diff options
Diffstat (limited to 'sys/i386/include/i4b_isppp.h')
| -rw-r--r-- | sys/i386/include/i4b_isppp.h | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/sys/i386/include/i4b_isppp.h b/sys/i386/include/i4b_isppp.h new file mode 100644 index 0000000..9d1b59e --- /dev/null +++ b/sys/i386/include/i4b_isppp.h @@ -0,0 +1,253 @@ +/* + * Defines for synchronous PPP/Cisco link level subroutines. + * + * Copyright (C) 1994 Cronyx Ltd. + * Author: Serge Vakulenko, <vak@cronyx.ru> + * + * 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 1.5 2000/07/18 15:05:37 hm Exp $ + * + * $FreeBSD$ + */ + +#ifndef _I4B_ISPPP_H_ +#define _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 <sys/mbuf.h> +#endif +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <net/slcompress.h> +#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 ((caddr_t)(('S' << 24) + (1 << 16) + sizeof(struct sppp))) +#define SPPPIOSDEFS ((caddr_t)(('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 /* _I4B_ISPPP_H_ */ |
