[rtems-libbsd commit] Add FreeBSD kernel space header files

[Sebastian Huber]

Module:    rtems-libbsd
Branch:    master
Commit:    4c22b5c1f25db9de7fc0022a3815eaa8b2500314
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=4c22b5c1f25db9de7fc0022a3815eaa8b2500314

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Thu Aug  9 08:00:16 2018 +0200

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.

---

 rtemsbsd/include/machine/_kernel_if.h     | 48 ++++++++++++++++++
 rtemsbsd/include/machine/_kernel_socket.h | 83 +++++++++++++++++++++++++++++++
 2 files changed, 131 insertions(+)

diff --git a/rtemsbsd/include/machine/_kernel_if.h b/rtemsbsd/include/machine/_kernel_if.h
new file mode 100644
index 0000000..0808665
--- /dev/null
+++ b/rtemsbsd/include/machine/_kernel_if.h
@@ -0,0 +1,48 @@
+/*-
+ * 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_buffer	ifr_ifru.ifru_buffer	/* user supplied buffer with its length */
+#define	ifr_data	ifr_ifru.ifru_data	/* for use by interface */
+
+#define ifgr_group	ifgr_ifgru.ifgru_group
+#define ifgr_groups	ifgr_ifgru.ifgru_groups
diff --git a/rtemsbsd/include/machine/_kernel_socket.h b/rtemsbsd/include/machine/_kernel_socket.h
new file mode 100644
index 0000000..e9acc74
--- /dev/null
+++ b/rtemsbsd/include/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);