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#ifndef __LINUX_BRIDGE_EBT_802_3_H

#define __LINUX_BRIDGE_EBT_802_3_H

#include <linux/types.h>

#include <linux/if_ether.h>

#define EBT_802_3_SAP 0x01

#define EBT_802_3_TYPE 0x02

#define EBT_802_3_MATCH "802_3"

/*

 * If frame has DSAP/SSAP value 0xaa you must check the SNAP type

 * to discover what kind of packet we're carrying.

 */

#define CHECK_TYPE 0xaa

/*

 * Control field may be one or two bytes.  If the first byte has

 * the value 0x03 then the entire length is one byte, otherwise it is two.

 * One byte controls are used in Unnumbered Information frames.

 * Two byte controls are used in Numbered Information frames.

 */

#define IS_UI 0x03

#define EBT_802_3_MASK (EBT_802_3_SAP | EBT_802_3_TYPE | EBT_802_3)

/* ui has one byte ctrl, ni has two */

struct hdr_ui {

        __u8 dsap;

        __u8 ssap;

        __u8 ctrl;

        __u8 orig[3];

        __be16 type;

};

struct hdr_ni {

        __u8 dsap;

        __u8 ssap;

        __be16 ctrl;

        __u8  orig[3];

        __be16 type;

};

struct ebt_802_3_hdr {

        __u8  daddr[ETH_ALEN];

        __u8  saddr[ETH_ALEN];

        __be16 len;

        union {

                struct hdr_ui ui;

                struct hdr_ni ni;

        } llc;

};

struct ebt_802_3_info {

        __u8  sap;

        __be16 type;

        __u8  bitmask;

        __u8  invflags;

};

#endif /* __LINUX_BRIDGE_EBT_802_3_H */