Re: [dpdk-dev] [dpdk-stable] [PATCH v2 2/2] examples/vmdq: fix RSS configuration

["Wu, Jingjing" <jingjing.wu@intel.com>]

> > > +	rss_hf_tmp = port_conf.rx_adv_conf.rss_conf.rss_hf;
> > > +	port_conf.rx_adv_conf.rss_conf.rss_hf &=
> > > +		dev_info.flow_type_rss_offloads;
> > > +	if (port_conf.rx_adv_conf.rss_conf.rss_hf != rss_hf_tmp) {
> > > +		printf("Port %u modified RSS hash function based on hardware
> > support,"
> >
> > This is RSS offload type but not hash function.
> 
> * The *rss_hf* field of the *rss_conf* structure indicates the different
>  * types of IPv4/IPv6 packets to which the RSS hashing must be applied.
>  * Supplying an *rss_hf* equal to zero disables the RSS feature.
> 
> And in testpmd, it's the same.
> port->dev_conf.rx_adv_conf.rss_conf.rss_hf =
> 				rss_hf & port->dev_info.flow_type_rss_offloads;

OK. I got, the definition of rss_hf at the beginning might be hash function which also the same as RSS offload type.
Ignore my comments then.

BTW hash function is also indicating TOEPLITZ/XOR... in somewhere. 


Thanks
Jingjng