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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _LINUX_ATMBR2684_H |
| 2 | #define _LINUX_ATMBR2684_H |
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| 3 | |||
| 4 | #include <linux/atm.h> |
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| 5 | #include <linux/if.h> /* For IFNAMSIZ */ |
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| 6 | |||
| 7 | /* |
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| 8 | * Type of media we're bridging (ethernet, token ring, etc) Currently only |
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| 9 | * ethernet is supported |
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| 10 | */ |
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| 11 | #define BR2684_MEDIA_ETHERNET (0) /* 802.3 */ |
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| 12 | #define BR2684_MEDIA_802_4 (1) /* 802.4 */ |
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| 13 | #define BR2684_MEDIA_TR (2) /* 802.5 - token ring */ |
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| 14 | #define BR2684_MEDIA_FDDI (3) |
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| 15 | #define BR2684_MEDIA_802_6 (4) /* 802.6 */ |
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| 16 | |||
| 17 | /* |
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| 18 | * Is there FCS inbound on this VC? This currently isn't supported. |
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| 19 | */ |
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| 20 | #define BR2684_FCSIN_NO (0) |
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| 21 | #define BR2684_FCSIN_IGNORE (1) |
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| 22 | #define BR2684_FCSIN_VERIFY (2) |
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| 23 | |||
| 24 | /* |
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| 25 | * Is there FCS outbound on this VC? This currently isn't supported. |
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| 26 | */ |
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| 27 | #define BR2684_FCSOUT_NO (0) |
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| 28 | #define BR2684_FCSOUT_SENDZERO (1) |
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| 29 | #define BR2684_FCSOUT_GENERATE (2) |
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| 30 | |||
| 31 | /* |
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| 32 | * Does this VC include LLC encapsulation? |
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| 33 | */ |
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| 34 | #define BR2684_ENCAPS_VC (0) /* VC-mux */ |
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| 35 | #define BR2684_ENCAPS_LLC (1) |
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| 36 | #define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */ |
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| 37 | |||
| 38 | /* |
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| 39 | * This is for the ATM_NEWBACKENDIF call - these are like socket families: |
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| 40 | * the first element of the structure is the backend number and the rest |
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| 41 | * is per-backend specific |
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| 42 | */ |
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| 43 | struct atm_newif_br2684 { |
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| 44 | atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */ |
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| 45 | int media; /* BR2684_MEDIA_* */ |
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| 46 | char ifname[IFNAMSIZ]; |
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| 47 | int mtu; |
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| 48 | }; |
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| 49 | |||
| 50 | /* |
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| 51 | * This structure is used to specify a br2684 interface - either by a |
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| 52 | * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name |
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| 53 | */ |
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| 54 | #define BR2684_FIND_BYNOTHING (0) |
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| 55 | #define BR2684_FIND_BYNUM (1) |
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| 56 | #define BR2684_FIND_BYIFNAME (2) |
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| 57 | struct br2684_if_spec { |
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| 58 | int method; /* BR2684_FIND_* */ |
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| 59 | union { |
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| 60 | char ifname[IFNAMSIZ]; |
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| 61 | int devnum; |
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| 62 | } spec; |
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| 63 | }; |
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| 64 | |||
| 65 | /* |
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| 66 | * This is for the ATM_SETBACKEND call - these are like socket families: |
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| 67 | * the first element of the structure is the backend number and the rest |
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| 68 | * is per-backend specific |
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| 69 | */ |
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| 70 | struct atm_backend_br2684 { |
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| 71 | atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */ |
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| 72 | struct br2684_if_spec ifspec; |
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| 73 | int fcs_in; /* BR2684_FCSIN_* */ |
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| 74 | int fcs_out; /* BR2684_FCSOUT_* */ |
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| 75 | int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */ |
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| 76 | int encaps; /* BR2684_ENCAPS_* */ |
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| 77 | int has_vpiid; /* 1: use vpn_id - Unsupported */ |
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| 78 | __u8 vpn_id[7]; |
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| 79 | int send_padding; /* unsupported */ |
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| 80 | int min_size; /* we will pad smaller packets than this */ |
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| 81 | }; |
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| 82 | |||
| 83 | /* |
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| 84 | * The BR2684_SETFILT ioctl is an experimental mechanism for folks |
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| 85 | * terminating a large number of IP-only vcc's. When netfilter allows |
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| 86 | * efficient per-if in/out filters, this support will be removed |
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| 87 | */ |
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| 88 | struct br2684_filter { |
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| 89 | __u32 prefix; /* network byte order */ |
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| 90 | __u32 netmask; /* 0 = disable filter */ |
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| 91 | }; |
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| 92 | |||
| 93 | struct br2684_filter_set { |
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| 94 | struct br2684_if_spec ifspec; |
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| 95 | struct br2684_filter filter; |
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| 96 | }; |
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| 97 | |||
| 98 | #define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \ |
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| 99 | struct br2684_filter_set) |
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| 100 | |||
| 101 | #endif /* _LINUX_ATMBR2684_H */ |