MEDIATEK Ralink MT7620 - Page 258

PGMT7620_V.1.0_040503
Page 258 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
15:8
RW
QRY_INTL
Query Interval
Together with the Robustness Variable, the
Query Interval sets the age-out time for router
ports automatically learned from IGMP Query
frames.
Age-out time = (QRY_INTL * ROBUST_VAR)
(unit: sec)
0x7D
7:0
RW
DEF_RP
Default Router Port
Sets the default router port which will not be
aged out when IGMP/MLD router port learning
is enabled.
0x7F
295. IMC: IGMP/MLD Message Control Register (offset: 0x001C)
Bits
Type
Name
Description
Initial Value
31
RW
MLD_RPT_MIR
MLD Report/Done Message to Mirror Port
1’b0: Disable
1’b1: Frame copied to Mirror port
0x0
30:28
RW
MLD_RPT_FW
MLD Report/Done Message TO_CPU
Forwarding
3’b0xx: System default (disable)
3’b100: System default and CPU port excluded
3’b101: System default and CPU port included
3’b110: CPU port only (As long as the ingress
port is not the CPU port. If the ingress port
is the CPU port, then the system default
and CPU port are excluded.)
3’b111: Frame dropped
0x0
27
RW
MLD_MANG_FR
MLD Message as Management Frame
1’b0: Disable
1’b1: Regarded as management frame
0x1
26
RW
MLD_PAE_FR
MLD Message as PAE Frame
1’b0: Disable
1’b1: Regarded as PAE frame
0x0
25
RW
MLD_BPDU_FR
MLD Message as BPDU Frame
1’b0: Non-BPDU Frame
1’b1: Regarded as BPDU frame
0x0
24:22
RW
MLD_EG_TAG
MLD Message Egress VLAN Tag Attribution
3’b000: System default (disable)
3’b001: Consistent
3’b010, 3’b011: Reserved
3’b100: Untagged
3’b101: Swap
3’b110: Tagged
3’b111: Stack
0x0