commit a1f2ba04cc92414b6b933289365eab878b0b2bf4
author Sara Sharon <sara.sharon@intel.com> Mon Feb 19 14:48:40 2018 +0200
committer Johannes Berg <johannes.berg@intel.com> Thu Feb 22 21:13:03 2018 +0100
tree ab2e4b79651071f5214a1632d5d72be6a2156428
parent 7299d6f7bfd1921c0cfb5e202155f1a5cfdb57d0

mac80211: add get TID helper

Extracting the TID from the QOS header is common enough
to justify helper.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/wpa.c

diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 785056c..58d0b25 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -340,7 +340,7 @@
 	a4_included = ieee80211_has_a4(hdr->frame_control);
 
 	if (ieee80211_is_data_qos(hdr->frame_control))
-		qos_tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
+		qos_tid = ieee80211_get_tid(hdr);
 	else
 		qos_tid = 0;
 
@@ -601,8 +601,7 @@
 	aad[23] = 0;
 
 	if (ieee80211_is_data_qos(hdr->frame_control))
-		qos_tid = *ieee80211_get_qos_ctl(hdr) &
-			IEEE80211_QOS_CTL_TID_MASK;
+		qos_tid = ieee80211_get_tid(hdr);
 	else
 		qos_tid = 0;
 
@@ -867,8 +866,7 @@
 		return RX_DROP_UNUSABLE;
 
 	if (ieee80211_is_data_qos(hdr->frame_control))
-		qos_tid = *ieee80211_get_qos_ctl(hdr) &
-				IEEE80211_QOS_CTL_TID_MASK;
+		qos_tid = ieee80211_get_tid(hdr);
 	else
 		qos_tid = 0;