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Many user space API headers are missing licensing information, which makes it hard for compliance tools to determine the correct license. By default are files without license information under the default license of the kernel, which is GPLV2. Marking them GPLV2 would exclude them from being included in non GPLV2 code, which is obviously not intended. The user space API headers fall under the syscall exception which is in the kernels COPYING file: NOTE! This copyright does *not* cover user programs that use kernel services by normal system calls - this is merely considered normal use of the kernel, and does *not* fall under the heading of "derived work". otherwise syscall usage would not be possible. Update the files which contain no license information with an SPDX license identifier. The chosen identifier is 'GPL-2.0 WITH Linux-syscall-note' which is the officially assigned identifier for the Linux syscall exception. SPDX license identifiers are a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. See the previous patch in this series for the methodology of how this patch was researched. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
243 lines
7.8 KiB
C
243 lines
7.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/* atm.h - general ATM declarations */
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/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
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/*
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* WARNING: User-space programs should not #include <linux/atm.h> directly.
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* Instead, #include <atm.h>
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*/
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#ifndef _UAPI_LINUX_ATM_H
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#define _UAPI_LINUX_ATM_H
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/*
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* BEGIN_xx and END_xx markers are used for automatic generation of
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* documentation. Do not change them.
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*/
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#include <linux/compiler.h>
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#include <linux/atmapi.h>
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#include <linux/atmsap.h>
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#include <linux/atmioc.h>
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#include <linux/types.h>
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/* general ATM constants */
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#define ATM_CELL_SIZE 53 /* ATM cell size incl. header */
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#define ATM_CELL_PAYLOAD 48 /* ATM payload size */
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#define ATM_AAL0_SDU 52 /* AAL0 SDU size */
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#define ATM_MAX_AAL34_PDU 65535 /* maximum AAL3/4 PDU payload */
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#define ATM_AAL5_TRAILER 8 /* AAL5 trailer size */
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#define ATM_MAX_AAL5_PDU 65535 /* maximum AAL5 PDU payload */
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#define ATM_MAX_CDV 9999 /* maximum (default) CDV */
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#define ATM_NOT_RSV_VCI 32 /* first non-reserved VCI value */
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#define ATM_MAX_VPI 255 /* maximum VPI at the UNI */
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#define ATM_MAX_VPI_NNI 4096 /* maximum VPI at the NNI */
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#define ATM_MAX_VCI 65535 /* maximum VCI */
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/* "protcol" values for the socket system call */
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#define ATM_NO_AAL 0 /* AAL not specified */
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#define ATM_AAL0 13 /* "raw" ATM cells */
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#define ATM_AAL1 1 /* AAL1 (CBR) */
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#define ATM_AAL2 2 /* AAL2 (VBR) */
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#define ATM_AAL34 3 /* AAL3/4 (data) */
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#define ATM_AAL5 5 /* AAL5 (data) */
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/*
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* socket option name coding functions
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*
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* Note that __SO_ENCODE and __SO_LEVEL are somewhat a hack since the
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* << 22 only reserves 9 bits for the level. On some architectures
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* SOL_SOCKET is 0xFFFF, so that's a bit of a problem
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*/
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#define __SO_ENCODE(l,n,t) ((((l) & 0x1FF) << 22) | ((n) << 16) | \
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sizeof(t))
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#define __SO_LEVEL_MATCH(c,m) (((c) >> 22) == ((m) & 0x1FF))
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#define __SO_NUMBER(c) (((c) >> 16) & 0x3f)
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#define __SO_SIZE(c) ((c) & 0x3fff)
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/*
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* ATM layer
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*/
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#define SO_SETCLP __SO_ENCODE(SOL_ATM,0,int)
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/* set CLP bit value - TODO */
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#define SO_CIRANGE __SO_ENCODE(SOL_ATM,1,struct atm_cirange)
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/* connection identifier range; socket must be
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bound or connected */
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#define SO_ATMQOS __SO_ENCODE(SOL_ATM,2,struct atm_qos)
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/* Quality of Service setting */
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#define SO_ATMSAP __SO_ENCODE(SOL_ATM,3,struct atm_sap)
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/* Service Access Point */
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#define SO_ATMPVC __SO_ENCODE(SOL_ATM,4,struct sockaddr_atmpvc)
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/* "PVC" address (also for SVCs); get only */
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#define SO_MULTIPOINT __SO_ENCODE(SOL_ATM, 5, int)
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/* make this vc a p2mp */
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/*
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* Note @@@: since the socket layers don't really distinguish the control and
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* the data plane but generally seems to be data plane-centric, any layer is
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* about equally wrong for the SAP. If you have a better idea about this,
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* please speak up ...
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*/
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/* ATM cell header (for AAL0) */
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/* BEGIN_CH */
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#define ATM_HDR_GFC_MASK 0xf0000000
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#define ATM_HDR_GFC_SHIFT 28
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#define ATM_HDR_VPI_MASK 0x0ff00000
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#define ATM_HDR_VPI_SHIFT 20
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#define ATM_HDR_VCI_MASK 0x000ffff0
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#define ATM_HDR_VCI_SHIFT 4
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#define ATM_HDR_PTI_MASK 0x0000000e
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#define ATM_HDR_PTI_SHIFT 1
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#define ATM_HDR_CLP 0x00000001
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/* END_CH */
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/* PTI codings */
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/* BEGIN_PTI */
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#define ATM_PTI_US0 0 /* user data cell, congestion not exp, SDU-type 0 */
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#define ATM_PTI_US1 1 /* user data cell, congestion not exp, SDU-type 1 */
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#define ATM_PTI_UCES0 2 /* user data cell, cong. experienced, SDU-type 0 */
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#define ATM_PTI_UCES1 3 /* user data cell, cong. experienced, SDU-type 1 */
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#define ATM_PTI_SEGF5 4 /* segment OAM F5 flow related cell */
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#define ATM_PTI_E2EF5 5 /* end-to-end OAM F5 flow related cell */
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#define ATM_PTI_RSV_RM 6 /* reserved for traffic control/resource mgmt */
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#define ATM_PTI_RSV 7 /* reserved */
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/* END_PTI */
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/*
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* The following items should stay in linux/atm.h, which should be linked to
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* netatm/atm.h
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*/
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/* Traffic description */
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#define ATM_NONE 0 /* no traffic */
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#define ATM_UBR 1
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#define ATM_CBR 2
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#define ATM_VBR 3
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#define ATM_ABR 4
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#define ATM_ANYCLASS 5 /* compatible with everything */
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#define ATM_MAX_PCR -1 /* maximum available PCR */
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struct atm_trafprm {
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unsigned char traffic_class; /* traffic class (ATM_UBR, ...) */
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int max_pcr; /* maximum PCR in cells per second */
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int pcr; /* desired PCR in cells per second */
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int min_pcr; /* minimum PCR in cells per second */
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int max_cdv; /* maximum CDV in microseconds */
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int max_sdu; /* maximum SDU in bytes */
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/* extra params for ABR */
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unsigned int icr; /* Initial Cell Rate (24-bit) */
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unsigned int tbe; /* Transient Buffer Exposure (24-bit) */
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unsigned int frtt : 24; /* Fixed Round Trip Time (24-bit) */
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unsigned int rif : 4; /* Rate Increment Factor (4-bit) */
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unsigned int rdf : 4; /* Rate Decrease Factor (4-bit) */
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unsigned int nrm_pres :1; /* nrm present bit */
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unsigned int trm_pres :1; /* rm present bit */
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unsigned int adtf_pres :1; /* adtf present bit */
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unsigned int cdf_pres :1; /* cdf present bit*/
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unsigned int nrm :3; /* Max # of Cells for each forward RM cell (3-bit) */
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unsigned int trm :3; /* Time between forward RM cells (3-bit) */
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unsigned int adtf :10; /* ACR Decrease Time Factor (10-bit) */
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unsigned int cdf :3; /* Cutoff Decrease Factor (3-bit) */
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unsigned int spare :9; /* spare bits */
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};
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struct atm_qos {
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struct atm_trafprm txtp; /* parameters in TX direction */
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struct atm_trafprm rxtp __ATM_API_ALIGN;
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/* parameters in RX direction */
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unsigned char aal __ATM_API_ALIGN;
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};
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/* PVC addressing */
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#define ATM_ITF_ANY -1 /* "magic" PVC address values */
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#define ATM_VPI_ANY -1
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#define ATM_VCI_ANY -1
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#define ATM_VPI_UNSPEC -2
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#define ATM_VCI_UNSPEC -2
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struct sockaddr_atmpvc {
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unsigned short sap_family; /* address family, AF_ATMPVC */
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struct { /* PVC address */
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short itf; /* ATM interface */
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short vpi; /* VPI (only 8 bits at UNI) */
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int vci; /* VCI (only 16 bits at UNI) */
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} sap_addr __ATM_API_ALIGN; /* PVC address */
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};
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/* SVC addressing */
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#define ATM_ESA_LEN 20 /* ATM End System Address length */
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#define ATM_E164_LEN 12 /* maximum E.164 number length */
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#define ATM_AFI_DCC 0x39 /* DCC ATM Format */
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#define ATM_AFI_ICD 0x47 /* ICD ATM Format */
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#define ATM_AFI_E164 0x45 /* E.164 ATM Format */
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#define ATM_AFI_LOCAL 0x49 /* Local ATM Format */
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#define ATM_AFI_DCC_GROUP 0xBD /* DCC ATM Group Format */
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#define ATM_AFI_ICD_GROUP 0xC5 /* ICD ATM Group Format */
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#define ATM_AFI_E164_GROUP 0xC3 /* E.164 ATM Group Format */
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#define ATM_AFI_LOCAL_GROUP 0xC7 /* Local ATM Group Format */
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#define ATM_LIJ_NONE 0 /* no leaf-initiated join */
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#define ATM_LIJ 1 /* request joining */
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#define ATM_LIJ_RPJ 2 /* set to root-prompted join */
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#define ATM_LIJ_NJ 3 /* set to network join */
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struct sockaddr_atmsvc {
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unsigned short sas_family; /* address family, AF_ATMSVC */
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struct { /* SVC address */
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unsigned char prv[ATM_ESA_LEN];/* private ATM address */
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char pub[ATM_E164_LEN+1]; /* public address (E.164) */
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/* unused addresses must be bzero'ed */
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char lij_type; /* role in LIJ call; one of ATM_LIJ* */
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__u32 lij_id; /* LIJ call identifier */
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} sas_addr __ATM_API_ALIGN; /* SVC address */
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};
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static __inline__ int atmsvc_addr_in_use(struct sockaddr_atmsvc addr)
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{
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return *addr.sas_addr.prv || *addr.sas_addr.pub;
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}
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static __inline__ int atmpvc_addr_in_use(struct sockaddr_atmpvc addr)
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{
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return addr.sap_addr.itf || addr.sap_addr.vpi || addr.sap_addr.vci;
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}
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/*
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* Some stuff for linux/sockios.h
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*/
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struct atmif_sioc {
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int number;
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int length;
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void __user *arg;
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};
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typedef unsigned short atm_backend_t;
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#endif /* _UAPI_LINUX_ATM_H */
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