lib(4): Fix mdoc issues.
- Fix "mandoc -Tlint" warnings. - Use the "Er" macro for errors. - Add an extra newline for readability. - Reference m_pullup(9) and m_defrag(9). - Use the "Fx" macro when talking about FreeBSD versions. Reviewed by: bcr Approved by: re (gjb), krion (mentor) Differential Revision: https://reviews.freebsd.org/D17270
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=338965
@ -1,5 +1,5 @@
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.\" $FreeBSD$
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.Dd September 20, 2018
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.Dd September 27, 2018
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.Dt IFLIB 4
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.Os
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.Sh NAME
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@ -24,7 +24,7 @@ These variables must be set before loading the driver, either via
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or through the use of
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.Xr kenv 1 .
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They are all prefixed by
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.Va dev.X.Y.iflib.
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.Va dev.X.Y.iflib\&.
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where X is the driver name, and Y is the instance number.
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.Bl -tag -width indent
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.It Va override_nrxds
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@ -153,7 +153,8 @@ The transmit queue consumer index of the oldest descriptor to reclaim.
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The transmit queue producer index where the next descriptor to transmit will
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be inserted.
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.It Va no_tx_dma_setup
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Number of times DMA mapping a transmit mbuf failed for reasons other than EFBIG.
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Number of times DMA mapping a transmit mbuf failed for reasons other than
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.Er EFBIG .
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.It Va txd_encap_efbig
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Number of times DMA mapping a transmit mbuf failed due to requiring too many
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segments.
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@ -168,12 +169,18 @@ Number of times both
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.Xr m_collapse 9
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and
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.Xr m_defrag 9
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failed after an EFBIG error
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failed after an
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.Er EFBIG
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error
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result from DMA mapping a transmit mbuf.
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.It Va m_pullups
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Number of times m_pullup was called attempting to parse a header.
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Number of times
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.Xr m_pullup 9
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was called attempting to parse a header.
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.It Va mbuf_defrag
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Number of times m_defrag was called.
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Number of times
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.Xr m_defrag 9
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was called.
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.El
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.It Va rxqZ
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The following are repeated for each receive queue, where Z is the
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@ -187,9 +194,11 @@ Current receive ring consumer index.
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Current receive ring producer index.
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.El
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.El
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.Pp
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Additional OIDs useful for driver and iflib development are exposed when the
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INVARIANTS and/or WITNESS options are enabled in the kernel.
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.Sh SEE ALSO
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.Xr iflib 9
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.Sh HISTORY
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This framework was introduced in 11.0.
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This framework was introduced in
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.Fx 11.0 .
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