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mt76: add support for an extra wiphy in the tx status path

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This is preparation for supporting multiple wiphys per device to support the
concurrent dual-band feature of MT7615D

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2019-10-11 22:57:08 +02:00
parent 9fba6d077f
commit e394b5757b
3 changed files with 44 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/mediatek/mt76/dma.c
View File

@@ -286,6 +286,7 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, enum mt76_txq_id qid,
struct mt76_tx_info tx_info = {
.skb = skb,
};
struct ieee80211_hw *hw;
int len, n = 0, ret = -ENOMEM;
struct mt76_queue_entry e;
struct mt76_txwi_cache *t;
@@ -295,7 +296,8 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, enum mt76_txq_id qid,
t = mt76_get_txwi(dev);
if (!t) {
ieee80211_free_txskb(dev->hw, skb);
hw = mt76_tx_status_get_hw(dev, skb);
ieee80211_free_txskb(hw, skb);
return -ENOMEM;
}
txwi = mt76_get_txwi_ptr(dev, t);

17
drivers/net/wireless/mediatek/mt76/mt76.h
View File

@@ -177,6 +177,9 @@ enum mt76_wcid_flags {
#define MT76_N_WCIDS 128
/* stored in ieee80211_tx_info::hw_queue */
#define MT_TX_HW_QUEUE_EXT_PHY BIT(3)
DECLARE_EWMA(signal, 10, 8);
#define MT_WCID_TX_INFO_RATE GENMASK(15, 0)
@@ -793,6 +796,20 @@ u32 mt76_calc_tx_airtime(struct mt76_dev *dev, struct ieee80211_tx_info *info,
int len);
/* internal */
static inline struct ieee80211_hw *
mt76_tx_status_get_hw(struct mt76_dev *dev, struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hw *hw = dev->phy.hw;
if ((info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY) && dev->phy2)
hw = dev->phy2->hw;
info->hw_queue &= ~MT_TX_HW_QUEUE_EXT_PHY;
return hw;
}
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);

29
drivers/net/wireless/mediatek/mt76/tx.c
View File

@@ -109,13 +109,17 @@ void
mt76_tx_status_unlock(struct mt76_dev *dev, struct sk_buff_head *list)
__releases(&dev->status_list.unlock)
{
struct ieee80211_hw *hw;
struct sk_buff *skb;
spin_unlock_bh(&dev->status_list.lock);
__release(&dev->status_list.unlock);
while ((skb = __skb_dequeue(list)) != NULL)
ieee80211_tx_status(dev->hw, skb);
while ((skb = __skb_dequeue(list)) != NULL) {
hw = mt76_tx_status_get_hw(dev, skb);
ieee80211_tx_status(hw, skb);
}
}
EXPORT_SYMBOL_GPL(mt76_tx_status_unlock);
@@ -231,10 +235,12 @@ EXPORT_SYMBOL_GPL(mt76_tx_status_check);
void mt76_tx_complete_skb(struct mt76_dev *dev, struct sk_buff *skb)
{
struct ieee80211_hw *hw;
struct sk_buff_head list;
if (!skb->prev) {
ieee80211_free_txskb(dev->hw, skb);
hw = mt76_tx_status_get_hw(dev, skb);
ieee80211_free_txskb(hw, skb);
return;
}
@@ -253,6 +259,7 @@ mt76_tx(struct mt76_phy *phy, struct ieee80211_sta *sta,
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct mt76_queue *q;
int qid = skb_get_queue_mapping(skb);
bool ext_phy = phy != &dev->phy;
if (WARN_ON(qid >= MT_TXQ_PSD)) {
qid = MT_TXQ_BE;
@@ -276,6 +283,9 @@ mt76_tx(struct mt76_phy *phy, struct ieee80211_sta *sta,
mt76_check_agg_ssn(mtxq, skb);
}
if (ext_phy)
info->hw_queue |= MT_TX_HW_QUEUE_EXT_PHY;
q = dev->q_tx[qid].q;
spin_lock_bh(&q->lock);
@@ -295,6 +305,8 @@ static struct sk_buff *
mt76_txq_dequeue(struct mt76_phy *phy, struct mt76_txq *mtxq, bool ps)
{
struct ieee80211_txq *txq = mtxq_to_txq(mtxq);
struct ieee80211_tx_info *info;
bool ext_phy = phy != &phy->dev->phy;
struct sk_buff *skb;
skb = skb_dequeue(&mtxq->retry_q);
@@ -311,6 +323,10 @@ mt76_txq_dequeue(struct mt76_phy *phy, struct mt76_txq *mtxq, bool ps)
if (!skb)
return NULL;
info = IEEE80211_SKB_CB(skb);
if (ext_phy)
info->hw_queue |= MT_TX_HW_QUEUE_EXT_PHY;
return skb;
}
@@ -597,6 +613,7 @@ EXPORT_SYMBOL_GPL(mt76_wake_tx_queue);
void mt76_txq_remove(struct mt76_dev *dev, struct ieee80211_txq *txq)
{
struct ieee80211_hw *hw;
struct mt76_txq *mtxq;
struct sk_buff *skb;
@@ -605,8 +622,10 @@ void mt76_txq_remove(struct mt76_dev *dev, struct ieee80211_txq *txq)
mtxq = (struct mt76_txq *)txq->drv_priv;
while ((skb = skb_dequeue(&mtxq->retry_q)) != NULL)
ieee80211_free_txskb(dev->hw, skb);
while ((skb = skb_dequeue(&mtxq->retry_q)) != NULL) {
hw = mt76_tx_status_get_hw(dev, skb);
ieee80211_free_txskb(hw, skb);
}
}
EXPORT_SYMBOL_GPL(mt76_txq_remove);