Sun Microsystems Gigabit Ethernet MMF/UTP Adapter 3 Transmit and Receive Parameters Continued

TABLE 3-3Transmit and Receive Parameters (Continued)

ParameterDescription

tx_max_pend rx_hdr_pkts rx_mtu_pkts

rx_split_pkts rx_no_comp_wb

rx_no_buf

rx_new_pages rx_new_hdr_pgs

rx_new_mtu_pgs

rx_new_nxt_pgs

rx_hdr_drops

rx_mtu_drops

rx_nxt_drops

Maximum number of transmits pending on any of the four queues.

Number of packets received that were less than 256 bytes.

Number of packets received that were greater than 256 bytes and less than 1514 bytes.

Number of packets that were split across two pages.

Number of times the hardware could not post completion entries for received data.

Number of times the hardware could not receive data because there is no more receive buffer space.

Number of pages that were replaced during reception.

Of those pages that were filled with packets less than 256 bytes, the number of pages that were replaced during reception.

Of those pages that were filled with packets greater than 256 bytes, and less than 1514, the number of pages that were replaced during reception.

Number of pages that contained packets that were split across pages that were replaced during reception.

Number of times an entire page of packets less than 256 bytes each was dropped because the driver was unable to map a new page to replace it.

Number of times an entire page of packets greater than 256 bytes and less than 1514 each was dropped because the driver was unable to map a new page to replace it.

Number of times a page with a split packet was dropped because the driver was unable to map a new one to replace it.

Sun PCI-Express Dual Gigabit Ethernet Device Driver Parameters

You can manually configure the ipge device driver parameters to customize each Sun PCI-Express Dual Gigabit Ethernet device in your system. This section lists the available ipge device driver parameters, and describes how to configure these parameters.

34 Sun PCI-Express Dual Gigabit Ethernet MMF/UTP Adapter Installation and User’s Guide • June 2006