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 #include "slirp/libslirp.h"
126 static VLANState
*first_vlan
;
128 /***********************************************************/
129 /* network device redirectors */
131 #if defined(DEBUG_NET) || defined(DEBUG_SLIRP)
132 static void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
136 for(i
=0;i
<size
;i
+=16) {
140 fprintf(f
, "%08x ", i
);
143 fprintf(f
, " %02x", buf
[i
+j
]);
150 if (c
< ' ' || c
> '~')
159 static int parse_macaddr(uint8_t *macaddr
, const char *p
)
166 offset
= strtol(p
, &last_char
, 0);
167 if (0 == errno
&& '\0' == *last_char
&&
168 offset
>= 0 && offset
<= 0xFFFFFF) {
169 macaddr
[3] = (offset
& 0xFF0000) >> 16;
170 macaddr
[4] = (offset
& 0xFF00) >> 8;
171 macaddr
[5] = offset
& 0xFF;
174 for(i
= 0; i
< 6; i
++) {
175 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
180 if (*p
!= ':' && *p
!= '-')
191 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
202 if (len
> buf_size
- 1)
211 int parse_host_src_port(struct sockaddr_in
*haddr
,
212 struct sockaddr_in
*saddr
,
213 const char *input_str
)
215 char *str
= strdup(input_str
);
216 char *host_str
= str
;
218 const char *src_str2
;
222 * Chop off any extra arguments at the end of the string which
223 * would start with a comma, then fill in the src port information
224 * if it was provided else use the "any address" and "any port".
226 if ((ptr
= strchr(str
,',')))
229 if ((src_str
= strchr(input_str
,'@'))) {
234 if (parse_host_port(haddr
, host_str
) < 0)
238 if (!src_str
|| *src_str
== '\0')
241 if (parse_host_port(saddr
, src_str2
) < 0)
252 int parse_host_port(struct sockaddr_in
*saddr
, const char *str
)
260 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
262 saddr
->sin_family
= AF_INET
;
263 if (buf
[0] == '\0') {
264 saddr
->sin_addr
.s_addr
= 0;
266 if (qemu_isdigit(buf
[0])) {
267 if (!inet_aton(buf
, &saddr
->sin_addr
))
270 if ((he
= gethostbyname(buf
)) == NULL
)
272 saddr
->sin_addr
= *(struct in_addr
*)he
->h_addr
;
275 port
= strtol(p
, (char **)&r
, 0);
278 saddr
->sin_port
= htons(port
);
282 #if !defined(_WIN32) && 0
283 static int parse_unix_path(struct sockaddr_un
*uaddr
, const char *str
)
288 len
= MIN(108, strlen(str
));
289 p
= strchr(str
, ',');
291 len
= MIN(len
, p
- str
);
293 memset(uaddr
, 0, sizeof(*uaddr
));
295 uaddr
->sun_family
= AF_UNIX
;
296 memcpy(uaddr
->sun_path
, str
, len
);
302 void qemu_format_nic_info_str(VLANClientState
*vc
, uint8_t macaddr
[6])
304 snprintf(vc
->info_str
, sizeof(vc
->info_str
),
305 "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
307 macaddr
[0], macaddr
[1], macaddr
[2],
308 macaddr
[3], macaddr
[4], macaddr
[5]);
311 static char *assign_name(VLANClientState
*vc1
, const char *model
)
317 for (vlan
= first_vlan
; vlan
; vlan
= vlan
->next
) {
320 for (vc
= vlan
->first_client
; vc
; vc
= vc
->next
)
321 if (vc
!= vc1
&& strcmp(vc
->model
, model
) == 0)
325 snprintf(buf
, sizeof(buf
), "%s.%d", model
, id
);
330 VLANClientState
*qemu_new_vlan_client(VLANState
*vlan
,
333 NetCanReceive
*can_receive
,
335 NetReceiveIOV
*receive_iov
,
339 VLANClientState
*vc
, **pvc
;
340 vc
= qemu_mallocz(sizeof(VLANClientState
));
341 vc
->model
= strdup(model
);
343 vc
->name
= strdup(name
);
345 vc
->name
= assign_name(vc
, model
);
346 vc
->can_receive
= can_receive
;
347 vc
->receive
= receive
;
348 vc
->receive_iov
= receive_iov
;
349 vc
->cleanup
= cleanup
;
354 pvc
= &vlan
->first_client
;
361 void qemu_del_vlan_client(VLANClientState
*vc
)
363 VLANClientState
**pvc
= &vc
->vlan
->first_client
;
379 VLANClientState
*qemu_find_vlan_client(VLANState
*vlan
, void *opaque
)
381 VLANClientState
**pvc
= &vlan
->first_client
;
384 if ((*pvc
)->opaque
== opaque
)
392 int qemu_can_send_packet(VLANClientState
*sender
)
394 VLANState
*vlan
= sender
->vlan
;
397 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
402 /* no can_receive() handler, they can always receive */
403 if (!vc
->can_receive
|| vc
->can_receive(vc
)) {
411 qemu_deliver_packet(VLANClientState
*sender
, const uint8_t *buf
, int size
)
416 sender
->vlan
->delivering
= 1;
418 for (vc
= sender
->vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
430 len
= vc
->receive(vc
, buf
, size
);
432 ret
= (ret
>= 0) ? ret
: len
;
435 sender
->vlan
->delivering
= 0;
440 void qemu_purge_queued_packets(VLANClientState
*vc
)
442 VLANPacket
**pp
= &vc
->vlan
->send_queue
;
444 while (*pp
!= NULL
) {
445 VLANPacket
*packet
= *pp
;
447 if (packet
->sender
== vc
) {
456 void qemu_flush_queued_packets(VLANClientState
*vc
)
460 while ((packet
= vc
->vlan
->send_queue
) != NULL
) {
463 vc
->vlan
->send_queue
= packet
->next
;
465 ret
= qemu_deliver_packet(packet
->sender
, packet
->data
, packet
->size
);
466 if (ret
== 0 && packet
->sent_cb
!= NULL
) {
467 packet
->next
= vc
->vlan
->send_queue
;
468 vc
->vlan
->send_queue
= packet
;
473 packet
->sent_cb(packet
->sender
, ret
);
479 static void qemu_enqueue_packet(VLANClientState
*sender
,
480 const uint8_t *buf
, int size
,
481 NetPacketSent
*sent_cb
)
485 packet
= qemu_malloc(sizeof(VLANPacket
) + size
);
486 packet
->next
= sender
->vlan
->send_queue
;
487 packet
->sender
= sender
;
489 packet
->sent_cb
= sent_cb
;
490 memcpy(packet
->data
, buf
, size
);
491 sender
->vlan
->send_queue
= packet
;
494 ssize_t
qemu_send_packet_async(VLANClientState
*sender
,
495 const uint8_t *buf
, int size
,
496 NetPacketSent
*sent_cb
)
500 if (sender
->link_down
) {
505 printf("vlan %d send:\n", sender
->vlan
->id
);
506 hex_dump(stdout
, buf
, size
);
509 if (sender
->vlan
->delivering
) {
510 qemu_enqueue_packet(sender
, buf
, size
, NULL
);
514 ret
= qemu_deliver_packet(sender
, buf
, size
);
515 if (ret
== 0 && sent_cb
!= NULL
) {
516 qemu_enqueue_packet(sender
, buf
, size
, sent_cb
);
520 qemu_flush_queued_packets(sender
);
525 void qemu_send_packet(VLANClientState
*vc
, const uint8_t *buf
, int size
)
527 qemu_send_packet_async(vc
, buf
, size
, NULL
);
530 static ssize_t
vc_sendv_compat(VLANClientState
*vc
, const struct iovec
*iov
,
533 uint8_t buffer
[4096];
537 for (i
= 0; i
< iovcnt
; i
++) {
540 len
= MIN(sizeof(buffer
) - offset
, iov
[i
].iov_len
);
541 memcpy(buffer
+ offset
, iov
[i
].iov_base
, len
);
545 return vc
->receive(vc
, buffer
, offset
);
548 static ssize_t
calc_iov_length(const struct iovec
*iov
, int iovcnt
)
553 for (i
= 0; i
< iovcnt
; i
++)
554 offset
+= iov
[i
].iov_len
;
558 static int qemu_deliver_packet_iov(VLANClientState
*sender
,
559 const struct iovec
*iov
, int iovcnt
)
564 sender
->vlan
->delivering
= 1;
566 for (vc
= sender
->vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
574 ret
= calc_iov_length(iov
, iovcnt
);
578 if (vc
->receive_iov
) {
579 len
= vc
->receive_iov(vc
, iov
, iovcnt
);
581 len
= vc_sendv_compat(vc
, iov
, iovcnt
);
584 ret
= (ret
>= 0) ? ret
: len
;
587 sender
->vlan
->delivering
= 0;
592 static ssize_t
qemu_enqueue_packet_iov(VLANClientState
*sender
,
593 const struct iovec
*iov
, int iovcnt
,
594 NetPacketSent
*sent_cb
)
600 max_len
= calc_iov_length(iov
, iovcnt
);
602 packet
= qemu_malloc(sizeof(VLANPacket
) + max_len
);
603 packet
->next
= sender
->vlan
->send_queue
;
604 packet
->sender
= sender
;
605 packet
->sent_cb
= sent_cb
;
608 for (i
= 0; i
< iovcnt
; i
++) {
609 size_t len
= iov
[i
].iov_len
;
611 memcpy(packet
->data
+ packet
->size
, iov
[i
].iov_base
, len
);
615 sender
->vlan
->send_queue
= packet
;
620 ssize_t
qemu_sendv_packet_async(VLANClientState
*sender
,
621 const struct iovec
*iov
, int iovcnt
,
622 NetPacketSent
*sent_cb
)
626 if (sender
->link_down
) {
627 return calc_iov_length(iov
, iovcnt
);
630 if (sender
->vlan
->delivering
) {
631 return qemu_enqueue_packet_iov(sender
, iov
, iovcnt
, NULL
);
634 ret
= qemu_deliver_packet_iov(sender
, iov
, iovcnt
);
635 if (ret
== 0 && sent_cb
!= NULL
) {
636 qemu_enqueue_packet_iov(sender
, iov
, iovcnt
, sent_cb
);
640 qemu_flush_queued_packets(sender
);
646 qemu_sendv_packet(VLANClientState
*vc
, const struct iovec
*iov
, int iovcnt
)
648 return qemu_sendv_packet_async(vc
, iov
, iovcnt
, NULL
);
651 static void config_error(Monitor
*mon
, const char *fmt
, ...)
657 monitor_vprintf(mon
, fmt
, ap
);
659 fprintf(stderr
, "qemu: ");
660 vfprintf(stderr
, fmt
, ap
);
666 #if defined(CONFIG_SLIRP)
668 /* slirp network adapter */
670 #define SLIRP_CFG_HOSTFWD 1
671 #define SLIRP_CFG_LEGACY 2
673 struct slirp_config_str
{
674 struct slirp_config_str
*next
;
680 static int slirp_inited
;
681 static struct slirp_config_str
*slirp_configs
;
682 const char *legacy_tftp_prefix
;
683 const char *legacy_bootp_filename
;
684 static VLANClientState
*slirp_vc
;
686 static void slirp_hostfwd(Monitor
*mon
, const char *redir_str
,
688 static void slirp_guestfwd(Monitor
*mon
, const char *config_str
,
692 static const char *legacy_smb_export
;
694 static void slirp_smb(const char *exported_dir
, struct in_addr vserver_addr
);
697 int slirp_can_output(void)
699 return !slirp_vc
|| qemu_can_send_packet(slirp_vc
);
702 void slirp_output(const uint8_t *pkt
, int pkt_len
)
705 printf("slirp output:\n");
706 hex_dump(stdout
, pkt
, pkt_len
);
710 qemu_send_packet(slirp_vc
, pkt
, pkt_len
);
713 static ssize_t
slirp_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
716 printf("slirp input:\n");
717 hex_dump(stdout
, buf
, size
);
719 slirp_input(buf
, size
);
723 static int slirp_in_use
;
725 static void net_slirp_cleanup(VLANClientState
*vc
)
730 static int net_slirp_init(Monitor
*mon
, VLANState
*vlan
, const char *model
,
731 const char *name
, int restricted
,
732 const char *vnetwork
, const char *vhost
,
733 const char *vhostname
, const char *tftp_export
,
734 const char *bootfile
, const char *vdhcp_start
,
735 const char *vnameserver
, const char *smb_export
,
736 const char *vsmbserver
)
739 /* slirp only supports a single instance so far */
743 /* default settings according to historic slirp */
744 struct in_addr net
= { .s_addr
= htonl(0x0a000000) }; /* 10.0.0.0 */
745 struct in_addr mask
= { .s_addr
= htonl(0xff000000) }; /* 255.0.0.0 */
746 struct in_addr host
= { .s_addr
= htonl(0x0a000202) }; /* 10.0.2.2 */
747 struct in_addr dhcp
= { .s_addr
= htonl(0x0a00020f) }; /* 10.0.2.15 */
748 struct in_addr dns
= { .s_addr
= htonl(0x0a000203) }; /* 10.0.2.3 */
750 struct in_addr smbsrv
= { .s_addr
= 0 };
758 tftp_export
= legacy_tftp_prefix
;
761 bootfile
= legacy_bootp_filename
;
765 if (get_str_sep(buf
, sizeof(buf
), &vnetwork
, '/') < 0) {
766 if (!inet_aton(vnetwork
, &net
)) {
769 addr
= ntohl(net
.s_addr
);
770 if (!(addr
& 0x80000000)) {
771 mask
.s_addr
= htonl(0xff000000); /* class A */
772 } else if ((addr
& 0xfff00000) == 0xac100000) {
773 mask
.s_addr
= htonl(0xfff00000); /* priv. 172.16.0.0/12 */
774 } else if ((addr
& 0xc0000000) == 0x80000000) {
775 mask
.s_addr
= htonl(0xffff0000); /* class B */
776 } else if ((addr
& 0xffff0000) == 0xc0a80000) {
777 mask
.s_addr
= htonl(0xffff0000); /* priv. 192.168.0.0/16 */
778 } else if ((addr
& 0xffff0000) == 0xc6120000) {
779 mask
.s_addr
= htonl(0xfffe0000); /* tests 198.18.0.0/15 */
780 } else if ((addr
& 0xe0000000) == 0xe0000000) {
781 mask
.s_addr
= htonl(0xffffff00); /* class C */
783 mask
.s_addr
= htonl(0xfffffff0); /* multicast/reserved */
786 if (!inet_aton(buf
, &net
)) {
789 shift
= strtol(vnetwork
, &end
, 10);
791 if (!inet_aton(vnetwork
, &mask
)) {
794 } else if (shift
< 4 || shift
> 32) {
797 mask
.s_addr
= htonl(0xffffffff << (32 - shift
));
800 net
.s_addr
&= mask
.s_addr
;
801 host
.s_addr
= net
.s_addr
| (htonl(0x0202) & ~mask
.s_addr
);
802 dhcp
.s_addr
= net
.s_addr
| (htonl(0x020f) & ~mask
.s_addr
);
803 dns
.s_addr
= net
.s_addr
| (htonl(0x0203) & ~mask
.s_addr
);
806 if (vhost
&& !inet_aton(vhost
, &host
)) {
809 if ((host
.s_addr
& mask
.s_addr
) != net
.s_addr
) {
813 if (vdhcp_start
&& !inet_aton(vdhcp_start
, &dhcp
)) {
816 if ((dhcp
.s_addr
& mask
.s_addr
) != net
.s_addr
||
817 dhcp
.s_addr
== host
.s_addr
|| dhcp
.s_addr
== dns
.s_addr
) {
821 if (vnameserver
&& !inet_aton(vnameserver
, &dns
)) {
824 if ((dns
.s_addr
& mask
.s_addr
) != net
.s_addr
||
825 dns
.s_addr
== host
.s_addr
) {
830 if (vsmbserver
&& !inet_aton(vsmbserver
, &smbsrv
)) {
835 slirp_init(restricted
, net
, mask
, host
, vhostname
, tftp_export
,
836 bootfile
, dhcp
, dns
);
839 while (slirp_configs
) {
840 struct slirp_config_str
*config
= slirp_configs
;
842 if (config
->flags
& SLIRP_CFG_HOSTFWD
) {
843 slirp_hostfwd(mon
, config
->str
,
844 config
->flags
& SLIRP_CFG_LEGACY
);
846 slirp_guestfwd(mon
, config
->str
,
847 config
->flags
& SLIRP_CFG_LEGACY
);
849 slirp_configs
= config
->next
;
854 smb_export
= legacy_smb_export
;
857 slirp_smb(smb_export
, smbsrv
);
862 slirp_vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, slirp_receive
,
863 NULL
, net_slirp_cleanup
, NULL
);
864 slirp_vc
->info_str
[0] = '\0';
869 void net_slirp_hostfwd_remove(Monitor
*mon
, const char *src_str
)
871 struct in_addr host_addr
= { .s_addr
= INADDR_ANY
};
874 const char *p
= src_str
;
879 monitor_printf(mon
, "user mode network stack not in use\n");
883 if (!src_str
|| !src_str
[0])
886 get_str_sep(buf
, sizeof(buf
), &p
, ':');
888 if (!strcmp(buf
, "tcp") || buf
[0] == '\0') {
890 } else if (!strcmp(buf
, "udp")) {
896 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
899 if (buf
[0] != '\0' && !inet_aton(buf
, &host_addr
)) {
905 err
= slirp_remove_hostfwd(is_udp
, host_addr
, host_port
);
907 monitor_printf(mon
, "host forwarding rule for %s %s\n", src_str
,
908 err
? "removed" : "not found");
912 monitor_printf(mon
, "invalid format\n");
915 static void slirp_hostfwd(Monitor
*mon
, const char *redir_str
,
918 struct in_addr host_addr
= { .s_addr
= INADDR_ANY
};
919 struct in_addr guest_addr
= { .s_addr
= 0 };
920 int host_port
, guest_port
;
927 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
930 if (!strcmp(buf
, "tcp") || buf
[0] == '\0') {
932 } else if (!strcmp(buf
, "udp")) {
938 if (!legacy_format
) {
939 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
942 if (buf
[0] != '\0' && !inet_aton(buf
, &host_addr
)) {
947 if (get_str_sep(buf
, sizeof(buf
), &p
, legacy_format
? ':' : '-') < 0) {
950 host_port
= strtol(buf
, &end
, 0);
951 if (*end
!= '\0' || host_port
< 1 || host_port
> 65535) {
955 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
958 if (buf
[0] != '\0' && !inet_aton(buf
, &guest_addr
)) {
962 guest_port
= strtol(p
, &end
, 0);
963 if (*end
!= '\0' || guest_port
< 1 || guest_port
> 65535) {
967 if (slirp_add_hostfwd(is_udp
, host_addr
, host_port
,
968 guest_addr
, guest_port
) < 0) {
969 config_error(mon
, "could not set up host forwarding rule '%s'\n",
975 config_error(mon
, "invalid host forwarding rule '%s'\n", redir_str
);
978 void net_slirp_hostfwd_add(Monitor
*mon
, const char *redir_str
)
981 monitor_printf(mon
, "user mode network stack not in use\n");
985 slirp_hostfwd(mon
, redir_str
, 0);
988 void net_slirp_redir(const char *redir_str
)
990 struct slirp_config_str
*config
;
993 config
= qemu_malloc(sizeof(*config
));
994 pstrcpy(config
->str
, sizeof(config
->str
), redir_str
);
995 config
->flags
= SLIRP_CFG_HOSTFWD
| SLIRP_CFG_LEGACY
;
996 config
->next
= slirp_configs
;
997 slirp_configs
= config
;
1001 slirp_hostfwd(NULL
, redir_str
, 1);
1006 static char smb_dir
[1024];
1008 static void erase_dir(char *dir_name
)
1012 char filename
[1024];
1014 /* erase all the files in the directory */
1015 if ((d
= opendir(dir_name
)) != NULL
) {
1020 if (strcmp(de
->d_name
, ".") != 0 &&
1021 strcmp(de
->d_name
, "..") != 0) {
1022 snprintf(filename
, sizeof(filename
), "%s/%s",
1023 smb_dir
, de
->d_name
);
1024 if (unlink(filename
) != 0) /* is it a directory? */
1025 erase_dir(filename
);
1033 /* automatic user mode samba server configuration */
1034 static void smb_exit(void)
1039 static void slirp_smb(const char *exported_dir
, struct in_addr vserver_addr
)
1041 char smb_conf
[1024];
1042 char smb_cmdline
[1024];
1045 /* XXX: better tmp dir construction */
1046 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%ld", (long)getpid());
1047 if (mkdir(smb_dir
, 0700) < 0) {
1048 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
1051 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
1053 f
= fopen(smb_conf
, "w");
1055 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
1062 "socket address=127.0.0.1\n"
1063 "pid directory=%s\n"
1064 "lock directory=%s\n"
1065 "log file=%s/log.smbd\n"
1066 "smb passwd file=%s/smbpasswd\n"
1067 "security = share\n"
1082 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "%s -s %s",
1083 SMBD_COMMAND
, smb_conf
);
1085 if (slirp_add_exec(0, smb_cmdline
, vserver_addr
, 139) < 0) {
1086 fprintf(stderr
, "conflicting/invalid smbserver address\n");
1091 /* automatic user mode samba server configuration (legacy interface) */
1092 void net_slirp_smb(const char *exported_dir
)
1094 struct in_addr vserver_addr
= { .s_addr
= 0 };
1096 if (legacy_smb_export
) {
1097 fprintf(stderr
, "-smb given twice\n");
1100 legacy_smb_export
= exported_dir
;
1102 slirp_smb(exported_dir
, vserver_addr
);
1106 #endif /* !defined(_WIN32) */
1109 CharDriverState
*hd
;
1110 struct in_addr server
;
1114 static int guestfwd_can_read(void *opaque
)
1116 struct GuestFwd
*fwd
= opaque
;
1117 return slirp_socket_can_recv(fwd
->server
, fwd
->port
);
1120 static void guestfwd_read(void *opaque
, const uint8_t *buf
, int size
)
1122 struct GuestFwd
*fwd
= opaque
;
1123 slirp_socket_recv(fwd
->server
, fwd
->port
, buf
, size
);
1126 static void slirp_guestfwd(Monitor
*mon
, const char *config_str
,
1129 struct in_addr server
= { .s_addr
= 0 };
1130 struct GuestFwd
*fwd
;
1137 if (legacy_format
) {
1138 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
1142 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
1145 if (strcmp(buf
, "tcp") && buf
[0] != '\0') {
1148 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
1151 if (buf
[0] != '\0' && !inet_aton(buf
, &server
)) {
1154 if (get_str_sep(buf
, sizeof(buf
), &p
, '-') < 0) {
1158 port
= strtol(buf
, &end
, 10);
1159 if (*end
!= '\0' || port
< 1 || port
> 65535) {
1163 fwd
= qemu_malloc(sizeof(struct GuestFwd
));
1164 snprintf(buf
, sizeof(buf
), "guestfwd.tcp:%d", port
);
1165 fwd
->hd
= qemu_chr_open(buf
, p
, NULL
);
1167 config_error(mon
, "could not open guest forwarding device '%s'\n",
1172 fwd
->server
= server
;
1175 if (slirp_add_exec(3, fwd
->hd
, server
, port
) < 0) {
1176 config_error(mon
, "conflicting/invalid host:port in guest forwarding "
1177 "rule '%s'\n", config_str
);
1181 qemu_chr_add_handlers(fwd
->hd
, guestfwd_can_read
, guestfwd_read
,
1186 config_error(mon
, "invalid guest forwarding rule '%s'\n", config_str
);
1189 void do_info_usernet(Monitor
*mon
)
1191 monitor_printf(mon
, "VLAN %d (%s):\n", slirp_vc
->vlan
->id
, slirp_vc
->name
);
1192 slirp_connection_info(mon
);
1195 #endif /* CONFIG_SLIRP */
1197 #if !defined(_WIN32)
1199 typedef struct TAPState
{
1200 VLANClientState
*vc
;
1202 char down_script
[1024];
1203 char down_script_arg
[128];
1205 unsigned int read_poll
: 1;
1206 unsigned int write_poll
: 1;
1209 static int launch_script(const char *setup_script
, const char *ifname
, int fd
);
1211 static int tap_can_send(void *opaque
);
1212 static void tap_send(void *opaque
);
1213 static void tap_writable(void *opaque
);
1215 static void tap_update_fd_handler(TAPState
*s
)
1217 qemu_set_fd_handler2(s
->fd
,
1218 s
->read_poll
? tap_can_send
: NULL
,
1219 s
->read_poll
? tap_send
: NULL
,
1220 s
->write_poll
? tap_writable
: NULL
,
1224 static void tap_read_poll(TAPState
*s
, int enable
)
1226 s
->read_poll
= !!enable
;
1227 tap_update_fd_handler(s
);
1230 static void tap_write_poll(TAPState
*s
, int enable
)
1232 s
->write_poll
= !!enable
;
1233 tap_update_fd_handler(s
);
1236 static void tap_writable(void *opaque
)
1238 TAPState
*s
= opaque
;
1240 tap_write_poll(s
, 0);
1242 qemu_flush_queued_packets(s
->vc
);
1245 static ssize_t
tap_receive_iov(VLANClientState
*vc
, const struct iovec
*iov
,
1248 TAPState
*s
= vc
->opaque
;
1252 len
= writev(s
->fd
, iov
, iovcnt
);
1253 } while (len
== -1 && errno
== EINTR
);
1255 if (len
== -1 && errno
== EAGAIN
) {
1256 tap_write_poll(s
, 1);
1263 static ssize_t
tap_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1265 TAPState
*s
= vc
->opaque
;
1269 len
= write(s
->fd
, buf
, size
);
1270 } while (len
== -1 && (errno
== EINTR
|| errno
== EAGAIN
));
1275 static int tap_can_send(void *opaque
)
1277 TAPState
*s
= opaque
;
1279 return qemu_can_send_packet(s
->vc
);
1283 static ssize_t
tap_read_packet(int tapfd
, uint8_t *buf
, int maxlen
)
1288 sbuf
.maxlen
= maxlen
;
1289 sbuf
.buf
= (char *)buf
;
1291 return getmsg(tapfd
, NULL
, &sbuf
, &f
) >= 0 ? sbuf
.len
: -1;
1294 static ssize_t
tap_read_packet(int tapfd
, uint8_t *buf
, int maxlen
)
1296 return read(tapfd
, buf
, maxlen
);
1300 static void tap_send_completed(VLANClientState
*vc
, ssize_t len
)
1302 TAPState
*s
= vc
->opaque
;
1303 tap_read_poll(s
, 1);
1306 static void tap_send(void *opaque
)
1308 TAPState
*s
= opaque
;
1312 size
= tap_read_packet(s
->fd
, s
->buf
, sizeof(s
->buf
));
1317 size
= qemu_send_packet_async(s
->vc
, s
->buf
, size
, tap_send_completed
);
1319 tap_read_poll(s
, 0);
1324 static void tap_set_sndbuf(TAPState
*s
, int sndbuf
, Monitor
*mon
)
1327 if (ioctl(s
->fd
, TUNSETSNDBUF
, &sndbuf
) == -1) {
1328 config_error(mon
, "TUNSETSNDBUF ioctl failed: %s\n",
1332 config_error(mon
, "No '-net tap,sndbuf=<nbytes>' support available\n");
1336 static void tap_cleanup(VLANClientState
*vc
)
1338 TAPState
*s
= vc
->opaque
;
1340 qemu_purge_queued_packets(vc
);
1342 if (s
->down_script
[0])
1343 launch_script(s
->down_script
, s
->down_script_arg
, s
->fd
);
1345 tap_read_poll(s
, 0);
1346 tap_write_poll(s
, 0);
1353 static TAPState
*net_tap_fd_init(VLANState
*vlan
,
1360 s
= qemu_mallocz(sizeof(TAPState
));
1362 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, tap_receive
,
1363 tap_receive_iov
, tap_cleanup
, s
);
1364 tap_read_poll(s
, 1);
1365 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "fd=%d", fd
);
1369 #if defined (HOST_BSD) || defined (__FreeBSD_kernel__)
1370 static int tap_open(char *ifname
, int ifname_size
)
1376 TFR(fd
= open("/dev/tap", O_RDWR
));
1378 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1383 dev
= devname(s
.st_rdev
, S_IFCHR
);
1384 pstrcpy(ifname
, ifname_size
, dev
);
1386 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1389 #elif defined(__sun__)
1390 #define TUNNEWPPA (('T'<<16) | 0x0001)
1392 * Allocate TAP device, returns opened fd.
1393 * Stores dev name in the first arg(must be large enough).
1395 static int tap_alloc(char *dev
, size_t dev_size
)
1397 int tap_fd
, if_fd
, ppa
= -1;
1398 static int ip_fd
= 0;
1401 static int arp_fd
= 0;
1402 int ip_muxid
, arp_muxid
;
1403 struct strioctl strioc_if
, strioc_ppa
;
1404 int link_type
= I_PLINK
;;
1406 char actual_name
[32] = "";
1408 memset(&ifr
, 0x0, sizeof(ifr
));
1412 while( *ptr
&& !qemu_isdigit((int)*ptr
) ) ptr
++;
1416 /* Check if IP device was opened */
1420 TFR(ip_fd
= open("/dev/udp", O_RDWR
, 0));
1422 syslog(LOG_ERR
, "Can't open /dev/ip (actually /dev/udp)");
1426 TFR(tap_fd
= open("/dev/tap", O_RDWR
, 0));
1428 syslog(LOG_ERR
, "Can't open /dev/tap");
1432 /* Assign a new PPA and get its unit number. */
1433 strioc_ppa
.ic_cmd
= TUNNEWPPA
;
1434 strioc_ppa
.ic_timout
= 0;
1435 strioc_ppa
.ic_len
= sizeof(ppa
);
1436 strioc_ppa
.ic_dp
= (char *)&ppa
;
1437 if ((ppa
= ioctl (tap_fd
, I_STR
, &strioc_ppa
)) < 0)
1438 syslog (LOG_ERR
, "Can't assign new interface");
1440 TFR(if_fd
= open("/dev/tap", O_RDWR
, 0));
1442 syslog(LOG_ERR
, "Can't open /dev/tap (2)");
1445 if(ioctl(if_fd
, I_PUSH
, "ip") < 0){
1446 syslog(LOG_ERR
, "Can't push IP module");
1450 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) < 0)
1451 syslog(LOG_ERR
, "Can't get flags\n");
1453 snprintf (actual_name
, 32, "tap%d", ppa
);
1454 pstrcpy(ifr
.lifr_name
, sizeof(ifr
.lifr_name
), actual_name
);
1457 /* Assign ppa according to the unit number returned by tun device */
1459 if (ioctl (if_fd
, SIOCSLIFNAME
, &ifr
) < 0)
1460 syslog (LOG_ERR
, "Can't set PPA %d", ppa
);
1461 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) <0)
1462 syslog (LOG_ERR
, "Can't get flags\n");
1463 /* Push arp module to if_fd */
1464 if (ioctl (if_fd
, I_PUSH
, "arp") < 0)
1465 syslog (LOG_ERR
, "Can't push ARP module (2)");
1467 /* Push arp module to ip_fd */
1468 if (ioctl (ip_fd
, I_POP
, NULL
) < 0)
1469 syslog (LOG_ERR
, "I_POP failed\n");
1470 if (ioctl (ip_fd
, I_PUSH
, "arp") < 0)
1471 syslog (LOG_ERR
, "Can't push ARP module (3)\n");
1473 TFR(arp_fd
= open ("/dev/tap", O_RDWR
, 0));
1475 syslog (LOG_ERR
, "Can't open %s\n", "/dev/tap");
1477 /* Set ifname to arp */
1478 strioc_if
.ic_cmd
= SIOCSLIFNAME
;
1479 strioc_if
.ic_timout
= 0;
1480 strioc_if
.ic_len
= sizeof(ifr
);
1481 strioc_if
.ic_dp
= (char *)&ifr
;
1482 if (ioctl(arp_fd
, I_STR
, &strioc_if
) < 0){
1483 syslog (LOG_ERR
, "Can't set ifname to arp\n");
1486 if((ip_muxid
= ioctl(ip_fd
, I_LINK
, if_fd
)) < 0){
1487 syslog(LOG_ERR
, "Can't link TAP device to IP");
1491 if ((arp_muxid
= ioctl (ip_fd
, link_type
, arp_fd
)) < 0)
1492 syslog (LOG_ERR
, "Can't link TAP device to ARP");
1496 memset(&ifr
, 0x0, sizeof(ifr
));
1497 pstrcpy(ifr
.lifr_name
, sizeof(ifr
.lifr_name
), actual_name
);
1498 ifr
.lifr_ip_muxid
= ip_muxid
;
1499 ifr
.lifr_arp_muxid
= arp_muxid
;
1501 if (ioctl (ip_fd
, SIOCSLIFMUXID
, &ifr
) < 0)
1503 ioctl (ip_fd
, I_PUNLINK
, arp_muxid
);
1504 ioctl (ip_fd
, I_PUNLINK
, ip_muxid
);
1505 syslog (LOG_ERR
, "Can't set multiplexor id");
1508 snprintf(dev
, dev_size
, "tap%d", ppa
);
1512 static int tap_open(char *ifname
, int ifname_size
)
1516 if( (fd
= tap_alloc(dev
, sizeof(dev
))) < 0 ){
1517 fprintf(stderr
, "Cannot allocate TAP device\n");
1520 pstrcpy(ifname
, ifname_size
, dev
);
1521 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1524 #elif defined (_AIX)
1525 static int tap_open(char *ifname
, int ifname_size
)
1527 fprintf (stderr
, "no tap on AIX\n");
1531 static int tap_open(char *ifname
, int ifname_size
)
1536 TFR(fd
= open("/dev/net/tun", O_RDWR
));
1538 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1541 memset(&ifr
, 0, sizeof(ifr
));
1542 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1543 if (ifname
[0] != '\0')
1544 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, ifname
);
1546 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tap%d");
1547 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1549 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1553 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1554 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1559 static int launch_script(const char *setup_script
, const char *ifname
, int fd
)
1561 sigset_t oldmask
, mask
;
1567 sigaddset(&mask
, SIGCHLD
);
1568 sigprocmask(SIG_BLOCK
, &mask
, &oldmask
);
1570 /* try to launch network script */
1573 int open_max
= sysconf(_SC_OPEN_MAX
), i
;
1575 for (i
= 0; i
< open_max
; i
++) {
1576 if (i
!= STDIN_FILENO
&&
1577 i
!= STDOUT_FILENO
&&
1578 i
!= STDERR_FILENO
&&
1584 *parg
++ = (char *)setup_script
;
1585 *parg
++ = (char *)ifname
;
1587 execv(setup_script
, args
);
1589 } else if (pid
> 0) {
1590 while (waitpid(pid
, &status
, 0) != pid
) {
1593 sigprocmask(SIG_SETMASK
, &oldmask
, NULL
);
1595 if (WIFEXITED(status
) && WEXITSTATUS(status
) == 0) {
1599 fprintf(stderr
, "%s: could not launch network script\n", setup_script
);
1603 static TAPState
*net_tap_init(VLANState
*vlan
, const char *model
,
1604 const char *name
, const char *ifname1
,
1605 const char *setup_script
, const char *down_script
)
1611 if (ifname1
!= NULL
)
1612 pstrcpy(ifname
, sizeof(ifname
), ifname1
);
1615 TFR(fd
= tap_open(ifname
, sizeof(ifname
)));
1619 if (!setup_script
|| !strcmp(setup_script
, "no"))
1621 if (setup_script
[0] != '\0' &&
1622 launch_script(setup_script
, ifname
, fd
)) {
1625 s
= net_tap_fd_init(vlan
, model
, name
, fd
);
1626 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1627 "ifname=%s,script=%s,downscript=%s",
1628 ifname
, setup_script
, down_script
);
1629 if (down_script
&& strcmp(down_script
, "no")) {
1630 snprintf(s
->down_script
, sizeof(s
->down_script
), "%s", down_script
);
1631 snprintf(s
->down_script_arg
, sizeof(s
->down_script_arg
), "%s", ifname
);
1636 #endif /* !_WIN32 */
1638 #if defined(CONFIG_VDE)
1639 typedef struct VDEState
{
1640 VLANClientState
*vc
;
1644 static void vde_to_qemu(void *opaque
)
1646 VDEState
*s
= opaque
;
1650 size
= vde_recv(s
->vde
, (char *)buf
, sizeof(buf
), 0);
1652 qemu_send_packet(s
->vc
, buf
, size
);
1656 static ssize_t
vde_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1658 VDEState
*s
= vc
->opaque
;
1662 ret
= vde_send(s
->vde
, (const char *)buf
, size
, 0);
1663 } while (ret
< 0 && errno
== EINTR
);
1668 static void vde_cleanup(VLANClientState
*vc
)
1670 VDEState
*s
= vc
->opaque
;
1671 qemu_set_fd_handler(vde_datafd(s
->vde
), NULL
, NULL
, NULL
);
1676 static int net_vde_init(VLANState
*vlan
, const char *model
,
1677 const char *name
, const char *sock
,
1678 int port
, const char *group
, int mode
)
1681 char *init_group
= strlen(group
) ? (char *)group
: NULL
;
1682 char *init_sock
= strlen(sock
) ? (char *)sock
: NULL
;
1684 struct vde_open_args args
= {
1686 .group
= init_group
,
1690 s
= qemu_mallocz(sizeof(VDEState
));
1691 s
->vde
= vde_open(init_sock
, (char *)"QEMU", &args
);
1696 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, vde_receive
,
1697 NULL
, vde_cleanup
, s
);
1698 qemu_set_fd_handler(vde_datafd(s
->vde
), vde_to_qemu
, NULL
, s
);
1699 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "sock=%s,fd=%d",
1700 sock
, vde_datafd(s
->vde
));
1705 /* network connection */
1706 typedef struct NetSocketState
{
1707 VLANClientState
*vc
;
1709 int state
; /* 0 = getting length, 1 = getting data */
1711 unsigned int packet_len
;
1713 struct sockaddr_in dgram_dst
; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
1716 typedef struct NetSocketListenState
{
1721 } NetSocketListenState
;
1723 /* XXX: we consider we can send the whole packet without blocking */
1724 static ssize_t
net_socket_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1726 NetSocketState
*s
= vc
->opaque
;
1730 send_all(s
->fd
, (const uint8_t *)&len
, sizeof(len
));
1731 return send_all(s
->fd
, buf
, size
);
1734 static ssize_t
net_socket_receive_dgram(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1736 NetSocketState
*s
= vc
->opaque
;
1738 return sendto(s
->fd
, (const void *)buf
, size
, 0,
1739 (struct sockaddr
*)&s
->dgram_dst
, sizeof(s
->dgram_dst
));
1742 static void net_socket_send(void *opaque
)
1744 NetSocketState
*s
= opaque
;
1750 size
= recv(s
->fd
, (void *)buf1
, sizeof(buf1
), 0);
1752 err
= socket_error();
1753 if (err
!= EWOULDBLOCK
)
1755 } else if (size
== 0) {
1756 /* end of connection */
1758 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1764 /* reassemble a packet from the network */
1770 memcpy(s
->buf
+ s
->index
, buf
, l
);
1774 if (s
->index
== 4) {
1776 s
->packet_len
= ntohl(*(uint32_t *)s
->buf
);
1782 l
= s
->packet_len
- s
->index
;
1785 if (s
->index
+ l
<= sizeof(s
->buf
)) {
1786 memcpy(s
->buf
+ s
->index
, buf
, l
);
1788 fprintf(stderr
, "serious error: oversized packet received,"
1789 "connection terminated.\n");
1797 if (s
->index
>= s
->packet_len
) {
1798 qemu_send_packet(s
->vc
, s
->buf
, s
->packet_len
);
1807 static void net_socket_send_dgram(void *opaque
)
1809 NetSocketState
*s
= opaque
;
1812 size
= recv(s
->fd
, (void *)s
->buf
, sizeof(s
->buf
), 0);
1816 /* end of connection */
1817 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1820 qemu_send_packet(s
->vc
, s
->buf
, size
);
1823 static int net_socket_mcast_create(struct sockaddr_in
*mcastaddr
)
1828 if (!IN_MULTICAST(ntohl(mcastaddr
->sin_addr
.s_addr
))) {
1829 fprintf(stderr
, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
1830 inet_ntoa(mcastaddr
->sin_addr
),
1831 (int)ntohl(mcastaddr
->sin_addr
.s_addr
));
1835 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
1837 perror("socket(PF_INET, SOCK_DGRAM)");
1842 ret
=setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
,
1843 (const char *)&val
, sizeof(val
));
1845 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
1849 ret
= bind(fd
, (struct sockaddr
*)mcastaddr
, sizeof(*mcastaddr
));
1855 /* Add host to multicast group */
1856 imr
.imr_multiaddr
= mcastaddr
->sin_addr
;
1857 imr
.imr_interface
.s_addr
= htonl(INADDR_ANY
);
1859 ret
= setsockopt(fd
, IPPROTO_IP
, IP_ADD_MEMBERSHIP
,
1860 (const char *)&imr
, sizeof(struct ip_mreq
));
1862 perror("setsockopt(IP_ADD_MEMBERSHIP)");
1866 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
1868 ret
=setsockopt(fd
, IPPROTO_IP
, IP_MULTICAST_LOOP
,
1869 (const char *)&val
, sizeof(val
));
1871 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
1875 socket_set_nonblock(fd
);
1883 static void net_socket_cleanup(VLANClientState
*vc
)
1885 NetSocketState
*s
= vc
->opaque
;
1886 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1891 static NetSocketState
*net_socket_fd_init_dgram(VLANState
*vlan
,
1894 int fd
, int is_connected
)
1896 struct sockaddr_in saddr
;
1898 socklen_t saddr_len
;
1901 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
1902 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
1903 * by ONLY ONE process: we must "clone" this dgram socket --jjo
1907 if (getsockname(fd
, (struct sockaddr
*) &saddr
, &saddr_len
) == 0) {
1909 if (saddr
.sin_addr
.s_addr
==0) {
1910 fprintf(stderr
, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
1914 /* clone dgram socket */
1915 newfd
= net_socket_mcast_create(&saddr
);
1917 /* error already reported by net_socket_mcast_create() */
1921 /* clone newfd to fd, close newfd */
1926 fprintf(stderr
, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
1927 fd
, strerror(errno
));
1932 s
= qemu_mallocz(sizeof(NetSocketState
));
1935 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, net_socket_receive_dgram
,
1936 NULL
, net_socket_cleanup
, s
);
1937 qemu_set_fd_handler(s
->fd
, net_socket_send_dgram
, NULL
, s
);
1939 /* mcast: save bound address as dst */
1940 if (is_connected
) s
->dgram_dst
=saddr
;
1942 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1943 "socket: fd=%d (%s mcast=%s:%d)",
1944 fd
, is_connected
? "cloned" : "",
1945 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
1949 static void net_socket_connect(void *opaque
)
1951 NetSocketState
*s
= opaque
;
1952 qemu_set_fd_handler(s
->fd
, net_socket_send
, NULL
, s
);
1955 static NetSocketState
*net_socket_fd_init_stream(VLANState
*vlan
,
1958 int fd
, int is_connected
)
1961 s
= qemu_mallocz(sizeof(NetSocketState
));
1963 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, net_socket_receive
,
1964 NULL
, net_socket_cleanup
, s
);
1965 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1966 "socket: fd=%d", fd
);
1968 net_socket_connect(s
);
1970 qemu_set_fd_handler(s
->fd
, NULL
, net_socket_connect
, s
);
1975 static NetSocketState
*net_socket_fd_init(VLANState
*vlan
,
1976 const char *model
, const char *name
,
1977 int fd
, int is_connected
)
1979 int so_type
=-1, optlen
=sizeof(so_type
);
1981 if(getsockopt(fd
, SOL_SOCKET
, SO_TYPE
, (char *)&so_type
,
1982 (socklen_t
*)&optlen
)< 0) {
1983 fprintf(stderr
, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd
);
1988 return net_socket_fd_init_dgram(vlan
, model
, name
, fd
, is_connected
);
1990 return net_socket_fd_init_stream(vlan
, model
, name
, fd
, is_connected
);
1992 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
1993 fprintf(stderr
, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type
, fd
);
1994 return net_socket_fd_init_stream(vlan
, model
, name
, fd
, is_connected
);
1999 static void net_socket_accept(void *opaque
)
2001 NetSocketListenState
*s
= opaque
;
2003 struct sockaddr_in saddr
;
2008 len
= sizeof(saddr
);
2009 fd
= accept(s
->fd
, (struct sockaddr
*)&saddr
, &len
);
2010 if (fd
< 0 && errno
!= EINTR
) {
2012 } else if (fd
>= 0) {
2016 s1
= net_socket_fd_init(s
->vlan
, s
->model
, s
->name
, fd
, 1);
2020 snprintf(s1
->vc
->info_str
, sizeof(s1
->vc
->info_str
),
2021 "socket: connection from %s:%d",
2022 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
2026 static int net_socket_listen_init(VLANState
*vlan
,
2029 const char *host_str
)
2031 NetSocketListenState
*s
;
2033 struct sockaddr_in saddr
;
2035 if (parse_host_port(&saddr
, host_str
) < 0)
2038 s
= qemu_mallocz(sizeof(NetSocketListenState
));
2040 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
2045 socket_set_nonblock(fd
);
2047 /* allow fast reuse */
2049 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
2051 ret
= bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
2056 ret
= listen(fd
, 0);
2062 s
->model
= strdup(model
);
2063 s
->name
= name
? strdup(name
) : NULL
;
2065 qemu_set_fd_handler(fd
, net_socket_accept
, NULL
, s
);
2069 static int net_socket_connect_init(VLANState
*vlan
,
2072 const char *host_str
)
2075 int fd
, connected
, ret
, err
;
2076 struct sockaddr_in saddr
;
2078 if (parse_host_port(&saddr
, host_str
) < 0)
2081 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
2086 socket_set_nonblock(fd
);
2090 ret
= connect(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
2092 err
= socket_error();
2093 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
2094 } else if (err
== EINPROGRESS
) {
2097 } else if (err
== WSAEALREADY
) {
2110 s
= net_socket_fd_init(vlan
, model
, name
, fd
, connected
);
2113 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
2114 "socket: connect to %s:%d",
2115 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
2119 static int net_socket_mcast_init(VLANState
*vlan
,
2122 const char *host_str
)
2126 struct sockaddr_in saddr
;
2128 if (parse_host_port(&saddr
, host_str
) < 0)
2132 fd
= net_socket_mcast_create(&saddr
);
2136 s
= net_socket_fd_init(vlan
, model
, name
, fd
, 0);
2140 s
->dgram_dst
= saddr
;
2142 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
2143 "socket: mcast=%s:%d",
2144 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
2149 typedef struct DumpState
{
2150 VLANClientState
*pcap_vc
;
2155 #define PCAP_MAGIC 0xa1b2c3d4
2157 struct pcap_file_hdr
{
2159 uint16_t version_major
;
2160 uint16_t version_minor
;
2167 struct pcap_sf_pkthdr
{
2176 static ssize_t
dump_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
2178 DumpState
*s
= vc
->opaque
;
2179 struct pcap_sf_pkthdr hdr
;
2183 /* Early return in case of previous error. */
2188 ts
= muldiv64(qemu_get_clock(vm_clock
), 1000000, ticks_per_sec
);
2189 caplen
= size
> s
->pcap_caplen
? s
->pcap_caplen
: size
;
2191 hdr
.ts
.tv_sec
= ts
/ 1000000;
2192 hdr
.ts
.tv_usec
= ts
% 1000000;
2193 hdr
.caplen
= caplen
;
2195 if (write(s
->fd
, &hdr
, sizeof(hdr
)) != sizeof(hdr
) ||
2196 write(s
->fd
, buf
, caplen
) != caplen
) {
2197 qemu_log("-net dump write error - stop dump\n");
2205 static void net_dump_cleanup(VLANClientState
*vc
)
2207 DumpState
*s
= vc
->opaque
;
2213 static int net_dump_init(Monitor
*mon
, VLANState
*vlan
, const char *device
,
2214 const char *name
, const char *filename
, int len
)
2216 struct pcap_file_hdr hdr
;
2219 s
= qemu_malloc(sizeof(DumpState
));
2221 s
->fd
= open(filename
, O_CREAT
| O_WRONLY
| O_BINARY
, 0644);
2223 config_error(mon
, "-net dump: can't open %s\n", filename
);
2227 s
->pcap_caplen
= len
;
2229 hdr
.magic
= PCAP_MAGIC
;
2230 hdr
.version_major
= 2;
2231 hdr
.version_minor
= 4;
2234 hdr
.snaplen
= s
->pcap_caplen
;
2237 if (write(s
->fd
, &hdr
, sizeof(hdr
)) < sizeof(hdr
)) {
2238 config_error(mon
, "-net dump write error: %s\n", strerror(errno
));
2244 s
->pcap_vc
= qemu_new_vlan_client(vlan
, device
, name
, NULL
, dump_receive
, NULL
,
2245 net_dump_cleanup
, s
);
2246 snprintf(s
->pcap_vc
->info_str
, sizeof(s
->pcap_vc
->info_str
),
2247 "dump to %s (len=%d)", filename
, len
);
2251 /* find or alloc a new VLAN */
2252 VLANState
*qemu_find_vlan(int id
)
2254 VLANState
**pvlan
, *vlan
;
2255 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2259 vlan
= qemu_mallocz(sizeof(VLANState
));
2262 pvlan
= &first_vlan
;
2263 while (*pvlan
!= NULL
)
2264 pvlan
= &(*pvlan
)->next
;
2269 static int nic_get_free_idx(void)
2273 for (index
= 0; index
< MAX_NICS
; index
++)
2274 if (!nd_table
[index
].used
)
2279 void qemu_check_nic_model(NICInfo
*nd
, const char *model
)
2281 const char *models
[2];
2286 qemu_check_nic_model_list(nd
, models
, model
);
2289 void qemu_check_nic_model_list(NICInfo
*nd
, const char * const *models
,
2290 const char *default_model
)
2292 int i
, exit_status
= 0;
2295 nd
->model
= strdup(default_model
);
2297 if (strcmp(nd
->model
, "?") != 0) {
2298 for (i
= 0 ; models
[i
]; i
++)
2299 if (strcmp(nd
->model
, models
[i
]) == 0)
2302 fprintf(stderr
, "qemu: Unsupported NIC model: %s\n", nd
->model
);
2306 fprintf(stderr
, "qemu: Supported NIC models: ");
2307 for (i
= 0 ; models
[i
]; i
++)
2308 fprintf(stderr
, "%s%c", models
[i
], models
[i
+1] ? ',' : '\n');
2313 int net_client_init(Monitor
*mon
, const char *device
, const char *p
)
2321 if (get_param_value(buf
, sizeof(buf
), "vlan", p
)) {
2322 vlan_id
= strtol(buf
, NULL
, 0);
2324 vlan
= qemu_find_vlan(vlan_id
);
2326 if (get_param_value(buf
, sizeof(buf
), "name", p
)) {
2327 name
= qemu_strdup(buf
);
2329 if (!strcmp(device
, "nic")) {
2330 static const char * const nic_params
[] = {
2331 "vlan", "name", "macaddr", "model", "addr", "vectors", NULL
2335 int idx
= nic_get_free_idx();
2337 if (check_params(buf
, sizeof(buf
), nic_params
, p
) < 0) {
2338 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2342 if (idx
== -1 || nb_nics
>= MAX_NICS
) {
2343 config_error(mon
, "Too Many NICs\n");
2347 nd
= &nd_table
[idx
];
2348 macaddr
= nd
->macaddr
;
2354 macaddr
[5] = 0x56 + idx
;
2356 if (get_param_value(buf
, sizeof(buf
), "macaddr", p
)) {
2357 if (parse_macaddr(macaddr
, buf
) < 0) {
2358 config_error(mon
, "invalid syntax for ethernet address\n");
2363 if (get_param_value(buf
, sizeof(buf
), "model", p
)) {
2364 nd
->model
= strdup(buf
);
2366 if (get_param_value(buf
, sizeof(buf
), "addr", p
)) {
2367 nd
->devaddr
= strdup(buf
);
2369 nd
->nvectors
= NIC_NVECTORS_UNSPECIFIED
;
2370 if (get_param_value(buf
, sizeof(buf
), "vectors", p
)) {
2372 long vectors
= strtol(buf
, &endptr
, 0);
2374 config_error(mon
, "invalid syntax for # of vectors\n");
2378 if (vectors
< 0 || vectors
> 0x7ffffff) {
2379 config_error(mon
, "invalid # of vectors\n");
2383 nd
->nvectors
= vectors
;
2390 vlan
->nb_guest_devs
++;
2393 if (!strcmp(device
, "none")) {
2395 config_error(mon
, "'none' takes no parameters\n");
2399 /* does nothing. It is needed to signal that no network cards
2404 if (!strcmp(device
, "user")) {
2405 static const char * const slirp_params
[] = {
2406 "vlan", "name", "hostname", "restrict", "ip", "net", "host",
2407 "tftp", "bootfile", "dhcpstart", "dns", "smb", "smbserver",
2408 "hostfwd", "guestfwd", NULL
2410 struct slirp_config_str
*config
;
2414 char *vhostname
= NULL
;
2415 char *tftp_export
= NULL
;
2416 char *bootfile
= NULL
;
2417 char *vdhcp_start
= NULL
;
2418 char *vnamesrv
= NULL
;
2419 char *smb_export
= NULL
;
2420 char *vsmbsrv
= NULL
;
2423 if (check_params(buf
, sizeof(buf
), slirp_params
, p
) < 0) {
2424 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2428 if (get_param_value(buf
, sizeof(buf
), "ip", p
)) {
2429 /* emulate legacy parameter */
2430 vnet
= qemu_malloc(strlen(buf
) + strlen("/24") + 1);
2432 strcat(vnet
, "/24");
2434 if (get_param_value(buf
, sizeof(buf
), "net", p
)) {
2435 vnet
= qemu_strdup(buf
);
2437 if (get_param_value(buf
, sizeof(buf
), "host", p
)) {
2438 vhost
= qemu_strdup(buf
);
2440 if (get_param_value(buf
, sizeof(buf
), "hostname", p
)) {
2441 vhostname
= qemu_strdup(buf
);
2443 if (get_param_value(buf
, sizeof(buf
), "restrict", p
)) {
2444 restricted
= (buf
[0] == 'y') ? 1 : 0;
2446 if (get_param_value(buf
, sizeof(buf
), "dhcpstart", p
)) {
2447 vdhcp_start
= qemu_strdup(buf
);
2449 if (get_param_value(buf
, sizeof(buf
), "dns", p
)) {
2450 vnamesrv
= qemu_strdup(buf
);
2452 if (get_param_value(buf
, sizeof(buf
), "tftp", p
)) {
2453 tftp_export
= qemu_strdup(buf
);
2455 if (get_param_value(buf
, sizeof(buf
), "bootfile", p
)) {
2456 bootfile
= qemu_strdup(buf
);
2458 if (get_param_value(buf
, sizeof(buf
), "smb", p
)) {
2459 smb_export
= qemu_strdup(buf
);
2460 if (get_param_value(buf
, sizeof(buf
), "smbserver", p
)) {
2461 vsmbsrv
= qemu_strdup(buf
);
2466 config
= qemu_malloc(sizeof(*config
));
2467 if (!get_next_param_value(config
->str
, sizeof(config
->str
),
2471 config
->flags
= SLIRP_CFG_HOSTFWD
;
2472 config
->next
= slirp_configs
;
2473 slirp_configs
= config
;
2478 config
= qemu_malloc(sizeof(*config
));
2479 if (!get_next_param_value(config
->str
, sizeof(config
->str
),
2484 config
->next
= slirp_configs
;
2485 slirp_configs
= config
;
2489 vlan
->nb_host_devs
++;
2490 ret
= net_slirp_init(mon
, vlan
, device
, name
, restricted
, vnet
, vhost
,
2491 vhostname
, tftp_export
, bootfile
, vdhcp_start
,
2492 vnamesrv
, smb_export
, vsmbsrv
);
2495 qemu_free(vhostname
);
2496 qemu_free(tftp_export
);
2497 qemu_free(bootfile
);
2498 qemu_free(vdhcp_start
);
2499 qemu_free(vnamesrv
);
2500 qemu_free(smb_export
);
2502 } else if (!strcmp(device
, "channel")) {
2503 if (!slirp_inited
) {
2504 struct slirp_config_str
*config
;
2506 config
= qemu_malloc(sizeof(*config
));
2507 pstrcpy(config
->str
, sizeof(config
->str
), p
);
2508 config
->flags
= SLIRP_CFG_LEGACY
;
2509 config
->next
= slirp_configs
;
2510 slirp_configs
= config
;
2512 slirp_guestfwd(mon
, p
, 1);
2518 if (!strcmp(device
, "tap")) {
2519 static const char * const tap_params
[] = {
2520 "vlan", "name", "ifname", NULL
2524 if (check_params(buf
, sizeof(buf
), tap_params
, p
) < 0) {
2525 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2529 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
2530 config_error(mon
, "tap: no interface name\n");
2534 vlan
->nb_host_devs
++;
2535 ret
= tap_win32_init(vlan
, device
, name
, ifname
);
2537 #elif defined (_AIX)
2539 if (!strcmp(device
, "tap")) {
2540 char ifname
[64], chkbuf
[64];
2541 char setup_script
[1024], down_script
[1024];
2544 vlan
->nb_host_devs
++;
2545 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
2546 static const char * const fd_params
[] = {
2547 "vlan", "name", "fd", "sndbuf", NULL
2549 if (check_params(chkbuf
, sizeof(chkbuf
), fd_params
, p
) < 0) {
2550 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2554 fd
= strtol(buf
, NULL
, 0);
2555 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
2556 s
= net_tap_fd_init(vlan
, device
, name
, fd
);
2558 static const char * const tap_params
[] = {
2559 "vlan", "name", "ifname", "script", "downscript", "sndbuf", NULL
2561 if (check_params(chkbuf
, sizeof(chkbuf
), tap_params
, p
) < 0) {
2562 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2566 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
2569 if (get_param_value(setup_script
, sizeof(setup_script
), "script", p
) == 0) {
2570 pstrcpy(setup_script
, sizeof(setup_script
), DEFAULT_NETWORK_SCRIPT
);
2572 if (get_param_value(down_script
, sizeof(down_script
), "downscript", p
) == 0) {
2573 pstrcpy(down_script
, sizeof(down_script
), DEFAULT_NETWORK_DOWN_SCRIPT
);
2575 s
= net_tap_init(vlan
, device
, name
, ifname
, setup_script
, down_script
);
2578 if (get_param_value(buf
, sizeof(buf
), "sndbuf", p
)) {
2579 tap_set_sndbuf(s
, atoi(buf
), mon
);
2587 if (!strcmp(device
, "socket")) {
2589 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
2590 static const char * const fd_params
[] = {
2591 "vlan", "name", "fd", NULL
2594 if (check_params(chkbuf
, sizeof(chkbuf
), fd_params
, p
) < 0) {
2595 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2599 fd
= strtol(buf
, NULL
, 0);
2601 if (net_socket_fd_init(vlan
, device
, name
, fd
, 1))
2603 } else if (get_param_value(buf
, sizeof(buf
), "listen", p
) > 0) {
2604 static const char * const listen_params
[] = {
2605 "vlan", "name", "listen", NULL
2607 if (check_params(chkbuf
, sizeof(chkbuf
), listen_params
, p
) < 0) {
2608 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2612 ret
= net_socket_listen_init(vlan
, device
, name
, buf
);
2613 } else if (get_param_value(buf
, sizeof(buf
), "connect", p
) > 0) {
2614 static const char * const connect_params
[] = {
2615 "vlan", "name", "connect", NULL
2617 if (check_params(chkbuf
, sizeof(chkbuf
), connect_params
, p
) < 0) {
2618 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2622 ret
= net_socket_connect_init(vlan
, device
, name
, buf
);
2623 } else if (get_param_value(buf
, sizeof(buf
), "mcast", p
) > 0) {
2624 static const char * const mcast_params
[] = {
2625 "vlan", "name", "mcast", NULL
2627 if (check_params(chkbuf
, sizeof(chkbuf
), mcast_params
, p
) < 0) {
2628 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2632 ret
= net_socket_mcast_init(vlan
, device
, name
, buf
);
2634 config_error(mon
, "Unknown socket options: %s\n", p
);
2638 vlan
->nb_host_devs
++;
2641 if (!strcmp(device
, "vde")) {
2642 static const char * const vde_params
[] = {
2643 "vlan", "name", "sock", "port", "group", "mode", NULL
2645 char vde_sock
[1024], vde_group
[512];
2646 int vde_port
, vde_mode
;
2648 if (check_params(buf
, sizeof(buf
), vde_params
, p
) < 0) {
2649 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2653 vlan
->nb_host_devs
++;
2654 if (get_param_value(vde_sock
, sizeof(vde_sock
), "sock", p
) <= 0) {
2657 if (get_param_value(buf
, sizeof(buf
), "port", p
) > 0) {
2658 vde_port
= strtol(buf
, NULL
, 10);
2662 if (get_param_value(vde_group
, sizeof(vde_group
), "group", p
) <= 0) {
2663 vde_group
[0] = '\0';
2665 if (get_param_value(buf
, sizeof(buf
), "mode", p
) > 0) {
2666 vde_mode
= strtol(buf
, NULL
, 8);
2670 ret
= net_vde_init(vlan
, device
, name
, vde_sock
, vde_port
, vde_group
, vde_mode
);
2673 if (!strcmp(device
, "dump")) {
2676 if (get_param_value(buf
, sizeof(buf
), "len", p
) > 0) {
2677 len
= strtol(buf
, NULL
, 0);
2679 if (!get_param_value(buf
, sizeof(buf
), "file", p
)) {
2680 snprintf(buf
, sizeof(buf
), "qemu-vlan%d.pcap", vlan_id
);
2682 ret
= net_dump_init(mon
, vlan
, device
, name
, buf
, len
);
2684 config_error(mon
, "Unknown network device: %s\n", device
);
2689 config_error(mon
, "Could not initialize device '%s'\n", device
);
2696 void net_client_uninit(NICInfo
*nd
)
2698 nd
->vlan
->nb_guest_devs
--;
2701 free((void *)nd
->model
);
2704 static int net_host_check_device(const char *device
)
2707 const char *valid_param_list
[] = { "tap", "socket", "dump"
2715 for (i
= 0; i
< sizeof(valid_param_list
) / sizeof(char *); i
++) {
2716 if (!strncmp(valid_param_list
[i
], device
,
2717 strlen(valid_param_list
[i
])))
2724 void net_host_device_add(Monitor
*mon
, const char *device
, const char *opts
)
2726 if (!net_host_check_device(device
)) {
2727 monitor_printf(mon
, "invalid host network device %s\n", device
);
2730 if (net_client_init(mon
, device
, opts
? opts
: "") < 0) {
2731 monitor_printf(mon
, "adding host network device %s failed\n", device
);
2735 void net_host_device_remove(Monitor
*mon
, int vlan_id
, const char *device
)
2738 VLANClientState
*vc
;
2740 vlan
= qemu_find_vlan(vlan_id
);
2742 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
2743 if (!strcmp(vc
->name
, device
)) {
2749 monitor_printf(mon
, "can't find device %s\n", device
);
2752 if (!net_host_check_device(vc
->model
)) {
2753 monitor_printf(mon
, "invalid host network device %s\n", device
);
2756 qemu_del_vlan_client(vc
);
2759 int net_client_parse(const char *str
)
2767 while (*p
!= '\0' && *p
!= ',') {
2768 if ((q
- device
) < sizeof(device
) - 1)
2776 return net_client_init(NULL
, device
, p
);
2779 void net_set_boot_mask(int net_boot_mask
)
2783 /* Only the first four NICs may be bootable */
2784 net_boot_mask
= net_boot_mask
& 0xF;
2786 for (i
= 0; i
< nb_nics
; i
++) {
2787 if (net_boot_mask
& (1 << i
)) {
2788 nd_table
[i
].bootable
= 1;
2789 net_boot_mask
&= ~(1 << i
);
2793 if (net_boot_mask
) {
2794 fprintf(stderr
, "Cannot boot from non-existent NIC\n");
2799 void do_info_network(Monitor
*mon
)
2802 VLANClientState
*vc
;
2804 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2805 monitor_printf(mon
, "VLAN %d devices:\n", vlan
->id
);
2806 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
2807 monitor_printf(mon
, " %s: %s\n", vc
->name
, vc
->info_str
);
2811 int do_set_link(Monitor
*mon
, const char *name
, const char *up_or_down
)
2814 VLANClientState
*vc
= NULL
;
2816 for (vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
)
2817 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
2818 if (strcmp(vc
->name
, name
) == 0)
2823 monitor_printf(mon
, "could not find network device '%s'", name
);
2827 if (strcmp(up_or_down
, "up") == 0)
2829 else if (strcmp(up_or_down
, "down") == 0)
2832 monitor_printf(mon
, "invalid link status '%s'; only 'up' or 'down' "
2833 "valid\n", up_or_down
);
2835 if (vc
->link_status_changed
)
2836 vc
->link_status_changed(vc
);
2841 void net_cleanup(void)
2845 /* close network clients */
2846 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2847 VLANClientState
*vc
= vlan
->first_client
;
2850 VLANClientState
*next
= vc
->next
;
2852 qemu_del_vlan_client(vc
);
2859 void net_client_check(void)
2863 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2864 if (vlan
->nb_guest_devs
== 0 && vlan
->nb_host_devs
== 0)
2866 if (vlan
->nb_guest_devs
== 0)
2867 fprintf(stderr
, "Warning: vlan %d with no nics\n", vlan
->id
);
2868 if (vlan
->nb_host_devs
== 0)
2870 "Warning: vlan %d is not connected to host network\n",