From: Marek Kwaczynski <[email protected]>

New wmi-tlv firmware uses HTT 3.0 protocol which
uses TX_FRM command for management frames (instead
of a dedicated command). To support PMF it is
necessary to provide explicit tailroom.

Signed-off-by: Marek Kwaczynski <[email protected]>
Signed-off-by: Michal Kazior <[email protected]>
---
 drivers/net/wireless/ath/ath10k/htt_tx.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c 
b/drivers/net/wireless/ath/ath10k/htt_tx.c
index 5c64139..5780b87 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -481,6 +481,12 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff 
*msdu)
        }
        skb_cb->htt.txbuf_paddr = paddr;
 
+       if ((ieee80211_is_action(hdr->frame_control) ||
+            ieee80211_is_deauth(hdr->frame_control) ||
+            ieee80211_is_disassoc(hdr->frame_control)) &&
+            ieee80211_has_protected(hdr->frame_control))
+               skb_put(msdu, IEEE80211_CCMP_MIC_LEN);
+
        skb_cb->paddr = dma_map_single(dev, msdu->data, msdu->len,
                                       DMA_TO_DEVICE);
        res = dma_mapping_error(dev, skb_cb->paddr);
-- 
1.8.5.3

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