From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3704313-1519413828-2-2215434395645233320 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1519413828; b=MwP06319/9vCX9uORhGHRTY/DQR2a0xIDn9WugTUJvJcGJT ESC5tCMn71Fto8b0nTbAxaIsXC5bmxe+eCM7xCyKvX0MFChG0EF1kcRhhqOekZZi tr1aLyrbMCjyFYEFJwQN81X8T+ztIUzDdSurVW0y0BJq3tip0L3Toy2xbbZSNk5O CvcbmMk30lEHZ5xV+yQLCDzffUUVMMalSBmtnB8ilJ+zqsq91XYZ1Y7nj8LwtF/E kPsUiefVUS3p+YZLxzS4fiXv07N+kdm29iKhRKYIFXmFzkvxBNEpMgf3/+0F5th6 QZwNi6vbupx+edHgE8ciJcxsXsReg9AWOkIE6ow== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1519413828; bh=XK4JobN+a7IGKPbtANeKtTY5QW t+k9VD9rFcfbxbG8s=; b=j+EX6gQwDxNNTu//XGoap0x+YjVsEhaT5UQrMbuWIY hr4qjr3XgWwrWMN4hz3aWonu06xFh7XXL3bKxKVm+yCeCEF8//8d3JQ9BSqGADl5 IR1p7v3l5IUIlS/qEk3QD+6ewTw0ar7EQ5fyVcGwNFGRVddcx190NdP0TRH0W0Yo WoN9M0bR9ut+TRq5RJbPG8yhuSnB+4gSedyYnX7fpS/KY89MNeQA/3ncl1LCx0rv xIgvpAudAjlfeV5VMnHKpGMIs5XKPgp40/NDUID33wnT1eL7lxYzYydho/hD++6J 5O31TtXyJJXvKU7IxSDvZC2PdwNmVuGVNzIsaTX3gRJQ== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935376AbeBWSxX (ORCPT ); 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 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: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 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)