remove the Linux emulation code, no longer referenced by anything

1 files changed, 0 insertions, 1511 deletions

diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c
deleted file mode 100644
index 1777f1fd43b..00000000000
--- a/sys/compat/linux/linux_socket.c
+++ /dev/null
@@ -1,1511 +0,0 @@
-/*	$OpenBSD: linux_socket.c,v 1.61 2015/05/06 08:52:17 mpi Exp $	*/
-/*	$NetBSD: linux_socket.c,v 1.14 1996/04/05 00:01:50 christos Exp $	*/
-
-/*
- * Copyright (c) 1995 Frank van der Linden
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *      This product includes software developed for the NetBSD Project
- *      by Frank van der Linden
- * 4. 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.
- */
-
-#include <sys/param.h>
-#include <sys/domain.h>
-#include <sys/kernel.h>
-#include <sys/systm.h>
-#include <sys/buf.h>
-#include <sys/malloc.h>
-#include <sys/ioctl.h>
-#include <sys/tty.h>
-#include <sys/file.h>
-#include <sys/filedesc.h>
-#include <sys/mbuf.h>
-#include <sys/selinfo.h>
-#include <sys/protosw.h>
-#include <sys/socket.h>
-#include <sys/socketvar.h>
-#include <sys/un.h>
-#include <net/if.h>
-#include <net/if_var.h>
-#include <net/if_types.h>
-#include <net/if_dl.h>
-#include <netinet/in.h>
-#include <netinet/ip.h>
-#include <netinet/tcp.h>
-#include <sys/mount.h>
-#include <sys/proc.h>
-#include <sys/vnode.h>
-#include <sys/device.h>
-
-#include <sys/syscallargs.h>
-
-#include <compat/linux/linux_types.h>
-#include <compat/linux/linux_util.h>
-#include <compat/linux/linux_signal.h>
-#include <compat/linux/linux_syscallargs.h>
-#include <compat/linux/linux_ioctl.h>
-#include <compat/linux/linux_socket.h>
-#include <compat/linux/linux_socketcall.h>
-#include <compat/linux/linux_sockio.h>
-
-/*
- * All the calls in this file are entered via one common system
- * call in Linux, represented here by linux_socketcall().
- * Arguments for the various calls are on the user stack. A pointer
- * to them is the only thing that is passed. It is up to the various
- * calls to copy them in themselves. To make it look better, they
- * are copied to structures.
- */
-
-static int linux_to_bsd_domain (int);
-static int bsd_to_linux_domain(int);
-
-static int linux_to_bsd_msg_flags(int);
-
-int linux_socket(struct proc *, void *, register_t *);
-int linux_bind(struct proc *, void *, register_t *);
-int linux_connect(struct proc *, void *, register_t *);
-int linux_listen(struct proc *, void *, register_t *);
-int linux_accept(struct proc *, void *, register_t *);
-int linux_getsockname(struct proc *, void *, register_t *);
-int linux_getpeername(struct proc *, void *, register_t *);
-int linux_socketpair(struct proc *, void *, register_t *);
-int linux_send(struct proc *, void *, register_t *);
-int linux_recv(struct proc *, void *, register_t *);
-int linux_sendto(struct proc *, void *, register_t *);
-int linux_recvfrom(struct proc *, void *, register_t *);
-int linux_shutdown(struct proc *, void *, register_t *);
-int linux_to_bsd_sopt_level(int);
-int linux_to_bsd_so_sockopt(int);
-int linux_to_bsd_ip_sockopt(int);
-int linux_to_bsd_tcp_sockopt(int);
-int linux_to_bsd_udp_sockopt(int);
-int linux_setsockopt(struct proc *, void *, register_t *);
-int linux_getsockopt(struct proc *, void *, register_t *);
-int linux_recvmsg(struct proc *, void *, register_t *);
-int linux_sendmsg(struct proc *, void *, register_t *);
-
-int linux_check_hdrincl(struct proc *, int, register_t *, caddr_t *);
-int linux_sendto_hdrincl(struct proc *, struct sys_sendto_args *,
-    register_t *, caddr_t *);
-
-int linux_sa_get(struct proc *, caddr_t *, struct sockaddr **,
-    const struct linux_sockaddr *, int *);
-int linux_sa_put(struct sockaddr *);
-
-static const int linux_to_bsd_domain_[LINUX_AF_MAX] = {
-	AF_UNSPEC,
-	AF_UNIX,
-	AF_INET,
-	-1,		/* LINUX_AF_AX25 */
-	-1,		/* IPX */
-	-1		/* APPLETALK */
-	-1,		/* LINUX_AF_NETROM */
-	-1,		/* LINUX_AF_BRIDGE */
-	-1,		/* LINUX_AF_ATMPVC */
-	-1,		/* LINUX_AF_X25 */
-	AF_INET6,
-	-1,		/* LINUX_AF_ROSE */
-	AF_DECnet,
-	-1,		/* LINUX_AF_NETBEUI */
-	-1,		/* LINUX_AF_SECURITY */
-	-1,		/* pseudo_AF_KEY */
-	AF_ROUTE,	/* LINUX_AF_NETLINK */
-	-1,		/* LINUX_AF_PACKET */
-	-1,		/* LINUX_AF_ASH */
-	-1,		/* LINUX_AF_ECONET */
-	-1,		/* LINUX_AF_ATMSVC */
-	AF_SNA,
-	/* rest up to LINUX_AF_MAX-1 is not allocated */
-	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-};
-
-static const int bsd_to_linux_domain_[AF_MAX] = {
-	LINUX_AF_UNSPEC,
-	LINUX_AF_UNIX,
-	LINUX_AF_INET,
-	-1,		/* AF_IMPLINK */
-	-1,		/* AF_PUP */
-	-1,		/* AF_CHAOS */
-	-1,		/* AF_NS */
-	-1,		/* AF_ISO */
-	-1,		/* AF_ECMA */
-	-1,		/* AF_DATAKIT */
-	-1,		/* AF_CCITT */
-	-1,		/* LINUX_AF_SNA */
-	-1,		/* LINUX_AF_DECnet */
-	-1,		/* AF_DLI */
-	-1,		/* AF_LAT */
-	-1,		/* AF_HYLINK */
-	LINUX_AF_APPLETALK,
-	-1,		/* LINUX_AF_NETLINK */
-	-1,		/* AF_LINK */
-	-1,		/* AF_XTP */
-	-1,		/* AF_COIP */
-	-1,		/* AF_CNT */
-	-1,		/* pseudo_AF_RTIP */
-	LINUX_AF_IPX,
-	LINUX_AF_INET6,
-	-1,		/* pseudo_AF_PIP */
-	-1,		/* AF_ISDN */
-	-1,		/* AF_NATM */
-	-1,		/* AF_ARP */
-	-1,		/* LINUX_pseudo_AF_KEY */
-	-1,		/* pseudo_AF_HDRCMPLT */
-};
-
-/*
- * Convert from Linux to BSD socket domain values
- */
-static int
-linux_to_bsd_domain(ldom)
-	int ldom;
-{
-	if (ldom < 0 || ldom >= LINUX_AF_MAX)
-		return (-1);
-
-	return linux_to_bsd_domain_[ldom];
-}
-
-/*
- * Convert from BSD to Linux socket domain values
- */
-static int
-bsd_to_linux_domain(bdom)
-	int bdom;
-{
-	if (bdom < 0 || bdom >= AF_MAX)
-		return (-1);
-
-	return bsd_to_linux_domain_[bdom];
-}
-
-/*
- * Convert from Linux to BSD MSG_XXX flags
- */
-static int
-linux_to_bsd_msg_flags(int lflags)
-{
-	int flags = 0;
-
-	if (lflags & LINUX_MSG_OOB)
-		flags |= MSG_OOB;
-	if (lflags & LINUX_MSG_PEEK)
-		flags |= MSG_PEEK;
-	if (lflags & LINUX_MSG_DONTWAIT)
-		flags |= MSG_DONTWAIT;
-	if (lflags & LINUX_MSG_WAITALL)
-		flags |= MSG_WAITALL;
-	if (lflags & LINUX_MSG_NOSIGNAL)
-		flags |= MSG_NOSIGNAL;
-	return (flags);
-}
-
-int
-linux_socket(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_socket_args /* {
-		syscallarg(int)	domain;
-		syscallarg(int)	type;
-		syscallarg(int) protocol;
-	} */ *uap = v;
-	struct linux_socket_args lsa;
-	struct sys_socket_args bsa;
-	int error;
-
-	if ((error = copyin(uap, &lsa, sizeof lsa)))
-		return error;
-
-	SCARG(&bsa, protocol) = lsa.protocol;
-	SCARG(&bsa, type) = lsa.type & LINUX_SOCKET_TYPE_MASK;
-	SCARG(&bsa, domain) = linux_to_bsd_domain(lsa.domain);
-	if (SCARG(&bsa, domain) == -1)
-		return (EINVAL);
-
-	if (lsa.type & ~(LINUX_SOCKET_TYPE_MASK | LINUX_SOCK_CLOEXEC |
-	    LINUX_SOCK_NONBLOCK))
-		return (EINVAL);
-	if (lsa.type & LINUX_SOCK_CLOEXEC)
-		SCARG(&bsa, type) |= SOCK_CLOEXEC;
-	if (lsa.type & LINUX_SOCK_NONBLOCK)
-		SCARG(&bsa, type) |= SOCK_NONBLOCK;
-
-	return (sys_socket(p, &bsa, retval));
-}
-
-int
-linux_bind(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_bind_args /* {
-		syscallarg(int)	s;
-		syscallarg(struct linux_sockaddr *) name;
-		syscallarg(int)	namelen;
-	} */ *uap = v;
-	struct linux_bind_args lba;
-	struct sys_bind_args bba;
-	int error;
-	int namlen;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lba, sizeof lba)))
-		return error;
-
-	SCARG(&bba, s) = lba.s;
-	namlen = lba.namelen;
-	if (lba.name) {
-		struct sockaddr *sa;
-		caddr_t sg = stackgap_init(p);
-
-		error = linux_sa_get(p, &sg, &sa, lba.name, &namlen);
-		if (error)
-			return (error);
-		SCARG(&bba, name) = sa;
-	} else
-		SCARG(&bba, name) = NULL;
-	SCARG(&bba, namelen) = namlen;
-
-	return sys_bind(p, &bba, retval);
-}
-
-int
-linux_connect(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_connect_args /* {
-		syscallarg(int)	s;
-		syscallarg(struct linux_sockaddr *) name;
-		syscallarg(int)	namelen;
-	} */ *uap = v;
-	struct linux_connect_args lca;
-	struct sys_connect_args bca;
-	struct sockaddr *sa;
-	caddr_t sg = stackgap_init(p);
-	int namlen;
-	int error;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lca, sizeof lca)))
-		return error;
-
-	namlen = lca.namelen;
-	error = linux_sa_get(p, &sg, &sa, lca.name, &namlen);
-	if (error)
-		return (error);
-
-	SCARG(&bca, s) = lca.s;
-	SCARG(&bca, name) = sa;
-	SCARG(&bca, namelen) = (unsigned int)namlen;
-
-	error = sys_connect(p, &bca, retval);
-
-	if (error == EISCONN) {
-		struct sys_getsockopt_args bga;
-#if 0
-		struct sys_fcntl_args fca;
-#endif
-		void *status, *statusl;
-		int stat, statl = sizeof stat;
-
-#if 0
-		SCARG(&fca, fd) = lca.s;
-		SCARG(&fca, cmd) = F_GETFL;
-		SCARG(&fca, arg) = 0;
-		if (sys_fcntl(p, &fca, retval) == -1 ||
-		    (*retval & O_NONBLOCK) == 0)
-			return error;
-#endif
-
-		status = stackgap_alloc(&sg, sizeof stat);
-		statusl = stackgap_alloc(&sg, sizeof statl);
-
-		if ((error = copyout(&statl, statusl, sizeof statl)))
-			return error;
-
-		SCARG(&bga, s) = lca.s;
-		SCARG(&bga, level) = SOL_SOCKET;
-		SCARG(&bga, name) = SO_ERROR;
-		SCARG(&bga, val) = status;
-		SCARG(&bga, avalsize) = statusl;
-		
-		error = sys_getsockopt(p, &bga, retval);
-		if (error)
-			return error;
-		if ((error = copyin(status, &stat, sizeof stat)))
-			return error;
-		return stat;
-	}
-	return error;
-}
-
-int
-linux_listen(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_listen_args /* {
-		syscallarg(int) s;
-		syscallarg(int) backlog;
-	} */ *uap = v;
-	struct linux_listen_args lla;
-	struct sys_listen_args bla;
-	int error;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lla, sizeof lla)))
-		return error;
-
-	SCARG(&bla, s) = lla.s;
-	SCARG(&bla, backlog) = lla.backlog;
-
-	return sys_listen(p, &bla, retval);
-}
-
-int
-linux_accept(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_accept_args /* {
-		syscallarg(int) s;
-		syscallarg(struct sockaddr *) addr;
-		syscallarg(int *) namelen;
-	} */ *uap = v;
-	struct linux_accept_args laa;
-	int error;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &laa, sizeof laa)))
-		return error;
-
-	if ((error = doaccept(p, laa.s, laa.addr, laa.namelen, 0, retval)))
-		return (error);
-
-	return (linux_sa_put(laa.addr));
-}
-
-int
-linux_getsockname(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_getsockname_args /* {
-		syscallarg(int) s;
-		syscallarg(struct sockaddr *) addr;
-		syscallarg(int *) namelen;
-	} */ *uap = v;
-	struct linux_getsockname_args lga;
-	struct sys_getsockname_args bga;
-	int error;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lga, sizeof lga)))
-		return error;
-
-	SCARG(&bga, fdes) = lga.s;
-	SCARG(&bga, asa)  = lga.addr;
-	SCARG(&bga, alen) = lga.namelen;
-
-	error = sys_getsockname(p, &bga, retval);
-	if (error)
-		return (error);
-
-	return (linux_sa_put(lga.addr));
-}
-
-int
-linux_getpeername(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_getpeername_args /* {
-		syscallarg(int) s;
-		syscallarg(struct sockaddr *) addr;
-		syscallarg(int *) namelen;
-	} */ *uap = v;
-	struct linux_getpeername_args lga;
-	struct sys_getpeername_args bga;
-	int error;
-
-	if ((error = copyin(uap, &lga, sizeof lga)))
-		return error;
-
-	SCARG(&bga, fdes) = lga.s;
-	SCARG(&bga, asa)  = lga.addr;
-	SCARG(&bga, alen) = lga.namelen;
-
-	error = sys_getpeername(p, &bga, retval);
-	if (error)
-		return (error);
-
-	return (linux_sa_put(lga.addr));
-}
-
-int
-linux_socketpair(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_socketpair_args /* {
-		syscallarg(int) domain;
-		syscallarg(int) type;
-		syscallarg(int) protocol;
-		syscallarg(int *) rsv;
-	} */ *uap = v;
-	struct linux_socketpair_args lsa;
-	struct sys_socketpair_args bsa;
-	int error;
-
-	if ((error = copyin((caddr_t) uap, &lsa, sizeof lsa)))
-		return error;
-
-	SCARG(&bsa, domain) = linux_to_bsd_domain(lsa.domain);
-	if (SCARG(&bsa, domain) == -1)
-		return EINVAL;
-	SCARG(&bsa, type) = lsa.type;
-	SCARG(&bsa, protocol) = lsa.protocol;
-	SCARG(&bsa, rsv) = lsa.rsv;
-
-	return sys_socketpair(p, &bsa, retval);
-}
-
-int
-linux_send(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_send_args /* {
-		syscallarg(int) s;
-		syscallarg(void *) msg;
-		syscallarg(int) len;
-		syscallarg(int) flags;
-	} */ *uap = v;
-	struct linux_send_args lsa;
-	struct msghdr msg;
-	struct iovec aiov;
-	int error;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lsa, sizeof lsa)))
-		return error;
-
-	msg.msg_name = 0;
-	msg.msg_namelen = 0;
-	msg.msg_iov = &aiov;
-	msg.msg_iovlen = 1;
-	aiov.iov_base = lsa.msg;
-	aiov.iov_len = lsa.len;
-	msg.msg_control = 0;
-	msg.msg_flags = 0;
-
-	return (sendit(p, lsa.s, &msg, linux_to_bsd_msg_flags(lsa.flags),
-	    retval));
-}
-
-int
-linux_recv(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_recv_args /* {
-		syscallarg(int) s;
-		syscallarg(void *) msg;
-		syscallarg(int) len;
-		syscallarg(int) flags;
-	} */ *uap = v;
-	struct linux_recv_args lra;
-	struct msghdr msg;
-	struct iovec aiov;
-	int error;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lra, sizeof lra)))
-		return error;
-
-	msg.msg_name = 0;
-	msg.msg_namelen = 0;
-	msg.msg_iov = &aiov;
-	msg.msg_iovlen = 1;
-	aiov.iov_base = lra.msg;
-	aiov.iov_len = lra.len;
-	msg.msg_control = 0;
-	msg.msg_flags = linux_to_bsd_msg_flags(lra.flags);
-
-	return (recvit(p, lra.s, &msg, NULL, retval));
-}
-
-int
-linux_check_hdrincl(p, fd, retval, sgp)
-	struct proc *p;
-	int fd;
-	register_t *retval;
-	caddr_t *sgp;
-{
-	struct sys_getsockopt_args /* {
-		int s;
-		int level;
-		int name;
-		caddr_t val;
-		int *avalsize;
-	} */ gsa;
-	int error;
-	caddr_t val;
-	int *valsize;
-	int size_val = sizeof val;
-	int optval;
-
-	val = stackgap_alloc(sgp, sizeof(optval));
-	valsize = stackgap_alloc(sgp, sizeof(size_val));
-
-	if ((error = copyout(&size_val, valsize, sizeof(size_val))))
-		return (error);
-	SCARG(&gsa, s) = fd;
-	SCARG(&gsa, level) = IPPROTO_IP;
-	SCARG(&gsa, name) = IP_HDRINCL;
-	SCARG(&gsa, val) = val;
-	SCARG(&gsa, avalsize) = valsize;
-
-	if ((error = sys_getsockopt(p, &gsa, retval)))
-		return (error);
-	if ((error = copyin(val, &optval, sizeof(optval))))
-		return (error);
-	return (optval == 0);
-}
-
-/*
- * linux_ip_copysize defines how many bytes we should copy
- * from the beginning of the IP packet before we customize it for BSD.
- * It should include all the fields we modify (ip_len and ip_off)
- * and be as small as possible to minimize copying overhead.
- */
-#define linux_ip_copysize      8
-
-int
-linux_sendto_hdrincl(p, bsa, retval, sgp)
-	struct proc *p;
-	struct sys_sendto_args *bsa;
-	register_t *retval;
-	caddr_t *sgp;
-{
-	struct sys_sendmsg_args ssa;
-	struct ip *packet, rpacket;
-	struct msghdr *msg, rmsg;
-	struct iovec *iov, riov[2];
-	int error;
-
-	/* Check the packet isn't too small before we mess with it */
-	if (SCARG(bsa, len) < linux_ip_copysize)
-		return EINVAL;
-
-	/*
-	 * Tweaking the user buffer in place would be bad manners.
-	 * We create a corrected IP header with just the needed length,
-	 * then use an iovec to glue it to the rest of the user packet
-	 * when calling sendmsg().
-	 */
-	packet = (struct ip *)stackgap_alloc(sgp, linux_ip_copysize);
-	msg = (struct msghdr *)stackgap_alloc(sgp, sizeof(*msg));
-	iov = (struct iovec *)stackgap_alloc(sgp, sizeof(*iov)*2);
-
-	/* Make a copy of the beginning of the packet to be sent */
-	if ((error = copyin(SCARG(bsa, buf), (caddr_t)&rpacket,
-	    linux_ip_copysize)))
-		return error;
-
-	/* Convert fields from Linux to BSD raw IP socket format */
-	rpacket.ip_len = SCARG(bsa, len);
-	error = copyout(&rpacket, packet, linux_ip_copysize);
-	if (error)
-		return (error);
-
-	riov[0].iov_base = (char *)packet;
-	riov[0].iov_len = linux_ip_copysize;
-	riov[1].iov_base = (caddr_t)SCARG(bsa, buf) + linux_ip_copysize;
-	riov[1].iov_len = SCARG(bsa, len) - linux_ip_copysize;
-
-	error = copyout(&riov[0], iov, sizeof(riov));
-	if (error)
-		return (error);
-
-	/* Prepare the msghdr and iovec structures describing the new packet */
-	rmsg.msg_name = (void *)SCARG(bsa, to);
-	rmsg.msg_namelen = SCARG(bsa, tolen);
-	rmsg.msg_iov = iov;
-	rmsg.msg_iovlen = 2;
-	rmsg.msg_control = NULL;
-	rmsg.msg_controllen = 0;
-	rmsg.msg_flags = 0;
-
-	error = copyout(&riov[0], iov, sizeof(riov));
-	if (error)
-		return (error);
-
-	SCARG(&ssa, s) = SCARG(bsa, s);
-	SCARG(&ssa, msg) = msg;
-	SCARG(&ssa, flags) = SCARG(bsa, flags);
-	return sys_sendmsg(p, &ssa, retval);
-}
-
-int
-linux_sendto(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sendto_args /* {
-		syscallarg(int) s;
-		syscallarg(void *) msg;
-		syscallarg(int) len;
-		syscallarg(int) flags;
-		syscallarg(linux_sockaddr *) to;
-		syscallarg(int) tolen;
-	} */ *uap = v;
-	struct linux_sendto_args lsa;
-	struct sys_sendto_args bsa;
-	int error;
-	int tolen;
-	caddr_t sg = stackgap_init(p);
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lsa, sizeof lsa)))
-		return error;
-
-	SCARG(&bsa, s) = lsa.s;
-	SCARG(&bsa, buf) = lsa.msg;
-	SCARG(&bsa, len) = lsa.len;
-	SCARG(&bsa, flags) = linux_to_bsd_msg_flags(lsa.flags);
-	tolen = lsa.tolen;
-	if (lsa.to) {
-		struct sockaddr *sa;
-
-		if ((error = linux_sa_get(p, &sg, &sa, lsa.to, &tolen)))
-			return (error);
-		SCARG(&bsa, to) = sa;
-	} else
-		SCARG(&bsa, to) = NULL;
-	SCARG(&bsa, tolen) = tolen;
-
-	if (linux_check_hdrincl(p, lsa.s, retval, &sg) == 0)
-		return linux_sendto_hdrincl(p, &bsa, retval, &sg);
-	return sys_sendto(p, &bsa, retval);
-}
-
-int
-linux_recvfrom(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_recvfrom_args /* {
-		syscallarg(int) s;
-		syscallarg(void *) buf;
-		syscallarg(int) len;
-		syscallarg(int) flags;
-		syscallarg(struct sockaddr *) from;
-		syscallarg(int *) fromlen;
-	} */ *uap = v;
-	struct linux_recvfrom_args lra;
-	struct sys_recvfrom_args bra;
-	int error;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lra, sizeof lra)))
-		return error;
-
-	SCARG(&bra, s) = lra.s;
-	SCARG(&bra, buf) = lra.buf;
-	SCARG(&bra, len) = lra.len;
-	SCARG(&bra, flags) = linux_to_bsd_msg_flags(lra.flags);
-	SCARG(&bra, from) = lra.from;
-	SCARG(&bra, fromlenaddr) = lra.fromlen;
-
-	if ((error = sys_recvfrom(p, &bra, retval)))
-		return (error);
-
-	if (lra.from && (error = linux_sa_put(lra.from)))
-		return (error);
-
-	return (0);
-}
-
-int
-linux_shutdown(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_shutdown_args /* {
-		syscallarg(int) s;
-		syscallarg(int) how;
-	} */ *uap = v;
-	struct linux_shutdown_args lsa;
-	struct sys_shutdown_args bsa;
-	int error;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lsa, sizeof lsa)))
-		return error;
-
-	SCARG(&bsa, s) = lsa.s;
-	SCARG(&bsa, how) = lsa.how;
-
-	return sys_shutdown(p, &bsa, retval);
-}
-
-/*
- * Convert socket option level from Linux to OpenBSD value. Only SOL_SOCKET
- * is different, the rest matches IPPROTO_* on both systems.
- */
-int
-linux_to_bsd_sopt_level(llevel)
-	int llevel;
-{
-
-	switch (llevel) {
-	case LINUX_SOL_SOCKET:
-		return SOL_SOCKET;
-	case LINUX_SOL_IP:
-		return IPPROTO_IP;
-	case LINUX_SOL_TCP:
-		return IPPROTO_TCP;
-	case LINUX_SOL_UDP:
-		return IPPROTO_UDP;
-	default:
-		return -1;
-	}
-}
-
-/*
- * Convert Linux socket level socket option numbers to OpenBSD values.
- */
-int
-linux_to_bsd_so_sockopt(lopt)
-	int lopt;
-{
-
-	switch (lopt) {
-	case LINUX_SO_DEBUG:
-		return SO_DEBUG;
-	case LINUX_SO_REUSEADDR:
-		/*
-		 * Linux does not implement SO_REUSEPORT, but allows reuse
-		 * of a host:port pair through SO_REUSEADDR even if the
-		 * address is not a multicast-address.  Effectively, this
-		 * means that we should use SO_REUSEPORT to allow Linux
-		 * applications to not receive EADDRINUSE.
-		 */
-		return SO_REUSEPORT;
-	case LINUX_SO_TYPE:
-		return SO_TYPE;
-	case LINUX_SO_ERROR:
-		return SO_ERROR;
-	case LINUX_SO_DONTROUTE:
-		return SO_DONTROUTE;
-	case LINUX_SO_BROADCAST:
-		return SO_BROADCAST;
-	case LINUX_SO_SNDBUF:
-		return SO_SNDBUF;
-	case LINUX_SO_RCVBUF:
-		return SO_RCVBUF;
-	case LINUX_SO_KEEPALIVE:
-		return SO_KEEPALIVE;
-	case LINUX_SO_OOBINLINE:
-		return SO_OOBINLINE;
-	case LINUX_SO_LINGER:
-		return SO_LINGER;
-	case LINUX_SO_PRIORITY:
-	case LINUX_SO_NO_CHECK:
-	default:
-		return -1;
-	}
-}
-
-/*
- * Convert Linux IP level socket option number to OpenBSD values.
- */
-int
-linux_to_bsd_ip_sockopt(lopt)
-	int lopt;
-{
-
-	switch (lopt) {
-	case LINUX_IP_TOS:
-		return IP_TOS;
-	case LINUX_IP_TTL:
-		return IP_TTL;
-	case LINUX_IP_MULTICAST_TTL:
-		return IP_MULTICAST_TTL;
-	case LINUX_IP_MULTICAST_LOOP:
-		return IP_MULTICAST_LOOP;
-	case LINUX_IP_MULTICAST_IF:
-		return IP_MULTICAST_IF;
-	case LINUX_IP_ADD_MEMBERSHIP:
-		return IP_ADD_MEMBERSHIP;
-	case LINUX_IP_DROP_MEMBERSHIP:
-		return IP_DROP_MEMBERSHIP;
-	case LINUX_IP_HDRINCL:
-		return IP_HDRINCL;
-	default:
-		return -1;
-	}
-}
-
-/*
- * Convert Linux TCP level socket option number to OpenBSD values.
- */
-int
-linux_to_bsd_tcp_sockopt(lopt)
-	int lopt;
-{
-
-	switch (lopt) {
-	case LINUX_TCP_NODELAY:
-		return TCP_NODELAY;
-	case LINUX_TCP_MAXSEG:
-		return TCP_MAXSEG;
-	default:
-		return -1;
-	}
-}
-
-/*
- * Convert Linux UDP level socket option number to OpenBSD values.
- */
-int
-linux_to_bsd_udp_sockopt(lopt)
-	int lopt;
-{
-
-	switch (lopt) {
-	default:
-		return -1;
-	}
-}
-
-/*
- * Another reasonably straightforward function: setsockopt(2).
- * The level and option numbers are converted; the values passed
- * are not (yet) converted, the ones currently implemented don't
- * need conversion, as they are the same on both systems.
- */
-int
-linux_setsockopt(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_setsockopt_args /* {
-		syscallarg(int) s;
-		syscallarg(int) level;
-		syscallarg(int) optname;
-		syscallarg(void *) optval;
-		syscallarg(int) optlen;
-	} */ *uap = v;
-	struct linux_setsockopt_args lsa;
-	struct file *fp;
-	struct mbuf *m = NULL;
-	struct socket *so;
-	int error, level, name;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lsa, sizeof lsa)))
-		return error;
-
-	if ((error = getsock(p, lsa.s, &fp)) != 0)
-		return error;
-	
-	level = linux_to_bsd_sopt_level(lsa.level);
-	switch (level) {
-	case SOL_SOCKET:
-		name = linux_to_bsd_so_sockopt(lsa.optname);
-		break;
-	case IPPROTO_IP:
-		name = linux_to_bsd_ip_sockopt(lsa.optname);
-		break;
-	case IPPROTO_TCP:
-		name = linux_to_bsd_tcp_sockopt(lsa.optname);
-		break;
-	case IPPROTO_UDP:
-		name = linux_to_bsd_udp_sockopt(lsa.optname);
-		break;
-	default:
-		error = EINVAL;
-		goto bad;
-	}
-	if (name == -1) {
-		error = EINVAL;
-		goto bad;
-	}
-	if (lsa.optlen > MLEN) {
-		error = EINVAL;
-		goto bad;
-	}
-	if (lsa.optval != NULL) {
-		m = m_get(M_WAIT, MT_SOOPTS);
-		error = copyin(lsa.optval, mtod(m, caddr_t), lsa.optlen);
-		if (error)
-			goto bad;
-		m->m_len = lsa.optlen;
-	}
-	so = (struct socket *)fp->f_data;
-	if (so->so_proto && level == IPPROTO_TCP && name == TCP_NODELAY && 
-	    so->so_proto->pr_domain->dom_family == AF_LOCAL &&
-	    so->so_proto->pr_protocol == PF_LOCAL) {
-		/* ignore it */
-		error = 0;
-		goto bad;
-	}
-	error = sosetopt(so, level, name, m);
-	m = NULL;
-bad:
-	if (m)
-		m_free(m);
-	FRELE(fp, p);
-	return (error);
-}
-
-/*
- * getsockopt(2) is very much the same as setsockopt(2) (see above)
- */
-int
-linux_getsockopt(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_getsockopt_args /* {
-		syscallarg(int) s;
-		syscallarg(int) level;
-		syscallarg(int) optname;
-		syscallarg(void *) optval;
-		syscallarg(int) *optlen;
-	} */ *uap = v;
-	struct linux_getsockopt_args lga;
-	struct sys_getsockopt_args bga;
-	int error, name;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lga, sizeof lga)))
-		return error;
-
-	SCARG(&bga, s) = lga.s;
-	SCARG(&bga, level) = linux_to_bsd_sopt_level(lga.level);
-	SCARG(&bga, val) = lga.optval;
-	SCARG(&bga, avalsize) = lga.optlen;
-
-	switch (SCARG(&bga, level)) {
-	case SOL_SOCKET:
-		name = linux_to_bsd_so_sockopt(lga.optname);
-		break;
-	case IPPROTO_IP:
-		name = linux_to_bsd_ip_sockopt(lga.optname);
-		break;
-	case IPPROTO_TCP:
-		name = linux_to_bsd_tcp_sockopt(lga.optname);
-		break;
-	case IPPROTO_UDP:
-		name = linux_to_bsd_udp_sockopt(lga.optname);
-		break;
-	default:
-		return EINVAL;
-	}
-
-	if (name == -1)
-		return EINVAL;
-	SCARG(&bga, name) = name;
-
-	return sys_getsockopt(p, &bga, retval);
-}
-
-int
-linux_recvmsg(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_recvmsg_args /* {
-		syscallarg(int) s;
-		syscallarg(caddr_t) msg;
-		syscallarg(int) flags;
-	} */ *uap = v;
-	struct linux_recvmsg_args lla;
-	struct sys_recvmsg_args bla;
-	struct msghdr msg;
-	int error;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lla, sizeof lla)))
-		return error;
-
-	SCARG(&bla, s) = lla.s;
-	SCARG(&bla, msg) = (struct msghdr *)lla.msg;
-	SCARG(&bla, flags) = linux_to_bsd_msg_flags(lla.flags);
-
-	error = sys_recvmsg(p, &bla, retval);
-	if (error)
-		return (error);
-
-	error = copyin(lla.msg, (caddr_t)&msg, sizeof(msg));
-
-	if (!error && msg.msg_name && msg.msg_namelen > 2)
-		error = linux_sa_put(msg.msg_name);
-
-	return (error);
-}
-
-int
-linux_sendmsg(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sendmsg_args /* {
-		syscallarg(int) s;
-		syscallarg(struct msghdr *) msg;
-		syscallarg(int) flags;
-	} */ *uap = v;
-	struct linux_sendmsg_args lla;
-	struct sys_sendmsg_args bla;
-	struct msghdr msg, *nmsg = NULL;
-	int error;
-	caddr_t control;
-	int level = -1;
-
-	if ((error = copyin((caddr_t) uap, (caddr_t) &lla, sizeof lla)))
-		return error;
-
-	if ((error = copyin(lla.msg, (caddr_t) &msg, sizeof(msg))))
-		return (error);
-
-	if (msg.msg_name) {
-		struct sockaddr *sa;
-		caddr_t sg = stackgap_init(p);
-
-		nmsg = (struct msghdr *)stackgap_alloc(&sg,
-		    sizeof(struct msghdr));
-		if (!nmsg)
-			return (ENOMEM);
-
-		error = linux_sa_get(p, &sg, &sa,
-		    (struct linux_sockaddr *)msg.msg_name, &msg.msg_namelen);
-		if (error)
-			return (error);
-
-		msg.msg_name = sa;
-		if ((error = copyout(&msg, nmsg, sizeof(struct msghdr))))
-			return (error);
-		lla.msg = nmsg;
-	}
-
-	SCARG(&bla, s) = lla.s;
-	SCARG(&bla, msg) = lla.msg;
-	SCARG(&bla, flags) = linux_to_bsd_msg_flags(lla.flags);
-
-	error = copyin(lla.msg->msg_control, &control, sizeof(caddr_t));
-	if (error)
-		return error;
-	if (control == NULL)
-		goto done;
-	error = copyin(&((struct cmsghdr *)control)->cmsg_level,
-	    &level, sizeof(int));
-	if (error)
-		return error;
-	if (level == 1) {
-		/*
-		 * Linux thinks that SOL_SOCKET is 1; we know that it's really
-		 * 0xffff, of course.
-		 */
-		level = SOL_SOCKET;
-		/*
-		 * XXX should use stack gap!
-		 * We don't because the control header is variable length
-		 * up to 2048 bytes, and there's only 512 bytes of gap.
-		 */
-		error = copyout(&level, &((struct cmsghdr *)control)->
-		    cmsg_level, sizeof(int));
-		if (error)
-			return error;
-	}
-done:
-	error = sys_sendmsg(p, &bla, retval);
-	/* replace level, just in case somebody cares. */
-	if (level == SOL_SOCKET) {
-		level = 1;
-		/* don't worry about the error */
-		copyout(&level, &((struct cmsghdr *)control)->cmsg_level,
-		    sizeof(int));
-	}
-	return (error);
-}
-
-/*
- * Copy the linux_sockaddr structure pointed to by osa to kernel, adjust
- * family and convert to sockaddr, allocate stackgap and put the
- * the converted structure there.  Address on stackgap returned in sap.
- */
-int
-linux_sa_get(struct proc *p, caddr_t *sgp, struct sockaddr **sap,
-    const struct linux_sockaddr *osa, int *osalen)
-{
-	int error, bdom;
-	struct sockaddr *sa, *usa;
-	struct linux_sockaddr *kosa;
-	int alloclen;
-#ifdef INET6
-	int oldv6size;
-	struct sockaddr_in6 *sin6;
-#endif
-
-	if (*osalen < 2 || *osalen > UCHAR_MAX || !osa) {
-		return (EINVAL);
-	}
-
-	if (osa->sa_family == AF_UNIX && *osalen > sizeof(struct sockaddr_un))
-		alloclen = sizeof(struct sockaddr_un);
-	else
-		alloclen = *osalen;
-#ifdef INET6
-	oldv6size = 0;
-	/*
-	 * Check for old (pre-RFC2553) sockaddr_in6. We may accept it
-	 * if it's a v4-mapped address, so reserve the proper space
-	 * for it.
-	 */
-	if (alloclen == sizeof (struct sockaddr_in6) - sizeof (u_int32_t)) {
-		alloclen = sizeof (struct sockaddr_in6);
-		oldv6size = 1;
-	}
-#endif
-
-	kosa = malloc(alloclen, M_TEMP, M_WAITOK);
-
-	if ((error = copyin(osa, (caddr_t) kosa, *osalen))) {
-		goto out;
-	}
-
-	bdom = linux_to_bsd_domain(kosa->sa_family);
-	if (bdom == -1) {
-		error = EINVAL;
-		goto out;
-	}
-
-#ifdef INET6
-	/*
-	 * Older Linux IPv6 code uses obsolete RFC2133 struct sockaddr_in6,
-	 * which lacks the scope id compared with RFC2553 one. If we detect
-	 * the situation, reject the address.
-	 *
-	 * Still accept addresses for which the scope id is not used.
-	 */
-	if (oldv6size && bdom == AF_INET6) {
-		sin6 = (struct sockaddr_in6 *)kosa;
-		if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr) ||
-		    (!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) &&
-		     !IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) &&
-		     !IN6_IS_ADDR_V4COMPAT(&sin6->sin6_addr) &&
-		     !IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) &&
-		     !IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))) {
-			sin6->sin6_scope_id = 0;
-		} else {
-			error = EINVAL;
-			goto out;
-		}
-	} else
-#endif 
-	if (bdom == AF_INET) {
-		alloclen = sizeof(struct sockaddr_in);
-	}
-
-	sa = (struct sockaddr *) kosa;
-	sa->sa_family = bdom;
-	sa->sa_len = alloclen;
-
-	usa = (struct sockaddr *) stackgap_alloc(sgp, alloclen);
-	if (!usa) {
-		error = ENOMEM;
-		goto out;
-	}
-
-	if ((error = copyout(sa, usa, alloclen))) {
-		goto out;
-	}
-
-	*sap = usa;
-
-    out:
-	*osalen = alloclen;
-	free(kosa, M_TEMP, 0);
-	return (error);
-}
-
-int
-linux_sa_put(struct sockaddr *osa)
-{
-	struct sockaddr sa;
-	struct linux_sockaddr *kosa;
-	int error, bdom, len;
-
-	/*
-	 * Only read/write the sockaddr family and length part, the rest is
-	 * not changed.
-	 */
-	len = sizeof(sa.sa_len) + sizeof(sa.sa_family);
-
-	error = copyin((caddr_t) osa, (caddr_t) &sa, len);
-	if (error)
-		return (error);
-
-	bdom = bsd_to_linux_domain(sa.sa_family);
-	if (bdom == -1)
-		return (EINVAL);
-
-	/* Note: we convert from sockaddr to linux_sockaddr here, too */
-	kosa = (struct linux_sockaddr *) &sa;
-	kosa->sa_family = bdom;
-	error = copyout(kosa, osa, len);
-	if (error)
-		return (error);
-
-	return (0);
-}
-
-/*
- * Entry point to all Linux socket calls. Just check which call to
- * make and take appropriate action.
- */
-int
-linux_sys_socketcall(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_socketcall_args /* {
-		syscallarg(int) what;
-		syscallarg(void *) args;
-	} */ *uap = v;
-
-	switch (SCARG(uap, what)) {
-	case LINUX_SYS_socket:
-		return linux_socket(p, SCARG(uap, args), retval);
-	case LINUX_SYS_bind:
-		return linux_bind(p, SCARG(uap, args), retval);
-	case LINUX_SYS_connect:
-		return linux_connect(p, SCARG(uap, args), retval);
-	case LINUX_SYS_listen:
-		return linux_listen(p, SCARG(uap, args), retval);
-	case LINUX_SYS_accept:
-		return linux_accept(p, SCARG(uap, args), retval);
-	case LINUX_SYS_getsockname:
-		return linux_getsockname(p, SCARG(uap, args), retval);
-	case LINUX_SYS_getpeername:
-		return linux_getpeername(p, SCARG(uap, args), retval);
-	case LINUX_SYS_socketpair:
-		return linux_socketpair(p, SCARG(uap, args), retval);
-	case LINUX_SYS_send:
-		return linux_send(p, SCARG(uap, args), retval);
-	case LINUX_SYS_recv:
-		return linux_recv(p, SCARG(uap, args), retval);
-	case LINUX_SYS_sendto:
-		return linux_sendto(p, SCARG(uap, args), retval);
-	case LINUX_SYS_recvfrom:
-		return linux_recvfrom(p, SCARG(uap, args), retval);
-	case LINUX_SYS_shutdown:
-		return linux_shutdown(p, SCARG(uap, args), retval);
-	case LINUX_SYS_setsockopt:
-		return linux_setsockopt(p, SCARG(uap, args), retval);
-	case LINUX_SYS_getsockopt:
-		return linux_getsockopt(p, SCARG(uap, args), retval);
-	case LINUX_SYS_sendmsg:
-		return linux_sendmsg(p, SCARG(uap, args), retval);
-	case LINUX_SYS_recvmsg:
-		return linux_recvmsg(p, SCARG(uap, args), retval);
-	default:
-		return ENOSYS;
-	}
-}
-
-int
-linux_ioctl_socket(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_ioctl_args /* {
-		syscallarg(int) fd;
-		syscallarg(u_long) com;
-		syscallarg(caddr_t) data;
-	} */ *uap = v;
-	u_long com;
-	struct sys_ioctl_args ia;
-	struct file *fp;
-	struct filedesc *fdp;
-	struct vnode *vp;
-	int (*ioctlf)(struct file *, u_long, caddr_t, struct proc *);
-	struct ioctl_pt pt;
-	void *data = SCARG(uap, data);
-	int error = 0, isdev = 0, dosys = 1;
-
-	fdp = p->p_fd;
-	if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
-		return (EBADF);
-	FREF(fp);
-
-	if (fp->f_type == DTYPE_VNODE) {
-		vp = (struct vnode *)fp->f_data;
-		isdev = vp->v_type == VCHR;
-	}
-
-	/*
-	 * Don't try to interpret socket ioctl calls that are done
-	 * on a device file descriptor, just pass them through, to
-	 * emulate Linux behaviour. Use PTIOCLINUX so that the
-	 * device will only handle these if it's prepared to do
-	 * so, to avoid unexpected things from happening.
-	 */
-	if (isdev) {
-		dosys = 0;
-		ioctlf = fp->f_ops->fo_ioctl;
-		pt.com = SCARG(uap, com);
-		pt.data = data;
-		error = ioctlf(fp, PTIOCLINUX, (caddr_t)&pt, p);
-		/*
-		 * XXX hack: if the function returns EJUSTRETURN,       
-		 * it has stuffed a sysctl return value in pt.data.
-		 */
-		if (error == EJUSTRETURN) {
-			retval[0] = (register_t)pt.data;
-			error = 0;
-		}
-		goto out;
-	}
-
-	com = SCARG(uap, com);
-	retval[0] = 0;
-
-	switch (com) {
-	case LINUX_FIOSETOWN:
-		SCARG(&ia, com) = FIOSETOWN;
-		break;
-	case LINUX_SIOCSPGRP:
-		SCARG(&ia, com) = SIOCSPGRP;
-		break;
-	case LINUX_FIOGETOWN:
-		SCARG(&ia, com) = FIOGETOWN;
-		break;
-	case LINUX_SIOCGPGRP:
-		SCARG(&ia, com) = SIOCGPGRP;
-		break;
-	case LINUX_SIOCATMARK:
-		SCARG(&ia, com) = SIOCATMARK;
-		break;
-#if 0
-	case LINUX_SIOCGSTAMP:
-		SCARG(&ia, com) = SIOCGSTAMP;
-		break;
-#endif
-	case LINUX_SIOCGIFCONF:
-		SCARG(&ia, com) = OSIOCGIFCONF;
-		break;
-	case LINUX_SIOCGIFFLAGS:
-		SCARG(&ia, com) = SIOCGIFFLAGS;
-		break;
-	case LINUX_SIOCGIFADDR:
-		SCARG(&ia, com) = SIOCGIFADDR;
-		break;
-	case LINUX_SIOCGIFDSTADDR:
-		SCARG(&ia, com) = SIOCGIFDSTADDR;
-		break;
-	case LINUX_SIOCGIFBRDADDR:
-		SCARG(&ia, com) = SIOCGIFBRDADDR;
-		break;
-	case LINUX_SIOCGIFNETMASK:
-		SCARG(&ia, com) = SIOCGIFNETMASK;
-		break;
-	case LINUX_SIOCGIFMETRIC:
-		SCARG(&ia, com) = SIOCGIFMETRIC;
-		break;
-	case LINUX_SIOCGIFMTU:
-		SCARG(&ia, com) = SIOCGIFMTU;
-		break;
-	case LINUX_SIOCADDMULTI:
-		SCARG(&ia, com) = SIOCADDMULTI;
-		break;
-	case LINUX_SIOCDELMULTI:
-		SCARG(&ia, com) = SIOCDELMULTI;
-		break;
-	case LINUX_SIOCGIFHWADDR: {
-		struct linux_ifreq *ifr = data;
-		struct sockaddr_dl *sdl;
-		struct ifnet *ifp;
-
-		/* 
-		 * Note that we don't actually respect the name in the ifreq
-		 * structure, as Linux interface names are all different.
-		 */
-		TAILQ_FOREACH(ifp, &ifnet, if_list) {
-			if (ifp->if_type != IFT_ETHER)
-				continue;
-			if ((sdl = ifp->if_sadl) &&
-			    (sdl->sdl_family == AF_LINK) &&
-			    (sdl->sdl_type == IFT_ETHER)) {
-				error = copyout(LLADDR(sdl),
-				    &ifr->ifr_hwaddr.sa_data,
-				    LINUX_IFHWADDRLEN);
-				dosys = 0;
-				goto out;
-			}
-		}
-		error = ENOENT;
-		break;
-	    }
-	default:
-		error = EINVAL;
-	}
-
-out:
-	if (error == 0 && dosys) {
-		SCARG(&ia, fd) = SCARG(uap, fd);
-		SCARG(&ia, data) = data;
-		error = sys_ioctl(p, &ia, retval);
-
-		if (error == 0) {
-			struct ifreq *ifr = data;
-
-			switch (com) {
-			case LINUX_SIOCGIFADDR:
-			case LINUX_SIOCGIFDSTADDR:
-			case LINUX_SIOCGIFBRDADDR:
-			case LINUX_SIOCGIFNETMASK:
-				error = linux_sa_put(&ifr->ifr_addr);
-				break;
-			}
-		}
-	}
-
-	FRELE(fp, p);
-	return (error);
-}