[deliverable/linux.git] / include / linux / atmbr2684.h

#ifndef _LINUX_ATMBR2684_H
#define _LINUX_ATMBR2684_H

#include <linux/atm.h>
#include <linux/if.h>		/* For IFNAMSIZ */

/*
 * Type of media we're bridging (ethernet, token ring, etc)  Currently only
 * ethernet is supported
 */
#define BR2684_MEDIA_ETHERNET	(0)	/* 802.3 */
#define BR2684_MEDIA_802_4	(1)	/* 802.4 */
#define BR2684_MEDIA_TR		(2)	/* 802.5 - token ring */
#define BR2684_MEDIA_FDDI	(3)
#define BR2684_MEDIA_802_6	(4)	/* 802.6 */

					/* used only at device creation:  */
#define BR2684_FLAG_ROUTED	(1<<16) /* payload is routed, not bridged */

/*
 * Is there FCS inbound on this VC?  This currently isn't supported.
 */
#define BR2684_FCSIN_NO		(0)
#define BR2684_FCSIN_IGNORE	(1)
#define BR2684_FCSIN_VERIFY	(2)

/*
 * Is there FCS outbound on this VC?  This currently isn't supported.
 */
#define BR2684_FCSOUT_NO	(0)
#define BR2684_FCSOUT_SENDZERO	(1)
#define BR2684_FCSOUT_GENERATE	(2)

/*
 * Does this VC include LLC encapsulation?
 */
#define BR2684_ENCAPS_VC	(0)	/* VC-mux */
#define BR2684_ENCAPS_LLC	(1)
#define BR2684_ENCAPS_AUTODETECT (2)	/* Unsuported */

/*
 * Is this VC bridged or routed?
 */

#define BR2684_PAYLOAD_ROUTED   (0)
#define BR2684_PAYLOAD_BRIDGED  (1)


/*
 * This is for the ATM_NEWBACKENDIF call - these are like socket families:
 * the first element of the structure is the backend number and the rest
 * is per-backend specific
 */
struct atm_newif_br2684 {
	atm_backend_t	backend_num;	/* ATM_BACKEND_BR2684 */
	int		media;		/* BR2684_MEDIA_*, flags in upper bits */
	char		ifname[IFNAMSIZ];
	int		mtu;
};

/*
 * This structure is used to specify a br2684 interface - either by a
 * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
 */
#define BR2684_FIND_BYNOTHING	(0)
#define BR2684_FIND_BYNUM	(1)
#define BR2684_FIND_BYIFNAME	(2)
struct br2684_if_spec {
	int method;			/* BR2684_FIND_* */
	union {
		char		ifname[IFNAMSIZ];
		int		devnum;
	} spec;
};

/*
 * This is for the ATM_SETBACKEND call - these are like socket families:
 * the first element of the structure is the backend number and the rest
 * is per-backend specific
 */
struct atm_backend_br2684 {
	atm_backend_t	backend_num;	/* ATM_BACKEND_BR2684 */
	struct br2684_if_spec ifspec;
	int	fcs_in;		/* BR2684_FCSIN_* */
	int	fcs_out;	/* BR2684_FCSOUT_* */
	int	fcs_auto;	/* 1: fcs_{in,out} disabled if no FCS rx'ed */
	int	encaps;		/* BR2684_ENCAPS_* */
	int	has_vpiid;	/* 1: use vpn_id - Unsupported */
	__u8	vpn_id[7];
	int	send_padding;	/* unsupported */
	int	min_size;	/* we will pad smaller packets than this */
};

/*
 * The BR2684_SETFILT ioctl is an experimental mechanism for folks
 * terminating a large number of IP-only vcc's.  When netfilter allows
 * efficient per-if in/out filters, this support will be removed
 */
struct br2684_filter {
	__be32	prefix;		/* network byte order */
	__be32	netmask;	/* 0 = disable filter */
};

struct br2684_filter_set {
	struct br2684_if_spec ifspec;
	struct br2684_filter filter;
};

enum br2684_payload {
        p_routed = BR2684_PAYLOAD_ROUTED,
        p_bridged = BR2684_PAYLOAD_BRIDGED,
};

#define BR2684_SETFILT	_IOW( 'a', ATMIOC_BACKEND + 0, \
				struct br2684_filter_set)

#endif /* _LINUX_ATMBR2684_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_ATMBR2684_H
	2	#define _LINUX_ATMBR2684_H
	3
	4	#include <linux/atm.h>
	5	#include <linux/if.h> /* For IFNAMSIZ */
	6
	7	/*
	8	* Type of media we're bridging (ethernet, token ring, etc) Currently only
	9	* ethernet is supported
	10	*/
	11	#define BR2684_MEDIA_ETHERNET (0) /* 802.3 */
	12	#define BR2684_MEDIA_802_4 (1) /* 802.4 */
	13	#define BR2684_MEDIA_TR (2) /* 802.5 - token ring */
	14	#define BR2684_MEDIA_FDDI (3)
	15	#define BR2684_MEDIA_802_6 (4) /* 802.6 */
	16
097b19a9 EK	17	/* used only at device creation: */
	18	#define BR2684_FLAG_ROUTED (1<<16) /* payload is routed, not bridged */
	19
1da177e4 LT	20	/*
	21	* Is there FCS inbound on this VC? This currently isn't supported.
	22	*/
	23	#define BR2684_FCSIN_NO (0)
	24	#define BR2684_FCSIN_IGNORE (1)
	25	#define BR2684_FCSIN_VERIFY (2)
	26
	27	/*
	28	* Is there FCS outbound on this VC? This currently isn't supported.
	29	*/
	30	#define BR2684_FCSOUT_NO (0)
	31	#define BR2684_FCSOUT_SENDZERO (1)
	32	#define BR2684_FCSOUT_GENERATE (2)
	33
	34	/*
	35	* Does this VC include LLC encapsulation?
	36	*/
	37	#define BR2684_ENCAPS_VC (0) /* VC-mux */
	38	#define BR2684_ENCAPS_LLC (1)
	39	#define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */
	40
097b19a9 EK	41	/*
	42	* Is this VC bridged or routed?
	43	*/
	44
	45	#define BR2684_PAYLOAD_ROUTED (0)
	46	#define BR2684_PAYLOAD_BRIDGED (1)
	47
	48
1da177e4 LT	49	/*
	50	* This is for the ATM_NEWBACKENDIF call - these are like socket families:
	51	* the first element of the structure is the backend number and the rest
	52	* is per-backend specific
	53	*/
	54	struct atm_newif_br2684 {
	55	atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
097b19a9	56	int media; /* BR2684_MEDIA_, flags in upper bits /
1da177e4 LT	57	char ifname[IFNAMSIZ];
	58	int mtu;
	59	};
	60
	61	/*
	62	* This structure is used to specify a br2684 interface - either by a
	63	* positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
	64	*/
	65	#define BR2684_FIND_BYNOTHING (0)
	66	#define BR2684_FIND_BYNUM (1)
	67	#define BR2684_FIND_BYIFNAME (2)
	68	struct br2684_if_spec {
	69	int method; /* BR2684_FIND_* */
	70	union {
	71	char ifname[IFNAMSIZ];
	72	int devnum;
	73	} spec;
	74	};
	75
	76	/*
	77	* This is for the ATM_SETBACKEND call - these are like socket families:
	78	* the first element of the structure is the backend number and the rest
	79	* is per-backend specific
	80	*/
	81	struct atm_backend_br2684 {
	82	atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
	83	struct br2684_if_spec ifspec;
	84	int fcs_in; /* BR2684_FCSIN_* */
	85	int fcs_out; /* BR2684_FCSOUT_* */
	86	int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */
	87	int encaps; /* BR2684_ENCAPS_* */
	88	int has_vpiid; /* 1: use vpn_id - Unsupported */
	89	__u8 vpn_id[7];
	90	int send_padding; /* unsupported */
	91	int min_size; /* we will pad smaller packets than this */
	92	};
	93
	94	/*
	95	* The BR2684_SETFILT ioctl is an experimental mechanism for folks
	96	* terminating a large number of IP-only vcc's. When netfilter allows
	97	* efficient per-if in/out filters, this support will be removed
	98	*/
	99	struct br2684_filter {
30d492da AV	100	__be32 prefix; /* network byte order */
30d492da AV	101	__be32 netmask; /* 0 = disable filter */
1da177e4 LT	102	};
	103
	104	struct br2684_filter_set {
	105	struct br2684_if_spec ifspec;
	106	struct br2684_filter filter;
	107	};
	108
097b19a9 EK	109	enum br2684_payload {
	110	p_routed = BR2684_PAYLOAD_ROUTED,
	111	p_bridged = BR2684_PAYLOAD_BRIDGED,
	112	};
	113
1da177e4 LT	114	#define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \
	115	struct br2684_filter_set)
	116
	117	#endif /* _LINUX_ATMBR2684_H */