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net: add macaddr type.

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Add new type for mac addresses.

Add function which sets the qemu default mac address if it finds the mac
address uninitialized (i.e. all zeros).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-10-21 15:25:22 +02:00 • committed by Anthony Liguori
parent 18995b9808
commit 76d32cba7e
3 changed files with 21 additions and 0 deletions
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15
net.c
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@ -280,6 +280,21 @@ void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6])
macaddr[3], macaddr[4], macaddr[5]);
}
void qemu_macaddr_default_if_unset(MACAddr *macaddr)
{
static int index = 0;
static const MACAddr zero = { .a = { 0,0,0,0,0,0 } };
if (memcmp(macaddr, &zero, sizeof(zero)) != 0)
return;
macaddr->a[0] = 0x52;
macaddr->a[1] = 0x54;
macaddr->a[2] = 0x00;
macaddr->a[3] = 0x12;
macaddr->a[4] = 0x34;
macaddr->a[5] = 0x56 + index++;
}
static char *assign_name(VLANClientState *vc1, const char *model)
{
VLANState *vlan;