Commit 43dc088c authored by Raju Rangoju's avatar Raju Rangoju Committed by Jakub Kicinski
Browse files

amd-xgbe: add support for rx alignment errors 



Add the support to read the rx alignment errors and update
them in the standard rtnl_link_stats64 structure.

Signed-off-by: default avatarRaju Rangoju <Raju.Rangoju@amd.com>
Reviewed-by: default avatarJacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20260129111520.1567097-1-Raju.Rangoju@amd.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 820990d6

drivers/net/ethernet/amd/xgbe/xgbe-common.h

+3 −0
Original line number Diff line number Diff line
@@ -598,6 +598,7 @@ 
#define MMC_RXVLANFRAMES_GB_LO		0x0998

#define MMC_RXVLANFRAMES_GB_HI		0x099c

#define MMC_RXWATCHDOGERROR		0x09a0

#define MMC_RXALIGNMENTERROR		0x09bc



/* MMC register entry bit positions and sizes */

#define MMC_CR_CR_INDEX				0
@@ -658,6 +659,8 @@ 
#define MMC_RISR_RXVLANFRAMES_GB_WIDTH		1

#define MMC_RISR_RXWATCHDOGERROR_INDEX		22

#define MMC_RISR_RXWATCHDOGERROR_WIDTH		1

#define MMC_RISR_RXALIGNMENTERROR_INDEX		27

#define MMC_RISR_RXALIGNMENTERROR_WIDTH		1

#define MMC_TIER_ALL_INTERRUPTS_INDEX		0

#define MMC_TIER_ALL_INTERRUPTS_WIDTH		18

#define MMC_TISR_TXOCTETCOUNT_GB_INDEX		0

drivers/net/ethernet/amd/xgbe/xgbe-dev.c

+8 −0
Original line number Diff line number Diff line
@@ -2794,6 +2794,7 @@ static u64 xgbe_mmc_read(struct xgbe_prv_data *pdata, unsigned int reg_lo) 
		case MMC_RXUNDERSIZE_G:

		case MMC_RXOVERSIZE_G:

		case MMC_RXWATCHDOGERROR:

		case MMC_RXALIGNMENTERROR:

			read_hi = false;

			break;
@@ -2997,6 +2998,10 @@ static void xgbe_rx_mmc_int(struct xgbe_prv_data *pdata) 
	if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXWATCHDOGERROR))

		stats->rxwatchdogerror +=

			xgbe_mmc_read(pdata, MMC_RXWATCHDOGERROR);



	if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXALIGNMENTERROR))

		stats->rxalignmenterror +=

			xgbe_mmc_read(pdata, MMC_RXALIGNMENTERROR);

}



static void xgbe_read_mmc_stats(struct xgbe_prv_data *pdata)
@@ -3129,6 +3134,9 @@ static void xgbe_read_mmc_stats(struct xgbe_prv_data *pdata) 
	stats->rxwatchdogerror +=

		xgbe_mmc_read(pdata, MMC_RXWATCHDOGERROR);



	stats->rxalignmenterror +=

		xgbe_mmc_read(pdata, MMC_RXALIGNMENTERROR);



	/* Un-freeze counters */

	XGMAC_IOWRITE_BITS(pdata, MMC_CR, MCF, 0);

}

drivers/net/ethernet/amd/xgbe/xgbe-drv.c

+1 −0
Original line number Diff line number Diff line
@@ -1838,6 +1838,7 @@ static void xgbe_get_stats64(struct net_device *netdev, 
	s->rx_length_errors = pstats->rxlengtherror;

	s->rx_crc_errors = pstats->rxcrcerror;

	s->rx_over_errors = pstats->rxfifooverflow;

	s->rx_frame_errors = pstats->rxalignmenterror;



	s->tx_packets = pstats->txframecount_gb;

	s->tx_bytes = pstats->txoctetcount_gb;

drivers/net/ethernet/amd/xgbe/xgbe.h

+1 −0
Original line number Diff line number Diff line
@@ -659,6 +659,7 @@ struct xgbe_mmc_stats { 
	u64 rxfifooverflow;

	u64 rxvlanframes_gb;

	u64 rxwatchdogerror;

	u64 rxalignmenterror;

};



struct xgbe_ext_stats {