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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]; |
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 */ |
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, |
110 | p_bridged = BR2684_PAYLOAD_BRIDGED, | |
097b19a9 EK |
111 | }; |
112 | ||
1da177e4 LT |
113 | #define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \ |
114 | struct br2684_filter_set) | |
115 | ||
116 | #endif /* _LINUX_ATMBR2684_H */ |