ng_ppp.h revision 53913
1
2/*
3 * ng_ppp.h
4 *
5 * Copyright (c) 1996-1999 Whistle Communications, Inc.
6 * All rights reserved.
7 *
8 * Subject to the following obligations and disclaimer of warranty, use and
9 * redistribution of this software, in source or object code forms, with or
10 * without modifications are expressly permitted by Whistle Communications;
11 * provided, however, that:
12 * 1. Any and all reproductions of the source or object code must include the
13 *    copyright notice above and the following disclaimer of warranties; and
14 * 2. No rights are granted, in any manner or form, to use Whistle
15 *    Communications, Inc. trademarks, including the mark "WHISTLE
16 *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
17 *    such appears in the above copyright notice or in the software.
18 *
19 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
20 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
21 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
22 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
24 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
25 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
26 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
27 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
28 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
29 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
30 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 * OF SUCH DAMAGE.
36 *
37 * Author: Archie Cobbs <archie@whistle.com>
38 *
39 * $FreeBSD: head/sys/netgraph/ng_ppp.h 53913 1999-11-30 02:45:32Z archie $
40 * $Whistle: ng_ppp.h,v 1.8 1999/01/25 02:40:02 archie Exp $
41 */
42
43#ifndef _NETGRAPH_PPP_H_
44#define _NETGRAPH_PPP_H_
45
46/* Node type name and magic cookie */
47#define NG_PPP_NODE_TYPE	"ppp"
48#define NGM_PPP_COOKIE		940897793
49
50/* Maximum number of supported links */
51#define NG_PPP_MAX_LINKS	16
52
53/* Pseudo-link number representing the multi-link bundle */
54#define NG_PPP_BUNDLE_LINKNUM	0xffff
55
56/* Max allowable link latency (miliseconds) and bandwidth (bytes/second/10) */
57#define NG_PPP_MAX_LATENCY	1000		/* 1 second */
58#define NG_PPP_MAX_BANDWIDTH	125000		/* 10 Mbits / second */
59
60/* Hook names */
61#define NG_PPP_HOOK_BYPASS	"bypass"	/* unknown protocols */
62#define NG_PPP_HOOK_COMPRESS	"compress"	/* outgoing compression */
63#define NG_PPP_HOOK_DECOMPRESS	"decompress"	/* incoming decompression */
64#define NG_PPP_HOOK_ENCRYPT	"encrypt"	/* outgoing encryption */
65#define NG_PPP_HOOK_DECRYPT	"decrypt"	/* incoming decryption */
66#define NG_PPP_HOOK_VJC_IP	"vjc_ip"	/* VJC raw IP */
67#define NG_PPP_HOOK_VJC_COMP	"vjc_vjcomp"	/* VJC compressed TCP */
68#define NG_PPP_HOOK_VJC_UNCOMP	"vjc_vjuncomp"	/* VJC uncompressed TCP */
69#define NG_PPP_HOOK_VJC_VJIP	"vjc_vjip"	/* VJC uncompressed IP */
70#define NG_PPP_HOOK_INET	"inet"		/* IP packet data */
71#define NG_PPP_HOOK_ATALK	"atalk"		/* AppleTalk packet data */
72#define NG_PPP_HOOK_IPX		"ipx"		/* IPX packet data */
73
74#define NG_PPP_HOOK_LINK_PREFIX	"link"		/* append decimal link number */
75
76/* Netgraph commands */
77enum {
78	NGM_PPP_SET_CONFIG = 1,		/* takes struct ng_ppp_bundle_config */
79	NGM_PPP_GET_CONFIG,		/* returns ng_ppp_bundle_config */
80	NGM_PPP_GET_LINK_STATS,		/* takes link #, returns stats struct */
81	NGM_PPP_CLR_LINK_STATS,		/* takes link #, clears link stats */
82	NGM_PPP_GETCLR_LINK_STATS,	/* takes link #, returns & clrs stats */
83};
84
85/* Per-link config structure */
86struct ng_ppp_link_config {
87	u_char		enableLink;	/* enable this link */
88	u_char		enableProtoComp;/* enable protocol field compression */
89	u_char		enableACFComp;	/* enable addr/ctrl field compression */
90	u_int16_t	mru;		/* peer MRU */
91	u_int32_t	latency;	/* link latency (in milliseconds) */
92	u_int32_t	bandwidth;	/* link bandwidth (in bytes/second) */
93};
94
95/* Keep this in sync with the above structure definition */
96#define NG_PPP_LINK_TYPE_INFO	{				\
97	{							\
98	  { "enable",		&ng_parse_int8_type	},	\
99	  { "protocomp",	&ng_parse_int8_type	},	\
100	  { "acfcomp",		&ng_parse_int8_type	},	\
101	  { "mru",		&ng_parse_int16_type	},	\
102	  { "latency",		&ng_parse_int32_type	},	\
103	  { "bandwidth",	&ng_parse_int32_type	},	\
104	  { NULL },						\
105	}							\
106}
107
108/* Node config structure */
109struct ng_ppp_node_config {
110	u_int16_t	mrru;			/* multilink peer MRRU */
111	u_char		enableMultilink;	/* enable multilink */
112	u_char		recvShortSeq;		/* recv multilink short seq # */
113	u_char		xmitShortSeq;		/* xmit multilink short seq # */
114	u_char		enableRoundRobin;	/* xmit whole packets */
115	u_char		enableIP;		/* enable IP data flow */
116	u_char		enableAtalk;		/* enable AppleTalk data flow */
117	u_char		enableIPX;		/* enable IPX data flow */
118	u_char		enableCompression;	/* enable PPP compression */
119	u_char		enableDecompression;	/* enable PPP decompression */
120	u_char		enableEncryption;	/* enable PPP encryption */
121	u_char		enableDecryption;	/* enable PPP decryption */
122	u_char		enableVJCompression;	/* enable VJ compression */
123	u_char		enableVJDecompression;	/* enable VJ decompression */
124	struct ng_ppp_link_config		/* per link config params */
125			links[NG_PPP_MAX_LINKS];
126};
127
128/* Keep this in sync with the above structure definition */
129#define NG_PPP_CONFIG_TYPE_INFO(arytype)	{		\
130	{							\
131	  { "mrru",		&ng_parse_int16_type	},	\
132	  { "multilink",	&ng_parse_int8_type	},	\
133	  { "recvShortSeq",	&ng_parse_int8_type	},	\
134	  { "xmitShortSeq",	&ng_parse_int8_type	},	\
135	  { "roundRobin",	&ng_parse_int8_type	},	\
136	  { "ip",		&ng_parse_int8_type	},	\
137	  { "appletalk",	&ng_parse_int8_type	},	\
138	  { "ipx",		&ng_parse_int8_type	},	\
139	  { "comp",		&ng_parse_int8_type	},	\
140	  { "decomp",		&ng_parse_int8_type	},	\
141	  { "encryption",	&ng_parse_int8_type	},	\
142	  { "decryption",	&ng_parse_int8_type	},	\
143	  { "vjcomp",		&ng_parse_int8_type	},	\
144	  { "vjdecomp",		&ng_parse_int8_type	},	\
145	  { "links",		(arytype)		},	\
146	  { NULL },						\
147	}							\
148}
149
150/* Statistics struct for a link (or the bundle if NG_PPP_BUNDLE_LINKNUM) */
151struct ng_ppp_link_stat {
152	u_int32_t xmitFrames;		/* xmit frames on link */
153	u_int32_t xmitOctets;		/* xmit octets on link */
154	u_int32_t recvFrames;		/* recv frames on link */
155	u_int32_t recvOctets;		/* recv octets on link */
156	u_int32_t badProtos;		/* frames rec'd with bogus protocol */
157	u_int32_t dupFragments;		/* MP frames with duplicate seq # */
158};
159
160/* Keep this in sync with the above structure definition */
161#define NG_PPP_STATS_TYPE_INFO	{				\
162	{							\
163	  { "xmitFrames",	&ng_parse_int32_type	},	\
164	  { "xmitOctets",	&ng_parse_int32_type	},	\
165	  { "recvFrames",	&ng_parse_int32_type	},	\
166	  { "recvOctets",	&ng_parse_int32_type	},	\
167	  { "badProtos",	&ng_parse_int32_type	},	\
168	  { "dupFragments",	&ng_parse_int32_type	},	\
169	  { NULL },						\
170	}							\
171}
172
173#endif /* _NETGRAPH_PPP_H_ */
174