/* atmdev.h - ATM device driver declarations and various related items */ /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ #ifndef LINUX_ATMDEV_H#define LINUX_ATMDEV_H#include <linux/config.h>#include <linux/atmapi.h>#include <linux/atm.h>#include <linux/atmioc.h>#define ESI_LEN		6#define ATM_OC3_PCR	(155520000/270*260/8/53)			/* OC3 link rate:  155520000 bps			   SONET overhead: /270*260 (9 section, 1 path)			   bits per cell:  /8/53			   max cell rate:  353207.547 cells/sec */#define ATM_25_PCR	((25600000/8-8000)/54)			/* 25 Mbps ATM cell rate (59111) */#define ATM_OC12_PCR	(622080000/1080*1040/8/53)			/* OC12 link rate: 622080000 bps			   SONET overhead: /1080*1040			   bits per cell:  /8/53			   max cell rate:  1412830.188 cells/sec */#define ATM_DS3_PCR	(8000*12)			/* DS3: 12 cells in a 125 usec time slot */#define ATM_PDU_OVHD	0	/* number of bytes to charge against buffer				   quota per PDU */#define ATM_SD(s)	((s)->sk->protinfo.af_atm)#define __AAL_STAT_ITEMS \    __HANDLE_ITEM(tx);			/* TX okay */ \    __HANDLE_ITEM(tx_err);		/* TX errors */ \    __HANDLE_ITEM(rx);			/* RX okay */ \    __HANDLE_ITEM(rx_err);		/* RX errors */ \    __HANDLE_ITEM(rx_drop);		/* RX out of memory */struct atm_aal_stats {#define __HANDLE_ITEM(i) int i	__AAL_STAT_ITEMS#undef __HANDLE_ITEM};struct atm_dev_stats {	struct atm_aal_stats aal0;	struct atm_aal_stats aal34;	struct atm_aal_stats aal5;} __ATM_API_ALIGN;#define ATM_GETLINKRATE	_IOW('a',ATMIOC_ITF+1,struct atmif_sioc)					/* get link rate */#define ATM_GETNAMES	_IOW('a',ATMIOC_ITF+3,struct atm_iobuf)					/* get interface names (numbers) */#define ATM_GETTYPE	_IOW('a',ATMIOC_ITF+4,struct atmif_sioc)					/* get interface type name */#define ATM_GETESI	_IOW('a',ATMIOC_ITF+5,struct atmif_sioc)					/* get interface ESI */#define ATM_GETADDR	_IOW('a',ATMIOC_ITF+6,struct atmif_sioc)					/* get itf's local ATM addr. list */#define ATM_RSTADDR	_IOW('a',ATMIOC_ITF+7,struct atmif_sioc)					/* reset itf's ATM address list */#define ATM_ADDADDR	_IOW('a',ATMIOC_ITF+8,struct atmif_sioc)					/* add a local ATM address */#define ATM_DELADDR	_IOW('a',ATMIOC_ITF+9,struct atmif_sioc)					/* remove a local ATM address */#define ATM_GETCIRANGE	_IOW('a',ATMIOC_ITF+10,struct atmif_sioc)					/* get connection identifier range */#define ATM_SETCIRANGE	_IOW('a',ATMIOC_ITF+11,struct atmif_sioc)					/* set connection identifier range */#define ATM_SETESI	_IOW('a',ATMIOC_ITF+12,struct atmif_sioc)					/* set interface ESI */#define ATM_SETESIF	_IOW('a',ATMIOC_ITF+13,struct atmif_sioc)					/* force interface ESI */#define ATM_GETSTAT	_IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc)					/* get AAL layer statistics */#define ATM_GETSTATZ	_IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc)					/* get AAL layer statistics and zero */#define ATM_GETLOOP	_IOW('a',ATMIOC_SARCOM+2,struct atmif_sioc)					/* get loopback mode */#define ATM_SETLOOP	_IOW('a',ATMIOC_SARCOM+3,struct atmif_sioc)					/* set loopback mode */#define ATM_QUERYLOOP	_IOW('a',ATMIOC_SARCOM+4,struct atmif_sioc)					/* query supported loopback modes */#define ATM_SETSC	_IOW('a',ATMIOC_SPECIAL+1,int)					/* enable or disable single-copy */#define ATM_SETBACKEND	_IOW('a',ATMIOC_SPECIAL+2,atm_backend_t)					/* set backend handler *//* * These are backend handkers that can be set via the ATM_SETBACKEND call * above.  In the future we may support dynamic loading of these - for now, * they're just being used to share the ATMIOC_BACKEND ioctls */#define ATM_BACKEND_RAW		0	#define ATM_BACKEND_PPP		1	/* PPPoATM - RFC2364 */#define ATM_BACKEND_BR_2684	2	/* Bridged RFC1483/2684 *//* for ATM_GETTYPE */#define ATM_ITFTYP_LEN	8	/* maximum length of interface type name *//* * Loopback modes for ATM_{PHY,SAR}_{GET,SET}LOOP *//* Point of loopback				CPU-->SAR-->PHY-->line--> ... */#define __ATM_LM_NONE	0	/* no loop back     ^     ^     ^      ^      */#define __ATM_LM_AAL	1	/* loop back PDUs --'     |     |      |      */#define __ATM_LM_ATM	2	/* loop back ATM cells ---'     |      |      *//* RESERVED		4	loop back on PHY side  ---'		      */#define __ATM_LM_PHY	8	/* loop back bits (digital) ----'      |      */#define __ATM_LM_ANALOG 16	/* loop back the analog signal --------'      *//* Direction of loopback */#define __ATM_LM_MKLOC(n)	((n))	    /* Local (i.e. loop TX to RX) */#define __ATM_LM_MKRMT(n)	((n) << 8)  /* Remote (i.e. loop RX to TX) */#define __ATM_LM_XTLOC(n)	((n) & 0xff)#define __ATM_LM_XTRMT(n)	(((n) >> 8) & 0xff)#define ATM_LM_NONE	0	/* no loopback */#define ATM_LM_LOC_AAL	__ATM_LM_MKLOC(__ATM_LM_AAL)#define ATM_LM_LOC_ATM	__ATM_LM_MKLOC(__ATM_LM_ATM)#define ATM_LM_LOC_PHY	__ATM_LM_MKLOC(__ATM_LM_PHY)#define ATM_LM_LOC_ANALOG __ATM_LM_MKLOC(__ATM_LM_ANALOG)#define ATM_LM_RMT_AAL	__ATM_LM_MKRMT(__ATM_LM_AAL)#define ATM_LM_RMT_ATM	__ATM_LM_MKRMT(__ATM_LM_ATM)#define ATM_LM_RMT_PHY	__ATM_LM_MKRMT(__ATM_LM_PHY)#define ATM_LM_RMT_ANALOG __ATM_LM_MKRMT(__ATM_LM_ANALOG)/* * Note: ATM_LM_LOC_* and ATM_LM_RMT_* can be combined, provided that * __ATM_LM_XTLOC(x) <= __ATM_LM_XTRMT(x) */struct atm_iobuf {	int length;	void *buffer;};/* for ATM_GETCIRANGE / ATM_SETCIRANGE */#define ATM_CI_MAX      -1              /* use maximum range of VPI/VCI */ struct atm_cirange {	char	vpi_bits;		/* 1..8, ATM_CI_MAX (-1) for maximum */	char	vci_bits;		/* 1..16, ATM_CI_MAX (-1) for maximum */};/* for ATM_SETSC; actually taken from the ATM_VF number space */#define ATM_SC_RX	1024		/* enable RX single-copy */#define ATM_SC_TX	2048		/* enable TX single-copy */#define ATM_BACKLOG_DEFAULT 32 /* if we get more, we're likely to time out				  anyway *//* MF: change_qos (Modify) flags */#define ATM_MF_IMMED	 1	/* Block until change is effective */#define ATM_MF_INC_RSV	 2	/* Change reservation on increase */#define ATM_MF_INC_SHP	 4	/* Change shaping on increase */#define ATM_MF_DEC_RSV	 8	/* Change reservation on decrease */#define ATM_MF_DEC_SHP	16	/* Change shaping on decrease */#define ATM_MF_BWD	32	/* Set the backward direction parameters */#define ATM_MF_SET	(ATM_MF_INC_RSV | ATM_MF_INC_SHP | ATM_MF_DEC_RSV | \			  ATM_MF_DEC_SHP | ATM_MF_BWD)/* * ATM_VS_* are used to express VC state in a human-friendly way. */#define ATM_VS_IDLE	0	/* VC is not used */#define ATM_VS_CONNECTED 1	/* VC is connected */#define ATM_VS_CLOSING	2	/* VC is closing */#define ATM_VS_LISTEN	3	/* VC is listening for incoming setups */#define ATM_VS_INUSE	4	/* VC is in use (registered with atmsigd) */#define ATM_VS_BOUND	5	/* VC is bound */#define ATM_VS2TXT_MAP \    "IDLE", "CONNECTED", "CLOSING", "LISTEN", "INUSE", "BOUND"#define ATM_VF2TXT_MAP \    "ADDR",	"READY",	"PARTIAL",	"REGIS", \    "RELEASED", "HASQOS",	"LISTEN",	"META", \    "256",	"512",		"1024",		"2048", \    "SESSION",	"HASSAP",	"BOUND",	"CLOSE"#ifndef __KERNEL__#undef __AAL_STAT_ITEMS#else#include <linux/sched.h> /* wait_queue_head_t */#include <linux/time.h> /* struct timeval */#include <linux/net.h>#include <linux/skbuff.h> /* struct sk_buff */#include <linux/uio.h>#include <net/sock.h>#include <asm/atomic.h>#ifdef CONFIG_PROC_FS#include <linux/proc_fs.h>#endifstruct k_atm_aal_stats {#define __HANDLE_ITEM(i) atomic_t i	__AAL_STAT_ITEMS#undef __HANDLE_ITEM};struct k_atm_dev_stats {	struct k_atm_aal_stats aal0;	struct k_atm_aal_stats aal34;	struct k_atm_aal_stats aal5;};