119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
#ifndef _LINUX_ATMBR2684_H
|
|
#define _LINUX_ATMBR2684_H
|
|
|
|
#include <linux/types.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) /* Unsupported */
|
|
|
|
/*
|
|
* 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 */
|