net/ixgbe: fix Rx errors statistics for UDP checksum

[ upstream commit 2ee14c8 ]

Restrict the "remove l3_l4_xsum_errors from rx_errors" to 82599 only for
hardware errata.

Fixes: 256ff05 ("ixgbe: fix Rx errors statistics for UDP checksum")

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>

drivers/net/ixgbe/ixgbe_ethdev.c

@@ -3382,6 +3382,13 @@ ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 			  hw_stats->fccrc +
 			  hw_stats->fclast;
 
+	/*
+	 * 82599 errata, UDP frames with a 0 checksum can be marked as checksum
+	 * errors.
+	 */
+	if (hw->mac.type != ixgbe_mac_82599EB)
+		stats->ierrors += hw_stats->xec;
+
 	/* Tx Errors */
 	stats->oerrors  = 0;
 	return 0;