Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
This commit is contained in:
Linus Torvalds
489
include/linux/atmdev.h
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489
include/linux/atmdev.h
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@@ -0,0 +1,489 @@
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/* atmdev.h - ATM device driver declarations and various related items */
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/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
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#ifndef LINUX_ATMDEV_H
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#define LINUX_ATMDEV_H
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#include <linux/config.h>
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#include <linux/atmapi.h>
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#include <linux/atm.h>
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#include <linux/atmioc.h>
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#define ESI_LEN 6
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#define ATM_OC3_PCR (155520000/270*260/8/53)
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/* OC3 link rate: 155520000 bps
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SONET overhead: /270*260 (9 section, 1 path)
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bits per cell: /8/53
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max cell rate: 353207.547 cells/sec */
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#define ATM_25_PCR ((25600000/8-8000)/54)
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/* 25 Mbps ATM cell rate (59111) */
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#define ATM_OC12_PCR (622080000/1080*1040/8/53)
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/* OC12 link rate: 622080000 bps
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SONET overhead: /1080*1040
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bits per cell: /8/53
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max cell rate: 1412830.188 cells/sec */
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#define ATM_DS3_PCR (8000*12)
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/* DS3: 12 cells in a 125 usec time slot */
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#define __AAL_STAT_ITEMS \
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__HANDLE_ITEM(tx); /* TX okay */ \
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__HANDLE_ITEM(tx_err); /* TX errors */ \
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__HANDLE_ITEM(rx); /* RX okay */ \
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__HANDLE_ITEM(rx_err); /* RX errors */ \
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__HANDLE_ITEM(rx_drop); /* RX out of memory */
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struct atm_aal_stats {
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#define __HANDLE_ITEM(i) int i
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__AAL_STAT_ITEMS
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#undef __HANDLE_ITEM
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};
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struct atm_dev_stats {
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struct atm_aal_stats aal0;
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struct atm_aal_stats aal34;
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struct atm_aal_stats aal5;
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} __ATM_API_ALIGN;
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#define ATM_GETLINKRATE _IOW('a',ATMIOC_ITF+1,struct atmif_sioc)
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/* get link rate */
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#define ATM_GETNAMES _IOW('a',ATMIOC_ITF+3,struct atm_iobuf)
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/* get interface names (numbers) */
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#define ATM_GETTYPE _IOW('a',ATMIOC_ITF+4,struct atmif_sioc)
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/* get interface type name */
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#define ATM_GETESI _IOW('a',ATMIOC_ITF+5,struct atmif_sioc)
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/* get interface ESI */
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#define ATM_GETADDR _IOW('a',ATMIOC_ITF+6,struct atmif_sioc)
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/* get itf's local ATM addr. list */
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#define ATM_RSTADDR _IOW('a',ATMIOC_ITF+7,struct atmif_sioc)
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/* reset itf's ATM address list */
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#define ATM_ADDADDR _IOW('a',ATMIOC_ITF+8,struct atmif_sioc)
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/* add a local ATM address */
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#define ATM_DELADDR _IOW('a',ATMIOC_ITF+9,struct atmif_sioc)
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/* remove a local ATM address */
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#define ATM_GETCIRANGE _IOW('a',ATMIOC_ITF+10,struct atmif_sioc)
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/* get connection identifier range */
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#define ATM_SETCIRANGE _IOW('a',ATMIOC_ITF+11,struct atmif_sioc)
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/* set connection identifier range */
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#define ATM_SETESI _IOW('a',ATMIOC_ITF+12,struct atmif_sioc)
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/* set interface ESI */
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#define ATM_SETESIF _IOW('a',ATMIOC_ITF+13,struct atmif_sioc)
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/* force interface ESI */
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#define ATM_GETSTAT _IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc)
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/* get AAL layer statistics */
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#define ATM_GETSTATZ _IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc)
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/* get AAL layer statistics and zero */
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#define ATM_GETLOOP _IOW('a',ATMIOC_SARCOM+2,struct atmif_sioc)
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/* get loopback mode */
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#define ATM_SETLOOP _IOW('a',ATMIOC_SARCOM+3,struct atmif_sioc)
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/* set loopback mode */
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#define ATM_QUERYLOOP _IOW('a',ATMIOC_SARCOM+4,struct atmif_sioc)
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/* query supported loopback modes */
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#define ATM_SETSC _IOW('a',ATMIOC_SPECIAL+1,int)
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/* enable or disable single-copy */
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#define ATM_SETBACKEND _IOW('a',ATMIOC_SPECIAL+2,atm_backend_t)
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/* set backend handler */
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#define ATM_NEWBACKENDIF _IOW('a',ATMIOC_SPECIAL+3,atm_backend_t)
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/* use backend to make new if */
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#define ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)
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/* add party to p2mp call */
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#define ATM_DROPPARTY _IOW('a', ATMIOC_SPECIAL+5,int)
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/* drop party from p2mp call */
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/*
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* These are backend handkers that can be set via the ATM_SETBACKEND call
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* above. In the future we may support dynamic loading of these - for now,
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* they're just being used to share the ATMIOC_BACKEND ioctls
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*/
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#define ATM_BACKEND_RAW 0
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#define ATM_BACKEND_PPP 1 /* PPPoATM - RFC2364 */
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#define ATM_BACKEND_BR2684 2 /* Bridged RFC1483/2684 */
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/* for ATM_GETTYPE */
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#define ATM_ITFTYP_LEN 8 /* maximum length of interface type name */
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/*
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* Loopback modes for ATM_{PHY,SAR}_{GET,SET}LOOP
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*/
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/* Point of loopback CPU-->SAR-->PHY-->line--> ... */
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#define __ATM_LM_NONE 0 /* no loop back ^ ^ ^ ^ */
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#define __ATM_LM_AAL 1 /* loop back PDUs --' | | | */
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#define __ATM_LM_ATM 2 /* loop back ATM cells ---' | | */
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/* RESERVED 4 loop back on PHY side ---' */
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#define __ATM_LM_PHY 8 /* loop back bits (digital) ----' | */
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#define __ATM_LM_ANALOG 16 /* loop back the analog signal --------' */
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/* Direction of loopback */
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#define __ATM_LM_MKLOC(n) ((n)) /* Local (i.e. loop TX to RX) */
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#define __ATM_LM_MKRMT(n) ((n) << 8) /* Remote (i.e. loop RX to TX) */
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#define __ATM_LM_XTLOC(n) ((n) & 0xff)
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#define __ATM_LM_XTRMT(n) (((n) >> 8) & 0xff)
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#define ATM_LM_NONE 0 /* no loopback */
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#define ATM_LM_LOC_AAL __ATM_LM_MKLOC(__ATM_LM_AAL)
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#define ATM_LM_LOC_ATM __ATM_LM_MKLOC(__ATM_LM_ATM)
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#define ATM_LM_LOC_PHY __ATM_LM_MKLOC(__ATM_LM_PHY)
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#define ATM_LM_LOC_ANALOG __ATM_LM_MKLOC(__ATM_LM_ANALOG)
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#define ATM_LM_RMT_AAL __ATM_LM_MKRMT(__ATM_LM_AAL)
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#define ATM_LM_RMT_ATM __ATM_LM_MKRMT(__ATM_LM_ATM)
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#define ATM_LM_RMT_PHY __ATM_LM_MKRMT(__ATM_LM_PHY)
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#define ATM_LM_RMT_ANALOG __ATM_LM_MKRMT(__ATM_LM_ANALOG)
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/*
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* Note: ATM_LM_LOC_* and ATM_LM_RMT_* can be combined, provided that
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* __ATM_LM_XTLOC(x) <= __ATM_LM_XTRMT(x)
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*/
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struct atm_iobuf {
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int length;
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void __user *buffer;
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};
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/* for ATM_GETCIRANGE / ATM_SETCIRANGE */
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#define ATM_CI_MAX -1 /* use maximum range of VPI/VCI */
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struct atm_cirange {
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signed char vpi_bits; /* 1..8, ATM_CI_MAX (-1) for maximum */
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signed char vci_bits; /* 1..16, ATM_CI_MAX (-1) for maximum */
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};
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/* for ATM_SETSC; actually taken from the ATM_VF number space */
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#define ATM_SC_RX 1024 /* enable RX single-copy */
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#define ATM_SC_TX 2048 /* enable TX single-copy */
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#define ATM_BACKLOG_DEFAULT 32 /* if we get more, we're likely to time out
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anyway */
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/* MF: change_qos (Modify) flags */
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#define ATM_MF_IMMED 1 /* Block until change is effective */
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#define ATM_MF_INC_RSV 2 /* Change reservation on increase */
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#define ATM_MF_INC_SHP 4 /* Change shaping on increase */
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#define ATM_MF_DEC_RSV 8 /* Change reservation on decrease */
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#define ATM_MF_DEC_SHP 16 /* Change shaping on decrease */
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#define ATM_MF_BWD 32 /* Set the backward direction parameters */
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#define ATM_MF_SET (ATM_MF_INC_RSV | ATM_MF_INC_SHP | ATM_MF_DEC_RSV | \
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ATM_MF_DEC_SHP | ATM_MF_BWD)
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/*
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* ATM_VS_* are used to express VC state in a human-friendly way.
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*/
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#define ATM_VS_IDLE 0 /* VC is not used */
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#define ATM_VS_CONNECTED 1 /* VC is connected */
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#define ATM_VS_CLOSING 2 /* VC is closing */
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#define ATM_VS_LISTEN 3 /* VC is listening for incoming setups */
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#define ATM_VS_INUSE 4 /* VC is in use (registered with atmsigd) */
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#define ATM_VS_BOUND 5 /* VC is bound */
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#define ATM_VS2TXT_MAP \
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"IDLE", "CONNECTED", "CLOSING", "LISTEN", "INUSE", "BOUND"
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#define ATM_VF2TXT_MAP \
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"ADDR", "READY", "PARTIAL", "REGIS", \
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"RELEASED", "HASQOS", "LISTEN", "META", \
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"256", "512", "1024", "2048", \
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"SESSION", "HASSAP", "BOUND", "CLOSE"
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#ifdef __KERNEL__
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#include <linux/wait.h> /* wait_queue_head_t */
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#include <linux/time.h> /* struct timeval */
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#include <linux/net.h>
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#include <linux/skbuff.h> /* struct sk_buff */
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#include <linux/uio.h>
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#include <net/sock.h>
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#include <asm/atomic.h>
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#ifdef CONFIG_PROC_FS
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#include <linux/proc_fs.h>
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extern struct proc_dir_entry *atm_proc_root;
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#endif
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struct k_atm_aal_stats {
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#define __HANDLE_ITEM(i) atomic_t i
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__AAL_STAT_ITEMS
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#undef __HANDLE_ITEM
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};
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struct k_atm_dev_stats {
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struct k_atm_aal_stats aal0;
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struct k_atm_aal_stats aal34;
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struct k_atm_aal_stats aal5;
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};
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enum {
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ATM_VF_ADDR, /* Address is in use. Set by anybody, cleared
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by device driver. */
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ATM_VF_READY, /* VC is ready to transfer data. Set by device
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driver, cleared by anybody. */
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ATM_VF_PARTIAL, /* resources are bound to PVC (partial PVC
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setup), controlled by socket layer */
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ATM_VF_REGIS, /* registered with demon, controlled by SVC
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socket layer */
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ATM_VF_BOUND, /* local SAP is set, controlled by SVC socket
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layer */
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ATM_VF_RELEASED, /* demon has indicated/requested release,
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controlled by SVC socket layer */
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ATM_VF_HASQOS, /* QOS parameters have been set */
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ATM_VF_LISTEN, /* socket is used for listening */
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ATM_VF_META, /* SVC socket isn't used for normal data
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traffic and doesn't depend on signaling
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to be available */
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ATM_VF_SESSION, /* VCC is p2mp session control descriptor */
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ATM_VF_HASSAP, /* SAP has been set */
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ATM_VF_CLOSE, /* asynchronous close - treat like VF_RELEASED*/
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ATM_VF_WAITING, /* waiting for reply from sigd */
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ATM_VF_IS_CLIP, /* in use by CLIP protocol */
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};
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#define ATM_VF2VS(flags) \
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(test_bit(ATM_VF_READY,&(flags)) ? ATM_VS_CONNECTED : \
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test_bit(ATM_VF_RELEASED,&(flags)) ? ATM_VS_CLOSING : \
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test_bit(ATM_VF_LISTEN,&(flags)) ? ATM_VS_LISTEN : \
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test_bit(ATM_VF_REGIS,&(flags)) ? ATM_VS_INUSE : \
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test_bit(ATM_VF_BOUND,&(flags)) ? ATM_VS_BOUND : ATM_VS_IDLE)
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enum {
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ATM_DF_CLOSE, /* close device when last VCC is closed */
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};
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#define ATM_PHY_SIG_LOST 0 /* no carrier/light */
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#define ATM_PHY_SIG_UNKNOWN 1 /* carrier/light status is unknown */
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#define ATM_PHY_SIG_FOUND 2 /* carrier/light okay */
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#define ATM_ATMOPT_CLP 1 /* set CLP bit */
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struct atm_vcc {
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/* struct sock has to be the first member of atm_vcc */
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struct sock sk;
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unsigned long flags; /* VCC flags (ATM_VF_*) */
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short vpi; /* VPI and VCI (types must be equal */
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/* with sockaddr) */
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int vci;
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unsigned long aal_options; /* AAL layer options */
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unsigned long atm_options; /* ATM layer options */
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struct atm_dev *dev; /* device back pointer */
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struct atm_qos qos; /* QOS */
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struct atm_sap sap; /* SAP */
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void (*push)(struct atm_vcc *vcc,struct sk_buff *skb);
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void (*pop)(struct atm_vcc *vcc,struct sk_buff *skb); /* optional */
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int (*push_oam)(struct atm_vcc *vcc,void *cell);
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int (*send)(struct atm_vcc *vcc,struct sk_buff *skb);
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void *dev_data; /* per-device data */
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void *proto_data; /* per-protocol data */
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struct k_atm_aal_stats *stats; /* pointer to AAL stats group */
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/* SVC part --- may move later ------------------------------------- */
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short itf; /* interface number */
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struct sockaddr_atmsvc local;
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struct sockaddr_atmsvc remote;
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/* Multipoint part ------------------------------------------------- */
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struct atm_vcc *session; /* session VCC descriptor */
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/* Other stuff ----------------------------------------------------- */
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void *user_back; /* user backlink - not touched by */
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/* native ATM stack. Currently used */
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/* by CLIP and sch_atm. */
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};
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static inline struct atm_vcc *atm_sk(struct sock *sk)
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{
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return (struct atm_vcc *)sk;
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}
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static inline struct atm_vcc *ATM_SD(struct socket *sock)
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{
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return atm_sk(sock->sk);
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}
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static inline struct sock *sk_atm(struct atm_vcc *vcc)
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{
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return (struct sock *)vcc;
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}
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struct atm_dev_addr {
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struct sockaddr_atmsvc addr; /* ATM address */
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struct list_head entry; /* next address */
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};
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struct atm_dev {
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const struct atmdev_ops *ops; /* device operations; NULL if unused */
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const struct atmphy_ops *phy; /* PHY operations, may be undefined */
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/* (NULL) */
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const char *type; /* device type name */
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int number; /* device index */
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void *dev_data; /* per-device data */
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void *phy_data; /* private PHY date */
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unsigned long flags; /* device flags (ATM_DF_*) */
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struct list_head local; /* local ATM addresses */
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unsigned char esi[ESI_LEN]; /* ESI ("MAC" addr) */
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struct atm_cirange ci_range; /* VPI/VCI range */
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struct k_atm_dev_stats stats; /* statistics */
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char signal; /* signal status (ATM_PHY_SIG_*) */
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int link_rate; /* link rate (default: OC3) */
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atomic_t refcnt; /* reference count */
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spinlock_t lock; /* protect internal members */
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#ifdef CONFIG_PROC_FS
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struct proc_dir_entry *proc_entry; /* proc entry */
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char *proc_name; /* proc entry name */
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#endif
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struct list_head dev_list; /* linkage */
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};
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/* OF: send_Oam Flags */
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#define ATM_OF_IMMED 1 /* Attempt immediate delivery */
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#define ATM_OF_INRATE 2 /* Attempt in-rate delivery */
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/*
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* ioctl, getsockopt, and setsockopt are optional and can be set to NULL.
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*/
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struct atmdev_ops { /* only send is required */
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void (*dev_close)(struct atm_dev *dev);
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int (*open)(struct atm_vcc *vcc);
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void (*close)(struct atm_vcc *vcc);
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int (*ioctl)(struct atm_dev *dev,unsigned int cmd,void __user *arg);
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int (*getsockopt)(struct atm_vcc *vcc,int level,int optname,
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void __user *optval,int optlen);
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int (*setsockopt)(struct atm_vcc *vcc,int level,int optname,
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void __user *optval,int optlen);
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int (*send)(struct atm_vcc *vcc,struct sk_buff *skb);
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int (*send_oam)(struct atm_vcc *vcc,void *cell,int flags);
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void (*phy_put)(struct atm_dev *dev,unsigned char value,
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unsigned long addr);
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unsigned char (*phy_get)(struct atm_dev *dev,unsigned long addr);
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int (*change_qos)(struct atm_vcc *vcc,struct atm_qos *qos,int flags);
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int (*proc_read)(struct atm_dev *dev,loff_t *pos,char *page);
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struct module *owner;
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};
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struct atmphy_ops {
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int (*start)(struct atm_dev *dev);
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int (*ioctl)(struct atm_dev *dev,unsigned int cmd,void __user *arg);
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void (*interrupt)(struct atm_dev *dev);
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int (*stop)(struct atm_dev *dev);
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};
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struct atm_skb_data {
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struct atm_vcc *vcc; /* ATM VCC */
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unsigned long atm_options; /* ATM layer options */
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};
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#define VCC_HTABLE_SIZE 32
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extern struct hlist_head vcc_hash[VCC_HTABLE_SIZE];
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extern rwlock_t vcc_sklist_lock;
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#define ATM_SKB(skb) (((struct atm_skb_data *) (skb)->cb))
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||||
|
||||
struct atm_dev *atm_dev_register(const char *type,const struct atmdev_ops *ops,
|
||||
int number,unsigned long *flags); /* number == -1: pick first available */
|
||||
struct atm_dev *atm_dev_lookup(int number);
|
||||
void atm_dev_deregister(struct atm_dev *dev);
|
||||
void shutdown_atm_dev(struct atm_dev *dev);
|
||||
void vcc_insert_socket(struct sock *sk);
|
||||
|
||||
|
||||
/*
|
||||
* This is approximately the algorithm used by alloc_skb.
|
||||
*
|
||||
*/
|
||||
|
||||
static inline int atm_guess_pdu2truesize(int size)
|
||||
{
|
||||
return (SKB_DATA_ALIGN(size) + sizeof(struct skb_shared_info));
|
||||
}
|
||||
|
||||
|
||||
static inline void atm_force_charge(struct atm_vcc *vcc,int truesize)
|
||||
{
|
||||
atomic_add(truesize, &sk_atm(vcc)->sk_rmem_alloc);
|
||||
}
|
||||
|
||||
|
||||
static inline void atm_return(struct atm_vcc *vcc,int truesize)
|
||||
{
|
||||
atomic_sub(truesize, &sk_atm(vcc)->sk_rmem_alloc);
|
||||
}
|
||||
|
||||
|
||||
static inline int atm_may_send(struct atm_vcc *vcc,unsigned int size)
|
||||
{
|
||||
return (size + atomic_read(&sk_atm(vcc)->sk_wmem_alloc)) <
|
||||
sk_atm(vcc)->sk_sndbuf;
|
||||
}
|
||||
|
||||
|
||||
static inline void atm_dev_hold(struct atm_dev *dev)
|
||||
{
|
||||
atomic_inc(&dev->refcnt);
|
||||
}
|
||||
|
||||
|
||||
static inline void atm_dev_put(struct atm_dev *dev)
|
||||
{
|
||||
atomic_dec(&dev->refcnt);
|
||||
|
||||
if ((atomic_read(&dev->refcnt) == 1) &&
|
||||
test_bit(ATM_DF_CLOSE,&dev->flags))
|
||||
shutdown_atm_dev(dev);
|
||||
}
|
||||
|
||||
|
||||
int atm_charge(struct atm_vcc *vcc,int truesize);
|
||||
struct sk_buff *atm_alloc_charge(struct atm_vcc *vcc,int pdu_size,
|
||||
int gfp_flags);
|
||||
int atm_pcr_goal(struct atm_trafprm *tp);
|
||||
|
||||
void vcc_release_async(struct atm_vcc *vcc, int reply);
|
||||
|
||||
struct atm_ioctl {
|
||||
struct module *owner;
|
||||
/* A module reference is kept if appropriate over this call.
|
||||
* Return -ENOIOCTLCMD if you don't handle it. */
|
||||
int (*ioctl)(struct socket *, unsigned int cmd, unsigned long arg);
|
||||
struct list_head list;
|
||||
};
|
||||
|
||||
/**
|
||||
* register_atm_ioctl - register handler for ioctl operations
|
||||
*
|
||||
* Special (non-device) handlers of ioctl's should
|
||||
* register here. If you're a normal device, you should
|
||||
* set .ioctl in your atmdev_ops instead.
|
||||
*/
|
||||
void register_atm_ioctl(struct atm_ioctl *);
|
||||
|
||||
/**
|
||||
* deregister_atm_ioctl - remove the ioctl handler
|
||||
*/
|
||||
void deregister_atm_ioctl(struct atm_ioctl *);
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user