From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1921) id 58578385C32E; Mon, 11 Jul 2022 11:55:05 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 58578385C32E Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable From: Sebastian Huber To: newlib-cvs@sourceware.org Subject: [newlib-cygwin] tcp: Add hystart-plus to cc_newreno and rack. X-Act-Checkin: newlib-cygwin X-Git-Author: Randall Stewart X-Git-Refname: refs/heads/master X-Git-Oldrev: 57703f72c8d9c2baefc36b13bc1262bd7cb6c721 X-Git-Newrev: 0464f26db0c35b01281c5189b35d4388b49507f5 Message-Id: <20220711115505.58578385C32E@sourceware.org> Date: Mon, 11 Jul 2022 11:55:05 +0000 (GMT) X-BeenThere: newlib-cvs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Newlib GIT logs List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jul 2022 11:55:05 -0000 https://sourceware.org/git/gitweb.cgi?p=3Dnewlib-cygwin.git;h=3D0464f26db0c= 35b01281c5189b35d4388b49507f5 commit 0464f26db0c35b01281c5189b35d4388b49507f5 Author: Randall Stewart Date: Fri Oct 22 07:10:28 2021 -0400 tcp: Add hystart-plus to cc_newreno and rack. =20 TCP Hystart draft version -03: https://datatracker.ietf.org/doc/html/draft-ietf-tcpm-hystartplusplus =20 Is a new version of hystart that allows one to carefully exit slow star= t if the RTT spikes too much. The newer version has a slower-slow-start so to speak = that then kicks in for five round trips. To see if you exited too early, if not i= nto congestion avoidance. This commit will add that feature to our newreno CC and add the needed = bits in rack to be able to enable it. =20 Reviewed by: tuexen Sponsored by: Netflix Inc. Differential Revision: https://reviews.freebsd.org/D32373 Diff: --- newlib/libc/sys/rtems/include/netinet/tcp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/newlib/libc/sys/rtems/include/netinet/tcp.h b/newlib/libc/sys/= rtems/include/netinet/tcp.h index 29c1e376c..e7c47e85b 100644 --- a/newlib/libc/sys/rtems/include/netinet/tcp.h +++ b/newlib/libc/sys/rtems/include/netinet/tcp.h @@ -310,7 +310,7 @@ struct tcphdr { #define TCP_RACK_PACING_BETA_ECN 1139 /* Changing the beta for ecn with pa= cing */ #define TCP_RACK_TIMER_SLOP 1140 /* Set or get the timer slop used */ #define TCP_RACK_DSACK_OPT 1141 /* How do we setup rack timer DSACK optio= ns bit 1/2 */ - +#define TCP_RACK_ENABLE_HYSTART 1142 /* Do we allow hystart in the CC modu= les */ /* Start of reserved space for third-party user-settable options. */ #define TCP_VENDOR SO_VENDOR