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Diffstat (limited to 'sys/netatm/ipatm/ipatm_var.h')
| -rw-r--r-- | sys/netatm/ipatm/ipatm_var.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/sys/netatm/ipatm/ipatm_var.h b/sys/netatm/ipatm/ipatm_var.h new file mode 100644 index 000000000000..6048284b4d75 --- /dev/null +++ b/sys/netatm/ipatm/ipatm_var.h @@ -0,0 +1,215 @@ +/* + * + * =================================== + * 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: ipatm_var.h,v 1.8 1998/03/24 20:56:57 mks Exp $ + * + */ + +/* + * IP Over ATM Support + * ------------------- + * + * Protocol control blocks + * + */ + +#ifndef _IPATM_IPATM_VAR_H +#define _IPATM_IPATM_VAR_H + +#ifdef ATM_KERNEL +/* + * Structure containing information for each VCC, both SVC and PVC, which + * supports IP traffic. + */ +struct ipvcc { + Qelem_t iv_elem; /* ip_nif queueing links */ + u_short iv_flags; /* VCC flags (see below) */ + u_char iv_state; /* VCC state (see below) */ + Atm_connection *iv_conn; /* Connection manager token */ + struct in_addr iv_dst; /* Peer's IP address */ + struct ip_nif *iv_ipnif; /* IP network interface */ + struct atm_time iv_time; /* Timer controls */ + short iv_idle; /* VCC idle timer */ + u_char iv_parmx; /* Index into provider's vcc params */ + KBuffer *iv_queue; /* Packet waiting for VCC */ + struct arpmap *iv_arpent; /* ARP entry for VCC */ + struct ipvcc *iv_arpnext; /* ARP link field */ + Atm_connection *iv_arpconn; /* ARP connection manager token */ +}; +#define iv_forw iv_elem.q_forw +#define iv_back iv_elem.q_back +#endif /* ATM_KERNEL */ + +/* + * VCC Flags + */ +#define IVF_PVC 0x0001 /* PVC */ +#define IVF_SVC 0x0002 /* SVC */ +#define IVF_LLC 0x0004 /* VCC uses LLC/SNAP encapsulation */ +#define IVF_MAPOK 0x0008 /* VCC ARP mapping is valid */ +#define IVF_NOIDLE 0x0010 /* Do not idle-timeout this VCC */ + +/* + * VCC States + */ +#define IPVCC_FREE 0 /* No VCC associated with entry */ +#define IPVCC_PMAP 1 /* SVC waiting for ARP mapping */ +#define IPVCC_POPEN 2 /* Pending SVC open completion */ +#define IPVCC_PACCEPT 3 /* Pending SVC accept completion */ +#define IPVCC_ACTPENT 4 /* PVC open - waiting for ARP entry */ +#define IPVCC_ACTIVE 5 /* VCC open - available */ +#define IPVCC_CLOSED 6 /* VCC has been closed */ + + +#ifdef ATM_KERNEL +/* + * Structure containing IP-specific information for each ATM network + * interface in the system. + */ +struct ip_nif { + struct ip_nif *inf_next; /* Next on interface chain */ + struct atm_nif *inf_nif; /* ATM network interface */ + u_short inf_state; /* Interface state (see below) */ + struct in_ifaddr *inf_addr; /* Interface's IP address */ + Queue_t inf_vcq; /* VCC connections queue */ + struct ip_serv *inf_serv; /* Interface service provider */ + +/* For use by IP interface service provider (ie signalling manager) */ + caddr_t inf_isintf; /* Interface control block */ + +/* IP/ATM provided interface services */ + void (*inf_arpnotify)/* ARP event notification */ + __P((struct ipvcc *, int)); + int (*inf_ipinput) /* IP packet input */ + __P((struct ip_nif *, KBuffer *)); + int (*inf_createsvc)/* Create an IP SVC */ + __P((struct ifnet *, u_short, caddr_t, + struct ipvcc **)); +}; + +/* + * Network Interface States + */ +#define IPNIF_ADDR 1 /* Waiting for i/f address */ +#define IPNIF_SIGMGR 2 /* Waiting for sigmgr attach */ +#define IPNIF_ACTIVE 3 /* Active */ + + +/* + * Global IP/ATM Statistics + */ +struct ipatm_stat { + u_long ias_rcvstate; /* Packets received, bad vcc state */ + u_long ias_rcvnobuf; /* Packets received, no buf avail */ +}; + + +/* + * Structure to pass parameters for ipatm_openpvc() + */ +struct ipatmpvc { + struct ip_nif *ipp_ipnif; /* PVC's IP network interface */ + u_short ipp_vpi; /* VPI value */ + u_short ipp_vci; /* VCI value */ + Aal_t ipp_aal; /* AAL type */ + Encaps_t ipp_encaps; /* VCC encapsulation */ + struct sockaddr_in ipp_dst; /* Destination's IP address */ +}; + + +/* + * Timer macros + */ +#define IPVCC_TIMER(s, t) atm_timeout(&(s)->iv_time, (t), ipatm_timeout) +#define IPVCC_CANCEL(s) atm_untimeout(&(s)->iv_time) + +/* + * Misc useful macros + */ +#define SATOSIN(sa) ((struct sockaddr_in *)(sa)) + + +/* + * Global function declarations + */ + /* ipatm_event.c */ +void ipatm_timeout __P((struct atm_time *)); +void ipatm_connected __P((void *)); +void ipatm_cleared __P((void *, struct t_atm_cause *)); +void ipatm_arpnotify __P((struct ipvcc *, int)); +void ipatm_itimeout __P((struct atm_time *)); + + /* ipatm_if.c */ +int ipatm_nifstat __P((int, struct atm_nif *, int)); + + /* ipatm_input.c */ +void ipatm_cpcs_data __P((void *, KBuffer *)); +int ipatm_ipinput __P((struct ip_nif *, KBuffer *)); + + /* ipatm_load.c */ + + /* ipatm_output.c */ +int ipatm_ifoutput __P((struct ifnet *, KBuffer *, + struct sockaddr *)); + + /* ipatm_usrreq.c */ +int ipatm_ioctl __P((int, caddr_t, caddr_t)); +caddr_t ipatm_getname __P((void *)); + + /* ipatm_vcm.c */ +int ipatm_openpvc __P((struct ipatmpvc *, struct ipvcc **)); +int ipatm_createsvc __P((struct ifnet *, u_short, caddr_t, + struct ipvcc **)); +int ipatm_opensvc __P((struct ipvcc *)); +int ipatm_retrysvc __P((struct ipvcc *)); +void ipatm_activate __P((struct ipvcc *)); +int ipatm_incoming __P((void *, Atm_connection *, Atm_attributes *, + void **)); +int ipatm_closevc __P((struct ipvcc *, int)); +int ipatm_chknif __P((struct in_addr, struct ip_nif *)); +struct ipvcc *ipatm_iptovc __P((struct sockaddr_in *, struct atm_nif *)); + + +/* + * External variables + */ +extern int ipatm_vccnt; +extern int ipatm_vcidle; +extern int ipatm_print; +extern u_long last_map_ipdst; +extern struct ipvcc *last_map_ipvcc; +extern struct ip_nif *ipatm_nif_head; +extern struct sp_info ipatm_vcpool; +extern struct sp_info ipatm_nifpool; +extern struct ipatm_stat ipatm_stat; +extern struct atm_time ipatm_itimer; +extern Atm_endpoint ipatm_endpt; +extern Atm_attributes ipatm_aal5llc; +extern Atm_attributes ipatm_aal5null; +extern Atm_attributes ipatm_aal4null; + +#endif /* ATM_KERNEL */ + +#endif /* _IPATM_IPATM_VAR_H */ |