Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/netatm/atm_sys.h
Version:
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1 /*- 2 * 3 * =================================== 4 * HARP | Host ATM Research Platform 5 * =================================== 6 * 7 * 8 * This Host ATM Research Platform ("HARP") file (the "Software") is 9 * made available by Network Computing Services, Inc. ("NetworkCS") 10 * "AS IS". NetworkCS does not provide maintenance, improvements or 11 * support of any kind. 12 * 13 * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED, 14 * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY 15 * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE 16 * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE. 17 * In no event shall NetworkCS be responsible for any damages, including 18 * but not limited to consequential damages, arising from or relating to 19 * any use of the Software or related support. 20 * 21 * Copyright 1994-1998 Network Computing Services, Inc. 22 * 23 * Copies of this Software may be made, however, the above copyright 24 * notice must be reproduced on all copies. 25 * 26 * @(#) $FreeBSD$ 27 * 28 */ 29 30 /* 31 * Core ATM Services 32 * ----------------- 33 * 34 * General system definitions 35 * 36 */ 37 38 #ifndef _NETATM_ATM_SYS_H 39 #define _NETATM_ATM_SYS_H 40 41 /* 42 * Software Version 43 */ 44 #define ATM_VERSION 0x00030000 /* Version 3.0 */ 45 #define ATM_VERS_MAJ(v) ((v) >> 16) 46 #define ATM_VERS_MIN(v) ((v) & 0xffff) 47 48 49 /* 50 * Misc system defines 51 */ 52 #define ATM_CALLQ_MAX 100 /* Maximum length of call queue */ 53 #define ATM_INTRQ_MAX 1000 /* Maximum length of interrupt queue */ 54 55 56 /* 57 * ATM address manipulation macros 58 */ 59 #define ATM_ADDR_EQUAL(a1, a2) \ 60 (((a1)->address_format == (a2)->address_format) && \ 61 ((a1)->address_length == (a2)->address_length) && \ 62 (bcmp((caddr_t)(a1)->address, (caddr_t)(a2)->address, \ 63 (a1)->address_length) == 0)) 64 65 #define ATM_ADDR_SEL_EQUAL(a1, s1, a2) \ 66 (((a1)->address_format == (a2)->address_format) && \ 67 ((a1)->address_length == (a2)->address_length) && \ 68 (((((a1)->address_format == T_ATM_ENDSYS_ADDR) || \ 69 ((a1)->address_format == T_ATM_NSAP_ADDR)) && \ 70 (bcmp((caddr_t)(a1)->address, (caddr_t)(a2)->address, \ 71 (a1)->address_length - 1) == 0) && \ 72 ((s1) == ((struct atm_addr_nsap *)(a2)->address)->aan_sel)) || \ 73 (((a1)->address_format != T_ATM_ENDSYS_ADDR) && \ 74 ((a1)->address_format != T_ATM_NSAP_ADDR) && \ 75 (bcmp((caddr_t)(a1)->address, (caddr_t)(a2)->address, \ 76 (a1)->address_length) == 0)))) 77 78 #define ATM_ADDR_COPY(a1, a2) \ 79 { \ 80 (a2)->address_format = (a1)->address_format; \ 81 (a2)->address_length = (a1)->address_length; \ 82 bcopy((caddr_t)(a1)->address, (caddr_t)(a2)->address, \ 83 (a1)->address_length); \ 84 } 85 86 #define ATM_ADDR_SEL_COPY(a1, s1, a2) \ 87 { \ 88 (a2)->address_format = (a1)->address_format; \ 89 (a2)->address_length = (a1)->address_length; \ 90 if (((a1)->address_format == T_ATM_ENDSYS_ADDR) || \ 91 ((a1)->address_format == T_ATM_NSAP_ADDR)) { \ 92 bcopy((caddr_t)(a1)->address, (caddr_t)(a2)->address, \ 93 (a1)->address_length - 1); \ 94 ((struct atm_addr_nsap *)(a2)->address)->aan_sel = (s1);\ 95 } else { \ 96 bcopy((caddr_t)(a1)->address, (caddr_t)(a2)->address, \ 97 (a1)->address_length); \ 98 } \ 99 } 100 101 102 /* 103 * ATM Cell Header definitions 104 */ 105 106 /* 107 * These macros assume that the cell header (minus the HEC) 108 * is contained in the least-significant 32-bits of a word 109 */ 110 #define ATM_HDR_SET_VPI(vpi) (((vpi) & 0xff) << 20) 111 #define ATM_HDR_SET_VCI(vci) (((vci) & 0xffff) << 4) 112 #define ATM_HDR_SET_PT(pt) (((pt) & 0x7) << 1) 113 #define ATM_HDR_SET_CLP(clp) ((clp) & 0x1) 114 #define ATM_HDR_SET(vpi,vci,pt,clp) (ATM_HDR_SET_VPI(vpi) | \ 115 ATM_HDR_SET_VCI(vci) | \ 116 ATM_HDR_SET_PT(pt) | \ 117 ATM_HDR_SET_CLP(clp)) 118 #define ATM_HDR_GET_VPI(hdr) (((hdr) >> 20) & 0xff) 119 #define ATM_HDR_GET_VCI(hdr) (((hdr) >> 4) & 0xffff) 120 #define ATM_HDR_GET_PT(hdr) (((hdr) >> 1) & 0x7) 121 #define ATM_HDR_GET_CLP(hdr) ((hdr) & 0x1) 122 123 /* 124 * Payload Type Identifier (3 bits) 125 */ 126 #define ATM_PT_USER_SDU0 0x0 /* User, no congestion, sdu type 0 */ 127 #define ATM_PT_USER_SDU1 0x1 /* User, no congestion, sdu type 1 */ 128 #define ATM_PT_USER_CONG_SDU0 0x2 /* User, congestion, sdu type 0 */ 129 #define ATM_PT_USER_CONG_SDU1 0x3 /* User, congestion, sdu type 1 */ 130 #define ATM_PT_NONUSER 0x4 /* User/non-user differentiator */ 131 #define ATM_PT_OAMF5_SEG 0x4 /* OAM F5 segment flow */ 132 #define ATM_PT_OAMF5_E2E 0x5 /* OAM F5 end-to-end flow */ 133 134 135 /* 136 * AAL (ATM Adaptation Layer) codes 137 */ 138 typedef u_char Aal_t; 139 #define ATM_AAL0 0 /* AAL0 - Cell service */ 140 #define ATM_AAL1 1 /* AAL1 */ 141 #define ATM_AAL2 2 /* AAL2 */ 142 #define ATM_AAL3_4 3 /* AAL3/4 */ 143 #define ATM_AAL5 5 /* AAL5 */ 144 145 146 /* 147 * VCC Encapsulation codes 148 */ 149 typedef u_char Encaps_t; 150 #define ATM_ENC_NULL 1 /* Null encapsulation */ 151 #define ATM_ENC_LLC 2 /* LLC encapsulation */ 152 153 154 #ifdef _KERNEL 155 /* 156 * ATM timer control block. Used to schedule a timeout via atm_timeout(). 157 * This control block will typically be embedded in a processing-specific 158 * control block. 159 */ 160 struct atm_time { 161 u_short ti_ticks; /* Delta of ticks until timeout */ 162 u_char ti_flag; /* Timer flag bits (see below) */ 163 void (*ti_func) /* Call at timeout expiration */ 164 (struct atm_time *); 165 struct atm_time *ti_next; /* Next on queue */ 166 }; 167 168 /* 169 * Timer Flags 170 */ 171 #define TIF_QUEUED 0x01 /* Control block on timer queue */ 172 173 #define ATM_HZ 2 /* Time ticks per second */ 174 175 /* 176 * Debugging 177 */ 178 #ifdef DIAGNOSTIC 179 #define ATM_TIME \ 180 struct timeval now, delta; \ 181 KT_TIME(now); \ 182 delta.tv_sec = now.tv_sec - atm_debugtime.tv_sec; \ 183 delta.tv_usec = now.tv_usec - atm_debugtime.tv_usec; \ 184 atm_debugtime = now; \ 185 if (delta.tv_usec < 0) { \ 186 delta.tv_sec--; \ 187 delta.tv_usec += 1000000; \ 188 } \ 189 printf("%3ld.%6ld: ", (long)delta.tv_sec, delta.tv_usec); 190 191 #define ATM_DEBUG0(f) if (atm_debug) {ATM_TIME; printf(f);} 192 #define ATM_DEBUGN0(f) if (atm_debug) {printf(f);} 193 #define ATM_DEBUG1(f,a1) if (atm_debug) {ATM_TIME; printf(f, a1);} 194 #define ATM_DEBUGN1(f,a1) if (atm_debug) {printf(f, a1);} 195 #define ATM_DEBUG2(f,a1,a2) if (atm_debug) {ATM_TIME; printf(f, a1, a2);} 196 #define ATM_DEBUGN2(f,a1,a2) if (atm_debug) {printf(f, a1, a2);} 197 #define ATM_DEBUG3(f,a1,a2,a3) if (atm_debug) {ATM_TIME; printf(f, a1, a2, a3);} 198 #define ATM_DEBUGN3(f,a1,a2,a3) if (atm_debug) {printf(f, a1, a2, a3);} 199 #define ATM_DEBUG4(f,a1,a2,a3,a4) if (atm_debug) {ATM_TIME; printf(f, a1, a2, a3, a4);} 200 #define ATM_DEBUGN4(f,a1,a2,a3,a4) if (atm_debug) {printf(f, a1, a2, a3, a4);} 201 #define ATM_DEBUG5(f,a1,a2,a3,a4,a5) if (atm_debug) {ATM_TIME; printf(f, a1, a2, a3, a4, a5);} 202 #define ATM_DEBUGN5(f,a1,a2,a3,a4,a5) if (atm_debug) {printf(f, a1, a2, a3, a4, a5);} 203 #else 204 #define ATM_DEBUG0(f) 205 #define ATM_DEBUGN0(f) 206 #define ATM_DEBUG1(f,a1) 207 #define ATM_DEBUGN1(f,a1) 208 #define ATM_DEBUG2(f,a1,a2) 209 #define ATM_DEBUGN2(f,a1,a2) 210 #define ATM_DEBUG3(f,a1,a2,a3) 211 #define ATM_DEBUGN3(f,a1,a2,a3) 212 #define ATM_DEBUG4(f,a1,a2,a3,a4) 213 #define ATM_DEBUGN4(f,a1,a2,a3,a4) 214 #define ATM_DEBUG5(f,a1,a2,a3,a4,a5) 215 #define ATM_DEBUGN5(f,a1,a2,a3,a4,a5) 216 #endif 217 218 #endif /* _KERNEL */ 219 220 #endif /* _NETATM_ATM_SYS_H */
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