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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>
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI_LINUX_ERRQUEUE_H
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#define _UAPI_LINUX_ERRQUEUE_H
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#include <linux/types.h>
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struct sock_extended_err {
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__u32 ee_errno;
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__u8 ee_origin;
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__u8 ee_type;
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__u8 ee_code;
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__u8 ee_pad;
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__u32 ee_info;
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__u32 ee_data;
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};
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#define SO_EE_ORIGIN_NONE 0
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#define SO_EE_ORIGIN_LOCAL 1
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#define SO_EE_ORIGIN_ICMP 2
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#define SO_EE_ORIGIN_ICMP6 3
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#define SO_EE_ORIGIN_TXSTATUS 4
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#define SO_EE_ORIGIN_ZEROCOPY 5
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#define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS
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#define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1))
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#define SO_EE_CODE_ZEROCOPY_COPIED 1
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/**
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* struct scm_timestamping - timestamps exposed through cmsg
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*
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* The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_*
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* communicate network timestamps by passing this struct in a cmsg with
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* recvmsg(). See Documentation/networking/timestamping.txt for details.
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*/
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struct scm_timestamping {
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struct timespec ts[3];
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};
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/* The type of scm_timestamping, passed in sock_extended_err ee_info.
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* This defines the type of ts[0]. For SCM_TSTAMP_SND only, if ts[0]
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* is zero, then this is a hardware timestamp and recorded in ts[2].
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*/
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enum {
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SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */
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SCM_TSTAMP_SCHED, /* data entered the packet scheduler */
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SCM_TSTAMP_ACK, /* data acknowledged by peer */
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};
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#endif /* _UAPI_LINUX_ERRQUEUE_H */
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