Intel 82540EP/EM Network Card User Manual


 
364 Software Developer’s Manual
Register Descriptions
13.7.47 Packets Transmitted (128-255 Bytes) Count
PTC255 (040E0h; R)
This register counts the number of packets transmitted that are 128-255 bytes (from <Destination
Address> through <CRC>, inclusively) in length. Partial packet transmissions (collisions in half-
duplex mode) are not included in this register. This register only increments if transmits are
enabled. This register counts all packets, including standard packets, secure packets, packets
received over the SMBus, and packets generated by the ASF function.
Table 13-136. PTC255 Register Bit Description
13.7.48 Packets Transmitted (256-511 Bytes) Count
PTC511 (040E4h; R)
This register counts the number of packets transmitted that are 256-511 bytes (from <Destination
Address> through <CRC>, inclusively) in length. Partial packet transmissions (collisions in half-
duplex mode) are not included in this register. This register only increments if transmits are
enabled. This register counts all packets, including standard packets, secure packets, packets
received over the SMBus
1
, and packets generated by the ASF function.
Table 13-137. PTC511 Register Bit Description
31 0
PTC255
Field Bit(s)
Initial
Value
Description
PTC255 31:0 0b
Number of packets transmitted that are 128-255 bytes in
length.
1. The 82544GC/EI does not support SMBus or ASF functionality.
31 0
PTC511
Field Bit(s)
Initial
Value
Description
PTC511 31:0 0b
Number of packets transmitted that are 256-511 bytes in
length.