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mt76: mt7915: fix he_mcs capabilities for 160mhz

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At 160, this chip can only do 2x2 NSS.  Fix the features
accordingly, verified it shows up properly in iw phy foo info
now.

Signed-off-by: Ben Greear <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Ben Greear
2021-09-24 16:57:39 +02:00
committed by Felix Fietkau
parent 8044311f5d
commit 28da4baec7
1 changed files with 11 additions and 4 deletions
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mt7915/init.c
+11 -4
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@@ -649,12 +649,19 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
{
int i, idx = 0, nss = hweight8(phy->mt76->chainmask);
u16 mcs_map = 0;
u16 mcs_map_160 = 0;
for (i = 0; i < 8; i++) {
if (i < nss)
mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
else
mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
/* Can do 1/2 of NSS streams in 160Mhz mode. */
if (i < nss / 2)
mcs_map_160 |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
else
mcs_map_160 |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
}
for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
@@ -756,10 +763,10 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map);
he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map);
he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map_160);
he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map_160);
he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map_160);
he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map_160);
mt7915_set_stream_he_txbf_caps(he_cap, i, nss);