From owner-dev-commits-src-main@freebsd.org Wed May 19 22:57:39 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 9B83C64E0B3; Wed, 19 May 2021 22:57:39 +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 4FlpDL662Mz4Rmr; Wed, 19 May 2021 22:57:38 +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 76F631B210; Wed, 19 May 2021 22:57:37 +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 14JMvbhB021641; Wed, 19 May 2021 22:57:37 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 14JMvbfE021640; Wed, 19 May 2021 22:57:37 GMT (envelope-from git) Date: Wed, 19 May 2021 22:57:37 GMT Message-Id: <202105192257.14JMvbfE021640@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: John Baldwin Subject: git: 3bede2908acc - main - cxgbei: Add tunable sysctls for the FirstBurstLength and MaxBurstLength. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: jhb X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 3bede2908acc6cbc8e809d63d7c9b5fd95932dfb 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: Wed, 19 May 2021 22:57:39 -0000 The branch main has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=3bede2908acc6cbc8e809d63d7c9b5fd95932dfb commit 3bede2908acc6cbc8e809d63d7c9b5fd95932dfb Author: John Baldwin AuthorDate: 2021-05-19 22:56:54 +0000 Commit: John Baldwin CommitDate: 2021-05-19 22:56:54 +0000 cxgbei: Add tunable sysctls for the FirstBurstLength and MaxBurstLength. Reviewed by: np Sponsored by: Chelsio Communications Differential Revision: https://reviews.freebsd.org/D30269 --- sys/dev/cxgbe/cxgbei/icl_cxgbei.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/sys/dev/cxgbe/cxgbei/icl_cxgbei.c b/sys/dev/cxgbe/cxgbei/icl_cxgbei.c index d54464b63542..fce593b54032 100644 --- a/sys/dev/cxgbe/cxgbei/icl_cxgbei.c +++ b/sys/dev/cxgbe/cxgbei/icl_cxgbei.c @@ -104,6 +104,12 @@ static MALLOC_DEFINE(M_CXGBEI, "cxgbei", "cxgbei(4)"); SYSCTL_NODE(_kern_icl, OID_AUTO, cxgbei, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Chelsio iSCSI offload"); +static int first_burst_length = 8192; +SYSCTL_INT(_kern_icl_cxgbei, OID_AUTO, first_burst_length, CTLFLAG_RWTUN, + &first_burst_length, 0, "First burst length"); +static int max_burst_length = 2 * 1024 * 1024; +SYSCTL_INT(_kern_icl_cxgbei, OID_AUTO, max_burst_length, CTLFLAG_RWTUN, + &max_burst_length, 0, "Maximum burst length"); static int sendspace = 1048576; SYSCTL_INT(_kern_icl_cxgbei, OID_AUTO, sendspace, CTLFLAG_RWTUN, &sendspace, 0, "Default send socket buffer size"); @@ -1206,8 +1212,8 @@ icl_cxgbei_limits(struct icl_drv_limits *idl) idl->idl_max_send_data_segment_length = (1 << 24) - 1; /* These are somewhat arbitrary. */ - idl->idl_max_burst_length = 2 * 1024 * 1024; - idl->idl_first_burst_length = 8192; + idl->idl_max_burst_length = max_burst_length; + idl->idl_first_burst_length = first_burst_length; t4_iterate(cxgbei_limits, idl);