From: Fred Chou <fred.chou.nd@xxxxxxxxx>
HT Control field may also be present in management frames, as defined
in 8.2.4.1.10 of 802.11-2012. Account for this in calculation of
header length.
Signed-off-by: Fred Chou <fred.chou.nd@xxxxxxxxx>
---
net/wireless/util.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 1d2fcfa..ce9617c 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -297,6 +297,12 @@ unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc)
{
unsigned int hdrlen = 24;
+ if (ieee80211_is_mgmt(fc)) {
+ if (ieee80211_has_order(fc))
+ hdrlen += IEEE80211_HT_CTL_LEN;
+ goto out;
+ }
+
if (ieee80211_is_data(fc)) {
if (ieee80211_has_a4(fc))
hdrlen = 30;
--
1.9.1
--
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