On 02/23/18 at 10:26P, Scheffenegger, Richard wrote: > Hi, Hi Richard! > > I've been afk for quite some time, thus I still have to do a bit of catching > up. > When looking into recent advances in the freebsd tcp stack, I found that some > work was done to make the SACK code RFC6675 compliant. > > Before unpacking packetdrill or running a code inspection - can someone tell > me, if this means that not only the bug fixes / clarifications of 6675 over > 3517 have been implemented, but also the rescue retransmission (section 4, > nextseg, clause 4)?
iirc, no. > > Would still love to get that lost retransmission patch discussed and done > properly (cc reaction on each iteration is missing; that patch preceeds the > modular_cc work though) one of these days though. > https://lists.freebsd.org/pipermail/freebsd-net/2010-April/025061.html This part of code can use some love. But, Randall has done quite a rework of our stack at Netflix which is not yet upstreamed. I am not entirely sure if this part got needed help but I'd encourage you to check with him before putting anymore work into it. :-) Cheers, Hiren
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