1 files changed, 5 insertions, 1 deletions

diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h
index 55b6feead93b..5c1066b4dc41 100644
--- a/include/linux/usb/cdc_ncm.h
+++ b/include/linux/usb/cdc_ncm.h
@@ -72,7 +72,9 @@
 /* Restart the timer, if amount of datagrams is less than given value */
 #define CDC_NCM_RESTART_TIMER_DATAGRAM_CNT      3
 #define CDC_NCM_TIMER_PENDING_CNT               2
-#define CDC_NCM_TIMER_INTERVAL                  (400UL * NSEC_PER_USEC)
+#define CDC_NCM_TIMER_INTERVAL_USEC             400UL
+#define CDC_NCM_TIMER_INTERVAL_MIN              5UL
+#define CDC_NCM_TIMER_INTERVAL_MAX              (15UL * USEC_PER_SEC)
 
 /* The following macro defines the minimum header space */
 #define CDC_NCM_MIN_HDR_SIZE \
@@ -107,6 +109,8 @@ struct cdc_ncm_ctx {
         spinlock_t mtx;
         atomic_t stop;
 
+        u64 timer_interval;
+
         u32 tx_timer_pending;
         u32 tx_curr_frame_num;
         u32 rx_max;