1 files changed, 0 insertions, 98 deletions
diff --git a/package/mac80211/patches/540-mac80211_optimize_mcs_rate_mask.patch b/package/mac80211/patches/540-mac80211_optimize_mcs_rate_mask.patch
deleted file mode 100644
index 347c92013..000000000
--- a/package/mac80211/patches/540-mac80211_optimize_mcs_rate_mask.patch
+++ /dev/null
@@ -1,98 +0,0 @@
---- a/net/mac80211/ieee80211_i.h
-+++ b/net/mac80211/ieee80211_i.h
-@@ -739,6 +739,8 @@ struct ieee80211_sub_if_data {
- 
- 	/* bitmap of allowed (non-MCS) rate indexes for rate control */
- 	u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
-+
-+	bool rc_has_mcs_mask[IEEE80211_NUM_BANDS];
- 	u8  rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN];
- 
- 	union {
---- a/net/mac80211/cfg.c
-+++ b/net/mac80211/cfg.c
-@@ -2386,9 +2386,20 @@ static int ieee80211_set_bitrate_mask(st
- 	}
- 
- 	for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
-+		struct ieee80211_supported_band *sband = wiphy->bands[i];
-+
- 		sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
- 		memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
- 		       sizeof(mask->control[i].mcs));
-+
-+		sdata->rc_has_mcs_mask[i] = false;
-+		if (!sband)
-+			continue;
-+
-+		if (memcmp(sdata->rc_rateidx_mcs_mask[i],
-+			   sband->ht_cap.mcs.rx_mask,
-+			   sizeof(sband->ht_cap.mcs.rx_mask)) != 0)
-+			sdata->rc_has_mcs_mask[i] = true;
- 	}
- 
- 	return 0;
---- a/include/net/mac80211.h
-+++ b/include/net/mac80211.h
-@@ -4091,7 +4091,7 @@ void ieee80211_send_bar(struct ieee80211
-  *	(deprecated; this will be removed once drivers get updated to use
-  *	rate_idx_mask)
-  * @rate_idx_mask: user-requested (legacy) rate mask
-- * @rate_idx_mcs_mask: user-requested MCS rate mask
-+ * @rate_idx_mcs_mask: user-requested MCS rate mask (NULL if not in use)
-  * @bss: whether this frame is sent out in AP or IBSS mode
-  */
- struct ieee80211_tx_rate_control {
-@@ -4103,7 +4103,7 @@ struct ieee80211_tx_rate_control {
- 	bool rts, short_preamble;
- 	u8 max_rate_idx;
- 	u32 rate_idx_mask;
--	u8 rate_idx_mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
-+	u8 *rate_idx_mcs_mask;
- 	bool bss;
- };
- 
---- a/net/mac80211/tx.c
-+++ b/net/mac80211/tx.c
-@@ -641,9 +641,11 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
- 		txrc.max_rate_idx = -1;
- 	else
- 		txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
--	memcpy(txrc.rate_idx_mcs_mask,
--	       tx->sdata->rc_rateidx_mcs_mask[info->band],
--	       sizeof(txrc.rate_idx_mcs_mask));
-+
-+	if (tx->sdata->rc_has_mcs_mask[info->band])
-+		txrc.rate_idx_mcs_mask =
-+			tx->sdata->rc_rateidx_mcs_mask[info->band];
-+
- 	txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
- 		    tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
- 		    tx->sdata->vif.type == NL80211_IFTYPE_ADHOC);
-@@ -2511,8 +2513,6 @@ struct sk_buff *ieee80211_beacon_get_tim
- 		txrc.max_rate_idx = -1;
- 	else
- 		txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
--	memcpy(txrc.rate_idx_mcs_mask, sdata->rc_rateidx_mcs_mask[band],
--	       sizeof(txrc.rate_idx_mcs_mask));
- 	txrc.bss = true;
- 	rate_control_get_rate(sdata, NULL, &txrc);
- 
---- a/net/mac80211/rate.c
-+++ b/net/mac80211/rate.c
-@@ -460,9 +460,12 @@ void rate_control_get_rate(struct ieee80
- 	 * the common case.
- 	 */
- 	mask = sdata->rc_rateidx_mask[info->band];
--	memcpy(mcs_mask, sdata->rc_rateidx_mcs_mask[info->band],
--	       sizeof(mcs_mask));
--	if (mask != (1 << txrc->sband->n_bitrates) - 1) {
-+	if (mask != (1 << txrc->sband->n_bitrates) - 1 || txrc->rate_idx_mcs_mask) {
-+		if (txrc->rate_idx_mcs_mask)
-+			memcpy(mcs_mask, txrc->rate_idx_mcs_mask, sizeof(mcs_mask));
-+		else
-+			memset(mcs_mask, 0xff, sizeof(mcs_mask));
-+
- 		if (sta) {
- 			/* Filter out rates that the STA does not support */
- 			mask &= sta->sta.supp_rates[info->band];