1 files changed, 46 insertions, 1 deletions

diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
index 2524d9b88d59..aa812c63d5af 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
@@ -404,12 +404,16 @@ static int fbnic_hwtstamp_set(struct net_device *netdev,
 static void fbnic_get_stats64(struct net_device *dev,
 			      struct rtnl_link_stats64 *stats64)
 {
+	u64 rx_bytes, rx_packets, rx_dropped = 0, rx_errors = 0;
 	u64 tx_bytes, tx_packets, tx_dropped = 0;
-	u64 rx_bytes, rx_packets, rx_dropped = 0;
 	struct fbnic_net *fbn = netdev_priv(dev);
+	struct fbnic_dev *fbd = fbn->fbd;
 	struct fbnic_queue_stats *stats;
+	u64 rx_over = 0, rx_missed = 0;
 	unsigned int start, i;
 
+	fbnic_get_hw_stats(fbd);
+
 	stats = &fbn->tx_stats;
 
 	tx_bytes = stats->bytes;
@@ -420,6 +424,12 @@ static void fbnic_get_stats64(struct net_device *dev,
 	stats64->tx_packets = tx_packets;
 	stats64->tx_dropped = tx_dropped;
 
+	/* Record drops from Tx HW Datapath */
+	tx_dropped += fbd->hw_stats.tmi.drop.frames.value +
+		      fbd->hw_stats.tti.cm_drop.frames.value +
+		      fbd->hw_stats.tti.frame_drop.frames.value +
+		      fbd->hw_stats.tti.tbi_drop.frames.value;
+
 	for (i = 0; i < fbn->num_tx_queues; i++) {
 		struct fbnic_ring *txr = fbn->tx[i];
 
@@ -445,9 +455,34 @@ static void fbnic_get_stats64(struct net_device *dev,
 	rx_packets = stats->packets;
 	rx_dropped = stats->dropped;
 
+	spin_lock(&fbd->hw_stats_lock);
+	/* Record drops for the host FIFOs.
+	 * 4: network to Host,	6: BMC to Host
+	 * Exclude the BMC and MC FIFOs as those stats may contain drops
+	 * due to unrelated items such as TCAM misses. They are still
+	 * accessible through the ethtool stats.
+	 */
+	i = FBNIC_RXB_FIFO_HOST;
+	rx_missed += fbd->hw_stats.rxb.fifo[i].drop.frames.value;
+	i = FBNIC_RXB_FIFO_BMC_TO_HOST;
+	rx_missed += fbd->hw_stats.rxb.fifo[i].drop.frames.value;
+
+	for (i = 0; i < fbd->max_num_queues; i++) {
+		/* Report packets dropped due to CQ/BDQ being full/empty */
+		rx_over += fbd->hw_stats.hw_q[i].rde_pkt_cq_drop.value;
+		rx_over += fbd->hw_stats.hw_q[i].rde_pkt_bdq_drop.value;
+
+		/* Report packets with errors */
+		rx_errors += fbd->hw_stats.hw_q[i].rde_pkt_err.value;
+	}
+	spin_unlock(&fbd->hw_stats_lock);
+
 	stats64->rx_bytes = rx_bytes;
 	stats64->rx_packets = rx_packets;
 	stats64->rx_dropped = rx_dropped;
+	stats64->rx_over_errors = rx_over;
+	stats64->rx_errors = rx_errors;
+	stats64->rx_missed_errors = rx_missed;
 
 	for (i = 0; i < fbn->num_rx_queues; i++) {
 		struct fbnic_ring *rxr = fbn->rx[i];
@@ -487,6 +522,7 @@ static void fbnic_get_queue_stats_rx(struct net_device *dev, int idx,
 {
 	struct fbnic_net *fbn = netdev_priv(dev);
 	struct fbnic_ring *rxr = fbn->rx[idx];
+	struct fbnic_dev *fbd = fbn->fbd;
 	struct fbnic_queue_stats *stats;
 	u64 bytes, packets, alloc_fail;
 	u64 csum_complete, csum_none;
@@ -510,6 +546,15 @@ static void fbnic_get_queue_stats_rx(struct net_device *dev, int idx,
 	rx->alloc_fail = alloc_fail;
 	rx->csum_complete = csum_complete;
 	rx->csum_none = csum_none;
+
+	fbnic_get_hw_q_stats(fbd, fbd->hw_stats.hw_q);
+
+	spin_lock(&fbd->hw_stats_lock);
+	rx->hw_drop_overruns = fbd->hw_stats.hw_q[idx].rde_pkt_cq_drop.value +
+			       fbd->hw_stats.hw_q[idx].rde_pkt_bdq_drop.value;
+	rx->hw_drops = fbd->hw_stats.hw_q[idx].rde_pkt_err.value +
+		       rx->hw_drop_overruns;
+	spin_unlock(&fbd->hw_stats_lock);
 }
 
 static void fbnic_get_queue_stats_tx(struct net_device *dev, int idx,