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Sun Microsystems Ethernet PCI-X Adapter User Manual

Page 47

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Chapter 3

Configuring Driver Parameters

31

rx_new_pages

Number of pages that got replaced during reception.

rx_no_buf

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

rx_nocanput

Number of packets dropped due to full STREAMS message
queue.

rx_no_comp_wb

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

rx_nxt_drops

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

rx_ov_flow

Number of packets dropped due to full h/w FIFO.

rx_pkts_dropped

Number of packets dropped due to service FIFO.

rx_reused_pgs

Number of times driver able to reuse a system page.

rx_split_pkts

Number of packets that were split across two pages.

snaptime

System snapshot time in seconds.

trunk_mode

A value of 1 indicates that a link is aggregated.

tx_allocb_fail

Number of times driver failed to duplicate a packet on transmit.

tx_ddi_pkts

Number of packets that used DDI_DMA.

tx_dma_bind_fail

Number of times a page table entry was not available to enable
the driver to map the kernel memory to device-accessible
memory for transmission.

tx_dvma_pkts

Number of packets that used dvma.

tx_hdr_pkts

Number of packets that used bcopy (buffer copy).

tx_jumbo_pkts

Number of packets greater that Ethernet MTU of 1522.

tx_max_pend

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

tx_msgdup_fail

Number of times driver failed to duplicate a packet for
promiscuous stream.

tx_no_desc

Number of tx packets dropped due to full descriptor ring.

tx

_

starts

Number of times that the driver attempted to transmit a packet.

xcvr_addr

GMII/MII physical layer device address for management
interface.

TABLE 3-6

Receive and Transmit Parameters

Parameter

Description