1 /* atmsap.h - ATM Service Access Point addressing definitions */
3 /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
6 #ifndef _LINUX_ATMSAP_H
7 #define _LINUX_ATMSAP_H
9 #include <linux/atmapi.h>
12 * BEGIN_xx and END_xx markers are used for automatic generation of
13 * documentation. Do not change them.
18 * Layer 2 protocol identifiers
22 #define ATM_L2_NONE 0 /* L2 not specified */
23 #define ATM_L2_ISO1745 0x01 /* Basic mode ISO 1745 */
24 #define ATM_L2_Q291 0x02 /* ITU-T Q.291 (Rec. I.441) */
25 #define ATM_L2_X25_LL 0x06 /* ITU-T X.25, link layer */
26 #define ATM_L2_X25_ML 0x07 /* ITU-T X.25, multilink */
27 #define ATM_L2_LAPB 0x08 /* Extended LAPB, half-duplex (Rec. T.71) */
28 #define ATM_L2_HDLC_ARM 0x09 /* HDLC ARM (ISO/IEC 4335) */
29 #define ATM_L2_HDLC_NRM 0x0a /* HDLC NRM (ISO/IEC 4335) */
30 #define ATM_L2_HDLC_ABM 0x0b /* HDLC ABM (ISO/IEC 4335) */
31 #define ATM_L2_ISO8802 0x0c /* LAN LLC (ISO/IEC 8802/2) */
32 #define ATM_L2_X75 0x0d /* ITU-T X.75, SLP */
33 #define ATM_L2_Q922 0x0e /* ITU-T Q.922 */
34 #define ATM_L2_USER 0x10 /* user-specified */
35 #define ATM_L2_ISO7776 0x11 /* ISO 7776 DTE-DTE */
40 * Layer 3 protocol identifiers
44 #define ATM_L3_NONE 0 /* L3 not specified */
45 #define ATM_L3_X25 0x06 /* ITU-T X.25, packet layer */
46 #define ATM_L3_ISO8208 0x07 /* ISO/IEC 8208 */
47 #define ATM_L3_X223 0x08 /* ITU-T X.223 | ISO/IEC 8878 */
48 #define ATM_L3_ISO8473 0x09 /* ITU-T X.233 | ISO/IEC 8473 */
49 #define ATM_L3_T70 0x0a /* ITU-T T.70 minimum network layer */
50 #define ATM_L3_TR9577 0x0b /* ISO/IEC TR 9577 */
51 #define ATM_L3_H310 0x0c /* ITU-T Recommendation H.310 */
52 #define ATM_L3_H321 0x0d /* ITU-T Recommendation H.321 */
53 #define ATM_L3_USER 0x10 /* user-specified */
58 * High layer identifiers
62 #define ATM_HL_NONE 0 /* HL not specified */
63 #define ATM_HL_ISO 0x01 /* ISO */
64 #define ATM_HL_USER 0x02 /* user-specific */
65 #define ATM_HL_HLP 0x03 /* high layer profile - UNI 3.0 only */
66 #define ATM_HL_VENDOR 0x04 /* vendor-specific application identifier */
71 * ITU-T coded mode of operation
75 #define ATM_IMD_NONE 0 /* mode not specified */
76 #define ATM_IMD_NORMAL 1 /* normal mode of operation */
77 #define ATM_IMD_EXTENDED 2 /* extended mode of operation */
84 #define ATM_TT_NONE 0 /* terminal type not specified */
85 #define ATM_TT_RX 1 /* receive only */
86 #define ATM_TT_TX 2 /* send only */
87 #define ATM_TT_RXTX 3 /* receive and send */
89 #define ATM_MC_NONE 0 /* no multiplexing */
90 #define ATM_MC_TS 1 /* transport stream (TS) */
91 #define ATM_MC_TS_FEC 2 /* transport stream with forward error corr. */
92 #define ATM_MC_PS 3 /* program stream (PS) */
93 #define ATM_MC_PS_FEC 4 /* program stream with forward error corr. */
94 #define ATM_MC_H221 5 /* ITU-T Rec. H.221 */
100 #define ATM_MAX_HLI 8 /* maximum high-layer information length */
104 unsigned char l2_proto
; /* layer 2 protocol */
107 unsigned char mode
; /* mode of operation (ATM_IMD_xxx), 0 if */
109 unsigned char window
; /* window size (k), 1-127 (0 to omit) */
110 } itu
; /* ITU-T encoding */
111 unsigned char user
; /* user-specified l2 information */
113 unsigned char l3_proto
; /* layer 3 protocol */
116 unsigned char mode
; /* mode of operation (ATM_IMD_xxx), 0 if */
118 unsigned char def_size
; /* default packet size (log2), 4-12 (0 to */
120 unsigned char window
;/* packet window size, 1-127 (0 to omit) */
121 } itu
; /* ITU-T encoding */
122 unsigned char user
; /* user specified l3 information */
123 struct { /* if l3_proto = ATM_L3_H310 */
124 unsigned char term_type
; /* terminal type */
125 unsigned char fw_mpx_cap
; /* forward multiplexing capability */
126 /* only if term_type != ATM_TT_NONE */
127 unsigned char bw_mpx_cap
; /* backward multiplexing capability */
128 /* only if term_type != ATM_TT_NONE */
130 struct { /* if l3_proto = ATM_L3_TR9577 */
131 unsigned char ipi
; /* initial protocol id */
132 unsigned char snap
[5];/* IEEE 802.1 SNAP identifier */
133 /* (only if ipi == NLPID_IEEE802_1_SNAP) */
140 unsigned char hl_type
; /* high layer information type */
141 unsigned char hl_length
; /* length (only if hl_type == ATM_HL_USER || */
142 /* hl_type == ATM_HL_ISO) */
143 unsigned char hl_info
[ATM_MAX_HLI
];/* high layer information */
147 #define ATM_MAX_BLLI 3 /* maximum number of BLLI elements */
151 struct atm_bhli bhli
; /* local SAP, high-layer information */
152 struct atm_blli blli
[ATM_MAX_BLLI
] __ATM_API_ALIGN
;
153 /* local SAP, low-layer info */
157 static __inline__
int blli_in_use(struct atm_blli blli
)
159 return blli
.l2_proto
|| blli
.l3_proto
;
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