bnxt: report FEC block stats via standard interface

I must have missed that these stats are only exposed
via the unstructured ethtool -S when they got merged.
Plumb in the structured form.
Reviewed-by: NMichael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20221130013108.90062-1-kuba@kernel.orgSigned-off-by: NJakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

@@ -2007,6 +2007,14 @@ static void bnxt_get_fec_stats(struct net_device *dev,
 	rx = bp->rx_port_stats_ext.sw_stats;
 	fec_stats->corrected_bits.total =
 		*(rx + BNXT_RX_STATS_EXT_OFFSET(rx_corrected_bits));
+
+	if (bp->fw_rx_stats_ext_size <= BNXT_RX_STATS_EXT_NUM_LEGACY)
+		return;
+
+	fec_stats->corrected_blocks.total =
+		*(rx + BNXT_RX_STATS_EXT_OFFSET(rx_fec_corrected_blocks));
+	fec_stats->uncorrectable_blocks.total =
+		*(rx + BNXT_RX_STATS_EXT_OFFSET(rx_fec_uncorrectable_blocks));
 }
 
 static u32 bnxt_ethtool_forced_fec_to_fw(struct bnxt_link_info *link_info,