L-ET4148-50C-DB LSI, L-ET4148-50C-DB Datasheet - Page 77

• Manufacturer Part Number: L-ET4148-50C-DB
• Manufacturer: LSI

Specifications of L-ET4148-50C-DB

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Preliminary Data Sheet
April 2006
Agere Systems Inc.
Appendix A: Registers
Acl_Ip_Key_Table_1
Description: This table performs the second stage of IP address look-up.
Table 56. Acl_Ip_Key_Table_1 Register Parameters
Table 57. Acl_Ip_Key_Table_1 Field Parameters
This second stage of IP address look-up utilizes two records for IPv4/IPv6 or four records for IPv4-only.
12
Base Address
Register Size
Register Instances
Register Spacing
Record Size
Record Instances
Record Spacing
ipv4_key_{}{0..2}[31:0]
ipv6_key[127:0]
0
4
8
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
0
1
Parameter
2
Field Name
3
4
5
6
7
8
Figure 46. Acl_Ip_Key_Table_1 Register Diagram
Single-Chip 48 x 1 Gbit/s + 2 x 10 Gbits/s Layer 2+ Ethernet Switch
(continued)
9
0x0004_2480
10
Value
11
NA
Agere Systems - Proprietary
ipv4_key_0[31:0] or ipv6_key[127:96]
16
16
64
ipv4_key_1[31:0] or ipv6_key[95:64]
ipv4_key_2[31:0] or ipv6_key[63:32]
Spacing = 4.0
Instances = 3
Instances = 1
1
4
Mode = R/W
Mode = R/W
Parameters
Offset = 0.0
Offset = 0.0
12
13
14
ipv6_key[31:0]
15
16
17
A set of 32-bit IPv4 address values. These values
are compared against the search argument. The
results of these comparisons are used to select one
of four index values for use in the next stage of the
look-up.
A 128-bit IPv6 address value. This value is com-
pared against the search argument. The result of
this comparison is used to select one of two index
values for use in the next stage of the look-up.
18
19
20
21
22
23
8
Description
24
7
25
6
26
5
27
4
28
3
29
2
ET4148-50
30
1
31
0
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