e1000e: Implement system clock

The system clock is necessary to implement PTP features. While we are
not implementing PTP features for e1000e yet, we do have a plan to
implement them for igb, a new network device derived from e1000e,
so add system clock to the common base first.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/hw/net/e1000e_core.h b/hw/net/e1000e_core.h
index d0a14b4523..213a70530d 100644
--- a/hw/net/e1000e_core.h
+++ b/hw/net/e1000e_core.h
@@ -112,6 +112,8 @@ struct E1000Core {
     void (*owner_start_recv)(PCIDevice *d);
 
     uint32_t msi_causes_pending;
+
+    int64_t timadj;
 };
 
 void