From patchwork Tue Nov 21 22:18:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Henry Orosco X-Patchwork-Id: 10068981 X-Patchwork-Delegate: jgg@ziepe.ca 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 99EDD602B7 for ; Tue, 21 Nov 2017 22:18:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 825FC2996C for ; Tue, 21 Nov 2017 22:18:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 76D5A29A8F; Tue, 21 Nov 2017 22:18:48 +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 12DCA2996C for ; Tue, 21 Nov 2017 22:18:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751408AbdKUWSr (ORCPT ); Tue, 21 Nov 2017 17:18:47 -0500 Received: from mga14.intel.com ([192.55.52.115]:26481 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751451AbdKUWSq (ORCPT ); Tue, 21 Nov 2017 17:18:46 -0500 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Nov 2017 14:18:46 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,432,1505804400"; d="scan'208";a="5533016" Received: from horosco-mobl2.amr.corp.intel.com ([10.122.74.46]) by fmsmga001.fm.intel.com with ESMTP; 21 Nov 2017 14:18:46 -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, Mustafa Ismail Subject: [PATCH v3 3/5] i40iw: Correct ARP index mask Date: Tue, 21 Nov 2017 16:18:32 -0600 Message-Id: <20171121221834.12524-4-henry.orosco@intel.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20171121221834.12524-1-henry.orosco@intel.com> References: <20171121221834.12524-1-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: Mustafa Ismail i40iw: Correct ARP index mask The ARP table entry indexes are aliased to 12bits instead of the intended 16bits when uploaded to the QP Context. This will present an issue when the number of connections exceeds 4096 as ARP entries are reused. Fix this by adjusting the mask to account for the full 16bits. Fixes: 4e9042e647ff ("i40iw: add hw and utils files") Signed-off-by: Mustafa Ismail Signed-off-by: Shiraz Saleem --- drivers/infiniband/hw/i40iw/i40iw_d.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/i40iw/i40iw_d.h b/drivers/infiniband/hw/i40iw/i40iw_d.h index 1077b78..029083c 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_d.h +++ b/drivers/infiniband/hw/i40iw/i40iw_d.h @@ -1114,7 +1114,7 @@ #define I40IWQPC_VLANTAG_MASK (0xffffULL << I40IWQPC_VLANTAG_SHIFT) #define I40IWQPC_ARPIDX_SHIFT 48 -#define I40IWQPC_ARPIDX_MASK (0xfffULL << I40IWQPC_ARPIDX_SHIFT) +#define I40IWQPC_ARPIDX_MASK (0xffffULL << I40IWQPC_ARPIDX_SHIFT) #define I40IWQPC_FLOWLABEL_SHIFT 0 #define I40IWQPC_FLOWLABEL_MASK (0xfffffUL << I40IWQPC_FLOWLABEL_SHIFT)