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Message-Id: <20210409190314.946192-3-anthony.l.nguyen@intel.com>
Date:   Fri,  9 Apr 2021 12:03:12 -0700
From:   Tony Nguyen <anthony.l.nguyen@...el.com>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     Radoslaw Tyl <radoslawx.tyl@...el.com>, netdev@...r.kernel.org,
        sassmann@...hat.com, anthony.l.nguyen@...el.com,
        Tony Brelinski <tonyx.brelinski@...el.com>
Subject: [PATCH net-next 2/4] ixgbe: aggregate of all receive errors through netdev's rx_errors

From: Radoslaw Tyl <radoslawx.tyl@...el.com>

The global rx error does not take into account all the error counters
that are counted by device.

Extend rx error with the following counters:
- illegal byte error
- number of receive fragment errors
- receive jabber
- receive oversize error
- receive undersize error
- frames marked as checksum invalid by hardware

The above were added in order to align statistics with other products.

Signed-off-by: Radoslaw Tyl <radoslawx.tyl@...el.com>
Tested-by: Tony Brelinski <tonyx.brelinski@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 7ba1c2985ef7..7711828401d9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -7240,12 +7240,21 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 	hwstats->ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023);
 	hwstats->ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522);
 	hwstats->bptc += IXGBE_READ_REG(hw, IXGBE_BPTC);
+	hwstats->illerrc += IXGBE_READ_REG(hw, IXGBE_ILLERRC);
 
 	/* Fill out the OS statistics structure */
 	netdev->stats.multicast = hwstats->mprc;
 
 	/* Rx Errors */
-	netdev->stats.rx_errors = hwstats->crcerrs + hwstats->rlec;
+	netdev->stats.rx_errors = hwstats->crcerrs +
+				    hwstats->illerrc +
+				    hwstats->rlec +
+				    hwstats->rfc +
+				    hwstats->rjc +
+				    hwstats->roc +
+				    hwstats->ruc +
+				    hw_csum_rx_error;
+
 	netdev->stats.rx_dropped = 0;
 	netdev->stats.rx_length_errors = hwstats->rlec;
 	netdev->stats.rx_crc_errors = hwstats->crcerrs;
-- 
2.26.2

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