From patchwork Tue Nov 21 18:45:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Henry Orosco X-Patchwork-Id: 10068753 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 EB4F860375 for ; Tue, 21 Nov 2017 18:45:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DF3AB298C9 for ; Tue, 21 Nov 2017 18:45:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D3BF7298F7; Tue, 21 Nov 2017 18:45:18 +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 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 7A091298E6 for ; Tue, 21 Nov 2017 18:45:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751191AbdKUSpR (ORCPT ); Tue, 21 Nov 2017 13:45:17 -0500 Received: from mga01.intel.com ([192.55.52.88]:41954 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751263AbdKUSpQ (ORCPT ); Tue, 21 Nov 2017 13:45:16 -0500 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Nov 2017 10:45:16 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,432,1505804400"; d="scan'208";a="7936017" Received: from horosco-mobl2.amr.corp.intel.com ([10.122.74.46]) by orsmga001.jf.intel.com with ESMTP; 21 Nov 2017 10:45:15 -0800 From: Henry Orosco To: dledford@redhat.com Cc: linux-rdma@vger.kernel.org, e1000-rdma@lists.sourceforge.net, jgg@mellanox.com, shiraz.saleem@intel.com, Tatyana Nikolova , Henry Orosco Subject: [PATCH v2 6/7] i40iw: Move MPA request event for loopback after connect Date: Tue, 21 Nov 2017 12:45:01 -0600 Message-Id: <20171121184502.14056-7-henry.orosco@intel.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20171121184502.14056-1-henry.orosco@intel.com> References: <20171121184502.14056-1-henry.orosco@intel.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 From: Tatyana Nikolova For loopback, MPA request event is generated when cm_node is initialized, which allows applications to act on the connect request before i40iw_connect() has completed. In some cases, the reject flow executes in parallel with the connect flow and doesn't delete an APBVT entry, because the apbvt_set variable is still not set by the connect flow. Move the MPA request event to the end of i40iw_connect() to notify application for a connect request, after connect has completed. Fixes: f27b4746f378 ("i40iw: add connection management code") Signed-off-by: Tatyana Nikolova Signed-off-by: Henry Orosco Signed-off-by: Shiraz Saleem --- drivers/infiniband/hw/i40iw/i40iw_cm.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c index e145417..3a35d56 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -2947,8 +2947,6 @@ static struct i40iw_cm_node *i40iw_create_cm_node( loopback_remotenode->tcp_cntxt.snd_wnd = cm_node->tcp_cntxt.rcv_wnd; cm_node->tcp_cntxt.snd_wscale = loopback_remotenode->tcp_cntxt.rcv_wscale; loopback_remotenode->tcp_cntxt.snd_wscale = cm_node->tcp_cntxt.rcv_wscale; - loopback_remotenode->state = I40IW_CM_STATE_MPAREQ_RCVD; - i40iw_create_event(loopback_remotenode, I40IW_CM_EVENT_MPA_REQ); } return cm_node; } @@ -3864,6 +3862,11 @@ int i40iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) goto err; } + if (cm_node->loopbackpartner) { + cm_node->loopbackpartner->state = I40IW_CM_STATE_MPAREQ_RCVD; + i40iw_create_event(cm_node->loopbackpartner, I40IW_CM_EVENT_MPA_REQ); + } + i40iw_debug(cm_node->dev, I40IW_DEBUG_CM, "Api - connect(): port=0x%04x, cm_node=%p, cm_id = %p.\n",