Add FreeBSD kernel space header files

Move the kernel space content of some Newlib provided header files to
RTEMS and libbsd.  This allows to use the Newlib provided header files
with different FreeBSD baselines.

Update #3472.

8 files changed, 498 insertions, 0 deletions

diff --git a/cpukit/headers.am b/cpukit/headers.am
index fb6e1fc009..8f5b9ca729 100644
--- a/cpukit/headers.am
+++ b/cpukit/headers.am
@@ -67,9 +67,13 @@ include_linux_spi_HEADERS += include/linux/spi/spidev.h
 include_machinedir = $(includedir)/machine
 include_machine_HEADERS =
 include_machine_HEADERS += include/machine/_kernel_cpuset.h
+include_machine_HEADERS += include/machine/_kernel_in.h
+include_machine_HEADERS += include/machine/_kernel_in6.h
+include_machine_HEADERS += include/machine/_kernel_mman.h
 include_machine_HEADERS += include/machine/_kernel_param.h
 include_machine_HEADERS += include/machine/_kernel_time.h
 include_machine_HEADERS += include/machine/_kernel_types.h
+include_machine_HEADERS += include/machine/_kernel_uio.h
 include_machine_HEADERS += include/machine/_timecounter.h
 
 include_mghttpddir = $(includedir)/mghttpd
diff --git a/cpukit/include/machine/_kernel_in.h b/cpukit/include/machine/_kernel_in.h
new file mode 100644
index 0000000000..0dad7f534e
--- /dev/null
+++ b/cpukit/include/machine/_kernel_in.h
@@ -0,0 +1,60 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)in.h	8.3 (Berkeley) 1/3/94
+ * $FreeBSD: head/sys/netinet/in.h 326023 2017-11-20 19:43:44Z pfg $
+ */
+
+#if !defined(_NETINET_IN_H_) || !defined(_KERNEL)
+#error "must be included via <netinet/in.h> in kernel space"
+#endif
+
+struct ifnet; struct mbuf;	/* forward declarations for Standard C */
+struct in_ifaddr;
+
+int	 in_broadcast(struct in_addr, struct ifnet *);
+int	 in_ifaddr_broadcast(struct in_addr, struct in_ifaddr *);
+int	 in_canforward(struct in_addr);
+int	 in_localaddr(struct in_addr);
+int	 in_localip(struct in_addr);
+int	 in_ifhasaddr(struct ifnet *, struct in_addr);
+int	 inet_aton(const char *, struct in_addr *); /* in libkern */
+char	*inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */
+char	*inet_ntop(int, const void *, char *, socklen_t); /* in libkern */
+int	 inet_pton(int af, const char *, void *); /* in libkern */
+void	 in_ifdetach(struct ifnet *);
+
+#define	in_hosteq(s, t)	((s).s_addr == (t).s_addr)
+#define	in_nullhost(x)	((x).s_addr == INADDR_ANY)
+#define	in_allhosts(x)	((x).s_addr == htonl(INADDR_ALLHOSTS_GROUP))
+
+#define	satosin(sa)	((struct sockaddr_in *)(sa))
+#define	sintosa(sin)	((struct sockaddr *)(sin))
+#define	ifatoia(ifa)	((struct in_ifaddr *)(ifa))
diff --git a/cpukit/include/machine/_kernel_in6.h b/cpukit/include/machine/_kernel_in6.h
new file mode 100644
index 0000000000..78f4a02970
--- /dev/null
+++ b/cpukit/include/machine/_kernel_in6.h
@@ -0,0 +1,181 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	$KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $
+ */
+
+#if !defined(_NETINET6_IN6_H_) || !defined(_KERNEL)
+#error "must be included via <netinet6/in6.h> in kernel space"
+#endif
+
+/* XXX nonstandard */
+#define s6_addr8  __u6_addr.__u6_addr8
+#define s6_addr16 __u6_addr.__u6_addr16
+#define s6_addr32 __u6_addr.__u6_addr32
+
+/*
+ * Local definition for masks
+ */
+/* XXX nonstandard */
+#define IN6MASK0	{{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
+#define IN6MASK32	{{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
+			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
+#define IN6MASK64	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
+			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
+#define IN6MASK96	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
+			    0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
+#define IN6MASK128	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
+			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}}
+
+extern const struct sockaddr_in6 sa6_any;
+
+extern const struct in6_addr in6mask0;
+extern const struct in6_addr in6mask32;
+extern const struct in6_addr in6mask64;
+extern const struct in6_addr in6mask96;
+extern const struct in6_addr in6mask128;
+
+/*
+ * Macros started with IPV6_ADDR is KAME local
+ */
+/* XXX nonstandard */
+#if _BYTE_ORDER == _BIG_ENDIAN
+#define IPV6_ADDR_INT32_ONE	1
+#define IPV6_ADDR_INT32_TWO	2
+#define IPV6_ADDR_INT32_MNL	0xff010000
+#define IPV6_ADDR_INT32_MLL	0xff020000
+#define IPV6_ADDR_INT32_SMP	0x0000ffff
+#define IPV6_ADDR_INT16_ULL	0xfe80
+#define IPV6_ADDR_INT16_USL	0xfec0
+#define IPV6_ADDR_INT16_MLL	0xff02
+#elif _BYTE_ORDER == _LITTLE_ENDIAN
+#define IPV6_ADDR_INT32_ONE	0x01000000
+#define IPV6_ADDR_INT32_TWO	0x02000000
+#define IPV6_ADDR_INT32_MNL	0x000001ff
+#define IPV6_ADDR_INT32_MLL	0x000002ff
+#define IPV6_ADDR_INT32_SMP	0xffff0000
+#define IPV6_ADDR_INT16_ULL	0x80fe
+#define IPV6_ADDR_INT16_USL	0xc0fe
+#define IPV6_ADDR_INT16_MLL	0x02ff
+#endif
+
+/* XXX nonstandard */
+#define IPV6_ADDR_SCOPE_NODELOCAL	0x01
+#define IPV6_ADDR_SCOPE_INTFACELOCAL	0x01
+#define IPV6_ADDR_SCOPE_LINKLOCAL	0x02
+#define IPV6_ADDR_SCOPE_SITELOCAL	0x05
+#define IPV6_ADDR_SCOPE_ORGLOCAL	0x08	/* just used in this file */
+#define IPV6_ADDR_SCOPE_GLOBAL		0x0e
+
+#define IPV6_ADDR_MC_SCOPE(a)		((a)->s6_addr[1] & 0x0f)
+
+/* refers nonstandard items */
+#define IN6_IS_ADDR_MC_NODELOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
+#define IN6_IS_ADDR_MC_INTFACELOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL))
+#define IN6_IS_ADDR_MC_LINKLOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
+#define IN6_IS_ADDR_MC_SITELOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL))
+#define IN6_IS_ADDR_MC_ORGLOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL))
+#define IN6_IS_ADDR_MC_GLOBAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL))
+
+/* nonstandard */
+/*
+ * KAME Scope
+ */
+#define IN6_IS_SCOPE_LINKLOCAL(a)	\
+	((IN6_IS_ADDR_LINKLOCAL(a)) ||	\
+	 (IN6_IS_ADDR_MC_LINKLOCAL(a)))
+#define	IN6_IS_SCOPE_EMBED(a)			\
+	((IN6_IS_ADDR_LINKLOCAL(a)) ||		\
+	 (IN6_IS_ADDR_MC_LINKLOCAL(a)) ||	\
+	 (IN6_IS_ADDR_MC_INTFACELOCAL(a)))
+
+#define IFA6_IS_DEPRECATED(a) \
+	((a)->ia6_lifetime.ia6t_pltime != ND6_INFINITE_LIFETIME && \
+	 (u_int32_t)((time_uptime - (a)->ia6_updatetime)) > \
+	 (a)->ia6_lifetime.ia6t_pltime)
+#define IFA6_IS_INVALID(a) \
+	((a)->ia6_lifetime.ia6t_vltime != ND6_INFINITE_LIFETIME && \
+	 (u_int32_t)((time_uptime - (a)->ia6_updatetime)) > \
+	 (a)->ia6_lifetime.ia6t_vltime)
+
+#define MTAG_ABI_IPV6		1444287380	/* IPv6 ABI */
+#define IPV6_TAG_DIRECT		0		/* direct-dispatch IPv6 */
+
+/* RFC2292 options */
+#define IPV6_2292PKTINFO	19 /* bool; send/recv if, src/dst addr */
+#define IPV6_2292HOPLIMIT	20 /* bool; hop limit */
+#define IPV6_2292NEXTHOP	21 /* bool; next hop addr */
+#define IPV6_2292HOPOPTS	22 /* bool; hop-by-hop option */
+#define IPV6_2292DSTOPTS	23 /* bool; destinaion option */
+#define IPV6_2292RTHDR		24 /* bool; routing header */
+#define IPV6_2292PKTOPTIONS	25 /* buf/cmsghdr; set/get IPv6 options */
+
+#define IPV6_RECVRTHDRDSTOPTS	41 /* bool; recv dst option before rthdr */
+
+struct cmsghdr;
+struct ip6_hdr;
+
+int	in6_cksum_pseudo(struct ip6_hdr *, uint32_t, uint8_t, uint16_t);
+int	in6_cksum(struct mbuf *, u_int8_t, u_int32_t, u_int32_t);
+int	in6_cksum_partial(struct mbuf *, u_int8_t, u_int32_t, u_int32_t,
+			  u_int32_t);
+int	in6_localaddr(struct in6_addr *);
+int	in6_localip(struct in6_addr *);
+int	in6_ifhasaddr(struct ifnet *, struct in6_addr *);
+int	in6_addrscope(const struct in6_addr *);
+char	*ip6_sprintf(char *, const struct in6_addr *);
+struct	in6_ifaddr *in6_ifawithifp(struct ifnet *, struct in6_addr *);
+extern void in6_if_up(struct ifnet *);
+struct sockaddr;
+extern	u_char	ip6_protox[];
+
+void	in6_sin6_2_sin(struct sockaddr_in *sin,
+			    struct sockaddr_in6 *sin6);
+void	in6_sin_2_v4mapsin6(struct sockaddr_in *sin,
+				 struct sockaddr_in6 *sin6);
+void	in6_sin6_2_sin_in_sock(struct sockaddr *nam);
+void	in6_sin_2_v4mapsin6_in_sock(struct sockaddr **nam);
+extern void addrsel_policy_init(void);
+
+#define	satosin6(sa)	((struct sockaddr_in6 *)(sa))
+#define	sin6tosa(sin6)	((struct sockaddr *)(sin6))
+#define	ifatoia6(ifa)	((struct in6_ifaddr *)(ifa))
diff --git a/cpukit/include/machine/_kernel_mman.h b/cpukit/include/machine/_kernel_mman.h
new file mode 100644
index 0000000000..17560c138c
--- /dev/null
+++ b/cpukit/include/machine/_kernel_mman.h
@@ -0,0 +1,37 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mman.h	8.2 (Berkeley) 1/9/95
+ * $FreeBSD: head/sys/sys/mman.h 326023 2017-11-20 19:43:44Z pfg $
+ */
+
+#if !defined(_SYS_MMAN_H_) || !defined(_KERNEL)
+#error "must be included via <sys/mman.h> in kernel space"
+#endif
diff --git a/cpukit/include/machine/_kernel_uio.h b/cpukit/include/machine/_kernel_uio.h
new file mode 100644
index 0000000000..c73fa6d299
--- /dev/null
+++ b/cpukit/include/machine/_kernel_uio.h
@@ -0,0 +1,87 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1982, 1986, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)uio.h	8.5 (Berkeley) 2/22/94
+ * $FreeBSD: head/sys/sys/uio.h 331621 2018-03-27 15:20:03Z brooks $
+ */
+
+#if !defined(_SYS_UIO_H_) || !defined(_KERNEL)
+#error "must be included via <sys/uio.h> in kernel space"
+#endif
+
+struct uio {
+	struct	iovec *uio_iov;		/* scatter/gather list */
+	int	uio_iovcnt;		/* length of scatter/gather list */
+	off_t	uio_offset;		/* offset in target object */
+	ssize_t	uio_resid;		/* remaining bytes to process */
+	enum	uio_seg uio_segflg;	/* address space */
+	enum	uio_rw uio_rw;		/* operation */
+	struct	thread *uio_td;		/* owner */
+};
+
+/*
+ * Limits
+ *
+ * N.B.: UIO_MAXIOV must be no less than IOV_MAX from <sys/syslimits.h>
+ * which in turn must be no less than _XOPEN_IOV_MAX from <limits.h>.  If
+ * we ever make this tunable (probably pointless), then IOV_MAX should be
+ * removed from <sys/syslimits.h> and applications would be expected to use
+ * sysconf(3) to find out the correct value, or else assume the worst
+ * (_XOPEN_IOV_MAX).  Perhaps UIO_MAXIOV should be simply defined as
+ * IOV_MAX.
+ */
+#define UIO_MAXIOV	1024		/* max 1K of iov's */
+
+struct vm_object;
+struct vm_page;
+struct bus_dma_segment;
+
+struct uio *cloneuio(struct uio *uiop);
+int	copyinfrom(const void * __restrict src, void * __restrict dst,
+	    size_t len, int seg);
+int	copyiniov(const struct iovec *iovp, u_int iovcnt, struct iovec **iov,
+	    int error);
+int	copyinstrfrom(const void * __restrict src, void * __restrict dst,
+	    size_t len, size_t * __restrict copied, int seg);
+int	copyinuio(const struct iovec *iovp, u_int iovcnt, struct uio **uiop);
+int	copyout_map(struct thread *td, vm_offset_t *addr, size_t sz);
+int	copyout_unmap(struct thread *td, vm_offset_t addr, size_t sz);
+int	physcopyin(void *src, vm_paddr_t dst, size_t len);
+int	physcopyout(vm_paddr_t src, void *dst, size_t len);
+int	physcopyin_vlist(struct bus_dma_segment *src, off_t offset,
+	    vm_paddr_t dst, size_t len);
+int	physcopyout_vlist(vm_paddr_t src, struct bus_dma_segment *dst,
+	    off_t offset, size_t len);
+int	uiomove(void *cp, int n, struct uio *uio);
+int	uiomove_frombuf(void *buf, int buflen, struct uio *uio);
+int	uiomove_fromphys(struct vm_page *ma[], vm_offset_t offset, int n,
+	    struct uio *uio);
+int	uiomove_nofault(void *cp, int n, struct uio *uio);
+int	uiomove_object(struct vm_object *obj, off_t obj_size, struct uio *uio);
diff --git a/cpukit/libnetworking/headers.am b/cpukit/libnetworking/headers.am
index b558d4b416..69fbbb9021 100644
--- a/cpukit/libnetworking/headers.am
+++ b/cpukit/libnetworking/headers.am
@@ -20,7 +20,9 @@ include_dev_mii_HEADERS += dev/mii/mii.h
 include_machinedir = $(includedir)/machine
 include_machine_HEADERS =
 include_machine_HEADERS += machine/_align.h
+include_machine_HEADERS += machine/_kernel_if.h
 include_machine_HEADERS += machine/_kernel_lock.h
+include_machine_HEADERS += machine/_kernel_socket.h
 include_machine_HEADERS += machine/cpu.h
 include_machine_HEADERS += machine/cpufunc.h
 include_machine_HEADERS += machine/in_cksum.h
diff --git a/cpukit/libnetworking/machine/_kernel_if.h b/cpukit/libnetworking/machine/_kernel_if.h
new file mode 100644
index 0000000000..b360a41b27
--- /dev/null
+++ b/cpukit/libnetworking/machine/_kernel_if.h
@@ -0,0 +1,44 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1982, 1986, 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)if.h	8.1 (Berkeley) 6/10/93
+ * $FreeBSD: head/sys/net/if.h 333502 2018-05-11 20:08:28Z mmacy $
+ */
+
+#if !defined(_NET_IF_H_) || !defined(_KERNEL)
+#error "must be included via <net/if.h> in kernel space"
+#endif
+
+#ifdef MALLOC_DECLARE
+MALLOC_DECLARE(M_IFADDR);
+MALLOC_DECLARE(M_IFMADDR);
+#endif
+
+#define	ifr_data	ifr_ifru.ifru_data	/* for use by interface */
diff --git a/cpukit/libnetworking/machine/_kernel_socket.h b/cpukit/libnetworking/machine/_kernel_socket.h
new file mode 100644
index 0000000000..e9acc744f3
--- /dev/null
+++ b/cpukit/libnetworking/machine/_kernel_socket.h
@@ -0,0 +1,83 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)socket.h	8.4 (Berkeley) 2/21/94
+ * $FreeBSD: head/sys/sys/socket.h 334719 2018-06-06 15:45:57Z sbruno $
+ */
+
+#if !defined(_SYS_SOCKET_H_) || !defined(_KERNEL)
+#error "must be included via <sys/socket.h> in kernel space"
+#endif
+
+/*
+ * Flags for accept1(), kern_accept4() and solisten_dequeue, in addition
+ * to SOCK_CLOEXEC and SOCK_NONBLOCK.
+ */
+#define ACCEPT4_INHERIT 0x1
+#define ACCEPT4_COMPAT  0x2
+
+#define	MSG_SOCALLBCK    0x00010000	/* for use by socket callbacks - soreceive (TCP) */
+
+#define	MSG_MORETOCOME	 0x00100000	/* additional data pending */
+
+#define	CMSG_ALIGN(n)	_ALIGN(n)
+
+#define	SF_READAHEAD(flags)	((flags) >> 16)
+
+struct socket;
+
+struct tcpcb *so_sototcpcb(struct socket *so);
+struct inpcb *so_sotoinpcb(struct socket *so);
+struct sockbuf *so_sockbuf_snd(struct socket *);
+struct sockbuf *so_sockbuf_rcv(struct socket *);
+
+int so_state_get(const struct socket *);
+void so_state_set(struct socket *, int);
+
+int so_options_get(const struct socket *);
+void so_options_set(struct socket *, int);
+
+int so_error_get(const struct socket *);
+void so_error_set(struct socket *, int);
+
+int so_linger_get(const struct socket *);
+void so_linger_set(struct socket *, int);
+
+struct protosw *so_protosw_get(const struct socket *);
+void so_protosw_set(struct socket *, struct protosw *);
+
+void so_sorwakeup_locked(struct socket *so);
+void so_sowwakeup_locked(struct socket *so);
+
+void so_sorwakeup(struct socket *so);
+void so_sowwakeup(struct socket *so);
+
+void so_lock(struct socket *so);
+void so_unlock(struct socket *so);