From: "Wiles, Keith" <keith.wiles@intel.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: bai bakari <912873551@qq.com>, dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] About the data payload of rte_mbuf?
Date: Thu, 6 Dec 2018 15:17:19 +0000 [thread overview]
Message-ID: <BC4196DE-7488-443D-9351-CD7F34D04586@intel.com> (raw)
In-Reply-To: <20181205230914.2ea215f2@xeon-e3>
> On Dec 6, 2018, at 12:09 AM, Stephen Hemminger <stephen@networkplumber.org> wrote:
>
> On Thu, 6 Dec 2018 11:45:22 +0800
> "bai bakari" <912873551@qq.com> wrote:
>
>> when i send packets using dpdk-pktgen, i found:
>> ip_len = 46
>> ip_header_len = 20
>> but the tcp_header_len=(tcp_hdr->data_off << 2)=0,
>> and (payload - (uint8_t *)ipv4_hdr) = 340 > ip_len.
>
>
> 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
next prev parent reply other threads:[~2018-12-06 15:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-06 3:45 bai bakari
2018-12-06 4:20 ` Varghese, Vipin
2018-12-06 4:59 ` bai bakari
2018-12-06 5:41 ` Varghese, Vipin
2018-12-06 5:48 ` Shyam Shrivastav
2018-12-06 5:52 ` Shyam Shrivastav
2018-12-06 6:19 ` [dpdk-dev] =?gb18030?b?u9i4tKO6ICBBYm91dCB0aGUgZGF0YSBwYXlsb2Fk?= =?gb18030?q?_of_rte=5Fmbuf=3F?= =?gb18030?B?YmFpIGJha2FyaQ==?=
2018-12-06 7:09 ` [dpdk-dev] About the data payload of rte_mbuf? Stephen Hemminger
2018-12-06 15:17 ` Wiles, Keith [this message]
2018-12-06 17:22 ` Stephen Hemminger
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=BC4196DE-7488-443D-9351-CD7F34D04586@intel.com \
--to=keith.wiles@intel.com \
--cc=912873551@qq.com \
--cc=dev@dpdk.org \
--cc=stephen@networkplumber.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).