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-rw-r--r--hw/net/igb_regs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/net/igb_regs.h b/hw/net/igb_regs.h
index 894705599d..82ff195dfc 100644
--- a/hw/net/igb_regs.h
+++ b/hw/net/igb_regs.h
@@ -322,6 +322,9 @@ union e1000_adv_rx_desc {
/* E1000_EITR_CNT_IGNR is only for 82576 and newer */
#define E1000_EITR_CNT_IGNR 0x80000000 /* Don't reset counters on write */
+#define E1000_TSYNCTXCTL_VALID 0x00000001 /* tx timestamp valid */
+#define E1000_TSYNCTXCTL_ENABLED 0x00000010 /* enable tx timestampping */
+
/* PCI Express Control */
#define E1000_GCR_CMPL_TMOUT_MASK 0x0000F000
#define E1000_GCR_CMPL_TMOUT_10ms 0x00001000