enic: bug fix: included MAC drops in rx_dropped netstat

Bug fix: included MAC drops in rx_dropped netstat.  Also track Rx trunctations
stat at the MAC

Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 9 insertions, 3 deletions

diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
index cfe94b2e03a..f7c5b334bc7 100644
--- a/drivers/net/enic/enic.h
+++ b/drivers/net/enic/enic.h
@@ -99,6 +99,7 @@ struct enic {
         ____cacheline_aligned struct vnic_rq rq[1];
         unsigned int rq_count;
         int (*rq_alloc_buf)(struct vnic_rq *rq);
+        u64 rq_truncated_pkts;
         u64 rq_bad_fcs;
         struct napi_struct napi;
         struct net_lro_mgr lro_mgr;
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 36cf0fcc66f..b265b103c21 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -738,8 +738,9 @@ static struct net_device_stats *enic_get_stats(struct net_device *netdev)
         net_stats->rx_bytes = stats->rx.rx_bytes_ok;
         net_stats->rx_errors = stats->rx.rx_errors;
         net_stats->multicast = stats->rx.rx_multicast_frames_ok;
+        net_stats->rx_over_errors = enic->rq_truncated_pkts;
         net_stats->rx_crc_errors = enic->rq_bad_fcs;
-        net_stats->rx_dropped = stats->rx.rx_no_bufs;
+        net_stats->rx_dropped = stats->rx.rx_no_bufs + stats->rx.rx_drop;
 
         return net_stats;
 }
@@ -1029,8 +1030,12 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
 
         if (packet_error) {
 
-                if (bytes_written > 0 && !fcs_ok)
-                        enic->rq_bad_fcs++;
+                if (!fcs_ok) {
+                        if (bytes_written > 0)
+                                enic->rq_bad_fcs++;
+                        else if (bytes_written == 0)
+                                enic->rq_truncated_pkts++;
+                }
 
                 dev_kfree_skb_any(skb);