From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3759000-1519415848-2-383699635600196882 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=1519415847; b=GEfArWYgDBt9rg28+KahWKhbiKaSQxm93i2H2dAT8EzdBgb nTjAjHcEooFhY/K6jGC3mhPvSnW8zTshYjzNkkDasZJ54PZe6z9EUhCXCg0fO8hz sbkckgv+OZ3M7ppPVdlggcJW6zGFh7b2yufLmzuvnHlCL+yiLPzhVtSFB6xTFySU iH7xmg/7S+kN0t5KDCPrGwTIt4Dh+NJtsm7Ya9PC+RMKIHJ4b6I2H3C5qaqLujD5 eY2EQ7VX6JeLrcHtIl/LE8syb5BBSsA75uewNr7WfpulQM4beVFuAd4paVOhSjhQ 0+4m3fq8bnGoIH8g2M4nqncuYIPNuhXIkyzYOZA== 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=1519415847; bh=aMW1Yu4FWiLDecw/jk6lScSPCO 8dERFEDn8GVida3M4=; b=fTSfiPeOSfe2K4/y7kYSuilFyq8FVB3JfonSnV8dMf 4GufPkFhnn8TEblFaUe/0pmHXZBLP3JoD+VT9Guxh3UShxUgyOfrsIDFIw9M5iV2 n0tq7I8wx37IK6HLXLCbo2YnydaQMzY9yNFIwW0rbJhM/oAPojTphyGSmW8dHjZe c0xTOAfqpyQdIHFXJn6hok5Bjo4mJF059jsQSQEOm4pxVtcQVBzvEK8yQlAF3a2E RcDBWjoB+5WE76Rb7HY9I/6N4h7enwATIt85/QNp8G+KDFiZ766MrxBpHwbi23TO M67dt30jJR1J20JTgF1keVss3Lq0EaAUEv85S3efsZwA== ARC-Authentication-Results: i=1; mx6.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: mx6.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 S1754791AbeBWT5M (ORCPT ); Fri, 23 Feb 2018 14:57:12 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:42572 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933591AbeBWSoc (ORCPT ); Fri, 23 Feb 2018 13:44:32 -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 4.9 055/145] i40iw: Correct ARP index mask Date: Fri, 23 Feb 2018 19:26:01 +0100 Message-Id: <20180223170731.995033360@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180223170724.669759283@linuxfoundation.org> References: <20180223170724.669759283@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: 4.9-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 @@ -1102,7 +1102,7 @@ #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)