From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: "Wu, Yiwen" <yiwen.wu76@gmail.com>
Cc: dev@dpdk.org
Subject: Re: No egressing packet
Date: Wed, 16 Sep 2015 09:32:03 +0200 [thread overview]
Message-ID: <1944265.eVANXui8GP@xps13> (raw)
In-Reply-To: <55F88932.7020800@gmail.com>
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
next prev parent reply other threads:[~2015-09-16 7:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-15 21:10 No egressing packet Wu, Yiwen
2015-09-16 7:32 ` Thomas Monjalon [this message]
2015-09-16 13:30 ` Wu, Yiwen
2015-09-16 13:35 ` Richardson, Bruce
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