xref: /dragonfly/sys/netgraph/ppp/ng_ppp.h (revision f8f04fe3)
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: src/sys/netgraph/ng_ppp.h,v 1.5.2.4 2002/07/02 23:44:03 archie Exp $
40  * $DragonFly: src/sys/netgraph/ppp/ng_ppp.h,v 1.2 2003/06/17 04:28:51 dillon Exp $
41  * $Whistle: ng_ppp.h,v 1.8 1999/01/25 02:40:02 archie Exp $
42  */
43 
44 #ifndef _NETGRAPH_PPP_H_
45 #define _NETGRAPH_PPP_H_
46 
47 /* Node type name and magic cookie */
48 #define NG_PPP_NODE_TYPE	"ppp"
49 #define NGM_PPP_COOKIE		940897795
50 
51 /* Maximum number of supported links */
52 #define NG_PPP_MAX_LINKS	16
53 
54 /* Pseudo-link number representing the multi-link bundle */
55 #define NG_PPP_BUNDLE_LINKNUM	0xffff
56 
57 /* Max allowable link latency (miliseconds) and bandwidth (bytes/second/10) */
58 #define NG_PPP_MAX_LATENCY	1000		/* 1 second */
59 #define NG_PPP_MAX_BANDWIDTH	125000		/* 10 Mbits / second */
60 
61 /* Hook names */
62 #define NG_PPP_HOOK_BYPASS	"bypass"	/* unknown protocols */
63 #define NG_PPP_HOOK_COMPRESS	"compress"	/* outgoing compression */
64 #define NG_PPP_HOOK_DECOMPRESS	"decompress"	/* incoming decompression */
65 #define NG_PPP_HOOK_ENCRYPT	"encrypt"	/* outgoing encryption */
66 #define NG_PPP_HOOK_DECRYPT	"decrypt"	/* incoming decryption */
67 #define NG_PPP_HOOK_VJC_IP	"vjc_ip"	/* VJC raw IP */
68 #define NG_PPP_HOOK_VJC_COMP	"vjc_vjcomp"	/* VJC compressed TCP */
69 #define NG_PPP_HOOK_VJC_UNCOMP	"vjc_vjuncomp"	/* VJC uncompressed TCP */
70 #define NG_PPP_HOOK_VJC_VJIP	"vjc_vjip"	/* VJC uncompressed IP */
71 #define NG_PPP_HOOK_INET	"inet"		/* IP packet data */
72 #define NG_PPP_HOOK_ATALK	"atalk"		/* AppleTalk packet data */
73 #define NG_PPP_HOOK_IPX		"ipx"		/* IPX packet data */
74 #define NG_PPP_HOOK_IPV6	"ipv6"		/* IPv6 packet data */
75 
76 #define NG_PPP_HOOK_LINK_PREFIX	"link"		/* append decimal link number */
77 
78 /* Netgraph commands */
79 enum {
80 	NGM_PPP_SET_CONFIG = 1,		/* takes struct ng_ppp_node_conf */
81 	NGM_PPP_GET_CONFIG,		/* returns ng_ppp_node_conf */
82 	NGM_PPP_GET_MP_STATE,		/* returns ng_ppp_mp_state */
83 	NGM_PPP_GET_LINK_STATS,		/* takes link #, returns stats struct */
84 	NGM_PPP_CLR_LINK_STATS,		/* takes link #, clears link stats */
85 	NGM_PPP_GETCLR_LINK_STATS,	/* takes link #, returns & clrs stats */
86 };
87 
88 /* Multi-link sequence number state (for debugging) */
89 struct ng_ppp_mp_state {
90 	int32_t		rseq[NG_PPP_MAX_LINKS];	/* highest rec'd MP seq # */
91 	int32_t		mseq;			/* min rseq[i] */
92 	int32_t		xseq;			/* next xmit MP seq # */
93 };
94 
95 /* Keep this in sync with the above structure definition */
96 #define NG_PPP_MP_STATE_TYPE_INFO(atype)	{		\
97 	  { "rseq",	(atype)			},		\
98 	  { "mseq",	&ng_parse_hint32_type	},		\
99 	  { "xseq",	&ng_parse_hint32_type	},		\
100 	  { NULL }						\
101 }
102 
103 /* Per-link config structure */
104 struct ng_ppp_link_conf {
105 	u_char		enableLink;	/* enable this link */
106 	u_char		enableProtoComp;/* enable protocol field compression */
107 	u_char		enableACFComp;	/* enable addr/ctrl field compression */
108 	u_int16_t	mru;		/* peer MRU */
109 	u_int32_t	latency;	/* link latency (in milliseconds) */
110 	u_int32_t	bandwidth;	/* link bandwidth (in bytes/second) */
111 };
112 
113 /* Keep this in sync with the above structure definition */
114 #define NG_PPP_LINK_TYPE_INFO	{				\
115 	  { "enableLink",	&ng_parse_uint8_type	},	\
116 	  { "enableProtoComp",	&ng_parse_uint8_type	},	\
117 	  { "enableACFComp",	&ng_parse_uint8_type	},	\
118 	  { "mru",		&ng_parse_uint16_type	},	\
119 	  { "latency",		&ng_parse_uint32_type	},	\
120 	  { "bandwidth",	&ng_parse_uint32_type	},	\
121 	  { NULL }						\
122 }
123 
124 /* Bundle config structure */
125 struct ng_ppp_bund_conf {
126 	u_int16_t	mrru;			/* multilink peer MRRU */
127 	u_char		enableMultilink;	/* enable multilink */
128 	u_char		recvShortSeq;		/* recv multilink short seq # */
129 	u_char		xmitShortSeq;		/* xmit multilink short seq # */
130 	u_char		enableRoundRobin;	/* xmit whole packets */
131 	u_char		enableIP;		/* enable IP data flow */
132 	u_char		enableIPv6;		/* enable IPv6 data flow */
133 	u_char		enableAtalk;		/* enable AppleTalk data flow */
134 	u_char		enableIPX;		/* enable IPX data flow */
135 	u_char		enableCompression;	/* enable PPP compression */
136 	u_char		enableDecompression;	/* enable PPP decompression */
137 	u_char		enableEncryption;	/* enable PPP encryption */
138 	u_char		enableDecryption;	/* enable PPP decryption */
139 	u_char		enableVJCompression;	/* enable VJ compression */
140 	u_char		enableVJDecompression;	/* enable VJ decompression */
141 };
142 
143 /* Keep this in sync with the above structure definition */
144 #define NG_PPP_BUND_TYPE_INFO	{					\
145 	  { "mrru",			&ng_parse_uint16_type	},	\
146 	  { "enableMultilink",		&ng_parse_uint8_type	},	\
147 	  { "recvShortSeq",		&ng_parse_uint8_type	},	\
148 	  { "xmitShortSeq",		&ng_parse_uint8_type	},	\
149 	  { "enableRoundRobin",		&ng_parse_uint8_type	},	\
150 	  { "enableIP",			&ng_parse_uint8_type	},	\
151 	  { "enableIPv6",		&ng_parse_uint8_type	},	\
152 	  { "enableAtalk",		&ng_parse_uint8_type	},	\
153 	  { "enableIPX",		&ng_parse_uint8_type	},	\
154 	  { "enableCompression",	&ng_parse_uint8_type	},	\
155 	  { "enableDecompression",	&ng_parse_uint8_type	},	\
156 	  { "enableEncryption",		&ng_parse_uint8_type	},	\
157 	  { "enableDecryption",		&ng_parse_uint8_type	},	\
158 	  { "enableVJCompression",	&ng_parse_uint8_type	},	\
159 	  { "enableVJDecompression",	&ng_parse_uint8_type	},	\
160 	  { NULL }							\
161 }
162 
163 /* Total node config structure */
164 struct ng_ppp_node_conf {
165 	struct ng_ppp_bund_conf	bund;
166 	struct ng_ppp_link_conf	links[NG_PPP_MAX_LINKS];
167 };
168 
169 /* Keep this in sync with the above structure definition */
170 #define NG_PPP_CONFIG_TYPE_INFO(bctype, arytype)	{	\
171 	  { "bund",		(bctype)	},		\
172 	  { "links",		(arytype)	},		\
173 	  { NULL }						\
174 }
175 
176 /* Statistics struct for a link (or the bundle if NG_PPP_BUNDLE_LINKNUM) */
177 struct ng_ppp_link_stat {
178 	u_int32_t xmitFrames;		/* xmit frames on link */
179 	u_int32_t xmitOctets;		/* xmit octets on link */
180 	u_int32_t recvFrames;		/* recv frames on link */
181 	u_int32_t recvOctets;		/* recv octets on link */
182 	u_int32_t badProtos;		/* frames rec'd with bogus protocol */
183 	u_int32_t runts;		/* Too short MP fragments */
184 	u_int32_t dupFragments;		/* MP frames with duplicate seq # */
185 	u_int32_t dropFragments;	/* MP fragments we had to drop */
186 };
187 
188 /* Keep this in sync with the above structure definition */
189 #define NG_PPP_STATS_TYPE_INFO	{				\
190 	  { "xmitFrames",	&ng_parse_uint32_type	},	\
191 	  { "xmitOctets",	&ng_parse_uint32_type	},	\
192 	  { "recvFrames",	&ng_parse_uint32_type	},	\
193 	  { "recvOctets",	&ng_parse_uint32_type	},	\
194 	  { "badProtos",	&ng_parse_uint32_type	},	\
195 	  { "runts",		&ng_parse_uint32_type	},	\
196 	  { "dupFragments",	&ng_parse_uint32_type	},	\
197 	  { "dropFragments",	&ng_parse_uint32_type	},	\
198 	  { NULL }						\
199 }
200 
201 #endif /* _NETGRAPH_PPP_H_ */
202