From patchwork Wed Jul 9 16:59:31 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 4518691 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 06EF09F1C4 for ; Wed, 9 Jul 2014 16:59:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 37E112037D for ; Wed, 9 Jul 2014 16:59:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3C185201CE for ; Wed, 9 Jul 2014 16:59:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756493AbaGIQ7f (ORCPT ); Wed, 9 Jul 2014 12:59:35 -0400 Received: from mail-ie0-f171.google.com ([209.85.223.171]:36768 "EHLO mail-ie0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756418AbaGIQ7f (ORCPT ); Wed, 9 Jul 2014 12:59:35 -0400 Received: by mail-ie0-f171.google.com with SMTP id at1so1851481iec.16 for ; Wed, 09 Jul 2014 09:59:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:subject:from:to:date:message-id:in-reply-to:references :user-agent:mime-version:content-type:content-transfer-encoding; bh=gPV7KQy4dfb+6dfxsrXwsP6suOyz43KsRz2BcmFncpw=; b=t41wGY2PpY9BNARSNCT8uwsqppV34bzeL4P2H3RjwVV/JZ6EEJCjEa8cmh/P5OflPk SIWwoxMJwxunvc2Xlp6O+lzjPNHl+TRQ87O1TZ42hgomEfKZfcPV5G1GfgN7BKSebt98 0488Nypz3TPidN/Gv78A7dWJpXYUDXXLM1bhXiKuwE0sw/HPg/nS38BbrLezN2mvpcm7 8lCVGBL1g937WF+LJJZoK9hsaXw6jjqUNgnhNa38kfCz1S2bIqheLCfsNR0IpbKLmXsf lrsHT2XWPSDyxlby0+csolkGrTKAOKZSUc5Rk0KEJ0IFRYXbubfq6BdE7OtrGJEF7pks veUw== X-Received: by 10.43.156.77 with SMTP id ll13mr5084113icc.81.1404925174223; Wed, 09 Jul 2014 09:59:34 -0700 (PDT) Received: from manet.1015granger.net ([2604:8800:100:81fc:82ee:73ff:fe43:d64f]) by mx.google.com with ESMTPSA id qa4sm16948883igb.10.2014.07.09.09.59.32 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 09 Jul 2014 09:59:32 -0700 (PDT) Subject: [PATCH v2 21/21] xprtrdma: Handle additional connection events From: Chuck Lever To: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org Date: Wed, 09 Jul 2014 12:59:31 -0400 Message-ID: <20140709165931.3496.8638.stgit@manet.1015granger.net> In-Reply-To: <20140709163326.3496.37893.stgit@manet.1015granger.net> References: <20140709163326.3496.37893.stgit@manet.1015granger.net> User-Agent: StGit/0.17.1-3-g7d0f MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,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 Commit 38ca83a5 added RDMA_CM_EVENT_TIMEWAIT_EXIT. But that status is relevant only for consumers that re-use their QPs on new connections. xprtrdma creates a fresh QP on reconnection, so that event should be explicitly ignored. Squelch the alarming "unexpected CM event" message. Signed-off-by: Chuck Lever --- net/sunrpc/xprtrdma/verbs.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index bc0909a..9de5965 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -326,8 +326,16 @@ static const char * const conn[] = { "rejected", "established", "disconnected", - "device removal" + "device removal", + "multicast join", + "multicast error", + "address change", + "timewait exit", }; + +#define CONNECTION_MSG(status) \ + ((status) < ARRAY_SIZE(conn) ? \ + conn[(status)] : "unrecognized connection error") #endif static int @@ -385,23 +393,18 @@ rpcrdma_conn_upcall(struct rdma_cm_id *id, struct rdma_cm_event *event) case RDMA_CM_EVENT_DEVICE_REMOVAL: connstate = -ENODEV; connected: - dprintk("RPC: %s: %s: %pI4:%u (ep 0x%p event 0x%x)\n", - __func__, - (event->event <= 11) ? conn[event->event] : - "unknown connection error", - &addr->sin_addr.s_addr, - ntohs(addr->sin_port), - ep, event->event); atomic_set(&rpcx_to_rdmax(ep->rep_xprt)->rx_buf.rb_credits, 1); dprintk("RPC: %s: %sconnected\n", __func__, connstate > 0 ? "" : "dis"); ep->rep_connected = connstate; ep->rep_func(ep); wake_up_all(&ep->rep_connect_wait); - break; + /*FALLTHROUGH*/ default: - dprintk("RPC: %s: unexpected CM event %d\n", - __func__, event->event); + dprintk("RPC: %s: %pI4:%u (ep 0x%p): %s\n", + __func__, &addr->sin_addr.s_addr, + ntohs(addr->sin_port), ep, + CONNECTION_MSG(event->event)); break; }