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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
17/*
18 * Is there FCS inbound on this VC? This currently isn't supported.
19 */
20#define BR2684_FCSIN_NO (0)
21#define BR2684_FCSIN_IGNORE (1)
22#define BR2684_FCSIN_VERIFY (2)
23
24/*
25 * Is there FCS outbound on this VC? This currently isn't supported.
26 */
27#define BR2684_FCSOUT_NO (0)
28#define BR2684_FCSOUT_SENDZERO (1)
29#define BR2684_FCSOUT_GENERATE (2)
30
31/*
32 * Does this VC include LLC encapsulation?
33 */
34#define BR2684_ENCAPS_VC (0) /* VC-mux */
35#define BR2684_ENCAPS_LLC (1)
36#define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */
37
38/*
39 * This is for the ATM_NEWBACKENDIF call - these are like socket families:
40 * the first element of the structure is the backend number and the rest
41 * is per-backend specific
42 */
43struct atm_newif_br2684 {
44 atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
45 int media; /* BR2684_MEDIA_* */
46 char ifname[IFNAMSIZ];
47 int mtu;
48};
49
50/*
51 * This structure is used to specify a br2684 interface - either by a
52 * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
53 */
54#define BR2684_FIND_BYNOTHING (0)
55#define BR2684_FIND_BYNUM (1)
56#define BR2684_FIND_BYIFNAME (2)
57struct br2684_if_spec {
58 int method; /* BR2684_FIND_* */
59 union {
60 char ifname[IFNAMSIZ];
61 int devnum;
62 } spec;
63};
64
65/*
66 * This is for the ATM_SETBACKEND call - these are like socket families:
67 * the first element of the structure is the backend number and the rest
68 * is per-backend specific
69 */
70struct atm_backend_br2684 {
71 atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
72 struct br2684_if_spec ifspec;
73 int fcs_in; /* BR2684_FCSIN_* */
74 int fcs_out; /* BR2684_FCSOUT_* */
75 int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */
76 int encaps; /* BR2684_ENCAPS_* */
77 int has_vpiid; /* 1: use vpn_id - Unsupported */
78 __u8 vpn_id[7];
79 int send_padding; /* unsupported */
80 int min_size; /* we will pad smaller packets than this */
81};
82
83/*
84 * The BR2684_SETFILT ioctl is an experimental mechanism for folks
85 * terminating a large number of IP-only vcc's. When netfilter allows
86 * efficient per-if in/out filters, this support will be removed
87 */
88struct br2684_filter {
89 __u32 prefix; /* network byte order */
90 __u32 netmask; /* 0 = disable filter */
91};
92
93struct br2684_filter_set {
94 struct br2684_if_spec ifspec;
95 struct br2684_filter filter;
96};
97
98#define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \
99 struct br2684_filter_set)
100
101#endif /* _LINUX_ATMBR2684_H */