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Diffstat (limited to 'src/plugins/vmxnet3/vmxnet3.c')
-rw-r--r--src/plugins/vmxnet3/vmxnet3.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/plugins/vmxnet3/vmxnet3.c b/src/plugins/vmxnet3/vmxnet3.c
index 08d4d5cea52..a5a62e99fe5 100644
--- a/src/plugins/vmxnet3/vmxnet3.c
+++ b/src/plugins/vmxnet3/vmxnet3.c
@@ -97,6 +97,23 @@ vmxnet3_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index,
node_index);
}
+static void
+vmxnet3_clear_hw_interface_counters (u32 instance)
+{
+ vmxnet3_main_t *vmxm = &vmxnet3_main;
+ vmxnet3_device_t *vd = pool_elt_at_index (vmxm->devices, instance);
+ vmxnet3_queues *q = &vd->dma->queues;
+
+ /*
+ * Set the "last_cleared_stats" to the current stats, so that
+ * things appear to clear from a display perspective.
+ */
+ vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
+
+ clib_memcpy (&vd->tx_stats, &q->tx.stats, sizeof (vd->tx_stats));
+ clib_memcpy (&vd->rx_stats, &q->rx.stats, sizeof (vd->rx_stats));
+}
+
static char *vmxnet3_tx_func_error_strings[] = {
#define _(n,s) s,
foreach_vmxnet3_tx_func_error
@@ -110,6 +127,7 @@ VNET_DEVICE_CLASS (vmxnet3_device_class,) =
.format_device = format_vmxnet3_device,
.format_device_name = format_vmxnet3_device_name,
.admin_up_down_function = vmxnet3_interface_admin_up_down,
+ .clear_counters = vmxnet3_clear_hw_interface_counters,
.rx_mode_change_function = vmxnet3_interface_rx_mode_change,
.rx_redirect_to_node = vmxnet3_set_interface_next_node,
.tx_function_n_errors = VMXNET3_TX_N_ERROR,