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[Qemu-devel] [RfC PATCH 1/3] net: macaddr tweaks.
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [RfC PATCH 1/3] net: macaddr tweaks. |
Date: |
Fri, 25 Sep 2009 21:43:01 +0200 |
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).
---
net.c | 14 ++++++++++++++
net.h | 2 ++
2 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/net.c b/net.c
index 3fdf1e6..c6eb93c 100644
--- a/net.c
+++ b/net.c
@@ -280,6 +280,20 @@ 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)
+{
+ 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;
+}
+
static char *assign_name(VLANClientState *vc1, const char *model)
{
VLANState *vlan;
diff --git a/net.h b/net.h
index 1479826..50630a1 100644
--- a/net.h
+++ b/net.h
@@ -7,6 +7,7 @@
/* VLANs support */
+typedef uint8_t macaddr_t[6];
typedef struct VLANClientState VLANClientState;
typedef int (NetCanReceive)(VLANClientState *);
@@ -75,6 +76,7 @@ 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);
void qemu_check_nic_model(NICInfo *nd, const char *model);
void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
const char *default_model);
--
1.6.2.5