qede: Add support for capturing additional stats in ethtool-stats display.

The patch adds driver support for capturing stats ttl0_discard and
packet_too_big_discard in "ethtool -S" display.

Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qede/qede.h

@@ -36,6 +36,8 @@
 
 struct qede_stats {
 	u64 no_buff_discards;
+	u64 packet_too_big_discard;
+	u64 ttl0_discard;
 	u64 rx_ucast_bytes;
 	u64 rx_mcast_bytes;
 	u64 rx_bcast_bytes;

drivers/net/ethernet/qlogic/qede/qede_ethtool.c

@@ -107,6 +107,8 @@ static const struct {
 	QEDE_PF_STAT(mftag_filter_discards),
 	QEDE_PF_STAT(mac_filter_discards),
 	QEDE_STAT(tx_err_drop_pkts),
+	QEDE_STAT(ttl0_discard),
+	QEDE_STAT(packet_too_big_discard),
 
 	QEDE_STAT(coalesced_pkts),
 	QEDE_STAT(coalesced_events),

drivers/net/ethernet/qlogic/qede/qede_main.c

@@ -1694,6 +1694,8 @@ void qede_fill_by_demand_stats(struct qede_dev *edev)
 
 	edev->ops->get_vport_stats(edev->cdev, &stats);
 	edev->stats.no_buff_discards = stats.no_buff_discards;
+	edev->stats.packet_too_big_discard = stats.packet_too_big_discard;
+	edev->stats.ttl0_discard = stats.ttl0_discard;
 	edev->stats.rx_ucast_bytes = stats.rx_ucast_bytes;
 	edev->stats.rx_mcast_bytes = stats.rx_mcast_bytes;
 	edev->stats.rx_bcast_bytes = stats.rx_bcast_bytes;