Report the DSN extended PCI capability at 0x100.
DSN value is a transformation of device MAC address, as calculated
by VMware virtual hardware.
Signed-off-by: Shmulik Ladkani <shmulik.ladk...@ravellosystems.com>
---
hw/net/vmxnet3.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index 1525b7c..f31d62e 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -39,6 +39,7 @@
#define VMXNET3_EXP_EP_OFFSET (0x48)
#define VMXNET3_MSI_OFFSET (0x84)
#define VMXNET3_MSIX_OFFSET (0x9c)
+#define VMXNET3_DSN_OFFSET (0x100)
#define VMXNET3_BAR0_IDX (0)
#define VMXNET3_BAR1_IDX (1)
@@ -2201,6 +2202,22 @@ static const MemoryRegionOps b1_ops = {
},
};
+static uint8_t *vmxnet3_device_serial_num(VMXNET3State *s)
+{
+ static uint64_t dsn_payload;
+ uint8_t *dsnp = (uint8_t *)&dsn_payload;
+
+ dsnp[0] = 0xfe;
+ dsnp[1] = s->conf.macaddr.a[3];
+ dsnp[2] = s->conf.macaddr.a[4];
+ dsnp[3] = s->conf.macaddr.a[5];
+ dsnp[4] = s->conf.macaddr.a[0];
+ dsnp[5] = s->conf.macaddr.a[1];
+ dsnp[6] = s->conf.macaddr.a[2];
+ dsnp[7] = 0xff;
+ return dsnp;
+}
+
static void vmxnet3_pci_realize(PCIDevice *pci_dev, Error **errp)
{
DeviceState *dev = DEVICE(pci_dev);
@@ -2242,6 +2259,11 @@ static void vmxnet3_pci_realize(PCIDevice *pci_dev,
Error **errp)
vmxnet3_net_init(s);
+ pcie_add_capability(pci_dev, PCI_EXT_CAP_ID_DSN, 0x1,
+ VMXNET3_DSN_OFFSET, PCI_EXT_CAP_DSN_SIZEOF);
+ memcpy(pci_dev->config + VMXNET3_DSN_OFFSET + 4,
+ vmxnet3_device_serial_num(s), sizeof(uint64_t));
+
register_savevm(dev, "vmxnet3-msix", -1, 1,
vmxnet3_msix_save, vmxnet3_msix_load, s);
}
--
1.9.1
