High Performance Two Port 10/100 Managed Ethernet Switch with
Datasheet
The transmit queue priority is based on the packet type and device configuration as shown in Figure 6.5. Refer to Section 14.5.3.16, "Switch Engine Global Ingress Configuration Register (SWE_GLOBAL_INGRSS_CFG)," on page 383 for definitions of the configuration bits.
Y | Packet is IPv 4 | |
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Y Use Precedence N
Get Queue |
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Packet from Host |
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DA Highest | N |
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Priority |
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wait for ALR result
YALR Static Bit
N
NVL Higher
Priority
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VLAN Enable & | Y | |
Packet is |
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Tagged |
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YPacket is IPv 4/v6
&Use IP
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VLAN Enable & | Y | |
Packet is |
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Resolved Priority = |
| Resolved Priority = |
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IP Precedence |
| DIFFSERV[TOS] |
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Queue = |
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ALR Priority |
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Get Queue Done
Figure 6.5 Switch Engine Transmit Queue Calculation
Revision 1.4 | 68 | SMSC LAN9312 |
| DATASHEET |
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