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Diffstat (limited to 'net/mac80211/rc80211_minstrel.c')
-rw-r--r--net/mac80211/rc80211_minstrel.c72
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;