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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | /* atmsap.h - ATM Service Access Point addressing definitions */ /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ #ifndef _LINUX_ATMSAP_H #define _LINUX_ATMSAP_H #include <linux/atmapi.h> /* * BEGIN_xx and END_xx markers are used for automatic generation of * documentation. Do not change them. */ /* * Layer 2 protocol identifiers */ /* BEGIN_L2 */ #define ATM_L2_NONE 0 /* L2 not specified */ #define ATM_L2_ISO1745 0x01 /* Basic mode ISO 1745 */ #define ATM_L2_Q291 0x02 /* ITU-T Q.291 (Rec. I.441) */ #define ATM_L2_X25_LL 0x06 /* ITU-T X.25, link layer */ #define ATM_L2_X25_ML 0x07 /* ITU-T X.25, multilink */ #define ATM_L2_LAPB 0x08 /* Extended LAPB, half-duplex (Rec. T.71) */ #define ATM_L2_HDLC_ARM 0x09 /* HDLC ARM (ISO/IEC 4335) */ #define ATM_L2_HDLC_NRM 0x0a /* HDLC NRM (ISO/IEC 4335) */ #define ATM_L2_HDLC_ABM 0x0b /* HDLC ABM (ISO/IEC 4335) */ #define ATM_L2_ISO8802 0x0c /* LAN LLC (ISO/IEC 8802/2) */ #define ATM_L2_X75 0x0d /* ITU-T X.75, SLP */ #define ATM_L2_Q922 0x0e /* ITU-T Q.922 */ #define ATM_L2_USER 0x10 /* user-specified */ #define ATM_L2_ISO7776 0x11 /* ISO 7776 DTE-DTE */ /* END_L2 */ /* * Layer 3 protocol identifiers */ /* BEGIN_L3 */ #define ATM_L3_NONE 0 /* L3 not specified */ #define ATM_L3_X25 0x06 /* ITU-T X.25, packet layer */ #define ATM_L3_ISO8208 0x07 /* ISO/IEC 8208 */ #define ATM_L3_X223 0x08 /* ITU-T X.223 | ISO/IEC 8878 */ #define ATM_L3_ISO8473 0x09 /* ITU-T X.233 | ISO/IEC 8473 */ #define ATM_L3_T70 0x0a /* ITU-T T.70 minimum network layer */ #define ATM_L3_TR9577 0x0b /* ISO/IEC TR 9577 */ #define ATM_L3_H310 0x0c /* ITU-T Recommendation H.310 */ #define ATM_L3_H321 0x0d /* ITU-T Recommendation H.321 */ #define ATM_L3_USER 0x10 /* user-specified */ /* END_L3 */ /* * High layer identifiers */ /* BEGIN_HL */ #define ATM_HL_NONE 0 /* HL not specified */ #define ATM_HL_ISO 0x01 /* ISO */ #define ATM_HL_USER 0x02 /* user-specific */ #define ATM_HL_HLP 0x03 /* high layer profile - UNI 3.0 only */ #define ATM_HL_VENDOR 0x04 /* vendor-specific application identifier */ /* END_HL */ /* * ITU-T coded mode of operation */ /* BEGIN_IMD */ #define ATM_IMD_NONE 0 /* mode not specified */ #define ATM_IMD_NORMAL 1 /* normal mode of operation */ #define ATM_IMD_EXTENDED 2 /* extended mode of operation */ /* END_IMD */ /* * H.310 code points */ #define ATM_TT_NONE 0 /* terminal type not specified */ #define ATM_TT_RX 1 /* receive only */ #define ATM_TT_TX 2 /* send only */ #define ATM_TT_RXTX 3 /* receive and send */ #define ATM_MC_NONE 0 /* no multiplexing */ #define ATM_MC_TS 1 /* transport stream (TS) */ #define ATM_MC_TS_FEC 2 /* transport stream with forward error corr. */ #define ATM_MC_PS 3 /* program stream (PS) */ #define ATM_MC_PS_FEC 4 /* program stream with forward error corr. */ #define ATM_MC_H221 5 /* ITU-T Rec. H.221 */ /* * SAP structures */ #define ATM_MAX_HLI 8 /* maximum high-layer information length */ struct atm_blli { unsigned char l2_proto; /* layer 2 protocol */ union { struct { unsigned char mode; /* mode of operation (ATM_IMD_xxx), 0 if */ /* absent */ unsigned char window; /* window size (k), 1-127 (0 to omit) */ } itu; /* ITU-T encoding */ unsigned char user; /* user-specified l2 information */ } l2; unsigned char l3_proto; /* layer 3 protocol */ union { struct { unsigned char mode; /* mode of operation (ATM_IMD_xxx), 0 if */ /* absent */ unsigned char def_size; /* default packet size (log2), 4-12 (0 to */ /* omit) */ unsigned char window;/* packet window size, 1-127 (0 to omit) */ } itu; /* ITU-T encoding */ unsigned char user; /* user specified l3 information */ struct { /* if l3_proto = ATM_L3_H310 */ unsigned char term_type; /* terminal type */ unsigned char fw_mpx_cap; /* forward multiplexing capability */ /* only if term_type != ATM_TT_NONE */ unsigned char bw_mpx_cap; /* backward multiplexing capability */ /* only if term_type != ATM_TT_NONE */ } h310; struct { /* if l3_proto = ATM_L3_TR9577 */ unsigned char ipi; /* initial protocol id */ unsigned char snap[5];/* IEEE 802.1 SNAP identifier */ /* (only if ipi == NLPID_IEEE802_1_SNAP) */ } tr9577; } l3; } __ATM_API_ALIGN; struct atm_bhli { unsigned char hl_type; /* high layer information type */ unsigned char hl_length; /* length (only if hl_type == ATM_HL_USER || */ /* hl_type == ATM_HL_ISO) */ unsigned char hl_info[ATM_MAX_HLI];/* high layer information */ }; #define ATM_MAX_BLLI 3 /* maximum number of BLLI elements */ struct atm_sap { struct atm_bhli bhli; /* local SAP, high-layer information */ struct atm_blli blli[ATM_MAX_BLLI] __ATM_API_ALIGN; /* local SAP, low-layer info */ }; static __inline__ int blli_in_use(struct atm_blli blli) { return blli.l2_proto || blli.l3_proto; } #endif |