mac80211: revert faulty change that was breaking broadcast tx

Fixes: 0f68879 ("mac80211: add missing change for encap offload on devices with sw rate control")
Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/kernel/mac80211/patches/subsys/376-mac80211-add-rate-control-support-for-encap-offload.patch

@@ -26,26 +26,15 @@ Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
  }
 
  static void rc_send_low_basicrate(struct ieee80211_tx_rate *rate,
-@@ -396,6 +392,10 @@ static bool rate_control_send_low(struct
- 	int mcast_rate;
- 	bool use_basicrate = false;
-
-+	if (ieee80211_is_tx_data(txrc->skb) &&
-+	    info->flags & IEEE80211_TX_CTL_NO_ACK)
-+		return false;
-+
- 	if (!pubsta || rc_no_data_or_no_ack_use_min(txrc)) {
- 		__rate_control_send_low(txrc->hw, sband, pubsta, info,
- 					txrc->rate_idx_mask);
-@@ -870,7 +870,6 @@ void ieee80211_get_tx_rates(struct ieee8
+@@ -870,7 +866,6 @@ void ieee80211_get_tx_rates(struct ieee8
  			    int max_rates)
  {
  	struct ieee80211_sub_if_data *sdata;
 -	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
  	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  	struct ieee80211_supported_band *sband;
 
-@@ -882,7 +881,7 @@ void ieee80211_get_tx_rates(struct ieee8
+@@ -882,7 +877,7 @@ void ieee80211_get_tx_rates(struct ieee8
  	sdata = vif_to_sdata(vif);
  	sband = sdata->local->hw.wiphy->bands[info->band];