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1da177e4 LT |
1 | #ifndef _LINUX_ATMBR2684_H |
2 | #define _LINUX_ATMBR2684_H | |
3 | ||
f757f603 | 4 | #include <linux/types.h> |
1da177e4 LT |
5 | #include <linux/atm.h> |
6 | #include <linux/if.h> /* For IFNAMSIZ */ | |
7 | ||
8 | /* | |
9 | * Type of media we're bridging (ethernet, token ring, etc) Currently only | |
10 | * ethernet is supported | |
11 | */ | |
12 | #define BR2684_MEDIA_ETHERNET (0) /* 802.3 */ | |
13 | #define BR2684_MEDIA_802_4 (1) /* 802.4 */ | |
14 | #define BR2684_MEDIA_TR (2) /* 802.5 - token ring */ | |
15 | #define BR2684_MEDIA_FDDI (3) | |
16 | #define BR2684_MEDIA_802_6 (4) /* 802.6 */ | |
17 | ||
097b19a9 | 18 | /* used only at device creation: */ |
fb64c735 | 19 | #define BR2684_FLAG_ROUTED (1<<16) /* payload is routed, not bridged */ |
097b19a9 | 20 | |
1da177e4 LT |
21 | /* |
22 | * Is there FCS inbound on this VC? This currently isn't supported. | |
23 | */ | |
24 | #define BR2684_FCSIN_NO (0) | |
25 | #define BR2684_FCSIN_IGNORE (1) | |
26 | #define BR2684_FCSIN_VERIFY (2) | |
27 | ||
28 | /* | |
29 | * Is there FCS outbound on this VC? This currently isn't supported. | |
30 | */ | |
31 | #define BR2684_FCSOUT_NO (0) | |
32 | #define BR2684_FCSOUT_SENDZERO (1) | |
33 | #define BR2684_FCSOUT_GENERATE (2) | |
34 | ||
35 | /* | |
36 | * Does this VC include LLC encapsulation? | |
37 | */ | |
38 | #define BR2684_ENCAPS_VC (0) /* VC-mux */ | |
39 | #define BR2684_ENCAPS_LLC (1) | |
40 | #define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */ | |
41 | ||
097b19a9 EK |
42 | /* |
43 | * Is this VC bridged or routed? | |
44 | */ | |
45 | ||
46 | #define BR2684_PAYLOAD_ROUTED (0) | |
47 | #define BR2684_PAYLOAD_BRIDGED (1) | |
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 { | |
fb64c735 CW |
55 | atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */ |
56 | int media; /* BR2684_MEDIA_*, flags in upper bits */ | |
57 | char ifname[IFNAMSIZ]; | |
58 | int mtu; | |
1da177e4 LT |
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 { | |
fb64c735 | 69 | int method; /* BR2684_FIND_* */ |
1da177e4 | 70 | union { |
fb64c735 CW |
71 | char ifname[IFNAMSIZ]; |
72 | int devnum; | |
1da177e4 LT |
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 { | |
fb64c735 | 82 | atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */ |
1da177e4 | 83 | struct br2684_if_spec ifspec; |
fb64c735 CW |
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 */ | |
1da177e4 LT |
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 { | |
fb64c735 CW |
100 | __be32 prefix; /* network byte order */ |
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 | 109 | enum br2684_payload { |
fb64c735 CW |
110 | p_routed = BR2684_PAYLOAD_ROUTED, |
111 | p_bridged = BR2684_PAYLOAD_BRIDGED, | |
097b19a9 EK |
112 | }; |
113 | ||
1da177e4 LT |
114 | #define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \ |
115 | struct br2684_filter_set) | |
116 | ||
117 | #endif /* _LINUX_ATMBR2684_H */ |