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
,
690 static void slirp_guestfwd(Monitor
*mon
, const char *config_str
,
694 static const char *legacy_smb_export
;
696 static void slirp_smb(const char *exported_dir
, struct in_addr vserver_addr
);
699 int slirp_can_output(void)
701 return !slirp_vc
|| qemu_can_send_packet(slirp_vc
);
704 void slirp_output(const uint8_t *pkt
, int pkt_len
)
707 printf("slirp output:\n");
708 hex_dump(stdout
, pkt
, pkt_len
);
712 qemu_send_packet(slirp_vc
, pkt
, pkt_len
);
715 int slirp_is_inited(void)
720 static ssize_t
slirp_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
723 printf("slirp input:\n");
724 hex_dump(stdout
, buf
, size
);
726 slirp_input(buf
, size
);
730 static int slirp_in_use
;
732 static void net_slirp_cleanup(VLANClientState
*vc
)
737 static int net_slirp_init(Monitor
*mon
, VLANState
*vlan
, const char *model
,
738 const char *name
, int restricted
,
739 const char *vnetwork
, const char *vhost
,
740 const char *vhostname
, const char *tftp_export
,
741 const char *bootfile
, const char *vdhcp_start
,
742 const char *vnameserver
, const char *smb_export
,
743 const char *vsmbserver
)
746 /* slirp only supports a single instance so far */
750 /* default settings according to historic slirp */
751 struct in_addr net
= { .s_addr
= htonl(0x0a000000) }; /* 10.0.0.0 */
752 struct in_addr mask
= { .s_addr
= htonl(0xff000000) }; /* 255.0.0.0 */
753 struct in_addr host
= { .s_addr
= htonl(0x0a000202) }; /* 10.0.2.2 */
754 struct in_addr dhcp
= { .s_addr
= htonl(0x0a00020f) }; /* 10.0.2.15 */
755 struct in_addr dns
= { .s_addr
= htonl(0x0a000203) }; /* 10.0.2.3 */
757 struct in_addr smbsrv
= { .s_addr
= 0 };
765 tftp_export
= legacy_tftp_prefix
;
768 bootfile
= legacy_bootp_filename
;
772 if (get_str_sep(buf
, sizeof(buf
), &vnetwork
, '/') < 0) {
773 if (!inet_aton(vnetwork
, &net
)) {
776 addr
= ntohl(net
.s_addr
);
777 if (!(addr
& 0x80000000)) {
778 mask
.s_addr
= htonl(0xff000000); /* class A */
779 } else if ((addr
& 0xfff00000) == 0xac100000) {
780 mask
.s_addr
= htonl(0xfff00000); /* priv. 172.16.0.0/12 */
781 } else if ((addr
& 0xc0000000) == 0x80000000) {
782 mask
.s_addr
= htonl(0xffff0000); /* class B */
783 } else if ((addr
& 0xffff0000) == 0xc0a80000) {
784 mask
.s_addr
= htonl(0xffff0000); /* priv. 192.168.0.0/16 */
785 } else if ((addr
& 0xffff0000) == 0xc6120000) {
786 mask
.s_addr
= htonl(0xfffe0000); /* tests 198.18.0.0/15 */
787 } else if ((addr
& 0xe0000000) == 0xe0000000) {
788 mask
.s_addr
= htonl(0xffffff00); /* class C */
790 mask
.s_addr
= htonl(0xfffffff0); /* multicast/reserved */
793 if (!inet_aton(buf
, &net
)) {
796 shift
= strtol(vnetwork
, &end
, 10);
798 if (!inet_aton(vnetwork
, &mask
)) {
801 } else if (shift
< 4 || shift
> 32) {
804 mask
.s_addr
= htonl(0xffffffff << (32 - shift
));
807 net
.s_addr
&= mask
.s_addr
;
808 host
.s_addr
= net
.s_addr
| (htonl(0x0202) & ~mask
.s_addr
);
809 dhcp
.s_addr
= net
.s_addr
| (htonl(0x020f) & ~mask
.s_addr
);
810 dns
.s_addr
= net
.s_addr
| (htonl(0x0203) & ~mask
.s_addr
);
813 if (vhost
&& !inet_aton(vhost
, &host
)) {
816 if ((host
.s_addr
& mask
.s_addr
) != net
.s_addr
) {
820 if (vdhcp_start
&& !inet_aton(vdhcp_start
, &dhcp
)) {
823 if ((dhcp
.s_addr
& mask
.s_addr
) != net
.s_addr
||
824 dhcp
.s_addr
== host
.s_addr
|| dhcp
.s_addr
== dns
.s_addr
) {
828 if (vnameserver
&& !inet_aton(vnameserver
, &dns
)) {
831 if ((dns
.s_addr
& mask
.s_addr
) != net
.s_addr
||
832 dns
.s_addr
== host
.s_addr
) {
837 if (vsmbserver
&& !inet_aton(vsmbserver
, &smbsrv
)) {
842 slirp_init(restricted
, net
, mask
, host
, vhostname
, tftp_export
,
843 bootfile
, dhcp
, dns
);
846 while (slirp_configs
) {
847 struct slirp_config_str
*config
= slirp_configs
;
849 if (config
->flags
& SLIRP_CFG_HOSTFWD
) {
850 slirp_hostfwd(mon
, config
->str
,
851 config
->flags
& SLIRP_CFG_LEGACY
);
853 slirp_guestfwd(mon
, config
->str
,
854 config
->flags
& SLIRP_CFG_LEGACY
);
856 slirp_configs
= config
->next
;
861 smb_export
= legacy_smb_export
;
864 slirp_smb(smb_export
, smbsrv
);
869 slirp_vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, slirp_receive
,
870 NULL
, net_slirp_cleanup
, NULL
);
871 slirp_vc
->info_str
[0] = '\0';
876 void net_slirp_hostfwd_remove(Monitor
*mon
, const char *src_str
)
878 struct in_addr host_addr
= { .s_addr
= INADDR_ANY
};
881 const char *p
= src_str
;
886 monitor_printf(mon
, "user mode network stack not in use\n");
890 if (!src_str
|| !src_str
[0])
893 get_str_sep(buf
, sizeof(buf
), &p
, ':');
895 if (!strcmp(buf
, "tcp") || buf
[0] == '\0') {
897 } else if (!strcmp(buf
, "udp")) {
903 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
906 if (buf
[0] != '\0' && !inet_aton(buf
, &host_addr
)) {
912 err
= slirp_remove_hostfwd(is_udp
, host_addr
, host_port
);
914 monitor_printf(mon
, "host forwarding rule for %s %s\n", src_str
,
915 err
? "removed" : "not found");
919 monitor_printf(mon
, "invalid format\n");
922 static void slirp_hostfwd(Monitor
*mon
, const char *redir_str
,
925 struct in_addr host_addr
= { .s_addr
= INADDR_ANY
};
926 struct in_addr guest_addr
= { .s_addr
= 0 };
927 int host_port
, guest_port
;
934 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
937 if (!strcmp(buf
, "tcp") || buf
[0] == '\0') {
939 } else if (!strcmp(buf
, "udp")) {
945 if (!legacy_format
) {
946 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
949 if (buf
[0] != '\0' && !inet_aton(buf
, &host_addr
)) {
954 if (get_str_sep(buf
, sizeof(buf
), &p
, legacy_format
? ':' : '-') < 0) {
957 host_port
= strtol(buf
, &end
, 0);
958 if (*end
!= '\0' || host_port
< 1 || host_port
> 65535) {
962 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
965 if (buf
[0] != '\0' && !inet_aton(buf
, &guest_addr
)) {
969 guest_port
= strtol(p
, &end
, 0);
970 if (*end
!= '\0' || guest_port
< 1 || guest_port
> 65535) {
974 if (slirp_add_hostfwd(is_udp
, host_addr
, host_port
,
975 guest_addr
, guest_port
) < 0) {
976 config_error(mon
, "could not set up host forwarding rule '%s'\n",
982 config_error(mon
, "invalid host forwarding rule '%s'\n", redir_str
);
985 void net_slirp_hostfwd_add(Monitor
*mon
, const char *redir_str
)
988 monitor_printf(mon
, "user mode network stack not in use\n");
992 slirp_hostfwd(mon
, redir_str
, 0);
995 void net_slirp_redir(const char *redir_str
)
997 struct slirp_config_str
*config
;
1000 config
= qemu_malloc(sizeof(*config
));
1001 pstrcpy(config
->str
, sizeof(config
->str
), redir_str
);
1002 config
->flags
= SLIRP_CFG_HOSTFWD
| SLIRP_CFG_LEGACY
;
1003 config
->next
= slirp_configs
;
1004 slirp_configs
= config
;
1008 slirp_hostfwd(NULL
, redir_str
, 1);
1013 static char smb_dir
[1024];
1015 static void erase_dir(char *dir_name
)
1019 char filename
[1024];
1021 /* erase all the files in the directory */
1022 if ((d
= opendir(dir_name
)) != NULL
) {
1027 if (strcmp(de
->d_name
, ".") != 0 &&
1028 strcmp(de
->d_name
, "..") != 0) {
1029 snprintf(filename
, sizeof(filename
), "%s/%s",
1030 smb_dir
, de
->d_name
);
1031 if (unlink(filename
) != 0) /* is it a directory? */
1032 erase_dir(filename
);
1040 /* automatic user mode samba server configuration */
1041 static void smb_exit(void)
1046 static void slirp_smb(const char *exported_dir
, struct in_addr vserver_addr
)
1048 char smb_conf
[1024];
1049 char smb_cmdline
[1024];
1052 /* XXX: better tmp dir construction */
1053 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%ld", (long)getpid());
1054 if (mkdir(smb_dir
, 0700) < 0) {
1055 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
1058 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
1060 f
= fopen(smb_conf
, "w");
1062 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
1069 "socket address=127.0.0.1\n"
1070 "pid directory=%s\n"
1071 "lock directory=%s\n"
1072 "log file=%s/log.smbd\n"
1073 "smb passwd file=%s/smbpasswd\n"
1074 "security = share\n"
1089 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "%s -s %s",
1090 SMBD_COMMAND
, smb_conf
);
1092 if (slirp_add_exec(0, smb_cmdline
, vserver_addr
, 139) < 0) {
1093 fprintf(stderr
, "conflicting/invalid smbserver address\n");
1098 /* automatic user mode samba server configuration (legacy interface) */
1099 void net_slirp_smb(const char *exported_dir
)
1101 struct in_addr vserver_addr
= { .s_addr
= 0 };
1103 if (legacy_smb_export
) {
1104 fprintf(stderr
, "-smb given twice\n");
1107 legacy_smb_export
= exported_dir
;
1109 slirp_smb(exported_dir
, vserver_addr
);
1113 #endif /* !defined(_WIN32) */
1115 void do_info_slirp(Monitor
*mon
)
1121 CharDriverState
*hd
;
1122 struct in_addr server
;
1126 static int guestfwd_can_read(void *opaque
)
1128 struct GuestFwd
*fwd
= opaque
;
1129 return slirp_socket_can_recv(fwd
->server
, fwd
->port
);
1132 static void guestfwd_read(void *opaque
, const uint8_t *buf
, int size
)
1134 struct GuestFwd
*fwd
= opaque
;
1135 slirp_socket_recv(fwd
->server
, fwd
->port
, buf
, size
);
1138 static void slirp_guestfwd(Monitor
*mon
, const char *config_str
,
1141 struct in_addr server
= { .s_addr
= 0 };
1142 struct GuestFwd
*fwd
;
1149 if (legacy_format
) {
1150 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
1154 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
1157 if (strcmp(buf
, "tcp") && buf
[0] != '\0') {
1160 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0) {
1163 if (buf
[0] != '\0' && !inet_aton(buf
, &server
)) {
1166 if (get_str_sep(buf
, sizeof(buf
), &p
, '-') < 0) {
1170 port
= strtol(buf
, &end
, 10);
1171 if (*end
!= '\0' || port
< 1 || port
> 65535) {
1175 fwd
= qemu_malloc(sizeof(struct GuestFwd
));
1176 snprintf(buf
, sizeof(buf
), "guestfwd.tcp:%d", port
);
1177 fwd
->hd
= qemu_chr_open(buf
, p
, NULL
);
1179 config_error(mon
, "could not open guest forwarding device '%s'\n",
1184 fwd
->server
= server
;
1187 if (slirp_add_exec(3, fwd
->hd
, server
, port
) < 0) {
1188 config_error(mon
, "conflicting/invalid host:port in guest forwarding "
1189 "rule '%s'\n", config_str
);
1193 qemu_chr_add_handlers(fwd
->hd
, guestfwd_can_read
, guestfwd_read
,
1198 config_error(mon
, "invalid guest forwarding rule '%s'\n", config_str
);
1201 void do_info_usernet(Monitor
*mon
)
1203 monitor_printf(mon
, "VLAN %d (%s):\n", slirp_vc
->vlan
->id
, slirp_vc
->name
);
1204 slirp_connection_info(mon
);
1207 #endif /* CONFIG_SLIRP */
1209 #if !defined(_WIN32)
1211 typedef struct TAPState
{
1212 VLANClientState
*vc
;
1214 char down_script
[1024];
1215 char down_script_arg
[128];
1217 unsigned int read_poll
: 1;
1218 unsigned int write_poll
: 1;
1221 static int launch_script(const char *setup_script
, const char *ifname
, int fd
);
1223 static int tap_can_send(void *opaque
);
1224 static void tap_send(void *opaque
);
1225 static void tap_writable(void *opaque
);
1227 static void tap_update_fd_handler(TAPState
*s
)
1229 qemu_set_fd_handler2(s
->fd
,
1230 s
->read_poll
? tap_can_send
: NULL
,
1231 s
->read_poll
? tap_send
: NULL
,
1232 s
->write_poll
? tap_writable
: NULL
,
1236 static void tap_read_poll(TAPState
*s
, int enable
)
1238 s
->read_poll
= !!enable
;
1239 tap_update_fd_handler(s
);
1242 static void tap_write_poll(TAPState
*s
, int enable
)
1244 s
->write_poll
= !!enable
;
1245 tap_update_fd_handler(s
);
1248 static void tap_writable(void *opaque
)
1250 TAPState
*s
= opaque
;
1252 tap_write_poll(s
, 0);
1254 qemu_flush_queued_packets(s
->vc
);
1257 static ssize_t
tap_receive_iov(VLANClientState
*vc
, const struct iovec
*iov
,
1260 TAPState
*s
= vc
->opaque
;
1264 len
= writev(s
->fd
, iov
, iovcnt
);
1265 } while (len
== -1 && errno
== EINTR
);
1267 if (len
== -1 && errno
== EAGAIN
) {
1268 tap_write_poll(s
, 1);
1275 static ssize_t
tap_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1277 TAPState
*s
= vc
->opaque
;
1281 len
= write(s
->fd
, buf
, size
);
1282 } while (len
== -1 && (errno
== EINTR
|| errno
== EAGAIN
));
1287 static int tap_can_send(void *opaque
)
1289 TAPState
*s
= opaque
;
1291 return qemu_can_send_packet(s
->vc
);
1295 static ssize_t
tap_read_packet(int tapfd
, uint8_t *buf
, int maxlen
)
1300 sbuf
.maxlen
= maxlen
;
1301 sbuf
.buf
= (char *)buf
;
1303 return getmsg(tapfd
, NULL
, &sbuf
, &f
) >= 0 ? sbuf
.len
: -1;
1306 static ssize_t
tap_read_packet(int tapfd
, uint8_t *buf
, int maxlen
)
1308 return read(tapfd
, buf
, maxlen
);
1312 static void tap_send_completed(VLANClientState
*vc
, ssize_t len
)
1314 TAPState
*s
= vc
->opaque
;
1315 tap_read_poll(s
, 1);
1318 static void tap_send(void *opaque
)
1320 TAPState
*s
= opaque
;
1324 size
= tap_read_packet(s
->fd
, s
->buf
, sizeof(s
->buf
));
1329 size
= qemu_send_packet_async(s
->vc
, s
->buf
, size
, tap_send_completed
);
1331 tap_read_poll(s
, 0);
1336 static void tap_set_sndbuf(TAPState
*s
, int sndbuf
, Monitor
*mon
)
1339 if (ioctl(s
->fd
, TUNSETSNDBUF
, &sndbuf
) == -1) {
1340 config_error(mon
, "TUNSETSNDBUF ioctl failed: %s\n",
1344 config_error(mon
, "No '-net tap,sndbuf=<nbytes>' support available\n");
1348 static void tap_cleanup(VLANClientState
*vc
)
1350 TAPState
*s
= vc
->opaque
;
1352 qemu_purge_queued_packets(vc
);
1354 if (s
->down_script
[0])
1355 launch_script(s
->down_script
, s
->down_script_arg
, s
->fd
);
1357 tap_read_poll(s
, 0);
1358 tap_write_poll(s
, 0);
1365 static TAPState
*net_tap_fd_init(VLANState
*vlan
,
1372 s
= qemu_mallocz(sizeof(TAPState
));
1374 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, tap_receive
,
1375 tap_receive_iov
, tap_cleanup
, s
);
1376 tap_read_poll(s
, 1);
1377 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "fd=%d", fd
);
1381 #if defined (HOST_BSD) || defined (__FreeBSD_kernel__)
1382 static int tap_open(char *ifname
, int ifname_size
)
1388 TFR(fd
= open("/dev/tap", O_RDWR
));
1390 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1395 dev
= devname(s
.st_rdev
, S_IFCHR
);
1396 pstrcpy(ifname
, ifname_size
, dev
);
1398 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1401 #elif defined(__sun__)
1402 #define TUNNEWPPA (('T'<<16) | 0x0001)
1404 * Allocate TAP device, returns opened fd.
1405 * Stores dev name in the first arg(must be large enough).
1407 static int tap_alloc(char *dev
, size_t dev_size
)
1409 int tap_fd
, if_fd
, ppa
= -1;
1410 static int ip_fd
= 0;
1413 static int arp_fd
= 0;
1414 int ip_muxid
, arp_muxid
;
1415 struct strioctl strioc_if
, strioc_ppa
;
1416 int link_type
= I_PLINK
;;
1418 char actual_name
[32] = "";
1420 memset(&ifr
, 0x0, sizeof(ifr
));
1424 while( *ptr
&& !qemu_isdigit((int)*ptr
) ) ptr
++;
1428 /* Check if IP device was opened */
1432 TFR(ip_fd
= open("/dev/udp", O_RDWR
, 0));
1434 syslog(LOG_ERR
, "Can't open /dev/ip (actually /dev/udp)");
1438 TFR(tap_fd
= open("/dev/tap", O_RDWR
, 0));
1440 syslog(LOG_ERR
, "Can't open /dev/tap");
1444 /* Assign a new PPA and get its unit number. */
1445 strioc_ppa
.ic_cmd
= TUNNEWPPA
;
1446 strioc_ppa
.ic_timout
= 0;
1447 strioc_ppa
.ic_len
= sizeof(ppa
);
1448 strioc_ppa
.ic_dp
= (char *)&ppa
;
1449 if ((ppa
= ioctl (tap_fd
, I_STR
, &strioc_ppa
)) < 0)
1450 syslog (LOG_ERR
, "Can't assign new interface");
1452 TFR(if_fd
= open("/dev/tap", O_RDWR
, 0));
1454 syslog(LOG_ERR
, "Can't open /dev/tap (2)");
1457 if(ioctl(if_fd
, I_PUSH
, "ip") < 0){
1458 syslog(LOG_ERR
, "Can't push IP module");
1462 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) < 0)
1463 syslog(LOG_ERR
, "Can't get flags\n");
1465 snprintf (actual_name
, 32, "tap%d", ppa
);
1466 pstrcpy(ifr
.lifr_name
, sizeof(ifr
.lifr_name
), actual_name
);
1469 /* Assign ppa according to the unit number returned by tun device */
1471 if (ioctl (if_fd
, SIOCSLIFNAME
, &ifr
) < 0)
1472 syslog (LOG_ERR
, "Can't set PPA %d", ppa
);
1473 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) <0)
1474 syslog (LOG_ERR
, "Can't get flags\n");
1475 /* Push arp module to if_fd */
1476 if (ioctl (if_fd
, I_PUSH
, "arp") < 0)
1477 syslog (LOG_ERR
, "Can't push ARP module (2)");
1479 /* Push arp module to ip_fd */
1480 if (ioctl (ip_fd
, I_POP
, NULL
) < 0)
1481 syslog (LOG_ERR
, "I_POP failed\n");
1482 if (ioctl (ip_fd
, I_PUSH
, "arp") < 0)
1483 syslog (LOG_ERR
, "Can't push ARP module (3)\n");
1485 TFR(arp_fd
= open ("/dev/tap", O_RDWR
, 0));
1487 syslog (LOG_ERR
, "Can't open %s\n", "/dev/tap");
1489 /* Set ifname to arp */
1490 strioc_if
.ic_cmd
= SIOCSLIFNAME
;
1491 strioc_if
.ic_timout
= 0;
1492 strioc_if
.ic_len
= sizeof(ifr
);
1493 strioc_if
.ic_dp
= (char *)&ifr
;
1494 if (ioctl(arp_fd
, I_STR
, &strioc_if
) < 0){
1495 syslog (LOG_ERR
, "Can't set ifname to arp\n");
1498 if((ip_muxid
= ioctl(ip_fd
, I_LINK
, if_fd
)) < 0){
1499 syslog(LOG_ERR
, "Can't link TAP device to IP");
1503 if ((arp_muxid
= ioctl (ip_fd
, link_type
, arp_fd
)) < 0)
1504 syslog (LOG_ERR
, "Can't link TAP device to ARP");
1508 memset(&ifr
, 0x0, sizeof(ifr
));
1509 pstrcpy(ifr
.lifr_name
, sizeof(ifr
.lifr_name
), actual_name
);
1510 ifr
.lifr_ip_muxid
= ip_muxid
;
1511 ifr
.lifr_arp_muxid
= arp_muxid
;
1513 if (ioctl (ip_fd
, SIOCSLIFMUXID
, &ifr
) < 0)
1515 ioctl (ip_fd
, I_PUNLINK
, arp_muxid
);
1516 ioctl (ip_fd
, I_PUNLINK
, ip_muxid
);
1517 syslog (LOG_ERR
, "Can't set multiplexor id");
1520 snprintf(dev
, dev_size
, "tap%d", ppa
);
1524 static int tap_open(char *ifname
, int ifname_size
)
1528 if( (fd
= tap_alloc(dev
, sizeof(dev
))) < 0 ){
1529 fprintf(stderr
, "Cannot allocate TAP device\n");
1532 pstrcpy(ifname
, ifname_size
, dev
);
1533 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1536 #elif defined (_AIX)
1537 static int tap_open(char *ifname
, int ifname_size
)
1539 fprintf (stderr
, "no tap on AIX\n");
1543 static int tap_open(char *ifname
, int ifname_size
)
1548 TFR(fd
= open("/dev/net/tun", O_RDWR
));
1550 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1553 memset(&ifr
, 0, sizeof(ifr
));
1554 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1555 if (ifname
[0] != '\0')
1556 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, ifname
);
1558 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tap%d");
1559 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1561 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1565 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1566 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1571 static int launch_script(const char *setup_script
, const char *ifname
, int fd
)
1573 sigset_t oldmask
, mask
;
1579 sigaddset(&mask
, SIGCHLD
);
1580 sigprocmask(SIG_BLOCK
, &mask
, &oldmask
);
1582 /* try to launch network script */
1585 int open_max
= sysconf(_SC_OPEN_MAX
), i
;
1587 for (i
= 0; i
< open_max
; i
++) {
1588 if (i
!= STDIN_FILENO
&&
1589 i
!= STDOUT_FILENO
&&
1590 i
!= STDERR_FILENO
&&
1596 *parg
++ = (char *)setup_script
;
1597 *parg
++ = (char *)ifname
;
1599 execv(setup_script
, args
);
1601 } else if (pid
> 0) {
1602 while (waitpid(pid
, &status
, 0) != pid
) {
1605 sigprocmask(SIG_SETMASK
, &oldmask
, NULL
);
1607 if (WIFEXITED(status
) && WEXITSTATUS(status
) == 0) {
1611 fprintf(stderr
, "%s: could not launch network script\n", setup_script
);
1615 static TAPState
*net_tap_init(VLANState
*vlan
, const char *model
,
1616 const char *name
, const char *ifname1
,
1617 const char *setup_script
, const char *down_script
)
1623 if (ifname1
!= NULL
)
1624 pstrcpy(ifname
, sizeof(ifname
), ifname1
);
1627 TFR(fd
= tap_open(ifname
, sizeof(ifname
)));
1631 if (!setup_script
|| !strcmp(setup_script
, "no"))
1633 if (setup_script
[0] != '\0' &&
1634 launch_script(setup_script
, ifname
, fd
)) {
1637 s
= net_tap_fd_init(vlan
, model
, name
, fd
);
1638 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1639 "ifname=%s,script=%s,downscript=%s",
1640 ifname
, setup_script
, down_script
);
1641 if (down_script
&& strcmp(down_script
, "no")) {
1642 snprintf(s
->down_script
, sizeof(s
->down_script
), "%s", down_script
);
1643 snprintf(s
->down_script_arg
, sizeof(s
->down_script_arg
), "%s", ifname
);
1648 #endif /* !_WIN32 */
1650 #if defined(CONFIG_VDE)
1651 typedef struct VDEState
{
1652 VLANClientState
*vc
;
1656 static void vde_to_qemu(void *opaque
)
1658 VDEState
*s
= opaque
;
1662 size
= vde_recv(s
->vde
, (char *)buf
, sizeof(buf
), 0);
1664 qemu_send_packet(s
->vc
, buf
, size
);
1668 static ssize_t
vde_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1670 VDEState
*s
= vc
->opaque
;
1674 ret
= vde_send(s
->vde
, (const char *)buf
, size
, 0);
1675 } while (ret
< 0 && errno
== EINTR
);
1680 static void vde_cleanup(VLANClientState
*vc
)
1682 VDEState
*s
= vc
->opaque
;
1683 qemu_set_fd_handler(vde_datafd(s
->vde
), NULL
, NULL
, NULL
);
1688 static int net_vde_init(VLANState
*vlan
, const char *model
,
1689 const char *name
, const char *sock
,
1690 int port
, const char *group
, int mode
)
1693 char *init_group
= strlen(group
) ? (char *)group
: NULL
;
1694 char *init_sock
= strlen(sock
) ? (char *)sock
: NULL
;
1696 struct vde_open_args args
= {
1698 .group
= init_group
,
1702 s
= qemu_mallocz(sizeof(VDEState
));
1703 s
->vde
= vde_open(init_sock
, (char *)"QEMU", &args
);
1708 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, vde_receive
,
1709 NULL
, vde_cleanup
, s
);
1710 qemu_set_fd_handler(vde_datafd(s
->vde
), vde_to_qemu
, NULL
, s
);
1711 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "sock=%s,fd=%d",
1712 sock
, vde_datafd(s
->vde
));
1717 /* network connection */
1718 typedef struct NetSocketState
{
1719 VLANClientState
*vc
;
1721 int state
; /* 0 = getting length, 1 = getting data */
1723 unsigned int packet_len
;
1725 struct sockaddr_in dgram_dst
; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
1728 typedef struct NetSocketListenState
{
1733 } NetSocketListenState
;
1735 /* XXX: we consider we can send the whole packet without blocking */
1736 static ssize_t
net_socket_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1738 NetSocketState
*s
= vc
->opaque
;
1742 send_all(s
->fd
, (const uint8_t *)&len
, sizeof(len
));
1743 return send_all(s
->fd
, buf
, size
);
1746 static ssize_t
net_socket_receive_dgram(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
1748 NetSocketState
*s
= vc
->opaque
;
1750 return sendto(s
->fd
, (const void *)buf
, size
, 0,
1751 (struct sockaddr
*)&s
->dgram_dst
, sizeof(s
->dgram_dst
));
1754 static void net_socket_send(void *opaque
)
1756 NetSocketState
*s
= opaque
;
1762 size
= recv(s
->fd
, (void *)buf1
, sizeof(buf1
), 0);
1764 err
= socket_error();
1765 if (err
!= EWOULDBLOCK
)
1767 } else if (size
== 0) {
1768 /* end of connection */
1770 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1776 /* reassemble a packet from the network */
1782 memcpy(s
->buf
+ s
->index
, buf
, l
);
1786 if (s
->index
== 4) {
1788 s
->packet_len
= ntohl(*(uint32_t *)s
->buf
);
1794 l
= s
->packet_len
- s
->index
;
1797 if (s
->index
+ l
<= sizeof(s
->buf
)) {
1798 memcpy(s
->buf
+ s
->index
, buf
, l
);
1800 fprintf(stderr
, "serious error: oversized packet received,"
1801 "connection terminated.\n");
1809 if (s
->index
>= s
->packet_len
) {
1810 qemu_send_packet(s
->vc
, s
->buf
, s
->packet_len
);
1819 static void net_socket_send_dgram(void *opaque
)
1821 NetSocketState
*s
= opaque
;
1824 size
= recv(s
->fd
, (void *)s
->buf
, sizeof(s
->buf
), 0);
1828 /* end of connection */
1829 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1832 qemu_send_packet(s
->vc
, s
->buf
, size
);
1835 static int net_socket_mcast_create(struct sockaddr_in
*mcastaddr
)
1840 if (!IN_MULTICAST(ntohl(mcastaddr
->sin_addr
.s_addr
))) {
1841 fprintf(stderr
, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
1842 inet_ntoa(mcastaddr
->sin_addr
),
1843 (int)ntohl(mcastaddr
->sin_addr
.s_addr
));
1847 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
1849 perror("socket(PF_INET, SOCK_DGRAM)");
1854 ret
=setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
,
1855 (const char *)&val
, sizeof(val
));
1857 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
1861 ret
= bind(fd
, (struct sockaddr
*)mcastaddr
, sizeof(*mcastaddr
));
1867 /* Add host to multicast group */
1868 imr
.imr_multiaddr
= mcastaddr
->sin_addr
;
1869 imr
.imr_interface
.s_addr
= htonl(INADDR_ANY
);
1871 ret
= setsockopt(fd
, IPPROTO_IP
, IP_ADD_MEMBERSHIP
,
1872 (const char *)&imr
, sizeof(struct ip_mreq
));
1874 perror("setsockopt(IP_ADD_MEMBERSHIP)");
1878 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
1880 ret
=setsockopt(fd
, IPPROTO_IP
, IP_MULTICAST_LOOP
,
1881 (const char *)&val
, sizeof(val
));
1883 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
1887 socket_set_nonblock(fd
);
1895 static void net_socket_cleanup(VLANClientState
*vc
)
1897 NetSocketState
*s
= vc
->opaque
;
1898 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1903 static NetSocketState
*net_socket_fd_init_dgram(VLANState
*vlan
,
1906 int fd
, int is_connected
)
1908 struct sockaddr_in saddr
;
1910 socklen_t saddr_len
;
1913 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
1914 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
1915 * by ONLY ONE process: we must "clone" this dgram socket --jjo
1919 if (getsockname(fd
, (struct sockaddr
*) &saddr
, &saddr_len
) == 0) {
1921 if (saddr
.sin_addr
.s_addr
==0) {
1922 fprintf(stderr
, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
1926 /* clone dgram socket */
1927 newfd
= net_socket_mcast_create(&saddr
);
1929 /* error already reported by net_socket_mcast_create() */
1933 /* clone newfd to fd, close newfd */
1938 fprintf(stderr
, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
1939 fd
, strerror(errno
));
1944 s
= qemu_mallocz(sizeof(NetSocketState
));
1947 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, net_socket_receive_dgram
,
1948 NULL
, net_socket_cleanup
, s
);
1949 qemu_set_fd_handler(s
->fd
, net_socket_send_dgram
, NULL
, s
);
1951 /* mcast: save bound address as dst */
1952 if (is_connected
) s
->dgram_dst
=saddr
;
1954 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1955 "socket: fd=%d (%s mcast=%s:%d)",
1956 fd
, is_connected
? "cloned" : "",
1957 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
1961 static void net_socket_connect(void *opaque
)
1963 NetSocketState
*s
= opaque
;
1964 qemu_set_fd_handler(s
->fd
, net_socket_send
, NULL
, s
);
1967 static NetSocketState
*net_socket_fd_init_stream(VLANState
*vlan
,
1970 int fd
, int is_connected
)
1973 s
= qemu_mallocz(sizeof(NetSocketState
));
1975 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, NULL
, net_socket_receive
,
1976 NULL
, net_socket_cleanup
, s
);
1977 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1978 "socket: fd=%d", fd
);
1980 net_socket_connect(s
);
1982 qemu_set_fd_handler(s
->fd
, NULL
, net_socket_connect
, s
);
1987 static NetSocketState
*net_socket_fd_init(VLANState
*vlan
,
1988 const char *model
, const char *name
,
1989 int fd
, int is_connected
)
1991 int so_type
=-1, optlen
=sizeof(so_type
);
1993 if(getsockopt(fd
, SOL_SOCKET
, SO_TYPE
, (char *)&so_type
,
1994 (socklen_t
*)&optlen
)< 0) {
1995 fprintf(stderr
, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd
);
2000 return net_socket_fd_init_dgram(vlan
, model
, name
, fd
, is_connected
);
2002 return net_socket_fd_init_stream(vlan
, model
, name
, fd
, is_connected
);
2004 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
2005 fprintf(stderr
, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type
, fd
);
2006 return net_socket_fd_init_stream(vlan
, model
, name
, fd
, is_connected
);
2011 static void net_socket_accept(void *opaque
)
2013 NetSocketListenState
*s
= opaque
;
2015 struct sockaddr_in saddr
;
2020 len
= sizeof(saddr
);
2021 fd
= accept(s
->fd
, (struct sockaddr
*)&saddr
, &len
);
2022 if (fd
< 0 && errno
!= EINTR
) {
2024 } else if (fd
>= 0) {
2028 s1
= net_socket_fd_init(s
->vlan
, s
->model
, s
->name
, fd
, 1);
2032 snprintf(s1
->vc
->info_str
, sizeof(s1
->vc
->info_str
),
2033 "socket: connection from %s:%d",
2034 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
2038 static int net_socket_listen_init(VLANState
*vlan
,
2041 const char *host_str
)
2043 NetSocketListenState
*s
;
2045 struct sockaddr_in saddr
;
2047 if (parse_host_port(&saddr
, host_str
) < 0)
2050 s
= qemu_mallocz(sizeof(NetSocketListenState
));
2052 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
2057 socket_set_nonblock(fd
);
2059 /* allow fast reuse */
2061 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
2063 ret
= bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
2068 ret
= listen(fd
, 0);
2074 s
->model
= strdup(model
);
2075 s
->name
= name
? strdup(name
) : NULL
;
2077 qemu_set_fd_handler(fd
, net_socket_accept
, NULL
, s
);
2081 static int net_socket_connect_init(VLANState
*vlan
,
2084 const char *host_str
)
2087 int fd
, connected
, ret
, err
;
2088 struct sockaddr_in saddr
;
2090 if (parse_host_port(&saddr
, host_str
) < 0)
2093 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
2098 socket_set_nonblock(fd
);
2102 ret
= connect(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
2104 err
= socket_error();
2105 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
2106 } else if (err
== EINPROGRESS
) {
2109 } else if (err
== WSAEALREADY
) {
2122 s
= net_socket_fd_init(vlan
, model
, name
, fd
, connected
);
2125 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
2126 "socket: connect to %s:%d",
2127 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
2131 static int net_socket_mcast_init(VLANState
*vlan
,
2134 const char *host_str
)
2138 struct sockaddr_in saddr
;
2140 if (parse_host_port(&saddr
, host_str
) < 0)
2144 fd
= net_socket_mcast_create(&saddr
);
2148 s
= net_socket_fd_init(vlan
, model
, name
, fd
, 0);
2152 s
->dgram_dst
= saddr
;
2154 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
2155 "socket: mcast=%s:%d",
2156 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
2161 typedef struct DumpState
{
2162 VLANClientState
*pcap_vc
;
2167 #define PCAP_MAGIC 0xa1b2c3d4
2169 struct pcap_file_hdr
{
2171 uint16_t version_major
;
2172 uint16_t version_minor
;
2179 struct pcap_sf_pkthdr
{
2188 static ssize_t
dump_receive(VLANClientState
*vc
, const uint8_t *buf
, size_t size
)
2190 DumpState
*s
= vc
->opaque
;
2191 struct pcap_sf_pkthdr hdr
;
2195 /* Early return in case of previous error. */
2200 ts
= muldiv64(qemu_get_clock(vm_clock
), 1000000, ticks_per_sec
);
2201 caplen
= size
> s
->pcap_caplen
? s
->pcap_caplen
: size
;
2203 hdr
.ts
.tv_sec
= ts
/ 1000000;
2204 hdr
.ts
.tv_usec
= ts
% 1000000;
2205 hdr
.caplen
= caplen
;
2207 if (write(s
->fd
, &hdr
, sizeof(hdr
)) != sizeof(hdr
) ||
2208 write(s
->fd
, buf
, caplen
) != caplen
) {
2209 qemu_log("-net dump write error - stop dump\n");
2217 static void net_dump_cleanup(VLANClientState
*vc
)
2219 DumpState
*s
= vc
->opaque
;
2225 static int net_dump_init(Monitor
*mon
, VLANState
*vlan
, const char *device
,
2226 const char *name
, const char *filename
, int len
)
2228 struct pcap_file_hdr hdr
;
2231 s
= qemu_malloc(sizeof(DumpState
));
2233 s
->fd
= open(filename
, O_CREAT
| O_WRONLY
| O_BINARY
, 0644);
2235 config_error(mon
, "-net dump: can't open %s\n", filename
);
2239 s
->pcap_caplen
= len
;
2241 hdr
.magic
= PCAP_MAGIC
;
2242 hdr
.version_major
= 2;
2243 hdr
.version_minor
= 4;
2246 hdr
.snaplen
= s
->pcap_caplen
;
2249 if (write(s
->fd
, &hdr
, sizeof(hdr
)) < sizeof(hdr
)) {
2250 config_error(mon
, "-net dump write error: %s\n", strerror(errno
));
2256 s
->pcap_vc
= qemu_new_vlan_client(vlan
, device
, name
, NULL
, dump_receive
, NULL
,
2257 net_dump_cleanup
, s
);
2258 snprintf(s
->pcap_vc
->info_str
, sizeof(s
->pcap_vc
->info_str
),
2259 "dump to %s (len=%d)", filename
, len
);
2263 /* find or alloc a new VLAN */
2264 VLANState
*qemu_find_vlan(int id
)
2266 VLANState
**pvlan
, *vlan
;
2267 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2271 vlan
= qemu_mallocz(sizeof(VLANState
));
2274 pvlan
= &first_vlan
;
2275 while (*pvlan
!= NULL
)
2276 pvlan
= &(*pvlan
)->next
;
2281 static int nic_get_free_idx(void)
2285 for (index
= 0; index
< MAX_NICS
; index
++)
2286 if (!nd_table
[index
].used
)
2291 void qemu_check_nic_model(NICInfo
*nd
, const char *model
)
2293 const char *models
[2];
2298 qemu_check_nic_model_list(nd
, models
, model
);
2301 void qemu_check_nic_model_list(NICInfo
*nd
, const char * const *models
,
2302 const char *default_model
)
2304 int i
, exit_status
= 0;
2307 nd
->model
= strdup(default_model
);
2309 if (strcmp(nd
->model
, "?") != 0) {
2310 for (i
= 0 ; models
[i
]; i
++)
2311 if (strcmp(nd
->model
, models
[i
]) == 0)
2314 fprintf(stderr
, "qemu: Unsupported NIC model: %s\n", nd
->model
);
2318 fprintf(stderr
, "qemu: Supported NIC models: ");
2319 for (i
= 0 ; models
[i
]; i
++)
2320 fprintf(stderr
, "%s%c", models
[i
], models
[i
+1] ? ',' : '\n');
2325 int net_client_init(Monitor
*mon
, const char *device
, const char *p
)
2333 if (get_param_value(buf
, sizeof(buf
), "vlan", p
)) {
2334 vlan_id
= strtol(buf
, NULL
, 0);
2336 vlan
= qemu_find_vlan(vlan_id
);
2338 if (get_param_value(buf
, sizeof(buf
), "name", p
)) {
2339 name
= qemu_strdup(buf
);
2341 if (!strcmp(device
, "nic")) {
2342 static const char * const nic_params
[] = {
2343 "vlan", "name", "macaddr", "model", "addr", "vectors", NULL
2347 int idx
= nic_get_free_idx();
2349 if (check_params(buf
, sizeof(buf
), nic_params
, p
) < 0) {
2350 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2354 if (idx
== -1 || nb_nics
>= MAX_NICS
) {
2355 config_error(mon
, "Too Many NICs\n");
2359 nd
= &nd_table
[idx
];
2360 macaddr
= nd
->macaddr
;
2366 macaddr
[5] = 0x56 + idx
;
2368 if (get_param_value(buf
, sizeof(buf
), "macaddr", p
)) {
2369 if (parse_macaddr(macaddr
, buf
) < 0) {
2370 config_error(mon
, "invalid syntax for ethernet address\n");
2375 if (get_param_value(buf
, sizeof(buf
), "model", p
)) {
2376 nd
->model
= strdup(buf
);
2378 if (get_param_value(buf
, sizeof(buf
), "addr", p
)) {
2379 nd
->devaddr
= strdup(buf
);
2381 nd
->nvectors
= NIC_NVECTORS_UNSPECIFIED
;
2382 if (get_param_value(buf
, sizeof(buf
), "vectors", p
)) {
2384 long vectors
= strtol(buf
, &endptr
, 0);
2386 config_error(mon
, "invalid syntax for # of vectors\n");
2390 if (vectors
< 0 || vectors
> 0x7ffffff) {
2391 config_error(mon
, "invalid # of vectors\n");
2395 nd
->nvectors
= vectors
;
2402 vlan
->nb_guest_devs
++;
2405 if (!strcmp(device
, "none")) {
2407 config_error(mon
, "'none' takes no parameters\n");
2411 /* does nothing. It is needed to signal that no network cards
2416 if (!strcmp(device
, "user")) {
2417 static const char * const slirp_params
[] = {
2418 "vlan", "name", "hostname", "restrict", "ip", "net", "host",
2419 "tftp", "bootfile", "dhcpstart", "dns", "smb", "smbserver",
2420 "hostfwd", "guestfwd", NULL
2422 struct slirp_config_str
*config
;
2426 char *vhostname
= NULL
;
2427 char *tftp_export
= NULL
;
2428 char *bootfile
= NULL
;
2429 char *vdhcp_start
= NULL
;
2430 char *vnamesrv
= NULL
;
2431 char *smb_export
= NULL
;
2432 char *vsmbsrv
= NULL
;
2435 if (check_params(buf
, sizeof(buf
), slirp_params
, p
) < 0) {
2436 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2440 if (get_param_value(buf
, sizeof(buf
), "ip", p
)) {
2441 /* emulate legacy parameter */
2442 vnet
= qemu_malloc(strlen(buf
) + strlen("/24") + 1);
2444 strcat(vnet
, "/24");
2446 if (get_param_value(buf
, sizeof(buf
), "net", p
)) {
2447 vnet
= qemu_strdup(buf
);
2449 if (get_param_value(buf
, sizeof(buf
), "host", p
)) {
2450 vhost
= qemu_strdup(buf
);
2452 if (get_param_value(buf
, sizeof(buf
), "hostname", p
)) {
2453 vhostname
= qemu_strdup(buf
);
2455 if (get_param_value(buf
, sizeof(buf
), "restrict", p
)) {
2456 restricted
= (buf
[0] == 'y') ? 1 : 0;
2458 if (get_param_value(buf
, sizeof(buf
), "dhcpstart", p
)) {
2459 vdhcp_start
= qemu_strdup(buf
);
2461 if (get_param_value(buf
, sizeof(buf
), "dns", p
)) {
2462 vnamesrv
= qemu_strdup(buf
);
2464 if (get_param_value(buf
, sizeof(buf
), "tftp", p
)) {
2465 tftp_export
= qemu_strdup(buf
);
2467 if (get_param_value(buf
, sizeof(buf
), "bootfile", p
)) {
2468 bootfile
= qemu_strdup(buf
);
2470 if (get_param_value(buf
, sizeof(buf
), "smb", p
)) {
2471 smb_export
= qemu_strdup(buf
);
2472 if (get_param_value(buf
, sizeof(buf
), "smbserver", p
)) {
2473 vsmbsrv
= qemu_strdup(buf
);
2478 config
= qemu_malloc(sizeof(*config
));
2479 if (!get_next_param_value(config
->str
, sizeof(config
->str
),
2483 config
->flags
= SLIRP_CFG_HOSTFWD
;
2484 config
->next
= slirp_configs
;
2485 slirp_configs
= config
;
2490 config
= qemu_malloc(sizeof(*config
));
2491 if (!get_next_param_value(config
->str
, sizeof(config
->str
),
2496 config
->next
= slirp_configs
;
2497 slirp_configs
= config
;
2501 vlan
->nb_host_devs
++;
2502 ret
= net_slirp_init(mon
, vlan
, device
, name
, restricted
, vnet
, vhost
,
2503 vhostname
, tftp_export
, bootfile
, vdhcp_start
,
2504 vnamesrv
, smb_export
, vsmbsrv
);
2507 qemu_free(vhostname
);
2508 qemu_free(tftp_export
);
2509 qemu_free(bootfile
);
2510 qemu_free(vdhcp_start
);
2511 qemu_free(vnamesrv
);
2512 qemu_free(smb_export
);
2514 } else if (!strcmp(device
, "channel")) {
2515 if (!slirp_inited
) {
2516 struct slirp_config_str
*config
;
2518 config
= qemu_malloc(sizeof(*config
));
2519 pstrcpy(config
->str
, sizeof(config
->str
), p
);
2520 config
->flags
= SLIRP_CFG_LEGACY
;
2521 config
->next
= slirp_configs
;
2522 slirp_configs
= config
;
2524 slirp_guestfwd(mon
, p
, 1);
2530 if (!strcmp(device
, "tap")) {
2531 static const char * const tap_params
[] = {
2532 "vlan", "name", "ifname", NULL
2536 if (check_params(buf
, sizeof(buf
), tap_params
, p
) < 0) {
2537 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2541 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
2542 config_error(mon
, "tap: no interface name\n");
2546 vlan
->nb_host_devs
++;
2547 ret
= tap_win32_init(vlan
, device
, name
, ifname
);
2549 #elif defined (_AIX)
2551 if (!strcmp(device
, "tap")) {
2552 char ifname
[64], chkbuf
[64];
2553 char setup_script
[1024], down_script
[1024];
2556 vlan
->nb_host_devs
++;
2557 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
2558 static const char * const fd_params
[] = {
2559 "vlan", "name", "fd", "sndbuf", NULL
2561 if (check_params(chkbuf
, sizeof(chkbuf
), fd_params
, p
) < 0) {
2562 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2566 fd
= strtol(buf
, NULL
, 0);
2567 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
2568 s
= net_tap_fd_init(vlan
, device
, name
, fd
);
2570 static const char * const tap_params
[] = {
2571 "vlan", "name", "ifname", "script", "downscript", "sndbuf", NULL
2573 if (check_params(chkbuf
, sizeof(chkbuf
), tap_params
, p
) < 0) {
2574 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2578 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
2581 if (get_param_value(setup_script
, sizeof(setup_script
), "script", p
) == 0) {
2582 pstrcpy(setup_script
, sizeof(setup_script
), DEFAULT_NETWORK_SCRIPT
);
2584 if (get_param_value(down_script
, sizeof(down_script
), "downscript", p
) == 0) {
2585 pstrcpy(down_script
, sizeof(down_script
), DEFAULT_NETWORK_DOWN_SCRIPT
);
2587 s
= net_tap_init(vlan
, device
, name
, ifname
, setup_script
, down_script
);
2590 if (get_param_value(buf
, sizeof(buf
), "sndbuf", p
)) {
2591 tap_set_sndbuf(s
, atoi(buf
), mon
);
2599 if (!strcmp(device
, "socket")) {
2601 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
2602 static const char * const fd_params
[] = {
2603 "vlan", "name", "fd", NULL
2606 if (check_params(chkbuf
, sizeof(chkbuf
), fd_params
, p
) < 0) {
2607 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2611 fd
= strtol(buf
, NULL
, 0);
2613 if (net_socket_fd_init(vlan
, device
, name
, fd
, 1))
2615 } else if (get_param_value(buf
, sizeof(buf
), "listen", p
) > 0) {
2616 static const char * const listen_params
[] = {
2617 "vlan", "name", "listen", NULL
2619 if (check_params(chkbuf
, sizeof(chkbuf
), listen_params
, p
) < 0) {
2620 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2624 ret
= net_socket_listen_init(vlan
, device
, name
, buf
);
2625 } else if (get_param_value(buf
, sizeof(buf
), "connect", p
) > 0) {
2626 static const char * const connect_params
[] = {
2627 "vlan", "name", "connect", NULL
2629 if (check_params(chkbuf
, sizeof(chkbuf
), connect_params
, p
) < 0) {
2630 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2634 ret
= net_socket_connect_init(vlan
, device
, name
, buf
);
2635 } else if (get_param_value(buf
, sizeof(buf
), "mcast", p
) > 0) {
2636 static const char * const mcast_params
[] = {
2637 "vlan", "name", "mcast", NULL
2639 if (check_params(chkbuf
, sizeof(chkbuf
), mcast_params
, p
) < 0) {
2640 config_error(mon
, "invalid parameter '%s' in '%s'\n", chkbuf
, p
);
2644 ret
= net_socket_mcast_init(vlan
, device
, name
, buf
);
2646 config_error(mon
, "Unknown socket options: %s\n", p
);
2650 vlan
->nb_host_devs
++;
2653 if (!strcmp(device
, "vde")) {
2654 static const char * const vde_params
[] = {
2655 "vlan", "name", "sock", "port", "group", "mode", NULL
2657 char vde_sock
[1024], vde_group
[512];
2658 int vde_port
, vde_mode
;
2660 if (check_params(buf
, sizeof(buf
), vde_params
, p
) < 0) {
2661 config_error(mon
, "invalid parameter '%s' in '%s'\n", buf
, p
);
2665 vlan
->nb_host_devs
++;
2666 if (get_param_value(vde_sock
, sizeof(vde_sock
), "sock", p
) <= 0) {
2669 if (get_param_value(buf
, sizeof(buf
), "port", p
) > 0) {
2670 vde_port
= strtol(buf
, NULL
, 10);
2674 if (get_param_value(vde_group
, sizeof(vde_group
), "group", p
) <= 0) {
2675 vde_group
[0] = '\0';
2677 if (get_param_value(buf
, sizeof(buf
), "mode", p
) > 0) {
2678 vde_mode
= strtol(buf
, NULL
, 8);
2682 ret
= net_vde_init(vlan
, device
, name
, vde_sock
, vde_port
, vde_group
, vde_mode
);
2685 if (!strcmp(device
, "dump")) {
2688 if (get_param_value(buf
, sizeof(buf
), "len", p
) > 0) {
2689 len
= strtol(buf
, NULL
, 0);
2691 if (!get_param_value(buf
, sizeof(buf
), "file", p
)) {
2692 snprintf(buf
, sizeof(buf
), "qemu-vlan%d.pcap", vlan_id
);
2694 ret
= net_dump_init(mon
, vlan
, device
, name
, buf
, len
);
2696 config_error(mon
, "Unknown network device: %s\n", device
);
2701 config_error(mon
, "Could not initialize device '%s'\n", device
);
2708 void net_client_uninit(NICInfo
*nd
)
2710 nd
->vlan
->nb_guest_devs
--;
2713 free((void *)nd
->model
);
2716 static int net_host_check_device(const char *device
)
2719 const char *valid_param_list
[] = { "tap", "socket", "dump"
2727 for (i
= 0; i
< sizeof(valid_param_list
) / sizeof(char *); i
++) {
2728 if (!strncmp(valid_param_list
[i
], device
,
2729 strlen(valid_param_list
[i
])))
2736 void net_host_device_add(Monitor
*mon
, const char *device
, const char *opts
)
2738 if (!net_host_check_device(device
)) {
2739 monitor_printf(mon
, "invalid host network device %s\n", device
);
2742 if (net_client_init(mon
, device
, opts
? opts
: "") < 0) {
2743 monitor_printf(mon
, "adding host network device %s failed\n", device
);
2747 void net_host_device_remove(Monitor
*mon
, int vlan_id
, const char *device
)
2750 VLANClientState
*vc
;
2752 vlan
= qemu_find_vlan(vlan_id
);
2754 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
2755 if (!strcmp(vc
->name
, device
)) {
2761 monitor_printf(mon
, "can't find device %s\n", device
);
2764 if (!net_host_check_device(vc
->model
)) {
2765 monitor_printf(mon
, "invalid host network device %s\n", device
);
2768 qemu_del_vlan_client(vc
);
2771 int net_client_parse(const char *str
)
2779 while (*p
!= '\0' && *p
!= ',') {
2780 if ((q
- device
) < sizeof(device
) - 1)
2788 return net_client_init(NULL
, device
, p
);
2791 void net_set_boot_mask(int net_boot_mask
)
2795 /* Only the first four NICs may be bootable */
2796 net_boot_mask
= net_boot_mask
& 0xF;
2798 for (i
= 0; i
< nb_nics
; i
++) {
2799 if (net_boot_mask
& (1 << i
)) {
2800 nd_table
[i
].bootable
= 1;
2801 net_boot_mask
&= ~(1 << i
);
2805 if (net_boot_mask
) {
2806 fprintf(stderr
, "Cannot boot from non-existent NIC\n");
2811 void do_info_network(Monitor
*mon
)
2814 VLANClientState
*vc
;
2816 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2817 monitor_printf(mon
, "VLAN %d devices:\n", vlan
->id
);
2818 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
2819 monitor_printf(mon
, " %s: %s\n", vc
->name
, vc
->info_str
);
2823 int do_set_link(Monitor
*mon
, const char *name
, const char *up_or_down
)
2826 VLANClientState
*vc
= NULL
;
2828 for (vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
)
2829 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
2830 if (strcmp(vc
->name
, name
) == 0)
2835 monitor_printf(mon
, "could not find network device '%s'", name
);
2839 if (strcmp(up_or_down
, "up") == 0)
2841 else if (strcmp(up_or_down
, "down") == 0)
2844 monitor_printf(mon
, "invalid link status '%s'; only 'up' or 'down' "
2845 "valid\n", up_or_down
);
2847 if (vc
->link_status_changed
)
2848 vc
->link_status_changed(vc
);
2853 void net_cleanup(void)
2857 /* close network clients */
2858 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2859 VLANClientState
*vc
= vlan
->first_client
;
2862 VLANClientState
*next
= vc
->next
;
2864 qemu_del_vlan_client(vc
);
2871 void net_client_check(void)
2875 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2876 if (vlan
->nb_guest_devs
== 0 && vlan
->nb_host_devs
== 0)
2878 if (vlan
->nb_guest_devs
== 0)
2879 fprintf(stderr
, "Warning: vlan %d with no nics\n", vlan
->id
);
2880 if (vlan
->nb_host_devs
== 0)
2882 "Warning: vlan %d is not connected to host network\n",