1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * PPPoE Protocol definitions. 24*0Sstevel@tonic-gate * 25*0Sstevel@tonic-gate * Copyright (c) 2000-2001 by Sun Microsystems, Inc. 26*0Sstevel@tonic-gate * All rights reserved. 27*0Sstevel@tonic-gate * 28*0Sstevel@tonic-gate * See also: 29*0Sstevel@tonic-gate * RFC 2516, A Method for Transmitting PPP Over Ethernet (PPPoE) 30*0Sstevel@tonic-gate */ 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifndef _NETINET_PPPOE_H 33*0Sstevel@tonic-gate #define _NETINET_PPPOE_H 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <sys/types.h> 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #ifdef __cplusplus 40*0Sstevel@tonic-gate extern "C" { 41*0Sstevel@tonic-gate #endif 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate /* 44*0Sstevel@tonic-gate * Protocol description and well-known constants used by Informational 45*0Sstevel@tonic-gate * RFC 2516, "A Method for Transmitting PPP Over Ethernet (PPPoE)." 46*0Sstevel@tonic-gate * 47*0Sstevel@tonic-gate * Caution: Note that, contrary to standard practice, length counts 48*0Sstevel@tonic-gate * used in PPPoE do not include the applicable header length. 49*0Sstevel@tonic-gate */ 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate /* Aligned PPPoE packet header; both discovery and session stages */ 52*0Sstevel@tonic-gate typedef struct poep_s { 53*0Sstevel@tonic-gate uint8_t poep_version_type; /* Use POE_VERSION */ 54*0Sstevel@tonic-gate uint8_t poep_code; /* POECODE_* below */ 55*0Sstevel@tonic-gate uint16_t poep_session_id; /* POESESS_* below */ 56*0Sstevel@tonic-gate uint16_t poep_length; /* NOT including this header */ 57*0Sstevel@tonic-gate } poep_t; 58*0Sstevel@tonic-gate #define POE_HDR_ALIGN (sizeof (ushort_t)) 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate #define PPPOE_MSGMAX 1500 /* Maximum possible message length */ 61*0Sstevel@tonic-gate #define PPPOE_MTU 1492 /* Maximum PPP MTU/MRU with PPPoE */ 62*0Sstevel@tonic-gate #define PPPOE_MAXPADI 1484 /* Max from RFC 2516 */ 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate #define POE_VERSION 0x11 /* RFC 2516 version/type fields */ 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate /* poep_t.poep_code numbers from RFC 2516 */ 67*0Sstevel@tonic-gate #define POECODE_DATA 0x00 /* Data packet (uses other Ethertype) */ 68*0Sstevel@tonic-gate #define POECODE_PADO 0x07 /* Active Discovery Offer */ 69*0Sstevel@tonic-gate #define POECODE_PADI 0x09 /* Active Discovery Initiation (bcast) */ 70*0Sstevel@tonic-gate #define POECODE_PADR 0x19 /* Active Discovery Request */ 71*0Sstevel@tonic-gate #define POECODE_PADS 0x65 /* Active Discovery Session-confirmation */ 72*0Sstevel@tonic-gate #define POECODE_PADT 0xA7 /* Active Discovery Terminate */ 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate /* poep_t.poep_code numbers from draft-carrel-info-pppoe-ext. */ 75*0Sstevel@tonic-gate #define POECODE_PADM 0xD3 /* Active Discovery Message */ 76*0Sstevel@tonic-gate #define POECODE_PADN 0xD4 /* Active Discovery Network */ 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate /* Special values for poep_t.poep_session_id */ 79*0Sstevel@tonic-gate #define POESESS_NONE 0x0000 /* PADI, PADO, and PADR only */ 80*0Sstevel@tonic-gate #define POESESS_ALL 0xFFFF /* For multicast data */ 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* 83*0Sstevel@tonic-gate * Tag parsing macros (unaligned) for discovery stage packets. 84*0Sstevel@tonic-gate * These assume that the pointer to the data is a uint8_t *. 85*0Sstevel@tonic-gate */ 86*0Sstevel@tonic-gate #define POET_GET_TYPE(x) (((x)[0]<<8) | (x)[1]) 87*0Sstevel@tonic-gate #define POET_SET_TYPE(x, t) (void)((x)[0] = (t)>>8, (x)[1] = (t)&0xFF) 88*0Sstevel@tonic-gate #define POET_GET_LENG(x) (((x)[2]<<8) | (x)[3]) 89*0Sstevel@tonic-gate #define POET_SET_LENG(x, l) (void)((x)[2] = (l)>>8, (x)[3] = (l)&0xFF) 90*0Sstevel@tonic-gate #define POET_HDRLEN 4 91*0Sstevel@tonic-gate #define POET_DATA(x) ((x)+POET_HDRLEN) 92*0Sstevel@tonic-gate #define POET_NEXT(x) (POET_DATA(x) + POET_GET_LENG(x)) 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate /* Tag types for discovery stage packets from RFC 2516. */ 95*0Sstevel@tonic-gate #define POETT_END 0x0000 /* End-Of-List; not required */ 96*0Sstevel@tonic-gate #define POETT_SERVICE 0x0101 /* Service-Name; UTF-8 string follows */ 97*0Sstevel@tonic-gate #define POETT_ACCESS 0x0102 /* AC-Name; UTF-8 */ 98*0Sstevel@tonic-gate #define POETT_UNIQ 0x0103 /* Host-Uniq; arbitrary binary */ 99*0Sstevel@tonic-gate #define POETT_COOKIE 0x0104 /* AC-Cookie; DoS reducer */ 100*0Sstevel@tonic-gate #define POETT_VENDOR 0x0105 /* Vendor-Specific; 0+enterprise+data */ 101*0Sstevel@tonic-gate #define POETT_RELAY 0x0110 /* Relay-Session-Id; opaque data */ 102*0Sstevel@tonic-gate #define POETT_NAMERR 0x0201 /* Service-Name-Error; no data */ 103*0Sstevel@tonic-gate #define POETT_SYSERR 0x0202 /* AC-System-Error; may have UTF-8 */ 104*0Sstevel@tonic-gate #define POETT_GENERR 0x0203 /* Generic-Error; may have UTF-8 */ 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate /* Tag types from draft-carrel-info-pppoe-ext. */ 107*0Sstevel@tonic-gate #define POETT_MULTI 0x0106 /* Multicast-Capable; one byte version */ 108*0Sstevel@tonic-gate #define POETT_HURL 0x0111 /* Host-URL; UTF-8 for browser */ 109*0Sstevel@tonic-gate #define POETT_MOTM 0x0112 /* Message-Of-The-Minute; UTF-8 for human */ 110*0Sstevel@tonic-gate #define POETT_RTEADD 0x0121 /* IP-Route-Add; single poer_t below */ 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate /* Data byte in POETT_MULTI (Multicast-Capable) tag. */ 113*0Sstevel@tonic-gate #define POET_MULTI_VER 0x00 /* Current version is zero */ 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate /* POETT_RTEADD tag contents */ 116*0Sstevel@tonic-gate typedef struct poer_s { 117*0Sstevel@tonic-gate uint32_t poer_dest_network; 118*0Sstevel@tonic-gate uint32_t poer_subnet_mask; 119*0Sstevel@tonic-gate uint32_t poer_gateway; 120*0Sstevel@tonic-gate uint32_t poer_metric; 121*0Sstevel@tonic-gate } poer_t; 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate #ifdef __cplusplus 124*0Sstevel@tonic-gate } 125*0Sstevel@tonic-gate #endif 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate #endif /* _NETINET_PPPOE_H */ 128