svn commit: r217913 - head/sys/netinet
Michael Tuexen
tuexen at FreeBSD.org
Wed Jan 26 21:38:18 UTC 2011
Author: tuexen
Date: Wed Jan 26 21:38:17 2011
New Revision: 217913
URL: http://svn.freebsd.org/changeset/base/217913
Log:
* Use 300 ms as the default for RTO_MIN.
* Disable burst mitigation by default.
* Remove unused constant.
Discussed with rrs.
MFC after: 3 months.
Modified:
head/sys/netinet/sctp_constants.h
Modified: head/sys/netinet/sctp_constants.h
==============================================================================
--- head/sys/netinet/sctp_constants.h Wed Jan 26 21:22:06 2011 (r217912)
+++ head/sys/netinet/sctp_constants.h Wed Jan 26 21:38:17 2011 (r217913)
@@ -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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