From patchwork Fri Jan 8 08:21:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ruifeng Wang X-Patchwork-Id: 86177 Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (xvm-189-124.dc0.ghst.net [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id C0253A0524; Fri, 8 Jan 2021 09:21:49 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id AFF4B140E55; Fri, 8 Jan 2021 09:21:49 +0100 (CET) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mails.dpdk.org (Postfix) with ESMTP id 3BD4A140D48 for ; Fri, 8 Jan 2021 09:21:48 +0100 (CET) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A7B3531B; Fri, 8 Jan 2021 00:21:47 -0800 (PST) Received: from net-arm-n1amp-01.shanghai.arm.com (net-arm-n1amp-01.shanghai.arm.com [10.169.208.220]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 27B053F70D; Fri, 8 Jan 2021 00:21:44 -0800 (PST) From: Ruifeng Wang To: Cc: dev@dpdk.org, nd@arm.com, vladimir.medvedkin@intel.com, jerinj@marvell.com, drc@linux.vnet.ibm.com, honnappa.nagarahalli@arm.com, Ruifeng Wang Date: Fri, 8 Jan 2021 08:21:22 +0000 Message-Id: <20210108082127.1061538-1-ruifeng.wang@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH 0/4] lpm lookupx4 fixes X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This series fixed bug in lpm4 vector lookup implementations. When more than 256 tbl8 groups are created, lookupx4 could retrieve next hop data from wrong group. The bug is there since next_hop field was expanded from 8-bit to 24-bit, and inherited by other implementations. Also updated test case to improve coverage to detect such failure. Ruifeng Wang (4): lpm: fix vector lookup for Arm lpm: fix vector lookup for x86 lpm: fix vector lookup for ppc64 test/lpm: improve coverage on tbl8 app/test/test_lpm.c | 22 ++++++++++++++-------- lib/librte_lpm/rte_lpm_altivec.h | 8 ++++---- lib/librte_lpm/rte_lpm_neon.h | 8 ++++---- lib/librte_lpm/rte_lpm_sse.h | 8 ++++---- 4 files changed, 26 insertions(+), 20 deletions(-) Acked-by: Vladimir Medvedkin