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From: Cliff Burdick <shaklee3@gmail.com>
To: David Aldrich <david.aldrich.ntml@gmail.com>
Cc: users <users@dpdk.org>
Subject: Re: [dpdk-users] Why is udp packet, sent by dpdk, received with zero'd payload?
Date: Wed, 1 Jul 2020 06:08:38 -0700	[thread overview]
Message-ID: <CA+Gp1nb2mLJQqKHwytSbBFOj3bCb_QR-N77L1iKwimJ=sv84hw@mail.gmail.com> (raw)
In-Reply-To: <CAJK_iegoJpQOCJ5+wdCPBBBbFU9+i5MnDwgQPtLmdtkxboF8gA@mail.gmail.com>

Sorry, I didn't see those below, but it looks incorrect. Those numbers
should match if you're using a single segment. My guess is the 42 is
truncating it to the size of the udp header part only.


On Wed, Jul 1, 2020, 06:04 David Aldrich <david.aldrich.ntml@gmail.com>
wrote:

> > Are you setting data_len and packet_len in the mbuf before sending?
>>
>
>  Yes, and I believe that the mbuf dump and the tcpdump that I included
> show that these lengths are set correctly.  The problem is that udp payload
> is present but consists of all 0's.
>

  reply	other threads:[~2020-07-01 13:08 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-01 10:23 David Aldrich
2020-07-01 12:57 ` Cliff Burdick
2020-07-01 13:04   ` David Aldrich
2020-07-01 13:08     ` Cliff Burdick [this message]
2020-07-01 13:40   ` David Aldrich
2020-07-01 14:59     ` Cliff Burdick
2020-07-01 15:06       ` David Aldrich
2020-07-01 15:38         ` Cliff Burdick
2020-07-01 15:56         ` Matt Laswell
2020-07-01 16:48           ` David Aldrich
2020-07-01 17:57             ` Cliff Burdick

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