130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* atmsap.h - ATM Service Access Point addressing definitions */ 230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ 430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#ifndef _LINUX_ATMSAP_H 730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define _LINUX_ATMSAP_H 830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#include <linux/atmapi.h> 1030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 1130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 1230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * BEGIN_xx and END_xx markers are used for automatic generation of 1330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * documentation. Do not change them. 1430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 1530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 1630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 1730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 1830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Layer 2 protocol identifiers 1930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 2030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 2130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* BEGIN_L2 */ 2230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_NONE 0 /* L2 not specified */ 2330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_ISO1745 0x01 /* Basic mode ISO 1745 */ 2430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_Q291 0x02 /* ITU-T Q.291 (Rec. I.441) */ 2530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_X25_LL 0x06 /* ITU-T X.25, link layer */ 2630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_X25_ML 0x07 /* ITU-T X.25, multilink */ 2730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_LAPB 0x08 /* Extended LAPB, half-duplex (Rec. T.71) */ 2830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_HDLC_ARM 0x09 /* HDLC ARM (ISO/IEC 4335) */ 2930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_HDLC_NRM 0x0a /* HDLC NRM (ISO/IEC 4335) */ 3030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_HDLC_ABM 0x0b /* HDLC ABM (ISO/IEC 4335) */ 3130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_ISO8802 0x0c /* LAN LLC (ISO/IEC 8802/2) */ 3230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_X75 0x0d /* ITU-T X.75, SLP */ 3330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_Q922 0x0e /* ITU-T Q.922 */ 3430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_USER 0x10 /* user-specified */ 3530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L2_ISO7776 0x11 /* ISO 7776 DTE-DTE */ 3630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* END_L2 */ 3730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 3830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 3930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 4030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Layer 3 protocol identifiers 4130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 4230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 4330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* BEGIN_L3 */ 4430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L3_NONE 0 /* L3 not specified */ 4530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L3_X25 0x06 /* ITU-T X.25, packet layer */ 4630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L3_ISO8208 0x07 /* ISO/IEC 8208 */ 4730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L3_X223 0x08 /* ITU-T X.223 | ISO/IEC 8878 */ 4830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L3_ISO8473 0x09 /* ITU-T X.233 | ISO/IEC 8473 */ 4930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L3_T70 0x0a /* ITU-T T.70 minimum network layer */ 5030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L3_TR9577 0x0b /* ISO/IEC TR 9577 */ 5130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L3_H310 0x0c /* ITU-T Recommendation H.310 */ 5230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L3_H321 0x0d /* ITU-T Recommendation H.321 */ 5330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_L3_USER 0x10 /* user-specified */ 5430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* END_L3 */ 5530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 5830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * High layer identifiers 5930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 6030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 6130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* BEGIN_HL */ 6230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_HL_NONE 0 /* HL not specified */ 6330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_HL_ISO 0x01 /* ISO */ 6430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_HL_USER 0x02 /* user-specific */ 6530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_HL_HLP 0x03 /* high layer profile - UNI 3.0 only */ 6630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_HL_VENDOR 0x04 /* vendor-specific application identifier */ 6730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* END_HL */ 6830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 6930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 7030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 7130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * ITU-T coded mode of operation 7230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 7330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 7430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* BEGIN_IMD */ 7530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_IMD_NONE 0 /* mode not specified */ 7630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_IMD_NORMAL 1 /* normal mode of operation */ 7730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_IMD_EXTENDED 2 /* extended mode of operation */ 7830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* END_IMD */ 7930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 8030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 8130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * H.310 code points 8230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 8330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 8430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_TT_NONE 0 /* terminal type not specified */ 8530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_TT_RX 1 /* receive only */ 8630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_TT_TX 2 /* send only */ 8730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_TT_RXTX 3 /* receive and send */ 8830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 8930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_MC_NONE 0 /* no multiplexing */ 9030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_MC_TS 1 /* transport stream (TS) */ 9130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_MC_TS_FEC 2 /* transport stream with forward error corr. */ 9230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_MC_PS 3 /* program stream (PS) */ 9330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_MC_PS_FEC 4 /* program stream with forward error corr. */ 9430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_MC_H221 5 /* ITU-T Rec. H.221 */ 9530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 9630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 9730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * SAP structures 9830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 9930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 10030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_MAX_HLI 8 /* maximum high-layer information length */ 10130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 10230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 10330692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct atm_blli { 10430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char l2_proto; /* layer 2 protocol */ 10530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng union { 10630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct { 10730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char mode; /* mode of operation (ATM_IMD_xxx), 0 if */ 10830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* absent */ 10930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char window; /* window size (k), 1-127 (0 to omit) */ 11030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng } itu; /* ITU-T encoding */ 11130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char user; /* user-specified l2 information */ 11230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng } l2; 11330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char l3_proto; /* layer 3 protocol */ 11430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng union { 11530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct { 11630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char mode; /* mode of operation (ATM_IMD_xxx), 0 if */ 11730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* absent */ 11830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char def_size; /* default packet size (log2), 4-12 (0 to */ 11930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* omit) */ 12030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char window;/* packet window size, 1-127 (0 to omit) */ 12130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng } itu; /* ITU-T encoding */ 12230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char user; /* user specified l3 information */ 12330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct { /* if l3_proto = ATM_L3_H310 */ 12430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char term_type; /* terminal type */ 12530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char fw_mpx_cap; /* forward multiplexing capability */ 12630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* only if term_type != ATM_TT_NONE */ 12730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char bw_mpx_cap; /* backward multiplexing capability */ 12830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* only if term_type != ATM_TT_NONE */ 12930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng } h310; 13030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct { /* if l3_proto = ATM_L3_TR9577 */ 13130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char ipi; /* initial protocol id */ 13230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char snap[5];/* IEEE 802.1 SNAP identifier */ 13330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* (only if ipi == NLPID_IEEE802_1_SNAP) */ 13430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng } tr9577; 13530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng } l3; 13630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __ATM_API_ALIGN; 13730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 13830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 13930692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct atm_bhli { 14030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char hl_type; /* high layer information type */ 14130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char hl_length; /* length (only if hl_type == ATM_HL_USER || */ 14230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* hl_type == ATM_HL_ISO) */ 14330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned char hl_info[ATM_MAX_HLI];/* high layer information */ 14430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 14530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 14630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 14730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define ATM_MAX_BLLI 3 /* maximum number of BLLI elements */ 14830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 14930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 15030692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct atm_sap { 15130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct atm_bhli bhli; /* local SAP, high-layer information */ 15230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct atm_blli blli[ATM_MAX_BLLI] __ATM_API_ALIGN; 15330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* local SAP, low-layer info */ 15430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 15530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 15630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 15730692c65c4174412c90e79489e98ab85c1a7412fBen Chengstatic __inline__ int blli_in_use(struct atm_blli blli) 15830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng{ 15930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng return blli.l2_proto || blli.l3_proto; 16030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} 16130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 16230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif 163