KSZ9567RTXI datasheet(47/232 Pages) MICROCHIP

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DS00002329D-page 47

KSZ9567R

IP MASK[31:0]

Mask bits for the IPv4 address when ENB = 01:

0 = This bit of the address is compared

1 = This bit of the address is not compared

Destination IPv4 address when ENB = 10

TABLE 4-19:

ACL MATCHING RULE PARAMETERS FOR MD = 11

Parameter

Description

MD[1:0]

MODE

00 = Matching rule is disabled

01 = Layer 2 MAC header or counter filtering

10 = Layer 3 IP header filtering

11 = Layer 4 TCP header (and IP protocol) filtering

ENB[1:0]

00 = IP Protocol comparison is enabled

01 = TCP source/destination port comparison is enabled

10 = UDP source/destination port comparison is enabled

11 = TCP sequence number is compared

S/D

Source / Destination

0 = Destination address

1 = Source address

Equal / Not Equal

0 = Not Equal produces true result

1 = Equal produces true result

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 4-18:

ACL MATCHING RULE PARAMETERS FOR MD = 10 (CONTINUED)

Parameter

Description

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