#define memalign(align, size) malloc(size)
#endif
-#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
-#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
-#ifdef __sun__
-#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
-#else
-#define SMBD_COMMAND "/usr/sbin/smbd"
-#endif
-
static VLANState *first_vlan;
/***********************************************************/
}
#endif
+void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6])
+{
+ snprintf(vc->info_str, sizeof(vc->info_str),
+ "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
+ vc->model,
+ macaddr[0], macaddr[1], macaddr[2],
+ macaddr[3], macaddr[4], macaddr[5]);
+}
+
+static char *assign_name(VLANClientState *vc1, const char *model)
+{
+ VLANState *vlan;
+ char buf[256];
+ int id = 0;
+
+ for (vlan = first_vlan; vlan; vlan = vlan->next) {
+ VLANClientState *vc;
+
+ for (vc = vlan->first_client; vc; vc = vc->next)
+ if (vc != vc1 && strcmp(vc->model, model) == 0)
+ id++;
+ }
+
+ snprintf(buf, sizeof(buf), "%s.%d", model, id);
+
+ return strdup(buf);
+}
+
VLANClientState *qemu_new_vlan_client(VLANState *vlan,
+ const char *model,
+ const char *name,
IOReadHandler *fd_read,
IOCanRWHandler *fd_can_read,
void *opaque)
{
VLANClientState *vc, **pvc;
vc = qemu_mallocz(sizeof(VLANClientState));
- if (!vc)
- return NULL;
+ vc->model = strdup(model);
+ if (name)
+ vc->name = strdup(name);
+ else
+ vc->name = assign_name(vc, model);
vc->fd_read = fd_read;
vc->fd_can_read = fd_can_read;
vc->opaque = opaque;
while (*pvc != NULL)
if (*pvc == vc) {
*pvc = vc->next;
+ free(vc->name);
+ free(vc->model);
free(vc);
break;
} else
pvc = &(*pvc)->next;
}
+VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque)
+{
+ VLANClientState **pvc = &vlan->first_client;
+
+ while (*pvc != NULL)
+ if ((*pvc)->opaque == opaque)
+ return *pvc;
+ else
+ pvc = &(*pvc)->next;
+
+ return NULL;
+}
+
int qemu_can_send_packet(VLANClientState *vc1)
{
VLANState *vlan = vc1->vlan;
VLANState *vlan = vc1->vlan;
VLANClientState *vc;
+ if (vc1->link_down)
+ return;
+
#ifdef DEBUG_NET
printf("vlan %d send:\n", vlan->id);
hex_dump(stdout, buf, size);
#endif
for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
- if (vc != vc1) {
+ if (vc != vc1 && !vc->link_down) {
vc->fd_read(vc->opaque, buf, size);
}
}
return offset;
}
+static ssize_t calc_iov_length(const struct iovec *iov, int iovcnt)
+{
+ size_t offset = 0;
+ int i;
+
+ for (i = 0; i < iovcnt; i++)
+ offset += iov[i].iov_len;
+ return offset;
+}
+
ssize_t qemu_sendv_packet(VLANClientState *vc1, const struct iovec *iov,
int iovcnt)
{
VLANClientState *vc;
ssize_t max_len = 0;
+ if (vc1->link_down)
+ return calc_iov_length(iov, iovcnt);
+
for (vc = vlan->first_client; vc != NULL; vc = vc->next) {
ssize_t len = 0;
if (vc == vc1)
continue;
+ if (vc->link_down)
+ len = calc_iov_length(iov, iovcnt);
if (vc->fd_readv)
len = vc->fd_readv(vc->opaque, iov, iovcnt);
else if (vc->fd_read)
/* slirp network adapter */
static int slirp_inited;
+static int slirp_restrict;
+static char *slirp_ip;
static VLANClientState *slirp_vc;
int slirp_can_output(void)
slirp_input(buf, size);
}
-static int net_slirp_init(VLANState *vlan)
+static int net_slirp_init(VLANState *vlan, const char *model, const char *name)
{
if (!slirp_inited) {
slirp_inited = 1;
- slirp_init();
+ slirp_init(slirp_restrict, slirp_ip);
}
- slirp_vc = qemu_new_vlan_client(vlan,
+ slirp_vc = qemu_new_vlan_client(vlan, model, name,
slirp_receive, NULL, NULL);
- snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
+ slirp_vc->info_str[0] = '\0';
return 0;
}
if (!slirp_inited) {
slirp_inited = 1;
- slirp_init();
+ slirp_init(slirp_restrict, slirp_ip);
}
p = redir_str;
if (!slirp_inited) {
slirp_inited = 1;
- slirp_init();
+ slirp_init(slirp_restrict, slirp_ip);
}
/* XXX: better tmp dir construction */
slirp_stats();
}
+struct VMChannel {
+ CharDriverState *hd;
+ int port;
+} *vmchannels;
+
+static int vmchannel_can_read(void *opaque)
+{
+ struct VMChannel *vmc = (struct VMChannel*)opaque;
+ return slirp_socket_can_recv(4, vmc->port);
+}
+
+static void vmchannel_read(void *opaque, const uint8_t *buf, int size)
+{
+ struct VMChannel *vmc = (struct VMChannel*)opaque;
+ slirp_socket_recv(4, vmc->port, buf, size);
+}
+
#endif /* CONFIG_SLIRP */
#if !defined(_WIN32)
VLANClientState *vc;
int fd;
char down_script[1024];
+ char down_script_arg[128];
} TAPState;
+#ifdef HAVE_IOVEC
+static ssize_t tap_receive_iov(void *opaque, const struct iovec *iov,
+ int iovcnt)
+{
+ TAPState *s = opaque;
+ ssize_t len;
+
+ do {
+ len = writev(s->fd, iov, iovcnt);
+ } while (len == -1 && (errno == EINTR || errno == EAGAIN));
+
+ return len;
+}
+#endif
+
static void tap_receive(void *opaque, const uint8_t *buf, int size)
{
TAPState *s = opaque;
/* fd support */
-static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
+static TAPState *net_tap_fd_init(VLANState *vlan,
+ const char *model,
+ const char *name,
+ int fd)
{
TAPState *s;
s = qemu_mallocz(sizeof(TAPState));
- if (!s)
- return NULL;
s->fd = fd;
- s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
+ s->vc = qemu_new_vlan_client(vlan, model, name, tap_receive, NULL, s);
+#ifdef HAVE_IOVEC
+ s->vc->fd_readv = tap_receive_iov;
+#endif
qemu_set_fd_handler(s->fd, tap_send, NULL, s);
- snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str), "fd=%d", fd);
return s;
}
return 0;
}
-static int net_tap_init(VLANState *vlan, const char *ifname1,
+static int net_tap_init(VLANState *vlan, const char *model,
+ const char *name, const char *ifname1,
const char *setup_script, const char *down_script)
{
TAPState *s;
if (launch_script(setup_script, ifname, fd))
return -1;
}
- s = net_tap_fd_init(vlan, fd);
+ s = net_tap_fd_init(vlan, model, name, fd);
if (!s)
return -1;
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
- "tap: ifname=%s setup_script=%s", ifname, setup_script);
- if (down_script && strcmp(down_script, "no"))
+ "ifname=%s,script=%s,downscript=%s",
+ ifname, setup_script, down_script);
+ if (down_script && strcmp(down_script, "no")) {
snprintf(s->down_script, sizeof(s->down_script), "%s", down_script);
+ snprintf(s->down_script_arg, sizeof(s->down_script_arg), "%s", ifname);
+ }
return 0;
}
}
}
-static int net_vde_init(VLANState *vlan, const char *sock, int port,
- const char *group, int mode)
+static int net_vde_init(VLANState *vlan, const char *model,
+ const char *name, const char *sock,
+ int port, const char *group, int mode)
{
VDEState *s;
char *init_group = strlen(group) ? (char *)group : NULL;
};
s = qemu_mallocz(sizeof(VDEState));
- if (!s)
- return -1;
s->vde = vde_open(init_sock, "QEMU", &args);
if (!s->vde){
free(s);
return -1;
}
- s->vc = qemu_new_vlan_client(vlan, vde_from_qemu, NULL, s);
+ s->vc = qemu_new_vlan_client(vlan, model, name, vde_from_qemu, NULL, s);
qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
- snprintf(s->vc->info_str, sizeof(s->vc->info_str), "vde: sock=%s fd=%d",
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str), "sock=%s,fd=%d",
sock, vde_datafd(s->vde));
return 0;
}
typedef struct NetSocketListenState {
VLANState *vlan;
+ char *model;
+ char *name;
int fd;
} NetSocketListenState;
return -1;
}
-static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
- int is_connected)
+static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan,
+ const char *model,
+ const char *name,
+ int fd, int is_connected)
{
struct sockaddr_in saddr;
int newfd;
}
s = qemu_mallocz(sizeof(NetSocketState));
- if (!s)
- return NULL;
s->fd = fd;
- s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
+ s->vc = qemu_new_vlan_client(vlan, model, name, net_socket_receive_dgram, NULL, s);
qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
/* mcast: save bound address as dst */
qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
}
-static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
- int is_connected)
+static NetSocketState *net_socket_fd_init_stream(VLANState *vlan,
+ const char *model,
+ const char *name,
+ int fd, int is_connected)
{
NetSocketState *s;
s = qemu_mallocz(sizeof(NetSocketState));
- if (!s)
- return NULL;
s->fd = fd;
- s->vc = qemu_new_vlan_client(vlan,
+ s->vc = qemu_new_vlan_client(vlan, model, name,
net_socket_receive, NULL, s);
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
"socket: fd=%d", fd);
return s;
}
-static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
- int is_connected)
+static NetSocketState *net_socket_fd_init(VLANState *vlan,
+ const char *model, const char *name,
+ int fd, int is_connected)
{
int so_type=-1, optlen=sizeof(so_type);
}
switch(so_type) {
case SOCK_DGRAM:
- return net_socket_fd_init_dgram(vlan, fd, is_connected);
+ return net_socket_fd_init_dgram(vlan, model, name, fd, is_connected);
case SOCK_STREAM:
- return net_socket_fd_init_stream(vlan, fd, is_connected);
+ return net_socket_fd_init_stream(vlan, model, name, fd, is_connected);
default:
/* who knows ... this could be a eg. a pty, do warn and continue as stream */
fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
- return net_socket_fd_init_stream(vlan, fd, is_connected);
+ return net_socket_fd_init_stream(vlan, model, name, fd, is_connected);
}
return NULL;
}
break;
}
}
- s1 = net_socket_fd_init(s->vlan, fd, 1);
+ s1 = net_socket_fd_init(s->vlan, s->model, s->name, fd, 1);
if (!s1) {
closesocket(fd);
} else {
}
}
-static int net_socket_listen_init(VLANState *vlan, const char *host_str)
+static int net_socket_listen_init(VLANState *vlan,
+ const char *model,
+ const char *name,
+ const char *host_str)
{
NetSocketListenState *s;
int fd, val, ret;
return -1;
s = qemu_mallocz(sizeof(NetSocketListenState));
- if (!s)
- return -1;
fd = socket(PF_INET, SOCK_STREAM, 0);
if (fd < 0) {
return -1;
}
s->vlan = vlan;
+ s->model = strdup(model);
+ s->name = strdup(name);
s->fd = fd;
qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
return 0;
}
-static int net_socket_connect_init(VLANState *vlan, const char *host_str)
+static int net_socket_connect_init(VLANState *vlan,
+ const char *model,
+ const char *name,
+ const char *host_str)
{
NetSocketState *s;
int fd, connected, ret, err;
break;
}
}
- s = net_socket_fd_init(vlan, fd, connected);
+ s = net_socket_fd_init(vlan, model, name, fd, connected);
if (!s)
return -1;
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
return 0;
}
-static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
+static int net_socket_mcast_init(VLANState *vlan,
+ const char *model,
+ const char *name,
+ const char *host_str)
{
NetSocketState *s;
int fd;
if (fd < 0)
return -1;
- s = net_socket_fd_init(vlan, fd, 0);
+ s = net_socket_fd_init(vlan, model, name, fd, 0);
if (!s)
return -1;
return vlan;
}
vlan = qemu_mallocz(sizeof(VLANState));
- if (!vlan)
- return NULL;
vlan->id = id;
vlan->next = NULL;
pvlan = &first_vlan;
return vlan;
}
+static int nic_get_free_idx(void)
+{
+ int index;
+
+ for (index = 0; index < MAX_NICS; index++)
+ if (!nd_table[index].used)
+ return index;
+ return -1;
+}
+
+void qemu_check_nic_model(NICInfo *nd, const char *model)
+{
+ const char *models[2];
+
+ models[0] = model;
+ models[1] = NULL;
+
+ qemu_check_nic_model_list(nd, models, model);
+}
+
+void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
+ const char *default_model)
+{
+ int i, exit_status = 0;
+
+ if (!nd->model)
+ nd->model = strdup(default_model);
+
+ if (strcmp(nd->model, "?") != 0) {
+ for (i = 0 ; models[i]; i++)
+ if (strcmp(nd->model, models[i]) == 0)
+ return;
+
+ fprintf(stderr, "qemu: Unsupported NIC model: %s\n", nd->model);
+ exit_status = 1;
+ }
+
+ fprintf(stderr, "qemu: Supported NIC models: ");
+ for (i = 0 ; models[i]; i++)
+ fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n');
+
+ exit(exit_status);
+}
+
int net_client_init(const char *device, const char *p)
{
char buf[1024];
int vlan_id, ret;
VLANState *vlan;
+ char *name = NULL;
vlan_id = 0;
if (get_param_value(buf, sizeof(buf), "vlan", p)) {
fprintf(stderr, "Could not create vlan %d\n", vlan_id);
return -1;
}
+ if (get_param_value(buf, sizeof(buf), "name", p)) {
+ name = strdup(buf);
+ }
if (!strcmp(device, "nic")) {
NICInfo *nd;
uint8_t *macaddr;
+ int idx = nic_get_free_idx();
- if (nb_nics >= MAX_NICS) {
+ if (idx == -1 || nb_nics >= MAX_NICS) {
fprintf(stderr, "Too Many NICs\n");
return -1;
}
- nd = &nd_table[nb_nics];
+ nd = &nd_table[idx];
macaddr = nd->macaddr;
macaddr[0] = 0x52;
macaddr[1] = 0x54;
macaddr[2] = 0x00;
macaddr[3] = 0x12;
macaddr[4] = 0x34;
- macaddr[5] = 0x56 + nb_nics;
+ macaddr[5] = 0x56 + idx;
if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
if (parse_macaddr(macaddr, buf) < 0) {
nd->model = strdup(buf);
}
nd->vlan = vlan;
+ nd->name = name;
+ nd->used = 1;
+ name = NULL;
nb_nics++;
vlan->nb_guest_devs++;
- ret = 0;
+ ret = idx;
} else
if (!strcmp(device, "none")) {
/* does nothing. It is needed to signal that no network cards
if (get_param_value(buf, sizeof(buf), "hostname", p)) {
pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
}
+ if (get_param_value(buf, sizeof(buf), "restrict", p)) {
+ slirp_restrict = (buf[0] == 'y') ? 1 : 0;
+ }
+ if (get_param_value(buf, sizeof(buf), "ip", p)) {
+ slirp_ip = strdup(buf);
+ }
vlan->nb_host_devs++;
- ret = net_slirp_init(vlan);
+ ret = net_slirp_init(vlan, device, name);
+ } else if (!strcmp(device, "channel")) {
+ long port;
+ char name[20], *devname;
+ struct VMChannel *vmc;
+
+ port = strtol(p, &devname, 10);
+ devname++;
+ if (port < 1 || port > 65535) {
+ fprintf(stderr, "vmchannel wrong port number\n");
+ return -1;
+ }
+ vmc = malloc(sizeof(struct VMChannel));
+ snprintf(name, 20, "vmchannel%ld", port);
+ vmc->hd = qemu_chr_open(name, devname, NULL);
+ if (!vmc->hd) {
+ fprintf(stderr, "qemu: could not open vmchannel device"
+ "'%s'\n", devname);
+ return -1;
+ }
+ vmc->port = port;
+ slirp_add_exec(3, vmc->hd, 4, port);
+ qemu_chr_add_handlers(vmc->hd, vmchannel_can_read, vmchannel_read,
+ NULL, vmc);
+ ret = 0;
} else
#endif
#ifdef _WIN32
return -1;
}
vlan->nb_host_devs++;
- ret = tap_win32_init(vlan, ifname);
+ ret = tap_win32_init(vlan, device, name, ifname);
} else
#elif defined (_AIX)
#else
fd = strtol(buf, NULL, 0);
fcntl(fd, F_SETFL, O_NONBLOCK);
ret = -1;
- if (net_tap_fd_init(vlan, fd))
+ if (net_tap_fd_init(vlan, device, name, fd))
ret = 0;
} else {
if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) {
pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
}
- ret = net_tap_init(vlan, ifname, setup_script, down_script);
+ ret = net_tap_init(vlan, device, name, ifname, setup_script, down_script);
}
} else
#endif
int fd;
fd = strtol(buf, NULL, 0);
ret = -1;
- if (net_socket_fd_init(vlan, fd, 1))
+ if (net_socket_fd_init(vlan, device, name, fd, 1))
ret = 0;
} else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
- ret = net_socket_listen_init(vlan, buf);
+ ret = net_socket_listen_init(vlan, device, name, buf);
} else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
- ret = net_socket_connect_init(vlan, buf);
+ ret = net_socket_connect_init(vlan, device, name, buf);
} else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
- ret = net_socket_mcast_init(vlan, buf);
+ ret = net_socket_mcast_init(vlan, device, name, buf);
} else {
fprintf(stderr, "Unknown socket options: %s\n", p);
return -1;
} else {
vde_mode = 0700;
}
- ret = net_vde_init(vlan, vde_sock, vde_port, vde_group, vde_mode);
+ ret = net_vde_init(vlan, device, name, vde_sock, vde_port, vde_group, vde_mode);
} else
#endif
{
fprintf(stderr, "Unknown network device: %s\n", device);
+ if (name)
+ free(name);
return -1;
}
if (ret < 0) {
fprintf(stderr, "Could not initialize device '%s'\n", device);
}
-
+ if (name)
+ free(name);
return ret;
}
+void net_client_uninit(NICInfo *nd)
+{
+ nd->vlan->nb_guest_devs--;
+ nb_nics--;
+ nd->used = 0;
+ free((void *)nd->model);
+}
+
+static int net_host_check_device(const char *device)
+{
+ int i;
+ const char *valid_param_list[] = { "tap", "socket"
+#ifdef CONFIG_SLIRP
+ ,"user"
+#endif
+#ifdef CONFIG_VDE
+ ,"vde"
+#endif
+ };
+ for (i = 0; i < sizeof(valid_param_list) / sizeof(char *); i++) {
+ if (!strncmp(valid_param_list[i], device,
+ strlen(valid_param_list[i])))
+ return 1;
+ }
+
+ return 0;
+}
+
+void net_host_device_add(const char *device, const char *opts)
+{
+ if (!net_host_check_device(device)) {
+ term_printf("invalid host network device %s\n", device);
+ return;
+ }
+ net_client_init(device, opts);
+}
+
+void net_host_device_remove(int vlan_id, const char *device)
+{
+ VLANState *vlan;
+ VLANClientState *vc;
+
+ if (!net_host_check_device(device)) {
+ term_printf("invalid host network device %s\n", device);
+ return;
+ }
+
+ vlan = qemu_find_vlan(vlan_id);
+ if (!vlan) {
+ term_printf("can't find vlan %d\n", vlan_id);
+ return;
+ }
+
+ for(vc = vlan->first_client; vc != NULL; vc = vc->next)
+ if (!strcmp(vc->name, device))
+ break;
+
+ if (!vc) {
+ term_printf("can't find device %s\n", device);
+ return;
+ }
+ qemu_del_vlan_client(vc);
+}
+
int net_client_parse(const char *str)
{
const char *p;
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
term_printf("VLAN %d devices:\n", vlan->id);
for(vc = vlan->first_client; vc != NULL; vc = vc->next)
- term_printf(" %s\n", vc->info_str);
+ term_printf(" %s: %s\n", vc->name, vc->info_str);
}
}
+int do_set_link(const char *name, const char *up_or_down)
+{
+ VLANState *vlan;
+ VLANClientState *vc = NULL;
+
+ for (vlan = first_vlan; vlan != NULL; vlan = vlan->next)
+ for (vc = vlan->first_client; vc != NULL; vc = vc->next)
+ if (strcmp(vc->name, name) == 0)
+ goto done;
+done:
+
+ if (!vc) {
+ term_printf("could not find network device '%s'", name);
+ return 0;
+ }
+
+ if (strcmp(up_or_down, "up") == 0)
+ vc->link_down = 0;
+ else if (strcmp(up_or_down, "down") == 0)
+ vc->link_down = 1;
+ else
+ term_printf("invalid link status '%s'; only 'up' or 'down' valid\n",
+ up_or_down);
+
+ if (vc->link_status_changed)
+ vc->link_status_changed(vc);
+
+ return 1;
+}
+
void net_cleanup(void)
{
VLANState *vlan;
for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
if (vc->fd_read == tap_receive) {
- char ifname[64];
TAPState *s = vc->opaque;
- if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 &&
- s->down_script[0])
- launch_script(s->down_script, ifname, s->fd);
+ if (s->down_script[0])
+ launch_script(s->down_script, s->down_script_arg, s->fd);
}
#if defined(CONFIG_VDE)
if (vc->fd_read == vde_from_qemu) {
projects / qemu.git / blobdiff