From owner-svn-src-head@freebsd.org Thu Jun 15 11:56:41 2017 Return-Path: Delivered-To: svn-src-head@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 98140D889B9; Thu, 15 Jun 2017 11:56:41 +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 6306172B72; Thu, 15 Jun 2017 11:56:41 +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 v5FBue2I046434; Thu, 15 Jun 2017 11:56:40 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v5FBuexY046433; Thu, 15 Jun 2017 11:56:40 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201706151156.v5FBuexY046433@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Thu, 15 Jun 2017 11:56:40 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r319972 - head/sys/dev/mlx4/mlx4_en X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Jun 2017 11:56:41 -0000 Author: hselasky Date: Thu Jun 15 11:56:40 2017 New Revision: 319972 URL: https://svnweb.freebsd.org/changeset/base/319972 Log: Use static device numbering instead of dynamic one when creating mlx4en network interfaces. This prevents infinite unit number growth typically when the mlx4en driver is used inside virtual machines which support runtime PCI attach and detach. MFC after: 3 days Sponsored by: Mellanox Technologies Modified: head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c Modified: head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c ============================================================================== --- head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c Thu Jun 15 07:15:05 2017 (r319971) +++ head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c Thu Jun 15 11:56:40 2017 (r319972) @@ -54,7 +54,6 @@ static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv); static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv); -static int mlx4_en_unit; #ifdef CONFIG_NET_RX_BUSY_POLL /* must be called with local_bh_disable()d */ @@ -2052,7 +2051,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int return -ENOMEM; } dev->if_softc = priv; - if_initname(dev, "mlxen", atomic_fetchadd_int(&mlx4_en_unit, 1)); + if_initname(dev, "mlxen", (device_get_unit( + mdev->pdev->dev.bsddev) * MLX4_MAX_PORTS) + port - 1); dev->if_mtu = ETHERMTU; dev->if_init = mlx4_en_open; dev->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;