{
VLANClientState *vc, **pvc;
vc = qemu_mallocz(sizeof(VLANClientState));
- if (!vc)
- return NULL;
vc->model = strdup(model);
if (name)
vc->name = strdup(name);
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)
{
if (!slirp_inited) {
slirp_inited = 1;
- slirp_init(0, NULL);
+ slirp_init(slirp_restrict, slirp_ip);
}
slirp_vc = qemu_new_vlan_client(vlan, model, name,
slirp_receive, NULL, NULL);
if (!slirp_inited) {
slirp_inited = 1;
- slirp_init(0, NULL);
+ slirp_init(slirp_restrict, slirp_ip);
}
p = redir_str;
if (!slirp_inited) {
slirp_inited = 1;
- slirp_init(0, NULL);
+ slirp_init(slirp_restrict, slirp_ip);
}
/* XXX: better tmp dir construction */
VLANClientState *vc;
int fd;
char down_script[1024];
+ char down_script_arg[128];
} TAPState;
#ifdef HAVE_IOVEC
TAPState *s;
s = qemu_mallocz(sizeof(TAPState));
- if (!s)
- return NULL;
s->fd = fd;
s->vc = qemu_new_vlan_client(vlan, model, name, tap_receive, NULL, s);
#ifdef HAVE_IOVEC
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
"ifname=%s,script=%s,downscript=%s",
ifname, setup_script, down_script);
- if (down_script && strcmp(down_script, "no"))
+ 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;
}
};
s = qemu_mallocz(sizeof(VDEState));
- if (!s)
- return -1;
s->vde = vde_open(init_sock, "QEMU", &args);
if (!s->vde){
free(s);
}
s = qemu_mallocz(sizeof(NetSocketState));
- if (!s)
- return NULL;
s->fd = fd;
s->vc = qemu_new_vlan_client(vlan, model, name, net_socket_receive_dgram, NULL, s);
{
NetSocketState *s;
s = qemu_mallocz(sizeof(NetSocketState));
- if (!s)
- return NULL;
s->fd = fd;
s->vc = qemu_new_vlan_client(vlan, model, name,
net_socket_receive, NULL, s);
return -1;
s = qemu_mallocz(sizeof(NetSocketListenState));
- if (!s)
- return -1;
fd = socket(PF_INET, SOCK_STREAM, 0);
if (fd < 0) {
return vlan;
}
vlan = qemu_mallocz(sizeof(VLANState));
- if (!vlan)
- return NULL;
vlan->id = id;
vlan->next = NULL;
pvlan = &first_vlan;
return vlan;
}
+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];
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, device, name);
} else
}
}
+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 (strcmp(vc->model, "tap") == 0 &&
- sscanf(vc->info_str, "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) {