From patchwork Tue Mar 1 23:20:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Santosh Shilimkar X-Patchwork-Id: 590805 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 014921402CD for ; Wed, 2 Mar 2016 10:22:37 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752624AbcCAXVb (ORCPT ); Tue, 1 Mar 2016 18:21:31 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:29637 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752404AbcCAXV1 (ORCPT ); Tue, 1 Mar 2016 18:21:27 -0500 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u21NLOg1014613 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 1 Mar 2016 23:21:25 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u21NLOhb010903 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Tue, 1 Mar 2016 23:21:24 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u21NLHgj025373; Tue, 1 Mar 2016 23:21:24 GMT Received: from aserv0022.oracle.com (/10.211.55.165) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 01 Mar 2016 15:21:17 -0800 From: Santosh Shilimkar To: netdev@vger.kernel.org, davem@davemloft.net Cc: linux-kernel@vger.kernel.org, Santosh Shilimkar Subject: [net-next][PATCH v3 09/13] RDS: IB: handle the RDMA CM time wait event Date: Tue, 1 Mar 2016 15:20:50 -0800 Message-Id: <1456874454-10355-10-git-send-email-santosh.shilimkar@oracle.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1456874454-10355-1-git-send-email-santosh.shilimkar@oracle.com> References: <1456874454-10355-1-git-send-email-santosh.shilimkar@oracle.com> X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Drop the RDS connection on RDMA_CM_EVENT_TIMEWAIT_EXIT so that it can reconnect and resume. While testing fastreg, this error happened in couple of tests but was getting un-noticed. Signed-off-by: Santosh Shilimkar Signed-off-by: Santosh Shilimkar --- net/rds/rdma_transport.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c index 4f4b3d8..7220beb 100644 --- a/net/rds/rdma_transport.c +++ b/net/rds/rdma_transport.c @@ -117,6 +117,14 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id, rds_conn_drop(conn); break; + case RDMA_CM_EVENT_TIMEWAIT_EXIT: + if (conn) { + pr_info("RDS: RDMA_CM_EVENT_TIMEWAIT_EXIT event: dropping connection %pI4->%pI4\n", + &conn->c_laddr, &conn->c_faddr); + rds_conn_drop(conn); + } + break; + default: /* things like device disconnect? */ printk(KERN_ERR "RDS: unknown event %u (%s)!\n",