From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.windriver.com (mail.windriver.com [147.11.1.11]) by dpdk.org (Postfix) with ESMTP id 5C5F0B361 for ; Fri, 15 Aug 2014 00:18:25 +0200 (CEST) Received: from ALA-HCA.corp.ad.wrs.com (ala-hca.corp.ad.wrs.com [147.11.189.40]) by mail.windriver.com (8.14.9/8.14.5) with ESMTP id s7EMLUBq024305 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Thu, 14 Aug 2014 15:21:30 -0700 (PDT) Received: from [128.224.147.212] (128.224.147.212) by ALA-HCA.corp.ad.wrs.com (147.11.189.50) with Microsoft SMTP Server id 14.3.174.1; Thu, 14 Aug 2014 15:21:30 -0700 Message-ID: <53ED3710.3090008@windriver.com> Date: Thu, 14 Aug 2014 18:24:16 -0400 From: Aws Ismail Organization: Wind River Systems User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130330 Thunderbird/17.0.5 MIME-Version: 1.0 To: Qiaobing Xie References: <53ED2DBF.4070003@gmail.com> <4B613BEE-2D07-417D-ACA3-6C228FADB14E@windriver.com> In-Reply-To: <4B613BEE-2D07-417D-ACA3-6C228FADB14E@windriver.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 8bit Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] 1.7.0 release failed to compile on linux X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: aws.ismail@windriver.com List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Aug 2014 22:18:25 -0000 On 08/14/2014 05:55 PM, Wiles, Roger Keith wrote: > For the SKB function change I had to change the ifdef in the kcompat.h file around line 3848 (I think) to: > > /* #### Changed the next line to use (3,13,8) instead of (3,14,0) KeithW */ > #if ( LINUX_VERSION_CODE < KERNEL_VERSION(3,13,8) ) > #if (!(RHEL_RELEASE_CODE && RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(7,0))) > #ifdef NETIF_F_RXHASH > #define PKT_HASH_TYPE_L3 0 > static inline void > skb_set_hash(struct sk_buff *skb, __u32 hash, __always_unused int type) > { > skb->rxhash = hash; > } > #endif /* NETIF_F_RXHASH */ > #endif /* < RHEL7 */ > #endif /* < 3.14.0 */ > > > Keith Wiles, Principal Technologist with CTO office, Wind River mobile 972-213-5533 > > On Aug 14, 2014, at 4:44 PM, Qiaobing Xie > wrote: > > Hi, > > I got the following error when I tried to compile 1.7.0 release tarball on a Linux box (Ubuntu 12.04/kernel=3.13.0-32-generic, gcc=4.6.3): > > ============ > In file included from /home/qxie/dpdk-1.7.0/lib/librte_eal/linuxapp/kni/ethtool/igb/e1000_osdep.h:41:0, > from /home/qxie/dpdk-1.7.0/lib/librte_eal/linuxapp/kni/ethtool/igb/e1000_hw.h:31, > from /home/qxie/dpdk-1.7.0/lib/librte_eal/linuxapp/kni/ethtool/igb/e1000_api.h:31, > from /home/qxie/dpdk-1.7.0/build/build/lib/librte_eal/linuxapp/kni/e1000_82575.c:38: > /home/qxie/dpdk-1.7.0/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h:3853:1: error: conflicting types for ‘skb_set_hash’ > /usr/src/linux-headers-3.13.0-32-generic/include/linux/skbuff.h:740:1: note: previous definition of ‘skb_set_hash’ was here Last time I checked, I overcame this error by not using the tarball but by simply cloning the dpdk git repo and checking out the v1.7.0-rc4 tag. For example: git clone git://dpdk.org/dpdk git checkout v1.7.0-rc4 git checkout -b dpdk1.7.0-rc4 <---- the branch name is just an example, you could decide on any other name as you see fit. My machine info: 3.11.0-20 kernel, ubuntu 12.04, gcc 4.6.3 From the v1.7.0-rc4 tag, viewing lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h:3848, you could see: #if ( LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0) ) #if (!(RHEL_RELEASE_CODE && RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(7,0))) #ifdef NETIF_F_RXHASH #define PKT_HASH_TYPE_L3 0 static inline void skb_set_hash(struct sk_buff *skb, __u32 hash, __always_unused int type) { skb->rxhash = hash; } #endif /* NETIF_F_RXHASH */ #endif /* < RHEL7 */ #endif /* < 3.14.0 */ > make[8]: *** [/home/qxie/dpdk-1.7.0/build/build/lib/librte_eal/linuxapp/kni/e1000_82575.o] Error 1 > ============ > > Apparently the version check around 'skb_set_hash' in kcompat.h failed for some reason. To work around it, I temporarily commented out that 'skb_set_hash' definition code and rte_kni complied fine. But it failed again in librte_pmd_ixgbe: > > ============= > In file included from /home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:41:0: > /usr/lib/gcc/x86_64-linux-gnu/4.6/include/nmmintrin.h:31:3: error: #error "SSE4.2 instruction set not enabled" > /home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c: In function ‘ixgbe_recv_pkts_vec’: > /home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:297:3: error: implicit declaration of function ‘_mm_shuffle_epi8’ [-Werror=implicit-function-declaration] > /home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:297:3: error: nested extern declaration of ‘_mm_shuffle_epi8’ [-Werror=nested-externs] > /home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:297:11: error: incompatible types when assigning to type ‘__m128i’ from type ‘int’ > /home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:298:11: error: incompatible types when assigning to type ‘__m128i’ from type ‘int’ > /home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:313:11: error: incompatible types when assigning to type ‘__m128i’ from type ‘int’ > /home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:314:11: error: incompatible types when assigning to type ‘__m128i’ from type ‘int’ > /home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:341:3: error: implicit declaration of function ‘_mm_popcnt_u64’ [-Werror=implicit-function-declaration] > /home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:341:3: error: nested extern declaration of ‘_mm_popcnt_u64’ [-Werror=nested-externs] > cc1: all warnings being treated as errors > make[3]: *** [ixgbe_rxtx_vec.o] Error 1 > ============== > > My CPU is the older Intel C2D E6550 which does not have sse4.2/sse4.1 support. Is there a way to work around this? > > -Q > > > > > >