/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2007 - 2016 Realtek Corporation. All rights reserved. */


#ifndef _LINUX_IF_ETHER_H
#define _LINUX_IF_ETHER_H

/*
 *	IEEE 802.3 Ethernet magic constants.  The frame sizes omit the preamble
 *	and FCS/CRC (frame check sequence).
 */

#define ETH_ALEN	6		/* Octets in one ethernet addr	 */
#define ETH_HLEN	14		/* Total octets in header.	 */
#define ETH_ZLEN	60		/* Min. octets in frame sans FCS */
#define ETH_DATA_LEN	1500		/* Max. octets in payload	 */
#define ETH_FRAME_LEN	1514		/* Max. octets in frame sans FCS */

/*
 *	These are the defined Ethernet Protocol ID's.
 */

#define ETH_P_LOOP	0x0060		/* Ethernet Loopback packet	*/
#define ETH_P_PUP	0x0200		/* Xerox PUP packet		*/
#define ETH_P_PUPAT	0x0201		/* Xerox PUP Addr Trans packet	*/
#define ETH_P_IP	0x0800		/* Internet Protocol packet	*/
#define ETH_P_X25	0x0805		/* CCITT X.25			*/
#define ETH_P_ARP	0x0806		/* Address Resolution packet	*/
#define	ETH_P_BPQ	0x08FF		/* G8BPQ AX.25 Ethernet Packet	[ NOT AN OFFICIALLY REGISTERED ID ] */
#define ETH_P_IEEEPUP	0x0a00		/* Xerox IEEE802.3 PUP packet */
#define ETH_P_IEEEPUPAT	0x0a01		/* Xerox IEEE802.3 PUP Addr Trans packet */
#define ETH_P_DEC       0x6000          /* DEC Assigned proto          */
#define ETH_P_DNA_DL    0x6001          /* DEC DNA Dump/Load           */
#define ETH_P_DNA_RC    0x6002          /* DEC DNA Remote Console      */
#define ETH_P_DNA_RT    0x6003          /* DEC DNA Routing             */
#define ETH_P_LAT       0x6004          /* DEC LAT                     */
#define ETH_P_DIAG      0x6005          /* DEC Diagnostics             */
#define ETH_P_CUST      0x6006          /* DEC Customer use            */
#define ETH_P_SCA       0x6007          /* DEC Systems Comms Arch      */
#define ETH_P_RARP      0x8035		/* Reverse Addr Res packet	*/
#define ETH_P_ATALK	0x809B		/* Appletalk DDP		*/
#define ETH_P_AARP	0x80F3		/* Appletalk AARP		*/
#define ETH_P_8021Q	0x8100          /* 802.1Q VLAN Extended Header */
#define ETH_P_IPX	0x8137		/* IPX over DIX			*/
#define ETH_P_IPV6	0x86DD		/* IPv6 over bluebook		*/
#define ETH_P_PPP_DISC	0x8863		/* PPPoE discovery messages    */
#define ETH_P_PPP_SES	0x8864		/* PPPoE session messages	*/
#define ETH_P_ATMMPOA	0x884c		/* MultiProtocol Over ATM	*/
#define ETH_P_ATMFATE	0x8884		/* Frame-based ATM Transport
					 * over Ethernet
					 */

/*
 *	Non DIX types. Won't clash for 1500 types.
 */

#define ETH_P_802_3	0x0001		/* Dummy type for 802.3 frames */
#define ETH_P_AX25	0x0002		/* Dummy protocol id for AX.25 */
#define ETH_P_ALL	0x0003		/* Every packet (be careful!!!) */
#define ETH_P_802_2	0x0004		/* 802.2 frames 		*/
#define ETH_P_SNAP	0x0005		/* Internal only		*/
#define ETH_P_DDCMP     0x0006          /* DEC DDCMP: Internal only    */
#define ETH_P_WAN_PPP   0x0007          /* Dummy type for WAN PPP frames*/
#define ETH_P_PPP_MP    0x0008          /* Dummy type for PPP MP frames */
#define ETH_P_LOCALTALK 0x0009		/* Localtalk pseudo type 	*/
#define ETH_P_PPPTALK	0x0010		/* Dummy type for Atalk over PPP*/
#define ETH_P_TR_802_2	0x0011		/* 802.2 frames 		*/
#define ETH_P_MOBITEX	0x0015		/* Mobitex (kaz@cafe.net)	*/
#define ETH_P_CONTROL	0x0016		/* Card specific control frames */
#define ETH_P_IRDA	0x0017		/* Linux-IrDA			*/
#define ETH_P_ECONET	0x0018		/* Acorn Econet			*/

/*
 *	This is an Ethernet frame header.
 */

struct ethhdr {
	unsigned char	h_dest[ETH_ALEN];	/* destination eth addr	*/
	unsigned char	h_source[ETH_ALEN];	/* source ether addr	*/
	unsigned short	h_proto;		/* packet type ID field	*/
};

struct _vlan {
	unsigned short       h_vlan_TCI;                /* Encapsulates priority and VLAN ID */
	unsigned short       h_vlan_encapsulated_proto;
};



#define get_vlan_id(pvlan) ((ntohs((unsigned short)pvlan->h_vlan_TCI)) & 0xfff)
#define get_vlan_priority(pvlan) ((ntohs((unsigned short)pvlan->h_vlan_TCI))>>13)
#define get_vlan_encap_proto(pvlan) (ntohs((unsigned short)pvlan->h_vlan_encapsulated_proto))


#endif	/* _LINUX_IF_ETHER_H */