MEDIATEK Ralink MT7620 - Page 285

PGMT7620_V.1.0_040503
Page 285 of 523
MT7620 PROGRAMMING GUIDE
Integrated 802.11n MAC/BBP and 2.4 GHz RF/FEM Router-on-a-Chip
Bits
Type
Name
Description
Initial Value
30:26
-
-
Reserved
0x0
25:16
RW
RED_HTH
RED High Threshold
The highest threshold for Random Early
Detection.
Sets a high threshold number of packets in a
queue. When the threshold is exceeded,
packets entering the queue are dropped.
0x0
15:10
-
-
Reserved
0x0
9:0
RW
RED_LTH
RED Low Threshold
The lowest threshold for Random Early
Detection.
Sets a low threshold number of packets in a
queue, below which no packets are dropped. If
the number of packets is higher than the low
threshold, there is an increasing probability that
packets will be dropped.
0x0
328. AAC: Address Age Control Register (offset: 0x00A0)
Bits
Type
Name
Description
Initial Value
31:21
-
-
Reserved
0x0
20
RW
AGE_DIS
Address Table Aging Disable
Disable or pause MAC address aging.
0x0
19:12
RW
AGE_CNT
Address Table Age Count
This age count is recorded in the age timer field
of the MAC address table when a new source
address is received and the table entry is ready
to refresh the timer. The applied age timer is
equal to (AGE_CNT+1) *(AGE_UNIT+1) seconds.
0x95
11:0
RW
AGE_UNIT
Address Table Age Unit
The applied aging unit is equal to (AGE_UNIT+1)
seconds.
0x1
329. DHCP: DHCPv4 and DHCPv6 Control Register (offset: 0x00A4)
Bits
Type
Name
Description
Initial Value
31:28
-
-
Reserved
0x0
27
RW
DHCP6_MANG_FR
DHCPv6 Discover as Management Frame
DHCP server treats DHCPv6 Discover packets as
management frames.
1’b0: Disable
1’b1: Regarded as management frame
0x1
26
RW
DHCP6_PAE_FR
DHCP6v Discover as PAE (Port Access Entity)
Frame
DHCP server treats DHCPv6 Discover packets as
PAE frames.
1’b0: Disable
1’b1: Regarded as PAE frame
0x0