sctp: Generate SACKs when actually sending outbound DATA

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We are now trying to bundle SACKs when we have outbound
DATA to send.  However, there are situations where this
outbound DATA will not be sent (due to congestion or 
available window).  In such cases it's ok to wait for the
timer to expire.  This patch refactors the sending code
so that betfore attempting to bundle the SACK we check
to see if the DATA will actually be transmitted.

Based on eirlier works for Doug Graham <dgraham@nortel.com> and
Wei Youngjun <yjwei@cn.fujitsu.com>.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>

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This commit is contained in:

Vlad Yasevich 2009-08-07 10:43:07 -04:00

parent 3e62abf92f

commit e83963b769

1 changed files with 85 additions and 57 deletions

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net/sctp/output.c

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