xref: /illumos-gate/usr/src/cmd/bnu/pk.h (revision 2a8bcb4e)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1992 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 #define OLDPACKSIZE	128
31 
32 #define	PACKSIZE	64
33 #define MINPACKSIZE	32
34 #define MAXPACKSIZE   4096
35 
36 #define	WINDOWS		7
37 #define	MINWINDOWS	1
38 #define	MAXWINDOWS	7
39 
40 
41 struct header {
42 	char	sync;
43 	char	ksize;
44 	unsigned short sum;
45 	char	cntl;
46 	char	ccntl;
47 };
48 #define	HDRSIZ	6
49 
50 struct pack {
51 	short	p_state;	/* line state */
52 	short	p_bits;		/* mask for getepack */
53 	short	p_rsize;	/* input packet size */
54 	short	p_xsize;	/* output packet size */
55 	struct	header p_ihbuf;	/* input header */
56 	struct	header p_ohbuf; /* output header */
57 	char	*p_rptr;
58 	char	**p_ipool;
59 	char	p_xcount;	/* # active output buffers */
60 	char	p_rcount;
61 	char	p_nout,p_tout;
62 	char	p_lpsize;	/* log(psize/32) */
63 	char	p_timer;
64 	char	p_obusy;
65 	char	p_srxmit;
66 	char	p_rwindow;	/* window size */
67 	char	p_swindow;
68 	char	p_msg;		/* control msg */
69 	char	p_rmsg;		/* repeated control msg */
70 	char	p_ps,p_pr;	/* last packet sent, recv'd */
71 	char	p_rpr;
72 	char	p_nxtps;	/* next output seq number */
73 	char	p_imap;		/* bit map of input buffers */
74 	char	p_pscopy;	/* newest output packet */
75 	char	*p_ob[8];	/* output buffers */
76 	char	*p_ib[8];	/* input buffers */
77 	char	p_os[8];	/* output buffer status */
78 	char	p_is[8];	/* input buffer status */
79 	short	p_osum[8];	/* output checksums */
80 	short	p_isum[8];	/* input checksums */
81 	int	p_ifn, p_ofn;
82 };
83 #define	CHECK	0125252
84 #define	SYN	020
85 #define	MOD8	7
86 #define	ISCNTL(a)	((a & 0300)==0)
87 #ifndef MIN
88 #define	MIN(a,b)	((a<b)? a:b)
89 #endif
90 
91 extern char	next[8];
92 extern char	mask[8];
93 extern int	npbits;
94 extern int	pkactive;
95 extern int	pkdebug;
96 extern int	pksizes[];
97 extern struct pack *Pk;
98 
99 /*
100  * driver state
101  */
102 #define	DEAD	0
103 #define	INITa	1
104 #define	INITb	2
105 #define	INITab	3
106 #define	LIVE	010
107 #define	RXMIT	020
108 #define	RREJ	040
109 #define PDEBUG	0200
110 #define	DRAINO	0400
111 #define	WAITO	01000
112 #define	DOWN	02000
113 #define	RCLOSE	04000
114 #define	BADFRAME 020000
115 
116 /*
117  * io buffer states
118  */
119 #define	B_NULL	0
120 #define	B_READY	1
121 #define	B_SENT	2
122 #define	B_RESID	010
123 #define	B_COPY	020
124 #define	B_MARK	040
125 #define	B_SHORT	0100
126 
127 /*
128  * control messages
129  */
130 #define	CLOSE	1
131 #define	RJ	2
132 /* #define	SRJ	3 */	/* not supported */
133 #define	RR	4
134 #define	INITC	5
135 #define	INITB	6
136 #define	INITA	7
137 
138 #define	M_RJ	4
139 /* #define	M_SRJ	010 */	/* not used */
140 #define	M_RR	020
141 #define	M_INITC	040
142 #define	M_CLOSE	2
143 #define	M_INITA	0200
144 #define	M_INITB	0100
145 
146 /*
147  * packet ioctl buf
148  */
149 struct	piocb {
150 	unsigned t;
151 	short	psize;
152 	short	mode;
153 	short	state;
154 	char	window;
155 };
156