diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c index 8d316d3aab8f..bd4ce2c7742d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c @@ -9,6 +9,27 @@ #define HE_PREP(f, m, v) le16_encode_bits(le32_get_bits(v, MT_CRXV_HE_##m),\ IEEE80211_RADIOTAP_HE_##f) +void mt76_connac_gen_ppe_thresh(u8 *he_ppet, int nss) +{ + static const u8 ppet16_ppet8_ru3_ru0[] = { 0x1c, 0xc7, 0x71 }; + u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ + + he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | + FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, + ru_bit_mask); + + ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * + nss * hweight8(ru_bit_mask) * 2; + ppet_size = DIV_ROUND_UP(ppet_bits, 8); + + for (i = 0; i < ppet_size - 1; i++) + he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; + + he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & + (0xff >> (8 - (ppet_bits - 1) % 8)); +} +EXPORT_SYMBOL_GPL(mt76_connac_gen_ppe_thresh); + int mt76_connac_pm_wake(struct mt76_phy *phy, struct mt76_connac_pm *pm) { struct mt76_dev *dev = phy->dev; |