From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
When re-associating a station, the nss was set back to
maximum value even if user had configured small number
of tx chains. So, pay attention to user's config in
this case as well.
Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
v2: No changes from v1.
drivers/net/wireless/ath/ath10k/mac.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index e75607d..34ec992 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4114,6 +4114,10 @@ ath10k_default_bitrate_mask(struct ath10k *ar,
u32 legacy = 0x00ff;
u8 ht = 0xff, i;
u16 vht = 0x3ff;
+ u16 nrf = ar->num_rf_chains;
+
+ if (ar->cfg_tx_chainmask)
+ nrf = get_nss_from_chainmask(ar->cfg_tx_chainmask);
switch (band) {
case IEEE80211_BAND_2GHZ:
@@ -4129,11 +4133,11 @@ ath10k_default_bitrate_mask(struct ath10k *ar,
if (mask->control[band].legacy != legacy)
return false;
- for (i = 0; i < ar->num_rf_chains; i++)
+ for (i = 0; i < nrf; i++)
if (mask->control[band].ht_mcs[i] != ht)
return false;
- for (i = 0; i < ar->num_rf_chains; i++)
+ for (i = 0; i < nrf; i++)
if (mask->control[band].vht_mcs[i] != vht)
return false;
@@ -4384,6 +4388,9 @@ static int ath10k_set_bitrate_mask(struct ieee80211_hw *hw,
u8 fixed_nss = ar->num_rf_chains;
u8 force_sgi;
+ if (ar->cfg_tx_chainmask)
+ fixed_nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
+
force_sgi = mask->control[band].gi;
if (force_sgi == NL80211_TXRATE_FORCE_LGI)
return -EINVAL;
--
1.7.11.7
--
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