lan9303m Standard Microsystems Corp., lan9303m Datasheet - Page 79
lan9303m
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.
Datasheet
1.LAN9303M.pdf
(380 pages)
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Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
SMSC LAN9303M/LAN9303Mi
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 303
Resolved Priority =
ALR Priority
. Refer to
Figure 6.5 Switch Engine Transmit Queue Calculation
Resolved Priority =
IP Precedence
Section 13.4.3.16, "Switch Engine Global Ingress Configuration Register
Y
Use Precedence
Resolved Priority =
DATASHEET
DIFFSERV[TOS]
N
Traffic Class[Resolved Priority]
79
Get Queue Done
Queue =
for definitions of the configuration bits.
Y
Resolved Priority =
DIFFSERV[TC]
Packet is IPv4
N
N
Y
Y
Default Priority[Source
Resolved Priority =
wait for ALR result
Packet from Host
Packet is IPv4/v6
ALR Priority
DA Highest
Get Queue
Enable Bit
Use Tag &
Use Tag &
VL Higher
Packet is
Packet is
& Use IP
Tagged
Tagged
Priority
Priority
Port]
N
Y
N
Y
N
N
N
Y
N
Y
Y
Revision 1.3 (08-27-09)
Priority Regen[VLAN
Resolved Priority =
Priority]
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