New sentence, new line; drop superfluous Pp;
fix Dd argument; use \*[Lt]\*[Gt] instead of <> for HTML output.
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@ -1,4 +1,4 @@
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.\" $NetBSD: dge.4,v 1.2 2004/03/18 20:40:59 wiz Exp $
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.\" $NetBSD: dge.4,v 1.3 2004/03/18 20:44:25 wiz Exp $
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.\"
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.\" Copyright (c) 2004, SUNET, Swedish University Computer Network.
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.\" All rights reserved.
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@ -32,7 +32,7 @@
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd Mars 18, 2004
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.Dd March 18, 2004
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.Dt DGE 4
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.Os
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.ds nummer "i82597EX
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@ -54,8 +54,9 @@ which uses a single mode fiber (1310nm) interface.
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The
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.nummer
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supports IPv4/TCP/UDP checksumming in hardware, as well
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as TCP Segmentation Offloading (TSO). The driver does currently
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only support the hardware checksumming features.
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as TCP Segmentation Offloading (TSO).
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The driver does currently only support the hardware checksumming
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features.
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See
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.Xr ifconfig 8
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for information on how to enable the hardware checksum calculations.
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@ -66,7 +67,8 @@ link flags
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.Ar link0
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and
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.Ar link1
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to set the PCIX burst size. The burst size is set according to
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to set the PCIX burst size.
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The burst size is set according to
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this table:
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.Pp
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.Bl -column "link0" "link1" "burst size"
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@ -84,33 +86,35 @@ the system.
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.Bl -diag
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.It dge%d: Tx packet consumes too many DMA segments, dropping...
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The packet consisted of too many small mbufs and could therefore
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not be loaded into a DMA map. This is most unlikely, the driver
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can currently handle up to 100 segments, but over 80 segments
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has been seen using large (16k) jumbo frames.
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not be loaded into a DMA map.
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This is most unlikely, the driver can currently handle up to 100
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segments, but over 80 segments has been seen using large (16k)
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jumbo frames.
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.Pp
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.It dge%s: device timeout (txfree %d txsfree %d txnext %d)
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The
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.nummer
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had been given packets to send, but didn't interrupt
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within 5 seconds. This diagnostic is most likely the result of
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a hardware failure, and the chip will be reset to resume normal
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operation.
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had been given packets to send, but didn't interrupt within 5
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seconds.
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This diagnostic is most likely the result of a hardware failure,
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and the chip will be reset to resume normal operation.
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.Pp
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.It dge%d: Receive overrun
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If the computer is is heavy loaded the software may not be able to
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keep up removing received datagrams from the receive queue, and
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will therefore loose datagrams. To avoid this, check that the other
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end is using the XON/XOFF protocol, if possible, or increase the
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receive descriptor ring size in the driver.
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will therefore loose datagrams.
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To avoid this, check that the other end is using the XON/XOFF
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protocol, if possible, or increase the receive descriptor ring size
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in the driver.
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.Pp
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.It dge%d: symbol error
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.It dge%d: parity error
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An error in the XGMII communication was detected. This is a hardware
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error in the MAC<->PHY communication bus.
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An error in the XGMII communication was detected.
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This is a hardware error in the MAC\*[Lt]-\*[Gt]PHY communication bus.
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.Pp
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.It dge%d: CRC error
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A CRC error in the received datagram was detected. The error is probably
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caused in the fiber communication.
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A CRC error in the received datagram was detected.
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The error is probably caused in the fiber communication.
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.Pp
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.It dge%d: WARNING: reset failed to complete
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This is a fatal error and means that the hardware is broken and
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@ -118,11 +122,11 @@ will most likely not function correctly.
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.Pp
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.It "dge%d: unable to allocate or map rx buffer %d error = %d
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The driver was not able to map a mbuf cluster page to a receive
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descriptor entry in the receive ring. Most likely the system has
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run out of mbuf clusters or have a too small cluster map. See
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the errno for more information.
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descriptor entry in the receive ring.
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Most likely the system has run out of mbuf clusters or have a too
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small cluster map.
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See the errno for more information.
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.El
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.Pp
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.Sh SEE ALSO
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.Xr arp 4 ,
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.Xr ifmedia 4 ,
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