net: ether: Add support for multiplexing and aggregation type

Define the Qualcomm multiplexing and aggregation (MAP) ether type 0x00F9.
This is needed for receiving data in the MAP protocol like RMNET. This is
not an officially registered ID.
Signed-off-by: NSubash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/uapi/linux/if_ether.h

@@ -140,6 +140,9 @@
 #define ETH_P_IEEE802154 0x00F6		/* IEEE802.15.4 frame		*/
 #define ETH_P_CAIF	0x00F7		/* ST-Ericsson CAIF protocol	*/
 #define ETH_P_XDSA	0x00F8		/* Multiplexed DSA protocol	*/
+#define ETH_P_MAP	0x00F9		/* Qualcomm multiplexing and
+					 * aggregation protocol
+					 */
 
 /*
  *	This is an Ethernet frame header.