx + (2 * MCS_INDEX_PER_STREAM);
+		else if (rs_extract_rate(lq_sta->last_rate_n_flags) >=
+			 IWL_RATE_MIMO2_6M_PLCP)
+			rate_idx = rate_idx + MCS_INDEX_PER_STREAM;
+		info->control.rates[0].flags = IEEE80211_TX_RC_MCS;
+		if (lq_sta->last_rate_n_flags & RATE_MCS_SGI_MSK)
+			info->control.rates[0].flags |= IEEE80211_TX_RC_SHORT_GI;
+		if (lq_sta->last_rate_n_flags & RATE_MCS_DUP_MSK)
+			info->control.rates[0].flags |= IEEE80211_TX_RC_DUP_DATA;
+		if (lq_sta->last_rate_n_flags & RATE_MCS_FAT_MSK)
+			info->control.rates[0].flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+		if (lq_sta->last_rate_n_flags & RATE_MCS_GF_MSK)
+			info->control.rates[0].flags |= IEEE80211_TX_RC_GREEN_FIELD;
+	} else {
+		if (rate_idx < 0 || rate_idx > IWL_RATE_COUNT)
+			rate_idx = rate_lowest_index(sband, sta);
+		else if (sband->band == IEEE80211_BAND_5GHZ)
+			rate_idx -= IWL_FIRST_OFDM_RATE;
+	}
 	info->control.rates[0].idx = rate_idx;
+
 }
 
 static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta,