[dpdk-dev] Can't make RSS work with 82598EB NIC

[金健]

DPDK1.3.1 or newer obsoletes the l2fwd-vf example. Because l2fwd also 
works well on virtual function platform.

So l2fwd use only one rx queue  for each port which attach to one core. 
Then RSS will not work for only one rx queue.

On 2013年10月11日 20:48, Costin Popescu wrote:
> Hi everyone!
>
> I have modified the l2fwd example application provided with dpdk in order to benefit from RSS. I have a development machine with an Intel I350 NIC (1Gb) where RSS seem to work (traffic forwarded on all cores).
> On the test machine there is a 82598EB based network card and here the RSS doesn't work, only core 0 is forwarding traffic.
> Looking into ixgbe_dev_mq_rx_configure() function from dpdk lib I can see that for this type of network controller the configuring function exits immediately.
> i.e. if (hw->mac.type == ixgbe_mac_82598EB) return 0;
> However the datasheet claims that RSS is supported.
> The test machine is an Intel Xeon E5420  @ 2.50GHz.
>
> Does anyone have an idea about why RSS would not work in the 82598EB case?
>
> Thanks,
> Costin
>
>

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