sys/compat: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - er

sys/compat: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

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To reduce code duplication move socket defines to the MI path.

MFC after: 1 week

Hide Linux socketcall constants under corresponding #ifdef since
they are used only in i386 Linuxulator.

MFC after: 1 week

Merge ^/head r313896 through r314128.

Finich r313684.

Convert linux_recv(), linux_send() and linux_accept() system call arguments
to the register_t type too.

PR: 217161
MFC after: 3 days
xMFC with: r313284,r313285,r313684

MFhead@r313360

Merge ^/head r313055 through r313300.

Update syscall.master to 4.10-rc6. Also fix comments, a typo,
and wrong numbering for a few unimplemented syscalls.

For 32-bit Linuxulator, socketcall() syscall was historically
the entry point for

Update syscall.master to 4.10-rc6. Also fix comments, a typo,
and wrong numbering for a few unimplemented syscalls.

For 32-bit Linuxulator, socketcall() syscall was historically
the entry point for the sockets API. Starting in Linux 4.3, direct
syscalls are provided for the sockets API. Enable it.

The initial version of patch was provided by trasz@ and extended by me.

Submitted by: trasz
MFC after: 2 week
Differential Revision: https://reviews.freebsd.org/D9381

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sys/compat/linux*: spelling fixes.

Mostly on comments but there are some user-visible messages as well.

MFC after: 2 weeks

MFH

Sponsored by: The FreeBSD Foundation

Add support for IPPROTO_IPV6 socket layer for getsockopt/setsockopt calls.
Also add mapping for several options from RFC 3493 and 3542.

Reviewed by: dchagin
Tested by: Joe Love <joe at getsomwhere d

Add support for IPPROTO_IPV6 socket layer for getsockopt/setsockopt calls.
Also add mapping for several options from RFC 3493 and 3542.

Reviewed by: dchagin
Tested by: Joe Love <joe at getsomwhere dot net>
MFC after: 2 weeks

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Catch up with HEAD (r280229-r284686).

MFH: r282615-r283655

Sponsored by: The FreeBSD Foundation

Convert SCM_TIMESTAMP in recvmsg().

Implement recvmmsg() and sendmmsg() system calls.

Reduce duplication between MD Linux code by moving msg related
struct definitions out into the compat/linux/linux_socket.h

64-bit paltforms, like x86_64, do not use multiplexing on
socketcall system calls.

Differential Revision: https://reviews.freebsd.org/D1065
Reviewed by: trasz

Merge fresh head.

IFC @247348.

Sync with HEAD.

Reduce duplication between i386/linux/linux.h and amd64/linux32/linux.h
by moving bits that are MI out into headers in compat/linux.

Reviewed by: Chagin Dmitry dmitry | gmail
MFC after: 2 weeks

linux compat: improve and fix sendmsg/recvmsg compatibility

- implement baseic stubs for capget, capset, prctl PR_GET_KEEPCAPS
and prctl PR_SET_KEEPCAPS.
- add SCM_CREDS support to sendmsg and rec

linux compat: improve and fix sendmsg/recvmsg compatibility

- implement baseic stubs for capget, capset, prctl PR_GET_KEEPCAPS
and prctl PR_SET_KEEPCAPS.
- add SCM_CREDS support to sendmsg and recvmsg
- modify sendmsg to ignore control messages if not using UNIX
domain sockets

This should allow linux pulse audio daemon and client work on FreeBSD
and interoperate with native counter-parts modulo the differences in
pulseaudio versions.

PR: kern/149168
Submitted by: John Wehle <john@feith.com>
Reviewed by: netchild
MFC after: 2 weeks

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Merge from head

Merge from HEAD

Implement MSG_CMSG_CLOEXEC flag for linux_recvmsg().

Approved by: kib (mentor)
MFC after: 1 month