MEDIATEK Ralink MT7620 - Page 255

PGMT7620_V.1.0_040503
Page 255 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
7
RW
LOCAL_EN
Local Port Forwarding Enable
1'b0: Drop frames at the local port.
1'b1: Allow frame forwarding to the local port.
0x0
6
RW
ARL_PADDING
ARL Data Padding
Sets ARL to add byte padding up to 46 bytes
when the length of the data field of the
incoming frame is less than 46 bytes.
1'b0: Disable (default)
1'b1: Enable
0x0
5
RW
ACL_MULTI
Enable Multiple ACL Hit
1'b0: Only the first hit ACL entry
1'b1: Allow multiple ACL hit entries on Rate,
Interrupt, and MIB.
0x0
4
RW
L2LEN_CHK
Layer 2 Frame Length Check
Enables a length check on length-encapsulated
frame. Drops length error frames when the
value of the ELEN field of this frame is bigger
than the length of the data field.
1'b0: Disable
1'b1: Enable
0x1
3
RW
CTRL_DROP
MAC Control Frame Drop
Drops MAC control frames with ETYPE=0x8808.
1'b0: Disable (default)
1'b1: Enable
0x1
2
RW
VLAN4CPU
TO_CPU VLAN Member
Sets the TO_CPU frame to check VLAN
members.
1'b0: Ignore VLAN members.
1'b1: Check VLAN members.
0x0
1
RW
ARL_PRI
ARL Resolution Priority
1'b0: P0 is the lowest priority.
1'b1: P0 is the highest priority.
0x0
0
RW
ARL_RST_N
ARL Enable (Soft Reset)
1'b0: Reset the ARL engine.
1'b1: Enable ARL engine.
0x1
292. MFC: MAC Forward Control Register (offset: 0x0010)
Bits
Type
Name
Description
Initial Value
31:24
RW
BC_FFP
Broadcast Frame Flooding Ports
If MAC receives broadcast frames, this field
indicates the flooding ports.
NOTE:
1. The flooding port excludes the received port
on the switch.
2. Frame dropped though BC_FFP=6’b0.
0x7F