Dell Broadcom NetXtreme Family of Adapters User Manual page 38

Enables the use of batching receives within a specific time period.
Min = 0 (disabled)
Max = 5000000 (5 seconds)
Units are in microseconds and the default value is 300.
TxTicks=
Enables the use of a transmit tick threshold interrupt within a specific time period.
Min = 0 (disabled)
Max = 5000000 (5 seconds)
Units are in microseconds. The default value is 200.
TxPacketsPer=
Enables allowing an interrupt to occur after a specific amount of packets is transmitted.
Min = 0 (disabled)
Max = 100
The default value is 20.
RxPacketsPer=
Enables allowing an interrupt to occur after a specific amount of packets is received.
Min = 0 (disabled)
Max = 100
The default value is 75.
CheckSum=
Enables or disables the transmit and receive checksum offload feature. Checksum offload support is only for TCP/IP packets;
therefore, the default setting for checksum offload is OFF.
OFF
ON
TX
RX
TxFlow=
This keyword allows enabling/disabling of transmit flow control.
ON
OFF (default)
RxFlow=
This keyword allows enabling/disabling of receive flow control.
ON
OFF (default)
PDriver=
Enables the driver to operate in persistent driver mode. Use only if the adapter is placed in a hot-plug slot and only if you must
swap with an adapter that is exactly the same.
OFF (default)