AR8327-AL1A-R datasheet(30/394 Pages) ETC2

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30 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch

Atheros Communications, Inc.

30 • June 2011

COMPANY CONFIDENTIAL

2.7.4

IPv4 Pattern

The action will be taken when the IPv4 Rule is matched.

13:12

VLAN

[15:13] PRIORITY MASK

[12] CFI MASK

[11:0] VID MASK/VID

HIGH

15:14

TYPE MASK

[7:6] RULE VALID

2'b00:start;

2'b01:continue;

2'b10:end;

2'b11:start&end

[5] FRAME WITH TAG

MASK

1'b1: consider FRAME_WITH_TAG

1'b0: ignore FRAME_WITH_TAG

[4] FRAME_WITH_TAG

1'b1: tagged frame

1'b0: untagged frame

[3] VID MASK

1'b1:mask;1'b0:range

[2:0] RULE TYPE

These three bits must be 3'b001 to indicate the MAC rule.

Table 2-9.

IPv4 Pattern

Byte

Name

Description

3:0

DIP

Destination IP address

7:4

SIP

Source IP address

IP PROTOCOL

IP protocol

DSCP

DSCP field

11:10

TCP/UDP

DESTINATION PORT/

TCP/UDP

DESTINATION PORT

LOW

TCP/UDP destination port number or low bound port number. See

mask byte 14 bit 1.

13:12

TCP/UDP SOURCE

PORT/

TCP/UDP SOURCE

PORT LOW

OR ICMP TYPE CODE

TCP/UDP source port number or low bound port number. See mask

byte 14 bit 0.

[7] RESERVED

[6] DHCPv4

[5] RIPv1

[4]SPORT_FIELD_TYPE

1: ICMP TYPE/CODE

0: TCP/UDP SPORT

[3:0] RESERVED

Table 2-8.

MAC Pattern Mask

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