+/* ethernet-input frame flags and scalar data */
+
+/* all packets in frame share same sw_if_index */
+#define ETH_INPUT_FRAME_F_SINGLE_SW_IF_IDX (1 << 0)
+
+/* all ip4 packets in frame have correct ip4 checksum */
+#define ETH_INPUT_FRAME_F_IP4_CKSUM_OK (1 << 1)
+
+typedef struct
+{
+ u32 sw_if_index;
+ u32 hw_if_index;
+} ethernet_input_frame_t;
+