Data Sheet

Ethernet Controller I210 —Power Management
184
Figure 5-7. PCIe LTR Message Generation Flow
Reset
Port disabled or
disconnected?
Send LTR = Min
Yes No No
Max value
different than last
submitted LTR
value?
No
Min value
different than last
submitted LTR
Value or Min LTR bit
set?
Yes
EEE RX LPI or Send
Max LTR bit set?
Yes
Send LTR = Max
Yes
Valid bits cleared in
previous LTR message?
Yes
No
Yes
No
A
A
LTR Enabled ?No
Send LTR message
with Valid bits cleared