| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. The rights granted to you under the |
| | 10 | * License may not be used to create, or enable the creation or |
| | 11 | * redistribution of, unlawful or unlicensed copies of an Apple operating |
| | 12 | * system, or to circumvent, violate, or enable the circumvention or |
| | 13 | * violation of, any terms of an Apple operating system software license |
| | 14 | * agreement. |
| | 15 | * |
| | 16 | * Please obtain a copy of the License at |
| | 17 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| | 18 | * file. |
| | 19 | * |
| | 20 | * The Original Code and all software distributed under the License are |
| | 21 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 22 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 23 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 24 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 25 | * Please see the License for the specific language governing rights and |
| | 26 | * limitations under the License. |
| | 27 | * |
| | 28 | * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ |
| | 29 | */ |
| | 30 | /* |
| | 31 | * |
| | 32 | * ORIGINS: 82 |
| | 33 | * |
| | 34 | * (C) COPYRIGHT Apple Computer, Inc. 1992-1996 |
| | 35 | * All Rights Reserved |
| | 36 | * |
| | 37 | */ |
| | 38 | |
| | 39 | #ifndef _NETAT_DDP_H_ |
| | 40 | #define _NETAT_DDP_H_ |
| | 41 | #include <sys/appleapiopts.h> |
| | 42 | |
| | 43 | #ifdef __APPLE_API_OBSOLETE |
| | 44 | |
| | 45 | /* Header and data sizes */ |
| | 46 | |
| | 47 | #define DDP_HDR_SIZE 5 /* DDP (short) header size */ |
| | 48 | #define DDP_X_HDR_SIZE 13 /* DDP extended header size */ |
| | 49 | #define DDP_DATA_SIZE 586 /* Maximum DataGram data size */ |
| | 50 | #define DDP_DATAGRAM_SIZE 599 /* Maximum DataGram size */ |
| | 51 | |
| | 52 | /* DDP socket definitions */ |
| | 53 | |
| | 54 | #define DDP_SOCKET_1st_RESERVED 1 /* First in reserved range */ |
| | 55 | #define DDP_SOCKET_1st_EXPERIMENTAL 64 /* First in experimental range */ |
| | 56 | #define DDP_SOCKET_1st_DYNAMIC 128 /* First in dynamic range */ |
| | 57 | #define DDP_SOCKET_LAST 253 /* Last socket in any range */ |
| | 58 | |
| | 59 | /* DDP type used to replace "0" on packets sent out, for compatibility |
| | 60 | with Open Transport */ |
| | 61 | #define DEFAULT_OT_DDPTYPE 11 |
| | 62 | |
| | 63 | /* DDP well-known sockets */ |
| | 64 | |
| | 65 | #define RTMP_SOCKET 1 /* RTMP socket number */ |
| | 66 | #define NBP_SOCKET 2 /* NIS socket number */ |
| | 67 | #define EP_SOCKET 4 /* EP socket number */ |
| | 68 | #define ZIP_SOCKET 6 /* ZIP socket number */ |
| | 69 | |
| | 70 | /* DDP extended header packet format */ |
| | 71 | |
| | 72 | typedef struct { |
| | 73 | #if BYTE_ORDER == BIG_ENDIAN |
| | 74 | unsigned unused:2, |
| | 75 | hopcount:4, /* hop count/len high order */ |
| | 76 | length_H:2; |
| | 77 | #endif |
| | 78 | #if BYTE_ORDER == LITTLE_ENDIAN |
| | 79 | unsigned length_H:2, |
| | 80 | hopcount:4, |
| | 81 | unused:2; |
| | 82 | #endif |
| | 83 | u_char length_L; /* len low order */ |
| | 84 | ua_short checksum; /* Checksum */ |
| | 85 | at_net dst_net; /* Destination network number */ |
| | 86 | at_net src_net; /* Source network number */ |
| | 87 | at_node dst_node; /* Destination node ID */ |
| | 88 | at_node src_node; /* Source node ID */ |
| | 89 | at_socket dst_socket; /* Destination socket number */ |
| | 90 | at_socket src_socket; /* Source socket number */ |
| | 91 | u_char type; /* Protocol type */ |
| | 92 | char data[DDP_DATA_SIZE]; |
| | 93 | } at_ddp_t; |
| | 94 | |
| | 95 | |
| | 96 | #define DDPLEN_ASSIGN(ddp, len) \ |
| | 97 | ddp->length_H = 0x03 & (len >> 8); \ |
| | 98 | ddp->length_L = len & 0xff; |
| | 99 | |
| | 100 | #define DDPLEN_VALUE(ddp) \ |
| | 101 | (((u_short)ddp->length_H) << 8) + ddp->length_L |
| | 102 | |
| | 103 | /* DDP module statistics and configuration */ |
| | 104 | |
| | 105 | typedef struct at_ddp_stats { |
| | 106 | /* General */ |
| | 107 | |
| | 108 | /* Receive stats */ |
| | 109 | u_int rcv_bytes; |
| | 110 | u_int rcv_packets; |
| | 111 | u_int rcv_bad_length; |
| | 112 | u_int rcv_unreg_socket; |
| | 113 | u_int rcv_bad_socket; |
| | 114 | u_int rcv_bad_checksum; |
| | 115 | u_int rcv_dropped_nobuf; |
| | 116 | |
| | 117 | /* Transmit stats */ |
| | 118 | u_int xmit_bytes; |
| | 119 | u_int xmit_packets; |
| | 120 | u_int xmit_BRT_used; |
| | 121 | u_int xmit_bad_length; |
| | 122 | u_int xmit_bad_addr; |
| | 123 | u_int xmit_dropped_nobuf; |
| | 124 | } at_ddp_stats_t; |
| | 125 | |
| | 126 | |
| | 127 | /* DDP streams module ioctls */ |
| | 128 | |
| | 129 | #define AT_MID_DDP 203 |
| | 130 | |
| | 131 | #define DDP_IOC_MYIOCTL(i) ((i>>8) == AT_MID_DDP) |
| | 132 | #define DDP_IOC_GET_CFG ((AT_MID_DDP<<8) | 1) |
| | 133 | |
| | 134 | #ifdef NOT_USED |
| | 135 | #define DDP_IOC_BIND_SOCK ((AT_MID_DDP<<8) | 2) |
| | 136 | #define DDP_IOC_GET_STATS ((AT_MID_DDP<<8) | 3) |
| | 137 | #define DDP_IOC_LSTATUS_TABLE ((AT_MID_DDP<<8) | 4) |
| | 138 | #define DDP_IOC_ULSTATUS_TABLE ((AT_MID_DDP<<8) | 5) |
| | 139 | #define DDP_IOC_RSTATUS_TABLE ((AT_MID_DDP<<8) | 6) |
| | 140 | #define DDP_IOC_SET_WROFF ((AT_MID_DDP<<8) | 7 ) |
| | 141 | #define DDP_IOC_SET_OPTS ((AT_MID_DDP<<8) | 8 ) |
| | 142 | #define DDP_IOC_GET_OPTS ((AT_MID_DDP<<8) | 9 ) |
| | 143 | #define DDP_IOC_GET_SOCK ((AT_MID_DDP<<8) | 10) |
| | 144 | #define DDP_IOC_GET_PEER ((AT_MID_DDP<<8) | 11) |
| | 145 | #define DDP_IOC_SET_PEER ((AT_MID_DDP<<8) | 12) |
| | 146 | #define DDP_IOC_SET_PROTO ((AT_MID_DDP<<8) | 13) |
| | 147 | #endif |
| | 148 | |
| | 149 | #ifdef KERNEL_PRIVATE |
| | 150 | |
| | 151 | #define DDP_MIN_NETWORK 0x0001 |
| | 152 | #define DDP_MAX_NETWORK 0xfffe |
| | 153 | #define DDP_STARTUP_LOW 0xff00 |
| | 154 | #define DDP_STARTUP_HIGH DDP_MAX_NETWORK |
| | 155 | |
| | 156 | typedef struct { |
| | 157 | void **inputQ; |
| | 158 | int *pidM; |
| | 159 | char **socketM; |
| | 160 | char *dbgBits; |
| | 161 | } proto_reg_t; |
| | 162 | |
| | 163 | /* *** note: this counts on the src address always being that of the |
| | 164 | home port |
| | 165 | *** */ |
| | 166 | #define FROM_US(ddp) ((NET_VALUE(ddp->src_net) ==\ |
| | 167 | ifID_home->ifThisNode.s_net) && \ |
| | 168 | ifID_home->ifThisNode.s_node == ddp->src_node) |
| | 169 | |
| | 170 | #define RT_LOOKUP_OKAY(ifID, ddp) \ |
| | 171 | ((ROUTING_MODE && ifID->ifRoutingState==PORT_ONLINE) || \ |
| | 172 | (MULTIHOME_MODE && FROM_US(ddp))) |
| | 173 | |
| | 174 | #ifdef NOT_YET |
| | 175 | /* from sys_glue.c */ |
| | 176 | int ddp_adjmsg(gbuf_t *m, int len); |
| | 177 | gbuf_t *ddp_growmsg(gbuf_t *mp, int len); |
| | 178 | |
| | 179 | /* from ddp.c */ |
| | 180 | int ddp_add_if(at_ifaddr_t *ifID); |
| | 181 | int ddp_rem_if(at_ifaddr_t *ifID); |
| | 182 | int ddp_bind_socket(ddp_socket_t *socketp); |
| | 183 | int ddp_close_socket(ddp_socket_t *socketp); |
| | 184 | int ddp_output(gbuf_t **mp, at_socket src_socket, int src_addr_included); |
| | 185 | void ddp_input(gbuf_t *mp, at_ifaddr_t *ifID); |
| | 186 | int ddp_router_output( |
| | 187 | gbuf_t *mp, |
| | 188 | at_ifaddr_t *ifID, |
| | 189 | int addr_type, |
| | 190 | at_net_al router_net, |
| | 191 | at_node router_node, |
| | 192 | etalk_addr_t *enet_addr); |
| | 193 | |
| | 194 | /* from ddp_proto.c */ |
| | 195 | int ddp_close(gref_t *gref); |
| | 196 | void ddp_putmsg(gref_t *gref, gbuf_t *mp); |
| | 197 | gbuf_t *ddp_compress_msg(gbuf_t *mp); |
| | 198 | void ddp_stop(gbuf_t *mioc, gref_t *gref); |
| | 199 | |
| | 200 | /* in ddp_lap.c */ |
| | 201 | void ddp_bit_reverse(unsigned char *); |
| | 202 | |
| | 203 | #endif /* NOT_YET */ |
| | 204 | |
| | 205 | /* in ddp_lap.c */ |
| | 206 | int ddp_shutdown(int); |
| | 207 | |
| | 208 | #endif /* KERNEL_PRIVATE */ |
| | 209 | #endif /* __APPLE_API_OBSOLETE */ |
| | 210 | #endif /* _NETAT_DDP_H_ */ |
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