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amd-xgbe: add support for rx alignment errors

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

Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20260129111520.1567097-1-Raju.Rangoju@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Raju Rangoju
2026-01-29 16:45:20 +05:30
committed by Jakub Kicinski
parent 820990d665
commit 43dc088c19
4 changed files with 13 additions and 0 deletions
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3
drivers/net/ethernet/amd/xgbe/xgbe-common.h
View File

@@ -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

8
drivers/net/ethernet/amd/xgbe/xgbe-dev.c
View File

@@ -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);
}

1
drivers/net/ethernet/amd/xgbe/xgbe-drv.c
View File

@@ -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;

1
drivers/net/ethernet/amd/xgbe/xgbe.h
View File

@@ -659,6 +659,7 @@ struct xgbe_mmc_stats {
u64 rxfifooverflow;
u64 rxvlanframes_gb;
u64 rxwatchdogerror;
u64 rxalignmenterror;
};
struct xgbe_ext_stats {