From: Johannes Berg <[email protected]>

When taking VHT capabilities for a station, copy the new
fields if we support them as a transmitted.

Also, since it was missing, copy tx_highest and rx_highest.

Signed-off-by: Johannes Berg <[email protected]>
---
 net/mac80211/vht.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index 19ec2189d3ac..c75d37f9bff0 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -197,6 +197,20 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct 
ieee80211_sub_if_data *sdata,
                break;
        }
 
+       /* keep these, no need to limit to our own */
+       vht_cap->vht_mcs.tx_highest = vht_cap_ie->supp_mcs.tx_highest;
+       vht_cap->vht_mcs.rx_highest = vht_cap_ie->supp_mcs.rx_highest;
+
+       /*
+        * copy these only if rate control supports it, since otherwise some
+        * helper functions might return data that's not valid
+        */
+       if (ieee80211_hw_check(&sdata->local->hw, SUPPORTS_VHT_EXT_NSS_BW))
+               vht_cap->cap |= (cap_info & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK);
+       else
+               vht_cap->vht_mcs.tx_highest &=
+                       ~cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE);
+
        /* symmetric capabilities */
        vht_cap->cap |= cap_info & own_cap.cap &
                        (IEEE80211_VHT_CAP_SHORT_GI_80 |
-- 
2.9.3

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