Date: Tue, 24 Feb 2004 08:44:23 -0700 From: Scott Long <scottl@freebsd.org> To: Andre Oppermann <andre@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/netinet tcp_input.c tcp_subr.c tcp_var.h Message-ID: <403B7157.8030502@freebsd.org> In-Reply-To: <403B6FBB.F1BD933C@freebsd.org> References: <200402241527.i1OFRgdm072232@repoman.freebsd.org> <403B6FBB.F1BD933C@freebsd.org>
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Andre Oppermann wrote: > Andre Oppermann wrote: > >>andre 2004/02/24 07:27:42 PST >> >> FreeBSD src repository >> >> Modified files: >> sys/netinet tcp_input.c tcp_subr.c tcp_var.h >> Log: >> Convert the tcp segment reassembly queue to UMA and limit the maximum >> amount of segments it will hold. >> >> The following tuneables and sysctls control the behaviour of the tcp >> segment reassembly queue: >> >> net.inet.tcp.reass.maxsegments (loader tuneable) >> specifies the maximum number of segments all tcp reassemly queues can >> hold (defaults to 1/16 of nmbclusters). >> >> net.inet.tcp.reass.maxqlen >> specifies the maximum number of segments any individual tcp session queue >> can hold (defaults to 48). >> >> net.inet.tcp.reass.cursegments (readonly) >> counts the number of segments currently in all reassembly queues. >> >> net.inet.tcp.reass.overflows (readonly) >> counts how often either the global or local queue limit has been reached. >> >> Tested by: bms, silby >> Reviewed by: bms, silby > > > This changes sizeof(struct tcpcb) and makes a recompile of libkvm and > related userland network utilities neccessary. > Please make this statement a little louder via a HEADS UP message, and add an entry to src/UPDATING. Thanks! Scott
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