[dpdk-users] Freeing up Mbuf

[Wiles, Keith]

> On Dec 22, 2016, at 9:54 PM, Anupam Kapoor <anupam.kapoor at gmail.com> wrote:
> 
> On Thu, Dec 22, 2016 at 10:17 PM, Kumaraparameshwaran Rathnavel <
> krath at cloudsimple.com> wrote:
> 
>> In FreeBSD the user can actually specify the free routine for the mbuf
>> when the transmit routine is called. Is this implemented in DPDK.
> 
> 
> ​currently, afaik, dpdk ​does not provide this functionality. basically,
> there is no way to poll the tx-ring for consumed buffers. or to put it
> another way, rte_eth_tx_burst doesn't synchronously transmit the packets.

A new patch set is being add to support flushing of the tx done ring. Only a couple to PMDs have support today, but more should be coming or you can add a patch to support your NIC.

http://dpdk.org/ml/archives/dev/2016-November/050444.html

> 
> ​--
> kind regards
> anupam​
> 
> 
> In the beginning was the lambda, and the lambda was with Emacs, and Emacs
> was the lambda.

Regards,
Keith