Re: [dpdk-dev] Why only rx queue "0" can receive network packet by i40e NIC

["Jeff Venable, Sr." <jeff@vectranetworks.com>]

Is the I40E incapable of operating RSS with ETH_RSS_IP (i.e. hashing without L4 ports)?

Thanks,

Jeff

-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Zhang, Helin
Sent: Saturday, February 28, 2015 6:34 AM
To: lhffjzh; 'Thomas Monjalon'
Cc: dev@dpdk.org; maintainers@dpdk.org
Subject: Re: [dpdk-dev] Why only rx queue "0" can receive network packet by i40e NIC

Good to know that!

> -----Original Message-----
> From: lhffjzh [mailto:lhffjzh@126.com]
> Sent: Saturday, February 28, 2015 12:34 PM
> To: Zhang, Helin; 'Thomas Monjalon'
> Cc: dev@dpdk.org; maintainers@dpdk.org
> Subject: RE: [dpdk-dev] Why only rx queue "0" can receive network 
> packet by i40e NIC
> 
> Hi Helin,
> 
> Thanks a lot for your great help, all of rx queue received network 
> packet after I update rss_hf from "ETH_RSS_IP" to " ETH_RSS_PROTO_MASK ".
> 
> static struct rte_eth_conf port_conf = {
>     .rxmode = {
>         .mq_mode        = ETH_MQ_RX_RSS,
>         .max_rx_pkt_len = ETHER_MAX_LEN,
>         .split_hdr_size = 0,
>         .header_split   = 0, /**< Header Split disabled */
>         .hw_ip_checksum = 1, /**< IP checksum offload enabled */
>         .hw_vlan_filter = 0, /**< VLAN filtering disabled */
>         .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
>         .hw_strip_crc   = 0, /**< CRC stripped by hardware */
>     },
>     .rx_adv_conf = {
>         .rss_conf = {
>             .rss_key = NULL,
>             .rss_hf = ETH_RSS_PROTO_MASK,
>         },
>     },
>     .txmode = {
>         .mq_mode = ETH_MQ_TX_NONE,
>     },
>     .fdir_conf.mode = RTE_FDIR_MODE_SIGNATURE, };
> 
> 
> Regards,
> Haifeng
> 
> -----Original Message-----
> From: Zhang, Helin [mailto:helin.zhang@intel.com]
> Sent: Saturday, February 28, 2015 11:18 AM
> To: lhffjzh; 'Thomas Monjalon'
> Cc: dev@dpdk.org; maintainers@dpdk.org
> Subject: RE: [dpdk-dev] Why only rx queue "0" can receive network 
> packet by i40e NIC
> 
> Hi Haifeng
> 
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of lhffjzh
> > Sent: Saturday, February 28, 2015 9:48 AM
> > To: 'Thomas Monjalon'
> > Cc: dev@dpdk.org; maintainers@dpdk.org
> > Subject: Re: [dpdk-dev] Why only rx queue "0" can receive network 
> > packet
> by
> > i40e NIC
> >
> > Hi Thomas,
> >
> > Thanks very much for your reminder, you give me many help in this 
> > mail
> list.
> >
> > The issue with detailed information just as below. but I don't know 
> > who is
> the
> > dpdk i40e maintainers? is maintainers@dpdk.org?
> >
> > Hardware list:
> >     2 i40e 40G NICs
> >     Xeon E5-2670 v2(10 cores)
> >     32G memory
> >
> > I loopback 2 i40e NICs by QSFP cable, one NIC send UDP network 
> > packet by DPDK, and another for receiving. I bind 4 processor's 
> > logical cores with 4
> rx
> > queue "0,1,2,3" on receiving NIC, when I start to send packet, only 
> > rx
> queue
> > "0"
> > can receive
> > the UDP packet, the others queue always receive nothing. but it is 
> > work
> well on
> > ixgbe 10G NICs, I can receive network packet from all rx queues. 
> > does
> anyone
> > kindly know why?
> Could you help to list the DPDK version you are using now?
> Two possible reasons:
> 1. UDP rss is not enabled on your board correctly.
> 	I40e has different rss flags from ixgbe, so I am wondering if you use 
> it correctly.
> 	In addition, this will be unified from 2.0. So I care about the DPDK version.
> 2. The UDP stream is occasionally hit the hash key of queue 0.
> 	You'd better to try to send your UDP stream with random 5-tuples, to 
> get the
> 	hash value hit different queues randomly.
> 
> Regards,
> Helin
> 
> >
> >
> > Regards,
> > Haifeng
> >
> > -----Original Message-----
> > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
> > Sent: Friday, February 27, 2015 6:55 PM
> > To: lhffjzh
> > Cc: dev@dpdk.org
> > Subject: Re: Why only rx queue "0" can receive network packet by 
> > i40e NIC
> >
> > 2015-02-27 16:47, lhffjzh:
> > > Hi All,
> > >
> > > We use 4 cores loop 4 rx queues on one i40e port, but only rx queue "0"
> > can
> > > receive network packet, do anyone kindly know why? BTW, all of 
> > > network packet has same destination ip address but has more than 
> > > 200 different source ip address.
> >
> > It's possible that you don't have any answer for 2 reasons:
> > - you replied in a thread dedicated to Cisco enic questions
> > - you didn't describe your usage enough to understand your problem
> >
> > I suggest to use the button "new email" instead of "reply all" to 
> > start a new question with enough details.
> >
> > Did you noticed you put some Cisco guys in CC instead of putting the 
> > Intel responsible for i40e (see MAINTAINERS file)?
> >
>