ixgbe: Add FCoE related statistics to 82599

This adds FCoE related statistics to 82599, including number Rx-ed and Tx-ed
FCoE packets, number of Rx-ed and Tx-ed FCoE packets in dwords, number of bad
Fiber Channel CRCs detected in FCoE packets, and number of FCoE packets dropped
on the Rx side.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ixgbe/ixgbe_ethtool.c

@@ -91,6 +91,14 @@ static struct ixgbe_stats ixgbe_gstrings_stats[] = {
 	{"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
 	{"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
 	{"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
+#ifdef IXGBE_FCOE
+	{"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
+	{"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
+	{"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
+	{"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
+	{"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
+	{"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
+#endif /* IXGBE_FCOE */
 };
 
 #define IXGBE_QUEUE_STATS_LEN \

drivers/net/ixgbe/ixgbe_main.c

@@ -4002,6 +4002,14 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 		IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */
 		adapter->stats.lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
 		adapter->stats.lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
+#ifdef IXGBE_FCOE
+		adapter->stats.fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC);
+		adapter->stats.fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC);
+		adapter->stats.fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC);
+		adapter->stats.fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC);
+		adapter->stats.fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
+		adapter->stats.fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
+#endif /* IXGBE_FCOE */
 	} else {
 		adapter->stats.lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
 		adapter->stats.lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);

drivers/net/ixgbe/ixgbe_type.h

@@ -2157,6 +2157,12 @@ struct ixgbe_hw_stats {
 	u64 fdirfstat_fremove;
 	u64 fdirmatch;
 	u64 fdirmiss;
+	u64 fccrc;
+	u64 fcoerpdc;
+	u64 fcoeprc;
+	u64 fcoeptc;
+	u64 fcoedwrc;
+	u64 fcoedwtc;
 };
 
 /* forward declaration */