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 <address@hidden>
---
net.c | 15 +++++++++++++++
net.h | 2 ++
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/net.c b/net.c
index 2e4dd58..4dc910b 100644
--- a/net.c
+++ b/net.c
@@ -281,6 +281,21 @@ 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_t macaddr)
+{
+ static int index = 0;
+ static const macaddr_t zero = { 0,0,0,0,0,0 };
+
+ if (memcmp(macaddr, zero, sizeof(zero)) != 0)
+ return;
+ macaddr[0] = 0x52;
+ macaddr[1] = 0x54;
+ macaddr[2] = 0x00;
+ macaddr[3] = 0x12;
+ macaddr[4] = 0x34;
+ macaddr[5] = 0x56 + index++;
+}
+
static char *assign_name(VLANClientState *vc1, const char *model)
{
VLANState *vlan;
diff --git a/net.h b/net.h
index 2b0ed9b..7aefc51 100644
--- a/net.h
+++ b/net.h
@@ -8,6 +8,7 @@
/* VLANs support */
+typedef uint8_t macaddr_t[6];
typedef struct VLANClientState VLANClientState;
typedef int (NetCanReceive)(VLANClientState *);
@@ -76,6 +77,7 @@ ssize_t qemu_send_packet_async(VLANClientState *vc, const
uint8_t *buf,
void qemu_purge_queued_packets(VLANClientState *vc);
void qemu_flush_queued_packets(VLANClientState *vc);
void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
+void qemu_macaddr_default_if_unset(macaddr_t macaddr);