From owner-svn-src-all@freebsd.org Wed May 8 10:38:32 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4D73215A4DBE; Wed, 8 May 2019 10:38:32 +0000 (UTC) (envelope-from hselasky@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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id DA9B1973C0; Wed, 8 May 2019 10:38:31 +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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id B565D4A3E; Wed, 8 May 2019 10:38:31 +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 x48AcV9l045475; Wed, 8 May 2019 10:38:31 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x48AcVNH045474; Wed, 8 May 2019 10:38:31 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201905081038.x48AcVNH045474@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Wed, 8 May 2019 10:38:31 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r347269 - head/sys/dev/mlx5/mlx5_core X-SVN-Group: head X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: head/sys/dev/mlx5/mlx5_core X-SVN-Commit-Revision: 347269 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: DA9B1973C0 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.95)[-0.953,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 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: Wed, 08 May 2019 10:38:32 -0000 Author: hselasky Date: Wed May 8 10:38:31 2019 New Revision: 347269 URL: https://svnweb.freebsd.org/changeset/base/347269 Log: Add sysctl(8) to control fast unload support in mlx5core. MFC after: 3 days Sponsored by: Mellanox Technologies Modified: head/sys/dev/mlx5/mlx5_core/mlx5_main.c Modified: head/sys/dev/mlx5/mlx5_core/mlx5_main.c ============================================================================== --- head/sys/dev/mlx5/mlx5_core/mlx5_main.c Wed May 8 10:38:06 2019 (r347268) +++ head/sys/dev/mlx5/mlx5_core/mlx5_main.c Wed May 8 10:38:31 2019 (r347269) @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2013-2017, Mellanox Technologies, Ltd. All rights reserved. + * Copyright (c) 2013-2019, Mellanox Technologies, Ltd. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -68,6 +68,11 @@ MODULE_PARM_DESC(prof_sel, "profile selector. Valid ra SYSCTL_NODE(_hw, OID_AUTO, mlx5, CTLFLAG_RW, 0, "mlx5 HW controls"); +static int mlx5_fast_unload_enabled = 1; +SYSCTL_INT(_hw_mlx5, OID_AUTO, fast_unload_enabled, CTLFLAG_RWTUN, + &mlx5_fast_unload_enabled, 0, + "Set to enable fast unload. Clear to disable."); + #define NUMA_NO_NODE -1 static LIST_HEAD(intf_list); @@ -1417,6 +1422,11 @@ static int mlx5_try_fast_unload(struct mlx5_core_dev * { bool fast_teardown, force_teardown; int err; + + if (!mlx5_fast_unload_enabled) { + mlx5_core_dbg(dev, "fast unload is disabled by user\n"); + return -EOPNOTSUPP; + } fast_teardown = MLX5_CAP_GEN(dev, fast_teardown); force_teardown = MLX5_CAP_GEN(dev, force_teardown);