From patchwork Thu Jun 16 13:45:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moni Shoua X-Patchwork-Id: 9180913 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 110E86075D for ; Thu, 16 Jun 2016 13:47:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0164F27F07 for ; Thu, 16 Jun 2016 13:47:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EA5E528360; Thu, 16 Jun 2016 13:47:24 +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 83C3527F07 for ; Thu, 16 Jun 2016 13:47:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754558AbcFPNrX (ORCPT ); Thu, 16 Jun 2016 09:47:23 -0400 Received: from [193.47.165.129] ([193.47.165.129]:43882 "EHLO mellanox.co.il" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1754554AbcFPNrX (ORCPT ); Thu, 16 Jun 2016 09:47:23 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from monis@mellanox.com) with ESMTPS (AES256-SHA encrypted); 16 Jun 2016 16:46:10 +0300 Received: from r-vnc06.mtr.labs.mlnx (r-vnc06.mtr.labs.mlnx [10.208.0.117]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id u5GDk9e8004942; Thu, 16 Jun 2016 16:46:10 +0300 From: Moni Shoua To: dledford@redhat.com Cc: linux-rdma@vger.kernel.org, matanb@mellanox.com, talal@mellanox.com, leonro@mellanox.com, majd@mellanox.com, yonatanc@mellanox.com, Moni Shoua , Kamal Heib , Amir Vadai Subject: [PATCH v2 rdma-next 13/29] IB/rxe: Address vector manipulation functions Date: Thu, 16 Jun 2016 16:45:35 +0300 Message-Id: <1466084751-29901-14-git-send-email-monis@mellanox.com> X-Mailer: git-send-email 1.7.6.4 In-Reply-To: <1466084751-29901-1-git-send-email-monis@mellanox.com> References: <1466084751-29901-1-git-send-email-monis@mellanox.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.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: Moni Shoua Reviewed-by: Haggai Eran --- drivers/infiniband/hw/rxe/rxe_av.c | 98 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 drivers/infiniband/hw/rxe/rxe_av.c diff --git a/drivers/infiniband/hw/rxe/rxe_av.c b/drivers/infiniband/hw/rxe/rxe_av.c new file mode 100644 index 0000000..5c94742 --- /dev/null +++ b/drivers/infiniband/hw/rxe/rxe_av.c @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2016 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) { + pr_info("rxe: invalid port_num = %d\n", attr->port_num); + return -EINVAL; + } + + port = &rxe->port; + + 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; +} + +struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt) +{ + if (!pkt || !pkt->qp) + return NULL; + + if (qp_type(pkt->qp) == IB_QPT_RC || qp_type(pkt->qp) == IB_QPT_UC) + return &pkt->qp->pri_av; + + return (pkt->wqe) ? &pkt->wqe->av : NULL; +}