xref: /trueos/sys/netipx/spx_var.h (revision 9ed1a4b5ebe734049aa444f14884ed8ad4c23aee)
1 /*-
2  * Copyright (c) 1984, 1985, 1986, 1987, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 4. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * Copyright (c) 1995, Mike Mitchell
30  *
31  * Redistribution and use in source and binary forms, with or without
32  * modification, are permitted provided that the following conditions
33  * are met:
34  * 1. Redistributions of source code must retain the above copyright
35  *    notice, this list of conditions and the following disclaimer.
36  * 2. Redistributions in binary form must reproduce the above copyright
37  *    notice, this list of conditions and the following disclaimer in the
38  *    documentation and/or other materials provided with the distribution.
39  * 3. All advertising materials mentioning features or use of this software
40  *    must display the following acknowledgement:
41  *	This product includes software developed by the University of
42  *	California, Berkeley and its contributors.
43  * 4. Neither the name of the University nor the names of its contributors
44  *    may be used to endorse or promote products derived from this software
45  *    without specific prior written permission.
46  *
47  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57  * SUCH DAMAGE.
58  *
59  *	@(#)spx_var.h
60  *
61  * $FreeBSD$
62  */
63 
64 #ifndef _NETIPX_SPX_VAR_H_
65 #define _NETIPX_SPX_VAR_H_
66 
67 struct	spxstat {
68 	long	spxs_connattempt;	/* connections initiated */
69 	long	spxs_accepts;		/* connections accepted */
70 	long	spxs_connects;		/* connections established */
71 	long	spxs_drops;		/* connections dropped */
72 	long	spxs_conndrops;		/* embryonic connections dropped */
73 	long	spxs_closed;		/* conn. closed (includes drops) */
74 	long	spxs_segstimed;		/* segs where we tried to get rtt */
75 	long	spxs_rttupdated;	/* times we succeeded */
76 	long	spxs_delack;		/* delayed acks sent */
77 	long	spxs_timeoutdrop;	/* conn. dropped in rxmt timeout */
78 	long	spxs_rexmttimeo;	/* retransmit timeouts */
79 	long	spxs_persisttimeo;	/* persist timeouts */
80 	long	spxs_keeptimeo;		/* keepalive timeouts */
81 	long	spxs_keepprobe;		/* keepalive probes sent */
82 	long	spxs_keepdrops;		/* connections dropped in keepalive */
83 
84 	long	spxs_sndtotal;		/* total packets sent */
85 	long	spxs_sndpack;		/* data packets sent */
86 	long	spxs_sndbyte;		/* data bytes sent */
87 	long	spxs_sndrexmitpack;	/* data packets retransmitted */
88 	long	spxs_sndrexmitbyte;	/* data bytes retransmitted */
89 	long	spxs_sndacks;		/* ack-only packets sent */
90 	long	spxs_sndprobe;		/* window probes sent */
91 	long	spxs_sndurg;		/* packets sent with URG only */
92 	long	spxs_sndwinup;		/* window update-only packets sent */
93 	long	spxs_sndctrl;		/* control (SYN|FIN|RST) packets sent */
94 	long	spxs_sndvoid;		/* couldn't find requested packet*/
95 
96 	long	spxs_rcvtotal;		/* total packets received */
97 	long	spxs_rcvpack;		/* packets received in sequence */
98 	long	spxs_rcvbyte;		/* bytes received in sequence */
99 	long	spxs_rcvbadsum;		/* packets received with ccksum errs */
100 	long	spxs_rcvbadoff;		/* packets received with bad offset */
101 	long	spxs_rcvshort;		/* packets received too short */
102 	long	spxs_rcvduppack;	/* duplicate-only packets received */
103 	long	spxs_rcvdupbyte;	/* duplicate-only bytes received */
104 	long	spxs_rcvpartduppack;	/* packets with some duplicate data */
105 	long	spxs_rcvpartdupbyte;	/* dup. bytes in part-dup. packets */
106 	long	spxs_rcvoopack;		/* out-of-order packets received */
107 	long	spxs_rcvoobyte;		/* out-of-order bytes received */
108 	long	spxs_rcvpackafterwin;	/* packets with data after window */
109 	long	spxs_rcvbyteafterwin;	/* bytes rcvd after window */
110 	long	spxs_rcvafterclose;	/* packets rcvd after "close" */
111 	long	spxs_rcvwinprobe;	/* rcvd window probe packets */
112 	long	spxs_rcvdupack;		/* rcvd duplicate acks */
113 	long	spxs_rcvacktoomuch;	/* rcvd acks for unsent data */
114 	long	spxs_rcvackpack;	/* rcvd ack packets */
115 	long	spxs_rcvackbyte;	/* bytes acked by rcvd acks */
116 	long	spxs_rcvwinupd;		/* rcvd window update packets */
117 };
118 struct	spx_istat {
119 	short	hdrops;
120 	short	badsum;
121 	short	badlen;
122 	short	slotim;
123 	short	fastim;
124 	short	nonucn;
125 	short	noconn;
126 	short	notme;
127 	short	wrncon;
128 	short	bdreas;
129 	short	gonawy;
130 	short	notyet;
131 	short	lstdup;
132 	struct spxstat newstats;
133 };
134 
135 #define	SPX_ISSINCR	128
136 /*
137  * spx sequence numbers are 16 bit integers operated
138  * on with modular arithmetic.  These macros can be
139  * used to compare such integers.
140  */
141 #define	SSEQ_LT(a,b)	(((short)((a)-(b))) < 0)
142 #define	SSEQ_LEQ(a,b)	(((short)((a)-(b))) <= 0)
143 #define	SSEQ_GT(a,b)	(((short)((a)-(b))) > 0)
144 #define	SSEQ_GEQ(a,b)	(((short)((a)-(b))) >= 0)
145 
146 #ifdef _KERNEL
147 /* Following was struct spxstat spxstat; */
148 #ifndef spxstat
149 #define	spxstat	spx_istat.newstats
150 #endif
151 extern struct spx_istat	spx_istat;
152 extern u_short	spx_newchecks[50];
153 
154 int	spx_output(struct spxpcb *cb, struct mbuf *m0);
155 int	spx_reass(struct spxpcb *cb, struct mbuf *msi, struct spx *si);
156 void	spx_reass_flush(struct spxpcb *cb);
157 void	spx_reass_init(struct spxpcb *cb);
158 #endif
159 
160 #endif /* !_NETIPX_SPX_VAR_H_ */
161