The current number of spatial streams used by the client is advertised
as a separate IE in assoc request. Use this information to set
the NSS operating mode.

Fixes: 45c9abc059fa ("ath10k: implement more versatile set_bitrate_mask").
Signed-off-by: Vivek Natarajan <[email protected]>
---
v3: Fix max_nss type.

 drivers/net/wireless/ath/ath10k/mac.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c 
b/drivers/net/wireless/ath/ath10k/mac.c
index 79490ad..32ad6f3 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2084,7 +2084,8 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
        enum ieee80211_band band;
        const u8 *ht_mcs_mask;
        const u16 *vht_mcs_mask;
-       int i, n, max_nss;
+       int i, n;
+       u8 max_nss;
        u32 stbc;
 
        lockdep_assert_held(&ar->conf_mutex);
@@ -2169,7 +2170,7 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
                        arg->peer_ht_rates.rates[i] = i;
        } else {
                arg->peer_ht_rates.num_rates = n;
-               arg->peer_num_spatial_streams = max_nss;
+               arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
        }
 
        ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
-- 
1.9.1


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