bonding: document undocumented active_slave sysfs entry.
v2, based on Jay's review. I kept the 'link must be up' part, because this is enforced in the code. Signed-off-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -196,6 +196,23 @@ or, for backwards compatibility, the option value. E.g.,
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The parameters are as follows:
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active_slave
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Specifies the new active slave for modes that support it
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(active-backup, balance-alb and balance-tlb). Possible values
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are the name of any currently enslaved interface, or an empty
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string. If a name is given, the slave and its link must be up in order
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to be selected as the new active slave. If an empty string is
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specified, the current active slave is cleared, and a new active
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slave is selected automatically.
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Note that this is only available through the sysfs interface. No module
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parameter by this name exists.
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The normal value of this option is the name of the currently
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active slave, or the empty string if there is no active slave or
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the current mode does not use an active slave.
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ad_select
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Specifies the 802.3ad aggregation selection logic to use. The
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