mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
216 lines
6.3 KiB
C
216 lines
6.3 KiB
C
/*
|
|
*
|
|
* ===================================
|
|
* 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.
|
|
*
|
|
* @(#) $FreeBSD$
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* IP Over ATM Support
|
|
* -------------------
|
|
*
|
|
* Protocol control blocks
|
|
*
|
|
*/
|
|
|
|
#ifndef _IPATM_IPATM_VAR_H
|
|
#define _IPATM_IPATM_VAR_H
|
|
|
|
#ifdef _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 /* _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 _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 /* _KERNEL */
|
|
|
|
#endif /* _IPATM_IPATM_VAR_H */
|