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mt76: mmio: move mt76_insert_hdr_pad in mt76_dma_tx_queue_skb

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Introduce tx_aligned4_skbs in mt76_driver_ops and move
mt76_insert_hdr_pad in mt76_dma_tx_queue_skb. This is a preliminary
patch in order to unify tx dma mapping for mt76x02 and new chipsets

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2019-03-14 14:54:10 +01:00 • committed by Felix Fietkau
parent 3bb45b5feb
commit 66105538a6
5 changed files with 11 additions and 5 deletions
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3
drivers/net/wireless/mediatek/mt76/dma.c
View file

@ -299,6 +299,9 @@ int mt76_dma_tx_queue_skb(struct mt76_dev *dev, enum mt76_txq_id qid,
}
skb->prev = skb->next = NULL;
if (dev->drv->tx_aligned4_skbs)
mt76_insert_hdr_pad(skb);
dma_sync_single_for_cpu(dev->dev, t->dma_addr, sizeof(t->txwi),
DMA_TO_DEVICE);
ret = dev->drv->tx_prepare_skb(dev, &t->txwi, skb, qid, wcid, sta,

1
drivers/net/wireless/mediatek/mt76/mt76.h
View file

@ -288,6 +288,7 @@ struct mt76_hw_cap {
};
struct mt76_driver_ops {
bool tx_aligned4_skbs;
u16 txwi_size;
void (*update_survey)(struct mt76_dev *dev);

1
drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
View file

@ -164,6 +164,7 @@ mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
static const struct mt76_driver_ops drv_ops = {
.txwi_size = sizeof(struct mt76x02_txwi),
.tx_aligned4_skbs = true,
.update_survey = mt76x02_update_channel,
.tx_prepare_skb = mt76x02_tx_prepare_skb,
.tx_complete_skb = mt76x02_tx_complete_skb,

10
drivers/net/wireless/mediatek/mt76/mt76x02_txrx.c
View file

@ -152,20 +152,20 @@ int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
u32 *tx_info)
{
struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct mt76x02_txwi *txwi = txwi_ptr;
int qsel = MT_QSEL_EDCA;
int pid;
int hdrlen, len, pid, qsel = MT_QSEL_EDCA;
if (qid == MT_TXQ_PSD && wcid && wcid->idx < 128)
mt76x02_mac_wcid_set_drop(dev, wcid->idx, false);
mt76x02_mac_write_txwi(dev, txwi, skb, wcid, sta, skb->len);
hdrlen = ieee80211_hdrlen(hdr->frame_control);
len = skb->len - (hdrlen & 2);
mt76x02_mac_write_txwi(dev, txwi, skb, wcid, sta, len);
pid = mt76_tx_status_skb_add(mdev, wcid, skb);
txwi->pktid = pid;
mt76_insert_hdr_pad(skb);
if (pid >= MT_PACKET_ID_FIRST)
qsel = MT_QSEL_MGMT;

1
drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
View file

@ -32,6 +32,7 @@ mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
static const struct mt76_driver_ops drv_ops = {
.txwi_size = sizeof(struct mt76x02_txwi),
.tx_aligned4_skbs = true,
.update_survey = mt76x02_update_channel,
.tx_prepare_skb = mt76x02_tx_prepare_skb,
.tx_complete_skb = mt76x02_tx_complete_skb,