diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2022-06-19 22:42:41 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2022-07-11 13:40:02 +0200 |
| commit | 2b25b8555d631c6d21d7d29f4f3d85a118f1e52d (patch) | |
| tree | b97a6b7b64872dd4d17fd7ad925f25b2b6ebe43b /drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c | |
| parent | 5e610f8e3115ca92a59d3721642185e15df1a065 (diff) | |
mt76: connac: move mt7615_txp_skb_unmap in common code
Move mt7615_txp_skb_unmap in shared code and reuse it in mt7915e and
mt7921e driver.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c | 60 |
1 files changed, 60 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 9bba5dcbe0c6..af2b33d738ca 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c @@ -191,6 +191,66 @@ void mt76_connac_write_hw_txp(struct mt76_dev *dev, } EXPORT_SYMBOL_GPL(mt76_connac_write_hw_txp); +static void +mt76_connac_txp_skb_unmap_fw(struct mt76_dev *mdev, + struct mt76_connac_fw_txp *txp) +{ + struct device *dev = is_connac_v1(mdev) ? mdev->dev : mdev->dma_dev; + int i; + + for (i = 0; i < txp->nbuf; i++) + dma_unmap_single(dev, le32_to_cpu(txp->buf[i]), + le16_to_cpu(txp->len[i]), DMA_TO_DEVICE); +} + +static void +mt76_connac_txp_skb_unmap_hw(struct mt76_dev *dev, + struct mt76_connac_hw_txp *txp) +{ + u32 last_mask; + int i; + + if (is_mt7663(dev) || is_mt7921(dev)) + last_mask = MT_TXD_LEN_LAST; + else + last_mask = MT_TXD_LEN_MSDU_LAST; + + for (i = 0; i < ARRAY_SIZE(txp->ptr); i++) { + struct mt76_connac_txp_ptr *ptr = &txp->ptr[i]; + bool last; + u16 len; + + len = le16_to_cpu(ptr->len0); + last = len & last_mask; + len &= MT_TXD_LEN_MASK; + dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf0), len, + DMA_TO_DEVICE); + if (last) + break; + + len = le16_to_cpu(ptr->len1); + last = len & last_mask; + len &= MT_TXD_LEN_MASK; + dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf1), len, + DMA_TO_DEVICE); + if (last) + break; + } +} + +void mt76_connac_txp_skb_unmap(struct mt76_dev *dev, + struct mt76_txwi_cache *t) +{ + struct mt76_connac_txp_common *txp; + + txp = mt76_connac_txwi_to_txp(dev, t); + if (is_mt76_fw_txp(dev)) + mt76_connac_txp_skb_unmap_fw(dev, &txp->fw); + else + mt76_connac_txp_skb_unmap_hw(dev, &txp->hw); +} +EXPORT_SYMBOL_GPL(mt76_connac_txp_skb_unmap); + static u16 mt76_connac2_mac_tx_rate_val(struct mt76_phy *mphy, struct ieee80211_vif *vif, bool beacon, bool mcast) |