From patchwork Wed Sep 16 13:42:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamal Heib X-Patchwork-Id: 7194881 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id CAB26BF036 for ; Wed, 16 Sep 2015 13:43:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D043020862 for ; Wed, 16 Sep 2015 13:43:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D0C6F20861 for ; Wed, 16 Sep 2015 13:43:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752515AbbIPNns (ORCPT ); Wed, 16 Sep 2015 09:43:48 -0400 Received: from [193.47.165.129] ([193.47.165.129]:58699 "EHLO mellanox.co.il" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752553AbbIPNnr (ORCPT ); Wed, 16 Sep 2015 09:43:47 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from kamalh@mellanox.com) with ESMTPS (AES256-SHA encrypted); 16 Sep 2015 16:43:20 +0300 Received: from r-vnc04.mtr.labs.mlnx (r-vnc04.mtr.labs.mlnx [10.208.0.116]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id t8GDh9cO015033; Wed, 16 Sep 2015 16:43:11 +0300 From: Kamal Heib To: Doug Ledford Cc: linux-rdma@vger.kernel.org, Liran Liss , Tal Alon , Kamal Heib , Amir Vadai , Haggai Eran Subject: [PATCH rdma-next 15/32] IB/rxe: Address vector manipulation functions Date: Wed, 16 Sep 2015 16:42:49 +0300 Message-Id: <1442410986-28232-16-git-send-email-kamalh@mellanox.com> X-Mailer: git-send-email 1.7.8.2 In-Reply-To: <1442410986-28232-1-git-send-email-kamalh@mellanox.com> References: <1442410986-28232-1-git-send-email-kamalh@mellanox.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Functions to manipulate Address Vector. Signed-off-by: Kamal Heib Signed-off-by: Amir Vadai Signed-off-by: Haggai Eran --- drivers/staging/rxe/rxe_av.c | 87 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 drivers/staging/rxe/rxe_av.c diff --git a/drivers/staging/rxe/rxe_av.c b/drivers/staging/rxe/rxe_av.c new file mode 100644 index 0000000..cc4b179 --- /dev/null +++ b/drivers/staging/rxe/rxe_av.c @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2015 Mellanox Technologies Ltd. All rights reserved. + * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "rxe.h" +#include "rxe_loc.h" + +int rxe_av_chk_attr(struct rxe_dev *rxe, struct ib_ah_attr *attr) +{ + struct rxe_port *port; + + if (attr->port_num < 1 || attr->port_num > rxe->num_ports) { + pr_info("rxe: invalid port_num = %d\n", attr->port_num); + return -EINVAL; + } + + port = &rxe->port[attr->port_num - 1]; + + if (attr->ah_flags & IB_AH_GRH) { + if (attr->grh.sgid_index > port->attr.gid_tbl_len) { + pr_info("rxe: invalid sgid index = %d\n", + attr->grh.sgid_index); + return -EINVAL; + } + } + + return 0; +} + +int rxe_av_from_attr(struct rxe_dev *rxe, u8 port_num, + struct rxe_av *av, struct ib_ah_attr *attr) +{ + memset(av, 0, sizeof(*av)); + memcpy(&av->grh, &attr->grh, sizeof(attr->grh)); + av->port_num = port_num; + return 0; +} + +int rxe_av_to_attr(struct rxe_dev *rxe, struct rxe_av *av, + struct ib_ah_attr *attr) +{ + memcpy(&attr->grh, &av->grh, sizeof(av->grh)); + attr->port_num = av->port_num; + return 0; +} + +int rxe_av_fill_ip_info(struct rxe_dev *rxe, + struct rxe_av *av, + struct ib_ah_attr *attr, + struct ib_gid_attr *sgid_attr, + union ib_gid *sgid) +{ + rdma_gid2ip(&av->sgid_addr._sockaddr, sgid); + rdma_gid2ip(&av->dgid_addr._sockaddr, &attr->grh.dgid); + av->network_type = ib_gid_to_network_type(sgid_attr->gid_type, sgid); + + return 0; +}