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mt76: rename mt76_tx_queue_skb in mt76_dma_tx_queue_skb 

Move mt76_dma_tx_queue_skb routine in dma.c.
Remove static qualifier from mt76_get_txwi definition

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Lorenzo Bianconi 2018-07-31 10:09:10 +02:00 committed by Kalle Valo
parent bbd89d9481
commit fcdd99ce72
4 changed files with 85 additions and 83 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
drivers/net/wireless/mediatek/mt76/dma.c
View File

@ -239,6 +239,80 @@ mt76_dma_kick_queue(struct mt76_dev *dev, struct mt76_queue *q)
iowrite32(q->head, &q->regs->cpu_idx);
}
int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
struct sk_buff *skb, struct mt76_wcid *wcid,
struct ieee80211_sta *sta)
{
struct mt76_queue_entry e;
struct mt76_txwi_cache *t;
struct mt76_queue_buf buf[32];
struct sk_buff *iter;
dma_addr_t addr;
int len;
u32 tx_info = 0;
int n, ret;
t = mt76_get_txwi(dev);
if (!t) {
ieee80211_free_txskb(dev->hw, skb);
return -ENOMEM;
}
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, q, wcid, sta,
&tx_info);
dma_sync_single_for_device(dev->dev, t->dma_addr, sizeof(t->txwi),
DMA_TO_DEVICE);
if (ret < 0)
goto free;
len = skb->len - skb->data_len;
addr = dma_map_single(dev->dev, skb->data, len, DMA_TO_DEVICE);
if (dma_mapping_error(dev->dev, addr)) {
ret = -ENOMEM;
goto free;
}
n = 0;
buf[n].addr = t->dma_addr;
buf[n++].len = dev->drv->txwi_size;
buf[n].addr = addr;
buf[n++].len = len;
skb_walk_frags(skb, iter) {
if (n == ARRAY_SIZE(buf))
goto unmap;
addr = dma_map_single(dev->dev, iter->data, iter->len,
DMA_TO_DEVICE);
if (dma_mapping_error(dev->dev, addr))
goto unmap;
buf[n].addr = addr;
buf[n++].len = iter->len;
}
if (q->queued + (n + 1) / 2 >= q->ndesc - 1)
goto unmap;
return dev->queue_ops->add_buf(dev, q, buf, n, tx_info, skb, t);
unmap:
ret = -ENOMEM;
for (n--; n > 0; n--)
dma_unmap_single(dev->dev, buf[n].addr, buf[n].len,
DMA_TO_DEVICE);
free:
e.skb = skb;
e.txwi = t;
dev->drv->tx_complete_skb(dev, q, &e, true);
mt76_put_txwi(dev, t);
return ret;
}
EXPORT_SYMBOL_GPL(mt76_dma_tx_queue_skb);
static int
mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q, bool napi)
{

7
drivers/net/wireless/mediatek/mt76/mt76.h
View File

@ -421,9 +421,9 @@ wcid_to_sta(struct mt76_wcid *wcid)
return container_of(ptr, struct ieee80211_sta, drv_priv);
}
int mt76_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
struct sk_buff *skb, struct mt76_wcid *wcid,
struct ieee80211_sta *sta);
int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
struct sk_buff *skb, struct mt76_wcid *wcid,
struct ieee80211_sta *sta);
void mt76_rx(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb);
void mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta,
@ -454,6 +454,7 @@ void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
/* internal */
void mt76_tx_free(struct mt76_dev *dev);
struct mt76_txwi_cache *mt76_get_txwi(struct mt76_dev *dev);
void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
struct napi_struct *napi);

3
drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
View File

@ -289,7 +289,8 @@ void mt76x2_pre_tbtt_tasklet(unsigned long arg)
struct ieee80211_vif *vif = info->control.vif;
struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
mt76_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid, NULL);
mt76_dma_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid,
NULL);
}
spin_unlock_bh(&q->lock);
}

84
drivers/net/wireless/mediatek/mt76/tx.c
View File

@ -51,7 +51,7 @@ __mt76_get_txwi(struct mt76_dev *dev)
return t;
}
static struct mt76_txwi_cache *
struct mt76_txwi_cache *
mt76_get_txwi(struct mt76_dev *dev)
{
struct mt76_txwi_cache *t = __mt76_get_txwi(dev);
@ -91,80 +91,6 @@ mt76_txq_get_qid(struct ieee80211_txq *txq)
return txq->ac;
}
int mt76_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
struct sk_buff *skb, struct mt76_wcid *wcid,
struct ieee80211_sta *sta)
{
struct mt76_queue_entry e;
struct mt76_txwi_cache *t;
struct mt76_queue_buf buf[32];
struct sk_buff *iter;
dma_addr_t addr;
int len;
u32 tx_info = 0;
int n, ret;
t = mt76_get_txwi(dev);
if (!t) {
ieee80211_free_txskb(dev->hw, skb);
return -ENOMEM;
}
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, q, wcid, sta,
&tx_info);
dma_sync_single_for_device(dev->dev, t->dma_addr, sizeof(t->txwi),
DMA_TO_DEVICE);
if (ret < 0)
goto free;
len = skb->len - skb->data_len;
addr = dma_map_single(dev->dev, skb->data, len, DMA_TO_DEVICE);
if (dma_mapping_error(dev->dev, addr)) {
ret = -ENOMEM;
goto free;
}
n = 0;
buf[n].addr = t->dma_addr;
buf[n++].len = dev->drv->txwi_size;
buf[n].addr = addr;
buf[n++].len = len;
skb_walk_frags(skb, iter) {
if (n == ARRAY_SIZE(buf))
goto unmap;
addr = dma_map_single(dev->dev, iter->data, iter->len,
DMA_TO_DEVICE);
if (dma_mapping_error(dev->dev, addr))
goto unmap;
buf[n].addr = addr;
buf[n++].len = iter->len;
}
if (q->queued + (n + 1) / 2 >= q->ndesc - 1)
goto unmap;
return dev->queue_ops->add_buf(dev, q, buf, n, tx_info, skb, t);
unmap:
ret = -ENOMEM;
for (n--; n > 0; n--)
dma_unmap_single(dev->dev, buf[n].addr, buf[n].len,
DMA_TO_DEVICE);
free:
e.skb = skb;
e.txwi = t;
dev->drv->tx_complete_skb(dev, q, &e, true);
mt76_put_txwi(dev, t);
return ret;
}
EXPORT_SYMBOL_GPL(mt76_tx_queue_skb);
void
mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta,
struct mt76_wcid *wcid, struct sk_buff *skb)
@ -185,7 +111,7 @@ mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta,
q = &dev->q_tx[qid];
spin_lock_bh(&q->lock);
mt76_tx_queue_skb(dev, q, skb, wcid, sta);
mt76_dma_tx_queue_skb(dev, q, skb, wcid, sta);
dev->queue_ops->kick(dev, q);
if (q->queued > q->ndesc - 8)
@ -241,7 +167,7 @@ mt76_queue_ps_skb(struct mt76_dev *dev, struct ieee80211_sta *sta,
info->flags |= IEEE80211_TX_STATUS_EOSP;
mt76_skb_set_moredata(skb, !last);
mt76_tx_queue_skb(dev, hwq, skb, wcid, sta);
mt76_dma_tx_queue_skb(dev, hwq, skb, wcid, sta);
}
void
@ -321,7 +247,7 @@ mt76_txq_send_burst(struct mt76_dev *dev, struct mt76_queue *hwq,
if (ampdu)
mt76_check_agg_ssn(mtxq, skb);
idx = mt76_tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
idx = mt76_dma_tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
if (idx < 0)
return idx;
@ -356,7 +282,7 @@ mt76_txq_send_burst(struct mt76_dev *dev, struct mt76_queue *hwq,
if (cur_ampdu)
mt76_check_agg_ssn(mtxq, skb);
idx = mt76_tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
idx = mt76_dma_tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
if (idx < 0)
return idx;