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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2019-04-02 11:47:58 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2019-05-01 13:03:58 +0200 |
| commit | 6ca66722a887e38f82b50a4b41e43b6af0794ed2 (patch) | |
| tree | f4c0a86a33d9696bdcc0ab2dea9c9547d3965e63 /drivers/net/wireless | |
| parent | cfaae9e67cf13011ce6d6ddd61eacff8f72b7bad (diff) | |
| download | linux-6ca66722a887e38f82b50a4b41e43b6af0794ed2.tar.gz linux-6ca66722a887e38f82b50a4b41e43b6af0794ed2.tar.bz2 linux-6ca66722a887e38f82b50a4b41e43b6af0794ed2.zip | |
mt76: dma: introduce skb field in mt76_txwi_cache
Introduce skb field in mt76_txwi_cache. Moreover add txwi_flags
to mt76_driver_ops since new chipsets will release mt76_txwi_cache/skbs
at tx completion instead of dma one.
This is a preliminary patch to add mt7615 support
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/dma.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76.h | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/tx.c | 1 |
3 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 5c6f5f5786e7..4ffee2e208b2 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -174,7 +174,8 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, enum mt76_txq_id qid, bool flush) dev->drv->tx_complete_skb(dev, qid, &entry); if (entry.txwi) { - mt76_put_txwi(dev, entry.txwi); + if (!(dev->drv->txwi_flags & MT_TXWI_NO_FREE)) + mt76_put_txwi(dev, entry.txwi); wake = !flush; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 065c79c08844..48e0f4867f62 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -232,6 +232,8 @@ struct mt76_txq { struct mt76_txwi_cache { struct list_head list; dma_addr_t dma_addr; + + struct sk_buff *skb; }; struct mt76_rx_tid { @@ -285,8 +287,11 @@ struct mt76_hw_cap { bool has_5ghz; }; +#define MT_TXWI_NO_FREE BIT(0) + struct mt76_driver_ops { bool tx_aligned4_skbs; + u32 txwi_flags; u16 txwi_size; void (*update_survey)(struct mt76_dev *dev); diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index 32e04f601145..5397827668b9 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -74,6 +74,7 @@ mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t) list_add(&t->list, &dev->txwi_cache); spin_unlock_bh(&dev->lock); } +EXPORT_SYMBOL_GPL(mt76_put_txwi); void mt76_tx_free(struct mt76_dev *dev) { |