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 IOReadHandler
*fd_read
,
336 IOCanRWHandler
*fd_can_read
,
340 VLANClientState
*vc
, **pvc
;
341 vc
= qemu_mallocz(sizeof(VLANClientState
));
342 vc
->model
= strdup(model
);
344 vc
->name
= strdup(name
);
346 vc
->name
= assign_name(vc
, model
);
347 vc
->fd_read
= fd_read
;
348 vc
->fd_can_read
= fd_can_read
;
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
*vc1
)
394 VLANState
*vlan
= vc1
->vlan
;
397 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
399 if (vc
->fd_can_read
&& vc
->fd_can_read(vc
->opaque
))
407 qemu_deliver_packet(VLANClientState
*sender
, const uint8_t *buf
, int size
)
411 for (vc
= sender
->vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
412 if (vc
!= sender
&& !vc
->link_down
) {
413 vc
->fd_read(vc
->opaque
, buf
, size
);
418 void qemu_send_packet(VLANClientState
*vc
, const uint8_t *buf
, int size
)
420 VLANState
*vlan
= vc
->vlan
;
427 printf("vlan %d send:\n", vlan
->id
);
428 hex_dump(stdout
, buf
, size
);
430 if (vlan
->delivering
) {
431 packet
= qemu_malloc(sizeof(VLANPacket
) + size
);
432 packet
->next
= vlan
->send_queue
;
435 memcpy(packet
->data
, buf
, size
);
436 vlan
->send_queue
= packet
;
438 vlan
->delivering
= 1;
439 qemu_deliver_packet(vc
, buf
, size
);
440 while ((packet
= vlan
->send_queue
) != NULL
) {
441 qemu_deliver_packet(packet
->sender
, packet
->data
, packet
->size
);
442 vlan
->send_queue
= packet
->next
;
445 vlan
->delivering
= 0;
449 static ssize_t
vc_sendv_compat(VLANClientState
*vc
, const struct iovec
*iov
,
452 uint8_t buffer
[4096];
456 for (i
= 0; i
< iovcnt
; i
++) {
459 len
= MIN(sizeof(buffer
) - offset
, iov
[i
].iov_len
);
460 memcpy(buffer
+ offset
, iov
[i
].iov_base
, len
);
464 vc
->fd_read(vc
->opaque
, buffer
, offset
);
469 static ssize_t
calc_iov_length(const struct iovec
*iov
, int iovcnt
)
474 for (i
= 0; i
< iovcnt
; i
++)
475 offset
+= iov
[i
].iov_len
;
479 ssize_t
qemu_sendv_packet(VLANClientState
*vc1
, const struct iovec
*iov
,
482 VLANState
*vlan
= vc1
->vlan
;
487 return calc_iov_length(iov
, iovcnt
);
489 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
496 len
= calc_iov_length(iov
, iovcnt
);
498 len
= vc
->fd_readv(vc
->opaque
, iov
, iovcnt
);
499 else if (vc
->fd_read
)
500 len
= vc_sendv_compat(vc
, iov
, iovcnt
);
502 max_len
= MAX(max_len
, len
);
508 #if defined(CONFIG_SLIRP)
510 /* slirp network adapter */
512 static int slirp_inited
;
513 static int slirp_restrict
;
514 static char *slirp_ip
;
515 static VLANClientState
*slirp_vc
;
517 int slirp_can_output(void)
519 return !slirp_vc
|| qemu_can_send_packet(slirp_vc
);
522 void slirp_output(const uint8_t *pkt
, int pkt_len
)
525 printf("slirp output:\n");
526 hex_dump(stdout
, pkt
, pkt_len
);
530 qemu_send_packet(slirp_vc
, pkt
, pkt_len
);
533 int slirp_is_inited(void)
538 static void slirp_receive(void *opaque
, const uint8_t *buf
, int size
)
541 printf("slirp input:\n");
542 hex_dump(stdout
, buf
, size
);
544 slirp_input(buf
, size
);
547 static int net_slirp_init(VLANState
*vlan
, const char *model
, const char *name
)
551 slirp_init(slirp_restrict
, slirp_ip
);
553 slirp_vc
= qemu_new_vlan_client(vlan
, model
, name
,
554 slirp_receive
, NULL
, NULL
, NULL
);
555 slirp_vc
->info_str
[0] = '\0';
559 void net_slirp_redir(Monitor
*mon
, const char *redir_str
)
563 const char *p
, *errmsg
;
564 struct in_addr guest_addr
;
565 int host_port
, guest_port
;
569 slirp_init(slirp_restrict
, slirp_ip
);
573 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
575 if (!strcmp(buf
, "tcp") || buf
[0] == '\0') {
577 } else if (!strcmp(buf
, "udp")) {
583 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
585 host_port
= strtol(buf
, &r
, 0);
589 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
591 if (buf
[0] == '\0') {
592 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
594 if (!inet_aton(buf
, &guest_addr
))
597 guest_port
= strtol(p
, &r
, 0);
601 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
602 errmsg
= "could not set up redirection\n";
608 errmsg
= "invalid redirection format\n";
611 monitor_printf(mon
, errmsg
);
613 fprintf(stderr
, "qemu: %s", errmsg
);
620 static char smb_dir
[1024];
622 static void erase_dir(char *dir_name
)
628 /* erase all the files in the directory */
629 if ((d
= opendir(dir_name
)) != NULL
) {
634 if (strcmp(de
->d_name
, ".") != 0 &&
635 strcmp(de
->d_name
, "..") != 0) {
636 snprintf(filename
, sizeof(filename
), "%s/%s",
637 smb_dir
, de
->d_name
);
638 if (unlink(filename
) != 0) /* is it a directory? */
647 /* automatic user mode samba server configuration */
648 static void smb_exit(void)
653 /* automatic user mode samba server configuration */
654 void net_slirp_smb(const char *exported_dir
)
657 char smb_cmdline
[1024];
662 slirp_init(slirp_restrict
, slirp_ip
);
665 /* XXX: better tmp dir construction */
666 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%ld", (long)getpid());
667 if (mkdir(smb_dir
, 0700) < 0) {
668 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
671 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
673 f
= fopen(smb_conf
, "w");
675 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
682 "socket address=127.0.0.1\n"
684 "lock directory=%s\n"
685 "log file=%s/log.smbd\n"
686 "smb passwd file=%s/smbpasswd\n"
702 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "%s -s %s",
703 SMBD_COMMAND
, smb_conf
);
705 slirp_add_exec(0, smb_cmdline
, 4, 139);
708 #endif /* !defined(_WIN32) */
709 void do_info_slirp(Monitor
*mon
)
719 static int vmchannel_can_read(void *opaque
)
721 struct VMChannel
*vmc
= (struct VMChannel
*)opaque
;
722 return slirp_socket_can_recv(4, vmc
->port
);
725 static void vmchannel_read(void *opaque
, const uint8_t *buf
, int size
)
727 struct VMChannel
*vmc
= (struct VMChannel
*)opaque
;
728 slirp_socket_recv(4, vmc
->port
, buf
, size
);
731 #endif /* CONFIG_SLIRP */
735 typedef struct TAPState
{
738 char down_script
[1024];
739 char down_script_arg
[128];
742 static int launch_script(const char *setup_script
, const char *ifname
, int fd
);
744 static ssize_t
tap_receive_iov(void *opaque
, const struct iovec
*iov
,
747 TAPState
*s
= opaque
;
751 len
= writev(s
->fd
, iov
, iovcnt
);
752 } while (len
== -1 && (errno
== EINTR
|| errno
== EAGAIN
));
757 static void tap_receive(void *opaque
, const uint8_t *buf
, int size
)
759 TAPState
*s
= opaque
;
762 ret
= write(s
->fd
, buf
, size
);
763 if (ret
< 0 && (errno
== EINTR
|| errno
== EAGAIN
)) {
770 static void tap_send(void *opaque
)
772 TAPState
*s
= opaque
;
779 sbuf
.maxlen
= sizeof(buf
);
780 sbuf
.buf
= (char *)buf
;
781 size
= getmsg(s
->fd
, NULL
, &sbuf
, &f
) >=0 ? sbuf
.len
: -1;
783 size
= read(s
->fd
, buf
, sizeof(buf
));
786 qemu_send_packet(s
->vc
, buf
, size
);
790 static void tap_cleanup(VLANClientState
*vc
)
792 TAPState
*s
= vc
->opaque
;
794 if (s
->down_script
[0])
795 launch_script(s
->down_script
, s
->down_script_arg
, s
->fd
);
797 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
804 static TAPState
*net_tap_fd_init(VLANState
*vlan
,
811 s
= qemu_mallocz(sizeof(TAPState
));
813 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, tap_receive
,
814 NULL
, tap_cleanup
, s
);
815 s
->vc
->fd_readv
= tap_receive_iov
;
816 qemu_set_fd_handler(s
->fd
, tap_send
, NULL
, s
);
817 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "fd=%d", fd
);
821 #if defined (HOST_BSD) || defined (__FreeBSD_kernel__)
822 static int tap_open(char *ifname
, int ifname_size
)
828 TFR(fd
= open("/dev/tap", O_RDWR
));
830 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
835 dev
= devname(s
.st_rdev
, S_IFCHR
);
836 pstrcpy(ifname
, ifname_size
, dev
);
838 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
841 #elif defined(__sun__)
842 #define TUNNEWPPA (('T'<<16) | 0x0001)
844 * Allocate TAP device, returns opened fd.
845 * Stores dev name in the first arg(must be large enough).
847 static int tap_alloc(char *dev
, size_t dev_size
)
849 int tap_fd
, if_fd
, ppa
= -1;
850 static int ip_fd
= 0;
853 static int arp_fd
= 0;
854 int ip_muxid
, arp_muxid
;
855 struct strioctl strioc_if
, strioc_ppa
;
856 int link_type
= I_PLINK
;;
858 char actual_name
[32] = "";
860 memset(&ifr
, 0x0, sizeof(ifr
));
864 while( *ptr
&& !qemu_isdigit((int)*ptr
) ) ptr
++;
868 /* Check if IP device was opened */
872 TFR(ip_fd
= open("/dev/udp", O_RDWR
, 0));
874 syslog(LOG_ERR
, "Can't open /dev/ip (actually /dev/udp)");
878 TFR(tap_fd
= open("/dev/tap", O_RDWR
, 0));
880 syslog(LOG_ERR
, "Can't open /dev/tap");
884 /* Assign a new PPA and get its unit number. */
885 strioc_ppa
.ic_cmd
= TUNNEWPPA
;
886 strioc_ppa
.ic_timout
= 0;
887 strioc_ppa
.ic_len
= sizeof(ppa
);
888 strioc_ppa
.ic_dp
= (char *)&ppa
;
889 if ((ppa
= ioctl (tap_fd
, I_STR
, &strioc_ppa
)) < 0)
890 syslog (LOG_ERR
, "Can't assign new interface");
892 TFR(if_fd
= open("/dev/tap", O_RDWR
, 0));
894 syslog(LOG_ERR
, "Can't open /dev/tap (2)");
897 if(ioctl(if_fd
, I_PUSH
, "ip") < 0){
898 syslog(LOG_ERR
, "Can't push IP module");
902 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) < 0)
903 syslog(LOG_ERR
, "Can't get flags\n");
905 snprintf (actual_name
, 32, "tap%d", ppa
);
906 pstrcpy(ifr
.lifr_name
, sizeof(ifr
.lifr_name
), actual_name
);
909 /* Assign ppa according to the unit number returned by tun device */
911 if (ioctl (if_fd
, SIOCSLIFNAME
, &ifr
) < 0)
912 syslog (LOG_ERR
, "Can't set PPA %d", ppa
);
913 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) <0)
914 syslog (LOG_ERR
, "Can't get flags\n");
915 /* Push arp module to if_fd */
916 if (ioctl (if_fd
, I_PUSH
, "arp") < 0)
917 syslog (LOG_ERR
, "Can't push ARP module (2)");
919 /* Push arp module to ip_fd */
920 if (ioctl (ip_fd
, I_POP
, NULL
) < 0)
921 syslog (LOG_ERR
, "I_POP failed\n");
922 if (ioctl (ip_fd
, I_PUSH
, "arp") < 0)
923 syslog (LOG_ERR
, "Can't push ARP module (3)\n");
925 TFR(arp_fd
= open ("/dev/tap", O_RDWR
, 0));
927 syslog (LOG_ERR
, "Can't open %s\n", "/dev/tap");
929 /* Set ifname to arp */
930 strioc_if
.ic_cmd
= SIOCSLIFNAME
;
931 strioc_if
.ic_timout
= 0;
932 strioc_if
.ic_len
= sizeof(ifr
);
933 strioc_if
.ic_dp
= (char *)&ifr
;
934 if (ioctl(arp_fd
, I_STR
, &strioc_if
) < 0){
935 syslog (LOG_ERR
, "Can't set ifname to arp\n");
938 if((ip_muxid
= ioctl(ip_fd
, I_LINK
, if_fd
)) < 0){
939 syslog(LOG_ERR
, "Can't link TAP device to IP");
943 if ((arp_muxid
= ioctl (ip_fd
, link_type
, arp_fd
)) < 0)
944 syslog (LOG_ERR
, "Can't link TAP device to ARP");
948 memset(&ifr
, 0x0, sizeof(ifr
));
949 pstrcpy(ifr
.lifr_name
, sizeof(ifr
.lifr_name
), actual_name
);
950 ifr
.lifr_ip_muxid
= ip_muxid
;
951 ifr
.lifr_arp_muxid
= arp_muxid
;
953 if (ioctl (ip_fd
, SIOCSLIFMUXID
, &ifr
) < 0)
955 ioctl (ip_fd
, I_PUNLINK
, arp_muxid
);
956 ioctl (ip_fd
, I_PUNLINK
, ip_muxid
);
957 syslog (LOG_ERR
, "Can't set multiplexor id");
960 snprintf(dev
, dev_size
, "tap%d", ppa
);
964 static int tap_open(char *ifname
, int ifname_size
)
968 if( (fd
= tap_alloc(dev
, sizeof(dev
))) < 0 ){
969 fprintf(stderr
, "Cannot allocate TAP device\n");
972 pstrcpy(ifname
, ifname_size
, dev
);
973 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
977 static int tap_open(char *ifname
, int ifname_size
)
979 fprintf (stderr
, "no tap on AIX\n");
983 static int tap_open(char *ifname
, int ifname_size
)
988 TFR(fd
= open("/dev/net/tun", O_RDWR
));
990 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
993 memset(&ifr
, 0, sizeof(ifr
));
994 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
995 if (ifname
[0] != '\0')
996 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, ifname
);
998 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tap%d");
999 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1001 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1005 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1006 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1011 static int launch_script(const char *setup_script
, const char *ifname
, int fd
)
1017 /* try to launch network script */
1021 int open_max
= sysconf (_SC_OPEN_MAX
), i
;
1022 for (i
= 0; i
< open_max
; i
++)
1023 if (i
!= STDIN_FILENO
&&
1024 i
!= STDOUT_FILENO
&&
1025 i
!= STDERR_FILENO
&&
1030 *parg
++ = (char *)setup_script
;
1031 *parg
++ = (char *)ifname
;
1033 execv(setup_script
, args
);
1036 while (waitpid(pid
, &status
, 0) != pid
);
1037 if (!WIFEXITED(status
) ||
1038 WEXITSTATUS(status
) != 0) {
1039 fprintf(stderr
, "%s: could not launch network script\n",
1047 static int net_tap_init(VLANState
*vlan
, const char *model
,
1048 const char *name
, const char *ifname1
,
1049 const char *setup_script
, const char *down_script
)
1055 if (ifname1
!= NULL
)
1056 pstrcpy(ifname
, sizeof(ifname
), ifname1
);
1059 TFR(fd
= tap_open(ifname
, sizeof(ifname
)));
1063 if (!setup_script
|| !strcmp(setup_script
, "no"))
1065 if (setup_script
[0] != '\0') {
1066 if (launch_script(setup_script
, ifname
, fd
))
1069 s
= net_tap_fd_init(vlan
, model
, name
, fd
);
1070 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1071 "ifname=%s,script=%s,downscript=%s",
1072 ifname
, setup_script
, down_script
);
1073 if (down_script
&& strcmp(down_script
, "no")) {
1074 snprintf(s
->down_script
, sizeof(s
->down_script
), "%s", down_script
);
1075 snprintf(s
->down_script_arg
, sizeof(s
->down_script_arg
), "%s", ifname
);
1080 #endif /* !_WIN32 */
1082 #if defined(CONFIG_VDE)
1083 typedef struct VDEState
{
1084 VLANClientState
*vc
;
1088 static void vde_to_qemu(void *opaque
)
1090 VDEState
*s
= opaque
;
1094 size
= vde_recv(s
->vde
, buf
, sizeof(buf
), 0);
1096 qemu_send_packet(s
->vc
, buf
, size
);
1100 static void vde_from_qemu(void *opaque
, const uint8_t *buf
, int size
)
1102 VDEState
*s
= opaque
;
1105 ret
= vde_send(s
->vde
, buf
, size
, 0);
1106 if (ret
< 0 && errno
== EINTR
) {
1113 static void vde_cleanup(VLANClientState
*vc
)
1115 VDEState
*s
= vc
->opaque
;
1116 qemu_set_fd_handler(vde_datafd(s
->vde
), NULL
, NULL
, NULL
);
1121 static int net_vde_init(VLANState
*vlan
, const char *model
,
1122 const char *name
, const char *sock
,
1123 int port
, const char *group
, int mode
)
1126 char *init_group
= strlen(group
) ? (char *)group
: NULL
;
1127 char *init_sock
= strlen(sock
) ? (char *)sock
: NULL
;
1129 struct vde_open_args args
= {
1131 .group
= init_group
,
1135 s
= qemu_mallocz(sizeof(VDEState
));
1136 s
->vde
= vde_open(init_sock
, "QEMU", &args
);
1141 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, vde_from_qemu
,
1142 NULL
, vde_cleanup
, s
);
1143 qemu_set_fd_handler(vde_datafd(s
->vde
), vde_to_qemu
, NULL
, s
);
1144 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "sock=%s,fd=%d",
1145 sock
, vde_datafd(s
->vde
));
1150 /* network connection */
1151 typedef struct NetSocketState
{
1152 VLANClientState
*vc
;
1154 int state
; /* 0 = getting length, 1 = getting data */
1156 unsigned int packet_len
;
1158 struct sockaddr_in dgram_dst
; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
1161 typedef struct NetSocketListenState
{
1166 } NetSocketListenState
;
1168 /* XXX: we consider we can send the whole packet without blocking */
1169 static void net_socket_receive(void *opaque
, const uint8_t *buf
, int size
)
1171 NetSocketState
*s
= opaque
;
1175 send_all(s
->fd
, (const uint8_t *)&len
, sizeof(len
));
1176 send_all(s
->fd
, buf
, size
);
1179 static void net_socket_receive_dgram(void *opaque
, const uint8_t *buf
, int size
)
1181 NetSocketState
*s
= opaque
;
1182 sendto(s
->fd
, buf
, size
, 0,
1183 (struct sockaddr
*)&s
->dgram_dst
, sizeof(s
->dgram_dst
));
1186 static void net_socket_send(void *opaque
)
1188 NetSocketState
*s
= opaque
;
1194 size
= recv(s
->fd
, buf1
, sizeof(buf1
), 0);
1196 err
= socket_error();
1197 if (err
!= EWOULDBLOCK
)
1199 } else if (size
== 0) {
1200 /* end of connection */
1202 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1208 /* reassemble a packet from the network */
1214 memcpy(s
->buf
+ s
->index
, buf
, l
);
1218 if (s
->index
== 4) {
1220 s
->packet_len
= ntohl(*(uint32_t *)s
->buf
);
1226 l
= s
->packet_len
- s
->index
;
1229 if (s
->index
+ l
<= sizeof(s
->buf
)) {
1230 memcpy(s
->buf
+ s
->index
, buf
, l
);
1232 fprintf(stderr
, "serious error: oversized packet received,"
1233 "connection terminated.\n");
1241 if (s
->index
>= s
->packet_len
) {
1242 qemu_send_packet(s
->vc
, s
->buf
, s
->packet_len
);
1251 static void net_socket_send_dgram(void *opaque
)
1253 NetSocketState
*s
= opaque
;
1256 size
= recv(s
->fd
, s
->buf
, sizeof(s
->buf
), 0);
1260 /* end of connection */
1261 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1264 qemu_send_packet(s
->vc
, s
->buf
, size
);
1267 static int net_socket_mcast_create(struct sockaddr_in
*mcastaddr
)
1272 if (!IN_MULTICAST(ntohl(mcastaddr
->sin_addr
.s_addr
))) {
1273 fprintf(stderr
, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
1274 inet_ntoa(mcastaddr
->sin_addr
),
1275 (int)ntohl(mcastaddr
->sin_addr
.s_addr
));
1279 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
1281 perror("socket(PF_INET, SOCK_DGRAM)");
1286 ret
=setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
,
1287 (const char *)&val
, sizeof(val
));
1289 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
1293 ret
= bind(fd
, (struct sockaddr
*)mcastaddr
, sizeof(*mcastaddr
));
1299 /* Add host to multicast group */
1300 imr
.imr_multiaddr
= mcastaddr
->sin_addr
;
1301 imr
.imr_interface
.s_addr
= htonl(INADDR_ANY
);
1303 ret
= setsockopt(fd
, IPPROTO_IP
, IP_ADD_MEMBERSHIP
,
1304 (const char *)&imr
, sizeof(struct ip_mreq
));
1306 perror("setsockopt(IP_ADD_MEMBERSHIP)");
1310 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
1312 ret
=setsockopt(fd
, IPPROTO_IP
, IP_MULTICAST_LOOP
,
1313 (const char *)&val
, sizeof(val
));
1315 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
1319 socket_set_nonblock(fd
);
1327 static void net_socket_cleanup(VLANClientState
*vc
)
1329 NetSocketState
*s
= vc
->opaque
;
1330 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1335 static NetSocketState
*net_socket_fd_init_dgram(VLANState
*vlan
,
1338 int fd
, int is_connected
)
1340 struct sockaddr_in saddr
;
1342 socklen_t saddr_len
;
1345 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
1346 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
1347 * by ONLY ONE process: we must "clone" this dgram socket --jjo
1351 if (getsockname(fd
, (struct sockaddr
*) &saddr
, &saddr_len
) == 0) {
1353 if (saddr
.sin_addr
.s_addr
==0) {
1354 fprintf(stderr
, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
1358 /* clone dgram socket */
1359 newfd
= net_socket_mcast_create(&saddr
);
1361 /* error already reported by net_socket_mcast_create() */
1365 /* clone newfd to fd, close newfd */
1370 fprintf(stderr
, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
1371 fd
, strerror(errno
));
1376 s
= qemu_mallocz(sizeof(NetSocketState
));
1379 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, net_socket_receive_dgram
,
1380 NULL
, net_socket_cleanup
, s
);
1381 qemu_set_fd_handler(s
->fd
, net_socket_send_dgram
, NULL
, s
);
1383 /* mcast: save bound address as dst */
1384 if (is_connected
) s
->dgram_dst
=saddr
;
1386 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1387 "socket: fd=%d (%s mcast=%s:%d)",
1388 fd
, is_connected
? "cloned" : "",
1389 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
1393 static void net_socket_connect(void *opaque
)
1395 NetSocketState
*s
= opaque
;
1396 qemu_set_fd_handler(s
->fd
, net_socket_send
, NULL
, s
);
1399 static NetSocketState
*net_socket_fd_init_stream(VLANState
*vlan
,
1402 int fd
, int is_connected
)
1405 s
= qemu_mallocz(sizeof(NetSocketState
));
1407 s
->vc
= qemu_new_vlan_client(vlan
, model
, name
, net_socket_receive
,
1408 NULL
, net_socket_cleanup
, s
);
1409 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1410 "socket: fd=%d", fd
);
1412 net_socket_connect(s
);
1414 qemu_set_fd_handler(s
->fd
, NULL
, net_socket_connect
, s
);
1419 static NetSocketState
*net_socket_fd_init(VLANState
*vlan
,
1420 const char *model
, const char *name
,
1421 int fd
, int is_connected
)
1423 int so_type
=-1, optlen
=sizeof(so_type
);
1425 if(getsockopt(fd
, SOL_SOCKET
, SO_TYPE
, (char *)&so_type
,
1426 (socklen_t
*)&optlen
)< 0) {
1427 fprintf(stderr
, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd
);
1432 return net_socket_fd_init_dgram(vlan
, model
, name
, fd
, is_connected
);
1434 return net_socket_fd_init_stream(vlan
, model
, name
, fd
, is_connected
);
1436 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
1437 fprintf(stderr
, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type
, fd
);
1438 return net_socket_fd_init_stream(vlan
, model
, name
, fd
, is_connected
);
1443 static void net_socket_accept(void *opaque
)
1445 NetSocketListenState
*s
= opaque
;
1447 struct sockaddr_in saddr
;
1452 len
= sizeof(saddr
);
1453 fd
= accept(s
->fd
, (struct sockaddr
*)&saddr
, &len
);
1454 if (fd
< 0 && errno
!= EINTR
) {
1456 } else if (fd
>= 0) {
1460 s1
= net_socket_fd_init(s
->vlan
, s
->model
, s
->name
, fd
, 1);
1464 snprintf(s1
->vc
->info_str
, sizeof(s1
->vc
->info_str
),
1465 "socket: connection from %s:%d",
1466 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
1470 static int net_socket_listen_init(VLANState
*vlan
,
1473 const char *host_str
)
1475 NetSocketListenState
*s
;
1477 struct sockaddr_in saddr
;
1479 if (parse_host_port(&saddr
, host_str
) < 0)
1482 s
= qemu_mallocz(sizeof(NetSocketListenState
));
1484 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
1489 socket_set_nonblock(fd
);
1491 /* allow fast reuse */
1493 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
1495 ret
= bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
1500 ret
= listen(fd
, 0);
1506 s
->model
= strdup(model
);
1507 s
->name
= name
? strdup(name
) : NULL
;
1509 qemu_set_fd_handler(fd
, net_socket_accept
, NULL
, s
);
1513 static int net_socket_connect_init(VLANState
*vlan
,
1516 const char *host_str
)
1519 int fd
, connected
, ret
, err
;
1520 struct sockaddr_in saddr
;
1522 if (parse_host_port(&saddr
, host_str
) < 0)
1525 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
1530 socket_set_nonblock(fd
);
1534 ret
= connect(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
1536 err
= socket_error();
1537 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
1538 } else if (err
== EINPROGRESS
) {
1541 } else if (err
== WSAEALREADY
) {
1554 s
= net_socket_fd_init(vlan
, model
, name
, fd
, connected
);
1557 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1558 "socket: connect to %s:%d",
1559 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
1563 static int net_socket_mcast_init(VLANState
*vlan
,
1566 const char *host_str
)
1570 struct sockaddr_in saddr
;
1572 if (parse_host_port(&saddr
, host_str
) < 0)
1576 fd
= net_socket_mcast_create(&saddr
);
1580 s
= net_socket_fd_init(vlan
, model
, name
, fd
, 0);
1584 s
->dgram_dst
= saddr
;
1586 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
1587 "socket: mcast=%s:%d",
1588 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
1593 typedef struct DumpState
{
1594 VLANClientState
*pcap_vc
;
1599 #define PCAP_MAGIC 0xa1b2c3d4
1601 struct pcap_file_hdr
{
1603 uint16_t version_major
;
1604 uint16_t version_minor
;
1611 struct pcap_sf_pkthdr
{
1620 static void dump_receive(void *opaque
, const uint8_t *buf
, int size
)
1622 DumpState
*s
= opaque
;
1623 struct pcap_sf_pkthdr hdr
;
1627 /* Early return in case of previous error. */
1632 ts
= muldiv64 (qemu_get_clock(vm_clock
),1000000, ticks_per_sec
);
1633 caplen
= size
> s
->pcap_caplen
? s
->pcap_caplen
: size
;
1635 hdr
.ts
.tv_sec
= ts
/ 1000000000LL;
1636 hdr
.ts
.tv_usec
= ts
% 1000000;
1637 hdr
.caplen
= caplen
;
1639 if (write(s
->fd
, &hdr
, sizeof(hdr
)) != sizeof(hdr
) ||
1640 write(s
->fd
, buf
, caplen
) != caplen
) {
1641 qemu_log("-net dump write error - stop dump\n");
1647 static void net_dump_cleanup(VLANClientState
*vc
)
1649 DumpState
*s
= vc
->opaque
;
1655 static int net_dump_init(VLANState
*vlan
, const char *device
,
1656 const char *name
, const char *filename
, int len
)
1658 struct pcap_file_hdr hdr
;
1661 s
= qemu_malloc(sizeof(DumpState
));
1663 s
->fd
= open(filename
, O_CREAT
| O_WRONLY
, 0644);
1665 fprintf(stderr
, "-net dump: can't open %s\n", filename
);
1669 s
->pcap_caplen
= len
;
1671 hdr
.magic
= PCAP_MAGIC
;
1672 hdr
.version_major
= 2;
1673 hdr
.version_minor
= 4;
1676 hdr
.snaplen
= s
->pcap_caplen
;
1679 if (write(s
->fd
, &hdr
, sizeof(hdr
)) < sizeof(hdr
)) {
1680 perror("-net dump write error");
1686 s
->pcap_vc
= qemu_new_vlan_client(vlan
, device
, name
, dump_receive
, NULL
,
1687 net_dump_cleanup
, s
);
1688 snprintf(s
->pcap_vc
->info_str
, sizeof(s
->pcap_vc
->info_str
),
1689 "dump to %s (len=%d)", filename
, len
);
1693 /* find or alloc a new VLAN */
1694 VLANState
*qemu_find_vlan(int id
)
1696 VLANState
**pvlan
, *vlan
;
1697 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1701 vlan
= qemu_mallocz(sizeof(VLANState
));
1704 pvlan
= &first_vlan
;
1705 while (*pvlan
!= NULL
)
1706 pvlan
= &(*pvlan
)->next
;
1711 static int nic_get_free_idx(void)
1715 for (index
= 0; index
< MAX_NICS
; index
++)
1716 if (!nd_table
[index
].used
)
1721 void qemu_check_nic_model(NICInfo
*nd
, const char *model
)
1723 const char *models
[2];
1728 qemu_check_nic_model_list(nd
, models
, model
);
1731 void qemu_check_nic_model_list(NICInfo
*nd
, const char * const *models
,
1732 const char *default_model
)
1734 int i
, exit_status
= 0;
1737 nd
->model
= strdup(default_model
);
1739 if (strcmp(nd
->model
, "?") != 0) {
1740 for (i
= 0 ; models
[i
]; i
++)
1741 if (strcmp(nd
->model
, models
[i
]) == 0)
1744 fprintf(stderr
, "qemu: Unsupported NIC model: %s\n", nd
->model
);
1748 fprintf(stderr
, "qemu: Supported NIC models: ");
1749 for (i
= 0 ; models
[i
]; i
++)
1750 fprintf(stderr
, "%s%c", models
[i
], models
[i
+1] ? ',' : '\n');
1755 int net_client_init(const char *device
, const char *p
)
1757 static const char * const fd_params
[] = {
1758 "vlan", "name", "fd", NULL
1766 if (get_param_value(buf
, sizeof(buf
), "vlan", p
)) {
1767 vlan_id
= strtol(buf
, NULL
, 0);
1769 vlan
= qemu_find_vlan(vlan_id
);
1771 if (get_param_value(buf
, sizeof(buf
), "name", p
)) {
1774 if (!strcmp(device
, "nic")) {
1775 static const char * const nic_params
[] = {
1776 "vlan", "name", "macaddr", "model", NULL
1780 int idx
= nic_get_free_idx();
1782 if (check_params(buf
, sizeof(buf
), nic_params
, p
) < 0) {
1783 fprintf(stderr
, "qemu: invalid parameter '%s' in '%s'\n",
1787 if (idx
== -1 || nb_nics
>= MAX_NICS
) {
1788 fprintf(stderr
, "Too Many NICs\n");
1792 nd
= &nd_table
[idx
];
1793 macaddr
= nd
->macaddr
;
1799 macaddr
[5] = 0x56 + idx
;
1801 if (get_param_value(buf
, sizeof(buf
), "macaddr", p
)) {
1802 if (parse_macaddr(macaddr
, buf
) < 0) {
1803 fprintf(stderr
, "invalid syntax for ethernet address\n");
1808 if (get_param_value(buf
, sizeof(buf
), "model", p
)) {
1809 nd
->model
= strdup(buf
);
1816 vlan
->nb_guest_devs
++;
1819 if (!strcmp(device
, "none")) {
1821 fprintf(stderr
, "qemu: 'none' takes no parameters\n");
1824 /* does nothing. It is needed to signal that no network cards
1829 if (!strcmp(device
, "user")) {
1830 static const char * const slirp_params
[] = {
1831 "vlan", "name", "hostname", "restrict", "ip", NULL
1833 if (check_params(buf
, sizeof(buf
), slirp_params
, p
) < 0) {
1834 fprintf(stderr
, "qemu: invalid parameter '%s' in '%s'\n",
1838 if (get_param_value(buf
, sizeof(buf
), "hostname", p
)) {
1839 pstrcpy(slirp_hostname
, sizeof(slirp_hostname
), buf
);
1841 if (get_param_value(buf
, sizeof(buf
), "restrict", p
)) {
1842 slirp_restrict
= (buf
[0] == 'y') ? 1 : 0;
1844 if (get_param_value(buf
, sizeof(buf
), "ip", p
)) {
1845 slirp_ip
= strdup(buf
);
1847 vlan
->nb_host_devs
++;
1848 ret
= net_slirp_init(vlan
, device
, name
);
1849 } else if (!strcmp(device
, "channel")) {
1851 char name
[20], *devname
;
1852 struct VMChannel
*vmc
;
1854 port
= strtol(p
, &devname
, 10);
1856 if (port
< 1 || port
> 65535) {
1857 fprintf(stderr
, "vmchannel wrong port number\n");
1861 vmc
= malloc(sizeof(struct VMChannel
));
1862 snprintf(name
, 20, "vmchannel%ld", port
);
1863 vmc
->hd
= qemu_chr_open(name
, devname
, NULL
);
1865 fprintf(stderr
, "qemu: could not open vmchannel device"
1871 slirp_add_exec(3, vmc
->hd
, 4, port
);
1872 qemu_chr_add_handlers(vmc
->hd
, vmchannel_can_read
, vmchannel_read
,
1878 if (!strcmp(device
, "tap")) {
1879 static const char * const tap_params
[] = {
1880 "vlan", "name", "ifname", NULL
1884 if (check_params(buf
, sizeof(buf
), tap_params
, p
) < 0) {
1885 fprintf(stderr
, "qemu: invalid parameter '%s' in '%s'\n",
1889 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
1890 fprintf(stderr
, "tap: no interface name\n");
1894 vlan
->nb_host_devs
++;
1895 ret
= tap_win32_init(vlan
, device
, name
, ifname
);
1897 #elif defined (_AIX)
1899 if (!strcmp(device
, "tap")) {
1901 char setup_script
[1024], down_script
[1024];
1903 vlan
->nb_host_devs
++;
1904 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
1905 if (check_params(buf
, sizeof(buf
), fd_params
, p
) < 0) {
1906 fprintf(stderr
, "qemu: invalid parameter '%s' in '%s'\n",
1910 fd
= strtol(buf
, NULL
, 0);
1911 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1912 net_tap_fd_init(vlan
, device
, name
, fd
);
1915 static const char * const tap_params
[] = {
1916 "vlan", "name", "ifname", "script", "downscript", NULL
1918 if (check_params(buf
, sizeof(buf
), tap_params
, p
) < 0) {
1919 fprintf(stderr
, "qemu: invalid parameter '%s' in '%s'\n",
1923 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
1926 if (get_param_value(setup_script
, sizeof(setup_script
), "script", p
) == 0) {
1927 pstrcpy(setup_script
, sizeof(setup_script
), DEFAULT_NETWORK_SCRIPT
);
1929 if (get_param_value(down_script
, sizeof(down_script
), "downscript", p
) == 0) {
1930 pstrcpy(down_script
, sizeof(down_script
), DEFAULT_NETWORK_DOWN_SCRIPT
);
1932 ret
= net_tap_init(vlan
, device
, name
, ifname
, setup_script
, down_script
);
1936 if (!strcmp(device
, "socket")) {
1937 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
1939 if (check_params(buf
, sizeof(buf
), fd_params
, p
) < 0) {
1940 fprintf(stderr
, "qemu: invalid parameter '%s' in '%s'\n",
1944 fd
= strtol(buf
, NULL
, 0);
1946 if (net_socket_fd_init(vlan
, device
, name
, fd
, 1))
1948 } else if (get_param_value(buf
, sizeof(buf
), "listen", p
) > 0) {
1949 static const char * const listen_params
[] = {
1950 "vlan", "name", "listen", NULL
1952 if (check_params(buf
, sizeof(buf
), listen_params
, p
) < 0) {
1953 fprintf(stderr
, "qemu: invalid parameter '%s' in '%s'\n",
1957 ret
= net_socket_listen_init(vlan
, device
, name
, buf
);
1958 } else if (get_param_value(buf
, sizeof(buf
), "connect", p
) > 0) {
1959 static const char * const connect_params
[] = {
1960 "vlan", "name", "connect", NULL
1962 if (check_params(buf
, sizeof(buf
), connect_params
, p
) < 0) {
1963 fprintf(stderr
, "qemu: invalid parameter '%s' in '%s'\n",
1967 ret
= net_socket_connect_init(vlan
, device
, name
, buf
);
1968 } else if (get_param_value(buf
, sizeof(buf
), "mcast", p
) > 0) {
1969 static const char * const mcast_params
[] = {
1970 "vlan", "name", "mcast", NULL
1972 if (check_params(buf
, sizeof(buf
), mcast_params
, p
) < 0) {
1973 fprintf(stderr
, "qemu: invalid parameter '%s' in '%s'\n",
1977 ret
= net_socket_mcast_init(vlan
, device
, name
, buf
);
1979 fprintf(stderr
, "Unknown socket options: %s\n", p
);
1983 vlan
->nb_host_devs
++;
1986 if (!strcmp(device
, "vde")) {
1987 static const char * const vde_params
[] = {
1988 "vlan", "name", "sock", "port", "group", "mode", NULL
1990 char vde_sock
[1024], vde_group
[512];
1991 int vde_port
, vde_mode
;
1993 if (check_params(buf
, sizeof(buf
), vde_params
, p
) < 0) {
1994 fprintf(stderr
, "qemu: invalid parameter '%s' in '%s'\n",
1998 vlan
->nb_host_devs
++;
1999 if (get_param_value(vde_sock
, sizeof(vde_sock
), "sock", p
) <= 0) {
2002 if (get_param_value(buf
, sizeof(buf
), "port", p
) > 0) {
2003 vde_port
= strtol(buf
, NULL
, 10);
2007 if (get_param_value(vde_group
, sizeof(vde_group
), "group", p
) <= 0) {
2008 vde_group
[0] = '\0';
2010 if (get_param_value(buf
, sizeof(buf
), "mode", p
) > 0) {
2011 vde_mode
= strtol(buf
, NULL
, 8);
2015 ret
= net_vde_init(vlan
, device
, name
, vde_sock
, vde_port
, vde_group
, vde_mode
);
2018 if (!strcmp(device
, "dump")) {
2021 if (get_param_value(buf
, sizeof(buf
), "len", p
) > 0) {
2022 len
= strtol(buf
, NULL
, 0);
2024 if (!get_param_value(buf
, sizeof(buf
), "file", p
)) {
2025 snprintf(buf
, sizeof(buf
), "qemu-vlan%d.pcap", vlan_id
);
2027 ret
= net_dump_init(vlan
, device
, name
, buf
, len
);
2029 fprintf(stderr
, "Unknown network device: %s\n", device
);
2034 fprintf(stderr
, "Could not initialize device '%s'\n", device
);
2042 void net_client_uninit(NICInfo
*nd
)
2044 nd
->vlan
->nb_guest_devs
--;
2047 free((void *)nd
->model
);
2050 static int net_host_check_device(const char *device
)
2053 const char *valid_param_list
[] = { "tap", "socket", "dump"
2061 for (i
= 0; i
< sizeof(valid_param_list
) / sizeof(char *); i
++) {
2062 if (!strncmp(valid_param_list
[i
], device
,
2063 strlen(valid_param_list
[i
])))
2070 void net_host_device_add(Monitor
*mon
, const char *device
, const char *opts
)
2072 if (!net_host_check_device(device
)) {
2073 monitor_printf(mon
, "invalid host network device %s\n", device
);
2076 if (net_client_init(device
, opts
? : "") < 0) {
2077 monitor_printf(mon
, "adding host network device %s failed\n", device
);
2081 void net_host_device_remove(Monitor
*mon
, int vlan_id
, const char *device
)
2084 VLANClientState
*vc
;
2086 vlan
= qemu_find_vlan(vlan_id
);
2088 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
2089 if (!strcmp(vc
->name
, device
)) {
2095 monitor_printf(mon
, "can't find device %s\n", device
);
2098 if (!net_host_check_device(vc
->model
)) {
2099 monitor_printf(mon
, "invalid host network device %s\n", device
);
2102 qemu_del_vlan_client(vc
);
2105 int net_client_parse(const char *str
)
2113 while (*p
!= '\0' && *p
!= ',') {
2114 if ((q
- device
) < sizeof(device
) - 1)
2122 return net_client_init(device
, p
);
2125 void do_info_network(Monitor
*mon
)
2128 VLANClientState
*vc
;
2130 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2131 monitor_printf(mon
, "VLAN %d devices:\n", vlan
->id
);
2132 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
2133 monitor_printf(mon
, " %s: %s\n", vc
->name
, vc
->info_str
);
2137 int do_set_link(Monitor
*mon
, const char *name
, const char *up_or_down
)
2140 VLANClientState
*vc
= NULL
;
2142 for (vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
)
2143 for (vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
2144 if (strcmp(vc
->name
, name
) == 0)
2149 monitor_printf(mon
, "could not find network device '%s'", name
);
2153 if (strcmp(up_or_down
, "up") == 0)
2155 else if (strcmp(up_or_down
, "down") == 0)
2158 monitor_printf(mon
, "invalid link status '%s'; only 'up' or 'down' "
2159 "valid\n", up_or_down
);
2161 if (vc
->link_status_changed
)
2162 vc
->link_status_changed(vc
);
2167 void net_cleanup(void)
2171 /* close network clients */
2172 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2173 VLANClientState
*vc
= vlan
->first_client
;
2176 VLANClientState
*next
= vc
->next
;
2178 qemu_del_vlan_client(vc
);
2185 void net_client_check(void)
2189 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
2190 if (vlan
->nb_guest_devs
== 0 && vlan
->nb_host_devs
== 0)
2192 if (vlan
->nb_guest_devs
== 0)
2193 fprintf(stderr
, "Warning: vlan %d with no nics\n", vlan
->id
);
2194 if (vlan
->nb_host_devs
== 0)
2196 "Warning: vlan %d is not connected to host network\n",