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ath10k: use configured nss instead of max nss

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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@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Ben Greear 2014-11-24 16:22:10 +02:00 committed by Kalle Valo
parent 5572a95b4b
commit b116ea190b
1 changed files with 9 additions and 2 deletions
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11
drivers/net/wireless/ath/ath10k/mac.c
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@ -4147,6 +4147,10 @@ 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:
@ -4162,11 +4166,11 @@ 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;
@ -4417,6 +4421,9 @@ 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;