[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	17	/* used only at device creation: */
fb64c735	18	#define BR2684_FLAG_ROUTED (1<<16) /* payload is routed, not bridged */
097b19a9	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
1da177e4 LT	48	/*
	49	* This is for the ATM_NEWBACKENDIF call - these are like socket families:
	50	* the first element of the structure is the backend number and the rest
	51	* is per-backend specific
	52	*/
	53	struct atm_newif_br2684 {
fb64c735 CW	54	atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
	55	int media; /* BR2684_MEDIA_, flags in upper bits /
	56	char ifname[IFNAMSIZ];
	57	int mtu;
1da177e4 LT	58	};
	59
	60	/*
	61	* This structure is used to specify a br2684 interface - either by a
	62	* positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
	63	*/
	64	#define BR2684_FIND_BYNOTHING (0)
	65	#define BR2684_FIND_BYNUM (1)
	66	#define BR2684_FIND_BYIFNAME (2)
	67	struct br2684_if_spec {
fb64c735	68	int method; /* BR2684_FIND_* */
1da177e4	69	union {
fb64c735 CW	70	char ifname[IFNAMSIZ];
fb64c735 CW	71	int devnum;
1da177e4 LT	72	} spec;
	73	};
	74
	75	/*
	76	* This is for the ATM_SETBACKEND call - these are like socket families:
	77	* the first element of the structure is the backend number and the rest
	78	* is per-backend specific
	79	*/
	80	struct atm_backend_br2684 {
fb64c735	81	atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
1da177e4	82	struct br2684_if_spec ifspec;
fb64c735 CW	83	int fcs_in; /* BR2684_FCSIN_* */
	84	int fcs_out; /* BR2684_FCSOUT_* */
	85	int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */
	86	int encaps; /* BR2684_ENCAPS_* */
	87	int has_vpiid; /* 1: use vpn_id - Unsupported */
	88	__u8 vpn_id[7];
	89	int send_padding; /* unsupported */
	90	int min_size; /* we will pad smaller packets than this */
1da177e4 LT	91	};
	92
	93	/*
	94	* The BR2684_SETFILT ioctl is an experimental mechanism for folks
	95	* terminating a large number of IP-only vcc's. When netfilter allows
	96	* efficient per-if in/out filters, this support will be removed
	97	*/
	98	struct br2684_filter {
fb64c735 CW	99	__be32 prefix; /* network byte order */
fb64c735 CW	100	__be32 netmask; /* 0 = disable filter */
1da177e4 LT	101	};
	102
	103	struct br2684_filter_set {
	104	struct br2684_if_spec ifspec;
	105	struct br2684_filter filter;
	106	};
	107
097b19a9	108	enum br2684_payload {
fb64c735 CW	109	p_routed = BR2684_PAYLOAD_ROUTED,
fb64c735 CW	110	p_bridged = BR2684_PAYLOAD_BRIDGED,
097b19a9 EK	111	};
097b19a9 EK	112
1da177e4 LT	113	#define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \
	114	struct br2684_filter_set)
	115
	116	#endif /* _LINUX_ATMBR2684_H */