Date: Fri, 10 Feb 2012 18:53:40 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r231397 - stable/8/sys/netinet Message-ID: <201202101853.q1AIreuY088243@svn.freebsd.org>
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Author: tuexen Date: Fri Feb 10 18:53:39 2012 New Revision: 231397 URL: http://svn.freebsd.org/changeset/base/231397 Log: MFC r217913: * Use 300 ms as the default for RTO_MIN. * Disable burst mitigation by default. * Remove unused constant. Discussed with rrs. Modified: stable/8/sys/netinet/sctp_constants.h Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/boot/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/e1000/ (props changed) Modified: stable/8/sys/netinet/sctp_constants.h ============================================================================== --- stable/8/sys/netinet/sctp_constants.h Fri Feb 10 18:49:28 2012 (r231396) +++ stable/8/sys/netinet/sctp_constants.h Fri Feb 10 18:53:39 2012 (r231397) @@ -343,8 +343,8 @@ __FBSDID("$FreeBSD$"); */ #define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 -/* default max I can burst out after a fast retransmit */ -#define SCTP_DEF_MAX_BURST 4 +/* default max I can burst out after a fast retransmit, 0 disables it */ +#define SCTP_DEF_MAX_BURST 0 /* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ #define SCTP_FIRST_MBUF_RESV 68 /* Packet transmit states in the sent field */ @@ -642,8 +642,7 @@ __FBSDID("$FreeBSD$"); #define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 #define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ -#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ -#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ +#define SCTP_RTO_LOWER_BOUND (300) /* 0.3 sec is ms */ #define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
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