--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* 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/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 __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_ADDLECSADDR _IOW('a', ATMIOC_ITF+14, struct atmif_sioc)
+ /* register a LECS address */
+#define ATM_DELLECSADDR _IOW('a', ATMIOC_ITF+15, struct atmif_sioc)
+ /* unregister a LECS address */
+#define ATM_GETLECSADDR _IOW('a', ATMIOC_ITF+16, struct atmif_sioc)
+ /* retrieve LECS address(es) */
+
+#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 */
+#define ATM_NEWBACKENDIF _IOW('a',ATMIOC_SPECIAL+3,atm_backend_t)
+ /* use backend to make new if */
+#define ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)
+ /* add party to p2mp call */
+#ifdef CONFIG_COMPAT
+/* It actually takes struct sockaddr_atmsvc, not struct atm_iobuf */
+#define COMPAT_ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct compat_atm_iobuf)
+#endif
+#define ATM_DROPPARTY _IOW('a', ATMIOC_SPECIAL+5,int)
+ /* drop party from p2mp call */
+
+/*
+ * 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_BR2684 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 {
+ signed char vpi_bits; /* 1..8, ATM_CI_MAX (-1) for maximum */
+ signed 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"
+
+
+
+#endif /* LINUX_ATMDEV_H */
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