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From: "Jeff Venable, Sr." <jeff@vectranetworks.com>
To: "Zhang, Helin" <helin.zhang@intel.com>, lhffjzh <lhffjzh@126.com>,
"'Thomas Monjalon'" <thomas.monjalon@6wind.com>
Thread-Topic: [dpdk-dev] Why only rx queue "0" can receive network packet by
i40e NIC
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Date: Thu, 23 Jul 2015 00:47:10 +0000
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Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Why only rx queue "0" can receive network
packet by i40e NIC
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Is the I40E incapable of operating RSS with ETH_RSS_IP (i.e. hashing withou=
t 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=20
> packet by i40e NIC
>=20
> Hi Helin,
>=20
> Thanks a lot for your great help, all of rx queue received network=20
> packet after I update rss_hf from "ETH_RSS_IP" to " ETH_RSS_PROTO_MASK ".
>=20
> static struct rte_eth_conf port_conf =3D {
> .rxmode =3D {
> .mq_mode =3D ETH_MQ_RX_RSS,
> .max_rx_pkt_len =3D ETHER_MAX_LEN,
> .split_hdr_size =3D 0,
> .header_split =3D 0, /**< Header Split disabled */
> .hw_ip_checksum =3D 1, /**< IP checksum offload enabled */
> .hw_vlan_filter =3D 0, /**< VLAN filtering disabled */
> .jumbo_frame =3D 0, /**< Jumbo Frame Support disabled */
> .hw_strip_crc =3D 0, /**< CRC stripped by hardware */
> },
> .rx_adv_conf =3D {
> .rss_conf =3D {
> .rss_key =3D NULL,
> .rss_hf =3D ETH_RSS_PROTO_MASK,
> },
> },
> .txmode =3D {
> .mq_mode =3D ETH_MQ_TX_NONE,
> },
> .fdir_conf.mode =3D RTE_FDIR_MODE_SIGNATURE, };
>=20
>=20
> Regards,
> Haifeng
>=20
> -----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=20
> packet by i40e NIC
>=20
> Hi Haifeng
>=20
> > -----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=20
> > packet
> by
> > i40e NIC
> >
> > Hi Thomas,
> >
> > Thanks very much for your reminder, you give me many help in this=20
> > mail
> list.
> >
> > The issue with detailed information just as below. but I don't know=20
> > 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=20
> > packet by DPDK, and another for receiving. I bind 4 processor's=20
> > logical cores with 4
> rx
> > queue "0,1,2,3" on receiving NIC, when I start to send packet, only=20
> > rx
> queue
> > "0"
> > can receive
> > the UDP packet, the others queue always receive nothing. but it is=20
> > work
> well on
> > ixgbe 10G NICs, I can receive network packet from all rx queues.=20
> > 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=20
> it correctly.
> In addition, this will be unified from 2.0. So I care about the DPDK ver=
sion.
> 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=20
> get the
> hash value hit different queues randomly.
>=20
> Regards,
> Helin
>=20
> >
> >
> > 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=20
> > 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=20
> > > network packet has same destination ip address but has more than=20
> > > 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=20
> > start a new question with enough details.
> >
> > Did you noticed you put some Cisco guys in CC instead of putting the=20
> > Intel responsible for i40e (see MAINTAINERS file)?
> >
>=20