From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Wiles, Keith" <keith.wiles@intel.com>
Subject: Re: About the data payload of rte_mbuf?
Date: Thu, 6 Dec 2018 15:17:19 +0000
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Cc: bai bakari <912873551@qq.com>, dev <dev@dpdk.org>
To: Stephen Hemminger <stephen@networkplumber.org>
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> On Dec 6, 2018, at 12:09 AM, Stephen Hemminger <stephen@networkplumber.or=
g> wrote:
>=20
> On Thu, 6 Dec 2018 11:45:22 +0800
> "bai bakari" <912873551@qq.com> wrote:
>=20
>> when i send packets using dpdk-pktgen, i found:
>> ip_len =3D 46
>> ip_header_len =3D 20
>> but the tcp_header_len=3D(tcp_hdr->data_off << 2)=3D0,=20
>> and (payload - (uint8_t *)ipv4_hdr) =3D 340 > ip_len.
>=20
>=20
> dpdk pktgen sends UDP not TCP.

Not sure I understand this statement Pktgen can send UDP or TCP, it depends=
 on the configuration. Does your statement mean Pktgen has a bug or what ?

Regards,
Keith