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ifconfig.4, lagg.4: fix documentation bug: -use_flowid needs to be used
to force local hash computation and disable usage of RSS hash provided by driver. PR: 234242 MFC after: 1 week
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=342367
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@ -2469,7 +2469,7 @@ src/dst address for IPv4 or IPv6.
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.It Cm l4
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src/dst port for TCP/UDP/SCTP.
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.El
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.It Cm use_flowid
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.It Cm -use_flowid
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Enable local hash computation for RSS hash on the interface.
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The
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.Li loadbalance
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@ -2478,7 +2478,7 @@ and
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modes will use the RSS hash from the network card if available
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to avoid computing one, this may give poor traffic distribution
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if the hash is invalid or uses less of the protocol header information.
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.Cm use_flowid
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.Cm -use_flowid
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disables use of RSS hash from the network card.
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The default value can be set via the
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.Va net.link.lagg.default_use_flowid
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@ -2491,8 +2491,8 @@ and
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.Li 1
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means
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.Dq enabled .
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.It Cm -use_flowid
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Disable local hash computation for RSS hash on the interface.
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.It Cm use_flowid
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Use the RSS hash from the network card if available.
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.It Cm flowid_shift Ar number
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Set a shift parameter for RSS local hash computation.
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Hash is calculated by using flowid bits in a packet header mbuf
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@ -146,7 +146,7 @@ modes will use the RSS hash from the network card if available to avoid
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computing one, this may give poor traffic distribution if the hash is invalid
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or uses less of the protocol header information.
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Local hash computation can be forced per interface by setting the
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.Cm use_flowid
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.Cm -use_flowid
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.Xr ifconfig 8
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flag.
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The default for new interfaces is set via the
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