mac80211: add a tx control flag to indicate PS-Poll/uAPSD response
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 1f0014b..cb37f82 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -460,6 +460,8 @@
* @IEEE80211_TX_CTL_DONTFRAG: Don't fragment this packet even if it
* would be fragmented by size (this is optional, only used for
* monitor injection).
+ * @IEEE80211_TX_CTL_PS_RESPONSE: This frame is a response to a poll
+ * frame (PS-Poll or uAPSD).
*
* Note: If you have to add new flags to the enumeration, then don't
* forget to update %IEEE80211_TX_TEMPORARY_FLAGS when necessary.
@@ -495,6 +497,7 @@
IEEE80211_TX_STATUS_EOSP = BIT(28),
IEEE80211_TX_CTL_USE_MINRATE = BIT(29),
IEEE80211_TX_CTL_DONTFRAG = BIT(30),
+ IEEE80211_TX_CTL_PS_RESPONSE = BIT(31),
};
#define IEEE80211_TX_CTL_STBC_SHIFT 23
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index a04c5671..b429798 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1132,6 +1132,7 @@
* ends the poll/service period.
*/
info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER |
+ IEEE80211_TX_CTL_PS_RESPONSE |
IEEE80211_TX_STATUS_EOSP |
IEEE80211_TX_CTL_REQ_TX_STATUS;
@@ -1269,7 +1270,8 @@
* STA may still remain is PS mode after this frame
* exchange.
*/
- info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
+ info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER |
+ IEEE80211_TX_CTL_PS_RESPONSE;
/*
* Use MoreData flag to indicate whether there are
