i40e: fix incorrect ethtool statistics veb and veb.tc_

This patch fixes missing call of i40e_update_veb_stats() in function
i40e_get_ethtool_stats() to update stats data of VEB and VEB TC
counters before they are written into ethtool buffer.
Before the patch ethtool counters may fell behind interface counters.

Signed-off-by: Dmitrii Golovanov <dmitrii.golovanov@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.h b/drivers/net/ethernet/intel/i40e/i40e.h
index 84bd069..3e535d3 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -1021,6 +1021,7 @@ i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type)
        return NULL;
 }
 void i40e_update_stats(struct i40e_vsi *vsi);
+void i40e_update_veb_stats(struct i40e_veb *veb);
 void i40e_update_eth_stats(struct i40e_vsi *vsi);
 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
 int i40e_fetch_switch_configuration(struct i40e_pf *pf,

diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 527eb52..65e016f 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -2250,7 +2250,7 @@ static void i40e_get_ethtool_stats(struct net_device *netdev,
        struct i40e_netdev_priv *np = netdev_priv(netdev);
        struct i40e_vsi *vsi = np->vsi;
        struct i40e_pf *pf = vsi->back;
-       struct i40e_veb *veb = pf->veb[pf->lan_veb];
+       struct i40e_veb *veb = NULL;
        unsigned int i;
        bool veb_stats;
        u64 *p = data;
@@ -2273,8 +2273,14 @@ static void i40e_get_ethtool_stats(struct net_device *netdev,
                goto check_data_pointer;
 
        veb_stats = ((pf->lan_veb != I40E_NO_VEB) &&
+                    (pf->lan_veb < I40E_MAX_VEB) &&
                     (pf->flags & I40E_FLAG_VEB_STATS_ENABLED));
 
+       if (veb_stats) {
+               veb = pf->veb[pf->lan_veb];
+               i40e_update_veb_stats(veb);
+       }
+
        /* If veb stats aren't enabled, pass NULL instead of the veb so that
         * we initialize stats to zero and update the data pointer
         * intelligently

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 44da407..d39940b 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -677,7 +677,7 @@ void i40e_update_eth_stats(struct i40e_vsi *vsi)
  * i40e_update_veb_stats - Update Switch component statistics
  * @veb: the VEB being updated
  **/
-static void i40e_update_veb_stats(struct i40e_veb *veb)
+void i40e_update_veb_stats(struct i40e_veb *veb)
 {
        struct i40e_pf *pf = veb->pf;
        struct i40e_hw *hw = &pf->hw;