1 files changed, 5 insertions, 0 deletions

diff --git a/include/uapi/linux/can/gw.h b/include/uapi/linux/can/gw.h
index 3e6184cf2f6d..5079b9d57e31 100644
--- a/include/uapi/linux/can/gw.h
+++ b/include/uapi/linux/can/gw.h
@@ -78,6 +78,7 @@ enum {
         CGW_FILTER,     /* specify struct can_filter on source CAN device */
         CGW_DELETED,    /* number of deleted CAN frames (see max_hops param) */
         CGW_LIM_HOPS,   /* limit the number of hops of this specific rule */
+        CGW_MOD_UID,    /* user defined identifier for modification updates */
         __CGW_MAX
 };
 
@@ -162,6 +163,10 @@ enum {
  * load time of the can-gw module). This value is used to reduce the number of
  * possible hops for this gateway rule to a value smaller then max_hops.
  *
+ * CGW_MOD_UID (length 4 bytes):
+ * Optional non-zero user defined routing job identifier to alter existing
+ * modification settings at runtime.
+ *
  * CGW_CS_XOR (length 4 bytes):
  * Set a simple XOR checksum starting with an initial value into
  * data[result-idx] using data[start-idx] .. data[end-idx]