ng_ppp.h revision 122481
1
2/*
3 * ng_ppp.h
4 *
5 * Copyright (c) 1996-2000 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@freebsd.org>
38 *
39 * $FreeBSD: head/sys/netgraph/ng_ppp.h 122481 2003-11-11 12:30:37Z ru $
40 * $Whistle: ng_ppp.h,v 1.8 1999/01/25 02:40:02 archie Exp $
41 */
42
43#ifndef _NETGRAPH_NG_PPP_H_
44#define _NETGRAPH_NG_PPP_H_
45
46/* Node type name and magic cookie */
47#define NG_PPP_NODE_TYPE	"ppp"
48#define NGM_PPP_COOKIE		940897795
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#define NG_PPP_HOOK_IPV6	"ipv6"		/* IPv6 packet data */
74
75#define NG_PPP_HOOK_LINK_PREFIX	"link"		/* append decimal link number */
76
77/* Netgraph commands */
78enum {
79	NGM_PPP_SET_CONFIG = 1,		/* takes struct ng_ppp_node_conf */
80	NGM_PPP_GET_CONFIG,		/* returns ng_ppp_node_conf */
81	NGM_PPP_GET_MP_STATE,		/* returns ng_ppp_mp_state */
82	NGM_PPP_GET_LINK_STATS,		/* takes link #, returns stats struct */
83	NGM_PPP_CLR_LINK_STATS,		/* takes link #, clears link stats */
84	NGM_PPP_GETCLR_LINK_STATS,	/* takes link #, returns & clrs stats */
85};
86
87/* Multi-link sequence number state (for debugging) */
88struct ng_ppp_mp_state {
89	int32_t		rseq[NG_PPP_MAX_LINKS];	/* highest rec'd MP seq # */
90	int32_t		mseq;			/* min rseq[i] */
91	int32_t		xseq;			/* next xmit MP seq # */
92};
93
94/* Keep this in sync with the above structure definition */
95#define NG_PPP_MP_STATE_TYPE_INFO(atype)	{		\
96	  { "rseq",	(atype)			},		\
97	  { "mseq",	&ng_parse_hint32_type	},		\
98	  { "xseq",	&ng_parse_hint32_type	},		\
99	  { NULL }						\
100}
101
102/* Per-link config structure */
103struct ng_ppp_link_conf {
104	u_char		enableLink;	/* enable this link */
105	u_char		enableProtoComp;/* enable protocol field compression */
106	u_char		enableACFComp;	/* enable addr/ctrl field compression */
107	u_int16_t	mru;		/* peer MRU */
108	u_int32_t	latency;	/* link latency (in milliseconds) */
109	u_int32_t	bandwidth;	/* link bandwidth (in bytes/second) */
110};
111
112/* Keep this in sync with the above structure definition */
113#define NG_PPP_LINK_TYPE_INFO	{				\
114	  { "enableLink",	&ng_parse_uint8_type	},	\
115	  { "enableProtoComp",	&ng_parse_uint8_type	},	\
116	  { "enableACFComp",	&ng_parse_uint8_type	},	\
117	  { "mru",		&ng_parse_uint16_type	},	\
118	  { "latency",		&ng_parse_uint32_type	},	\
119	  { "bandwidth",	&ng_parse_uint32_type	},	\
120	  { NULL }						\
121}
122
123/* Bundle config structure */
124struct ng_ppp_bund_conf {
125	u_int16_t	mrru;			/* multilink peer MRRU */
126	u_char		enableMultilink;	/* enable multilink */
127	u_char		recvShortSeq;		/* recv multilink short seq # */
128	u_char		xmitShortSeq;		/* xmit multilink short seq # */
129	u_char		enableRoundRobin;	/* xmit whole packets */
130	u_char		enableIP;		/* enable IP data flow */
131	u_char		enableIPv6;		/* enable IPv6 data flow */
132	u_char		enableAtalk;		/* enable AppleTalk data flow */
133	u_char		enableIPX;		/* enable IPX data flow */
134	u_char		enableCompression;	/* enable PPP compression */
135	u_char		enableDecompression;	/* enable PPP decompression */
136	u_char		enableEncryption;	/* enable PPP encryption */
137	u_char		enableDecryption;	/* enable PPP decryption */
138	u_char		enableVJCompression;	/* enable VJ compression */
139	u_char		enableVJDecompression;	/* enable VJ decompression */
140};
141
142/* Keep this in sync with the above structure definition */
143#define NG_PPP_BUND_TYPE_INFO	{					\
144	  { "mrru",			&ng_parse_uint16_type	},	\
145	  { "enableMultilink",		&ng_parse_uint8_type	},	\
146	  { "recvShortSeq",		&ng_parse_uint8_type	},	\
147	  { "xmitShortSeq",		&ng_parse_uint8_type	},	\
148	  { "enableRoundRobin",		&ng_parse_uint8_type	},	\
149	  { "enableIP",			&ng_parse_uint8_type	},	\
150	  { "enableIPv6",		&ng_parse_uint8_type	},	\
151	  { "enableAtalk",		&ng_parse_uint8_type	},	\
152	  { "enableIPX",		&ng_parse_uint8_type	},	\
153	  { "enableCompression",	&ng_parse_uint8_type	},	\
154	  { "enableDecompression",	&ng_parse_uint8_type	},	\
155	  { "enableEncryption",		&ng_parse_uint8_type	},	\
156	  { "enableDecryption",		&ng_parse_uint8_type	},	\
157	  { "enableVJCompression",	&ng_parse_uint8_type	},	\
158	  { "enableVJDecompression",	&ng_parse_uint8_type	},	\
159	  { NULL }							\
160}
161
162/* Total node config structure */
163struct ng_ppp_node_conf {
164	struct ng_ppp_bund_conf	bund;
165	struct ng_ppp_link_conf	links[NG_PPP_MAX_LINKS];
166};
167
168/* Keep this in sync with the above structure definition */
169#define NG_PPP_CONFIG_TYPE_INFO(bctype, arytype)	{	\
170	  { "bund",		(bctype)	},		\
171	  { "links",		(arytype)	},		\
172	  { NULL }						\
173}
174
175/* Statistics struct for a link (or the bundle if NG_PPP_BUNDLE_LINKNUM) */
176struct ng_ppp_link_stat {
177	u_int32_t xmitFrames;		/* xmit frames on link */
178	u_int32_t xmitOctets;		/* xmit octets on link */
179	u_int32_t recvFrames;		/* recv frames on link */
180	u_int32_t recvOctets;		/* recv octets on link */
181	u_int32_t badProtos;		/* frames rec'd with bogus protocol */
182	u_int32_t runts;		/* Too short MP fragments */
183	u_int32_t dupFragments;		/* MP frames with duplicate seq # */
184	u_int32_t dropFragments;	/* MP fragments we had to drop */
185};
186
187/* Keep this in sync with the above structure definition */
188#define NG_PPP_STATS_TYPE_INFO	{				\
189	  { "xmitFrames",	&ng_parse_uint32_type	},	\
190	  { "xmitOctets",	&ng_parse_uint32_type	},	\
191	  { "recvFrames",	&ng_parse_uint32_type	},	\
192	  { "recvOctets",	&ng_parse_uint32_type	},	\
193	  { "badProtos",	&ng_parse_uint32_type	},	\
194	  { "runts",		&ng_parse_uint32_type	},	\
195	  { "dupFragments",	&ng_parse_uint32_type	},	\
196	  { "dropFragments",	&ng_parse_uint32_type	},	\
197	  { NULL }						\
198}
199
200#endif /* _NETGRAPH_NG_PPP_H_ */
201