From owner-dev-commits-src-main@freebsd.org Fri Jun 11 13:40:41 2021 Return-Path: Delivered-To: dev-commits-src-main@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id F075E65F388; Fri, 11 Jun 2021 13:40:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4G1hn56T1mz3FMc; Fri, 11 Jun 2021 13:40:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C5C1D23B20; Fri, 11 Jun 2021 13:40:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 15BDefGG077898; Fri, 11 Jun 2021 13:40:41 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 15BDefYe077897; Fri, 11 Jun 2021 13:40:41 GMT (envelope-from git) Date: Fri, 11 Jun 2021 13:40:41 GMT Message-Id: <202106111340.15BDefYe077897@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Michael Tuexen Subject: git: fa3746be4203 - main - tcp: fix two bugs in new reno MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: tuexen X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: fa3746be4203fc9a3414afb21d964eec8bad74f8 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Jun 2021 13:40:42 -0000 The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=fa3746be4203fc9a3414afb21d964eec8bad74f8 commit fa3746be4203fc9a3414afb21d964eec8bad74f8 Author: Michael Tuexen AuthorDate: 2021-06-11 13:37:39 +0000 Commit: Michael Tuexen CommitDate: 2021-06-11 13:40:34 +0000 tcp: fix two bugs in new reno * Completely initialise the CC module specific data * Use beta_ecn in case of an ECN event whenever ABE is enabled or it is requested by the stack. Reviewed by: rscheff, rrs MFC after: 3 days Sponsored by: Netflix, Inc. --- sys/netinet/cc/cc_newreno.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sys/netinet/cc/cc_newreno.c b/sys/netinet/cc/cc_newreno.c index 8f8ca953169e..8f939ad70695 100644 --- a/sys/netinet/cc/cc_newreno.c +++ b/sys/netinet/cc/cc_newreno.c @@ -111,6 +111,7 @@ newreno_malloc(struct cc_var *ccv) /* NB: nreno is not zeroed, so initialise all fields. */ nreno->beta = V_newreno_beta; nreno->beta_ecn = V_newreno_beta_ecn; + nreno->newreno_flags = 0; ccv->cc_data = nreno; } @@ -254,8 +255,9 @@ newreno_cong_signal(struct cc_var *ccv, uint32_t type) * has set a flag in our newreno_flags (due to pacing) telling * us to use the lower valued back-off. */ - if (V_cc_do_abe || - (nreno && (nreno->newreno_flags & CC_NEWRENO_BETA_ECN) && (type == CC_ECN))) + if ((type == CC_ECN) && + (V_cc_do_abe || + ((nreno != NULL) && (nreno->newreno_flags & CC_NEWRENO_BETA_ECN)))) factor = beta_ecn; else factor = beta;