AR8327-AL1A-R datasheet(280/394 Pages) ETC2

280 / 394 page

280 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch

Atheros Communications, Inc.

280 • June 2011

COMPANY CONFIDENTIAL

3.7.115 ACL_RATE_CTRL1_15

Address 0x0A7C

SFT&HW RST

Table 3-266, “ACL_15 Rate Limit Control Register 1,” on page 280 summerizes the

ACL_RATE_CTRL1_15 Register 1

Table 3-266.

ACL_15 Rate Limit Control Register 1

3.7.116 ACL_RATE_CTRL1_16

Address 0x0A80

17:15

R/W

ACL_CBS_15

Commited burst size for ingress rate

limit

14:0

R/W

0x7FFF

ACL_CIR_15

Ingress Rate Limit for all priority.

Rate is limited to times of 32kbps.

Default 15'h7FFF is for disable rate

limit for ingress. if these bits are set to

15'h0, no frame should be received in

from this port.

Bit

R/W

Inital

Value

Mnemonic

Description

Bit

R/W

Inital

Value

Mnemonic

Description

31:24

R/O

RESERVED

R/W

ACL_BORROW_EN_15

Borrow enable

R/W

ACL_RATE_UNIT_15

1: Packets/ 0: bytes

R/W

ACL_CF_15

Coupling flag for ingress rate limit

R/W

ACL_CM_15

Color mode for ingress rate limit

19:18

R/W

2'b01

ACL_RATE_TIME_SLOT_15

ACL Ingress rate limit control timer

slot.

2'b00: 100us;

2'b01: 1ms

2'b10: 10ms

2'b11: 100ms

Notes: if port rate limit set to less than

96kbps, don't select 100us as time slot

17:15

R/W

ACL_EBS_15

Excess burst size for ingress rate limit

14:0

R/W

0x7FFF

ACL_EIR_15

Ingress Rate Limit for all priority.

Rate is limited to times of 32kbps.

Default 15'h7FFF is for disable rate

limit for ingress. if these bits are set to

15'h0, no frame should be received in

from this port.

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