Date: Sun, 21 May 2023 19:01:38 +0000 From: Antoine Brodin <antoine@freebsd.org> To: Randall Stewart <rrs@freebsd.org> Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: 73ee5756dee6 - main - Fixes in the tcp infrastructure with respect to stack changes as well as other infrastructure updates for incoming rack features. Message-ID: <CAALwa8=F0KFu-a%2BQ9L0NdQauahzrTmV%2BXqnMsXuFaDAETLtokQ@mail.gmail.com> In-Reply-To: <202304041231.334CVktq013660@gitrepo.freebsd.org> References: <202304041231.334CVktq013660@gitrepo.freebsd.org>
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On Tue, Apr 4, 2023 at 12:31=E2=80=AFPM Randall Stewart <rrs@freebsd.org> w= rote: > > The branch main has been updated by rrs: > > URL: https://cgit.FreeBSD.org/src/commit/?id=3D73ee5756dee6b2110eb6fb2b2e= f3cde39a1fcb4f > > commit 73ee5756dee6b2110eb6fb2b2ef3cde39a1fcb4f > Author: Randall Stewart <rrs@FreeBSD.org> > AuthorDate: 2023-04-01 05:46:38 +0000 > Commit: Randall Stewart <rrs@FreeBSD.org> > CommitDate: 2023-04-01 05:46:38 +0000 > > Fixes in the tcp infrastructure with respect to stack changes as well= as other infrastructure updates for incoming rack features. > > So stack switching as always been a bit of a issue. We currently use = a break before make setup which means that > if something goes wrong you have to try to get back to a stack. This = patch among a lot of other things changes that so > that it is a make before break. We also expand some of the function b= locks in prep for new features in rack that will allow > more controlled pacing. We also add other abilities such as the pathw= ay for a stack to query a previous stack to acquire from > it critical state information so things in flight don't get dropped o= r mis-handled when switching stacks. We also add the > concept of a timer granularity. This allows an alternate stack to cha= nge from the old ticks granularity to microseconds and > of course this even gives us a pathway to go to nanosecond timekeepin= g if we need to (something for the data center to consider > for sure). > > Once all this lands I will then update rack to begin using all these = new features. > > Reviewed by: tuexen > Sponsored by: Netflix Inc > Differential Revision: https://reviews.freebsd.org/D39210 Hi, Could you hide some stuff in netinet/tcp.h? struct http_req breaks curl 8.1.0. Antoine
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