EVB9311 SMSC, EVB9311 Datasheet - Page 73
EVB9311
Manufacturer Part Number
EVB9311
Description
EVALUATION BOARD LAN9311-NU
Manufacturer
SMSC
Series
0133r
Datasheet
1.LAN9311-NU.pdf
(460 pages)
Specifications of EVB9311
Main Purpose
Interface, Ethernet
Embedded
No
Utilized Ic / Part
LAN9311
Primary Attributes
2 Ports, 100BASE-TX/10BASE-T, Managed
Secondary Attributes
2 PHYs with HP Auto-MDIX, Auto- Flow Control, 32-bit CRC, MDI/MDI-X
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
638-1076
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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
The ingress flow calculation is based on the packet type and the device configuration as shown in
Figure
IPv4 Precedence
IPv4(TOS)
IPv6(TC)
VLAN Priority
6.8.
Source Port
IP Precedence
Flow Priority =
Figure 6.8 Switch Engine Ingress Flow Priority Calculation
Figure 6.7 Switch Engine Ingress Flow Priority Selection
Y
Use Precedence
6b
3b
Packet is from Host
2b
VL Higher Priority
Packet is Tagged
3b
Use Precedence
DIFFSERV Table
Packet is IPv 4
Programmable
DIFFSERV[TOS]
VLAN Enable
Flow Priority =
Packet is IP
Programmable
N
Port Default
Use IP
Table
DATASHEET
Y
DIFFSERV[TC]
Packet is IPv 4
Flow Priority =
3b
3b
73
N
Calculation
Priority
N
Y
Default Priority[Source
Get Flow Priority Done
Packet from Host
Packet is IPv 4/v6
Get Flow Priority
Vlan Enable &
Vlan Enable &
Flow Priority =
VL Higher
Packet is
Packet is
& Use IP
Tagged
Tagged
Priority
Port]
N
N
N
N
Y
3b
Y
Y
Y
flow priority
Flow Priority =
VLAN Priority
Revision 1.7 (06-29-10)
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