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1 #ifndef _LINUX_ATMBR2684_H |
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2 #define _LINUX_ATMBR2684_H |
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3 |
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4 #include <linux/atm.h> |
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5 #include <linux/if.h> /* For IFNAMSIZ */ |
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6 |
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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 |
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17 /* used only at device creation: */ |
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18 #define BR2684_FLAG_ROUTED (1<<16) /* payload is routed, not bridged */ |
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19 |
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20 /* |
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21 * Is there FCS inbound on this VC? This currently isn't supported. |
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22 */ |
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23 #define BR2684_FCSIN_NO (0) |
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24 #define BR2684_FCSIN_IGNORE (1) |
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25 #define BR2684_FCSIN_VERIFY (2) |
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26 |
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27 /* |
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28 * Is there FCS outbound on this VC? This currently isn't supported. |
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29 */ |
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30 #define BR2684_FCSOUT_NO (0) |
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31 #define BR2684_FCSOUT_SENDZERO (1) |
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32 #define BR2684_FCSOUT_GENERATE (2) |
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33 |
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34 /* |
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35 * Does this VC include LLC encapsulation? |
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36 */ |
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37 #define BR2684_ENCAPS_VC (0) /* VC-mux */ |
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38 #define BR2684_ENCAPS_LLC (1) |
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39 #define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */ |
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40 |
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41 /* |
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42 * Is this VC bridged or routed? |
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43 */ |
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44 |
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45 #define BR2684_PAYLOAD_ROUTED (0) |
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46 #define BR2684_PAYLOAD_BRIDGED (1) |
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47 |
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48 /* |
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49 * This is for the ATM_NEWBACKENDIF call - these are like socket families: |
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50 * the first element of the structure is the backend number and the rest |
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51 * is per-backend specific |
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52 */ |
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53 struct atm_newif_br2684 { |
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54 atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */ |
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55 int media; /* BR2684_MEDIA_*, flags in upper bits */ |
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56 char ifname[IFNAMSIZ]; |
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57 int mtu; |
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58 }; |
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59 |
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60 /* |
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61 * This structure is used to specify a br2684 interface - either by a |
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62 * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name |
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63 */ |
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64 #define BR2684_FIND_BYNOTHING (0) |
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65 #define BR2684_FIND_BYNUM (1) |
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66 #define BR2684_FIND_BYIFNAME (2) |
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67 struct br2684_if_spec { |
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68 int method; /* BR2684_FIND_* */ |
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69 union { |
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70 char ifname[IFNAMSIZ]; |
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71 int devnum; |
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72 } spec; |
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73 }; |
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74 |
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75 /* |
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76 * This is for the ATM_SETBACKEND call - these are like socket families: |
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77 * the first element of the structure is the backend number and the rest |
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78 * is per-backend specific |
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79 */ |
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80 struct atm_backend_br2684 { |
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81 atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */ |
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82 struct br2684_if_spec ifspec; |
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83 int fcs_in; /* BR2684_FCSIN_* */ |
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84 int fcs_out; /* BR2684_FCSOUT_* */ |
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85 int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */ |
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86 int encaps; /* BR2684_ENCAPS_* */ |
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87 int has_vpiid; /* 1: use vpn_id - Unsupported */ |
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88 __u8 vpn_id[7]; |
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89 int send_padding; /* unsupported */ |
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90 int min_size; /* we will pad smaller packets than this */ |
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91 }; |
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92 |
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93 /* |
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94 * The BR2684_SETFILT ioctl is an experimental mechanism for folks |
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95 * terminating a large number of IP-only vcc's. When netfilter allows |
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96 * efficient per-if in/out filters, this support will be removed |
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97 */ |
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98 struct br2684_filter { |
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99 __be32 prefix; /* network byte order */ |
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100 __be32 netmask; /* 0 = disable filter */ |
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101 }; |
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102 |
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103 struct br2684_filter_set { |
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104 struct br2684_if_spec ifspec; |
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105 struct br2684_filter filter; |
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106 }; |
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107 |
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108 enum br2684_payload { |
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109 p_routed = BR2684_PAYLOAD_ROUTED, |
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110 p_bridged = BR2684_PAYLOAD_BRIDGED, |
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111 }; |
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112 |
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113 #define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \ |
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114 struct br2684_filter_set) |
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115 |
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116 #endif /* _LINUX_ATMBR2684_H */ |