CHAPTER 21:Ethernet MAC
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S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
4.26.
Stacked VLAN Register (ETHERNETn_stacked_vlan)
Description of Stacked VLAN register is shown.
REGISTER_NAME
ETHERNETn_stacked_vlan
OFFSET
0x0C0
ACCESS_SIZE
W
MULTIPLE
NUMERIC_TYPE
OTHER
BIT_OFFSET
31
30
29
28
27
26
25
24
BIT_NAME
enable_processing
Reserved
ACCESS_TYPE
R/W
R0,WX
PROT_TYPE
Wp
INITIAL_VALUE
0
0x00
BIT_OFFSET
23
22
21
20
19
18
17
16
BIT_NAME
Reserved
ACCESS_TYPE
R0,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
15
14
13
12
11
10
9
8
BIT_NAME
match[15:8]
ACCESS_TYPE
R/W
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
7
6
5
4
3
2
1
0
BIT_NAME
match[7:0]
ACCESS_TYPE
R/W
PROT_TYPE
Wp
INITIAL_VALUE
0x00
[bit31] enable_processing: Enable processing
Enable stacked VLAN processing mode
[bit30:16] Reserved
Always read "0". Writing has no effect.
[bit15:0] match: User defined VLAN_TYPE field
When Stacked VLAN is enabled, the first VLAN tag in a received frame will only be accepted if the
VLAN type field is equal to this user defined VLAN_TYPE OR equal to the standard VLAN type
(0x8100). Note that the second VLAN tag of a Stacked VLAN packet will only be matched correctly if its
VLAN_TYPE field equals 0x8100.
Содержание S6J3200 Series
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