i40e: add tx_busy to ethtool stats

This patch adds the tx_busy stat to the ethtool stats. The tx_busy
stat tracks the number of times we return NETDEV_TX_BUSY to the stack
during transmit.

Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index e6e58e8..329e59e 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -66,6 +66,7 @@ static const struct i40e_stats i40e_gstrings_misc_stats[] = {
        I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
        I40E_VSI_STAT("tx_linearize", tx_linearize),
        I40E_VSI_STAT("tx_force_wb", tx_force_wb),
+       I40E_VSI_STAT("tx_busy", tx_busy),
        I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed),
        I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
 };