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-rw-r--r--drivers/net/wireless/realtek/rtw88/hci.h20
-rw-r--r--drivers/net/wireless/realtek/rtw88/pci.c92
-rw-r--r--drivers/net/wireless/realtek/rtw88/pci.h1
-rw-r--r--drivers/net/wireless/realtek/rtw88/tx.c77
-rw-r--r--drivers/net/wireless/realtek/rtw88/tx.h2
5 files changed, 136 insertions, 56 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/hci.h b/drivers/net/wireless/realtek/rtw88/hci.h
index cad56389182c..2cba327e6218 100644
--- a/drivers/net/wireless/realtek/rtw88/hci.h
+++ b/drivers/net/wireless/realtek/rtw88/hci.h
@@ -7,9 +7,10 @@
/* ops for PCI, USB and SDIO */
struct rtw_hci_ops {
- int (*tx)(struct rtw_dev *rtwdev,
- struct rtw_tx_pkt_info *pkt_info,
- struct sk_buff *skb);
+ int (*tx_write)(struct rtw_dev *rtwdev,
+ struct rtw_tx_pkt_info *pkt_info,
+ struct sk_buff *skb);
+ void (*tx_kick_off)(struct rtw_dev *rtwdev);
int (*setup)(struct rtw_dev *rtwdev);
int (*start)(struct rtw_dev *rtwdev);
void (*stop)(struct rtw_dev *rtwdev);
@@ -28,11 +29,16 @@ struct rtw_hci_ops {
void (*write32)(struct rtw_dev *rtwdev, u32 addr, u32 val);
};
-static inline int rtw_hci_tx(struct rtw_dev *rtwdev,
- struct rtw_tx_pkt_info *pkt_info,
- struct sk_buff *skb)
+static inline int rtw_hci_tx_write(struct rtw_dev *rtwdev,
+ struct rtw_tx_pkt_info *pkt_info,
+ struct sk_buff *skb)
{
- return rtwdev->hci.ops->tx(rtwdev, pkt_info, skb);
+ return rtwdev->hci.ops->tx_write(rtwdev, pkt_info, skb);
+}
+
+static inline void rtw_hci_tx_kick_off(struct rtw_dev *rtwdev)
+{
+ return rtwdev->hci.ops->tx_kick_off(rtwdev);
}
static inline int rtw_hci_setup(struct rtw_dev *rtwdev)
diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c
index 812944a7b4bd..e37c71495c0d 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.c
+++ b/drivers/net/wireless/realtek/rtw88/pci.c
@@ -691,9 +691,34 @@ static void rtw_pci_dma_check(struct rtw_dev *rtwdev,
rtwpci->rx_tag = (rtwpci->rx_tag + 1) % RX_TAG_MAX;
}
-static int rtw_pci_xmit(struct rtw_dev *rtwdev,
- struct rtw_tx_pkt_info *pkt_info,
- struct sk_buff *skb, u8 queue)
+static void rtw_pci_tx_kick_off_queue(struct rtw_dev *rtwdev, u8 queue)
+{
+ struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv;
+ struct rtw_pci_tx_ring *ring;
+ u32 bd_idx;
+
+ ring = &rtwpci->tx_rings[queue];
+ bd_idx = rtw_pci_tx_queue_idx_addr[queue];
+
+ spin_lock_bh(&rtwpci->irq_lock);
+ rtw_pci_deep_ps_leave(rtwdev);
+ rtw_write16(rtwdev, bd_idx, ring->r.wp & TRX_BD_IDX_MASK);
+ spin_unlock_bh(&rtwpci->irq_lock);
+}
+
+static void rtw_pci_tx_kick_off(struct rtw_dev *rtwdev)
+{
+ struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv;
+ u8 queue;
+
+ for (queue = 0; queue < RTK_MAX_TX_QUEUE_NUM; queue++)
+ if (test_and_clear_bit(queue, rtwpci->tx_queued))
+ rtw_pci_tx_kick_off_queue(rtwdev, queue);
+}
+
+static int rtw_pci_tx_write_data(struct rtw_dev *rtwdev,
+ struct rtw_tx_pkt_info *pkt_info,
+ struct sk_buff *skb, u8 queue)
{
struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv;
struct rtw_chip_info *chip = rtwdev->chip;
@@ -706,7 +731,6 @@ static int rtw_pci_xmit(struct rtw_dev *rtwdev,
u32 psb_len;
u8 *pkt_desc;
struct rtw_pci_tx_buffer_desc *buf_desc;
- u32 bd_idx;
ring = &rtwpci->tx_rings[queue];
@@ -745,22 +769,17 @@ static int rtw_pci_xmit(struct rtw_dev *rtwdev,
spin_lock_bh(&rtwpci->irq_lock);
- rtw_pci_deep_ps_leave(rtwdev);
skb_queue_tail(&ring->queue, skb);
- /* kick off tx queue */
- if (queue != RTW_TX_QUEUE_BCN) {
- if (++ring->r.wp >= ring->r.len)
- ring->r.wp = 0;
- bd_idx = rtw_pci_tx_queue_idx_addr[queue];
- rtw_write16(rtwdev, bd_idx, ring->r.wp & TRX_BD_IDX_MASK);
- } else {
- u32 reg_bcn_work;
-
- reg_bcn_work = rtw_read8(rtwdev, RTK_PCI_TXBD_BCN_WORK);
- reg_bcn_work |= BIT_PCI_BCNQ_FLAG;
- rtw_write8(rtwdev, RTK_PCI_TXBD_BCN_WORK, reg_bcn_work);
- }
+ if (queue == RTW_TX_QUEUE_BCN)
+ goto out_unlock;
+
+ /* update write-index, and kick it off later */
+ set_bit(queue, rtwpci->tx_queued);
+ if (++ring->r.wp >= ring->r.len)
+ ring->r.wp = 0;
+
+out_unlock:
spin_unlock_bh(&rtwpci->irq_lock);
return 0;
@@ -771,36 +790,58 @@ static int rtw_pci_write_data_rsvd_page(struct rtw_dev *rtwdev, u8 *buf,
{
struct sk_buff *skb;
struct rtw_tx_pkt_info pkt_info = {0};
+ u8 reg_bcn_work;
+ int ret;
skb = rtw_tx_write_data_rsvd_page_get(rtwdev, &pkt_info, buf, size);
if (!skb)
return -ENOMEM;
- return rtw_pci_xmit(rtwdev, &pkt_info, skb, RTW_TX_QUEUE_BCN);
+ ret = rtw_pci_tx_write_data(rtwdev, &pkt_info, skb, RTW_TX_QUEUE_BCN);
+ if (ret) {
+ rtw_err(rtwdev, "failed to write rsvd page data\n");
+ return ret;
+ }
+
+ /* reserved pages go through beacon queue */
+ reg_bcn_work = rtw_read8(rtwdev, RTK_PCI_TXBD_BCN_WORK);
+ reg_bcn_work |= BIT_PCI_BCNQ_FLAG;
+ rtw_write8(rtwdev, RTK_PCI_TXBD_BCN_WORK, reg_bcn_work);
+
+ return 0;
}
static int rtw_pci_write_data_h2c(struct rtw_dev *rtwdev, u8 *buf, u32 size)
{
struct sk_buff *skb;
struct rtw_tx_pkt_info pkt_info = {0};
+ int ret;
skb = rtw_tx_write_data_h2c_get(rtwdev, &pkt_info, buf, size);
if (!skb)
return -ENOMEM;
- return rtw_pci_xmit(rtwdev, &pkt_info, skb, RTW_TX_QUEUE_H2C);
+ ret = rtw_pci_tx_write_data(rtwdev, &pkt_info, skb, RTW_TX_QUEUE_H2C);
+ if (ret) {
+ rtw_err(rtwdev, "failed to write h2c data\n");
+ return ret;
+ }
+
+ rtw_pci_tx_kick_off_queue(rtwdev, RTW_TX_QUEUE_H2C);
+
+ return 0;
}
-static int rtw_pci_tx(struct rtw_dev *rtwdev,
- struct rtw_tx_pkt_info *pkt_info,
- struct sk_buff *skb)
+static int rtw_pci_tx_write(struct rtw_dev *rtwdev,
+ struct rtw_tx_pkt_info *pkt_info,
+ struct sk_buff *skb)
{
struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv;
struct rtw_pci_tx_ring *ring;
u8 queue = rtw_hw_queue_mapping(skb);
int ret;
- ret = rtw_pci_xmit(rtwdev, pkt_info, skb, queue);
+ ret = rtw_pci_tx_write_data(rtwdev, pkt_info, skb, queue);
if (ret)
return ret;
@@ -1374,7 +1415,8 @@ static void rtw_pci_destroy(struct rtw_dev *rtwdev, struct pci_dev *pdev)
}
static struct rtw_hci_ops rtw_pci_ops = {
- .tx = rtw_pci_tx,
+ .tx_write = rtw_pci_tx_write,
+ .tx_kick_off = rtw_pci_tx_kick_off,
.setup = rtw_pci_setup,
.start = rtw_pci_start,
.stop = rtw_pci_stop,
diff --git a/drivers/net/wireless/realtek/rtw88/pci.h b/drivers/net/wireless/realtek/rtw88/pci.h
index 67b5e2fe2b62..3ac4fb328d31 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.h
+++ b/drivers/net/wireless/realtek/rtw88/pci.h
@@ -208,6 +208,7 @@ struct rtw_pci {
bool irq_enabled;
u16 rx_tag;
+ DECLARE_BITMAP(tx_queued, RTK_MAX_TX_QUEUE_NUM);
struct rtw_pci_tx_ring tx_rings[RTK_MAX_TX_QUEUE_NUM];
struct rtw_pci_rx_ring rx_rings[RTK_MAX_RX_QUEUE_NUM];
u16 link_ctrl;
diff --git a/drivers/net/wireless/realtek/rtw88/tx.c b/drivers/net/wireless/realtek/rtw88/tx.c
index 0447228e66be..b31eb4d9664b 100644
--- a/drivers/net/wireless/realtek/rtw88/tx.c
+++ b/drivers/net/wireless/realtek/rtw88/tx.c
@@ -221,7 +221,7 @@ void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
static void rtw_tx_mgmt_pkt_info_update(struct rtw_dev *rtwdev,
struct rtw_tx_pkt_info *pkt_info,
- struct ieee80211_tx_control *control,
+ struct ieee80211_sta *sta,
struct sk_buff *skb)
{
pkt_info->use_rate = true;
@@ -231,10 +231,9 @@ static void rtw_tx_mgmt_pkt_info_update(struct rtw_dev *rtwdev,
static void rtw_tx_data_pkt_info_update(struct rtw_dev *rtwdev,
struct rtw_tx_pkt_info *pkt_info,
- struct ieee80211_tx_control *control,
+ struct ieee80211_sta *sta,
struct sk_buff *skb)
{
- struct ieee80211_sta *sta = control->sta;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct rtw_sta_info *si;
@@ -293,7 +292,7 @@ out:
void rtw_tx_pkt_info_update(struct rtw_dev *rtwdev,
struct rtw_tx_pkt_info *pkt_info,
- struct ieee80211_tx_control *control,
+ struct ieee80211_sta *sta,
struct sk_buff *skb)
{
struct rtw_chip_info *chip = rtwdev->chip;
@@ -305,15 +304,15 @@ void rtw_tx_pkt_info_update(struct rtw_dev *rtwdev,
u8 sec_type = 0;
bool bmc;
- if (control->sta) {
- si = (struct rtw_sta_info *)control->sta->drv_priv;
+ if (sta) {
+ si = (struct rtw_sta_info *)sta->drv_priv;
vif = si->vif;
}
if (ieee80211_is_mgmt(fc) || ieee80211_is_nullfunc(fc))
- rtw_tx_mgmt_pkt_info_update(rtwdev, pkt_info, control, skb);
+ rtw_tx_mgmt_pkt_info_update(rtwdev, pkt_info, sta, skb);
else if (ieee80211_is_data(fc))
- rtw_tx_data_pkt_info_update(rtwdev, pkt_info, control, skb);
+ rtw_tx_data_pkt_info_update(rtwdev, pkt_info, sta, skb);
if (info->control.hw_key) {
struct ieee80211_key_conf *key = info->control.hw_key;
@@ -427,10 +426,16 @@ void rtw_tx(struct rtw_dev *rtwdev,
struct sk_buff *skb)
{
struct rtw_tx_pkt_info pkt_info = {0};
+ int ret;
- rtw_tx_pkt_info_update(rtwdev, &pkt_info, control, skb);
- if (rtw_hci_tx(rtwdev, &pkt_info, skb))
+ rtw_tx_pkt_info_update(rtwdev, &pkt_info, control->sta, skb);
+ ret = rtw_hci_tx_write(rtwdev, &pkt_info, skb);
+ if (ret) {
+ rtw_err(rtwdev, "failed to write TX skb to HCI\n");
goto out;
+ }
+
+ rtw_hci_tx_kick_off(rtwdev);
return;
@@ -470,37 +475,61 @@ static void rtw_txq_check_agg(struct rtw_dev *rtwdev,
ieee80211_queue_work(rtwdev->hw, &rtwdev->ba_work);
}
-static bool rtw_txq_dequeue(struct rtw_dev *rtwdev,
- struct rtw_txq *rtwtxq)
+static int rtw_txq_push_skb(struct rtw_dev *rtwdev,
+ struct rtw_txq *rtwtxq,
+ struct sk_buff *skb)
{
struct ieee80211_txq *txq = rtwtxq_to_txq(rtwtxq);
- struct ieee80211_tx_control control;
- struct sk_buff *skb;
-
- skb = ieee80211_tx_dequeue(rtwdev->hw, txq);
- if (!skb)
- return false;
+ struct rtw_tx_pkt_info pkt_info = {0};
+ int ret;
rtw_txq_check_agg(rtwdev, rtwtxq, skb);
- control.sta = txq->sta;
- rtw_tx(rtwdev, &control, skb);
+ rtw_tx_pkt_info_update(rtwdev, &pkt_info, txq->sta, skb);
+ ret = rtw_hci_tx_write(rtwdev, &pkt_info, skb);
+ if (ret) {
+ rtw_err(rtwdev, "failed to write TX skb to HCI\n");
+ return ret;
+ }
rtwtxq->last_push = jiffies;
- return true;
+ return 0;
+}
+
+static struct sk_buff *rtw_txq_dequeue(struct rtw_dev *rtwdev,
+ struct rtw_txq *rtwtxq)
+{
+ struct ieee80211_txq *txq = rtwtxq_to_txq(rtwtxq);
+ struct sk_buff *skb;
+
+ skb = ieee80211_tx_dequeue(rtwdev->hw, txq);
+ if (!skb)
+ return NULL;
+
+ return skb;
}
static void rtw_txq_push(struct rtw_dev *rtwdev,
struct rtw_txq *rtwtxq,
unsigned long frames)
{
+ struct sk_buff *skb;
+ int ret;
int i;
rcu_read_lock();
- for (i = 0; i < frames; i++)
- if (!rtw_txq_dequeue(rtwdev, rtwtxq))
+ for (i = 0; i < frames; i++) {
+ skb = rtw_txq_dequeue(rtwdev, rtwtxq);
+ if (!skb)
+ break;
+
+ ret = rtw_txq_push_skb(rtwdev, rtwtxq, skb);
+ if (ret) {
+ rtw_err(rtwdev, "failed to pusk skb, ret %d\n", ret);
break;
+ }
+ }
rcu_read_unlock();
}
@@ -523,6 +552,8 @@ void rtw_tx_tasklet(unsigned long data)
list_del_init(&rtwtxq->list);
}
+ rtw_hci_tx_kick_off(rtwdev);
+
spin_unlock_bh(&rtwdev->txq_lock);
}
diff --git a/drivers/net/wireless/realtek/rtw88/tx.h b/drivers/net/wireless/realtek/rtw88/tx.h
index e8e7756866b1..e488a2643eb3 100644
--- a/drivers/net/wireless/realtek/rtw88/tx.h
+++ b/drivers/net/wireless/realtek/rtw88/tx.h
@@ -85,7 +85,7 @@ void rtw_txq_cleanup(struct rtw_dev *rtwdev, struct ieee80211_txq *txq);
void rtw_tx_tasklet(unsigned long data);
void rtw_tx_pkt_info_update(struct rtw_dev *rtwdev,
struct rtw_tx_pkt_info *pkt_info,
- struct ieee80211_tx_control *control,
+ struct ieee80211_sta *sta,
struct sk_buff *skb);
void rtw_tx_fill_tx_desc(struct rtw_tx_pkt_info *pkt_info, struct sk_buff *skb);
void rtw_tx_report_enqueue(struct rtw_dev *rtwdev, struct sk_buff *skb, u8 sn);