[dpdk-users] l3fwd rte_eth_dev_configure: err=-17

[Pavel Shirshov]

Hello,

What version of DPDK?
What NIC on port 0?

Thanks

On Sun, Jul 30, 2017 at 12:42 AM,  <czy12345 at mail.ustc.edu.cn> wrote:
> Hello experts,
>
> I have successfully ran l2fwd example. But I'm having troubles running the l3fwd example. I find that in l2fwd the nb_tx_queue parameter of function rte_eth_dev_configure is equal to 1, but in l3fwd the parameter is set to the number of lcores. And then when I use more than one lcores, the function fails. Wondering what is related with the problem?
>
> Thanks in advance.
>
> #./l3fwd -l 1 -n 4 -- -p 0x3 --config="(0,0,1),(1,0,1)" --parse-ptype
> success
>
> #./l3fwd -l 1,2 -n 4 -- -p 0x3 --config="(0,0,1),(1,0,2)" --parse-ptype
> EAL: Detected 8 lcore(s)
> EAL: Probing VFIO support...
> EAL: VFIO support initialized
> EAL: PCI device 0000:01:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:10e6 net_e1000_igb
> EAL: PCI device 0000:01:00.1 on NUMA socket -1
> EAL:   probe driver: 8086:10e6 net_e1000_igb
> EAL: PCI device 0000:02:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:10d3 net_e1000_em
> EAL: PCI device 0000:03:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:10d3 net_e1000_em
> EAL: PCI device 0000:04:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:10d3 net_e1000_em
> EAL: PCI device 0000:05:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:10d3 net_e1000_em
> EAL: PCI device 0000:06:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:10d3 net_e1000_em
> EAL: PCI device 0000:07:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:10d3 net_e1000_em
> soft parse-ptype is enabled
> L3FWD: LPM or EM none selected, default LPM on
> Initializing port 0 ... Creating queues: nb_rxq=1 nb_txq=2... EAL: Error - exiting with code: 1
>   Cause: Cannot configure device: err=-17, port=0