Re: unable to capture packets

[Stephen Hemminger <stephen@networkplumber.org>]

On Mon, 7 Oct 2024 15:21:58 +0000
Bing Zhao <bingz@nvidia.com> wrote:

> Which NIC are you using?
> Have you tried dpdk-testpmd or l2fwd on your setup to check if the packet can be sent and received correctly?
> 
> BR. Bing
> 
> From: Lokesh Chakka <lvenkatakumarchakka@gmail.com>
> Sent: Monday, October 7, 2024 9:52 PM
> To: users <users@dpdk.org>
> Subject: unable to capture packets
> 
> External email: Use caution opening links or attachments
> 
> hello,
> 
> I'm trying to capture packets using the following piece of code :
> 
> ==========================================================
> struct rte_eth_rxconf rxq_conf = dev_info.default_rxconf;
> rxq_conf.offloads = port_conf.rxmode.offloads;
> rte_eth_rx_queue_setup( 0, 0, num_of_pkts_per_queue, (unsigned int)sock, &rxq_conf, mem_pool );
> rte_eth_dev_start( 0 );
> while( 1 )
> {
> num_of_pkts_rcvd = rte_eth_rx_burst( 0, 0, mbuf, num_of_pkts_per_queue );
> fprintf( stderr, "num_of_pkts_rcvd: %u\n", num_of_pkts_rcvd );
> }
> ==========================================================
> It's always printing num_of_pkts_rcvd as 0.
> 
> Can someone help me understand what the issue is ....
> 
> Thanks & Regards
> --
> Lokesh Chakka.

Also what is the startup log from the EAL and PMD.
You can also enable debug logging