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path: root/package/mac80211/patches/550-radiotap_ps_buffer.patch
blob: 67d8f49a3d1a9cad6d569dd8ec048dfe19117f4e (plain)
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--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -274,6 +274,8 @@ struct ieee80211_bss_conf {
  * @IEEE80211_TX_INTFL_RETRANSMISSION: This frame is being retransmitted
  *	after TX status because the destination was asleep, it must not
  *	be modified again (no seqno assignment, crypto, etc.)
+ * @IEEE80211_TX_INTFL_HAS_RADIOTAP: This frame was injected and still
+ *	has a radiotap header at skb->data.
  */
 enum mac80211_tx_control_flags {
 	IEEE80211_TX_CTL_REQ_TX_STATUS		= BIT(0),
@@ -295,6 +297,7 @@ enum mac80211_tx_control_flags {
 	IEEE80211_TX_CTL_PSPOLL_RESPONSE	= BIT(17),
 	IEEE80211_TX_CTL_MORE_FRAMES		= BIT(18),
 	IEEE80211_TX_INTFL_RETRANSMISSION	= BIT(19),
+	IEEE80211_TX_INTFL_HAS_RADIOTAP		= BIT(20),
 };
 
 /**
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1110,7 +1110,7 @@ ieee80211_tx_prepare(struct ieee80211_su
 	tx->flags |= IEEE80211_TX_FRAGMENTED;
 
 	/* process and remove the injection radiotap header */
-	if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED)) {
+	if (unlikely(info->flags & IEEE80211_TX_INTFL_HAS_RADIOTAP)) {
 		if (!__ieee80211_parse_tx_radiotap(tx, skb))
 			return TX_DROP;
 
@@ -1119,6 +1119,7 @@ ieee80211_tx_prepare(struct ieee80211_su
 		 * the radiotap header that was present and pre-filled
 		 * 'tx' with tx control information.
 		 */
+		info->flags &= ~IEEE80211_TX_INTFL_HAS_RADIOTAP;
 	}
 
 	/*
@@ -1501,7 +1502,8 @@ static void ieee80211_xmit(struct ieee80
 		int hdrlen;
 		u16 len_rthdr;
 
-		info->flags |= IEEE80211_TX_CTL_INJECTED;
+		info->flags |= IEEE80211_TX_CTL_INJECTED |
+			       IEEE80211_TX_INTFL_HAS_RADIOTAP;
 
 		len_rthdr = ieee80211_get_radiotap_len(skb->data);
 		hdr = (struct ieee80211_hdr *)(skb->data + len_rthdr);