From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <bruce.richardson@intel.com>
Received: from mga09.intel.com (mga09.intel.com [134.134.136.24])
 by dpdk.org (Postfix) with ESMTP id 93D8558DA
 for <dev@dpdk.org>; Tue, 18 Mar 2014 10:55:37 +0100 (CET)
Received: from orsmga002.jf.intel.com ([10.7.209.21])
 by orsmga102.jf.intel.com with ESMTP; 18 Mar 2014 02:52:31 -0700
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="4.97,676,1389772800"; d="scan'208";a="502168764"
Received: from irsmsx102.ger.corp.intel.com ([163.33.3.155])
 by orsmga002.jf.intel.com with ESMTP; 18 Mar 2014 02:57:03 -0700
Received: from irsmsx105.ger.corp.intel.com (163.33.3.28) by
 IRSMSX102.ger.corp.intel.com (163.33.3.155) with Microsoft SMTP Server (TLS)
 id 14.3.123.3; Tue, 18 Mar 2014 09:55:56 +0000
Received: from irsmsx103.ger.corp.intel.com ([169.254.3.27]) by
 IRSMSX105.ger.corp.intel.com ([169.254.7.87]) with mapi id 14.03.0123.003;
 Tue, 18 Mar 2014 09:55:55 +0000
From: "Richardson, Bruce" <bruce.richardson@intel.com>
To: sabu kurian <sabu2kurian@gmail.com>, "dev@dpdk.org" <dev@dpdk.org>
Thread-Topic: [dpdk-dev] Error : dereferencing pointer to incomplete type......
Thread-Index: AQHPQbrnnTNVGmjMCU+xEzCGCjtmC5rmnOEQ
Date: Tue, 18 Mar 2014 09:55:55 +0000
Message-ID: <59AF69C657FD0841A61C55336867B5B01A9D542B@IRSMSX103.ger.corp.intel.com>
References: <CAJ2bnfCD_FN6TOMr3+19NAPFjuty2h9rgHvJzxJDTCRqGSy+xQ@mail.gmail.com>
 <CAJ2bnfAFuovG3MoAv4Eqy-jX+Gdqx9-20ZPFjj+b-t957=CnCg@mail.gmail.com>
In-Reply-To: <CAJ2bnfAFuovG3MoAv4Eqy-jX+Gdqx9-20ZPFjj+b-t957=CnCg@mail.gmail.com>
Accept-Language: en-GB, en-US
Content-Language: en-US
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
x-originating-ip: [163.33.239.181]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Subject: Re: [dpdk-dev] Error : dereferencing pointer to
	incomplete	type......
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Tue, 18 Mar 2014 09:55:38 -0000

Maybe check that you have included the header files with the correct struct=
ure definitions.

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of sabu kurian
> Sent: Monday, March 17, 2014 8:28 AM
> To: dev@dpdk.org
> Subject: Re: [dpdk-dev] Error : dereferencing pointer to incomplete type.=
.....
>=20
> A little bit of correction on the second format:
>=20
> iphdr->packet_id =3D rte_bswap16(0x0001); // This one gives error as well=
....
>=20
> Any idea on what could be wrong ?
>=20
> Thanks
>=20
>=20
>=20
>=20
>=20
>=20
> On Mon, Mar 17, 2014 at 1:51 PM, sabu kurian <sabu2kurian@gmail.com>
> wrote:
>=20
> > Hello friends,
> >
> > I get a error like "dereferencing pointer to incomplete type", when I
> > try to fill in the IPv4 headers.
> >
> > Below is the code snippet:
> >
> > struct ether_hdr *ehdr =3D rte_pktmbuf_mtod(m_pool, struct ether_hdr
> *);
> >
> > struct ipv4_hdr *iphdr =3D (struct ipv4_hdr *)(&ehdr[1]);
> >
> >
> > iphdr->packet_id =3D (uint16_t)0x0001; //This gives error.
> >
> > rte_bswap16(iphdr->packet_id,0x0001); //This format also gives the
> > same error.
> >
> > And also what is the best way to copy an 8 bit (1 byte) value for
> > fields like 'type_of_service' ? will rte_memcpy() work for it ?
> >
> >
> >
> > Thanks in advance....
> >
> >