1 files changed, 29 insertions, 43 deletions

diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index f6d69dab07a3..759ddd8bf0f4 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -169,30 +169,20 @@ minstrel_tx_status(void *priv, struct ieee80211_supported_band *sband,
 {
         struct minstrel_sta_info *mi = priv_sta;
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-        struct ieee80211_tx_altrate *ar = info->status.retries;
-        struct minstrel_priv *mp = priv;
-        int i, ndx, tries;
-        int success = 0;
+        struct ieee80211_tx_rate *ar = info->status.rates;
+        int i, ndx;
+        int success;
 
-        if (!info->status.excessive_retries)
-                success = 1;
+        success = !!(info->flags & IEEE80211_TX_STAT_ACK);
 
-        if (!mp->has_mrr || (ar[0].rate_idx < 0)) {
-                ndx = rix_to_ndx(mi, info->tx_rate_idx);
-                tries = info->status.retry_count + 1;
-                mi->r[ndx].success += success;
-                mi->r[ndx].attempts += tries;
-                return;
-        }
-
-        for (i = 0; i < 4; i++) {
-                if (ar[i].rate_idx < 0)
+        for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+                if (ar[i].idx < 0)
                         break;
 
-                ndx = rix_to_ndx(mi, ar[i].rate_idx);
-                mi->r[ndx].attempts += ar[i].limit + 1;
+                ndx = rix_to_ndx(mi, ar[i].idx);
+                mi->r[ndx].attempts += ar[i].count;
 
-                if ((i != 3) && (ar[i + 1].rate_idx < 0))
+                if ((i != IEEE80211_TX_MAX_RATES - 1) && (ar[i + 1].idx < 0))
                         mi->r[ndx].success += success;
         }
 
@@ -210,9 +200,9 @@ minstrel_get_retry_count(struct minstrel_rate *mr,
 {
         unsigned int retry = mr->adjusted_retry_count;
 
-        if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+        if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
                 retry = max(2U, min(mr->retry_count_rtscts, retry));
-        else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)
+        else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
                 retry = max(2U, min(mr->retry_count_cts, retry));
         return retry;
 }
@@ -234,14 +224,15 @@ minstrel_get_next_sample(struct minstrel_sta_info *mi)
 }
 
 void
-minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
-                  struct ieee80211_sta *sta, void *priv_sta,
-                  struct sk_buff *skb, struct rate_selection *sel)
+minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
+                  void *priv_sta, struct ieee80211_tx_rate_control *txrc)
 {
+        struct sk_buff *skb = txrc->skb;
+        struct ieee80211_supported_band *sband = txrc->sband;
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
         struct minstrel_sta_info *mi = priv_sta;
         struct minstrel_priv *mp = priv;
-        struct ieee80211_tx_altrate *ar = info->control.retries;
+        struct ieee80211_tx_rate *ar = info->control.rates;
         unsigned int ndx, sample_ndx = 0;
         bool mrr;
         bool sample_slower = false;
@@ -251,16 +242,12 @@ minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
         int sample_rate;
 
         if (!sta || !mi || use_low_rate(skb)) {
-                sel->rate_idx = rate_lowest_index(sband, sta);
+                ar[0].idx = rate_lowest_index(sband, sta);
+                ar[0].count = mp->max_retry;
                 return;
         }
 
-        mrr = mp->has_mrr;
-
-        /* mac80211 does not allow mrr for RTS/CTS */
-        if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
-            (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT))
-                mrr = false;
+        mrr = mp->has_mrr && !txrc->rts && !txrc->bss_conf->use_cts_prot;
 
         if (time_after(jiffies, mi->stats_update + (mp->update_interval *
                         HZ) / 1000))
@@ -315,13 +302,12 @@ minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
                         mi->sample_deferred++;
                 }
         }
-        sel->rate_idx = mi->r[ndx].rix;
-        info->control.retry_limit = minstrel_get_retry_count(&mi->r[ndx], info);
+        ar[0].idx = mi->r[ndx].rix;
+        ar[0].count = minstrel_get_retry_count(&mi->r[ndx], info);
 
         if (!mrr) {
-                ar[0].rate_idx = mi->lowest_rix;
-                ar[0].limit = mp->max_retry;
-                ar[1].rate_idx = -1;
+                ar[1].idx = mi->lowest_rix;
+                ar[1].count = mp->max_retry;
                 return;
         }
 
@@ -336,9 +322,9 @@ minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
         }
         mrr_ndx[1] = mi->max_prob_rate;
         mrr_ndx[2] = 0;
-        for (i = 0; i < 3; i++) {
-                ar[i].rate_idx = mi->r[mrr_ndx[i]].rix;
-                ar[i].limit = mi->r[mrr_ndx[i]].adjusted_retry_count;
+        for (i = 1; i < 4; i++) {
+                ar[i].idx = mi->r[mrr_ndx[i - 1]].rix;
+                ar[i].count = mi->r[mrr_ndx[i - 1]].adjusted_retry_count;
         }
 }
 
@@ -532,13 +518,13 @@ minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
         /* maximum time that the hw is allowed to stay in one MRR segment */
         mp->segment_size = 6000;
 
-        if (hw->max_altrate_tries > 0)
-                mp->max_retry = hw->max_altrate_tries;
+        if (hw->max_rate_tries > 0)
+                mp->max_retry = hw->max_rate_tries;
         else
                 /* safe default, does not necessarily have to match hw properties */
                 mp->max_retry = 7;
 
-        if (hw->max_altrates >= 3)
+        if (hw->max_rates >= 4)
                 mp->has_mrr = true;
 
         mp->hw = hw;