KSZ9567R_V01 datasheet(48/233 Pages) MICROCHIP

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KSZ9567R

DS00002329E-page 48

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4.4.17.3

Action Rule Description

MAX PORT[15:0]

MIN PORT[15:0]

Max and Min Ports for TCP/UDP

TCP Sequence Number[31:0]

PC[1:0]

Port Comparison

00 = Port comparison is disabled

01 = Port matches either one of MAX or MIN

10 = Match if port number is in the range of MIN to MIN

11 = Match if port number is out of the range

PRO[7:0]

IPv4 protocol to be matched

FME

TCP Flag Match Enable

0 = TCP FLAG matching disabled

1 = TCP FLAG matching enabled

FMASK[7:0]

TCP FLAG Mask

0 = This bit of the Flag field is compared

1 = This bit of the Flag field is not compared

FLAG[7:0]

TCP Flag to be matched

TABLE 4-20:

ACL ACTION RULE PARAMETERS FOR NON-COUNT MODES (MD ≠ 01 OR ENB ≠

00)

Parameter

Description

PM[1:0]

Priority Mode

00 = ACL does not specify the packet priority. Priority is determined by standard QoS

functions.

01 = Change packet priority to P[2:0] if it is greater than QoS result.

10 = Change packet priority to P[2:0] if it is smaller than the QoS result.

11 = Always change packet priority to P[2:0].

P[2:0]

Priority value

RPE

Remark Priority Enable

0 = Disable priority remarking

1 = Enable priority remarking. VLAN tag priority (PCP) bits are replaced by RP[2:0].

RP[2:0]

Remarked Priority value

MM[1:0]

Map Mode

00 = No forwarding remapping

01 = The forwarding map in FORWARD is OR'ed with the forwarding map from the

Address Lookup Table.

10 = The forwarding map in FORWARD is AND'ed with the forwarding map from the

Address Lookup Table.

11 = The forwarding map in FORWARD replaces the forwarding map from the Address

Lookup Table.

FORWARD[N-1:0]

Forwarding Ports

Bit 0 corresponds to port 1

Bit 1 corresponds to port 2, etc.

0 = Do not forward to this port

1 = Forward to this port

TABLE 4-19:

ACL MATCHING RULE PARAMETERS FOR MD = 11 (CONTINUED)

Parameter

Description

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