Ecrc on the tx path, Ecrc on the tx path -3 – Altera Arria 10 Avalon-ST User Manual
Page 198
Table 15-1: ECRC Operation on RX Path
ECRC Forwarding
ECRC Check Enable
(5)
ECRC Status
Error
TLP Forward to Application Layer
No
No
none
No
Forwarded
good
No
Forwarded without its ECRC
bad
No
Forwarded without its ECRC
Yes
none
No
Forwarded
good
No
Forwarded without its ECRC
bad
Yes
Not forwarded
Yes
No
none
No
Forwarded
good
No
Forwarded with its ECRC
bad
No
Forwarded with its ECRC
Yes
none
No
Forwarded
good
No
Forwarded with its ECRC
bad
Yes
Not forwarded
ECRC on the TX Path
When the ECRC generation option is on, the TX path generates ECRC. If you turn on ECRC
forwarding, the ECRC value is forwarded with the TLP. The following table summarizes the TX ECRC
generation and forwarding. All unspecified cases are unsupported and the behavior of the Hard IP is
unknown.In this table, if
TD
is 1, the TLP includes an ECRC.
TD
is the TL digest bit of the TL packet.
(5)
The
ECRC Check Enable
field is in the
Configuration Space Advanced Error Capabilities and
Control Register
.
UG-01145_avst
2015.05.04
ECRC on the TX Path
15-3
Optional Features
Altera Corporation