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Tx Descriptor Handler ECC Error Inject - TDHEEI (035F8h; R/W) — Intel
®
82575EB Gigabit
Ethernet Controller
324632-003 Intel
®
82575EB Gigabit Ethernet Controller
Revision: 2.1 Software Developer’s Manual and EEPROM Guide
January 2011 437
14.10.14 Tx Descriptor Handler ECC Error Inject - TDHEEI
(035F8h; R/W)
14.10.15 Rx Descriptor Handler ECC Error Inject -
RDHEEI (025F8h; R/W)
Field Bit(s)
Initial
Value
Description
Descriptor
Fetch Injection
Enable
0 0b Descriptor Fetch Injection Enable
When this bit is set, an error is injected the next time the Tx descriptor handler fetches
a descriptor for DMA processing.
This bit is auto cleared by hardware when an error is injected.
Descriptor
Writeback
Injection
Enable (WC)
1 0b Descriptor Writeback Injection Enable
When this bit is set, an error is injected the next time the Tx descriptor handler fetches
a descriptor for DMA processing.
This bit is auto cleared by hardware when an error is injected.
Reset Data 2 0b Reset Data
Clears all bits in the data line on which the error is inserted.
Reserved 15:3 0h Reserved
Error1 Bit
Location
23:16 FFh No Error Injection on This Bit
Maximum allowed value is 135 for error injection.
Error2 Bit
Location
31:24 FFh No Error Injection on This Bit
Maximum allowed value is 135 for error injection.
Field Bit(s)
Initial
Value
Description
Descriptor
Fetch Injection
Enable
0 0b Descriptor Fetch Injection Enable
When this bit is set, an error is injected the next time the Rx descriptor handler fetches
a descriptor for DMA processing.
This bit is auto cleared by hardware when an error is injected.
Descriptor
Writeback
Injection
Enable (WC)
1 0b Descriptor Writeback Injection Enable
When this bit is set, an error is injected the next time the Rx descriptor handler fetches
a descriptor for DMA processing.
This bit is auto cleared by hardware when an error is injected.
Reset Data 2 0b Reset Data
Clears all bits in the data line on which the error is inserted.
Reserved 15:3 0h Reserved
Error1 Bit
Location
23:16 FFh No Error Injection on This Bit
Maximum allowed value is 135 for error injection.
Error2 Bit
Location
31:24 FFh No Error Injection on This Bit
Maximum allowed value is 135 for error injection.