AR8327-AL1A-R datasheet(95/394 Pages) ETC2

95 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

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3.4 PARSER REGISTER SUMMARY(Address Range 0x0200 ~ 0x0270)

Table 3-60 summarizes the Parser registers.

3.4.1

NORMALIZE_CTRL0

Address 0x0200

SFT&HW RST

Table 3-61 summarizes the NORMALIZE_CTRL0 Register 0

Table 3-61.

Normalize Control Register 0

Table 3-60.

Parser Register Summary

Name

Address

Reset

NORMALIZE CONTROL REGISTER

0x0200~0x0204

HARD & SOFT

NORMALIZE LENGTH CONTROL REGISTER

0x0208

HARD & SOFT

FRAME ACK CONTROL REGISTER

0x0210~0x0214

HARD & SOFT

WINDOW RULE CONTROL REGISTER

0x0218~0x024C

HARD & SOFT

TRUNK HASH ENABLE REGISTER

0x0270

HARD & SOFT

Bit

R/W

Inital

Value

Mnemonic

Description

31:30

R/O

RESERVED

R/W0

TCP_PSH1_ACK0_DROP_EN

1'b1: frame with PUSH=1 & ACK=0

should be dropped.

R/W0

TCP_FIN1_ACK0_DROP_EN

1'b1: frame with FIN=1 & ACK=0

should be dropped.

R/W0

TCP_RST1_WITH_DATA_DROP_

1'b1: frame with RST=1 and IP_LEN -

IP_HDR_LEN - TCP_OFFSET > 0

should be dropped.

R/W

TCP_SYN1_WITH_DATA_DROP

_EN

1'b1: frame with SYN=1 and IP_LEN -

IP_HDR_LEN - TCP_OFFSET > 0

should be dropped.

R/W

TCP_RST1_DROP_EN

1'b1: frame with RST=1 should be

dropped.

R/W

TCP_SYN0_ACK0_RST0_DROP_

1'b1: frame with SYN=0 & ACK=0 &

RST=0 should be dropped.

R/W

TCP_SYN1_FIN1_DROP_EN

1'b1: frame with SYN=1 & FIN=ould be

dropped.

R/W

TCP_SYN1_RST1_DROP_EN

1'b1: frame with SYN=1 & RST=1

should be dropped.

R/W

TCP_NULLSCAN_DROP_EN

1'b1: frame with Seq_Num=0 and all

TCP FLAG zero should be dropped.

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