From owner-svn-src-all@freebsd.org Mon Dec 28 18:36:01 2015 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CBA65A52AAF; Mon, 28 Dec 2015 18:36:01 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 76A5A1F54; Mon, 28 Dec 2015 18:36:01 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id tBSIa0Zf001302; Mon, 28 Dec 2015 18:36:00 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id tBSIa0qh001301; Mon, 28 Dec 2015 18:36:00 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201512281836.tBSIa0qh001301@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Mon, 28 Dec 2015 18:36:00 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r292837 - head/sys/dev/mlx5/mlx5_en X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Dec 2015 18:36:01 -0000 Author: hselasky Date: Mon Dec 28 18:36:00 2015 New Revision: 292837 URL: https://svnweb.freebsd.org/changeset/base/292837 Log: Add support for sysctl tunables to 10-stable and older. Pushed through head first to simplify driver maintenance. MFC after: 1 week Submitted by: Drew Gallatin Differential Revision: https://reviews.freebsd.org/D4552 Sponsored by: Mellanox Technologies Modified: head/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c Modified: head/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c ============================================================================== --- head/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c Mon Dec 28 18:29:47 2015 (r292836) +++ head/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c Mon Dec 28 18:36:00 2015 (r292837) @@ -58,13 +58,17 @@ mlx5e_ethtool_handler(SYSCTL_HANDLER_ARG PRIV_LOCK(priv); value = priv->params_ethtool.arg[arg2]; - error = sysctl_handle_64(oidp, &value, 0, req); - if (error || req->newptr == NULL || - value == priv->params_ethtool.arg[arg2]) - goto done; + if (req != NULL) { + error = sysctl_handle_64(oidp, &value, 0, req); + if (error || req->newptr == NULL || + value == priv->params_ethtool.arg[arg2]) + goto done; - /* assign new value */ - priv->params_ethtool.arg[arg2] = value; + /* assign new value */ + priv->params_ethtool.arg[arg2] = value; + } else { + error = 0; + } /* check if device is gone */ if (priv->gone) { @@ -483,10 +487,30 @@ mlx5e_create_ethtool(struct mlx5e_priv * CTLFLAG_MPSAFE, priv, x, &mlx5e_ethtool_handler, "QU", mlx5e_params_desc[2 * x + 1]); } else { +#if (__FreeBSD_version < 1100000) + char path[64]; +#endif + /* + * NOTE: In FreeBSD-11 and newer the + * CTLFLAG_RWTUN flag will take care of + * loading default sysctl value from the + * kernel environment, if any: + */ SYSCTL_ADD_PROC(&priv->sysctl_ctx, SYSCTL_CHILDREN(node), OID_AUTO, mlx5e_params_desc[2 * x], CTLTYPE_U64 | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, priv, x, &mlx5e_ethtool_handler, "QU", mlx5e_params_desc[2 * x + 1]); + +#if (__FreeBSD_version < 1100000) + /* compute path for sysctl */ + snprintf(path, sizeof(path), "dev.mce.%d.conf.%s", + device_get_unit(priv->mdev->pdev->dev.bsddev), + mlx5e_params_desc[2 * x]); + + /* try to fetch tunable, if any */ + if (TUNABLE_QUAD_FETCH(path, &priv->params_ethtool.arg[x])) + mlx5e_ethtool_handler(NULL, priv, x, NULL); +#endif } }