2 * Copyright (c) 1995 Søren Schmidt
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 /* XXX we use functions that might not exist. */
33 #include "opt_compat.h"
34 #include "opt_inet6.h"
36 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/sysproto.h>
40 #include <sys/fcntl.h>
42 #include <sys/limits.h>
44 #include <sys/malloc.h>
45 #include <sys/mutex.h>
47 #include <sys/socket.h>
48 #include <sys/socketvar.h>
49 #include <sys/syscallsubr.h>
51 #include <sys/syslog.h>
54 #include <netinet/in.h>
55 #include <netinet/in_systm.h>
56 #include <netinet/ip.h>
58 #include <netinet/ip6.h>
59 #include <netinet6/ip6_var.h>
63 #include <machine/../linux32/linux.h>
64 #include <machine/../linux32/linux32_proto.h>
66 #include <machine/../linux/linux.h>
67 #include <machine/../linux/linux_proto.h>
69 #include <compat/linux/linux_socket.h>
70 #include <compat/linux/linux_util.h>
72 static int do_sa_get(struct sockaddr **, const struct osockaddr *, int *,
73 struct malloc_type *);
74 static int linux_to_bsd_domain(int);
77 * Reads a linux sockaddr and does any necessary translation.
78 * Linux sockaddrs don't have a length field, only a family.
81 linux_getsockaddr(struct sockaddr **sap, const struct osockaddr *osa, int len)
85 return (do_sa_get(sap, osa, &osalen, M_SONAME));
89 * Copy the osockaddr structure pointed to by osa to kernel, adjust
90 * family and convert to sockaddr.
93 do_sa_get(struct sockaddr **sap, const struct osockaddr *osa, int *osalen,
94 struct malloc_type *mtype)
98 struct osockaddr *kosa;
102 struct sockaddr_in6 *sin6;
105 if (*osalen < 2 || *osalen > UCHAR_MAX || !osa)
112 * Check for old (pre-RFC2553) sockaddr_in6. We may accept it
113 * if it's a v4-mapped address, so reserve the proper space
116 if (alloclen == sizeof (struct sockaddr_in6) - sizeof (u_int32_t)) {
117 alloclen = sizeof (struct sockaddr_in6);
122 MALLOC(kosa, struct osockaddr *, alloclen, mtype, M_WAITOK);
124 if ((error = copyin(osa, kosa, *osalen)))
127 bdom = linux_to_bsd_domain(kosa->sa_family);
135 * Older Linux IPv6 code uses obsolete RFC2133 struct sockaddr_in6,
136 * which lacks the scope id compared with RFC2553 one. If we detect
137 * the situation, reject the address and write a message to system log.
139 * Still accept addresses for which the scope id is not used.
141 if (oldv6size && bdom == AF_INET6) {
142 sin6 = (struct sockaddr_in6 *)kosa;
143 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr) ||
144 (!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) &&
145 !IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) &&
146 !IN6_IS_ADDR_V4COMPAT(&sin6->sin6_addr) &&
147 !IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) &&
148 !IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))) {
149 sin6->sin6_scope_id = 0;
152 "obsolete pre-RFC2553 sockaddr_in6 rejected\n");
159 alloclen = sizeof(struct sockaddr_in);
161 sa = (struct sockaddr *) kosa;
162 sa->sa_family = bdom;
163 sa->sa_len = alloclen;
175 linux_to_bsd_domain(int domain)
179 case LINUX_AF_UNSPEC:
191 case LINUX_AF_APPLETALK:
192 return (AF_APPLETALK);
198 bsd_to_linux_domain(int domain)
203 return (LINUX_AF_UNSPEC);
205 return (LINUX_AF_UNIX);
207 return (LINUX_AF_INET);
209 return (LINUX_AF_INET6);
211 return (LINUX_AF_AX25);
213 return (LINUX_AF_IPX);
215 return (LINUX_AF_APPLETALK);
221 linux_to_bsd_sockopt_level(int level)
225 case LINUX_SOL_SOCKET:
232 bsd_to_linux_sockopt_level(int level)
237 return (LINUX_SOL_SOCKET);
243 linux_to_bsd_ip_sockopt(int opt)
251 case LINUX_IP_OPTIONS:
253 case LINUX_IP_MULTICAST_IF:
254 return (IP_MULTICAST_IF);
255 case LINUX_IP_MULTICAST_TTL:
256 return (IP_MULTICAST_TTL);
257 case LINUX_IP_MULTICAST_LOOP:
258 return (IP_MULTICAST_LOOP);
259 case LINUX_IP_ADD_MEMBERSHIP:
260 return (IP_ADD_MEMBERSHIP);
261 case LINUX_IP_DROP_MEMBERSHIP:
262 return (IP_DROP_MEMBERSHIP);
263 case LINUX_IP_HDRINCL:
270 linux_to_bsd_so_sockopt(int opt)
276 case LINUX_SO_REUSEADDR:
277 return (SO_REUSEADDR);
282 case LINUX_SO_DONTROUTE:
283 return (SO_DONTROUTE);
284 case LINUX_SO_BROADCAST:
285 return (SO_BROADCAST);
286 case LINUX_SO_SNDBUF:
288 case LINUX_SO_RCVBUF:
290 case LINUX_SO_KEEPALIVE:
291 return (SO_KEEPALIVE);
292 case LINUX_SO_OOBINLINE:
293 return (SO_OOBINLINE);
294 case LINUX_SO_LINGER:
296 case LINUX_SO_PEERCRED:
297 return (LOCAL_PEERCRED);
298 case LINUX_SO_RCVLOWAT:
299 return (SO_RCVLOWAT);
300 case LINUX_SO_SNDLOWAT:
301 return (SO_SNDLOWAT);
302 case LINUX_SO_RCVTIMEO:
303 return (SO_RCVTIMEO);
304 case LINUX_SO_SNDTIMEO:
305 return (SO_SNDTIMEO);
306 case LINUX_SO_TIMESTAMP:
307 return (SO_TIMESTAMP);
308 case LINUX_SO_ACCEPTCONN:
309 return (SO_ACCEPTCONN);
315 linux_to_bsd_msg_flags(int flags)
319 if (flags & LINUX_MSG_OOB)
320 ret_flags |= MSG_OOB;
321 if (flags & LINUX_MSG_PEEK)
322 ret_flags |= MSG_PEEK;
323 if (flags & LINUX_MSG_DONTROUTE)
324 ret_flags |= MSG_DONTROUTE;
325 if (flags & LINUX_MSG_CTRUNC)
326 ret_flags |= MSG_CTRUNC;
327 if (flags & LINUX_MSG_TRUNC)
328 ret_flags |= MSG_TRUNC;
329 if (flags & LINUX_MSG_DONTWAIT)
330 ret_flags |= MSG_DONTWAIT;
331 if (flags & LINUX_MSG_EOR)
332 ret_flags |= MSG_EOR;
333 if (flags & LINUX_MSG_WAITALL)
334 ret_flags |= MSG_WAITALL;
335 if (flags & LINUX_MSG_NOSIGNAL)
336 ret_flags |= MSG_NOSIGNAL;
337 #if 0 /* not handled */
338 if (flags & LINUX_MSG_PROXY)
340 if (flags & LINUX_MSG_FIN)
342 if (flags & LINUX_MSG_SYN)
344 if (flags & LINUX_MSG_CONFIRM)
346 if (flags & LINUX_MSG_RST)
348 if (flags & LINUX_MSG_ERRQUEUE)
355 * If bsd_to_linux_sockaddr() or linux_to_bsd_sockaddr() faults, then the
356 * native syscall will fault. Thus, we don't really need to check the
357 * return values for these functions.
361 bsd_to_linux_sockaddr(struct sockaddr *arg)
364 size_t sa_len = sizeof(struct sockaddr);
367 if ((error = copyin(arg, &sa, sa_len)))
370 *(u_short *)&sa = sa.sa_family;
372 error = copyout(&sa, arg, sa_len);
378 linux_to_bsd_sockaddr(struct sockaddr *arg, int len)
381 size_t sa_len = sizeof(struct sockaddr);
384 if ((error = copyin(arg, &sa, sa_len)))
387 sa.sa_family = *(sa_family_t *)&sa;
390 error = copyout(&sa, arg, sa_len);
397 linux_sa_put(struct osockaddr *osa)
403 * Only read/write the osockaddr family part, the rest is
406 error = copyin(osa, &sa, sizeof(sa.sa_family));
410 bdom = bsd_to_linux_domain(sa.sa_family);
415 error = copyout(&sa, osa, sizeof(sa.sa_family));
423 linux_sendit(struct thread *td, int s, struct msghdr *mp, int flags,
426 struct mbuf *control;
430 if (mp->msg_name != NULL) {
431 error = linux_getsockaddr(&to, mp->msg_name, mp->msg_namelen);
438 if (mp->msg_control != NULL) {
439 struct cmsghdr *cmsg;
441 if (mp->msg_controllen < sizeof(struct cmsghdr)) {
445 error = sockargs(&control, mp->msg_control,
446 mp->msg_controllen, MT_CONTROL);
450 cmsg = mtod(control, struct cmsghdr *);
451 cmsg->cmsg_level = linux_to_bsd_sockopt_level(cmsg->cmsg_level);
455 error = kern_sendit(td, s, mp, linux_to_bsd_msg_flags(flags), control,
464 /* Return 0 if IP_HDRINCL is set for the given socket. */
466 linux_check_hdrincl(struct thread *td, int s)
468 int error, optval, size_val;
470 size_val = sizeof(optval);
471 error = kern_getsockopt(td, s, IPPROTO_IP, IP_HDRINCL,
472 &optval, UIO_SYSSPACE, &size_val);
476 return (optval == 0);
479 struct linux_sendto_args {
489 * Updated sendto() when IP_HDRINCL is set:
490 * tweak endian-dependent fields in the IP packet.
493 linux_sendto_hdrincl(struct thread *td, struct linux_sendto_args *linux_args)
496 * linux_ip_copysize defines how many bytes we should copy
497 * from the beginning of the IP packet before we customize it for BSD.
498 * It should include all the fields we modify (ip_len and ip_off).
500 #define linux_ip_copysize 8
504 struct iovec aiov[1];
507 /* Check that the packet isn't too big or too small. */
508 if (linux_args->len < linux_ip_copysize ||
509 linux_args->len > IP_MAXPACKET)
512 packet = (struct ip *)malloc(linux_args->len, M_TEMP, M_WAITOK);
514 /* Make kernel copy of the packet to be sent */
515 if ((error = copyin(PTRIN(linux_args->msg), packet,
519 /* Convert fields from Linux to BSD raw IP socket format */
520 packet->ip_len = linux_args->len;
521 packet->ip_off = ntohs(packet->ip_off);
523 /* Prepare the msghdr and iovec structures describing the new packet */
524 msg.msg_name = PTRIN(linux_args->to);
525 msg.msg_namelen = linux_args->tolen;
528 msg.msg_control = NULL;
530 aiov[0].iov_base = (char *)packet;
531 aiov[0].iov_len = linux_args->len;
532 error = linux_sendit(td, linux_args->s, &msg, linux_args->flags,
535 free(packet, M_TEMP);
539 struct linux_socket_args {
546 linux_socket(struct thread *td, struct linux_socket_args *args)
548 struct socket_args /* {
555 bsd_args.protocol = args->protocol;
556 bsd_args.type = args->type;
557 bsd_args.domain = linux_to_bsd_domain(args->domain);
558 if (bsd_args.domain == -1)
561 retval_socket = socket(td, &bsd_args);
562 if (bsd_args.type == SOCK_RAW
563 && (bsd_args.protocol == IPPROTO_RAW || bsd_args.protocol == 0)
564 && bsd_args.domain == AF_INET
565 && retval_socket >= 0) {
566 /* It's a raw IP socket: set the IP_HDRINCL option. */
570 /* We ignore any error returned by kern_setsockopt() */
571 kern_setsockopt(td, td->td_retval[0], IPPROTO_IP, IP_HDRINCL,
572 &hdrincl, UIO_SYSSPACE, sizeof(hdrincl));
576 * Linux AF_INET6 socket has IPV6_V6ONLY setsockopt set to 0 by
577 * default and some apps depend on this. So, set V6ONLY to 0
578 * for Linux apps if the sysctl value is set to 1.
580 if (bsd_args.domain == PF_INET6 && retval_socket >= 0
583 * XXX: Avoid undefined symbol error with an IPv4 only
592 /* We ignore any error returned by setsockopt() */
593 kern_setsockopt(td, td->td_retval[0], IPPROTO_IPV6, IPV6_V6ONLY,
594 &v6only, UIO_SYSSPACE, sizeof(v6only));
598 return (retval_socket);
601 struct linux_bind_args {
608 linux_bind(struct thread *td, struct linux_bind_args *args)
613 error = linux_getsockaddr(&sa, PTRIN(args->name),
618 error = kern_bind(td, args->s, sa);
620 if (error == EADDRNOTAVAIL && args->namelen != sizeof(struct sockaddr_in))
625 struct linux_connect_args {
630 int linux_connect(struct thread *, struct linux_connect_args *);
633 linux_connect(struct thread *td, struct linux_connect_args *args)
640 error = linux_getsockaddr(&sa, (struct osockaddr *)PTRIN(args->name),
645 error = kern_connect(td, args->s, sa);
647 if (error != EISCONN)
651 * Linux doesn't return EISCONN the first time it occurs,
652 * when on a non-blocking socket. Instead it returns the
653 * error getsockopt(SOL_SOCKET, SO_ERROR) would return on BSD.
655 * XXXRW: Instead of using fgetsock(), check that it is a
656 * socket and use the file descriptor reference instead of
657 * creating a new one.
659 error = fgetsock(td, args->s, &so, &fflag);
662 if (fflag & FNONBLOCK) {
664 if (so->so_emuldata == 0)
665 error = so->so_error;
666 so->so_emuldata = (void *)1;
674 struct linux_listen_args {
680 linux_listen(struct thread *td, struct linux_listen_args *args)
682 struct listen_args /* {
687 bsd_args.s = args->s;
688 bsd_args.backlog = args->backlog;
689 return (listen(td, &bsd_args));
692 struct linux_accept_args {
699 linux_accept(struct thread *td, struct linux_accept_args *args)
701 struct accept_args /* {
703 struct sockaddr * __restrict name;
704 socklen_t * __restrict anamelen;
708 bsd_args.s = args->s;
710 bsd_args.name = (struct sockaddr * __restrict)PTRIN(args->addr);
711 bsd_args.anamelen = PTRIN(args->namelen);/* XXX */
712 error = accept(td, &bsd_args);
713 bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.name);
715 if (error == EFAULT && args->namelen != sizeof(struct sockaddr_in))
720 error = linux_sa_put(PTRIN(args->addr));
722 (void)kern_close(td, td->td_retval[0]);
728 * linux appears not to copy flags from the parent socket to the
729 * accepted one, so we must clear the flags in the new descriptor.
730 * Ignore any errors, because we already have an open fd.
732 fd = td->td_retval[0];
733 (void)kern_fcntl(td, fd, F_SETFL, 0);
734 td->td_retval[0] = fd;
738 struct linux_getsockname_args {
745 linux_getsockname(struct thread *td, struct linux_getsockname_args *args)
747 struct getsockname_args /* {
749 struct sockaddr * __restrict asa;
750 socklen_t * __restrict alen;
754 bsd_args.fdes = args->s;
756 bsd_args.asa = (struct sockaddr * __restrict)PTRIN(args->addr);
757 bsd_args.alen = PTRIN(args->namelen); /* XXX */
758 error = getsockname(td, &bsd_args);
759 bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.asa);
762 error = linux_sa_put(PTRIN(args->addr));
768 struct linux_getpeername_args {
775 linux_getpeername(struct thread *td, struct linux_getpeername_args *args)
777 struct getpeername_args /* {
784 bsd_args.fdes = args->s;
785 bsd_args.asa = (struct sockaddr *)PTRIN(args->addr);
786 bsd_args.alen = (int *)PTRIN(args->namelen);
787 error = getpeername(td, &bsd_args);
788 bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.asa);
791 error = linux_sa_put(PTRIN(args->addr));
797 struct linux_socketpair_args {
805 linux_socketpair(struct thread *td, struct linux_socketpair_args *args)
807 struct socketpair_args /* {
814 bsd_args.domain = linux_to_bsd_domain(args->domain);
815 if (bsd_args.domain == -1)
818 bsd_args.type = args->type;
819 bsd_args.protocol = args->protocol;
820 bsd_args.rsv = (int *)PTRIN(args->rsv);
821 return (socketpair(td, &bsd_args));
824 struct linux_send_args {
832 linux_send(struct thread *td, struct linux_send_args *args)
834 struct sendto_args /* {
843 bsd_args.s = args->s;
844 bsd_args.buf = (caddr_t)PTRIN(args->msg);
845 bsd_args.len = args->len;
846 bsd_args.flags = args->flags;
849 return sendto(td, &bsd_args);
852 struct linux_recv_args {
860 linux_recv(struct thread *td, struct linux_recv_args *args)
862 struct recvfrom_args /* {
867 struct sockaddr *from;
868 socklen_t fromlenaddr;
871 bsd_args.s = args->s;
872 bsd_args.buf = (caddr_t)PTRIN(args->msg);
873 bsd_args.len = args->len;
874 bsd_args.flags = args->flags;
875 bsd_args.from = NULL;
876 bsd_args.fromlenaddr = 0;
877 return (recvfrom(td, &bsd_args));
881 linux_sendto(struct thread *td, struct linux_sendto_args *args)
887 if (linux_check_hdrincl(td, args->s) == 0)
888 /* IP_HDRINCL set, tweak the packet before sending */
889 return (linux_sendto_hdrincl(td, args));
891 msg.msg_name = PTRIN(args->to);
892 msg.msg_namelen = args->tolen;
895 msg.msg_control = NULL;
897 aiov.iov_base = PTRIN(args->msg);
898 aiov.iov_len = args->len;
899 error = linux_sendit(td, args->s, &msg, args->flags, UIO_USERSPACE);
903 struct linux_recvfrom_args {
913 linux_recvfrom(struct thread *td, struct linux_recvfrom_args *args)
915 struct recvfrom_args /* {
920 struct sockaddr * __restrict from;
921 socklen_t * __restrict fromlenaddr;
926 if ((error = copyin(PTRIN(args->fromlen), &len, sizeof(size_t))))
929 bsd_args.s = args->s;
930 bsd_args.buf = PTRIN(args->buf);
931 bsd_args.len = args->len;
932 bsd_args.flags = linux_to_bsd_msg_flags(args->flags);
934 bsd_args.from = (struct sockaddr * __restrict)PTRIN(args->from);
935 bsd_args.fromlenaddr = PTRIN(args->fromlen);/* XXX */
937 linux_to_bsd_sockaddr((struct sockaddr *)bsd_args.from, len);
938 error = recvfrom(td, &bsd_args);
939 bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.from);
944 error = linux_sa_put((struct osockaddr *)
952 struct linux_sendmsg_args {
959 linux_sendmsg(struct thread *td, struct linux_sendmsg_args *args)
965 /* XXXTJR sendmsg is broken on amd64 */
967 error = copyin(PTRIN(args->msg), &msg, sizeof(msg));
972 * Some Linux applications (ping) define a non-NULL control data
973 * pointer, but a msg_controllen of 0, which is not allowed in the
974 * FreeBSD system call interface. NULL the msg_control pointer in
975 * order to handle this case. This should be checked, but allows the
976 * Linux ping to work.
978 if (msg.msg_control != NULL && msg.msg_controllen == 0)
979 msg.msg_control = NULL;
980 error = copyiniov(msg.msg_iov, msg.msg_iovlen, &iov, EMSGSIZE);
985 error = linux_sendit(td, args->s, &msg, args->flags, UIO_USERSPACE);
990 struct linux_recvmsg_args {
997 linux_recvmsg(struct thread *td, struct linux_recvmsg_args *args)
999 struct recvmsg_args /* {
1005 struct cmsghdr *cmsg;
1008 /* XXXTJR recvmsg is broken on amd64 */
1010 if ((error = copyin(PTRIN(args->msg), &msg, sizeof (msg))))
1013 bsd_args.s = args->s;
1014 bsd_args.msg = PTRIN(args->msg);
1015 bsd_args.flags = linux_to_bsd_msg_flags(args->flags);
1017 linux_to_bsd_sockaddr((struct sockaddr *)msg.msg_name,
1019 error = recvmsg(td, &bsd_args);
1020 bsd_to_linux_sockaddr((struct sockaddr *)msg.msg_name);
1022 error = recvmsg(td, &bsd_args);
1026 if (bsd_args.msg->msg_control != NULL &&
1027 bsd_args.msg->msg_controllen > 0) {
1028 cmsg = (struct cmsghdr*)bsd_args.msg->msg_control;
1029 cmsg->cmsg_level = bsd_to_linux_sockopt_level(cmsg->cmsg_level);
1032 error = copyin(PTRIN(args->msg), &msg, sizeof(msg));
1035 if (msg.msg_name && msg.msg_namelen > 2)
1036 error = linux_sa_put(msg.msg_name);
1040 struct linux_shutdown_args {
1046 linux_shutdown(struct thread *td, struct linux_shutdown_args *args)
1048 struct shutdown_args /* {
1053 bsd_args.s = args->s;
1054 bsd_args.how = args->how;
1055 return (shutdown(td, &bsd_args));
1058 struct linux_setsockopt_args {
1067 linux_setsockopt(struct thread *td, struct linux_setsockopt_args *args)
1069 struct setsockopt_args /* {
1078 bsd_args.s = args->s;
1079 bsd_args.level = linux_to_bsd_sockopt_level(args->level);
1080 switch (bsd_args.level) {
1082 name = linux_to_bsd_so_sockopt(args->optname);
1085 name = linux_to_bsd_ip_sockopt(args->optname);
1088 /* Linux TCP option values match BSD's */
1089 name = args->optname;
1096 return (ENOPROTOOPT);
1098 bsd_args.name = name;
1099 bsd_args.val = PTRIN(args->optval);
1100 bsd_args.valsize = args->optlen;
1102 if (name == IPV6_NEXTHOP) {
1103 linux_to_bsd_sockaddr((struct sockaddr *)bsd_args.val,
1105 error = setsockopt(td, &bsd_args);
1106 bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.val);
1108 error = setsockopt(td, &bsd_args);
1113 struct linux_getsockopt_args {
1122 linux_getsockopt(struct thread *td, struct linux_getsockopt_args *args)
1124 struct getsockopt_args /* {
1133 bsd_args.s = args->s;
1134 bsd_args.level = linux_to_bsd_sockopt_level(args->level);
1135 switch (bsd_args.level) {
1137 name = linux_to_bsd_so_sockopt(args->optname);
1140 name = linux_to_bsd_ip_sockopt(args->optname);
1143 /* Linux TCP option values match BSD's */
1144 name = args->optname;
1153 bsd_args.name = name;
1154 bsd_args.val = PTRIN(args->optval);
1155 bsd_args.avalsize = PTRIN(args->optlen);
1157 if (name == IPV6_NEXTHOP) {
1158 error = getsockopt(td, &bsd_args);
1159 bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.val);
1161 error = getsockopt(td, &bsd_args);
1167 linux_socketcall(struct thread *td, struct linux_socketcall_args *args)
1169 void *arg = (void *)(intptr_t)args->args;
1171 switch (args->what) {
1173 return (linux_socket(td, arg));
1175 return (linux_bind(td, arg));
1177 return (linux_connect(td, arg));
1179 return (linux_listen(td, arg));
1181 return (linux_accept(td, arg));
1182 case LINUX_GETSOCKNAME:
1183 return (linux_getsockname(td, arg));
1184 case LINUX_GETPEERNAME:
1185 return (linux_getpeername(td, arg));
1186 case LINUX_SOCKETPAIR:
1187 return (linux_socketpair(td, arg));
1189 return (linux_send(td, arg));
1191 return (linux_recv(td, arg));
1193 return (linux_sendto(td, arg));
1194 case LINUX_RECVFROM:
1195 return (linux_recvfrom(td, arg));
1196 case LINUX_SHUTDOWN:
1197 return (linux_shutdown(td, arg));
1198 case LINUX_SETSOCKOPT:
1199 return (linux_setsockopt(td, arg));
1200 case LINUX_GETSOCKOPT:
1201 return (linux_getsockopt(td, arg));
1203 return (linux_sendmsg(td, arg));
1205 return (linux_recvmsg(td, arg));
1208 uprintf("LINUX: 'socket' typ=%d not implemented\n", args->what);