tree 33622d2b9e2064c36c17cd108c9b3a23af1fd6a4
parent e0e9db178a5ba4dbb5f16f958f1affbdc63d2cc4
author Vlad Yasevich <vladislav.yasevich@hp.com> 1259009637 -0500
committer Vlad Yasevich <vladislav.yasevich@hp.com> 1259009637 -0500

sctp: Update SWS avaoidance receiver side algorithm

We currently send window update SACKs every time we free up 1 PMTU
worth of data.  That a lot more SACKs then necessary.  Instead, we'll
now send back the actuall window every time we send a sack, and do
window-update SACKs when a fraction of the receive buffer has been
opened.  The fraction is controlled with a sysctl.

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