diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mac80211.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mac80211.c | 62 |
1 files changed, 60 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index 5b6a81ee457e..ec9efb79985f 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -766,10 +766,21 @@ int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif, *dbm = DIV_ROUND_UP(dev->txpower_cur, 2); /* convert from per-chain power to combined - * output on 2x2 devices + * output power */ - if (n_chains > 1) + switch (n_chains) { + case 4: + *dbm += 6; + break; + case 3: + *dbm += 4; + break; + case 2: *dbm += 3; + break; + default: + break; + } return 0; } @@ -820,3 +831,50 @@ mt76_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) return 0; } EXPORT_SYMBOL_GPL(mt76_set_tim); + +void mt76_insert_ccmp_hdr(struct sk_buff *skb, u8 key_id) +{ + struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; + int hdr_len = ieee80211_get_hdrlen_from_skb(skb); + u8 *hdr, *pn = status->iv; + + __skb_push(skb, 8); + memmove(skb->data, skb->data + 8, hdr_len); + hdr = skb->data + hdr_len; + + hdr[0] = pn[5]; + hdr[1] = pn[4]; + hdr[2] = 0; + hdr[3] = 0x20 | (key_id << 6); + hdr[4] = pn[3]; + hdr[5] = pn[2]; + hdr[6] = pn[1]; + hdr[7] = pn[0]; + + status->flag &= ~RX_FLAG_IV_STRIPPED; +} +EXPORT_SYMBOL_GPL(mt76_insert_ccmp_hdr); + +int mt76_get_rate(struct mt76_dev *dev, + struct ieee80211_supported_band *sband, + int idx, bool cck) +{ + int i, offset = 0, len = sband->n_bitrates; + + if (cck) { + if (sband == &dev->sband_5g.sband) + return 0; + + idx &= ~BIT(2); /* short preamble */ + } else if (sband == &dev->sband_2g.sband) { + offset = 4; + } + + for (i = offset; i < len; i++) { + if ((sband->bitrates[i].hw_value & GENMASK(7, 0)) == idx) + return i; + } + + return 0; +} +EXPORT_SYMBOL_GPL(mt76_get_rate); |