[dpdk-dev] Starting pktgen in Tx mode only, without calling RX handler - is it possible ?

Wiles, Keith keith.wiles at intel.com
Sat Jun 9 15:54:04 CEST 2018



> On Jun 9, 2018, at 2:32 AM, Kevin Wilson <wkevils at gmail.com> wrote:
> 
> Hi,
> Is it possible to configure dpdk-pktgen so that it will start only
> transmitting packets, without Rx mode ?
> I could not find a way to achieve it.
> 
> More specifically, I mean starting dpdk-pktgen so that it won't call
> rte_eth_rx_burst()   ?
> 
> (rte_eth_rx_burst() is called from pktgen_main_receive(), which is in
> turn invoked from pktgen_main_rxtx_loop() and from
> pktgen_main_rx_loop() in app/pktgen.c ?

No, at this time pktgen-dpdk will always attempt to do RX calls as some PMDs like bonding need that RX call for timing.

> 
> Regards,
> KW

Regards,
Keith



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