393 lines
11 KiB
C
393 lines
11 KiB
C
/*
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*
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* ===================================
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* HARP | Host ATM Research Platform
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* ===================================
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*
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*
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* This Host ATM Research Platform ("HARP") file (the "Software") is
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* made available by Network Computing Services, Inc. ("NetworkCS")
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* "AS IS". NetworkCS does not provide maintenance, improvements or
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* support of any kind.
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*
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* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
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* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
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* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
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* In no event shall NetworkCS be responsible for any damages, including
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* but not limited to consequential damages, arising from or relating to
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* any use of the Software or related support.
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*
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* Copyright 1994-1998 Network Computing Services, Inc.
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*
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* Copies of this Software may be made, however, the above copyright
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* notice must be reproduced on all copies.
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*
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* @(#) $FreeBSD$
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*
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*/
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/*
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* Core ATM Services
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* -----------------
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*
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* ATM Physical and Network Interface definitions
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*
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*/
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#ifndef _NETATM_ATM_IF_H
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#define _NETATM_ATM_IF_H
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/*
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* Handy constants
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*/
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#define ATM_NIF_MTU 9180 /* Default network interface MTU */
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#define ATM_PCR_TAXI100 227273 /* Peak Cell Rate for 100 Mbs TAXI */
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#define ATM_PCR_TAXI140 318181 /* Peak Cell Rate for 140 Mbs TAXI */
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#define ATM_PCR_OC3C 353207 /* Peak Cell Rate for OC3c */
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#define ATM_PCR_OC12C 1416905 /* Peak Cell Rate for OC12c */
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/*
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* Media Access Control (MAC) address
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*/
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struct mac_addr {
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u_char ma_data[6]; /* MAC address */
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};
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typedef struct mac_addr Mac_addr;
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/*
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* Adapter vendor identifiers
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*/
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enum atm_vendor {
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VENDOR_UNKNOWN, /* Unknown vendor */
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VENDOR_FORE, /* FORE Systems, Inc. */
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VENDOR_ENI /* Efficient Networks, Inc. */
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};
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typedef enum atm_vendor Atm_vendor;
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/*
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* Adapter vendor interface identifiers
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*/
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enum atm_vendapi {
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VENDAPI_UNKNOWN, /* Unknown interface */
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VENDAPI_FORE_1, /* FORE - 200 Series */
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VENDAPI_ENI_1 /* ENI - Midway */
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};
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typedef enum atm_vendapi Atm_vendapi;
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/*
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* Adapter device model identifiers
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*/
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enum atm_device {
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DEV_UNKNOWN, /* Unknown device */
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DEV_FORE_SBA200E, /* FORE SBA-200E */
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DEV_FORE_SBA200, /* FORE SBA-200 */
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DEV_FORE_PCA200E, /* FORE PCA-200E */
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DEV_ENI_155P /* ENI-155p */
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};
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typedef enum atm_device Atm_device;
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/*
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* Adapter media identifiers
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*/
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enum atm_media {
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MEDIA_UNKNOWN, /* Unknown media type */
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MEDIA_TAXI_100, /* TAXI - 100 Mbps */
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MEDIA_TAXI_140, /* TAXI - 140 Mbps */
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MEDIA_OC3C, /* OC-3C */
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MEDIA_OC12C, /* OC-12C */
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MEDIA_UTP155 /* UTP-155 */
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};
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typedef enum atm_media Atm_media;
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/*
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* Bus type identifiers
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*/
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enum atm_bus {
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BUS_UNKNOWN, /* Unknown bus type */
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BUS_SBUS_B16, /* SBus: 16 byte (4 word) max burst */
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BUS_SBUS_B32, /* SBus: 32 byte (8 word) max burst */
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BUS_PCI /* PCI */
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};
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typedef enum atm_bus Atm_bus;
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#define VERSION_LEN 16 /* Length of version info string */
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/*
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* ATM adapter configuration information structure
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*/
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struct atm_config {
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Atm_vendor ac_vendor; /* Vendor */
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Atm_vendapi ac_vendapi; /* Vendor interface */
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Atm_device ac_device; /* Device model */
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Atm_media ac_media; /* Media type */
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u_long ac_serial; /* Serial number */
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Atm_bus ac_bustype; /* Bus type */
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u_long ac_busslot; /* Bus slot info (bus type dependent) */
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u_long ac_ram; /* Device ram offset */
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u_long ac_ramsize; /* Device ram size */
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Mac_addr ac_macaddr; /* MAC address */
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char ac_hard_vers[VERSION_LEN]; /* Hardware version */
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char ac_firm_vers[VERSION_LEN]; /* Firmware version */
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};
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typedef struct atm_config Atm_config;
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#ifdef ATM_KERNEL
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/*
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* Common structure used to define each physical ATM device interface.
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* This structure will (normally) be embedded at the top of each driver's
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* device-specific interface structure.
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*/
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struct atm_pif {
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struct atm_pif *pif_next; /* Next registered atm interface */
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char *pif_name; /* Device name */
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short pif_unit; /* Device unit number */
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u_char pif_flags; /* Interface flags (see below) */
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struct sigmgr *pif_sigmgr; /* Signalling Manager for interface */
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struct siginst *pif_siginst; /* Signalling protocol instance */
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struct stack_defn *pif_services; /* Interface's stack services */
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struct mac_addr pif_macaddr; /* Interface's MAC address */
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struct atm_nif *pif_nif; /* List of network interfaces */
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struct atm_pif *pif_grnext; /* Next atm device in group */
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/* Exported functions */
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int (*pif_ioctl) /* Interface ioctl handler */
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__P((int, caddr_t, caddr_t));
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/* Interface statistics */
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long pif_ipdus; /* PDUs received from interface */
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long pif_opdus; /* PDUs sent to interface */
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long pif_ibytes; /* Bytes received from interface */
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long pif_obytes; /* Bytes sent to interface */
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long pif_ierrors; /* Errors receiving from interface */
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long pif_oerrors; /* Errors sending to interface */
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long pif_cmderrors; /* Interface command errors */
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caddr_t pif_cardstats; /* Card specific statistics */
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/* Interface capabilities */
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u_short pif_maxvpi; /* Maximum VPI value supported */
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u_short pif_maxvci; /* Maximum VCI value supported */
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u_int pif_pcr; /* Peak Cell Rate */
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};
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/*
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* Physical interface flags
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*/
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#define PIF_UP 0x01 /* Interface is up */
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#define PIF_LOOPBACK 0x02 /* Loopback local packets */
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/*
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* Structure defining an ATM network interface. This structure is used as
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* the hook between the standard BSD network layer interface mechanism and
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* the ATM device layer. There may be one or more network interfaces for
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* each physical ATM interface.
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*/
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struct atm_nif {
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struct ifnet nif_if; /* Network interface */
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struct atm_pif *nif_pif; /* Our physical interface */
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char nif_name[IFNAMSIZ];/* Network interface name */
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u_char nif_sel; /* Interface's address selector */
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struct atm_nif *nif_pnext; /* Next net interface on phys i/f */
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/* Interface statistics (in addition to ifnet stats) */
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long nif_ibytes; /* Bytes received from interface */
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long nif_obytes; /* Bytes sent to interface */
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};
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/*
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* Common Device VCC Entry
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*
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* Contains the common information for each VCC which is opened
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* through a particular device.
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*/
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struct cmn_vcc {
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struct cmn_vcc *cv_next; /* Next in list */
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void *cv_toku; /* Upper layer's token */
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void (*cv_upper) /* Upper layer's interface */
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__P((int, void *, int, int));
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Atm_connvc *cv_connvc; /* Associated connection VCC */
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u_char cv_state; /* VCC state (see below) */
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u_char cv_flags; /* VCC flags (see below) */
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};
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typedef struct cmn_vcc Cmn_vcc;
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/*
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* VCC States
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*/
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#define CVS_FREE 0 /* Not allocated */
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#define CVS_INST 1 /* Instantiated, waiting for INIT */
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#define CVS_INITED 2 /* Initialized, waiting for driver */
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#define CVS_ACTIVE 3 /* Device activated by driver */
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#define CVS_PTERM 4 /* Waiting for TERM */
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#define CVS_TERM 5 /* Terminated */
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/*
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* VCC Flags
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*/
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#define CVF_RSVD 0x0f /* Reserved for device-specific use */
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/*
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* Common Device Unit Structure
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*
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* Contains the common information for a single device (adapter).
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*/
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struct cmn_unit {
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struct atm_pif cu_pif; /* Physical interface */
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u_int cu_unit; /* Local unit number */
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u_char cu_flags; /* Device flags (see below) */
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u_int cu_mtu; /* Interface MTU */
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u_int cu_open_vcc; /* Open VCC count */
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Cmn_vcc *cu_vcc; /* List of VCC's on interface */
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u_int cu_intrpri; /* Highest unit interrupt priority */
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int cu_savepri; /* Saved priority for locking device */
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struct sp_info *cu_vcc_pool; /* Device VCC pool */
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struct sp_info *cu_nif_pool; /* Device NIF pool */
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int (*cu_ioctl) /* Interface ioctl handler */
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__P((int, caddr_t, caddr_t));
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int (*cu_instvcc) /* VCC stack instantion handler */
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__P((struct cmn_unit *, Cmn_vcc *));
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int (*cu_openvcc) /* Open VCC handler */
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__P((struct cmn_unit *, Cmn_vcc *));
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int (*cu_closevcc) /* Close VCC handler */
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__P((struct cmn_unit *, Cmn_vcc *));
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void (*cu_output) /* Data output handler */
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__P((struct cmn_unit *, Cmn_vcc *, KBuffer *));
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Atm_config cu_config; /* Device configuration data */
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};
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typedef struct cmn_unit Cmn_unit;
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/*
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* Device flags
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*/
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#define CUF_REGISTER 0x01 /* Device is registered */
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#define CUF_INITED 0x02 /* Device is initialized */
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/*
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* Structure used to define a network convergence module and its associated
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* entry points. A convergence module is used to provide the interface
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* translations necessary between the ATM system and the BSD network layer
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* interface mechanism. There will be one network convergence module for
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* each protocol address family supporting ATM connections.
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*/
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struct atm_ncm {
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struct atm_ncm *ncm_next; /* Next in registry list */
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u_short ncm_family; /* Protocol family */
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/* Exported functions */
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int (*ncm_ifoutput) /* Interface if_output handler */
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__P((struct ifnet *, KBuffer *,
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struct sockaddr *));
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int (*ncm_stat) /* Network i/f status handler */
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__P((int, struct atm_nif *, int));
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};
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/*
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* ncm_stat() commands
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*/
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#define NCM_ATTACH 1 /* Attaching a new net i/f */
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#define NCM_DETACH 2 /* Detaching a current net i/f */
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#define NCM_SETADDR 3 /* Net i/f address change */
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#define NCM_SIGATTACH 4 /* Attaching a signalling manager */
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#define NCM_SIGDETACH 5 /* Detaching a signalling manager */
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/*
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* atm_dev_alloc() parameters
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*/
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#define ATM_DEV_NONCACHE 1 /* Allocate non-cacheable memory */
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/*
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* atm_dev_compress() buffer allocation sizes
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*/
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#if defined(BSD)
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#define ATM_DEV_CMPR_LG MCLBYTES /* Size of large buffers */
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#define ATM_DEV_CMPR_SM MLEN /* Size of small buffers */
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#endif
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/*
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* Macros to manage DMA addresses
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*/
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#if defined(sun4c)
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#define DMA_INIT()
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#define DMA_GET_ADDR(addr,len,align,flags) ((void *)(addr))
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#define DMA_FREE_ADDR(addr,daddr,len,flags)
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#define DMA_RELEASE()
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#elif defined(sun4m)
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#define DMA_INIT()
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#define DMA_GET_ADDR(addr,len,align,flags) \
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(void *)atm_dma_map((addr),(len),(flags))
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#define DMA_FREE_ADDR(addr,daddr,len,flags) \
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(void)atm_dma_free((daddr),(flags))
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#define DMA_RELEASE()
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#elif defined(BSD) && defined(__i386__)
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#define DMA_INIT()
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#define DMA_GET_ADDR(addr,len,align,flags) ((void *)vtophys(addr))
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#define DMA_FREE_ADDR(addr,daddr,len,flags)
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#define DMA_RELEASE()
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#else
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#error - Must define hardware-specific requirements here
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#endif
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/*
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* Macros to lock out device interrupts
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*/
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#if defined(sun)
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#define DEVICE_LOCK(u) ((u)->cu_savepri = splr((u)->cu_intrpri))
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#endif
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#if defined(__FreeBSD__)
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#define DEVICE_LOCK(u) ((u)->cu_savepri = splimp())
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#endif
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#define DEVICE_UNLOCK(u) ((void) splx((u)->cu_savepri))
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/*
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* SBus defines
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*/
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#if defined(sun)
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#define SBUS_BURST32 0x20 /* Device supports 32-byte bursts */
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#endif
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/*
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* Macro to schedule the ATM interrupt queue handler
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*/
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typedef void (atm_intr_t) __P((void *, KBuffer *)); /* Callback function type */
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typedef atm_intr_t *atm_intr_func_t; /* Pointer to callback function */
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#ifdef sun
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#define SCHED_ATM schednetisr(atm_intr)
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#endif
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#ifdef __FreeBSD__
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#define NETISR_ATM AF_ATM
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#define SCHED_ATM schednetisr(NETISR_ATM)
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#endif
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#ifdef sgi
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extern int atm_intr_index;
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#define SCHED_ATM schednetisr(atm_intr_index)
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#endif
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#endif /* ATM_KERNEL */
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#endif /* _NETATM_ATM_IF_H */
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