From patchwork Mon Jun 15 08:47:15 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Haggai Eran X-Patchwork-Id: 6606811 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 0BBAAC0433 for ; Mon, 15 Jun 2015 08:48:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1458B205B3 for ; Mon, 15 Jun 2015 08:48:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1198C202F2 for ; Mon, 15 Jun 2015 08:48:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754203AbbFOIsq (ORCPT ); Mon, 15 Jun 2015 04:48:46 -0400 Received: from [193.47.165.129] ([193.47.165.129]:41484 "EHLO mellanox.co.il" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751554AbbFOIs2 (ORCPT ); Mon, 15 Jun 2015 04:48:28 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from haggaie@mellanox.com) with ESMTPS (AES256-SHA encrypted); 15 Jun 2015 11:47:03 +0300 Received: from gen-l-vrt-034.mtl.labs.mlnx (gen-l-vrt-034.mtl.labs.mlnx [10.137.34.1]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id t5F8lItN003622; Mon, 15 Jun 2015 11:47:19 +0300 From: Haggai Eran To: Doug Ledford Cc: linux-rdma@vger.kernel.org, netdev@vger.kernel.org, Liran Liss , Guy Shapiro , Shachar Raindel , Yotam Kenneth , Jason Gunthorpe , Haggai Eran Subject: [PATCH 10/11] IB/cma: Share ib_cm_ids between rdma_cm_ids Date: Mon, 15 Jun 2015 11:47:15 +0300 Message-Id: <1434358036-15526-11-git-send-email-haggaie@mellanox.com> X-Mailer: git-send-email 1.7.11.2 In-Reply-To: <1434358036-15526-1-git-send-email-haggaie@mellanox.com> References: <1434358036-15526-1-git-send-email-haggaie@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=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Use ib_cm_id_create_and_listen to create listening IB CM IDs or share existing ones if needed. When given a request on a specific CM ID, the code now matches the request to the RDMA CM ID based on the request parameters, so it no longer needs to rely on the ib_cm's private data matching capabilities. Signed-off-by: Haggai Eran --- drivers/infiniband/core/cma.c | 60 ++++--------------------------------------- 1 file changed, 5 insertions(+), 55 deletions(-) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 74e562ec5b93..c6d5fa7ab64a 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1722,42 +1722,6 @@ __be64 rdma_get_service_id(struct rdma_cm_id *id, struct sockaddr *addr) } EXPORT_SYMBOL(rdma_get_service_id); -static void cma_set_compare_data(enum rdma_port_space ps, struct sockaddr *addr, - struct ib_cm_compare_data *compare) -{ - struct cma_hdr *cma_data, *cma_mask; - __be32 ip4_addr; - struct in6_addr ip6_addr; - - memset(compare, 0, sizeof *compare); - cma_data = (void *) compare->data; - cma_mask = (void *) compare->mask; - - switch (addr->sa_family) { - case AF_INET: - ip4_addr = ((struct sockaddr_in *) addr)->sin_addr.s_addr; - cma_set_ip_ver(cma_data, 4); - cma_set_ip_ver(cma_mask, 0xF); - if (!cma_any_addr(addr)) { - cma_data->dst_addr.ip4.addr = ip4_addr; - cma_mask->dst_addr.ip4.addr = htonl(~0); - } - break; - case AF_INET6: - ip6_addr = ((struct sockaddr_in6 *) addr)->sin6_addr; - cma_set_ip_ver(cma_data, 6); - cma_set_ip_ver(cma_mask, 0xF); - if (!cma_any_addr(addr)) { - cma_data->dst_addr.ip6 = ip6_addr; - memset(&cma_mask->dst_addr.ip6, 0xFF, - sizeof cma_mask->dst_addr.ip6); - } - break; - default: - break; - } -} - static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event) { struct rdma_id_private *id_priv = iw_id->context; @@ -1911,33 +1875,19 @@ out: static int cma_ib_listen(struct rdma_id_private *id_priv) { - struct ib_cm_compare_data compare_data; struct sockaddr *addr; struct ib_cm_id *id; __be64 svc_id; - int ret; - id = ib_create_cm_id(id_priv->id.device, cma_req_handler, id_priv); + addr = cma_src_addr(id_priv); + svc_id = rdma_get_service_id(&id_priv->id, addr); + id = ib_cm_id_create_and_listen(id_priv->id.device, cma_req_handler, + svc_id, 0); if (IS_ERR(id)) return PTR_ERR(id); - id_priv->cm_id.ib = id; - addr = cma_src_addr(id_priv); - svc_id = rdma_get_service_id(&id_priv->id, addr); - if (cma_any_addr(addr) && !id_priv->afonly) - ret = ib_cm_listen(id_priv->cm_id.ib, svc_id, 0, NULL); - else { - cma_set_compare_data(id_priv->id.ps, addr, &compare_data); - ret = ib_cm_listen(id_priv->cm_id.ib, svc_id, 0, &compare_data); - } - - if (ret) { - ib_destroy_cm_id(id_priv->cm_id.ib); - id_priv->cm_id.ib = NULL; - } - - return ret; + return 0; } static int cma_iw_listen(struct rdma_id_private *id_priv, int backlog)