Phystatus: Phy(Gmii Or Tbi) Status; Rms: Receive (Rx) Packet Maximum Size - Realtek RTL8169 Manual

8:7 R
6 R
5 R
4:0 -

6.22 PHYStatus: PHY(GMII or TBI) Status

(Offset 006Ch, R)
Bit R/W
7 R
6 R
5 R
4 R
3 R
2 R
1 R
0 R
- MII registers polling cycle: 320ns * (32 MDC clock + 32 MDC clock) * 6 registers

6.23 RMS: Receive (Rx) Packet Maximum Size

(Offset 00DAh-00DBh, R)
Bit R/W
15:14 -
13:0 R/W
2002/03/27
PS2(ASM_DIR),
PS1(PAUSE)
HalfDup
FullDup
-
Symbol
EnTBI
TxFlow
RxFlow
1000MF
100M
10M
LinkSts
FullDup
Symbol
-
RMS
Asymmetric Pause: When this bit is set, the value of bit7 (Pause)
indicates the direction that PAUSE frames are supported by the link partner.
PS1 PS2
0 0
0 1
1 0
1 1
Half Duplex: When set, the link partner supports half duplex.
Full Duplex: When set, the link partner supports full duplex.
Reserved
TBI Enable: This bit is autoloaded from the EEPROM.
1: TBI mode, 0: GMII(MII) mode.
Transmit Flow Control: 1: Enabled, 0: Disabled.
Receive Flow Control: 1: Enabled, 0: Disabled.
Link speed is 1000Mbps and in full-duplex. (GMII mode only)
Link speed is 100Mbps. (GMII or MII mode only)
Link speed is 10Mbps. (GMII or MII mode only)
Link Status. 1: Link Ok, 0: No Link.
Full-Duplex Status: 1: Full-duplex mode, 0: Half-duplex mode.
Reserved
Rx packet Maximum Size:
i. This register should be always set to a value other than 0, in
order to receive packets.
ii. The maximum size supported is 2
30
Capability
No Pause.
Asymmetric PAUSE toward link
partner.
Symmetric PAUSE.
Both symmetric PAUSE and
asymmetric PAUSE toward local
device.
Description
Description
14
-1, i.e., 16K-1 bytes.
RTL8169
Rev.1.21