DM9016
3-port switch with Processor Interface
6.53 Per Port Block Unknown ports Control Register (6BH)
Bit
7:4
3:0
Name
RESERVED PH0,RW Reserved
BLK_UKP PH0,RW Ports of unknown packet be blocked
Default
Description
6.54 Per Port Security & STP Register (6CH)
Bit
7:6
5:4
Name
RESERVED
STPS
Default
0,RO
Description
Reserved
PH0,RW Spanning Tree Port State
There are 4 port state for supporting Spanning Tree Protocol
00: Forwarding State, The port transmits and receives packets normally &
learning is enabled.
01: Disabled State, The port will not transmit and receive any packets & learning
is disabled.
10: Learning State, The port will only forward the packets that are to and from
uP port (span packets) & leaning is enabled.
11: Blocking/Listening State, The port will only forward the packets that are to
and from uP port (span packets) & leaning is disabled.
Reserved
3
2
RESERVED
PS_UNK
0,RO
PH0,RW Unknown source address handling when port security is enabled
0: Discard unknown source address (Default)
1: Forward unknown source address to uP Port
PH0,RW Port Security Enable
00: Port Security Disable (Default)
01: First Lock
1:0
PS_EN
10: First Link Lock
11: Assign Lock
6.55 Per Port Priority Queue Control Register (6DH)
Bit
7
6
Name
TAG_OUT
PRI_DIS
WFQUE
Default
Description
PHE0,RW Output Packet Tagging Enable
PHE0,RW Priority Queue Disable
PHE0,RW 8:4:2:1
5
0: queue 3 > 2 > 1 > 0, means queue 3 always high priority
1: 8:4:2:1, means queue 3 has weighting 8, queue 2 has weighting 4,
etc
4
3
2
TOS_PRI
TOS_OFF
PRI_OFF
P_PRI
PHE0,RW Priority ToS over VLAN
PHE0,RW ToS Priority Classification Disable
PHE0,RW 802.1 p Priority Classification Disable
PHE0,RW Port Base priority
00= queue 0
1:0
01=queue 1
10=queue 2
11=queue 3
Preliminarydatasheet
DM9016-13-DS-P01
March 26, 2009
35
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
