lan9313 Standard Microsystems Corp., lan9313 Datasheet - Page 70

• Manufacturer Part Number: lan9313
• Description: Lan9313/lan9313i Three Port 10/100 Managed Ethernet Switch With Mii
• Manufacturer: Standard Microsystems Corp.

Revision 1.2 (04-08-08)
The transmit queue priority is based on the packet type and device configuration as shown in
Figure 6.5
(SWE_GLOBAL_INGRSS_CFG)," on page 329
ALR Priority
Queue =
Resolved Priority =
IP Precedence
. Refer to
Y
Figure 6.5 Switch Engine Transmit Queue Calculation
Use Precedence
Section 13.3.3.16, "Switch Engine Global Ingress Configuration Register
Resolved Priority =
DIFFSERV[TOS]
N
Get Queue Done
DATASHEET
Y
Resolved Priority =
DIFFSERV[TC]
Packet is IPv 4
70
N
for definitions of the configuration bits.
Traffic Class[Resolved Priority]
Y
N
Y
Default Priority[Source
Resolved Priority =
wait for ALR result
Packet from Host
Packet is IPv 4/v6
VLAN Enable &
VLAN Enable &
ALR Static Bit
DA Highest
Get Queue
VL Higher
Packet is
Packet is
& Use IP
Queue =
Tagged
Tagged
Priority
Priority
Port]
Three Port 10/100 Managed Ethernet Switch with MII
N
N
N
N
N
Y
Y
Y
N
Y
Y
Priority Regen[VLAN
Resolved Priority =
Priority]
SMSC LAN9313/LAN9313i
Datasheet