linux-headers (unknown)

(root)/
include/
linux/
atmdev.h
       1  /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
       2  /* atmdev.h - ATM device driver declarations and various related items */
       3   
       4  /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
       5   
       6  
       7  #ifndef LINUX_ATMDEV_H
       8  #define LINUX_ATMDEV_H
       9  
      10  
      11  #include <linux/atmapi.h>
      12  #include <linux/atm.h>
      13  #include <linux/atmioc.h>
      14  
      15  
      16  #define ESI_LEN		6
      17  
      18  #define ATM_OC3_PCR	(155520000/270*260/8/53)
      19  			/* OC3 link rate:  155520000 bps
      20  			   SONET overhead: /270*260 (9 section, 1 path)
      21  			   bits per cell:  /8/53
      22  			   max cell rate:  353207.547 cells/sec */
      23  #define ATM_25_PCR	((25600000/8-8000)/54)
      24  			/* 25 Mbps ATM cell rate (59111) */
      25  #define ATM_OC12_PCR	(622080000/1080*1040/8/53)
      26  			/* OC12 link rate: 622080000 bps
      27  			   SONET overhead: /1080*1040
      28  			   bits per cell:  /8/53
      29  			   max cell rate:  1412830.188 cells/sec */
      30  #define ATM_DS3_PCR	(8000*12)
      31  			/* DS3: 12 cells in a 125 usec time slot */
      32  
      33  
      34  #define __AAL_STAT_ITEMS \
      35      __HANDLE_ITEM(tx);			/* TX okay */ \
      36      __HANDLE_ITEM(tx_err);		/* TX errors */ \
      37      __HANDLE_ITEM(rx);			/* RX okay */ \
      38      __HANDLE_ITEM(rx_err);		/* RX errors */ \
      39      __HANDLE_ITEM(rx_drop);		/* RX out of memory */
      40  
      41  struct atm_aal_stats {
      42  #define __HANDLE_ITEM(i) int i
      43  	__AAL_STAT_ITEMS
      44  #undef __HANDLE_ITEM
      45  };
      46  
      47  
      48  struct atm_dev_stats {
      49  	struct atm_aal_stats aal0;
      50  	struct atm_aal_stats aal34;
      51  	struct atm_aal_stats aal5;
      52  } __ATM_API_ALIGN;
      53  
      54  
      55  #define ATM_GETLINKRATE	_IOW('a',ATMIOC_ITF+1,struct atmif_sioc)
      56  					/* get link rate */
      57  #define ATM_GETNAMES	_IOW('a',ATMIOC_ITF+3,struct atm_iobuf)
      58  					/* get interface names (numbers) */
      59  #define ATM_GETTYPE	_IOW('a',ATMIOC_ITF+4,struct atmif_sioc)
      60  					/* get interface type name */
      61  #define ATM_GETESI	_IOW('a',ATMIOC_ITF+5,struct atmif_sioc)
      62  					/* get interface ESI */
      63  #define ATM_GETADDR	_IOW('a',ATMIOC_ITF+6,struct atmif_sioc)
      64  					/* get itf's local ATM addr. list */
      65  #define ATM_RSTADDR	_IOW('a',ATMIOC_ITF+7,struct atmif_sioc)
      66  					/* reset itf's ATM address list */
      67  #define ATM_ADDADDR	_IOW('a',ATMIOC_ITF+8,struct atmif_sioc)
      68  					/* add a local ATM address */
      69  #define ATM_DELADDR	_IOW('a',ATMIOC_ITF+9,struct atmif_sioc)
      70  					/* remove a local ATM address */
      71  #define ATM_GETCIRANGE	_IOW('a',ATMIOC_ITF+10,struct atmif_sioc)
      72  					/* get connection identifier range */
      73  #define ATM_SETCIRANGE	_IOW('a',ATMIOC_ITF+11,struct atmif_sioc)
      74  					/* set connection identifier range */
      75  #define ATM_SETESI	_IOW('a',ATMIOC_ITF+12,struct atmif_sioc)
      76  					/* set interface ESI */
      77  #define ATM_SETESIF	_IOW('a',ATMIOC_ITF+13,struct atmif_sioc)
      78  					/* force interface ESI */
      79  #define ATM_ADDLECSADDR	_IOW('a', ATMIOC_ITF+14, struct atmif_sioc)
      80  					/* register a LECS address */
      81  #define ATM_DELLECSADDR	_IOW('a', ATMIOC_ITF+15, struct atmif_sioc)
      82  					/* unregister a LECS address */
      83  #define ATM_GETLECSADDR	_IOW('a', ATMIOC_ITF+16, struct atmif_sioc)
      84  					/* retrieve LECS address(es) */
      85  
      86  #define ATM_GETSTAT	_IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc)
      87  					/* get AAL layer statistics */
      88  #define ATM_GETSTATZ	_IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc)
      89  					/* get AAL layer statistics and zero */
      90  #define ATM_GETLOOP	_IOW('a',ATMIOC_SARCOM+2,struct atmif_sioc)
      91  					/* get loopback mode */
      92  #define ATM_SETLOOP	_IOW('a',ATMIOC_SARCOM+3,struct atmif_sioc)
      93  					/* set loopback mode */
      94  #define ATM_QUERYLOOP	_IOW('a',ATMIOC_SARCOM+4,struct atmif_sioc)
      95  					/* query supported loopback modes */
      96  #define ATM_SETSC	_IOW('a',ATMIOC_SPECIAL+1,int)
      97  					/* enable or disable single-copy */
      98  #define ATM_SETBACKEND	_IOW('a',ATMIOC_SPECIAL+2,atm_backend_t)
      99  					/* set backend handler */
     100  #define ATM_NEWBACKENDIF _IOW('a',ATMIOC_SPECIAL+3,atm_backend_t)
     101  					/* use backend to make new if */
     102  #define ATM_ADDPARTY  	_IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)
     103   					/* add party to p2mp call */
     104  #define ATM_DROPPARTY 	_IOW('a', ATMIOC_SPECIAL+5,int)
     105  					/* drop party from p2mp call */
     106  
     107  /*
     108   * These are backend handkers that can be set via the ATM_SETBACKEND call
     109   * above.  In the future we may support dynamic loading of these - for now,
     110   * they're just being used to share the ATMIOC_BACKEND ioctls
     111   */
     112  #define ATM_BACKEND_RAW		0	
     113  #define ATM_BACKEND_PPP		1	/* PPPoATM - RFC2364 */
     114  #define ATM_BACKEND_BR2684	2	/* Bridged RFC1483/2684 */
     115  
     116  /* for ATM_GETTYPE */
     117  #define ATM_ITFTYP_LEN	8	/* maximum length of interface type name */
     118  
     119  /*
     120   * Loopback modes for ATM_{PHY,SAR}_{GET,SET}LOOP
     121   */
     122  
     123  /* Point of loopback				CPU-->SAR-->PHY-->line--> ... */
     124  #define __ATM_LM_NONE	0	/* no loop back     ^     ^     ^      ^      */
     125  #define __ATM_LM_AAL	1	/* loop back PDUs --'     |     |      |      */
     126  #define __ATM_LM_ATM	2	/* loop back ATM cells ---'     |      |      */
     127  /* RESERVED		4	loop back on PHY side  ---'		      */
     128  #define __ATM_LM_PHY	8	/* loop back bits (digital) ----'      |      */
     129  #define __ATM_LM_ANALOG 16	/* loop back the analog signal --------'      */
     130  
     131  /* Direction of loopback */
     132  #define __ATM_LM_MKLOC(n)	((n))	    /* Local (i.e. loop TX to RX) */
     133  #define __ATM_LM_MKRMT(n)	((n) << 8)  /* Remote (i.e. loop RX to TX) */
     134  
     135  #define __ATM_LM_XTLOC(n)	((n) & 0xff)
     136  #define __ATM_LM_XTRMT(n)	(((n) >> 8) & 0xff)
     137  
     138  #define ATM_LM_NONE	0	/* no loopback */
     139  
     140  #define ATM_LM_LOC_AAL	__ATM_LM_MKLOC(__ATM_LM_AAL)
     141  #define ATM_LM_LOC_ATM	__ATM_LM_MKLOC(__ATM_LM_ATM)
     142  #define ATM_LM_LOC_PHY	__ATM_LM_MKLOC(__ATM_LM_PHY)
     143  #define ATM_LM_LOC_ANALOG __ATM_LM_MKLOC(__ATM_LM_ANALOG)
     144  
     145  #define ATM_LM_RMT_AAL	__ATM_LM_MKRMT(__ATM_LM_AAL)
     146  #define ATM_LM_RMT_ATM	__ATM_LM_MKRMT(__ATM_LM_ATM)
     147  #define ATM_LM_RMT_PHY	__ATM_LM_MKRMT(__ATM_LM_PHY)
     148  #define ATM_LM_RMT_ANALOG __ATM_LM_MKRMT(__ATM_LM_ANALOG)
     149  
     150  /*
     151   * Note: ATM_LM_LOC_* and ATM_LM_RMT_* can be combined, provided that
     152   * __ATM_LM_XTLOC(x) <= __ATM_LM_XTRMT(x)
     153   */
     154  
     155  
     156  struct atm_iobuf {
     157  	int length;
     158  	void *buffer;
     159  };
     160  
     161  /* for ATM_GETCIRANGE / ATM_SETCIRANGE */
     162  
     163  #define ATM_CI_MAX      -1              /* use maximum range of VPI/VCI */
     164   
     165  struct atm_cirange {
     166  	signed char	vpi_bits;	/* 1..8, ATM_CI_MAX (-1) for maximum */
     167  	signed char	vci_bits;	/* 1..16, ATM_CI_MAX (-1) for maximum */
     168  };
     169  
     170  /* for ATM_SETSC; actually taken from the ATM_VF number space */
     171  
     172  #define ATM_SC_RX	1024		/* enable RX single-copy */
     173  #define ATM_SC_TX	2048		/* enable TX single-copy */
     174  
     175  #define ATM_BACKLOG_DEFAULT 32 /* if we get more, we're likely to time out
     176  				  anyway */
     177  
     178  /* MF: change_qos (Modify) flags */
     179  
     180  #define ATM_MF_IMMED	 1	/* Block until change is effective */
     181  #define ATM_MF_INC_RSV	 2	/* Change reservation on increase */
     182  #define ATM_MF_INC_SHP	 4	/* Change shaping on increase */
     183  #define ATM_MF_DEC_RSV	 8	/* Change reservation on decrease */
     184  #define ATM_MF_DEC_SHP	16	/* Change shaping on decrease */
     185  #define ATM_MF_BWD	32	/* Set the backward direction parameters */
     186  
     187  #define ATM_MF_SET	(ATM_MF_INC_RSV | ATM_MF_INC_SHP | ATM_MF_DEC_RSV | \
     188  			  ATM_MF_DEC_SHP | ATM_MF_BWD)
     189  
     190  /*
     191   * ATM_VS_* are used to express VC state in a human-friendly way.
     192   */
     193  
     194  #define ATM_VS_IDLE	0	/* VC is not used */
     195  #define ATM_VS_CONNECTED 1	/* VC is connected */
     196  #define ATM_VS_CLOSING	2	/* VC is closing */
     197  #define ATM_VS_LISTEN	3	/* VC is listening for incoming setups */
     198  #define ATM_VS_INUSE	4	/* VC is in use (registered with atmsigd) */
     199  #define ATM_VS_BOUND	5	/* VC is bound */
     200  
     201  #define ATM_VS2TXT_MAP \
     202      "IDLE", "CONNECTED", "CLOSING", "LISTEN", "INUSE", "BOUND"
     203  
     204  #define ATM_VF2TXT_MAP \
     205      "ADDR",	"READY",	"PARTIAL",	"REGIS", \
     206      "RELEASED", "HASQOS",	"LISTEN",	"META", \
     207      "256",	"512",		"1024",		"2048", \
     208      "SESSION",	"HASSAP",	"BOUND",	"CLOSE"
     209  
     210  
     211  
     212  #endif /* LINUX_ATMDEV_H */