AR8327-AL1A-R datasheet(315/394 Pages) ETC2

315 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

Switch

•

315

3.7.164 PORT5_ING_RATE_CTRL1

Address 0x0B54

SFT&HW RST

Table 3-315, “Port 5 Ingress Rate Limit Control Register 1,” on page 315 summerizes the

PORT5_ING_RATE_CTRL1 Register 1

Table 3-315.

Port 5 Ingress Rate Limit Control Register 1

3.7.165 PORT5_ING_RATE_CTRL2

Address 0x0B58

17:15

R/W

ING_CBS_5

Committed burst size for ingress rate limit

14:0

R/W

0x7FFF

ING_CIR_5

Committed Ingress Rate Limit for all

priority.

Rate is limited to times of 32kbps.

Default 15'h7FFF is for disable rate limit

for egress priority 2. 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

ING_BORROW_EN_5

Borrow enable

R/W

ING_RATE_UNIT_5

1: Packets/ 0: bytes

R/W

ING_CF_5

Coupling flagfor ingress rate limit

R/W

ING_CM_5

Color mode for ingress rate limit

19:18

R/W

2'b01

ING_RATE_E_TIME_SLOT_5

Excess 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

ING_EBS_5

Excess burst size for ingress rate limit

14:0

R/W

0x7FFF

ING_EIR_5

Excess 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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