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Diffstat (limited to 'sys/netatm/uni/uniip_var.h')
| -rw-r--r-- | sys/netatm/uni/uniip_var.h | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/sys/netatm/uni/uniip_var.h b/sys/netatm/uni/uniip_var.h new file mode 100644 index 0000000..ea1eb8c --- /dev/null +++ b/sys/netatm/uni/uniip_var.h @@ -0,0 +1,318 @@ +/* + * + * =================================== + * HARP | Host ATM Research Platform + * =================================== + * + * + * This Host ATM Research Platform ("HARP") file (the "Software") is + * made available by Network Computing Services, Inc. ("NetworkCS") + * "AS IS". NetworkCS does not provide maintenance, improvements or + * support of any kind. + * + * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED, + * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE + * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE. + * In no event shall NetworkCS be responsible for any damages, including + * but not limited to consequential damages, arising from or relating to + * any use of the Software or related support. + * + * Copyright 1994-1998 Network Computing Services, Inc. + * + * Copies of this Software may be made, however, the above copyright + * notice must be reproduced on all copies. + * + * @(#) $Id: uniip_var.h,v 1.9 1998/07/13 00:00:39 mks Exp $ + * + */ + +/* + * ATM Forum UNI Support + * --------------------- + * + * IP interface control blocks + * + */ + +#ifndef _UNI_UNIIP_VAR_H +#define _UNI_UNIIP_VAR_H + +#ifdef ATM_KERNEL +/* + * UNI IP network interface structure. There will be one such structure for + * each IP network interface attached via a UNI signalling instance. + */ +struct uniip { + struct uniip *uip_next; /* Next attached IP interface */ + struct ip_nif *uip_ipnif; /* IP network interface */ + u_char uip_flags; /* Interface flags (see below) */ + + /* ATMARP (RFC1577) */ + u_char uip_arpstate; /* ARP interface state (see below) */ + struct arpmap uip_arpsvrmap; /* ATMARP server map info */ + struct ipvcc *uip_arpsvrvcc; /* ATMARP server's VCC */ + int uip_nprefix; /* Count of IP prefixes (server only) */ + struct uniarp_prf *uip_prefix; /* Array of IP prefixes (server only) */ + struct atm_time uip_arptime; /* ARP timer controls */ +}; +#define uip_arpsvrip uip_arpsvrmap.am_dstip +#define uip_arpsvratm uip_arpsvrmap.am_dstatm +#define uip_arpsvrsub uip_arpsvrmap.am_dstatmsub +#endif /* ATM_KERNEL */ + +/* + * UNI Interface Flags + */ +#define UIF_IFADDR 0x01 /* Interface address is set */ + +/* + * UNI ARP Interface States + */ +#define UIAS_NOTCONF 1 /* Not configured */ +#define UIAS_SERVER_ACTIVE 2 /* Server - active */ +#define UIAS_CLIENT_PADDR 3 /* Client - pending ATM address */ +#define UIAS_CLIENT_POPEN 4 /* Client - pending server vcc open */ +#define UIAS_CLIENT_REGISTER 5 /* Client - registering with server */ +#define UIAS_CLIENT_ACTIVE 6 /* Client - active */ + + +#ifdef ATM_KERNEL +/* + * Structure for allowable IP prefixes for ATMARP server registration + */ +struct uniarp_prf { + struct in_addr upf_addr; /* Prefix address */ + struct in_addr upf_mask; /* Prefix mask */ +}; + + +/* + * UNI ARP protocol constants + */ +#define UNIARP_AGING (60 * ATM_HZ) /* Aging timer tick */ +#define UNIARP_HASHSIZ 19 /* Hash table size */ +#define UNIARP_REGIS_REFRESH (15 * 60 * ATM_HZ) + /* Client registration refresh timer */ +#define UNIARP_REGIS_RETRY (60 * ATM_HZ) + /* Client registration retry timer */ +#define UNIARP_ARP_RETRY (3 * ATM_HZ) /* ARP command retry timer */ +#define UNIARP_CLIENT_AGE 12 /* Client validation timeout */ +#define UNIARP_CLIENT_RETRY 3 /* Client validation retrys */ +#define UNIARP_SERVER_AGE 17 /* Server validation timeout */ +#define UNIARP_SERVER_RETRY 3 /* Server validation retrys */ +#define UNIARP_RETRY_AGE 1 /* Retry timeout */ +#define UNIARP_REVALID_AGE 2 /* Revalidation timeout */ +#define UNIARP_MIN_REFRESH 10 /* Minimum entry refresh time */ + + +/* + * Structure for ATMARP mappings. Each of these structures will contain + * IP address to ATM hardware address mappings. There will be one such + * structure for each IP address and for each unresolved ATM address + * currently in use. + */ +struct uniarp { + struct arpmap ua_arpmap; /* Common entry header */ + struct uniip *ua_intf; /* Interface where we learned answer */ + struct uniarp *ua_next; /* Hash chain link */ + u_char ua_flags; /* Flags (see below) */ + u_char ua_origin; /* Source of mapping (see below) */ + u_char ua_retry; /* Retry counter */ + u_char ua_aging; /* Aging timeout value (minutes) */ + struct ipvcc *ua_ivp; /* Head of IP VCC chain */ + struct atm_time ua_time; /* Timer controls */ +}; +#define ua_dstip ua_arpmap.am_dstip +#define ua_dstatm ua_arpmap.am_dstatm +#define ua_dstatmsub ua_arpmap.am_dstatmsub +#endif /* ATM_KERNEL */ + +/* + * UNIARP Entry Flags + */ +#define UAF_VALID ARPF_VALID /* Entry is valid */ +#define UAF_REFRESH ARPF_REFRESH /* Entry has been refreshed */ +#define UAF_LOCKED 0x04 /* Entry is locked */ +#define UAF_USED 0x08 /* Entry has been used recently */ + +/* + * UNIARP Entry Origin + * + * The origin values are ranked according to the source precedence. + * Larger values are more preferred. + */ +#define UAO_LOCAL 100 /* Local address */ +#define UAO_PERM ARP_ORIG_PERM /* Permanently installed */ +#define UAO_REGISTER 40 /* Learned via client registration */ +#define UAO_SCSP 30 /* Learned via SCSP */ +#define UAO_LOOKUP 20 /* Learned via server lookup */ +#define UAO_PEER_RSP 15 /* Learned from peer - inarp rsp */ +#define UAO_PEER_REQ 10 /* Learned from peer - inarp req */ + +/* + * ATMARP/InATMARP Packet Format + */ +struct atmarp_hdr { + u_short ah_hrd; /* Hardware type (see below) */ + u_short ah_pro; /* Protocol type */ + u_char ah_shtl; /* Type/len of source ATM address */ + u_char ah_sstl; /* Type/len of source ATM subaddress */ + u_short ah_op; /* Operation code (see below) */ + u_char ah_spln; /* Length of source protocol address */ + u_char ah_thtl; /* Type/len of target ATM address */ + u_char ah_tstl; /* Type/len of target ATM subaddress */ + u_char ah_tpln; /* Length of target protocol address */ +#ifdef notdef + /* Variable size fields */ + u_char ah_sha[]; /* Source ATM address */ + u_char ah_ssa[]; /* Source ATM subaddress */ + u_char ah_spa[]; /* Source protocol address */ + u_char ah_tha[]; /* Target ATM subaddress */ + u_char ah_tsa[]; /* Target ATM address */ + u_char ah_tpa[]; /* Target protocol subaddress */ +#endif +}; + +/* + * Hardware types + */ +#define ARP_ATMFORUM 19 + +/* + * Operation types + */ +#define ARP_REQUEST 1 /* ATMARP request */ +#define ARP_REPLY 2 /* ATMARP response */ +#define INARP_REQUEST 8 /* InATMARP request */ +#define INARP_REPLY 9 /* InATMARP response */ +#define ARP_NAK 10 /* ATMARP negative ack */ + +/* + * Type/length fields + */ +#define ARP_TL_TMASK 0x40 /* Type mask */ +#define ARP_TL_NSAPA 0x00 /* Type = ATM Forum NSAPA */ +#define ARP_TL_E164 0x40 /* Type = E.164 */ +#define ARP_TL_LMASK 0x3f /* Length mask */ + + +#ifdef ATM_KERNEL +/* + * Timer macros + */ +#define UNIIP_ARP_TIMER(s, t) atm_timeout(&(s)->uip_arptime, (t), uniarp_iftimeout) +#define UNIIP_ARP_CANCEL(s) atm_untimeout(&(s)->uip_arptime) +#define UNIARP_TIMER(s, t) atm_timeout(&(s)->ua_time, (t), uniarp_timeout) +#define UNIARP_CANCEL(s) atm_untimeout(&(s)->ua_time) + + +/* + * Macros for manipulating UNIARP tables and entries + */ +#define UNIARP_HASH(ip) ((u_long)(ip) % UNIARP_HASHSIZ) + +#define UNIARP_ADD(ua) \ +{ \ + struct uniarp **h; \ + h = &uniarp_arptab[UNIARP_HASH((ua)->ua_dstip.s_addr)]; \ + LINK2TAIL((ua), struct uniarp, *h, ua_next); \ +} + +#define UNIARP_DELETE(ua) \ +{ \ + struct uniarp **h; \ + h = &uniarp_arptab[UNIARP_HASH((ua)->ua_dstip.s_addr)]; \ + UNLINK((ua), struct uniarp, *h, ua_next); \ +} + +#define UNIARP_LOOKUP(ip, ua) \ +{ \ + for ((ua) = uniarp_arptab[UNIARP_HASH(ip)]; \ + (ua); (ua) = (ua)->ua_next) { \ + if ((ua)->ua_dstip.s_addr == (ip)) \ + break; \ + } \ +} + + +/* + * Global UNIARP Statistics + */ +struct uniarp_stat { + u_long uas_rcvdrop; /* Input packets dropped */ +}; + + +/* + * External variables + */ +extern struct uniip *uniip_head; +extern struct ip_serv uniip_ipserv; +extern struct uniarp *uniarp_arptab[]; +extern struct uniarp *uniarp_nomaptab; +extern struct uniarp *uniarp_pvctab; +extern struct sp_info uniarp_pool; +extern struct atm_time uniarp_timer; +extern int uniarp_print; +extern Atm_endpoint uniarp_endpt; +extern struct uniarp_stat uniarp_stat; + + +/* + * Global function declarations + */ + /* uniarp.c */ +int uniarp_start __P((void)); +void uniarp_stop __P((void)); +void uniarp_ipact __P((struct uniip *)); +void uniarp_ipdact __P((struct uniip *)); +void uniarp_ifaddr __P((struct siginst *)); +void uniarp_iftimeout __P((struct atm_time *)); +int uniarp_ioctl __P((int, caddr_t, caddr_t)); +caddr_t uniarp_getname __P((void *)); + + /* uniarp_cache.c */ +int uniarp_cache_svc __P((struct uniip *, struct in_addr *, + Atm_addr *, Atm_addr *, u_int)); +void uniarp_cache_pvc __P((struct ipvcc *, struct in_addr *, + Atm_addr *, Atm_addr *)); +int uniarp_validate_ip __P((struct uniip *, struct in_addr *, + u_int)); + + /* uniarp_input.c */ +void uniarp_cpcs_data __P((void *, KBuffer *)); +void uniarp_pdu_print __P((struct ipvcc *, KBuffer *, char *)); + + /* uniarp_output.c */ +int uniarp_arp_req __P((struct uniip *, struct in_addr *)); +int uniarp_arp_rsp __P((struct uniip *, struct arpmap *, + struct in_addr *, Atm_addr *, + Atm_addr *, struct ipvcc *)); +int uniarp_arp_nak __P((struct uniip *, KBuffer *, struct ipvcc *)); +int uniarp_inarp_req __P((struct uniip *, Atm_addr *, + Atm_addr *, struct ipvcc *)); +int uniarp_inarp_rsp __P((struct uniip *, struct in_addr *, + Atm_addr *, Atm_addr *, struct ipvcc *)); + + /* uniarp_timer.c */ +void uniarp_timeout __P((struct atm_time *)); +void uniarp_aging __P((struct atm_time *)); + + /* uniarp_vcm.c */ +int uniarp_pvcopen __P((struct ipvcc *)); +int uniarp_svcout __P((struct ipvcc *, struct in_addr *)); +int uniarp_svcin __P((struct ipvcc *, Atm_addr *, Atm_addr *)); +int uniarp_svcactive __P((struct ipvcc *)); +void uniarp_vcclose __P((struct ipvcc *)); +void uniarp_connected __P((void *)); +void uniarp_cleared __P((void *, struct t_atm_cause *)); + + /* uniip.c */ +int uniip_start __P((void)); +int uniip_stop __P((void)); + + +#endif /* ATM_KERNEL */ + +#endif /* _UNI_UNIIP_VAR_H */ |
