Commit cc75f9e5 authored by Sergey Matyukevich's avatar Sergey Matyukevich Committed by Kalle Valo
Browse files

qtnfmac: introduce counter for Rx underflow events 



Introduce counter for Rx underflow events. Export this counter via debugfs.

Signed-off-by: default avatarSergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 3cbc3a0f

drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c

+14 −2
Original line number Diff line number Diff line
@@ -686,14 +686,21 @@ static irqreturn_t qtnf_interrupt(int irq, void *data) 
	if (!(status & priv->pcie_irq_mask))

		goto irq_done;



	if (status & PCIE_HDP_INT_RX_BITS) {

	if (status & PCIE_HDP_INT_RX_BITS)

		priv->pcie_irq_rx_count++;



	if (status & PCIE_HDP_INT_TX_BITS)

		priv->pcie_irq_tx_count++;



	if (status & PCIE_HDP_INT_HHBM_UF)

		priv->pcie_irq_uf_count++;



	if (status & PCIE_HDP_INT_RX_BITS) {

		qtnf_dis_rxdone_irq(priv);

		napi_schedule(&bus->mux_napi);

	}



	if (status & PCIE_HDP_INT_TX_BITS) {

		priv->pcie_irq_tx_count++;

		qtnf_dis_txdone_irq(priv);

		tasklet_hi_schedule(&priv->reclaim_tq);

	}
@@ -1104,6 +1111,10 @@ static int qtnf_dbg_irq_stats(struct seq_file *s, void *data) 
	status = reg &  PCIE_HDP_INT_RX_BITS;

	seq_printf(s, "pcie_irq_rx_status(%s)\n",

		   (status == PCIE_HDP_INT_RX_BITS) ? "EN" : "DIS");

	seq_printf(s, "pcie_irq_uf_count(%u)\n", priv->pcie_irq_uf_count);

	status = reg &  PCIE_HDP_INT_HHBM_UF;

	seq_printf(s, "pcie_irq_hhbm_uf_status(%s)\n",

		   (status == PCIE_HDP_INT_HHBM_UF) ? "EN" : "DIS");



	return 0;

}
@@ -1189,6 +1200,7 @@ static int qtnf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) 
	pcie_priv->pcie_irq_count = 0;

	pcie_priv->pcie_irq_rx_count = 0;

	pcie_priv->pcie_irq_tx_count = 0;

	pcie_priv->pcie_irq_uf_count = 0;

	pcie_priv->tx_reclaim_done = 0;

	pcie_priv->tx_reclaim_req = 0;

drivers/net/wireless/quantenna/qtnfmac/pearl/pcie_bus_priv.h

+1 −0
Original line number Diff line number Diff line
@@ -78,6 +78,7 @@ struct qtnf_pcie_bus_priv { 
	u32 pcie_irq_count;

	u32 pcie_irq_rx_count;

	u32 pcie_irq_tx_count;

	u32 pcie_irq_uf_count;

	u32 tx_full_count;

	u32 tx_done_count;

	u32 tx_reclaim_done;

drivers/net/wireless/quantenna/qtnfmac/pearl/pcie_ipc.h

+1 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ 
#define PCIE_HDP_INT_RX_BITS (0		\

	| PCIE_HDP_INT_EP_TXDMA		\

	| PCIE_HDP_INT_EP_TXEMPTY	\

	| PCIE_HDP_INT_HHBM_UF		\

	)



#define PCIE_HDP_INT_TX_BITS (0		\

drivers/net/wireless/quantenna/qtnfmac/pearl/pcie_regs_pearl.h

+1 −0
Original line number Diff line number Diff line
@@ -333,6 +333,7 @@ 
#define PCIE_HDP_INT_RX_LEN_ERR		(BIT(2))

#define PCIE_HDP_INT_RX_HDR_LEN_ERR	(BIT(3))

#define PCIE_HDP_INT_EP_TXDMA		(BIT(12))

#define PCIE_HDP_INT_HHBM_UF		(BIT(13))

#define PCIE_HDP_INT_EP_TXEMPTY		(BIT(15))

#define PCIE_HDP_INT_IPC		(BIT(29))

CRA Git | Maintained and supported by SUSTech CRA and CCSE