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, 4 insertions, 0 deletions

diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 28c148cbe37b..6c1da71025e1 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -428,6 +428,10 @@ struct qlcnic_adapter_stats {
         u64  xmit_on;
         u64  xmit_off;
         u64  skb_alloc_failure;
+        u64  null_skb;
+        u64  null_rxbuf;
+        u64  rx_dma_map_error;
+        u64  tx_dma_map_error;
 };
 
 /*