[apple/xnu.git] / bsd / netat / ddp.h

/*
 * 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_
#include <sys/appleapiopts.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
#ifdef __APPLE_API_PRIVATE

#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 /* __APPLE_API_PRIVATE */
#endif /* KERNEL */
#endif /* _NETAT_DDP_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	*
	24	* ORIGINS: 82
	25	*
	26	* (C) COPYRIGHT Apple Computer, Inc. 1992-1996
	27	* All Rights Reserved
	28	*
	29	*/
	30
	31	#ifndef _NETAT_DDP_H_
	32	#define _NETAT_DDP_H_
9bccf70c	33	#include <sys/appleapiopts.h>
1c79356b A	34
	35	/* Header and data sizes */
	36
	37	#define DDP_HDR_SIZE 5 /* DDP (short) header size */
	38	#define DDP_X_HDR_SIZE 13 /* DDP extended header size */
	39	#define DDP_DATA_SIZE 586 /* Maximum DataGram data size */
	40	#define DDP_DATAGRAM_SIZE 599 /* Maximum DataGram size */
	41
	42	/* DDP socket definitions */
	43
	44	#define DDP_SOCKET_1st_RESERVED 1 /* First in reserved range */
	45	#define DDP_SOCKET_1st_EXPERIMENTAL 64 /* First in experimental range */
	46	#define DDP_SOCKET_1st_DYNAMIC 128 /* First in dynamic range */
	47	#define DDP_SOCKET_LAST 253 /* Last socket in any range */
	48
	49	/* DDP type used to replace "0" on packets sent out, for compatibility
	50	with Open Transport */
	51	#define DEFAULT_OT_DDPTYPE 11
	52
	53	/* DDP well-known sockets */
	54
	55	#define RTMP_SOCKET 1 /* RTMP socket number */
	56	#define NBP_SOCKET 2 /* NIS socket number */
	57	#define EP_SOCKET 4 /* EP socket number */
	58	#define ZIP_SOCKET 6 /* ZIP socket number */
	59
	60	/* DDP extended header packet format */
	61
	62	typedef struct {
	63	unsigned unused:2,
	64	hopcount:4,
	65	length:10; /* Datagram length */
	66	ua_short checksum; /* Checksum */
	67	at_net dst_net; /* Destination network number */
	68	at_net src_net; /* Source network number */
	69	at_node dst_node; /* Destination node ID */
	70	at_node src_node; /* Source node ID */
	71	at_socket dst_socket; /* Destination socket number */
	72	at_socket src_socket; /* Source socket number */
	73	u_char type; /* Protocol type */
	74	char data[DDP_DATA_SIZE];
	75	} at_ddp_t;
	76
	77
	78	#define DDPLEN_ASSIGN(ddp, len) ddp->length = len
	79	#define DDPLEN_VALUE(ddp) ddp->length
	80
	81
	82	/* DDP module statistics and configuration */
	83
	84	typedef struct at_ddp_stats {
	85	/* General */
	86
	87	/* Receive stats */
	88	u_int rcv_bytes;
	89	u_int rcv_packets;
	90	u_int rcv_bad_length;
	91	u_int rcv_unreg_socket;
	92	u_int rcv_bad_socket;
	93	u_int rcv_bad_checksum;
	94	u_int rcv_dropped_nobuf;
	95
	96	/* Transmit stats */
	97	u_int xmit_bytes;
98	u_int xmit_packets;
99	u_int xmit_BRT_used;
100	u_int xmit_bad_length;
101	u_int xmit_bad_addr;
102	u_int xmit_dropped_nobuf;
103	} at_ddp_stats_t;
104
105	/* DDP streams module ioctls */
106
107	#define AT_MID_DDP 203
108
109	#define DDP_IOC_MYIOCTL(i) ((i>>8) == AT_MID_DDP)
110	#define DDP_IOC_GET_CFG ((AT_MID_DDP<<8) \| 1)
111
112	#ifdef NOT_USED
113	#define DDP_IOC_BIND_SOCK ((AT_MID_DDP<<8) \| 2)
114	#define DDP_IOC_GET_STATS ((AT_MID_DDP<<8) \| 3)
115	#define DDP_IOC_LSTATUS_TABLE ((AT_MID_DDP<<8) \| 4)
116	#define DDP_IOC_ULSTATUS_TABLE ((AT_MID_DDP<<8) \| 5)
117	#define DDP_IOC_RSTATUS_TABLE ((AT_MID_DDP<<8) \| 6)
118	#define DDP_IOC_SET_WROFF ((AT_MID_DDP<<8) \| 7 )
119	#define DDP_IOC_SET_OPTS ((AT_MID_DDP<<8) \| 8 )
120	#define DDP_IOC_GET_OPTS ((AT_MID_DDP<<8) \| 9 )
121	#define DDP_IOC_GET_SOCK ((AT_MID_DDP<<8) \| 10)
122	#define DDP_IOC_GET_PEER ((AT_MID_DDP<<8) \| 11)
123	#define DDP_IOC_SET_PEER ((AT_MID_DDP<<8) \| 12)
124	#define DDP_IOC_SET_PROTO ((AT_MID_DDP<<8) \| 13)
125	#endif
126
127	#ifdef KERNEL
9bccf70c	128	#ifdef __APPLE_API_PRIVATE
1c79356b A	129
	130	#define DDP_MIN_NETWORK 0x0001
	131	#define DDP_MAX_NETWORK 0xfffe
	132	#define DDP_STARTUP_LOW 0xff00
	133	#define DDP_STARTUP_HIGH DDP_MAX_NETWORK
	134
	135	typedef struct {
	136	void **inputQ;
	137	int *pidM;
	138	char **socketM;
	139	char *dbgBits;
	140	} proto_reg_t;
	141
	142	/* *** note: this counts on the src address always being that of the
	143	home port
	144	*** */
	145	#define FROM_US(ddp) ((NET_VALUE(ddp->src_net) ==\
	146	ifID_home->ifThisNode.s_net) && \
	147	ifID_home->ifThisNode.s_node == ddp->src_node)
	148
	149	#define RT_LOOKUP_OKAY(ifID, ddp) \
	150	((ROUTING_MODE && ifID->ifRoutingState==PORT_ONLINE) \|\| \
	151	(MULTIHOME_MODE && FROM_US(ddp)))
	152
	153	#ifdef NOT_YET
	154	/* from sys_glue.c */
	155	int ddp_adjmsg(gbuf_t *m, int len);
	156	gbuf_t ddp_growmsg(gbuf_t mp, int len);
	157
	158	/* from ddp.c */
	159	int ddp_add_if(at_ifaddr_t *ifID);
	160	int ddp_rem_if(at_ifaddr_t *ifID);
	161	int ddp_bind_socket(ddp_socket_t *socketp);
	162	int ddp_close_socket(ddp_socket_t *socketp);
	163	int ddp_output(gbuf_t **mp, at_socket src_socket, int src_addr_included);
	164	void ddp_input(gbuf_t mp, at_ifaddr_t ifID);
	165	int ddp_router_output(
	166	gbuf_t *mp,
	167	at_ifaddr_t *ifID,
	168	int addr_type,
	169	at_net_al router_net,
	170	at_node router_node,
	171	etalk_addr_t *enet_addr);
	172
	173	/* from ddp_proto.c */
	174	int ddp_close(gref_t *gref);
	175	void ddp_putmsg(gref_t gref, gbuf_t mp);
	176	gbuf_t ddp_compress_msg(gbuf_t mp);
	177	void ddp_stop(gbuf_t mioc, gref_t gref);
	178
	179	/* in ddp_lap.c */
	180	void ddp_bit_reverse(unsigned char *);
	181
	182	#endif /* NOT_YET */
	183
	184	/* in ddp_lap.c */
	185	int ddp_shutdown(int);
	186
9bccf70c	187	#endif /* __APPLE_API_PRIVATE */
1c79356b A	188	#endif /* KERNEL */
1c79356b A	189	#endif /* _NETAT_DDP_H_ */