alistair23-linux/include/uapi/linux/netfilter_bridge/ebt_802_3.h
Joe Perches e216975ad9 uapi: Convert some uses of 6 to ETH_ALEN
Use the #define where appropriate.

Add #include <linux/if_ether.h>
where appropriate too.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-02 12:33:54 -07:00

64 lines
1.2 KiB
C

#ifndef _UAPI__LINUX_BRIDGE_EBT_802_3_H
#define _UAPI__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 /* _UAPI__LINUX_BRIDGE_EBT_802_3_H */