lan9303m Standard Microsystems Corp., lan9303m Datasheet - Page 85

• Manufacturer Part Number: lan9303m
• Description: Small Form Factor Three Port 10/100 Managed Ethernet Switch With Dual Mii/rmii/turbo Mii
• Manufacturer: Standard Microsystems Corp.

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
SMSC LAN9303M/LAN9303Mi
Flow Priority =
ALR Priority
The ingress flow calculation is based on the packet type and the device configuration as shown in
Figure
6.8.
IP Precedence
Flow Priority =
Figure 6.8 Switch Engine Ingress Flow Priority Calculation
Y
Use Precedence
DIFFSERV[TOS]
Flow Priority =
N
DATASHEET
Get Flow Priority Done
85
Y
DIFFSERV[TC]
Packet is IPv4
Flow Priority =
N
N
Y
Y
Default Priority[Source
wait for ALR result
Packet is IPv4/v6
Get Flow Priority
from H ost & queue
Flow Priority =
calculation not
ALR Priority
DA Highest
Enable Bit
Use Tag &
Use Tag &
VL Higher
Packet is
Packet is
requested
& Use IP
Tagged
Tagged
Priority
Priority
Packet
Port]
N
Y
N
Y
N
N
N
Y
N
Y
Y
Revision 1.3 (08-27-09)
Priority Regen[VLAN
Flow Priority =
Priority]