6f52b16c5b
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>
154 lines
3.5 KiB
C
154 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* These are the public elements of the Linux kernel X.25 implementation.
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*
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* History
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* mar/20/00 Daniela Squassoni Disabling/enabling of facilities
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* negotiation.
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* apr/02/05 Shaun Pereira Selective sub address matching with
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* call user data
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*/
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#ifndef X25_KERNEL_H
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#define X25_KERNEL_H
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#include <linux/types.h>
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#include <linux/socket.h>
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#define SIOCX25GSUBSCRIP (SIOCPROTOPRIVATE + 0)
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#define SIOCX25SSUBSCRIP (SIOCPROTOPRIVATE + 1)
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#define SIOCX25GFACILITIES (SIOCPROTOPRIVATE + 2)
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#define SIOCX25SFACILITIES (SIOCPROTOPRIVATE + 3)
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#define SIOCX25GCALLUSERDATA (SIOCPROTOPRIVATE + 4)
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#define SIOCX25SCALLUSERDATA (SIOCPROTOPRIVATE + 5)
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#define SIOCX25GCAUSEDIAG (SIOCPROTOPRIVATE + 6)
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#define SIOCX25SCUDMATCHLEN (SIOCPROTOPRIVATE + 7)
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#define SIOCX25CALLACCPTAPPRV (SIOCPROTOPRIVATE + 8)
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#define SIOCX25SENDCALLACCPT (SIOCPROTOPRIVATE + 9)
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#define SIOCX25GDTEFACILITIES (SIOCPROTOPRIVATE + 10)
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#define SIOCX25SDTEFACILITIES (SIOCPROTOPRIVATE + 11)
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#define SIOCX25SCAUSEDIAG (SIOCPROTOPRIVATE + 12)
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/*
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* Values for {get,set}sockopt.
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*/
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#define X25_QBITINCL 1
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/*
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* X.25 Packet Size values.
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*/
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#define X25_PS16 4
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#define X25_PS32 5
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#define X25_PS64 6
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#define X25_PS128 7
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#define X25_PS256 8
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#define X25_PS512 9
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#define X25_PS1024 10
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#define X25_PS2048 11
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#define X25_PS4096 12
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/*
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* An X.121 address, it is held as ASCII text, null terminated, up to 15
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* digits and a null terminator.
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*/
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struct x25_address {
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char x25_addr[16];
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};
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/*
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* Linux X.25 Address structure, used for bind, and connect mostly.
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*/
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struct sockaddr_x25 {
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__kernel_sa_family_t sx25_family; /* Must be AF_X25 */
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struct x25_address sx25_addr; /* X.121 Address */
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};
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/*
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* DTE/DCE subscription options.
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*
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* As this is missing lots of options, user should expect major
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* changes of this structure in 2.5.x which might break compatibilty.
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* The somewhat ugly dimension 200-sizeof() is needed to maintain
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* backward compatibility.
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*/
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struct x25_subscrip_struct {
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char device[200-sizeof(unsigned long)];
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unsigned long global_facil_mask; /* 0 to disable negotiation */
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unsigned int extended;
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};
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/* values for above global_facil_mask */
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#define X25_MASK_REVERSE 0x01
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#define X25_MASK_THROUGHPUT 0x02
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#define X25_MASK_PACKET_SIZE 0x04
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#define X25_MASK_WINDOW_SIZE 0x08
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#define X25_MASK_CALLING_AE 0x10
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#define X25_MASK_CALLED_AE 0x20
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/*
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* Routing table control structure.
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*/
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struct x25_route_struct {
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struct x25_address address;
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unsigned int sigdigits;
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char device[200];
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};
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/*
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* Facilities structure.
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*/
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struct x25_facilities {
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unsigned int winsize_in, winsize_out;
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unsigned int pacsize_in, pacsize_out;
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unsigned int throughput;
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unsigned int reverse;
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};
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/*
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* ITU DTE facilities
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* Only the called and calling address
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* extension are currently implemented.
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* The rest are in place to avoid the struct
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* changing size if someone needs them later
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*/
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struct x25_dte_facilities {
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__u16 delay_cumul;
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__u16 delay_target;
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__u16 delay_max;
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__u8 min_throughput;
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__u8 expedited;
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__u8 calling_len;
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__u8 called_len;
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__u8 calling_ae[20];
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__u8 called_ae[20];
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};
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/*
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* Call User Data structure.
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*/
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struct x25_calluserdata {
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unsigned int cudlength;
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unsigned char cuddata[128];
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};
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/*
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* Call clearing Cause and Diagnostic structure.
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*/
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struct x25_causediag {
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unsigned char cause;
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unsigned char diagnostic;
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};
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/*
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* Further optional call user data match length selection
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*/
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struct x25_subaddr {
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unsigned int cudmatchlength;
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};
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#endif
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