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qcacmn: Fix mic header derivation for 4 addr format packets

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Extract the QoS field for 4 address format packets from the correct offset.

Change-Id: Icae4750026c2834bc84eebccbe6fa835212ccb18
CRs-Fixed: 2257255
This commit is contained in:
Pramod Simha 2018-05-21 13:18:38 -07:00 • committed by nshrivas
commit 068e6b92df
1 changed files with 10 additions and 3 deletions
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13
dp/wifi3.0/dp_rx_defrag.c
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@ -572,9 +572,16 @@ static void dp_rx_defrag_michdr(const struct ieee80211_frame *wh0,
* a mgt type frame. It comes into picture for MFP.
*/
if (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_QOS) {
const struct ieee80211_qosframe *qwh =
(const struct ieee80211_qosframe *)wh;
hdr[12] = qwh->i_qos[0] & IEEE80211_QOS_TID;
if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) ==
IEEE80211_FC1_DIR_DSTODS) {
const struct ieee80211_qosframe_addr4 *qwh =
(const struct ieee80211_qosframe_addr4 *)wh;
hdr[12] = qwh->i_qos[0] & IEEE80211_QOS_TID;
} else {
const struct ieee80211_qosframe *qwh =
(const struct ieee80211_qosframe *)wh;
hdr[12] = qwh->i_qos[0] & IEEE80211_QOS_TID;
}
} else {
hdr[12] = 0;
}