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From: "Wiles, Roger Keith" <keith.wiles@windriver.com>
To: Qiaobing Xie <qiaobing.xie@gmail.com>
Thread-Topic: [dpdk-dev] 1.7.0 release failed to compile on linux
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Date: Thu, 14 Aug 2014 21:55:53 +0000
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Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] 1.7.0 release failed to compile on linux
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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 >=3D 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 =3D 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 <qiaobing.xie@gmail.com<mailto:qi=
aobing.xie@gmail.com>> 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=3D3.13.0-32-generic, gcc=3D4.6.3):
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
In file included from /home/qxie/dpdk-1.7.0/lib/librte_eal/linuxapp/kni/eth=
tool/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_ap=
i.h:31,
from /home/qxie/dpdk-1.7.0/build/build/lib/librte_eal/linuxapp/kni/e1000_82=
575.c:38:
/home/qxie/dpdk-1.7.0/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h:385=
3:1: error: conflicting types for =91skb_set_hash=92
/usr/src/linux-headers-3.13.0-32-generic/include/linux/skbuff.h:740:1: note=
: previous definition of =91skb_set_hash=92 was here
make[8]: *** [/home/qxie/dpdk-1.7.0/build/build/lib/librte_eal/linuxapp/kni=
/e1000_82575.o] Error 1
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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_h=
ash' definition code and rte_kni complied fine. But it failed again in libr=
te_pmd_ixgbe:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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 =
=91ixgbe_recv_pkts_vec=92:
/home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:297:3: error: i=
mplicit declaration of function =91_mm_shuffle_epi8=92 [-Werror=3Dimplicit-=
function-declaration]
/home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:297:3: error: n=
ested extern declaration of =91_mm_shuffle_epi8=92 [-Werror=3Dnested-extern=
s]
/home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:297:11: error: =
incompatible types when assigning to type =91__m128i=92 from type =91int=92
/home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:298:11: error: =
incompatible types when assigning to type =91__m128i=92 from type =91int=92
/home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:313:11: error: =
incompatible types when assigning to type =91__m128i=92 from type =91int=92
/home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:314:11: error: =
incompatible types when assigning to type =91__m128i=92 from type =91int=92
/home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:341:3: error: i=
mplicit declaration of function =91_mm_popcnt_u64=92 [-Werror=3Dimplicit-fu=
nction-declaration]
/home/qxie/dpdk-1.7.0/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c:341:3: error: n=
ested extern declaration of =91_mm_popcnt_u64=92 [-Werror=3Dnested-externs]
cc1: all warnings being treated as errors
make[3]: *** [ixgbe_rxtx_vec.o] Error 1
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
My CPU is the older Intel C2D E6550 which does not have sse4.2/sse4.1 suppo=
rt. Is there a way to work around this?
-Q