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38 * Author: Julian Elischer <julian@freebsd.org>
39 * $Whistle: ng_pppoe.h,v 1.7 1999/10/16 10:16:43 julian Exp $
42 #ifndef _NETGRAPH_NG_PPPOE_H_
43 #define _NETGRAPH_NG_PPPOE_H_
45 /********************************************************************
46 * Netgraph hook constants etc.
47 ********************************************************************/
48 /* Node type name. This should be unique among all netgraph node types */
49 #define NG_PPPOE_NODE_TYPE "pppoe"
51 #define NGM_PPPOE_COOKIE 1089893072
52 #define NGM_PPPOE_SETMAXP_COOKIE 1441624322
53 #define NGM_PPPOE_PADM_COOKIE 1488405822
55 #define PPPOE_SERVICE_NAME_SIZE 64 /* for now */
56 #define PPPOE_PADM_VALUE_SIZE 128 /* for now */
59 #define NG_PPPOE_HOOK_ETHERNET "ethernet"
60 #define NG_PPPOE_HOOK_DEBUG "debug"
63 #define NG_PPPOE_STANDARD "standard"
64 #define NG_PPPOE_3COM "3Com"
65 #define NG_PPPOE_NONSTANDARD NG_PPPOE_3COM
66 #define NG_PPPOE_DLINK "D-Link"
68 /**********************************************************************
69 * Netgraph commands understood by this node type.
70 * FAIL, SUCCESS, CLOSE and ACNAME are sent by the node rather than received.
71 ********************************************************************/
73 NGM_PPPOE_SET_FLAG = 1,
74 NGM_PPPOE_CONNECT = 2, /* Client, Try find this service */
75 NGM_PPPOE_LISTEN = 3, /* Server, Await a request for this service */
76 NGM_PPPOE_OFFER = 4, /* Server, hook X should respond (*) */
77 NGM_PPPOE_SUCCESS = 5, /* State machine connected */
78 NGM_PPPOE_FAIL = 6, /* State machine could not connect */
79 NGM_PPPOE_CLOSE = 7, /* Session closed down */
80 NGM_PPPOE_SERVICE = 8, /* additional Service to advertise (in PADO) */
81 NGM_PPPOE_ACNAME = 9, /* AC_NAME for informational purposes */
82 NGM_PPPOE_GET_STATUS = 10, /* data in/out */
83 NGM_PPPOE_SESSIONID = 11, /* Session_ID for informational purposes */
84 NGM_PPPOE_SETMODE = 12, /* set to standard or compat modes */
85 NGM_PPPOE_GETMODE = 13, /* see current mode */
86 NGM_PPPOE_SETENADDR = 14, /* set Ethernet address */
87 NGM_PPPOE_SETMAXP = 15, /* Set PPP-Max-Payload value */
88 NGM_PPPOE_SEND_HURL = 16, /* Send PADM HURL message */
89 NGM_PPPOE_HURL = 17, /* HURL for informational purposes */
90 NGM_PPPOE_SEND_MOTM = 18, /* Send PADM MOTM message */
91 NGM_PPPOE_MOTM = 19 /* MOTM for informational purposes */
94 /***********************
95 * Structures passed in the various netgraph command messages.
96 ***********************/
97 /* This structure is returned by the NGM_PPPOE_GET_STATUS command */
99 u_int packets_in; /* packets in from ethernet */
100 u_int packets_out; /* packets out towards ethernet */
103 /* Keep this in sync with the above structure definition */
104 #define NG_PPPOESTAT_TYPE_INFO { \
105 { "packets_in", &ng_parse_uint_type }, \
106 { "packets_out", &ng_parse_uint_type }, \
111 * When this structure is accepted by the NGM_PPPOE_CONNECT command :
112 * The data field is MANDATORY.
113 * The session sends out a PADI request for the named service.
116 * When this structure is accepted by the NGM_PPPOE_LISTEN command.
117 * If no service is given this is assumed to accept ALL PADI requests.
118 * This may at some time take a regexp expression, but not yet.
119 * Matching PADI requests will be passed up the named hook.
122 * When this structure is accepted by the NGM_PPPOE_OFFER command:
123 * The AC-NAme field is set from that given and a PADI
124 * packet is expected to arrive from the session control daemon, on the
125 * named hook. The session will then issue the appropriate PADO
126 * and begin negotiation.
128 struct ngpppoe_init_data {
129 char hook[NG_HOOKSIZ]; /* hook to monitor on */
130 u_int16_t data_len; /* Length of the service name */
131 char data[]; /* init data goes here */
134 /* Keep this in sync with the above structure definition */
135 #define NG_PPPOE_INIT_DATA_TYPE_INFO { \
136 { "hook", &ng_parse_hookbuf_type }, \
137 { "data", &ng_parse_sizedstring_type }, \
142 * This structure is used by the asynchronous success and failure messages.
143 * (to report which hook has failed or connected). The message is sent
144 * to whoever requested the connection. (close may use this too).
147 char hook[NG_HOOKSIZ]; /* hook associated with event session */
150 /* Keep this in sync with the above structure definition */
151 #define NG_PPPOE_STS_TYPE_INFO { \
152 { "hook", &ng_parse_hookbuf_type }, \
157 * This structure is used to send PPP-Max-Payload value from server to client.
159 struct ngpppoe_maxp {
160 char hook[NG_HOOKSIZ]; /* hook associated with event session */
165 * This structure is used to send PADM messages from server to client.
167 struct ngpppoe_padm {
168 char msg[PPPOE_PADM_VALUE_SIZE];
171 /********************************************************************
172 * Constants and definitions specific to pppoe
173 ********************************************************************/
175 #define PPPOE_TIMEOUT_LIMIT 64
176 #define PPPOE_OFFER_TIMEOUT 16
177 #define PPPOE_INITIAL_TIMEOUT 2
179 /* Codes to identify message types */
180 #define PADI_CODE 0x09
181 #define PADO_CODE 0x07
182 #define PADR_CODE 0x19
183 #define PADS_CODE 0x65
184 #define PADT_CODE 0xa7
185 #define PADM_CODE 0xd3
187 /* Tag identifiers */
188 #if BYTE_ORDER == BIG_ENDIAN
189 #define PTT_EOL (0x0000)
190 #define PTT_SRV_NAME (0x0101)
191 #define PTT_AC_NAME (0x0102)
192 #define PTT_HOST_UNIQ (0x0103)
193 #define PTT_AC_COOKIE (0x0104)
194 #define PTT_VENDOR (0x0105)
195 #define PTT_RELAY_SID (0x0110)
196 #define PTT_HURL (0x0111) /* PPPoE Extensions (CARREL) */
197 #define PTT_MOTM (0x0112) /* PPPoE Extensions (CARREL) */
198 #define PTT_MAX_PAYL (0x0120) /* PPP-Max-Payload (RFC4638) */
199 #define PTT_SRV_ERR (0x0201)
200 #define PTT_SYS_ERR (0x0202)
201 #define PTT_GEN_ERR (0x0203)
203 #define ETHERTYPE_PPPOE_DISC 0x8863 /* pppoe discovery packets */
204 #define ETHERTYPE_PPPOE_SESS 0x8864 /* pppoe session packets */
205 #define ETHERTYPE_PPPOE_3COM_DISC 0x3c12 /* pppoe discovery packets 3com? */
206 #define ETHERTYPE_PPPOE_3COM_SESS 0x3c13 /* pppoe session packets 3com? */
208 #define PTT_EOL (0x0000)
209 #define PTT_SRV_NAME (0x0101)
210 #define PTT_AC_NAME (0x0201)
211 #define PTT_HOST_UNIQ (0x0301)
212 #define PTT_AC_COOKIE (0x0401)
213 #define PTT_VENDOR (0x0501)
214 #define PTT_RELAY_SID (0x1001)
215 #define PTT_HURL (0x1101) /* PPPoE Extensions (CARREL) */
216 #define PTT_MOTM (0x1201) /* PPPoE Extensions (CARREL) */
217 #define PTT_MAX_PAYL (0x2001) /* PPP-Max-Payload (RFC4638) */
218 #define PTT_SRV_ERR (0x0102)
219 #define PTT_SYS_ERR (0x0202)
220 #define PTT_GEN_ERR (0x0302)
222 #define ETHERTYPE_PPPOE_DISC 0x6388 /* pppoe discovery packets */
223 #define ETHERTYPE_PPPOE_SESS 0x6488 /* pppoe session packets */
224 #define ETHERTYPE_PPPOE_3COM_DISC 0x123c /* pppoe discovery packets 3com? */
225 #define ETHERTYPE_PPPOE_3COM_SESS 0x133c /* pppoe session packets 3com? */
241 struct pppoe_full_hdr {
242 struct ether_header eh;
247 struct pppoe_full_hdr pkt_header;
248 u_int8_t bytes[2048];
252 struct pppoe_tag hdr;
253 u_int8_t data[PPPOE_SERVICE_NAME_SIZE];
257 struct pppoe_tag hdr;
262 * Define the order in which we will place tags in packets
263 * this may be ignored
269 #define TAGO_ACNAME 0
271 #define TAGO_COOKIE 2
276 #define TAGR_COOKIE 2
278 #define TAGS_ACNAME 0
280 #define TAGS_COOKIE 2
284 #endif /* _NETGRAPH_NG_PPPOE_H_ */