ng_ppp.h revision 165580
1169092Sdeischen/*
2169092Sdeischen * ng_ppp.h
3169092Sdeischen */
4168319Skan
5168319Skan/*-
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37 *
38 * Author: Archie Cobbs <archie@freebsd.org>
39 *
40 * $FreeBSD: head/sys/netgraph/ng_ppp.h 165580 2006-12-28 13:21:54Z glebius $
41 * $Whistle: ng_ppp.h,v 1.8 1999/01/25 02:40:02 archie Exp $
42 */
43
44#ifndef _NETGRAPH_NG_PPP_H_
45#define _NETGRAPH_NG_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/* Compress hook operation modes */
79enum {
80	NG_PPP_COMPRESS_NONE = 0,	/* compression disabled */
81	NG_PPP_COMPRESS_SIMPLE,		/* original operation mode */
82	NG_PPP_COMPRESS_FULL,		/* compressor returns proto */
83};
84
85/* Decompress hook operation modes */
86enum {
87	NG_PPP_DECOMPRESS_NONE = 0,	/* decompression disabled */
88	NG_PPP_DECOMPRESS_SIMPLE,	/* original operation mode */
89	NG_PPP_DECOMPRESS_FULL,		/* forward any packet to decompressor */
90};
91
92/* Netgraph commands */
93enum {
94	NGM_PPP_SET_CONFIG = 1,		/* takes struct ng_ppp_node_conf */
95	NGM_PPP_GET_CONFIG,		/* returns ng_ppp_node_conf */
96	NGM_PPP_GET_MP_STATE,		/* returns ng_ppp_mp_state */
97	NGM_PPP_GET_LINK_STATS,		/* takes link #, returns stats struct */
98	NGM_PPP_CLR_LINK_STATS,		/* takes link #, clears link stats */
99	NGM_PPP_GETCLR_LINK_STATS,	/* takes link #, returns & clrs stats */
100};
101
102/* Multi-link sequence number state (for debugging) */
103struct ng_ppp_mp_state {
104	int32_t		rseq[NG_PPP_MAX_LINKS];	/* highest rec'd MP seq # */
105	int32_t		mseq;			/* min rseq[i] */
106	int32_t		xseq;			/* next xmit MP seq # */
107};
108
109/* Keep this in sync with the above structure definition */
110#define NG_PPP_MP_STATE_TYPE_INFO(atype)	{		\
111	  { "rseq",	(atype)			},		\
112	  { "mseq",	&ng_parse_hint32_type	},		\
113	  { "xseq",	&ng_parse_hint32_type	},		\
114	  { NULL }						\
115}
116
117/* Per-link config structure */
118struct ng_ppp_link_conf {
119	u_char		enableLink;	/* enable this link */
120	u_char		enableProtoComp;/* enable protocol field compression */
121	u_char		enableACFComp;	/* enable addr/ctrl field compression */
122	u_int16_t	mru;		/* peer MRU */
123	u_int32_t	latency;	/* link latency (in milliseconds) */
124	u_int32_t	bandwidth;	/* link bandwidth (in bytes/sec/10) */
125};
126
127/* Keep this in sync with the above structure definition */
128#define NG_PPP_LINK_TYPE_INFO	{				\
129	  { "enableLink",	&ng_parse_uint8_type	},	\
130	  { "enableProtoComp",	&ng_parse_uint8_type	},	\
131	  { "enableACFComp",	&ng_parse_uint8_type	},	\
132	  { "mru",		&ng_parse_uint16_type	},	\
133	  { "latency",		&ng_parse_uint32_type	},	\
134	  { "bandwidth",	&ng_parse_uint32_type	},	\
135	  { NULL }						\
136}
137
138/* Bundle config structure */
139struct ng_ppp_bund_conf {
140	u_int16_t	mrru;			/* multilink peer MRRU */
141	u_char		enableMultilink;	/* enable multilink */
142	u_char		recvShortSeq;		/* recv multilink short seq # */
143	u_char		xmitShortSeq;		/* xmit multilink short seq # */
144	u_char		enableRoundRobin;	/* xmit whole packets */
145	u_char		enableIP;		/* enable IP data flow */
146	u_char		enableIPv6;		/* enable IPv6 data flow */
147	u_char		enableAtalk;		/* enable AppleTalk data flow */
148	u_char		enableIPX;		/* enable IPX data flow */
149	u_char		enableCompression;	/* enable PPP compression */
150	u_char		enableDecompression;	/* enable PPP decompression */
151	u_char		enableEncryption;	/* enable PPP encryption */
152	u_char		enableDecryption;	/* enable PPP decryption */
153	u_char		enableVJCompression;	/* enable VJ compression */
154	u_char		enableVJDecompression;	/* enable VJ decompression */
155};
156
157/* Keep this in sync with the above structure definition */
158#define NG_PPP_BUND_TYPE_INFO	{					\
159	  { "mrru",			&ng_parse_uint16_type	},	\
160	  { "enableMultilink",		&ng_parse_uint8_type	},	\
161	  { "recvShortSeq",		&ng_parse_uint8_type	},	\
162	  { "xmitShortSeq",		&ng_parse_uint8_type	},	\
163	  { "enableRoundRobin",		&ng_parse_uint8_type	},	\
164	  { "enableIP",			&ng_parse_uint8_type	},	\
165	  { "enableIPv6",		&ng_parse_uint8_type	},	\
166	  { "enableAtalk",		&ng_parse_uint8_type	},	\
167	  { "enableIPX",		&ng_parse_uint8_type	},	\
168	  { "enableCompression",	&ng_parse_uint8_type	},	\
169	  { "enableDecompression",	&ng_parse_uint8_type	},	\
170	  { "enableEncryption",		&ng_parse_uint8_type	},	\
171	  { "enableDecryption",		&ng_parse_uint8_type	},	\
172	  { "enableVJCompression",	&ng_parse_uint8_type	},	\
173	  { "enableVJDecompression",	&ng_parse_uint8_type	},	\
174	  { NULL }							\
175}
176
177/* Total node config structure */
178struct ng_ppp_node_conf {
179	struct ng_ppp_bund_conf	bund;
180	struct ng_ppp_link_conf	links[NG_PPP_MAX_LINKS];
181};
182
183/* Keep this in sync with the above structure definition */
184#define NG_PPP_CONFIG_TYPE_INFO(bctype, arytype)	{	\
185	  { "bund",		(bctype)	},		\
186	  { "links",		(arytype)	},		\
187	  { NULL }						\
188}
189
190/* Statistics struct for a link (or the bundle if NG_PPP_BUNDLE_LINKNUM) */
191struct ng_ppp_link_stat {
192	u_int32_t xmitFrames;		/* xmit frames on link */
193	u_int32_t xmitOctets;		/* xmit octets on link */
194	u_int32_t recvFrames;		/* recv frames on link */
195	u_int32_t recvOctets;		/* recv octets on link */
196	u_int32_t badProtos;		/* frames rec'd with bogus protocol */
197	u_int32_t runts;		/* Too short MP fragments */
198	u_int32_t dupFragments;		/* MP frames with duplicate seq # */
199	u_int32_t dropFragments;	/* MP fragments we had to drop */
200};
201
202/* Keep this in sync with the above structure definition */
203#define NG_PPP_STATS_TYPE_INFO	{				\
204	  { "xmitFrames",	&ng_parse_uint32_type	},	\
205	  { "xmitOctets",	&ng_parse_uint32_type	},	\
206	  { "recvFrames",	&ng_parse_uint32_type	},	\
207	  { "recvOctets",	&ng_parse_uint32_type	},	\
208	  { "badProtos",	&ng_parse_uint32_type	},	\
209	  { "runts",		&ng_parse_uint32_type	},	\
210	  { "dupFragments",	&ng_parse_uint32_type	},	\
211	  { "dropFragments",	&ng_parse_uint32_type	},	\
212	  { NULL }						\
213}
214
215#endif /* _NETGRAPH_NG_PPP_H_ */
216