Commit dfe073f8 authored by Minda Chen's avatar Minda Chen Committed by David S. Miller
Browse files

net: stmmac: mmc_core: Add GMAC LPI statistics 



XGMAC MMC has already added LPI statistics. GMAC MMC lack of these
statistics. Add register definition and reading the LPI statistics
from registers.

Signed-off-by: default avatarMinda Chen <minda.chen@starfivetech.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 49563be8

drivers/net/ethernet/stmicro/stmmac/mmc_core.c

+11 −0
Original line number Diff line number Diff line
@@ -79,6 +79,12 @@ 
#define MMC_RX_FIFO_OVERFLOW		0xd4

#define MMC_RX_VLAN_FRAMES_GB		0xd8

#define MMC_RX_WATCHDOG_ERROR		0xdc



#define MMC_TX_LPI_USEC			0xec

#define MMC_TX_LPI_TRAN			0xf0

#define MMC_RX_LPI_USEC			0xf4

#define MMC_RX_LPI_TRAN			0xf8



/* IPC*/

#define MMC_RX_IPC_INTR_MASK		0x100

#define MMC_RX_IPC_INTR			0x108
@@ -283,6 +289,8 @@ static void dwmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc) 
	mmc->mmc_tx_excessdef += readl(mmcaddr + MMC_TX_EXCESSDEF);

	mmc->mmc_tx_pause_frame += readl(mmcaddr + MMC_TX_PAUSE_FRAME);

	mmc->mmc_tx_vlan_frame_g += readl(mmcaddr + MMC_TX_VLAN_FRAME_G);

	mmc->mmc_tx_lpi_usec += readl(mmcaddr + MMC_TX_LPI_USEC);

	mmc->mmc_tx_lpi_tran += readl(mmcaddr + MMC_TX_LPI_TRAN);



	/* MMC RX counter registers */

	mmc->mmc_rx_framecount_gb += readl(mmcaddr + MMC_RX_FRAMECOUNT_GB);
@@ -316,6 +324,9 @@ static void dwmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc) 
	mmc->mmc_rx_fifo_overflow += readl(mmcaddr + MMC_RX_FIFO_OVERFLOW);

	mmc->mmc_rx_vlan_frames_gb += readl(mmcaddr + MMC_RX_VLAN_FRAMES_GB);

	mmc->mmc_rx_watchdog_error += readl(mmcaddr + MMC_RX_WATCHDOG_ERROR);

	mmc->mmc_rx_lpi_usec += readl(mmcaddr + MMC_RX_LPI_USEC);

	mmc->mmc_rx_lpi_tran += readl(mmcaddr + MMC_RX_LPI_TRAN);



	/* IPv4 */

	mmc->mmc_rx_ipv4_gd += readl(mmcaddr + MMC_RX_IPV4_GD);

	mmc->mmc_rx_ipv4_hderr += readl(mmcaddr + MMC_RX_IPV4_HDERR);