qlcnic: additional driver statistics

Added additional driver statistics to track errors in rcv/tx path.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index e4fd5dcdfb4c..5845dc0616b1 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -1589,8 +1589,10 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 
         pdev = adapter->pdev;
 
-        if (qlcnic_map_tx_skb(pdev, skb, pbuf))
+        if (qlcnic_map_tx_skb(pdev, skb, pbuf)) {
+                adapter->stats.tx_dma_map_error++;
                 goto drop_packet;
+        }
 
         pbuf->skb = skb;
         pbuf->frag_count = frag_count;