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- /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
- /*
- *
- * ORIGINS: 82
- *
- * (C) COPYRIGHT Apple Computer, Inc. 1992-1996
- * All Rights Reserved
- *
- */
-
- #ifndef _NETAT_DDP_H_
- #define _NETAT_DDP_H_
-
- /* Header and data sizes */
-
- #define DDP_HDR_SIZE 5 /* DDP (short) header size */
- #define DDP_X_HDR_SIZE 13 /* DDP extended header size */
- #define DDP_DATA_SIZE 586 /* Maximum DataGram data size */
- #define DDP_DATAGRAM_SIZE 599 /* Maximum DataGram size */
-
- /* DDP socket definitions */
-
- #define DDP_SOCKET_1st_RESERVED 1 /* First in reserved range */
- #define DDP_SOCKET_1st_EXPERIMENTAL 64 /* First in experimental range */
- #define DDP_SOCKET_1st_DYNAMIC 128 /* First in dynamic range */
- #define DDP_SOCKET_LAST 253 /* Last socket in any range */
-
- /* DDP type used to replace "0" on packets sent out, for compatibility
- with Open Transport */
- #define DEFAULT_OT_DDPTYPE 11
-
- /* DDP well-known sockets */
-
- #define RTMP_SOCKET 1 /* RTMP socket number */
- #define NBP_SOCKET 2 /* NIS socket number */
- #define EP_SOCKET 4 /* EP socket number */
- #define ZIP_SOCKET 6 /* ZIP socket number */
-
- /* DDP extended header packet format */
-
- typedef struct {
- unsigned unused:2,
- hopcount:4,
- length:10; /* Datagram length */
- ua_short checksum; /* Checksum */
- at_net dst_net; /* Destination network number */
- at_net src_net; /* Source network number */
- at_node dst_node; /* Destination node ID */
- at_node src_node; /* Source node ID */
- at_socket dst_socket; /* Destination socket number */
- at_socket src_socket; /* Source socket number */
- u_char type; /* Protocol type */
- char data[DDP_DATA_SIZE];
- } at_ddp_t;
-
-
- #define DDPLEN_ASSIGN(ddp, len) ddp->length = len
- #define DDPLEN_VALUE(ddp) ddp->length
-
-
- /* DDP module statistics and configuration */
-
- typedef struct at_ddp_stats {
- /* General */
-
- /* Receive stats */
- u_int rcv_bytes;
- u_int rcv_packets;
- u_int rcv_bad_length;
- u_int rcv_unreg_socket;
- u_int rcv_bad_socket;
- u_int rcv_bad_checksum;
- u_int rcv_dropped_nobuf;
-
- /* Transmit stats */
- u_int xmit_bytes;
- u_int xmit_packets;
- u_int xmit_BRT_used;
- u_int xmit_bad_length;
- u_int xmit_bad_addr;
- u_int xmit_dropped_nobuf;
- } at_ddp_stats_t;
-
- /* DDP streams module ioctls */
-
- #define AT_MID_DDP 203
-
- #define DDP_IOC_MYIOCTL(i) ((i>>8) == AT_MID_DDP)
- #define DDP_IOC_GET_CFG ((AT_MID_DDP<<8) | 1)
-
- #ifdef NOT_USED
- #define DDP_IOC_BIND_SOCK ((AT_MID_DDP<<8) | 2)
- #define DDP_IOC_GET_STATS ((AT_MID_DDP<<8) | 3)
- #define DDP_IOC_LSTATUS_TABLE ((AT_MID_DDP<<8) | 4)
- #define DDP_IOC_ULSTATUS_TABLE ((AT_MID_DDP<<8) | 5)
- #define DDP_IOC_RSTATUS_TABLE ((AT_MID_DDP<<8) | 6)
- #define DDP_IOC_SET_WROFF ((AT_MID_DDP<<8) | 7 )
- #define DDP_IOC_SET_OPTS ((AT_MID_DDP<<8) | 8 )
- #define DDP_IOC_GET_OPTS ((AT_MID_DDP<<8) | 9 )
- #define DDP_IOC_GET_SOCK ((AT_MID_DDP<<8) | 10)
- #define DDP_IOC_GET_PEER ((AT_MID_DDP<<8) | 11)
- #define DDP_IOC_SET_PEER ((AT_MID_DDP<<8) | 12)
- #define DDP_IOC_SET_PROTO ((AT_MID_DDP<<8) | 13)
- #endif
-
- #ifdef KERNEL
-
- #define DDP_MIN_NETWORK 0x0001
- #define DDP_MAX_NETWORK 0xfffe
- #define DDP_STARTUP_LOW 0xff00
- #define DDP_STARTUP_HIGH DDP_MAX_NETWORK
-
- typedef struct {
- void **inputQ;
- int *pidM;
- char **socketM;
- char *dbgBits;
- } proto_reg_t;
-
- /* *** note: this counts on the src address always being that of the
- home port
- *** */
- #define FROM_US(ddp) ((NET_VALUE(ddp->src_net) ==\
- ifID_home->ifThisNode.s_net) && \
- ifID_home->ifThisNode.s_node == ddp->src_node)
-
- #define RT_LOOKUP_OKAY(ifID, ddp) \
- ((ROUTING_MODE && ifID->ifRoutingState==PORT_ONLINE) || \
- (MULTIHOME_MODE && FROM_US(ddp)))
-
- #ifdef NOT_YET
- /* from sys_glue.c */
- int ddp_adjmsg(gbuf_t *m, int len);
- gbuf_t *ddp_growmsg(gbuf_t *mp, int len);
-
- /* from ddp.c */
- int ddp_add_if(at_ifaddr_t *ifID);
- int ddp_rem_if(at_ifaddr_t *ifID);
- int ddp_bind_socket(ddp_socket_t *socketp);
- int ddp_close_socket(ddp_socket_t *socketp);
- int ddp_output(gbuf_t **mp, at_socket src_socket, int src_addr_included);
- void ddp_input(gbuf_t *mp, at_ifaddr_t *ifID);
- int ddp_router_output(
- gbuf_t *mp,
- at_ifaddr_t *ifID,
- int addr_type,
- at_net_al router_net,
- at_node router_node,
- etalk_addr_t *enet_addr);
-
- /* from ddp_proto.c */
- int ddp_close(gref_t *gref);
- void ddp_putmsg(gref_t *gref, gbuf_t *mp);
- gbuf_t *ddp_compress_msg(gbuf_t *mp);
- void ddp_stop(gbuf_t *mioc, gref_t *gref);
-
- /* in ddp_lap.c */
- void ddp_bit_reverse(unsigned char *);
-
- #endif /* NOT_YET */
-
- /* in ddp_lap.c */
- int ddp_shutdown(int);
-
- #endif /* KERNEL */
- #endif /* _NETAT_DDP_H_ */
-