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authorJay Vosburgh <fubar@us.ibm.com>2009-11-13 13:13:01 +0000
committerDavid S. Miller <davem@davemloft.net>2009-11-15 22:21:34 -0800
commit2d6682db114cb53bc94991659478756302e6a600 (patch)
tree7854ccf1c9b0098fa84c444c07d88a360d662aa8 /net
parentb93ab837a2d3eb394082c9eae4ee0a4f83060027 (diff)
bonding: fix 802.3ad standards compliance error
The language of 802.3ad 43.4.9 requires the "recordPDU" function to, in part, compare the Partner parameter values in a received LACPDU to the stored Actor values. If those match, then the Partner's synchronization state is set to true. The current 802.3ad implementation is performing these steps out of order; first, the synchronization check is done, then the paramters are checked to see if they match (the synch check being done against a match check of a prior LACPDU). This causes delays in establishing aggregators in some circumstances. This patch modifies the 802.3ad code to call __choose_matched, the function that does the "match" comparisions, as the first step of __record_pdu, instead of immediately afterwards. This new behavior is in compliance with the language of the standard. Some additional commentary relating to code vs. standard is also added. Reported by Martin Patterson <martin@gear6.com> who also supplied the logic of the fix and verified the patch. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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