Mercurial > illumos > illumos-gate
changeset 3430:40584439315b
6513446 ETSI TS 102 144 requires that SCTP delayed SACK frequency to be tunable
author | kcpoon |
---|---|
date | Wed, 17 Jan 2007 08:17:24 -0800 |
parents | cce097545bd7 |
children | 9f2d277dcffa |
files | usr/src/uts/common/inet/sctp/sctp_impl.h usr/src/uts/common/inet/sctp/sctp_input.c usr/src/uts/common/inet/sctp/sctp_param.c usr/src/uts/common/inet/sctp/sctp_timer.c |
diffstat | 4 files changed, 14 insertions(+), 10 deletions(-) [+] |
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--- a/usr/src/uts/common/inet/sctp/sctp_impl.h Wed Jan 17 02:06:46 2007 -0800 +++ b/usr/src/uts/common/inet/sctp/sctp_impl.h Wed Jan 17 08:17:24 2007 -0800 @@ -20,7 +20,7 @@ */ /* - * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -148,6 +148,7 @@ #define sctp_slow_start_after_idle sctp_param_arr[34].sctp_param_val #define sctp_prsctp_enabled sctp_param_arr[35].sctp_param_val #define sctp_fast_rxt_thresh sctp_param_arr[36].sctp_param_val +#define sctp_deferred_acks_max sctp_param_arr[37].sctp_param_val /* * sctp_wroff_xtra is the extra space in front of SCTP/IP header for link * layer header. It has to be a multiple of 4.
--- a/usr/src/uts/common/inet/sctp/sctp_input.c Wed Jan 17 02:06:46 2007 -0800 +++ b/usr/src/uts/common/inet/sctp/sctp_input.c Wed Jan 17 08:17:24 2007 -0800 @@ -20,7 +20,7 @@ */ /* - * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -1621,19 +1621,21 @@ size_t slen; sctp_chunk_hdr_t *sch; sctp_sack_chunk_t *sc; + int32_t acks_max; if (sctp->sctp_force_sack) { sctp->sctp_force_sack = 0; goto checks_done; } + acks_max = sctp_deferred_acks_max; if (sctp->sctp_state == SCTPS_ESTABLISHED) { - if (sctp->sctp_sack_toggle < 2) { + if (sctp->sctp_sack_toggle < acks_max) { /* no need to SACK right now */ dprint(2, ("sctp_make_sack: %p no sack (toggle)\n", (void *)sctp)); return (NULL); - } else if (sctp->sctp_sack_toggle >= 2) { + } else if (sctp->sctp_sack_toggle >= acks_max) { sctp->sctp_sack_toggle = 0; } }
--- a/usr/src/uts/common/inet/sctp/sctp_param.c Wed Jan 17 02:06:46 2007 -0800 +++ b/usr/src/uts/common/inet/sctp/sctp_param.c Wed Jan 17 08:17:24 2007 -0800 @@ -2,9 +2,8 @@ * CDDL HEADER START * * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. @@ -19,8 +18,9 @@ * * CDDL HEADER END */ + /* - * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -125,6 +125,7 @@ { 1, 16384, 4, "sctp_slow_start_after_idle"}, { 0, 1, 1, "sctp_prsctp_enabled"}, { 1, 10000, 3, "sctp_fast_rxt_thresh"}, + { 1, 16, 2, "sctp_deferred_acks_max"}, }; /* END CSTYLED */
--- a/usr/src/uts/common/inet/sctp/sctp_timer.c Wed Jan 17 02:06:46 2007 -0800 +++ b/usr/src/uts/common/inet/sctp/sctp_timer.c Wed Jan 17 08:17:24 2007 -0800 @@ -20,7 +20,7 @@ */ /* - * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -365,7 +365,7 @@ sctp_ack_timer(sctp_t *sctp) { sctp->sctp_ack_timer_running = 0; - sctp->sctp_sack_toggle = 2; + sctp->sctp_sack_toggle = sctp_deferred_acks_max; BUMP_MIB(&sctp_mib, sctpOutAckDelayed); sctp_sack(sctp, NULL); }