Received: by 10.223.185.116 with SMTP id b49csp1071921wrg; Fri, 23 Feb 2018 11:24:23 -0800 (PST) X-Google-Smtp-Source: AH8x2252jAdlMU9uVhVchHSV13xAG7k70LIjvGzi9fiUBpnTgdN6e0ugwS8zg9mLPMZLzX2QoViZ X-Received: by 10.101.97.139 with SMTP id c11mr2203787pgv.443.1519413863334; Fri, 23 Feb 2018 11:24:23 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1519413863; cv=none; d=google.com; s=arc-20160816; b=nyn0EycTykxCZ7onakPPM/xQzHSCNuVGPr1SAZ0vQnLKpekEdJQmMOCJmipluWtlXA aMpFSKSTUDOKOBpJhIgqO2j6JY0LKHwQ46Y6QK8MGKbI9MGlcNVl87xEYdltGkSHCOTL 431E+yH8md2d7+HdVrSgpKdha8BrRZf4euGsQ6dHwN3fKzBV+fS22MdnDy1H8EvEKofQ dJNv9CMS3xCFr60AohYupfTJpx9bGNYXzLpSeYTFR2qxIysKqYP/EVwbLk3ikMeAGP5J FigODv9EswUTWJAc+8i9Zv6mwKNToYgyz/GEcdynGMfojLTAN89psKRDmTd64bJbKBN7 T7Gg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=XK4JobN+a7IGKPbtANeKtTY5QWt+k9VD9rFcfbxbG8s=; b=hZlO/BZCV8w2jhfePmF3ArQ4r9uELhhT9GlxJU6rA3Pfs0CdVMxEWk8NQogD4R6BT5 /I3+SbApdGY+fMr7jw9r40CPPVVZUQdNlT50uRy97LwyeUW8/zYjcjpdJ1DkxPHxUUiJ T4K928wRWq7nTd0B7xfdanJ+nv3r58j2REDZ+zdoqH2f2b7NbJK/y74NKMxh1Uof4TAa 3ncIwwgCh36QYtPziydvRW3UwW8Lm34VH4x7fXTKkCCsnNqADnhkMP1swQXWelN9rkLV KozwdWmqF8MJlat6LwXF6zUVm0q3MkOKQxdHQjUst70yVz4uoavcPXmMicge81eyccsY HVSw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q5si2193306pff.398.2018.02.23.11.24.08; Fri, 23 Feb 2018 11:24:23 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935387AbeBWSxX (ORCPT + 99 others); Fri, 23 Feb 2018 13:53:23 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:47308 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935345AbeBWSxV (ORCPT ); Fri, 23 Feb 2018 13:53:21 -0500 Received: from localhost (LFbn-1-12258-90.w90-92.abo.wanadoo.fr [90.92.71.90]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 5047CFCE; Fri, 23 Feb 2018 18:53:20 +0000 (UTC) From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Mustafa Ismail , Shiraz Saleem , Jason Gunthorpe , Sasha Levin Subject: [PATCH 4.14 091/159] i40iw: Correct ARP index mask Date: Fri, 23 Feb 2018 19:26:39 +0100 Message-Id: <20180223170754.529752280@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180223170743.086611315@linuxfoundation.org> References: <20180223170743.086611315@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mustafa Ismail [ Upstream commit a283cdc4d3670700182c820b59078387f9a01a30 ] 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 Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/i40iw/i40iw_d.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/infiniband/hw/i40iw/i40iw_d.h +++ b/drivers/infiniband/hw/i40iw/i40iw_d.h @@ -1109,7 +1109,7 @@ #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)