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From: "Wu, Yiwen" <yiwen.wu76@gmail.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] No egressing packet
Date: Wed, 16 Sep 2015 09:30:34 -0400	[thread overview]
Message-ID: <55F96EFA.8050006@gmail.com> (raw)
In-Reply-To: <1944265.eVANXui8GP@xps13>

Thomas,

I am using rte_eth_tx_burst to send packets. I also use 
rte_eth_add_tx_callback to register a callback to figure out what has 
been sent.

Thanks,

Yiwen

On 9/16/2015 3:32 AM, Thomas Monjalon wrote:
> 2015-09-15 17:10, Wu, Yiwen:
>> Hi all,
>>
>> I am new to dpdk. I am running a single forwarding program based on dpdk
>> 2.1.0. The program runs on a VM, binding on two interfaces. All it's
>> doing is to forward packets from one interface to another. All
>> ingressing packets are fine but there seems no egressing packets. I used
>> rte_eth_add_tx_callback to register a tx callback. The callback is able
>> to print the right egress packet but the destination is just not
>> receiving it (via tcpdump). Does anybody have the similar experience?
>> Any solution or hints will be great.
> You need to call rte_eth_tx_burst() instead of rte_eth_add_tx_callback().
> For more information, please check the guide:
> 	http://dpdk.org/doc/guides/prog_guide/poll_mode_drv.html#poll-mode-driver
> You can also check this basic example:
> 	http://dpdk.org/browse/dpdk/tree/examples/skeleton/basicfwd.c

  reply	other threads:[~2015-09-16 13:30 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-15 21:10 Wu, Yiwen
2015-09-16  7:32 ` Thomas Monjalon
2015-09-16 13:30   ` Wu, Yiwen [this message]
2015-09-16 13:35     ` Richardson, Bruce

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