net: add -net nic,netdev= option

Patchworks-ID: 35515
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
stable-0.12
Mark McLoughlin 2009-10-08 19:58:29 +01:00 committed by Anthony Liguori
parent 577c4af937
commit 5869c4d515
2 changed files with 37 additions and 5 deletions

41
net.c
View File

@ -2340,6 +2340,19 @@ VLANState *qemu_find_vlan(int id, int allocate)
return vlan;
}
static VLANClientState *qemu_find_netdev(const char *id)
{
VLANClientState *vc;
QTAILQ_FOREACH(vc, &non_vlan_clients, next) {
if (!strcmp(vc->name, id)) {
return vc;
}
}
return NULL;
}
static int nic_get_free_idx(void)
{
int index;
@ -2417,6 +2430,7 @@ static int net_init_nic(QemuOpts *opts,
{
int idx;
NICInfo *nd;
const char *netdev;
idx = nic_get_free_idx();
if (idx == -1 || nb_nics >= MAX_NICS) {
@ -2428,9 +2442,16 @@ static int net_init_nic(QemuOpts *opts,
memset(nd, 0, sizeof(*nd));
assert(vlan);
nd->vlan = vlan;
if ((netdev = qemu_opt_get(opts, "netdev"))) {
nd->netdev = qemu_find_netdev(netdev);
if (!nd->netdev) {
qemu_error("netdev '%s' not found\n", netdev);
return -1;
}
} else {
assert(vlan);
nd->vlan = vlan;
}
if (name) {
nd->name = qemu_strdup(name);
}
@ -2462,7 +2483,9 @@ static int net_init_nic(QemuOpts *opts,
}
nd->used = 1;
nd->vlan->nb_guest_devs++;
if (vlan) {
nd->vlan->nb_guest_devs++;
}
nb_nics++;
return idx;
@ -2820,6 +2843,11 @@ static struct {
.init = net_init_nic,
.desc = {
NET_COMMON_PARAMS_DESC,
{
.name = "netdev",
.type = QEMU_OPT_STRING,
.help = "id of -netdev to connect to",
},
{
.name = "macaddr",
.type = QEMU_OPT_STRING,
@ -3069,7 +3097,10 @@ int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev)
return -1;
}
if (!is_netdev) {
/* Do not add to a vlan if it's a -netdev or a nic with a
* netdev= parameter. */
if (!(is_netdev ||
(strcmp(type, "nic") == 0 && qemu_opt_get(opts, "netdev")))) {
vlan = qemu_find_vlan(qemu_opt_get_number(opts, "vlan", 0), 1);
}

1
net.h
View File

@ -99,6 +99,7 @@ struct NICInfo {
char *name;
char *devaddr;
VLANState *vlan;
VLANClientState *netdev;
VLANClientState *vc;
void *private;
int used;