1 files changed, 248 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_socket.h b/sys/compat/linux/linux_socket.h
new file mode 100644
index 000000000000..88ecfb819133
--- /dev/null
+++ b/sys/compat/linux/linux_socket.h
@@ -0,0 +1,248 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2000 Assar Westerlund
+ * 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 
+ *    in this position and unchanged.
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _LINUX_SOCKET_H_
+#define _LINUX_SOCKET_H_
+
+/* msg flags in recvfrom/recvmsg */
+
+#define LINUX_MSG_OOB		0x01
+#define LINUX_MSG_PEEK		0x02
+#define LINUX_MSG_DONTROUTE	0x04
+#define LINUX_MSG_CTRUNC	0x08
+#define LINUX_MSG_PROXY		0x10
+#define LINUX_MSG_TRUNC		0x20
+#define LINUX_MSG_DONTWAIT	0x40
+#define LINUX_MSG_EOR		0x80
+#define LINUX_MSG_WAITALL	0x100
+#define LINUX_MSG_FIN		0x200
+#define LINUX_MSG_SYN		0x400
+#define LINUX_MSG_CONFIRM	0x800
+#define LINUX_MSG_RST		0x1000
+#define LINUX_MSG_ERRQUEUE	0x2000
+#define LINUX_MSG_NOSIGNAL	0x4000
+#define LINUX_MSG_WAITFORONE	0x10000
+#define LINUX_MSG_CMSG_CLOEXEC	0x40000000
+
+/* Socket-level control message types */
+
+#define LINUX_SCM_RIGHTS	0x01
+#define LINUX_SCM_CREDENTIALS	0x02
+#define LINUX_SCM_TIMESTAMP	0x1D
+
+struct l_msghdr {
+	l_uintptr_t	msg_name;
+	l_int		msg_namelen;
+	l_uintptr_t	msg_iov;
+	l_size_t	msg_iovlen;
+	l_uintptr_t	msg_control;
+	l_size_t	msg_controllen;
+	l_uint		msg_flags;
+};
+
+struct l_mmsghdr {
+	struct l_msghdr	msg_hdr;
+	l_uint		msg_len;
+
+};
+
+struct l_cmsghdr {
+	l_size_t	cmsg_len;
+	l_int		cmsg_level;
+	l_int		cmsg_type;
+};
+
+/* Ancillary data object information macros */
+
+#define LINUX_CMSG_ALIGN(len)	roundup2(len, sizeof(l_ulong))
+#define LINUX_CMSG_DATA(cmsg)	((void *)((char *)(cmsg) + \
+				    LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr))))
+#define LINUX_CMSG_SPACE(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
+				    LINUX_CMSG_ALIGN(len))
+#define LINUX_CMSG_LEN(len)	(LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
+				    (len))
+#define LINUX_CMSG_FIRSTHDR(msg) \
+				((msg)->msg_controllen >= \
+				    sizeof(struct l_cmsghdr) ? \
+				    (struct l_cmsghdr *) \
+				        PTRIN((msg)->msg_control) : \
+				    (struct l_cmsghdr *)(NULL))
+#define LINUX_CMSG_NXTHDR(msg, cmsg) \
+				((((char *)(cmsg) + \
+				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
+				    sizeof(*(cmsg))) > \
+				    (((char *)PTRIN((msg)->msg_control)) + \
+				    (msg)->msg_controllen)) ? \
+				    (struct l_cmsghdr *) NULL : \
+				    (struct l_cmsghdr *)((char *)(cmsg) + \
+				    LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
+
+#define CMSG_HDRSZ		CMSG_LEN(0)
+#define L_CMSG_HDRSZ		LINUX_CMSG_LEN(0)
+
+/* Supported socket types */
+
+#define	LINUX_SOCK_STREAM	1
+#define	LINUX_SOCK_DGRAM	2
+#define	LINUX_SOCK_RAW		3
+#define	LINUX_SOCK_RDM		4
+#define	LINUX_SOCK_SEQPACKET	5
+
+#define	LINUX_SOCK_MAX		LINUX_SOCK_SEQPACKET
+
+#define	LINUX_SOCK_TYPE_MASK	0xf
+
+/* Flags for socket, socketpair, accept4 */
+
+#define	LINUX_SOCK_CLOEXEC	LINUX_O_CLOEXEC
+#define	LINUX_SOCK_NONBLOCK	LINUX_O_NONBLOCK
+
+struct l_ucred {
+	uint32_t	pid;
+	uint32_t	uid;
+	uint32_t	gid;
+};
+
+#if defined(__i386__) || defined(__arm__) || \
+    (defined(__amd64__) && defined(COMPAT_LINUX32))
+
+struct linux_accept_args {
+	register_t s;
+	register_t addr;
+	register_t namelen;
+};
+
+int linux_accept(struct thread *td, struct linux_accept_args *args);
+
+/* Operations for socketcall */
+#define	LINUX_SOCKET		1
+#define	LINUX_BIND		2
+#define	LINUX_CONNECT		3
+#define	LINUX_LISTEN		4
+#define	LINUX_ACCEPT		5
+#define	LINUX_GETSOCKNAME	6
+#define	LINUX_GETPEERNAME	7
+#define	LINUX_SOCKETPAIR	8
+#define	LINUX_SEND		9
+#define	LINUX_RECV		10
+#define	LINUX_SENDTO		11
+#define	LINUX_RECVFROM		12
+#define	LINUX_SHUTDOWN		13
+#define	LINUX_SETSOCKOPT	14
+#define	LINUX_GETSOCKOPT	15
+#define	LINUX_SENDMSG		16
+#define	LINUX_RECVMSG		17
+#define	LINUX_ACCEPT4		18
+#define	LINUX_RECVMMSG		19
+#define	LINUX_SENDMMSG		20
+#define	LINUX_SENDFILE		21
+
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
+
+/* Socket defines */
+#define	LINUX_SOL_SOCKET	1
+
+#define	LINUX_SO_DEBUG		1
+#define	LINUX_SO_REUSEADDR	2
+#define	LINUX_SO_TYPE		3
+#define	LINUX_SO_ERROR		4
+#define	LINUX_SO_DONTROUTE	5
+#define	LINUX_SO_BROADCAST	6
+#define	LINUX_SO_SNDBUF		7
+#define	LINUX_SO_RCVBUF		8
+#define	LINUX_SO_KEEPALIVE	9
+#define	LINUX_SO_OOBINLINE	10
+#define	LINUX_SO_NO_CHECK	11
+#define	LINUX_SO_PRIORITY	12
+#define	LINUX_SO_LINGER		13
+#define	LINUX_SO_REUSEPORT	15
+#ifndef LINUX_SO_PASSCRED	/* powerpc differs */
+#define	LINUX_SO_PASSCRED	16
+#define	LINUX_SO_PEERCRED	17
+#define	LINUX_SO_RCVLOWAT	18
+#define	LINUX_SO_SNDLOWAT	19
+#define	LINUX_SO_RCVTIMEO	20
+#define	LINUX_SO_SNDTIMEO	21
+#endif
+#define	LINUX_SO_TIMESTAMP	29
+#define	LINUX_SO_ACCEPTCONN	30
+#define	LINUX_SO_SNDBUFFORCE	32
+#define	LINUX_SO_RCVBUFFORCE	33
+#define	LINUX_SO_PROTOCOL	38
+
+/* Socket options */
+#define	LINUX_IP_TOS		1
+#define	LINUX_IP_TTL		2
+#define	LINUX_IP_HDRINCL	3
+#define	LINUX_IP_OPTIONS	4
+#define	LINUX_IP_RECVERR	11
+
+#define	LINUX_IP_MULTICAST_IF		32
+#define	LINUX_IP_MULTICAST_TTL		33
+#define	LINUX_IP_MULTICAST_LOOP		34
+#define	LINUX_IP_ADD_MEMBERSHIP		35
+#define	LINUX_IP_DROP_MEMBERSHIP	36
+
+#define	LINUX_IPV6_CHECKSUM		7
+#define	LINUX_IPV6_NEXTHOP		9
+#define	LINUX_IPV6_UNICAST_HOPS		16
+#define	LINUX_IPV6_MULTICAST_IF		17
+#define	LINUX_IPV6_MULTICAST_HOPS	18
+#define	LINUX_IPV6_MULTICAST_LOOP	19
+#define	LINUX_IPV6_ADD_MEMBERSHIP	20
+#define	LINUX_IPV6_DROP_MEMBERSHIP	21
+#define	LINUX_IPV6_V6ONLY		26
+
+#define	LINUX_IPV6_RECVPKTINFO		49
+#define	LINUX_IPV6_PKTINFO		50
+#define	LINUX_IPV6_RECVHOPLIMIT		51
+#define	LINUX_IPV6_HOPLIMIT		52
+#define	LINUX_IPV6_RECVHOPOPTS		53
+#define	LINUX_IPV6_HOPOPTS		54
+#define	LINUX_IPV6_RTHDRDSTOPTS		55
+#define	LINUX_IPV6_RECVRTHDR		56
+#define	LINUX_IPV6_RTHDR		57
+#define	LINUX_IPV6_RECVDSTOPTS		58
+#define	LINUX_IPV6_DSTOPTS		59
+#define	LINUX_IPV6_RECVPATHMTU		60
+#define	LINUX_IPV6_PATHMTU		61
+#define	LINUX_IPV6_DONTFRAG		62
+
+#define	LINUX_TCP_NODELAY	1
+#define	LINUX_TCP_MAXSEG	2
+#define	LINUX_TCP_CORK		3
+#define	LINUX_TCP_KEEPIDLE	4
+#define	LINUX_TCP_KEEPINTVL	5
+#define	LINUX_TCP_KEEPCNT	6
+#define	LINUX_TCP_MD5SIG	14
+
+#endif /* _LINUX_SOCKET_H_ */