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Packets Received (64 Bytes) Count - PRC64 (0405Ch; RC) — Intel
®
82575EB Gigabit Ethernet
Controller
324632-003 Intel
®
82575EB Gigabit Ethernet Controller
Revision: 2.1 Software Developer’s Manual and EEPROM Guide
January 2011 421
14.9.19 Packets Received (64 Bytes) Count - PRC64
(0405Ch; RC)
This register counts the number of good packets received that are exactly 64 bytes (from <Destination
Address> through <CRC>, inclusively) in length. Packets that are counted in the Missed Packet Count
register are not counted in this register. Packets sent to the manageability engine are included in this
counter. This register does not include received flow control packets and increments only if receives are
enabled.
14.9.20 Packets Received (65-127 Bytes) Count -
PRC127 (04060h; RC)
This register counts the number of good packets received that are 65-127 bytes (from <Destination
Address> through <CRC>, inclusively) in length. Packets that are counted in the Missed Packet Count
register are not counted in this register. Packets sent to the manageability engine are included in this
counter. This register does not include received flow control packets and increments only if receives are
enabled.
14.9.21 Packets Received (128-255 Bytes) Count -
PRC255 (04064h; RC)
This register counts the number of good packets received that are 128-255 bytes (from <Destination
Address> through <CRC>, inclusively) in length. Packets that are counted in the Missed Packet Count
register are not counted in this register. Packets sent to the manageability engine are included in this
counter. This register does not include received flow control packets and increments only if receives are
enabled.
14.9.22 Packets Received (256-511 Bytes) Count -
PRC511 (04068h; RC)
This register counts the number of good packets received that are 256-511 bytes (from <Destination
Address> through <CRC>, inclusively) in length. Packets that are counted in the Missed Packet Count
register are not counted in this register. Packets sent to the manageability engine are included in this
counter. This register does not include received flow control packets and increments only if receives are
enabled.
Field Bit(s)
Initial
Value
Description
PRC64 31:0 0b Number of packets received that are 64 bytes in length.
Field Bit(s)
Initial
Value
Description
PRC127 31:0 0b Number of packets received that are 65-127 bytes in length.
Field Bit(s)
Initial
Value
Description
PRC255 31:0 0b Number of packets received that are 128-255 bytes in length.