Sun Microsystems Gigabit Ethernet MMF/UTP Adapter manual Configuring e1000g Driver Parameters

#

NumTxDescriptors = 256;

#It can have Minimum 80 or Maximum 256 descriptors.

#If it is set to 256 then on Solaris 7.0 you may get

#into problems while trying to load more than 1 nic as

#it will demand lots of memory...

NumRxDescriptors = 256;

#It can have Minimum 80 or Maximum 256 descriptors.

#If it is set to 256 then on Solaris 7.0 you may get

#into problems while trying to load more than 1 nic as

#it will demand lots of memory...

FlowControl = 3;

#0: Flow control is completely disabled

#1: Rx flow control is enabled (we can receive pause frames

#but not send pause frames).

#2: Tx flow control is enabled (we can send pause frames

#but we do not receiving pause frames).

#3: Both Rx and TX flow control (symmetric) is enabled.

#4: No software override. The flow control configuration

#in the EEPROM is used.

MaxNumReceivePackets = 32;

#Minimum value can be 16 and Maximum value would be 1024.

#It will be the value for Maximum number of receive packets

#handled per interrupt. More value means more time to process

#interrupts.

MaxFrags = 8;

#Minimum Value would be 2 and Maximum Value would be 8. TxInterruptDelay = 300;

#In units of 1.024 micro seconds units.

#2 bytes are allocated for it so maximum value can be 65535.

#0 is invalid value on the hardware so software will simply

#disable the transmit interrupt delay settings. MaxFreeListBuf=256;

#Minimum value would be 64 and maximum value would be 4096.

#Adjust it as per memory available as driver may not load if

#there is not enough memory.

MWIEnable = 1;

#Boolean value 0 disables Memory write and invalidate and 1 enables it

#Only PCI 450NX chipset needs this value set to 0.

DmaFairness = 1;

#Boolean value 1 means DMA is fair and 0 means Receive will get priority. MasterLatencyTimer = 0;

#BIOS normally decides this value for PCI , which is normally 64.

#0 is a good value to start. Maximum value is 255. ForceSpeedDuplex=7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7;

#This will force Speed and Duplex for following settings for a typical

instance.

#1 will set the 10 Mbps speed and Half Duplex mode.

#2 will set the 10 Mbps speed and Full Duplex mode.

Chapter 4 Configuring e1000g Driver Parameters 45