/* * Defines for synchronous PPP/Cisco link level subroutines. * * Copyright (C) 1994 Cronyx Ltd. * Author: Serge Vakulenko, * * Heavily revamped to conform to RFC 1661. * Copyright (C) 1997, Joerg Wunsch. * * This software is distributed with NO WARRANTIES, not even the implied * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * Authors grant any other persons or organizations permission to use * or modify this software as long as this message is kept with the software, * all derivative works or modified versions. * * From: Version 2.0, Fri Oct 6 20:39:21 MSK 1995 * * From: if_sppp.h,v 1.14 1999/03/30 13:28:26 phk Exp * * $Id: i4b_isppp.h,v 1.3 2007/03/04 06:03:30 christos Exp $ */ #ifndef _NETISDN_I4B_ISPPP_H_ #define _NETISDN_I4B_ISPPP_H_ #define SPPP_VJ /* use VJ compression */ #ifdef SPPP_VJ #if !(defined (KERNEL) || defined (_KERNEL)) #ifdef __FreeBSD__ #if 0 /* * this is needed on FreeBSD to make /usr/src/usr.bin/kdump and * /usr/src/usr.bin/truss compile. */ #include #endif #include #include #include #endif #endif #endif #define IDX_LCP 0 /* idx into state table */ struct slcp { u_long opts; /* LCP options to send (bitfield) */ u_long magic; /* local magic number */ u_long mru; /* our max receive unit */ u_long their_mru; /* their max receive unit */ u_long protos; /* bitmask of protos that are started */ u_char echoid; /* id of last keepalive echo request */ /* restart max values, see RFC 1661 */ int timeout; int max_terminate; int max_configure; int max_failure; }; #define IDX_IPCP 1 /* idx into state table */ struct sipcp { u_long opts; /* IPCP options to send (bitfield) */ u_int flags; #define IPCP_HISADDR_SEEN 1 /* have seen his address already */ #define IPCP_MYADDR_DYN 2 /* my address is dynamically assigned */ #define IPCP_MYADDR_SEEN 4 /* have seen his address already */ #define IPCP_VJ 8 /* We can use VJ compression */ int max_state; /* Max-Slot-Id */ int compress_cid; /* Comp-Slot-Id */ }; #define AUTHNAMELEN 32 #define AUTHKEYLEN 16 struct sauth { u_short proto; /* authentication protocol to use */ u_short flags; #define AUTHFLAG_NOCALLOUT 1 /* do not require authentication on */ /* callouts */ #define AUTHFLAG_NORECHALLENGE 2 /* do not re-challenge CHAP */ u_char name[AUTHNAMELEN]; /* system identification name */ u_char secret[AUTHKEYLEN]; /* secret password */ u_char challenge[AUTHKEYLEN]; /* random challenge */ }; #define IDX_PAP 2 #define IDX_CHAP 3 #define IDX_COUNT (IDX_CHAP + 1) /* bump this when adding cp's! */ /* * Don't change the order of this. Ordering the phases this way allows * for a comparision of ``pp_phase >= PHASE_AUTHENTICATE'' in order to * know whether LCP is up. */ enum ppp_phase { PHASE_DEAD, PHASE_ESTABLISH, PHASE_TERMINATE, PHASE_AUTHENTICATE, PHASE_NETWORK }; struct sppp { /* NB: pp_if _must_ be first */ struct ifnet pp_if; /* network interface data */ struct ifqueue pp_fastq; /* fast output queue */ struct ifqueue pp_cpq; /* PPP control protocol queue */ struct sppp *pp_next; /* next interface in keepalive list */ u_int pp_mode; /* major protocol modes (cisco/ppp/...) */ u_int pp_flags; /* sub modes */ u_short pp_alivecnt; /* keepalive packets counter */ u_short pp_loopcnt; /* loopback detection counter */ u_long pp_seq; /* local sequence number */ u_long pp_rseq; /* remote sequence number */ time_t pp_last_sent; time_t pp_last_recv; enum ppp_phase pp_phase; /* phase we're currently in */ int state[IDX_COUNT]; /* state machine */ u_char confid[IDX_COUNT]; /* id of last configuration request */ int rst_counter[IDX_COUNT]; /* restart counter */ int fail_counter[IDX_COUNT]; /* negotiation failure counter */ #if defined(__FreeBSD__) && __FreeBSD__ >= 3 struct callout_handle ch[IDX_COUNT]; /* per-proto and if callouts */ struct callout_handle pap_my_to_ch; /* PAP needs one more... */ #endif struct slcp lcp; /* LCP params */ struct sipcp ipcp; /* IPCP params */ struct sauth myauth; /* auth params, i'm peer */ struct sauth hisauth; /* auth params, i'm authenticator */ #ifdef SPPP_VJ int enable_vj; /* enable VJ negotiation */ struct slcompress pp_comp; /* for VJ compression */ #endif /* * These functions are filled in by sppp_attach(), and are * expected to be used by the lower layer (hardware) drivers * in order to communicate the (un)availability of the * communication link. Lower layer drivers that are always * ready to communicate (like hardware HDLC) can shortcut * pp_up from pp_tls, and pp_down from pp_tlf. */ void (*pp_up)(struct sppp *sp); void (*pp_down)(struct sppp *sp); /* * These functions need to be filled in by the lower layer * (hardware) drivers if they request notification from the * PPP layer whether the link is actually required. They * correspond to the tls and tlf actions. */ void (*pp_tls)(struct sppp *sp); void (*pp_tlf)(struct sppp *sp); /* * These (optional) functions may be filled by the hardware * driver if any notification of established connections * (currently: IPCP up) is desired (pp_con) or any internal * state change of the interface state machine should be * signaled for monitoring purposes (pp_chg). */ void (*pp_con)(struct sppp *sp); void (*pp_chg)(struct sppp *sp, int new_state); /* These two fields are for use by the lower layer */ void *pp_lowerp; int pp_loweri; }; #define PP_KEEPALIVE 0x01 /* use keepalive protocol */ #define PP_CALLIN 0x08 /* we are being called */ #define PP_NEEDAUTH 0x10 /* remote requested authentication */ #define PP_MTU 1500 /* default/minimal MRU */ #define PP_MAX_MRU 2048 /* maximal MRU we want to negotiate */ /* * Definitions to pass struct sppp data down into the kernel using the * SIOC[SG]IFGENERIC ioctl interface. * * In order to use this, create a struct spppreq, fill in the cmd * field with SPPPIOGDEFS, and put the address of this structure into * the ifr_data portion of a struct ifreq. Pass this struct to a * SIOCGIFGENERIC ioctl. Then replace the cmd field by SPPPIOCDEFS, * modify the defs field as desired, and pass the struct ifreq now * to a SIOCSIFGENERIC ioctl. */ #define SPPPIOGDEFS ((void *)(('S' << 24) + (1 << 16) + sizeof(struct sppp))) #define SPPPIOSDEFS ((void *)(('S' << 24) + (2 << 16) + sizeof(struct sppp))) struct spppreq { u_long cmd; struct sppp defs; }; #ifndef SIOCSIFGENERIC #define SIOCSIFGENERIC _IOW('i', 57, struct ifreq) /* generic IF set op */ #endif #ifndef SIOCGIFGENERIC #define SIOCGIFGENERIC _IOWR('i', 58, struct ifreq) /* generic IF get op */ #endif #if defined(KERNEL) || defined(_KERNEL) #ifndef USE_ISPPP void sppp_attach (struct ifnet *ifp); void sppp_detach (struct ifnet *ifp); void sppp_input (struct ifnet *ifp, struct mbuf *m); #if defined(__FreeBSD_version) && __FreeBSD_version >= 300003 int sppp_ioctl (struct ifnet *ifp, u_long cmd, void *data); #else #ifdef __FreeBSD__ int sppp_ioctl (struct ifnet *ifp, int cmd, void *data); #else int sppp_ioctl (struct ifnet *ifp, u_long cmd, void *data); #endif #endif struct mbuf *sppp_dequeue (struct ifnet *ifp); struct mbuf *sppp_pick(struct ifnet *ifp); int sppp_isempty (struct ifnet *ifp); void sppp_flush (struct ifnet *ifp); #else /* USE_ISPPP */ void isppp_attach (struct ifnet *ifp); void isppp_detach (struct ifnet *ifp); void isppp_input (struct ifnet *ifp, struct mbuf *m); #if defined(__FreeBSD_version) && __FreeBSD_version >= 300003 int isppp_ioctl (struct ifnet *ifp, u_long cmd, void *data); #else #ifdef __FreeBSD__ int isppp_ioctl (struct ifnet *ifp, int cmd, void *data); #else int isppp_ioctl (struct ifnet *ifp, u_long cmd, void *data); #endif #endif struct mbuf *isppp_dequeue (struct ifnet *ifp); struct mbuf *isppp_pick(struct ifnet *ifp); int isppp_isempty (struct ifnet *ifp); void isppp_flush (struct ifnet *ifp); #endif /* USE_ISPPP */ #endif /* KERNEL */ #endif /* !_NETISDN_I4B_ISPPP_H_ */