From patchwork Thu Jun 23 19:52:58 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Jurgens X-Patchwork-Id: 9195915 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id F210E6075A for ; Thu, 23 Jun 2016 19:57:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E422828470 for ; Thu, 23 Jun 2016 19:57:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D6F0328472; Thu, 23 Jun 2016 19:57:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6ABB228470 for ; Thu, 23 Jun 2016 19:57:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751390AbcFWT5Y (ORCPT ); Thu, 23 Jun 2016 15:57:24 -0400 Received: from [193.47.165.129] ([193.47.165.129]:41489 "EHLO mellanox.co.il" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750890AbcFWT5Y (ORCPT ); Thu, 23 Jun 2016 15:57:24 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from danielj@mellanox.com) with ESMTPS (AES256-SHA encrypted); 23 Jun 2016 22:53:56 +0300 Received: from x-vnc01.mtx.labs.mlnx (x-vnc01.mtx.labs.mlnx [10.12.150.16]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id u5NJr2DL029223; Thu, 23 Jun 2016 22:53:54 +0300 From: Dan Jurgens To: chrisw@sous-sol.org, paul@paul-moore.com, sds@tycho.nsa.gov, eparis@parisplace.org, dledford@redhat.com, sean.hefty@intel.com, hal.rosenstock@gmail.com Cc: selinux@tycho.nsa.gov, linux-security-module@vger.kernel.org, linux-rdma@vger.kernel.org, yevgenyp@mellanox.com, Daniel Jurgens Subject: [PATCH 12/12] IB/core: Implement the Infiniband flush callback Date: Thu, 23 Jun 2016 22:52:58 +0300 Message-Id: <1466711578-64398-13-git-send-email-danielj@mellanox.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1466711578-64398-1-git-send-email-danielj@mellanox.com> References: <1466711578-64398-1-git-send-email-danielj@mellanox.com> Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: X-Virus-Scanned: ClamAV using ClamSMTP From: Daniel Jurgens Register the callback at init and unregister it at cleanup. When called walk the device list and call ib_security_cache_change for each port on each device. Signed-off-by: Daniel Jurgens Reviewed-by: Eli Cohen Reviewed-by: Leon Romanovsky --- drivers/infiniband/core/device.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 63deb5c..5060a7f 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -335,6 +335,29 @@ static int setup_port_pkey_list(struct ib_device *device) return 0; } +static void ib_security_flush(void) +{ + struct ib_device *dev; + + down_read(&lists_rwsem); + list_for_each_entry(dev, &device_list, core_list) { + int i; + + for (i = rdma_start_port(dev); i <= rdma_end_port(dev); i++) { + u64 sp; + int ret = ib_get_cached_subnet_prefix(dev, + i, + &sp); + + WARN_ONCE(ret, + "ib_get_cached_subnet_prefix err: %d, this should never happen here\n", + ret); + ib_security_cache_change(dev, i, sp); + } + } + up_read(&lists_rwsem); +} + /** * ib_register_device - Register an IB device with IB core * @device:Device to register @@ -1062,6 +1085,8 @@ static int __init ib_core_init(void) goto err_sa; } + security_register_ib_flush_callback(&ib_security_flush); + ib_cache_setup(); return 0; @@ -1085,6 +1110,7 @@ err: static void __exit ib_core_cleanup(void) { + security_unregister_ib_flush_callback(); ib_cache_cleanup(); ib_remove_ibnl_clients(); ib_sa_cleanup();