IDT88K8483 Integrated Device Technology, IDT88K8483 Datasheet - Page 124

• Manufacturer Part Number: IDT88K8483
• Description: Spi-4 Exchange Document Issue 1.0
• Manufacturer: Integrated Device Technology

PFP Queue Weighting Enable Register
WEIGHT_EN
Note: Please refer to page 52 for a detailed explanation of PFP priority and scheduling.
IDT IDT88K8483
Field
Table 103 PFP Queue Weighting Enable Register
R/W
Read /
Write
0:0
Bits
1
Length
0
Reset
State
124 of 162
(Block Base=
This field selects which LID data needs to be transmitted first according to its priority
set in the field WEIGHT in
when non-satisfied status information is received in the FIFO status channel.
0: The egress server scheduler schedules the LIDs in the calendar to be serviced in
a two-priority round robin according to the starving, hungry and satisfied status of
each LID. A starving status sets the LID priority high, a hungry status sets the prior-
ity low.
1: The egress server schedules the LIDs with hungry or starving status to be ser-
viced in a two-priority round robin scheme mode according to a fixed priority
scheme. The status values of hungry and starving received in the egress status cal-
endar are merged into a single non-satisfied status. The priority of the LID can be
set in the WEIGHT field in the
122.
0x1700/0x1F00
PFP Egress Weight And Direction Register (p.
“PFP Egress Weight And Direction Register” on page
Description
, Register Offset=0x02)
October 20, 2006
122),