/* atm.h - general ATM declarations */ /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ /* * WARNING: User-space programs should not #include <linux/atm.h> directly. *          Instead, #include <atm.h> */#ifndef _LINUX_ATM_H#define _LINUX_ATM_H/* * BEGIN_xx and END_xx markers are used for automatic generation of * documentation. Do not change them. */#include <linux/types.h>#include <linux/atmapi.h>#include <linux/atmsap.h>#include <linux/atmioc.h>#include <stdint.h>/* general ATM constants */#define ATM_CELL_SIZE		    53	/* ATM cell size incl. header */#define ATM_CELL_PAYLOAD	    48	/* ATM payload size */#define ATM_AAL0_SDU		    52	/* AAL0 SDU size */#define ATM_MAX_AAL34_PDU	 65535	/* maximum AAL3/4 PDU payload */#define ATM_AAL5_TRAILER	     8	/* AAL5 trailer size */#define ATM_MAX_AAL5_PDU	 65535	/* maximum AAL5 PDU payload */#define ATM_MAX_CDV		  9999	/* maximum (default) CDV */#define ATM_NOT_RSV_VCI		    32	/* first non-reserved VCI value */#define ATM_MAX_VPI		   255	/* maximum VPI at the UNI */#define ATM_MAX_VPI_NNI		  4096	/* maximum VPI at the NNI */#define ATM_MAX_VCI		 65535	/* maximum VCI *//* "protcol" values for the socket system call */#define ATM_NO_AAL	0		/* AAL not specified */#define ATM_AAL0	13		/* "raw" ATM cells */#define ATM_AAL1	1		/* AAL1 (CBR) */#define ATM_AAL2	2		/* AAL2 (VBR) */#define ATM_AAL34	3		/* AAL3/4 (data) */#define ATM_AAL5	5		/* AAL5 (data) *//* * socket option name coding functions * * Note that __SO_ENCODE and __SO_LEVEL are somewhat a hack since the * << 22 only reserves 9 bits for the level.  On some architectures * SOL_SOCKET is 0xFFFF, so that's a bit of a problem */#define __SO_ENCODE(l,n,t)	((((l) & 0x1FF) << 22) | ((n) << 16) | \				sizeof(t))#define __SO_LEVEL_MATCH(c,m)	(((c) >> 22) == ((m) & 0x1FF))#define __SO_NUMBER(c)		(((c) >> 16) & 0x3f)#define __SO_SIZE(c)		((c) & 0x3fff)/* * ATM layer */#define SO_SETCLP	__SO_ENCODE(SOL_ATM,0,int)			    /* set CLP bit value - TODO */#define SO_CIRANGE	__SO_ENCODE(SOL_ATM,1,struct atm_cirange)			    /* connection identifier range; socket must be			       bound or connected */#define SO_ATMQOS	__SO_ENCODE(SOL_ATM,2,struct atm_qos)			    /* Quality of Service setting */#define SO_ATMSAP	__SO_ENCODE(SOL_ATM,3,struct atm_sap)			    /* Service Access Point */#define SO_ATMPVC	__SO_ENCODE(SOL_ATM,4,struct sockaddr_atmpvc)			    /* "PVC" address (also for SVCs); get only */#define SO_MULTIPOINT	__SO_ENCODE(SOL_ATM, 5, int)			    /* make this vc a p2mp *//* * Note @@@: since the socket layers don't really distinguish the control and * the data plane but generally seems to be data plane-centric, any layer is * about equally wrong for the SAP. If you have a better idea about this, * please speak up ... *//* ATM cell header (for AAL0) *//* BEGIN_CH */#define ATM_HDR_GFC_MASK	0xf0000000#define ATM_HDR_GFC_SHIFT	28#define ATM_HDR_VPI_MASK	0x0ff00000#define ATM_HDR_VPI_SHIFT	20#define ATM_HDR_VCI_MASK	0x000ffff0#define ATM_HDR_VCI_SHIFT	4#define ATM_HDR_PTI_MASK	0x0000000e#define ATM_HDR_PTI_SHIFT	1#define ATM_HDR_CLP		0x00000001/* END_CH *//* PTI codings *//* BEGIN_PTI */#define ATM_PTI_US0	0  /* user data cell, congestion not exp, SDU-type 0 */#define ATM_PTI_US1	1  /* user data cell, congestion not exp, SDU-type 1 */#define ATM_PTI_UCES0	2  /* user data cell, cong. experienced, SDU-type 0 */#define ATM_PTI_UCES1	3  /* user data cell, cong. experienced, SDU-type 1 */#define ATM_PTI_SEGF5	4  /* segment OAM F5 flow related cell */#define ATM_PTI_E2EF5	5  /* end-to-end OAM F5 flow related cell */#define ATM_PTI_RSV_RM	6  /* reserved for traffic control/resource mgmt */#define ATM_PTI_RSV	7  /* reserved *//* END_PTI *//* * The following items should stay in linux/atm.h, which should be linked to * netatm/atm.h *//* Traffic description */#define ATM_NONE	0		/* no traffic */#define ATM_UBR		1#define ATM_CBR		2#define ATM_VBR		3#define ATM_ABR		4#define ATM_ANYCLASS	5		/* compatible with everything */#define ATM_MAX_PCR	-1		/* maximum available PCR */struct atm_trafprm {	unsigned char	traffic_class;	/* traffic class (ATM_UBR, ...) */	int		max_pcr;	/* maximum PCR in cells per second */	int		pcr;		/* desired PCR in cells per second */	int		min_pcr;	/* minimum PCR in cells per second */	int		max_cdv;	/* maximum CDV in microseconds */	int		max_sdu;	/* maximum SDU in bytes */        /* extra params for ABR */        unsigned int 	icr;         	/* Initial Cell Rate (24-bit) */        unsigned int	tbe;		/* Transient Buffer Exposure (24-bit) */         unsigned int 	frtt : 24;	/* Fixed Round Trip Time (24-bit) */        unsigned int 	rif  : 4;       /* Rate Increment Factor (4-bit) */        unsigned int 	rdf  : 4;       /* Rate Decrease Factor (4-bit) */        unsigned int nrm_pres  :1;      /* nrm present bit */        unsigned int trm_pres  :1;     	/* rm present bit */        unsigned int adtf_pres :1;     	/* adtf present bit */        unsigned int cdf_pres  :1;    	/* cdf present bit*/        unsigned int nrm       :3;     	/* Max # of Cells for each forward RM cell (3-bit) */        unsigned int trm       :3;    	/* Time between forward RM cells (3-bit) */    	unsigned int adtf      :10;     /* ACR Decrease Time Factor (10-bit) */	unsigned int cdf       :3;      /* Cutoff Decrease Factor (3-bit) */        unsigned int spare     :9;      /* spare bits */ };struct atm_qos {	struct atm_trafprm txtp;	/* parameters in TX direction */	struct atm_trafprm rxtp __ATM_API_ALIGN;					/* parameters in RX direction */	unsigned char aal __ATM_API_ALIGN;};/* PVC addressing */#define ATM_ITF_ANY	-1		/* "magic" PVC address values */#define ATM_VPI_ANY	-1#define ATM_VCI_ANY	-1#define ATM_VPI_UNSPEC	-2#define ATM_VCI_UNSPEC	-2struct sockaddr_atmpvc {	unsigned short 	sap_family;	/* address family, AF_ATMPVC  */	struct {			/* PVC address */		short	itf;		/* ATM interface */		short	vpi;		/* VPI (only 8 bits at UNI) */		int	vci;		/* VCI (only 16 bits at UNI) */	} sap_addr __ATM_API_ALIGN;	/* PVC address */};/* SVC addressing */#define	ATM_ESA_LEN	20		/* ATM End System Address length */#define ATM_E164_LEN	12		/* maximum E.164 number length */#define ATM_AFI_DCC	0x39		/* DCC ATM Format */#define ATM_AFI_ICD	0x47		/* ICD ATM Format */#define ATM_AFI_E164	0x45		/* E.164 ATM Format */#define ATM_AFI_LOCAL	0x49		/* Local ATM Format */ #define ATM_AFI_DCC_GROUP	0xBD	/* DCC ATM Group Format */#define ATM_AFI_ICD_GROUP	0xC5	/* ICD ATM Group Format */#define ATM_AFI_E164_GROUP	0xC3	/* E.164 ATM Group Format */#define ATM_AFI_LOCAL_GROUP	0xC7	/* Local ATM Group Format */#define ATM_LIJ_NONE	0		/* no leaf-initiated join */#define ATM_LIJ		1		/* request joining */#define ATM_LIJ_RPJ	2		/* set to root-prompted join */#define ATM_LIJ_NJ	3		/* set to network join */struct sockaddr_atmsvc {    unsigned short 	sas_family;	/* address family, AF_ATMSVC */    struct {				/* SVC address */        unsigned char	prv[ATM_ESA_LEN];/* private ATM address */        char		pub[ATM_E164_LEN+1]; /* public address (E.164) */    					/* unused addresses must be bzero'ed */	char		lij_type;	/* role in LIJ call; one of ATM_LIJ* */	uint32_t	lij_id;		/* LIJ call identifier */    } sas_addr __ATM_API_ALIGN;		/* SVC address */};static __inline__ int atmsvc_addr_in_use(struct sockaddr_atmsvc addr){	return *addr.sas_addr.prv || *addr.sas_addr.pub;}static __inline__ int atmpvc_addr_in_use(struct sockaddr_atmpvc addr){	return addr.sap_addr.itf || addr.sap_addr.vpi || addr.sap_addr.vci;}/* * Some stuff for linux/sockios.h */struct atmif_sioc {    int number;    int length;    void *arg;};typedef unsigned short atm_backend_t;#endif