4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
32 /* Needed early for HOST_BSD etc. */
33 #include "config-host.h"
36 #include <sys/times.h>
40 #include <sys/ioctl.h>
41 #include <sys/resource.h>
42 #include <sys/socket.h>
43 #include <netinet/in.h>
46 #include <net/if_tap.h>
49 #include <linux/if_tun.h>
51 #include <arpa/inet.h>
54 #include <sys/select.h>
57 #if defined(__FreeBSD__) || defined(__DragonFly__)
62 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
63 #include <freebsd/stdlib.h>
68 #include <linux/rtc.h>
70 /* For the benefit of older linux systems which don't supply it,
71 we use a local copy of hpet.h. */
72 /* #include <linux/hpet.h> */
75 #include <linux/ppdev.h>
76 #include <linux/parport.h>
80 #include <sys/ethernet.h>
81 #include <sys/sockio.h>
82 #include <netinet/arp.h>
83 #include <netinet/in.h>
84 #include <netinet/in_systm.h>
85 #include <netinet/ip.h>
86 #include <netinet/ip_icmp.h> // must come after ip.h
87 #include <netinet/udp.h>
88 #include <netinet/tcp.h>
96 #if defined(__OpenBSD__)
100 #if defined(CONFIG_VDE)
101 #include <libvdeplug.h>
107 #include <sys/timeb.h>
108 #include <mmsystem.h>
109 #define getopt_long_only getopt_long
110 #define memalign(align, size) malloc(size)
113 #include "qemu-common.h"
117 #include "qemu-timer.h"
118 #include "qemu-char.h"
119 #include "audio/audio.h"
120 #include "qemu_socket.h"
121 #include "qemu-log.h"
123 #if defined(CONFIG_SLIRP)
124 #include "libslirp.h"
128 static VLANState
*first_vlan
;
130 /***********************************************************/
131 /* network device redirectors */
133 #if defined(DEBUG_NET) || defined(DEBUG_SLIRP)
134 static void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
138 for(i
=0;i
<size
;i
+=16) {
142 fprintf(f
, "%08x ", i
);
145 fprintf(f
, " %02x", buf
[i
+j
]);
152 if (c
< ' ' || c
> '~')
161 static int parse_macaddr(uint8_t *macaddr
, const char *p
)
168 offset
= strtol(p
, &last_char
, 0);
169 if (0 == errno
&& '\0' == *last_char
&&
170 offset
>= 0 && offset
<= 0xFFFFFF) {
171 macaddr
[3] = (offset
& 0xFF0000) >> 16;
172 macaddr
[4] = (offset
& 0xFF00) >> 8;
173 macaddr
[5] = offset
& 0xFF;
176 for(i
= 0; i
< 6; i
++) {
177 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
182 if (*p
!= ':' && *p
!= '-')
193 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
204 if (len
> buf_size
- 1)
213 int parse_host_src_port(struct sockaddr_in
*haddr
,
214 struct sockaddr_in
*saddr
,
215 const char *input_str
)
217 char *str
= strdup(input_str
);
218 char *host_str
= str
;
220 const char *src_str2
;
224 * Chop off any extra arguments at the end of the string which
225 * would start with a comma, then fill in the src port information
226 * if it was provided else use the "any address" and "any port".
228 if ((ptr
= strchr(str
,',')))
231 if ((src_str
= strchr(input_str
,'@'))) {
236 if (parse_host_port(haddr
, host_str
) < 0)
240 if (!src_str
|| *src_str
== '\0')
243 if (parse_host_port(saddr
, src_str2
) < 0)
254 int parse_host_port(struct sockaddr_in
*saddr
, const char *str
)
262 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
264 saddr
->sin_family
= AF_INET
;
265 if (buf
[0] == '\0') {
266 saddr
->sin_addr
.s_addr
= 0;
268 if (qemu_isdigit(buf
[0])) {
269 if (!inet_aton(buf
, &saddr
->sin_addr
))
272 if ((he
= gethostbyname(buf
)) == NULL
)
274 saddr
->sin_addr
= *(struct in_addr
*)he
->h_addr
;
277 port
= strtol(p
, (char **)&r
, 0);
280 saddr
->sin_port
= htons(port
);
284 #if !defined(_WIN32) && 0
285 static int parse_unix_path(struct sockaddr_un
*uaddr
, const char *str
)
290 len
= MIN(108, strlen(str
));
291 p
= strchr(str
, ',');
293 len
= MIN(len
, p
- str
);
295 memset(uaddr
, 0, sizeof(*uaddr
));
297 uaddr
->sun_family
= AF_UNIX
;
298 memcpy(uaddr
->sun_path
, str
, len
);
304 void qemu_format_nic_info_str(VLANClientState
*vc
, uint8_t macaddr
[6])
306 snprintf(vc
->info_str
, sizeof(vc
->info_str
),
307 "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
309 macaddr
[0], macaddr
[1], macaddr
[2],
310 macaddr
[3], macaddr
[4], macaddr
[5]);
313 static char *assign_name(VLANClientState
*vc1
, const char *model
)
319 for (vlan
= first_vlan
; vlan
; vlan
= vlan
->next
) {
322 for (vc
= vlan
->first_client
; vc
; vc
= vc
->next
)
323 if (vc
!= vc1
&& strcmp(vc
->model
, model
) == 0)
327 snprintf(buf
, sizeof(buf
), "%s.%d", model
, id
);
332 VLANClientState
*qemu_new_vlan_client(VLANState
*vlan
,
335 NetCanReceive
*can_receive
,
337 NetReceiveIOV
*receive_iov
,
341 VLANClientState
*vc
, **pvc
;
342 vc
= qemu_mallocz(sizeof(VLANClientState
));
343 vc
->model
= strdup(model
);
345 vc
->name
= strdup(name
);
347 vc
->name
= assign_name(vc
, model
);
348 vc
->can_receive
= can_receive
;
349 vc
->receive
= receive
;
350 vc
->receive_iov
= receive_iov
;
351 vc
->cleanup
= cleanup
;
356 pvc
= &vlan
->first_client
;
363 void qemu_del_vlan_client(VLANClientState
*vc
)
365 VLANClientState
**pvc
= &vc
->vlan
->first_client
;
381 VLANClientState
*qemu_find_vlan_client(VLANState
*vlan
, void *opaque
)
383 VLANClientState
**pvc
= &vlan
->first_client
;
386 if ((*pvc
)->opaque
== opaque
)
394 int qemu_can_send_packet(VLANClientState
*sender
)
396 VLANState
*vlan
= sender
->vlan
;
399 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
404 /* no can_receive() handler, they can always receive */
405 if (!vc
->can_receive
|| vc
->can_receive(vc
)) {
413 qemu_deliver_packet(VLANClientState
*sender
, const uint8_t *buf
, int size
)
418 sender
->vlan
->delivering
= 1;
420 for (vc
= sender
->vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
432 len
= vc
->receive(vc
, buf
, size
);
434 ret
= (ret
>= 0) ? ret
: len
;
437 sender
->vlan
->delivering
= 0;
442 void qemu_purge_queued_packets(VLANClientState
*vc
)
444 VLANPacket
**pp
= &vc
->vlan
->send_queue
;
446 while (*pp
!= NULL
) {
447 VLANPacket
*packet
= *pp
;
449 if (packet
->sender
== vc
) {
458 void qemu_flush_queued_packets(VLANClientState
*vc
)
462 while ((packet
= vc
->vlan
->send_queue
) != NULL
) {
465 vc
->vlan
->send_queue
= packet
->next
;
467 ret
= qemu_deliver_packet(packet
->sender
, packet
->data
, packet
->size
);
468 if (ret
== 0 && packet
->sent_cb
!= NULL
) {
469 packet
->next
= vc
->vlan
->send_queue
;
470 vc
->vlan
->send_queue
= packet
;
475 packet
->sent_cb(packet
->sender
, ret
);
481 static void qemu_enqueue_packet(VLANClientState
*sender
,
482 const uint8_t *buf
, int size
,
483 NetPacketSent
*sent_cb
)
487 packet
= qemu_malloc(sizeof(VLANPacket
) + size
);
488 packet
->next
= sender
->vlan
->send_queue
;
489 packet
->sender
= sender
;
491 packet
->sent_cb
= sent_cb
;
492 memcpy(packet
->data
, buf
, size
);
493 sender
->vlan
->send_queue
= packet
;
496 ssize_t
qemu_send_packet_async(VLANClientState
*sender
,
497 const uint8_t *buf
, int size
,
498 NetPacketSent
*sent_cb
)
502 if (sender
->link_down
) {
507 printf("vlan %d send:\n", sender
->vlan
->id
);
508 hex_dump(stdout
, buf
, size
);
511 if (sender
->vlan
->delivering
) {
512 qemu_enqueue_packet(sender
, buf
, size
, NULL
);
516 ret
= qemu_deliver_packet(sender
, buf
, size
);
517 if (ret
== 0 && sent_cb
!= NULL
) {
518 qemu_enqueue_packet(sender
, buf
, size
, sent_cb
);
522 qemu_flush_queued_packets(sender
);
527 void qemu_send_packet(VLANClientState
*vc
, const uint8_t *buf
, int size
)
529 qemu_send_packet_async(vc
, buf
, size
, NULL
);
532 static ssize_t
vc_sendv_compat(VLANClientState
*vc
, const struct iovec
*iov
,
535 uint8_t buffer
[4096];
539 for (i
= 0; i
< iovcnt
; i
++) {
542 len
= MIN(sizeof(buffer
) - offset
, iov
[i
].iov_len
);
543 memcpy(buffer
+ offset
, iov
[i
].iov_base
, len
);
547 return vc
->receive(vc
, buffer
, offset
);
550 static ssize_t
calc_iov_length(const struct iovec
*iov
, int iovcnt
)
555 for (i
= 0; i
< iovcnt
; i
++)
556 offset
+= iov
[i
].iov_len
;
560 static int qemu_deliver_packet_iov(VLANClientState
*sender
,
561 const struct iovec
*iov
, int iovcnt
)
566 sender
->vlan
->delivering
= 1;
568 for (vc
= sender
->vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
576 ret
= calc_iov_length(iov
, iovcnt
);
580 if (vc
->receive_iov
) {
581 len
= vc
->receive_iov(vc
, iov
, iovcnt
);
583 len
= vc_sendv_compat(vc
, iov
, iovcnt
);
586 ret
= (ret
>= 0) ? ret
: len
;
589 sender
->vlan
->delivering
= 0;
594 static ssize_t
qemu_enqueue_packet_iov(VLANClientState
*sender
,
595 const struct iovec
*iov
, int iovcnt
,
596 NetPacketSent
*sent_cb
)
602 max_len
= calc_iov_length(iov
, iovcnt
);
604 packet
= qemu_malloc(sizeof(VLANPacket
) + max_len
);
605 packet
->next
= sender
->vlan
->send_queue
;
606 packet
->sender
= sender
;
607 packet
->sent_cb
= sent_cb
;
610 for (i
= 0; i
< iovcnt
; i
++) {
611 size_t len
= iov
[i
].iov_len
;
613 memcpy(packet
->data
+ packet
->size
, iov
[i
].iov_base
, len
);
617 sender
->vlan
->send_queue
= packet
;
622 ssize_t
qemu_sendv_packet_async(VLANClientState
*sender
,
623 const struct iovec
*iov
, int iovcnt
,
624 NetPacketSent
*sent_cb
)
628 if (sender
->link_down
) {
629 return calc_iov_length(iov
, iovcnt
);
632 if (sender
->vlan
->delivering
) {
633 return qemu_enqueue_packet_iov(sender
, iov
, iovcnt
, NULL
);
636 ret
= qemu_deliver_packet_iov(sender
, iov
, iovcnt
);
637 if (ret
== 0 && sent_cb
!= NULL
) {
638 qemu_enqueue_packet_iov(sender
, iov
, iovcnt
, sent_cb
);
642 qemu_flush_queued_packets(sender
);
648 qemu_sendv_packet(VLANClientState
*vc
, const struct iovec
*iov
, int iovcnt
)
650 return qemu_sendv_packet_async(vc
, iov
, iovcnt
, NULL
);
653 static void config_error(Monitor
*mon
, const char *fmt
, ...)
659 monitor_vprintf(mon
, fmt
, ap
);
661 fprintf(stderr
, "qemu: ");
662 vfprintf(stderr
, fmt
, ap
);
668 #if defined(CONFIG_SLIRP)
670 /* slirp network adapter */
672 #define SLIRP_CFG_HOSTFWD 1
673 #define SLIRP_CFG_LEGACY 2
675 struct slirp_config_str
{
676 struct slirp_config_str
*next
;
682 static int slirp_inited
;
683 static struct slirp_config_str
*slirp_configs
;
684 const char *legacy_tftp_prefix
;
685 const char *legacy_bootp_filename
;
686 static VLANClientState
*slirp_vc
;
688 static void slirp_hostfwd(Monitor
*mon
, const char *redir_str
);
689 static void slirp_guestfwd(Monitor
*mon
, const char *config_str
,
693 static const char *legacy_smb_export
;
695 static void slirp_smb(const char *exported_dir
, struct in_addr vserver_addr
);
698 int slirp_can_output(void)
700 return !slirp_vc
|| qemu_can_send_packet(slirp_vc
);
703 void slirp_output(const uint8_t *pkt
, int pkt_len
)
706 printf("slirp output:\n");
707 hex_dump(stdout
, pkt
, pkt_len
);
711 qemu_send_packet(slirp_vc
, pkt
, pkt_len
);
714 int slirp_is_inited(void)
719 static ssize_t
slirp_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
722 printf("slirp input:\n");
723 hex_dump(stdout
, buf
, size
);
725 slirp_input(buf
, size
);
729 static int slirp_in_use
;
731 static void net_slirp_cleanup(VLANClientState
*vc
)
736 static int net_slirp_init(Monitor
*mon
, VLANState
*vlan
, const char *model
,
737 const char *name
, int restricted
,
738 const char *vnetwork
, const char *vhost
,
739 const char *vhostname
, const char *tftp_export
,
740 const char *bootfile
, const char *vdhcp_start
,
741 const char *vnameserver
, const char *smb_export
,
742 const char *vsmbserver
)
745 /* slirp only supports a single instance so far */
749 /* default settings according to historic slirp */
750 struct in_addr net
= { .s_addr
= htonl(0x0a000000) }; /* 10.0.0.0 */
751 struct in_addr mask
= { .s_addr
= htonl(0xff000000) }; /* 255.0.0.0 */
752 struct in_addr host
= { .s_addr
= htonl(0x0a000202) }; /* 10.0.2.2 */
753 struct in_addr dhcp
= { .s_addr
= htonl(0x0a00020f) }; /* 10.0.2.15 */
754 struct in_addr dns
= { .s_addr
= htonl(0x0a000203) }; /* 10.0.2.3 */
756 struct in_addr smbsrv
= { .s_addr
= 0 };
764 tftp_export
= legacy_tftp_prefix
;
767 bootfile
= legacy_bootp_filename
;
771 if (get_str_sep(buf
, sizeof(buf
), &vnetwork
, '/') < 0) {
772 if (!inet_aton(vnetwork
, &net
)) {
775 addr
= ntohl(net
.s_addr
);
776 if (!(addr
& 0x80000000)) {
777 mask
.s_addr
= htonl(0xff000000); /* class A */
778 } else if ((addr
& 0xfff00000) == 0xac100000) {
779 mask
.s_addr
= htonl(0xfff00000); /* priv. 172.16.0.0/12 */
780 } else if ((addr
& 0xc0000000) == 0x80000000) {
781 mask
.s_addr
= htonl(0xffff0000); /* class B */
782 } else if ((addr
& 0xffff0000) == 0xc0a80000) {
783 mask
.s_addr
= htonl(0xffff0000); /* priv. 192.168.0.0/16 */
784 } else if ((addr
& 0xffff0000) == 0xc6120000) {
785 mask
.s_addr
= htonl(0xfffe0000); /* tests 198.18.0.0/15 */
786 } else if ((addr
& 0xe0000000) == 0xe0000000) {
787 mask
.s_addr
= htonl(0xffffff00); /* class C */
789 mask
.s_addr
= htonl(0xfffffff0); /* multicast/reserved */
792 if (!inet_aton(buf
, &net
)) {
795 shift
= strtol(vnetwork
, &end
, 10);
797 if (!inet_aton(vnetwork
, &mask
)) {
800 } else if (shift
< 4 || shift
> 32) {
803 mask
.s_addr
= htonl(0xffffffff << (32 - shift
));
806 net
.s_addr
&= mask
.s_addr
;
807 host
.s_addr
= net
.s_addr
| (htonl(0x0202) & ~mask
.s_addr
);
808 dhcp
.s_addr
= net
.s_addr
| (htonl(0x020f) & ~mask
.s_addr
);
809 dns
.s_addr
= net
.s_addr
| (htonl(0x0203) & ~mask
.s_addr
);
812 if (vhost
&& !inet_aton(vhost
, &host
)) {
815 if ((host
.s_addr
& mask
.s_addr
) != net
.s_addr
) {
819 if (vdhcp_start
&& !inet_aton(vdhcp_start
, &dhcp
)) {
822 if ((dhcp
.s_addr
& mask
.s_addr
) != net
.s_addr
||
823 dhcp
.s_addr
== host
.s_addr
|| dhcp
.s_addr
== dns
.s_addr
) {
827 if (vnameserver
&& !inet_aton(vnameserver
, &dns
)) {
830 if ((dns
.s_addr
& mask
.s_addr
) != net
.s_addr
||
831 dns
.s_addr
== host
.s_addr
) {
836 if (vsmbserver
&& !inet_aton(vsmbserver
, &smbsrv
)) {
841 slirp_init(restricted
, net
, mask
, host
, vhostname
, tftp_export
,
842 bootfile
, dhcp
, dns
);
845 while (slirp_configs
) {
846 struct slirp_config_str
*config
= slirp_configs
;
848 if (config
->flags
& SLIRP_CFG_HOSTFWD
) {
849 slirp_hostfwd(mon
, config
->str
);
851 slirp_guestfwd(mon
, config
->str
,
852 config
->flags
& SLIRP_CFG_LEGACY
);
854 slirp_configs
= config
->next
;
859 smb_export
= legacy_smb_export
;
862 slirp_smb(smb_export
, smbsrv
);
867 slirp_vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, slirp_receive
,
868 NULL
, net_slirp_cleanup
, NULL
);
869 slirp_vc
->info_str
[0] = '\0';
874 void net_slirp_hostfwd_remove(Monitor
*mon
, const char *port_str
)
878 const char *p
= port_str
;
883 monitor_printf(mon
, "user mode network stack not in use\n");
887 if (!port_str
|| !port_str
[0])
890 get_str_sep(buf
, sizeof(buf
), &p
, ':');
892 if (!strcmp(buf
, "tcp") || buf
[0] == '\0') {
894 } else if (!strcmp(buf
, "udp")) {
902 n
= slirp_remove_hostfwd(is_udp
, host_port
);
904 monitor_printf(mon
, "removed %d host forwarding rules for %s port %d\n",
905 n
, is_udp
? "udp" : "tcp", host_port
);
909 monitor_printf(mon
, "invalid format\n");
912 static void slirp_hostfwd(Monitor
*mon
, const char *redir_str
)
914 struct in_addr guest_addr
= { .s_addr
= 0 };
915 int host_port
, guest_port
;
922 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
925 if (!strcmp(buf
, "tcp") || buf
[0] == '\0') {
927 } else if (!strcmp(buf
, "udp")) {
933 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
936 host_port
= strtol(buf
, &end
, 0);
937 if (*end
!= '\0' || host_port
< 1 || host_port
> 65535) {
941 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
944 if (buf
[0] != '\0' && !inet_aton(buf
, &guest_addr
)) {
948 guest_port
= strtol(p
, &end
, 0);
949 if (*end
!= '\0' || guest_port
< 1 || guest_port
> 65535) {
953 if (slirp_add_hostfwd(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
954 config_error(mon
, "could not set up host forwarding rule '%s'\n",
960 config_error(mon
, "invalid host forwarding rule '%s'\n", redir_str
);
963 void net_slirp_hostfwd_add(Monitor
*mon
, const char *redir_str
)
966 monitor_printf(mon
, "user mode network stack not in use\n");
970 slirp_hostfwd(mon
, redir_str
);
973 void net_slirp_redir(const char *redir_str
)
975 struct slirp_config_str
*config
;
978 config
= qemu_malloc(sizeof(*config
));
979 pstrcpy(config
->str
, sizeof(config
->str
), redir_str
);
980 config
->flags
= SLIRP_CFG_HOSTFWD
;
981 config
->next
= slirp_configs
;
982 slirp_configs
= config
;
986 slirp_hostfwd(NULL
, redir_str
);
991 static char smb_dir
[1024];
993 static void erase_dir(char *dir_name
)
999 /* erase all the files in the directory */
1000 if ((d
= opendir(dir_name
)) != NULL
) {
1005 if (strcmp(de
->d_name
, ".") != 0 &&
1006 strcmp(de
->d_name
, "..") != 0) {
1007 snprintf(filename
, sizeof(filename
), "%s/%s",
1008 smb_dir
, de
->d_name
);
1009 if (unlink(filename
) != 0) /* is it a directory? */
1010 erase_dir(filename
);
1018 /* automatic user mode samba server configuration */
1019 static void smb_exit(void)
1024 static void slirp_smb(const char *exported_dir
, struct in_addr vserver_addr
)
1026 char smb_conf
[1024];
1027 char smb_cmdline
[1024];
1030 /* XXX: better tmp dir construction */
1031 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%ld", (long)getpid());
1032 if (mkdir(smb_dir
, 0700) < 0) {
1033 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
1036 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
1038 f
= fopen(smb_conf
, "w");
1040 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
1047 "socket address=127.0.0.1\n"
1048 "pid directory=%s\n"
1049 "lock directory=%s\n"
1050 "log file=%s/log.smbd\n"
1051 "smb passwd file=%s/smbpasswd\n"
1052 "security = share\n"
1067 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "%s -s %s",
1068 SMBD_COMMAND
, smb_conf
);
1070 if (slirp_add_exec(0, smb_cmdline
, vserver_addr
, 139) < 0) {
1071 fprintf(stderr
, "conflicting/invalid smbserver address\n");
1076 /* automatic user mode samba server configuration (legacy interface) */
1077 void net_slirp_smb(const char *exported_dir
)
1079 struct in_addr vserver_addr
= { .s_addr
= 0 };
1081 if (legacy_smb_export
) {
1082 fprintf(stderr
, "-smb given twice\n");
1085 legacy_smb_export
= exported_dir
;
1087 slirp_smb(exported_dir
, vserver_addr
);
1091 #endif /* !defined(_WIN32) */
1093 void do_info_slirp(Monitor
*mon
)
1099 CharDriverState
*hd
;
1100 struct in_addr server
;
1104 static int guestfwd_can_read(void *opaque
)
1106 struct GuestFwd
*fwd
= opaque
;
1107 return slirp_socket_can_recv(fwd
->server
, fwd
->port
);
1110 static void guestfwd_read(void *opaque
, const uint8_t *buf
, int size
)
1112 struct GuestFwd
*fwd
= opaque
;
1113 slirp_socket_recv(fwd
->server
, fwd
->port
, buf
, size
);
1116 static void slirp_guestfwd(Monitor
*mon
, const char *config_str
,
1119 struct in_addr server
= { .s_addr
= 0 };
1120 struct GuestFwd
*fwd
;
1127 if (legacy_format
) {
1128 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
1132 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
1135 if (strcmp(buf
, "tcp") && buf
[0] != '\0') {
1138 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
1141 if (buf
[0] != '\0' && !inet_aton(buf
, &server
)) {
1144 if (get_str_sep(buf
, sizeof(buf
), &p
, '-') < 0) {
1148 port
= strtol(buf
, &end
, 10);
1149 if (*end
!= '\0' || port
< 1 || port
> 65535) {
1153 fwd
= qemu_malloc(sizeof(struct GuestFwd
));
1154 snprintf(buf
, sizeof(buf
), "guestfwd.tcp:%d", port
);
1155 fwd
->hd
= qemu_chr_open(buf
, p
, NULL
);
1157 config_error(mon
, "could not open guest forwarding device '%s'\n",
1162 fwd
->server
= server
;
1165 if (slirp_add_exec(3, fwd
->hd
, server
, port
) < 0) {
1166 config_error(mon
, "conflicting/invalid host:port in guest forwarding "
1167 "rule '%s'\n", config_str
);
1171 qemu_chr_add_handlers(fwd
->hd
, guestfwd_can_read
, guestfwd_read
,
1176 config_error(mon
, "invalid guest forwarding rule '%s'\n", config_str
);
1179 #endif /* CONFIG_SLIRP */
1181 #if !defined(_WIN32)
1183 typedef struct TAPState
{
1184 VLANClientState
*vc
;
1186 char down_script
[1024];
1187 char down_script_arg
[128];
1189 unsigned int read_poll
: 1;
1190 unsigned int write_poll
: 1;
1193 static int launch_script(const char *setup_script
, const char *ifname
, int fd
);
1195 static int tap_can_send(void *opaque
);
1196 static void tap_send(void *opaque
);
1197 static void tap_writable(void *opaque
);
1199 static void tap_update_fd_handler(TAPState
*s
)
1201 qemu_set_fd_handler2(s
->fd
,
1202 s
->read_poll
? tap_can_send
: NULL
,
1203 s
->read_poll
? tap_send
: NULL
,
1204 s
->write_poll
? tap_writable
: NULL
,
1208 static void tap_read_poll(TAPState
*s
, int enable
)
1210 s
->read_poll
= !!enable
;
1211 tap_update_fd_handler(s
);
1214 static void tap_write_poll(TAPState
*s
, int enable
)
1216 s
->write_poll
= !!enable
;
1217 tap_update_fd_handler(s
);
1220 static void tap_writable(void *opaque
)
1222 TAPState
*s
= opaque
;
1224 tap_write_poll(s
, 0);
1226 qemu_flush_queued_packets(s
->vc
);
1229 static ssize_t
tap_receive_iov(VLANClientState
*vc
, const struct iovec
*iov
,
1232 TAPState
*s
= vc
->opaque
;
1236 len
= writev(s
->fd
, iov
, iovcnt
);
1237 } while (len
== -1 && errno
== EINTR
);
1239 if (len
== -1 && errno
== EAGAIN
) {
1240 tap_write_poll(s
, 1);
1247 static ssize_t
tap_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1249 TAPState
*s
= vc
->opaque
;
1253 len
= write(s
->fd
, buf
, size
);
1254 } while (len
== -1 && (errno
== EINTR
|| errno
== EAGAIN
));
1259 static int tap_can_send(void *opaque
)
1261 TAPState
*s
= opaque
;
1263 return qemu_can_send_packet(s
->vc
);
1267 static ssize_t
tap_read_packet(int tapfd
, uint8_t *buf
, int maxlen
)
1272 sbuf
.maxlen
= maxlen
;
1273 sbuf
.buf
= (char *)buf
;
1275 return getmsg(tapfd
, NULL
, &sbuf
, &f
) >= 0 ? sbuf
.len
: -1;
1278 static ssize_t
tap_read_packet(int tapfd
, uint8_t *buf
, int maxlen
)
1280 return read(tapfd
, buf
, maxlen
);
1284 static void tap_send_completed(VLANClientState
*vc
, ssize_t len
)
1286 TAPState
*s
= vc
->opaque
;
1287 tap_read_poll(s
, 1);
1290 static void tap_send(void *opaque
)
1292 TAPState
*s
= opaque
;
1296 size
= tap_read_packet(s
->fd
, s
->buf
, sizeof(s
->buf
));
1301 size
= qemu_send_packet_async(s
->vc
, s
->buf
, size
, tap_send_completed
);
1303 tap_read_poll(s
, 0);
1308 static void tap_set_sndbuf(TAPState
*s
, int sndbuf
, Monitor
*mon
)
1311 if (ioctl(s
->fd
, TUNSETSNDBUF
, &sndbuf
) == -1) {
1312 config_error(mon
, "TUNSETSNDBUF ioctl failed: %s\n",
1316 config_error(mon
, "No '-net tap,sndbuf=<nbytes>' support available\n");
1320 static void tap_cleanup(VLANClientState
*vc
)
1322 TAPState
*s
= vc
->opaque
;
1324 qemu_purge_queued_packets(vc
);
1326 if (s
->down_script
[0])
1327 launch_script(s
->down_script
, s
->down_script_arg
, s
->fd
);
1329 tap_read_poll(s
, 0);
1330 tap_write_poll(s
, 0);
1337 static TAPState
*net_tap_fd_init(VLANState
*vlan
,
1344 s
= qemu_mallocz(sizeof(TAPState
));
1346 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, tap_receive
,
1347 tap_receive_iov
, tap_cleanup
, s
);
1348 tap_read_poll(s
, 1);
1349 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "fd=%d", fd
);
1353 #if defined (HOST_BSD) || defined (__FreeBSD_kernel__)
1354 static int tap_open(char *ifname
, int ifname_size
)
1360 TFR(fd
= open("/dev/tap", O_RDWR
));
1362 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1367 dev
= devname(s
.st_rdev
, S_IFCHR
);
1368 pstrcpy(ifname
, ifname_size
, dev
);
1370 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1373 #elif defined(__sun__)
1374 #define TUNNEWPPA (('T'<<16) | 0x0001)
1376 * Allocate TAP device, returns opened fd.
1377 * Stores dev name in the first arg(must be large enough).
1379 static int tap_alloc(char *dev
, size_t dev_size
)
1381 int tap_fd
, if_fd
, ppa
= -1;
1382 static int ip_fd
= 0;
1385 static int arp_fd
= 0;
1386 int ip_muxid
, arp_muxid
;
1387 struct strioctl strioc_if
, strioc_ppa
;
1388 int link_type
= I_PLINK
;;
1390 char actual_name
[32] = "";
1392 memset(&ifr
, 0x0, sizeof(ifr
));
1396 while( *ptr
&& !qemu_isdigit((int)*ptr
) ) ptr
++;
1400 /* Check if IP device was opened */
1404 TFR(ip_fd
= open("/dev/udp", O_RDWR
, 0));
1406 syslog(LOG_ERR
, "Can't open /dev/ip (actually /dev/udp)");
1410 TFR(tap_fd
= open("/dev/tap", O_RDWR
, 0));
1412 syslog(LOG_ERR
, "Can't open /dev/tap");
1416 /* Assign a new PPA and get its unit number. */
1417 strioc_ppa
.ic_cmd
= TUNNEWPPA
;
1418 strioc_ppa
.ic_timout
= 0;
1419 strioc_ppa
.ic_len
= sizeof(ppa
);
1420 strioc_ppa
.ic_dp
= (char *)&ppa
;
1421 if ((ppa
= ioctl (tap_fd
, I_STR
, &strioc_ppa
)) < 0)
1422 syslog (LOG_ERR
, "Can't assign new interface");
1424 TFR(if_fd
= open("/dev/tap", O_RDWR
, 0));
1426 syslog(LOG_ERR
, "Can't open /dev/tap (2)");
1429 if(ioctl(if_fd
, I_PUSH
, "ip") < 0){
1430 syslog(LOG_ERR
, "Can't push IP module");
1434 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) < 0)
1435 syslog(LOG_ERR
, "Can't get flags\n");
1437 snprintf (actual_name
, 32, "tap%d", ppa
);
1438 pstrcpy(ifr
.lifr_name
, sizeof(ifr
.lifr_name
), actual_name
);
1441 /* Assign ppa according to the unit number returned by tun device */
1443 if (ioctl (if_fd
, SIOCSLIFNAME
, &ifr
) < 0)
1444 syslog (LOG_ERR
, "Can't set PPA %d", ppa
);
1445 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) <0)
1446 syslog (LOG_ERR
, "Can't get flags\n");
1447 /* Push arp module to if_fd */
1448 if (ioctl (if_fd
, I_PUSH
, "arp") < 0)
1449 syslog (LOG_ERR
, "Can't push ARP module (2)");
1451 /* Push arp module to ip_fd */
1452 if (ioctl (ip_fd
, I_POP
, NULL
) < 0)
1453 syslog (LOG_ERR
, "I_POP failed\n");
1454 if (ioctl (ip_fd
, I_PUSH
, "arp") < 0)
1455 syslog (LOG_ERR
, "Can't push ARP module (3)\n");
1457 TFR(arp_fd
= open ("/dev/tap", O_RDWR
, 0));
1459 syslog (LOG_ERR
, "Can't open %s\n", "/dev/tap");
1461 /* Set ifname to arp */
1462 strioc_if
.ic_cmd
= SIOCSLIFNAME
;
1463 strioc_if
.ic_timout
= 0;
1464 strioc_if
.ic_len
= sizeof(ifr
);
1465 strioc_if
.ic_dp
= (char *)&ifr
;
1466 if (ioctl(arp_fd
, I_STR
, &strioc_if
) < 0){
1467 syslog (LOG_ERR
, "Can't set ifname to arp\n");
1470 if((ip_muxid
= ioctl(ip_fd
, I_LINK
, if_fd
)) < 0){
1471 syslog(LOG_ERR
, "Can't link TAP device to IP");
1475 if ((arp_muxid
= ioctl (ip_fd
, link_type
, arp_fd
)) < 0)
1476 syslog (LOG_ERR
, "Can't link TAP device to ARP");
1480 memset(&ifr
, 0x0, sizeof(ifr
));
1481 pstrcpy(ifr
.lifr_name
, sizeof(ifr
.lifr_name
), actual_name
);
1482 ifr
.lifr_ip_muxid
= ip_muxid
;
1483 ifr
.lifr_arp_muxid
= arp_muxid
;
1485 if (ioctl (ip_fd
, SIOCSLIFMUXID
, &ifr
) < 0)
1487 ioctl (ip_fd
, I_PUNLINK
, arp_muxid
);
1488 ioctl (ip_fd
, I_PUNLINK
, ip_muxid
);
1489 syslog (LOG_ERR
, "Can't set multiplexor id");
1492 snprintf(dev
, dev_size
, "tap%d", ppa
);
1496 static int tap_open(char *ifname
, int ifname_size
)
1500 if( (fd
= tap_alloc(dev
, sizeof(dev
))) < 0 ){
1501 fprintf(stderr
, "Cannot allocate TAP device\n");
1504 pstrcpy(ifname
, ifname_size
, dev
);
1505 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1508 #elif defined (_AIX)
1509 static int tap_open(char *ifname
, int ifname_size
)
1511 fprintf (stderr
, "no tap on AIX\n");
1515 static int tap_open(char *ifname
, int ifname_size
)
1520 TFR(fd
= open("/dev/net/tun", O_RDWR
));
1522 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1525 memset(&ifr
, 0, sizeof(ifr
));
1526 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1527 if (ifname
[0] != '\0')
1528 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, ifname
);
1530 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tap%d");
1531 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1533 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1537 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1538 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1543 static int launch_script(const char *setup_script
, const char *ifname
, int fd
)
1545 sigset_t oldmask
, mask
;
1551 sigaddset(&mask
, SIGCHLD
);
1552 sigprocmask(SIG_BLOCK
, &mask
, &oldmask
);
1554 /* try to launch network script */
1557 int open_max
= sysconf(_SC_OPEN_MAX
), i
;
1559 for (i
= 0; i
< open_max
; i
++) {
1560 if (i
!= STDIN_FILENO
&&
1561 i
!= STDOUT_FILENO
&&
1562 i
!= STDERR_FILENO
&&
1568 *parg
++ = (char *)setup_script
;
1569 *parg
++ = (char *)ifname
;
1571 execv(setup_script
, args
);
1573 } else if (pid
> 0) {
1574 while (waitpid(pid
, &status
, 0) != pid
) {
1577 sigprocmask(SIG_SETMASK
, &oldmask
, NULL
);
1579 if (WIFEXITED(status
) && WEXITSTATUS(status
) == 0) {
1583 fprintf(stderr
, "%s: could not launch network script\n", setup_script
);
1587 static TAPState
*net_tap_init(VLANState
*vlan
, const char *model
,
1588 const char *name
, const char *ifname1
,
1589 const char *setup_script
, const char *down_script
)
1595 if (ifname1
!= NULL
)
1596 pstrcpy(ifname
, sizeof(ifname
), ifname1
);
1599 TFR(fd
= tap_open(ifname
, sizeof(ifname
)));
1603 if (!setup_script
|| !strcmp(setup_script
, "no"))
1605 if (setup_script
[0] != '\0' &&
1606 launch_script(setup_script
, ifname
, fd
)) {
1609 s
= net_tap_fd_init(vlan
, model
, name
, fd
);
1610 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1611 "ifname=%s,script=%s,downscript=%s",
1612 ifname
, setup_script
, down_script
);
1613 if (down_script
&& strcmp(down_script
, "no")) {
1614 snprintf(s
->down_script
, sizeof(s
->down_script
), "%s", down_script
);
1615 snprintf(s
->down_script_arg
, sizeof(s
->down_script_arg
), "%s", ifname
);
1620 #endif /* !_WIN32 */
1622 #if defined(CONFIG_VDE)
1623 typedef struct VDEState
{
1624 VLANClientState
*vc
;
1628 static void vde_to_qemu(void *opaque
)
1630 VDEState
*s
= opaque
;
1634 size
= vde_recv(s
->vde
, (char *)buf
, sizeof(buf
), 0);
1636 qemu_send_packet(s
->vc
, buf
, size
);
1640 static ssize_t
vde_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1642 VDEState
*s
= vc
->opaque
;
1646 ret
= vde_send(s
->vde
, (const char *)buf
, size
, 0);
1647 } while (ret
< 0 && errno
== EINTR
);
1652 static void vde_cleanup(VLANClientState
*vc
)
1654 VDEState
*s
= vc
->opaque
;
1655 qemu_set_fd_handler(vde_datafd(s
->vde
), NULL
, NULL
, NULL
);
1660 static int net_vde_init(VLANState
*vlan
, const char *model
,
1661 const char *name
, const char *sock
,
1662 int port
, const char *group
, int mode
)
1665 char *init_group
= strlen(group
) ? (char *)group
: NULL
;
1666 char *init_sock
= strlen(sock
) ? (char *)sock
: NULL
;
1668 struct vde_open_args args
= {
1670 .group
= init_group
,
1674 s
= qemu_mallocz(sizeof(VDEState
));
1675 s
->vde
= vde_open(init_sock
, (char *)"QEMU", &args
);
1680 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, vde_receive
,
1681 NULL
, vde_cleanup
, s
);
1682 qemu_set_fd_handler(vde_datafd(s
->vde
), vde_to_qemu
, NULL
, s
);
1683 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "sock=%s,fd=%d",
1684 sock
, vde_datafd(s
->vde
));
1689 /* network connection */
1690 typedef struct NetSocketState
{
1691 VLANClientState
*vc
;
1693 int state
; /* 0 = getting length, 1 = getting data */
1695 unsigned int packet_len
;
1697 struct sockaddr_in dgram_dst
; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
1700 typedef struct NetSocketListenState
{
1705 } NetSocketListenState
;
1707 /* XXX: we consider we can send the whole packet without blocking */
1708 static ssize_t
net_socket_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1710 NetSocketState
*s
= vc
->opaque
;
1714 send_all(s
->fd
, (const uint8_t *)&len
, sizeof(len
));
1715 return send_all(s
->fd
, buf
, size
);
1718 static ssize_t
net_socket_receive_dgram(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1720 NetSocketState
*s
= vc
->opaque
;
1722 return sendto(s
->fd
, (const void *)buf
, size
, 0,
1723 (struct sockaddr
*)&s
->dgram_dst
, sizeof(s
->dgram_dst
));
1726 static void net_socket_send(void *opaque
)
1728 NetSocketState
*s
= opaque
;
1734 size
= recv(s
->fd
, (void *)buf1
, sizeof(buf1
), 0);
1736 err
= socket_error();
1737 if (err
!= EWOULDBLOCK
)
1739 } else if (size
== 0) {
1740 /* end of connection */
1742 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1748 /* reassemble a packet from the network */
1754 memcpy(s
->buf
+ s
->index
, buf
, l
);
1758 if (s
->index
== 4) {
1760 s
->packet_len
= ntohl(*(uint32_t *)s
->buf
);
1766 l
= s
->packet_len
- s
->index
;
1769 if (s
->index
+ l
<= sizeof(s
->buf
)) {
1770 memcpy(s
->buf
+ s
->index
, buf
, l
);
1772 fprintf(stderr
, "serious error: oversized packet received,"
1773 "connection terminated.\n");
1781 if (s
->index
>= s
->packet_len
) {
1782 qemu_send_packet(s
->vc
, s
->buf
, s
->packet_len
);
1791 static void net_socket_send_dgram(void *opaque
)
1793 NetSocketState
*s
= opaque
;
1796 size
= recv(s
->fd
, (void *)s
->buf
, sizeof(s
->buf
), 0);
1800 /* end of connection */
1801 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1804 qemu_send_packet(s
->vc
, s
->buf
, size
);
1807 static int net_socket_mcast_create(struct sockaddr_in
*mcastaddr
)
1812 if (!IN_MULTICAST(ntohl(mcastaddr
->sin_addr
.s_addr
))) {
1813 fprintf(stderr
, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
1814 inet_ntoa(mcastaddr
->sin_addr
),
1815 (int)ntohl(mcastaddr
->sin_addr
.s_addr
));
1819 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
1821 perror("socket(PF_INET, SOCK_DGRAM)");
1826 ret
=setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
,
1827 (const char *)&val
, sizeof(val
));
1829 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
1833 ret
= bind(fd
, (struct sockaddr
*)mcastaddr
, sizeof(*mcastaddr
));
1839 /* Add host to multicast group */
1840 imr
.imr_multiaddr
= mcastaddr
->sin_addr
;
1841 imr
.imr_interface
.s_addr
= htonl(INADDR_ANY
);
1843 ret
= setsockopt(fd
, IPPROTO_IP
, IP_ADD_MEMBERSHIP
,
1844 (const char *)&imr
, sizeof(struct ip_mreq
));
1846 perror("setsockopt(IP_ADD_MEMBERSHIP)");
1850 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
1852 ret
=setsockopt(fd
, IPPROTO_IP
, IP_MULTICAST_LOOP
,
1853 (const char *)&val
, sizeof(val
));
1855 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
1859 socket_set_nonblock(fd
);
1867 static void net_socket_cleanup(VLANClientState
*vc
)
1869 NetSocketState
*s
= vc
->opaque
;
1870 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1875 static NetSocketState
*net_socket_fd_init_dgram(VLANState
*vlan
,
1878 int fd
, int is_connected
)
1880 struct sockaddr_in saddr
;
1882 socklen_t saddr_len
;
1885 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
1886 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
1887 * by ONLY ONE process: we must "clone" this dgram socket --jjo
1891 if (getsockname(fd
, (struct sockaddr
*) &saddr
, &saddr_len
) == 0) {
1893 if (saddr
.sin_addr
.s_addr
==0) {
1894 fprintf(stderr
, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
1898 /* clone dgram socket */
1899 newfd
= net_socket_mcast_create(&saddr
);
1901 /* error already reported by net_socket_mcast_create() */
1905 /* clone newfd to fd, close newfd */
1910 fprintf(stderr
, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
1911 fd
, strerror(errno
));
1916 s
= qemu_mallocz(sizeof(NetSocketState
));
1919 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, net_socket_receive_dgram
,
1920 NULL
, net_socket_cleanup
, s
);
1921 qemu_set_fd_handler(s
->fd
, net_socket_send_dgram
, NULL
, s
);
1923 /* mcast: save bound address as dst */
1924 if (is_connected
) s
->dgram_dst
=saddr
;
1926 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1927 "socket: fd=%d (%s mcast=%s:%d)",
1928 fd
, is_connected
? "cloned" : "",
1929 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
1933 static void net_socket_connect(void *opaque
)
1935 NetSocketState
*s
= opaque
;
1936 qemu_set_fd_handler(s
->fd
, net_socket_send
, NULL
, s
);
1939 static NetSocketState
*net_socket_fd_init_stream(VLANState
*vlan
,
1942 int fd
, int is_connected
)
1945 s
= qemu_mallocz(sizeof(NetSocketState
));
1947 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, net_socket_receive
,
1948 NULL
, net_socket_cleanup
, s
);
1949 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1950 "socket: fd=%d", fd
);
1952 net_socket_connect(s
);
1954 qemu_set_fd_handler(s
->fd
, NULL
, net_socket_connect
, s
);
1959 static NetSocketState
*net_socket_fd_init(VLANState
*vlan
,
1960 const char *model
, const char *name
,
1961 int fd
, int is_connected
)
1963 int so_type
=-1, optlen
=sizeof(so_type
);
1965 if(getsockopt(fd
, SOL_SOCKET
, SO_TYPE
, (char *)&so_type
,
1966 (socklen_t
*)&optlen
)< 0) {
1967 fprintf(stderr
, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd
);
1972 return net_socket_fd_init_dgram(vlan
, model
, name
, fd
, is_connected
);
1974 return net_socket_fd_init_stream(vlan
, model
, name
, fd
, is_connected
);
1976 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
1977 fprintf(stderr
, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type
, fd
);
1978 return net_socket_fd_init_stream(vlan
, model
, name
, fd
, is_connected
);
1983 static void net_socket_accept(void *opaque
)
1985 NetSocketListenState
*s
= opaque
;
1987 struct sockaddr_in saddr
;
1992 len
= sizeof(saddr
);
1993 fd
= accept(s
->fd
, (struct sockaddr
*)&saddr
, &len
);
1994 if (fd
< 0 && errno
!= EINTR
) {
1996 } else if (fd
>= 0) {
2000 s1
= net_socket_fd_init(s
->vlan
, s
->model
, s
->name
, fd
, 1);
2004 snprintf(s1
->vc
->info_str
, sizeof(s1
->vc
->info_str
),
2005 "socket: connection from %s:%d",
2006 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
2010 static int net_socket_listen_init(VLANState
*vlan
,
2013 const char *host_str
)
2015 NetSocketListenState
*s
;
2017 struct sockaddr_in saddr
;
2019 if (parse_host_port(&saddr
, host_str
) < 0)
2022 s
= qemu_mallocz(sizeof(NetSocketListenState
));
2024 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
2029 socket_set_nonblock(fd
);
2031 /* allow fast reuse */
2033 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
2035 ret
= bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
2040 ret
= listen(fd
, 0);
2046 s
->model
= strdup(model
);
2047 s
->name
= name
? strdup(name
) : NULL
;
2049 qemu_set_fd_handler(fd
, net_socket_accept
, NULL
, s
);
2053 static int net_socket_connect_init(VLANState
*vlan
,
2056 const char *host_str
)
2059 int fd
, connected
, ret
, err
;
2060 struct sockaddr_in saddr
;
2062 if (parse_host_port(&saddr
, host_str
) < 0)
2065 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
2070 socket_set_nonblock(fd
);
2074 ret
= connect(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
2076 err
= socket_error();
2077 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
2078 } else if (err
== EINPROGRESS
) {
2081 } else if (err
== WSAEALREADY
) {
2094 s
= net_socket_fd_init(vlan
, model
, name
, fd
, connected
);
2097 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
2098 "socket: connect to %s:%d",
2099 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
2103 static int net_socket_mcast_init(VLANState
*vlan
,
2106 const char *host_str
)
2110 struct sockaddr_in saddr
;
2112 if (parse_host_port(&saddr
, host_str
) < 0)
2116 fd
= net_socket_mcast_create(&saddr
);
2120 s
= net_socket_fd_init(vlan
, model
, name
, fd
, 0);
2124 s
->dgram_dst
= saddr
;
2126 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
2127 "socket: mcast=%s:%d",
2128 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
2133 typedef struct DumpState
{
2134 VLANClientState
*pcap_vc
;
2139 #define PCAP_MAGIC 0xa1b2c3d4
2141 struct pcap_file_hdr
{
2143 uint16_t version_major
;
2144 uint16_t version_minor
;
2151 struct pcap_sf_pkthdr
{
2160 static ssize_t
dump_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
2162 DumpState
*s
= vc
->opaque
;
2163 struct pcap_sf_pkthdr hdr
;
2167 /* Early return in case of previous error. */
2172 ts
= muldiv64(qemu_get_clock(vm_clock
), 1000000, ticks_per_sec
);
2173 caplen
= size
> s
->pcap_caplen
? s
->pcap_caplen
: size
;
2175 hdr
.ts
.tv_sec
= ts
/ 1000000;
2176 hdr
.ts
.tv_usec
= ts
% 1000000;
2177 hdr
.caplen
= caplen
;
2179 if (write(s
->fd
, &hdr
, sizeof(hdr
)) != sizeof(hdr
) ||
2180 write(s
->fd
, buf
, caplen
) != caplen
) {
2181 qemu_log("-net dump write error - stop dump\n");
2189 static void net_dump_cleanup(VLANClientState
*vc
)
2191 DumpState
*s
= vc
->opaque
;
2197 static int net_dump_init(Monitor
*mon
, VLANState
*vlan
, const char *device
,
2198 const char *name
, const char *filename
, int len
)
2200 struct pcap_file_hdr hdr
;
2203 s
= qemu_malloc(sizeof(DumpState
));
2205 s
->fd
= open(filename
, O_CREAT
| O_WRONLY
| O_BINARY
, 0644);
2207 config_error(mon
, "-net dump: can't open %s\n", filename
);
2211 s
->pcap_caplen
= len
;
2213 hdr
.magic
= PCAP_MAGIC
;
2214 hdr
.version_major
= 2;
2215 hdr
.version_minor
= 4;
2218 hdr
.snaplen
= s
->pcap_caplen
;
2221 if (write(s
->fd
, &hdr
, sizeof(hdr
)) < sizeof(hdr
)) {
2222 config_error(mon
, "-net dump write error: %s\n", strerror(errno
));
2228 s
->pcap_vc
= qemu_new_vlan_client(vlan
, device
, name
, NULL
, dump_receive
, NULL
,
2229 net_dump_cleanup
, s
);
2230 snprintf(s
->pcap_vc
->info_str
, sizeof(s
->pcap_vc
->info_str
),
2231 "dump to %s (len=%d)", filename
, len
);
2235 /* find or alloc a new VLAN */
2236 VLANState
*qemu_find_vlan(int id
)
2238 VLANState
**pvlan
, *vlan
;
2239 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2243 vlan
= qemu_mallocz(sizeof(VLANState
));
2246 pvlan
= &first_vlan
;
2247 while (*pvlan
!= NULL
)
2248 pvlan
= &(*pvlan
)->next
;
2253 static int nic_get_free_idx(void)
2257 for (index
= 0; index
< MAX_NICS
; index
++)
2258 if (!nd_table
[index
].used
)
2263 void qemu_check_nic_model(NICInfo
*nd
, const char *model
)
2265 const char *models
[2];
2270 qemu_check_nic_model_list(nd
, models
, model
);
2273 void qemu_check_nic_model_list(NICInfo
*nd
, const char * const *models
,
2274 const char *default_model
)
2276 int i
, exit_status
= 0;
2279 nd
->model
= strdup(default_model
);
2281 if (strcmp(nd
->model
, "?") != 0) {
2282 for (i
= 0 ; models
[i
]; i
++)
2283 if (strcmp(nd
->model
, models
[i
]) == 0)
2286 fprintf(stderr
, "qemu: Unsupported NIC model: %s\n", nd
->model
);
2290 fprintf(stderr
, "qemu: Supported NIC models: ");
2291 for (i
= 0 ; models
[i
]; i
++)
2292 fprintf(stderr
, "%s%c", models
[i
], models
[i
+1] ? ',' : '\n');
2297 int net_client_init(Monitor
*mon
, const char *device
, const char *p
)
2305 if (get_param_value(buf
, sizeof(buf
), "vlan", p
)) {
2306 vlan_id
= strtol(buf
, NULL
, 0);
2308 vlan
= qemu_find_vlan(vlan_id
);
2310 if (get_param_value(buf
, sizeof(buf
), "name", p
)) {
2311 name
= qemu_strdup(buf
);
2313 if (!strcmp(device
, "nic")) {
2314 static const char * const nic_params
[] = {
2315 "vlan", "name", "macaddr", "model", "addr", "vectors", NULL
2319 int idx
= nic_get_free_idx();
2321 if (check_params(buf
, sizeof(buf
), nic_params
, p
) < 0) {
2322 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2326 if (idx
== -1 || nb_nics
>= MAX_NICS
) {
2327 config_error(mon
, "Too Many NICs\n");
2331 nd
= &nd_table
[idx
];
2332 macaddr
= nd
->macaddr
;
2338 macaddr
[5] = 0x56 + idx
;
2340 if (get_param_value(buf
, sizeof(buf
), "macaddr", p
)) {
2341 if (parse_macaddr(macaddr
, buf
) < 0) {
2342 config_error(mon
, "invalid syntax for ethernet address\n");
2347 if (get_param_value(buf
, sizeof(buf
), "model", p
)) {
2348 nd
->model
= strdup(buf
);
2350 if (get_param_value(buf
, sizeof(buf
), "addr", p
)) {
2351 nd
->devaddr
= strdup(buf
);
2353 nd
->nvectors
= NIC_NVECTORS_UNSPECIFIED
;
2354 if (get_param_value(buf
, sizeof(buf
), "vectors", p
)) {
2356 long vectors
= strtol(buf
, &endptr
, 0);
2358 config_error(mon
, "invalid syntax for # of vectors\n");
2362 if (vectors
< 0 || vectors
> 0x7ffffff) {
2363 config_error(mon
, "invalid # of vectors\n");
2367 nd
->nvectors
= vectors
;
2374 vlan
->nb_guest_devs
++;
2377 if (!strcmp(device
, "none")) {
2379 config_error(mon
, "'none' takes no parameters\n");
2383 /* does nothing. It is needed to signal that no network cards
2388 if (!strcmp(device
, "user")) {
2389 static const char * const slirp_params
[] = {
2390 "vlan", "name", "hostname", "restrict", "ip", "net", "host",
2391 "tftp", "bootfile", "dhcpstart", "dns", "smb", "smbserver",
2392 "hostfwd", "guestfwd", NULL
2394 struct slirp_config_str
*config
;
2398 char *vhostname
= NULL
;
2399 char *tftp_export
= NULL
;
2400 char *bootfile
= NULL
;
2401 char *vdhcp_start
= NULL
;
2402 char *vnamesrv
= NULL
;
2403 char *smb_export
= NULL
;
2404 char *vsmbsrv
= NULL
;
2407 if (check_params(buf
, sizeof(buf
), slirp_params
, p
) < 0) {
2408 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2412 if (get_param_value(buf
, sizeof(buf
), "ip", p
)) {
2413 /* emulate legacy parameter */
2414 vnet
= qemu_malloc(strlen(buf
) + strlen("/24") + 1);
2416 strcat(vnet
, "/24");
2418 if (get_param_value(buf
, sizeof(buf
), "net", p
)) {
2419 vnet
= qemu_strdup(buf
);
2421 if (get_param_value(buf
, sizeof(buf
), "host", p
)) {
2422 vhost
= qemu_strdup(buf
);
2424 if (get_param_value(buf
, sizeof(buf
), "hostname", p
)) {
2425 vhostname
= qemu_strdup(buf
);
2427 if (get_param_value(buf
, sizeof(buf
), "restrict", p
)) {
2428 restricted
= (buf
[0] == 'y') ? 1 : 0;
2430 if (get_param_value(buf
, sizeof(buf
), "dhcpstart", p
)) {
2431 vdhcp_start
= qemu_strdup(buf
);
2433 if (get_param_value(buf
, sizeof(buf
), "dns", p
)) {
2434 vnamesrv
= qemu_strdup(buf
);
2436 if (get_param_value(buf
, sizeof(buf
), "tftp", p
)) {
2437 tftp_export
= qemu_strdup(buf
);
2439 if (get_param_value(buf
, sizeof(buf
), "bootfile", p
)) {
2440 bootfile
= qemu_strdup(buf
);
2442 if (get_param_value(buf
, sizeof(buf
), "smb", p
)) {
2443 smb_export
= qemu_strdup(buf
);
2444 if (get_param_value(buf
, sizeof(buf
), "smbserver", p
)) {
2445 vsmbsrv
= qemu_strdup(buf
);
2450 config
= qemu_malloc(sizeof(*config
));
2451 if (!get_next_param_value(config
->str
, sizeof(config
->str
),
2455 config
->flags
= SLIRP_CFG_HOSTFWD
;
2456 config
->next
= slirp_configs
;
2457 slirp_configs
= config
;
2462 config
= qemu_malloc(sizeof(*config
));
2463 if (!get_next_param_value(config
->str
, sizeof(config
->str
),
2468 config
->next
= slirp_configs
;
2469 slirp_configs
= config
;
2473 vlan
->nb_host_devs
++;
2474 ret
= net_slirp_init(mon
, vlan
, device
, name
, restricted
, vnet
, vhost
,
2475 vhostname
, tftp_export
, bootfile
, vdhcp_start
,
2476 vnamesrv
, smb_export
, vsmbsrv
);
2479 qemu_free(vhostname
);
2480 qemu_free(tftp_export
);
2481 qemu_free(bootfile
);
2482 qemu_free(vdhcp_start
);
2483 qemu_free(vnamesrv
);
2484 qemu_free(smb_export
);
2486 } else if (!strcmp(device
, "channel")) {
2487 if (!slirp_inited
) {
2488 struct slirp_config_str
*config
;
2490 config
= qemu_malloc(sizeof(*config
));
2491 pstrcpy(config
->str
, sizeof(config
->str
), p
);
2492 config
->flags
= SLIRP_CFG_LEGACY
;
2493 config
->next
= slirp_configs
;
2494 slirp_configs
= config
;
2496 slirp_guestfwd(mon
, p
, 1);
2502 if (!strcmp(device
, "tap")) {
2503 static const char * const tap_params
[] = {
2504 "vlan", "name", "ifname", NULL
2508 if (check_params(buf
, sizeof(buf
), tap_params
, p
) < 0) {
2509 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2513 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
2514 config_error(mon
, "tap: no interface name\n");
2518 vlan
->nb_host_devs
++;
2519 ret
= tap_win32_init(vlan
, device
, name
, ifname
);
2521 #elif defined (_AIX)
2523 if (!strcmp(device
, "tap")) {
2524 char ifname
[64], chkbuf
[64];
2525 char setup_script
[1024], down_script
[1024];
2528 vlan
->nb_host_devs
++;
2529 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
2530 static const char * const fd_params
[] = {
2531 "vlan", "name", "fd", "sndbuf", NULL
2533 if (check_params(chkbuf
, sizeof(chkbuf
), fd_params
, p
) < 0) {
2534 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2538 fd
= strtol(buf
, NULL
, 0);
2539 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
2540 s
= net_tap_fd_init(vlan
, device
, name
, fd
);
2542 static const char * const tap_params
[] = {
2543 "vlan", "name", "ifname", "script", "downscript", "sndbuf", NULL
2545 if (check_params(chkbuf
, sizeof(chkbuf
), tap_params
, p
) < 0) {
2546 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2550 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
2553 if (get_param_value(setup_script
, sizeof(setup_script
), "script", p
) == 0) {
2554 pstrcpy(setup_script
, sizeof(setup_script
), DEFAULT_NETWORK_SCRIPT
);
2556 if (get_param_value(down_script
, sizeof(down_script
), "downscript", p
) == 0) {
2557 pstrcpy(down_script
, sizeof(down_script
), DEFAULT_NETWORK_DOWN_SCRIPT
);
2559 s
= net_tap_init(vlan
, device
, name
, ifname
, setup_script
, down_script
);
2562 if (get_param_value(buf
, sizeof(buf
), "sndbuf", p
)) {
2563 tap_set_sndbuf(s
, atoi(buf
), mon
);
2571 if (!strcmp(device
, "socket")) {
2573 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
2574 static const char * const fd_params
[] = {
2575 "vlan", "name", "fd", NULL
2578 if (check_params(chkbuf
, sizeof(chkbuf
), fd_params
, p
) < 0) {
2579 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2583 fd
= strtol(buf
, NULL
, 0);
2585 if (net_socket_fd_init(vlan
, device
, name
, fd
, 1))
2587 } else if (get_param_value(buf
, sizeof(buf
), "listen", p
) > 0) {
2588 static const char * const listen_params
[] = {
2589 "vlan", "name", "listen", NULL
2591 if (check_params(chkbuf
, sizeof(chkbuf
), listen_params
, p
) < 0) {
2592 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2596 ret
= net_socket_listen_init(vlan
, device
, name
, buf
);
2597 } else if (get_param_value(buf
, sizeof(buf
), "connect", p
) > 0) {
2598 static const char * const connect_params
[] = {
2599 "vlan", "name", "connect", NULL
2601 if (check_params(chkbuf
, sizeof(chkbuf
), connect_params
, p
) < 0) {
2602 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2606 ret
= net_socket_connect_init(vlan
, device
, name
, buf
);
2607 } else if (get_param_value(buf
, sizeof(buf
), "mcast", p
) > 0) {
2608 static const char * const mcast_params
[] = {
2609 "vlan", "name", "mcast", NULL
2611 if (check_params(chkbuf
, sizeof(chkbuf
), mcast_params
, p
) < 0) {
2612 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2616 ret
= net_socket_mcast_init(vlan
, device
, name
, buf
);
2618 config_error(mon
, "Unknown socket options: %s\n", p
);
2622 vlan
->nb_host_devs
++;
2625 if (!strcmp(device
, "vde")) {
2626 static const char * const vde_params
[] = {
2627 "vlan", "name", "sock", "port", "group", "mode", NULL
2629 char vde_sock
[1024], vde_group
[512];
2630 int vde_port
, vde_mode
;
2632 if (check_params(buf
, sizeof(buf
), vde_params
, p
) < 0) {
2633 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2637 vlan
->nb_host_devs
++;
2638 if (get_param_value(vde_sock
, sizeof(vde_sock
), "sock", p
) <= 0) {
2641 if (get_param_value(buf
, sizeof(buf
), "port", p
) > 0) {
2642 vde_port
= strtol(buf
, NULL
, 10);
2646 if (get_param_value(vde_group
, sizeof(vde_group
), "group", p
) <= 0) {
2647 vde_group
[0] = '\0';
2649 if (get_param_value(buf
, sizeof(buf
), "mode", p
) > 0) {
2650 vde_mode
= strtol(buf
, NULL
, 8);
2654 ret
= net_vde_init(vlan
, device
, name
, vde_sock
, vde_port
, vde_group
, vde_mode
);
2657 if (!strcmp(device
, "dump")) {
2660 if (get_param_value(buf
, sizeof(buf
), "len", p
) > 0) {
2661 len
= strtol(buf
, NULL
, 0);
2663 if (!get_param_value(buf
, sizeof(buf
), "file", p
)) {
2664 snprintf(buf
, sizeof(buf
), "qemu-vlan%d.pcap", vlan_id
);
2666 ret
= net_dump_init(mon
, vlan
, device
, name
, buf
, len
);
2668 config_error(mon
, "Unknown network device: %s\n", device
);
2673 config_error(mon
, "Could not initialize device '%s'\n", device
);
2680 void net_client_uninit(NICInfo
*nd
)
2682 nd
->vlan
->nb_guest_devs
--;
2685 free((void *)nd
->model
);
2688 static int net_host_check_device(const char *device
)
2691 const char *valid_param_list
[] = { "tap", "socket", "dump"
2699 for (i
= 0; i
< sizeof(valid_param_list
) / sizeof(char *); i
++) {
2700 if (!strncmp(valid_param_list
[i
], device
,
2701 strlen(valid_param_list
[i
])))
2708 void net_host_device_add(Monitor
*mon
, const char *device
, const char *opts
)
2710 if (!net_host_check_device(device
)) {
2711 monitor_printf(mon
, "invalid host network device %s\n", device
);
2714 if (net_client_init(mon
, device
, opts
? opts
: "") < 0) {
2715 monitor_printf(mon
, "adding host network device %s failed\n", device
);
2719 void net_host_device_remove(Monitor
*mon
, int vlan_id
, const char *device
)
2722 VLANClientState
*vc
;
2724 vlan
= qemu_find_vlan(vlan_id
);
2726 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
2727 if (!strcmp(vc
->name
, device
)) {
2733 monitor_printf(mon
, "can't find device %s\n", device
);
2736 if (!net_host_check_device(vc
->model
)) {
2737 monitor_printf(mon
, "invalid host network device %s\n", device
);
2740 qemu_del_vlan_client(vc
);
2743 int net_client_parse(const char *str
)
2751 while (*p
!= '\0' && *p
!= ',') {
2752 if ((q
- device
) < sizeof(device
) - 1)
2760 return net_client_init(NULL
, device
, p
);
2763 void net_set_boot_mask(int net_boot_mask
)
2767 /* Only the first four NICs may be bootable */
2768 net_boot_mask
= net_boot_mask
& 0xF;
2770 for (i
= 0; i
< nb_nics
; i
++) {
2771 if (net_boot_mask
& (1 << i
)) {
2772 nd_table
[i
].bootable
= 1;
2773 net_boot_mask
&= ~(1 << i
);
2777 if (net_boot_mask
) {
2778 fprintf(stderr
, "Cannot boot from non-existent NIC\n");
2783 void do_info_network(Monitor
*mon
)
2786 VLANClientState
*vc
;
2788 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2789 monitor_printf(mon
, "VLAN %d devices:\n", vlan
->id
);
2790 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
2791 monitor_printf(mon
, " %s: %s\n", vc
->name
, vc
->info_str
);
2795 int do_set_link(Monitor
*mon
, const char *name
, const char *up_or_down
)
2798 VLANClientState
*vc
= NULL
;
2800 for (vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
)
2801 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
2802 if (strcmp(vc
->name
, name
) == 0)
2807 monitor_printf(mon
, "could not find network device '%s'", name
);
2811 if (strcmp(up_or_down
, "up") == 0)
2813 else if (strcmp(up_or_down
, "down") == 0)
2816 monitor_printf(mon
, "invalid link status '%s'; only 'up' or 'down' "
2817 "valid\n", up_or_down
);
2819 if (vc
->link_status_changed
)
2820 vc
->link_status_changed(vc
);
2825 void net_cleanup(void)
2829 /* close network clients */
2830 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2831 VLANClientState
*vc
= vlan
->first_client
;
2834 VLANClientState
*next
= vc
->next
;
2836 qemu_del_vlan_client(vc
);
2843 void net_client_check(void)
2847 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2848 if (vlan
->nb_guest_devs
== 0 && vlan
->nb_host_devs
== 0)
2850 if (vlan
->nb_guest_devs
== 0)
2851 fprintf(stderr
, "Warning: vlan %d with no nics\n", vlan
->id
);
2852 if (vlan
->nb_host_devs
== 0)
2854 "Warning: vlan %d is not connected to host network\n",