freebsd-dev/sys/netatm/atm_if.h
1999-08-28 01:08:13 +00:00

393 lines
11 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.
*
* @(#) $FreeBSD$
*
*/
/*
* Core ATM Services
* -----------------
*
* ATM Physical and Network Interface definitions
*
*/
#ifndef _NETATM_ATM_IF_H
#define _NETATM_ATM_IF_H
/*
* Handy constants
*/
#define ATM_NIF_MTU 9180 /* Default network interface MTU */
#define ATM_PCR_TAXI100 227273 /* Peak Cell Rate for 100 Mbs TAXI */
#define ATM_PCR_TAXI140 318181 /* Peak Cell Rate for 140 Mbs TAXI */
#define ATM_PCR_OC3C 353207 /* Peak Cell Rate for OC3c */
#define ATM_PCR_OC12C 1416905 /* Peak Cell Rate for OC12c */
/*
* Media Access Control (MAC) address
*/
struct mac_addr {
u_char ma_data[6]; /* MAC address */
};
typedef struct mac_addr Mac_addr;
/*
* Adapter vendor identifiers
*/
enum atm_vendor {
VENDOR_UNKNOWN, /* Unknown vendor */
VENDOR_FORE, /* FORE Systems, Inc. */
VENDOR_ENI /* Efficient Networks, Inc. */
};
typedef enum atm_vendor Atm_vendor;
/*
* Adapter vendor interface identifiers
*/
enum atm_vendapi {
VENDAPI_UNKNOWN, /* Unknown interface */
VENDAPI_FORE_1, /* FORE - 200 Series */
VENDAPI_ENI_1 /* ENI - Midway */
};
typedef enum atm_vendapi Atm_vendapi;
/*
* Adapter device model identifiers
*/
enum atm_device {
DEV_UNKNOWN, /* Unknown device */
DEV_FORE_SBA200E, /* FORE SBA-200E */
DEV_FORE_SBA200, /* FORE SBA-200 */
DEV_FORE_PCA200E, /* FORE PCA-200E */
DEV_ENI_155P /* ENI-155p */
};
typedef enum atm_device Atm_device;
/*
* Adapter media identifiers
*/
enum atm_media {
MEDIA_UNKNOWN, /* Unknown media type */
MEDIA_TAXI_100, /* TAXI - 100 Mbps */
MEDIA_TAXI_140, /* TAXI - 140 Mbps */
MEDIA_OC3C, /* OC-3C */
MEDIA_OC12C, /* OC-12C */
MEDIA_UTP155 /* UTP-155 */
};
typedef enum atm_media Atm_media;
/*
* Bus type identifiers
*/
enum atm_bus {
BUS_UNKNOWN, /* Unknown bus type */
BUS_SBUS_B16, /* SBus: 16 byte (4 word) max burst */
BUS_SBUS_B32, /* SBus: 32 byte (8 word) max burst */
BUS_PCI /* PCI */
};
typedef enum atm_bus Atm_bus;
#define VERSION_LEN 16 /* Length of version info string */
/*
* ATM adapter configuration information structure
*/
struct atm_config {
Atm_vendor ac_vendor; /* Vendor */
Atm_vendapi ac_vendapi; /* Vendor interface */
Atm_device ac_device; /* Device model */
Atm_media ac_media; /* Media type */
u_long ac_serial; /* Serial number */
Atm_bus ac_bustype; /* Bus type */
u_long ac_busslot; /* Bus slot info (bus type dependent) */
u_long ac_ram; /* Device ram offset */
u_long ac_ramsize; /* Device ram size */
Mac_addr ac_macaddr; /* MAC address */
char ac_hard_vers[VERSION_LEN]; /* Hardware version */
char ac_firm_vers[VERSION_LEN]; /* Firmware version */
};
typedef struct atm_config Atm_config;
#ifdef ATM_KERNEL
/*
* Common structure used to define each physical ATM device interface.
* This structure will (normally) be embedded at the top of each driver's
* device-specific interface structure.
*/
struct atm_pif {
struct atm_pif *pif_next; /* Next registered atm interface */
char *pif_name; /* Device name */
short pif_unit; /* Device unit number */
u_char pif_flags; /* Interface flags (see below) */
struct sigmgr *pif_sigmgr; /* Signalling Manager for interface */
struct siginst *pif_siginst; /* Signalling protocol instance */
struct stack_defn *pif_services; /* Interface's stack services */
struct mac_addr pif_macaddr; /* Interface's MAC address */
struct atm_nif *pif_nif; /* List of network interfaces */
struct atm_pif *pif_grnext; /* Next atm device in group */
/* Exported functions */
int (*pif_ioctl) /* Interface ioctl handler */
__P((int, caddr_t, caddr_t));
/* Interface statistics */
long pif_ipdus; /* PDUs received from interface */
long pif_opdus; /* PDUs sent to interface */
long pif_ibytes; /* Bytes received from interface */
long pif_obytes; /* Bytes sent to interface */
long pif_ierrors; /* Errors receiving from interface */
long pif_oerrors; /* Errors sending to interface */
long pif_cmderrors; /* Interface command errors */
caddr_t pif_cardstats; /* Card specific statistics */
/* Interface capabilities */
u_short pif_maxvpi; /* Maximum VPI value supported */
u_short pif_maxvci; /* Maximum VCI value supported */
u_int pif_pcr; /* Peak Cell Rate */
};
/*
* Physical interface flags
*/
#define PIF_UP 0x01 /* Interface is up */
#define PIF_LOOPBACK 0x02 /* Loopback local packets */
/*
* Structure defining an ATM network interface. This structure is used as
* the hook between the standard BSD network layer interface mechanism and
* the ATM device layer. There may be one or more network interfaces for
* each physical ATM interface.
*/
struct atm_nif {
struct ifnet nif_if; /* Network interface */
struct atm_pif *nif_pif; /* Our physical interface */
char nif_name[IFNAMSIZ];/* Network interface name */
u_char nif_sel; /* Interface's address selector */
struct atm_nif *nif_pnext; /* Next net interface on phys i/f */
/* Interface statistics (in addition to ifnet stats) */
long nif_ibytes; /* Bytes received from interface */
long nif_obytes; /* Bytes sent to interface */
};
/*
* Common Device VCC Entry
*
* Contains the common information for each VCC which is opened
* through a particular device.
*/
struct cmn_vcc {
struct cmn_vcc *cv_next; /* Next in list */
void *cv_toku; /* Upper layer's token */
void (*cv_upper) /* Upper layer's interface */
__P((int, void *, int, int));
Atm_connvc *cv_connvc; /* Associated connection VCC */
u_char cv_state; /* VCC state (see below) */
u_char cv_flags; /* VCC flags (see below) */
};
typedef struct cmn_vcc Cmn_vcc;
/*
* VCC States
*/
#define CVS_FREE 0 /* Not allocated */
#define CVS_INST 1 /* Instantiated, waiting for INIT */
#define CVS_INITED 2 /* Initialized, waiting for driver */
#define CVS_ACTIVE 3 /* Device activated by driver */
#define CVS_PTERM 4 /* Waiting for TERM */
#define CVS_TERM 5 /* Terminated */
/*
* VCC Flags
*/
#define CVF_RSVD 0x0f /* Reserved for device-specific use */
/*
* Common Device Unit Structure
*
* Contains the common information for a single device (adapter).
*/
struct cmn_unit {
struct atm_pif cu_pif; /* Physical interface */
u_int cu_unit; /* Local unit number */
u_char cu_flags; /* Device flags (see below) */
u_int cu_mtu; /* Interface MTU */
u_int cu_open_vcc; /* Open VCC count */
Cmn_vcc *cu_vcc; /* List of VCC's on interface */
u_int cu_intrpri; /* Highest unit interrupt priority */
int cu_savepri; /* Saved priority for locking device */
struct sp_info *cu_vcc_pool; /* Device VCC pool */
struct sp_info *cu_nif_pool; /* Device NIF pool */
int (*cu_ioctl) /* Interface ioctl handler */
__P((int, caddr_t, caddr_t));
int (*cu_instvcc) /* VCC stack instantion handler */
__P((struct cmn_unit *, Cmn_vcc *));
int (*cu_openvcc) /* Open VCC handler */
__P((struct cmn_unit *, Cmn_vcc *));
int (*cu_closevcc) /* Close VCC handler */
__P((struct cmn_unit *, Cmn_vcc *));
void (*cu_output) /* Data output handler */
__P((struct cmn_unit *, Cmn_vcc *, KBuffer *));
Atm_config cu_config; /* Device configuration data */
};
typedef struct cmn_unit Cmn_unit;
/*
* Device flags
*/
#define CUF_REGISTER 0x01 /* Device is registered */
#define CUF_INITED 0x02 /* Device is initialized */
/*
* Structure used to define a network convergence module and its associated
* entry points. A convergence module is used to provide the interface
* translations necessary between the ATM system and the BSD network layer
* interface mechanism. There will be one network convergence module for
* each protocol address family supporting ATM connections.
*/
struct atm_ncm {
struct atm_ncm *ncm_next; /* Next in registry list */
u_short ncm_family; /* Protocol family */
/* Exported functions */
int (*ncm_ifoutput) /* Interface if_output handler */
__P((struct ifnet *, KBuffer *,
struct sockaddr *));
int (*ncm_stat) /* Network i/f status handler */
__P((int, struct atm_nif *, int));
};
/*
* ncm_stat() commands
*/
#define NCM_ATTACH 1 /* Attaching a new net i/f */
#define NCM_DETACH 2 /* Detaching a current net i/f */
#define NCM_SETADDR 3 /* Net i/f address change */
#define NCM_SIGATTACH 4 /* Attaching a signalling manager */
#define NCM_SIGDETACH 5 /* Detaching a signalling manager */
/*
* atm_dev_alloc() parameters
*/
#define ATM_DEV_NONCACHE 1 /* Allocate non-cacheable memory */
/*
* atm_dev_compress() buffer allocation sizes
*/
#if defined(BSD)
#define ATM_DEV_CMPR_LG MCLBYTES /* Size of large buffers */
#define ATM_DEV_CMPR_SM MLEN /* Size of small buffers */
#endif
/*
* Macros to manage DMA addresses
*/
#if defined(sun4c)
#define DMA_INIT()
#define DMA_GET_ADDR(addr,len,align,flags) ((void *)(addr))
#define DMA_FREE_ADDR(addr,daddr,len,flags)
#define DMA_RELEASE()
#elif defined(sun4m)
#define DMA_INIT()
#define DMA_GET_ADDR(addr,len,align,flags) \
(void *)atm_dma_map((addr),(len),(flags))
#define DMA_FREE_ADDR(addr,daddr,len,flags) \
(void)atm_dma_free((daddr),(flags))
#define DMA_RELEASE()
#elif defined(BSD) && defined(__i386__)
#define DMA_INIT()
#define DMA_GET_ADDR(addr,len,align,flags) ((void *)vtophys(addr))
#define DMA_FREE_ADDR(addr,daddr,len,flags)
#define DMA_RELEASE()
#else
#error - Must define hardware-specific requirements here
#endif
/*
* Macros to lock out device interrupts
*/
#if defined(sun)
#define DEVICE_LOCK(u) ((u)->cu_savepri = splr((u)->cu_intrpri))
#endif
#if defined(__FreeBSD__)
#define DEVICE_LOCK(u) ((u)->cu_savepri = splimp())
#endif
#define DEVICE_UNLOCK(u) ((void) splx((u)->cu_savepri))
/*
* SBus defines
*/
#if defined(sun)
#define SBUS_BURST32 0x20 /* Device supports 32-byte bursts */
#endif
/*
* Macro to schedule the ATM interrupt queue handler
*/
typedef void (atm_intr_t) __P((void *, KBuffer *)); /* Callback function type */
typedef atm_intr_t *atm_intr_func_t; /* Pointer to callback function */
#ifdef sun
#define SCHED_ATM schednetisr(atm_intr)
#endif
#ifdef __FreeBSD__
#define NETISR_ATM AF_ATM
#define SCHED_ATM schednetisr(NETISR_ATM)
#endif
#ifdef sgi
extern int atm_intr_index;
#define SCHED_ATM schednetisr(atm_intr_index)
#endif
#endif /* ATM_KERNEL */
#endif /* _NETATM_ATM_IF_H */