1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index e1967fbad161..3ef71a0f99a8 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -207,7 +207,9 @@ out:
         return 0;
 }
 
-/* Test and clear MC-rebooted flag for this port/function */
+/* Test and clear MC-rebooted flag for this port/function; reset
+ * software state as necessary.
+ */
 int efx_mcdi_poll_reboot(struct efx_nic *efx)
 {
         unsigned int addr = FR_CZ_MC_TREG_SMEM + MCDI_STATUS(efx);
@@ -223,6 +225,11 @@ int efx_mcdi_poll_reboot(struct efx_nic *efx)
         if (value == 0)
                 return 0;
 
+        /* MAC statistics have been cleared on the NIC; clear our copy
+         * so that efx_update_diff_stat() can continue to work.
+         */
+        memset(&efx->mac_stats, 0, sizeof(efx->mac_stats));
+
         EFX_ZERO_DWORD(reg);
         efx_writed(efx, &reg, addr);