Release 4.7 include/uapi/linux/atmsap.h
/* 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;
}
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#endif
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