diff options
author | Felix Fietkau <nbd@nbd.name> | 2019-07-03 20:08:35 +0200 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2019-09-05 17:42:28 +0200 |
commit | 592ed85d6b280081dda76e77e103bd7e68d2fb2f (patch) | |
tree | 02ab1a78b23b5d4a223bf179224e5f708d6838fc /drivers/net/wireless/mediatek/mt76/mt7615/mac.c | |
parent | 3815ab3f495b05286449971aac81eb3ccde9876e (diff) |
mt76: mt7615: move mt7615_mcu_set_rates to mac.c
It bypasses the MCU, so it does not belong in mcu.c
Also make mt7615_mac_tx_rate_val static
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/mac.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 100 |
1 files changed, 95 insertions, 5 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index 08cc3f46b011..49c14eb008d7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -248,9 +248,10 @@ void mt7615_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid, mt76_tx_complete_skb(mdev, e->skb); } -u16 mt7615_mac_tx_rate_val(struct mt7615_dev *dev, - const struct ieee80211_tx_rate *rate, - bool stbc, u8 *bw) +static u16 +mt7615_mac_tx_rate_val(struct mt7615_dev *dev, + const struct ieee80211_tx_rate *rate, + bool stbc, u8 *bw) { u8 phy, nss, rate_idx; u16 rateval; @@ -446,6 +447,95 @@ void mt7615_txp_skb_unmap(struct mt76_dev *dev, le16_to_cpu(txp->len[i]), DMA_TO_DEVICE); } +void mt7615_mac_set_rates(struct mt7615_dev *dev, struct mt7615_sta *sta, + struct ieee80211_tx_rate *probe_rate, + struct ieee80211_tx_rate *rates) +{ + int wcid = sta->wcid.idx; + u32 addr = MT_WTBL_BASE + wcid * MT_WTBL_ENTRY_SIZE; + bool stbc = false; + int n_rates = sta->n_rates; + u8 bw, bw_prev, bw_idx = 0; + u16 val[4]; + u16 probe_val; + u32 w5, w27; + int i; + + if (!mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000)) + return; + + for (i = n_rates; i < 4; i++) + rates[i] = rates[n_rates - 1]; + + val[0] = mt7615_mac_tx_rate_val(dev, &rates[0], stbc, &bw); + bw_prev = bw; + + if (probe_rate) { + probe_val = mt7615_mac_tx_rate_val(dev, probe_rate, stbc, &bw); + if (bw) + bw_idx = 1; + else + bw_prev = 0; + } else { + probe_val = val[0]; + } + + val[1] = mt7615_mac_tx_rate_val(dev, &rates[1], stbc, &bw); + if (bw_prev) { + bw_idx = 3; + bw_prev = bw; + } + + val[2] = mt7615_mac_tx_rate_val(dev, &rates[2], stbc, &bw); + if (bw_prev) { + bw_idx = 5; + bw_prev = bw; + } + + val[3] = mt7615_mac_tx_rate_val(dev, &rates[3], stbc, &bw); + if (bw_prev) + bw_idx = 7; + + w27 = mt76_rr(dev, addr + 27 * 4); + w27 &= ~MT_WTBL_W27_CC_BW_SEL; + w27 |= FIELD_PREP(MT_WTBL_W27_CC_BW_SEL, bw); + + w5 = mt76_rr(dev, addr + 5 * 4); + w5 &= ~(MT_WTBL_W5_BW_CAP | MT_WTBL_W5_CHANGE_BW_RATE); + w5 |= FIELD_PREP(MT_WTBL_W5_BW_CAP, bw) | + FIELD_PREP(MT_WTBL_W5_CHANGE_BW_RATE, bw_idx ? bw_idx - 1 : 7); + + mt76_wr(dev, MT_WTBL_RIUCR0, w5); + + mt76_wr(dev, MT_WTBL_RIUCR1, + FIELD_PREP(MT_WTBL_RIUCR1_RATE0, probe_val) | + FIELD_PREP(MT_WTBL_RIUCR1_RATE1, val[0]) | + FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, val[0])); + + mt76_wr(dev, MT_WTBL_RIUCR2, + FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, val[0] >> 8) | + FIELD_PREP(MT_WTBL_RIUCR2_RATE3, val[1]) | + FIELD_PREP(MT_WTBL_RIUCR2_RATE4, val[1]) | + FIELD_PREP(MT_WTBL_RIUCR2_RATE5_LO, val[2])); + + mt76_wr(dev, MT_WTBL_RIUCR3, + FIELD_PREP(MT_WTBL_RIUCR3_RATE5_HI, val[2] >> 4) | + FIELD_PREP(MT_WTBL_RIUCR3_RATE6, val[2]) | + FIELD_PREP(MT_WTBL_RIUCR3_RATE7, val[3])); + + mt76_wr(dev, MT_WTBL_UPDATE, + FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, wcid) | + MT_WTBL_UPDATE_RATE_UPDATE | + MT_WTBL_UPDATE_TX_COUNT_CLEAR); + + mt76_wr(dev, addr + 27 * 4, w27); + + if (!(sta->wcid.tx_info & MT_WCID_TX_INFO_SET)) + mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000); + + sta->rate_count = 2 * MT7615_RATE_RETRY * n_rates; + sta->wcid.tx_info |= MT_WCID_TX_INFO_SET; +} int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, enum mt76_txq_id qid, struct mt76_wcid *wcid, struct ieee80211_sta *sta, @@ -470,7 +560,7 @@ int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) { spin_lock_bh(&dev->mt76.lock); msta->rate_probe = true; - mt7615_mcu_set_rates(dev, msta, &info->control.rates[0], + mt7615_mac_set_rates(dev, msta, &info->control.rates[0], msta->rates); spin_unlock_bh(&dev->mt76.lock); } @@ -645,7 +735,7 @@ static bool mt7615_mac_add_txs_skb(struct mt7615_dev *dev, if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) { spin_lock_bh(&dev->mt76.lock); if (sta->rate_probe) { - mt7615_mcu_set_rates(dev, sta, NULL, + mt7615_mac_set_rates(dev, sta, NULL, sta->rates); sta->rate_probe = false; } |