diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h
index ef0eff247d9b847b7db9e98baddbee8ba37106d6..50c50cdc3e22f27ddab7330d45f69444e78843e9 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h
@@ -47,6 +47,22 @@ struct rmnet_map_header {
 	u16 pkt_len;
 }  __aligned(1);
 
+struct rmnet_map_dl_csum_trailer {
+	u8  reserved1;
+	u8  valid:1;
+	u8  reserved2:7;
+	u16 csum_start_offset;
+	u16 csum_length;
+	__be16 csum_value;
+} __aligned(1);
+
+struct rmnet_map_ul_csum_header {
+	__be16 csum_start_offset;
+	u16 csum_insert_offset:14;
+	u16 udp_ip4_ind:1;
+	u16 csum_enabled:1;
+} __aligned(1);
+
 #define RMNET_MAP_GET_MUX_ID(Y) (((struct rmnet_map_header *) \
 				 (Y)->data)->mux_id)
 #define RMNET_MAP_GET_CD_BIT(Y) (((struct rmnet_map_header *) \
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_private.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_private.h
index d21428078504a0280e4a9ea1aad56e868e642284..de0143eaa05ab7fb6ca7ec93a8b8e8d7700eb88b 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_private.h
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_private.h
@@ -21,6 +21,8 @@
 /* Constants */
 #define RMNET_INGRESS_FORMAT_DEAGGREGATION      BIT(0)
 #define RMNET_INGRESS_FORMAT_MAP_COMMANDS       BIT(1)
+#define RMNET_INGRESS_FORMAT_MAP_CKSUMV4        BIT(2)
+#define RMNET_EGRESS_FORMAT_MAP_CKSUMV4         BIT(3)
 
 /* Replace skb->dev to a virtual rmnet device and pass up the stack */
 #define RMNET_EPMODE_VND (1)