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-rw-r--r--package/mac80211/patches/550-radiotap_ps_buffer.patch48
1 files changed, 48 insertions, 0 deletions
diff --git a/package/mac80211/patches/550-radiotap_ps_buffer.patch b/package/mac80211/patches/550-radiotap_ps_buffer.patch
new file mode 100644
index 0000000000..67d8f49a3d
--- /dev/null
+++ b/package/mac80211/patches/550-radiotap_ps_buffer.patch
@@ -0,0 +1,48 @@
+--- 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);