VSC7511 datasheet(86/324 Pages) MICROSEMI

86 / 324 page

Functional Descriptions

VMDS-10488 VSC7511 Datasheet Revision 4.2

L4_RNG

173 8

Range mask with one bit per range. A bit is set, if the corresponding

range is matched.

Range types: SPORT, DPORT, SPORT or DPORT, VID, DSCP

Input to range checkers:

SPORT/DPORT: From frame

VID: From frame if tagged, otherwise port’s VID

DSCP: Translated DSCP from the basic classification.

See Range Checkers, page 94.

Table 40 •

Specific Fields for IS1 Half Key S1_5TUPLE_IP4

Field Name

Bit

Width

Description

Tagging Information

INNER_TPID

TPID for inner tag.

0: Customer TPID.

1: Service TPID (88A8 or programmable).

INNER_VID

Frame’s inner VID if frame is double tagged.

INNER_DEI

Frame’s inner DEI if frame is double tagged.

INNER_PCP

Frame’s inner PCP if frame is double tagged.

Layer-3 Information

IP4

Frame type flag.

Set if frame is IPv4 frame.

L3_FRAGMENT

Set if IPv4 frame is fragmented (More Fragments flag = 1

or Fragments Offset > 0).

Layer 4 information cannot not be trusted.

L3_FRAG_OFS_GT0

Set if IPv4 frame is fragmented and it is not the first

fragment (Fragments Offset > 0).

Layer 4 information cannot not be trusted.

L3_OPTIONS

Set if IPv4 frame contains options (IP len > 5). IP options

are not skipped nor parsed.

Layer 4 information cannot not be trusted.

L3_DSCP

Frame’s DSCP value. The DSCP value may have been

translated during basic classification. For more

information, see QoS, DP, and DSCP Classification,

page 53.

L3_IP4_DIP

IPv4: destination IP address.

IPv6: destination IP address, bits [31:0].

L3_IP4_SIP

106

IPv4: source IP address.

IPv6: source IP address, bits [31:0].

L3_PROTO

138

IPv4: IP protocol.

IPv6: next header.

Layer-4 Information

TCP_UDP

146

Frame type flag.

Set if frame is IPv4/IPv6 TCP or UDP frame.

TCP

147

Frame type flag.

Set if frame is IPv4/IPv6 TCP frame.

Table 39 •

Specific Fields for IS1 Half Key S1_NORMAL (continued)

Field Name

Bit

Width

Description

VSC7511 датащи(PDF) 86 Page - Microsemi Corporation

VSC7511 датащи(HTML) 86 Page - Microsemi Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL