RTL8169
2002/03/27
Rev.1.21
29
6.20 TBI_ANAR: TBI Auto-Negotiation Advertisement
(Offset 0068h-0069h, R/W)
Bit
R/W
Symbol
Description
15:14 -
-
Reserved. Always 0.
Remote Fault Bits:
These 2 bits indicate that a fault or error condition
has occurred. The default value is 00.
RF1 RF2
Description
0
0
No error, link Ok (default)
0 1
Offline
1 0
Link_Failure
1 1
Auto-Negotiation
Error
13:12 R/W
RF2,
RF1
11:9 -
-
Reserved. Always 0.
Asymmetric Pause:
When this bit is set, the value of bit7 (Pause)
indicates the direction PAUSE frames are supported.
PS1 PS2
Capability
0 0
No
Pause.
0
1
Asymmetric PAUSE toward link
partner.
1 0
Symmetric
PAUSE.
1
1
Both symmetric PAUSE and
asymmetric PAUSE toward local
device.
8:7 R/W PS2(ASM_DIR),
PS1(PAUSE)
6 -
-
Reserved.
5 R
FullDup
Full Duplex:
This bit is always set. Full duplex capability is
advertised toward the link partner in NWay mode.
4:0 -
-
Reserved
6.21 TBI_LPAR: TBI Auto-Negotiation Link Partner Ability
(Offset 006Ah-006Bh, R)
Bit
R/W
Symbol
Description
15 R
NextPage
Next Page Exchange Required:
When set, this bit indicates that the
link partner has a next page to transmit.
14 R
Ack
Acknowledge:
When set, this bit indicates that the link partner has
successfully received at least 3 consecutive and matching pages
(ignoring the Ack bit in the received pages).
Remote Fault bits:
These 2 bits indicate that a fault or error condition
has occurred. The default value is 00.
RF1 RF2
Description
0
0
No error, link Ok (default)
0 1
Offline
1 0
Link_Failure
1 1
Auto-Negotiation
Error
13:12 R
RF2,
RF1
11:9 -
-
Reserved
cont...