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authorRichard Scheffenegger <rscheff@FreeBSD.org>2021-02-16 11:18:43 +0000
committerRichard Scheffenegger <rscheff@FreeBSD.org>2021-02-16 12:08:37 +0000
commit3c40e1d52cd86168779cf99dbabe58df465d7e3f (patch)
treebab7eb118a0354142f68ecf41bdd0f1c1f27868e /stand/efi
parentafcb3c4cb49f1ba9690d066c3dc1af9c7bee1ea3 (diff)
downloadsrc-3c40e1d52cd86168779cf99dbabe58df465d7e3f.tar.gz
src-3c40e1d52cd86168779cf99dbabe58df465d7e3f.zip
update the SACK loss recovery to RFC6675, with the following new features:
- improved pipe calculation which does not degrade under heavy loss - engaging in Loss Recovery earlier under adverse conditions - Rescue Retransmission in case some of the trailing packets of a request got lost All above changes are toggled with the sysctl "rfc6675_pipe" (disabled by default). Reviewers: #transport, tuexen, lstewart, slavash, jtl, hselasky, kib, rgrimes, chengc_netapp.com, thj, #manpages, kbowling, #netapp, rscheff Reviewed By: #transport Subscribers: imp, melifaro MFC after: 2 weeks Sponsored by: NetApp, Inc. Differential Revision: https://reviews.freebsd.org/D18985
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