VSC7440 datasheet(174/444 Pages) MICROSEMI

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Functional Descriptions

VMDS-10492 VSC7440 Datasheet Revision 4.2

157

3.20.2

VCAP IS2 Actions

VCAP IS2 supports only one action, size 196 bits, which applies to all VCAP IS2 keys. The action is

listed in the following table. When programming an action in VCAP IS2, the associated action fields listed

must be programmed in the listed order with the first field in the table starting at bit 0 in the action.

Table 97 •

VCAP IS2 Actions

Action Name

Description

Size

IS_INNER_ACL

Set if VCAP IS2 action belongs to ANA_IN_SW pipeline point.

PIPELINE_FORCE

_ENA

If set, use PIPELINE_PT unconditionally and set PIPELINE_ACT = NONE if

PIPELINE_PT == NONE. Overrules previous settings of pipeline point.

PIPELINE_PT

Pipeline point used if PIPELINE_FORCE_ENA is set:

0: NONE

1: ANA_VRAP

2: ANA_PORT_VOE

3: ANA_CL

4: ANA_CLM

5: ANA_IPT_PROT

6: ANA_OU_MIP

7: ANA_OU_SW

8: ANA_OU_PROT

9: ANA_OU_VOE

10: ANA_MID_PROT

11: ANA_IN_VOE

12: ANA_IN_PROT

13: ANA_IN_SW

14: ANA_IN_MIP

15: ANA_VLAN

16: ANA_DONE

HIT_ME_ONCE

If set, the next frame hitting the rule is copied to CPU using CPU_QU_NUM.

CPU_COPY_ENA overrules HIT_ME_ONCE implying that if CPU_COPY_ENA is also

set, all frames hitting the rule are copied to the CPU.

INTR_ENA

If set, an interrupt is triggered when this rule is hit

CPU_COPY_ENA

If set, frame is copied to CPU using CPU_QU_NUM.

CPU_QU_NUM

CPU queue number used when copying to the CPU

CPU_DIS

If set, disable extraction to CPU queues from previous forwarding decisions. Action

CPU_COPY_ENA is applied after CPU_DIS.

LRN_DIS

If set, autolearning is disallowed.

RT_DIS

If set, routing is disallowed.

POLICE_ENA

If set, frame is policed by policer pointed to by POLICE_IDX.

Overloading: If cleared, POLICE_IDX can be used to select a new source IP address

from table ANA_ACL::SWAP_SIP when replacing IP addresses. See ACL_RT_MODE.

POLICE_IDX

Selects policer index used when policing frames.

Overloading: If POLICE_ENA=0, selects source IP address when replacing IP addresses.

IGNORE_PIPELIN

E_CTRL

Ignore ingress pipeline control. This enforces the use of the VCAP IS2 action even when

the pipeline control has terminated the frame before VCAP IS2.

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