I am running using the 1.3.38 driver. We have also tried using the driver
provided DPDK. I can reproduce this behavior with the following steps. The
traffic we are generating has randomized IP address from several /24
networks.
root@x:~# lspci | grep 710
82:00.0 Ethernet controller: Intel Corporation Ethernet 10G 2P X710 Adapter
(rev 01)
82:00.1 Ethernet controller: Intel Corporation Ethernet 10G 2P X710 Adapter
(rev 01)
82:00.2 Ethernet controller: Intel Corporation Ethernet 10G 2P X710 Adapter
(rev 01)
82:00.3 Ethernet controller: Intel Corporation Ethernet 10G 2P X710 Adapter
(rev 01)
83:00.0 Ethernet controller: Intel Corporation Ethernet 10G 2P X710 Adapter
(rev 01)
83:00.1 Ethernet controller: Intel Corporation Ethernet 10G 2P X710 Adapter
(rev 01)
83:00.2 Ethernet controller: Intel Corporation Ethernet 10G 2P X710 Adapter
(rev 01)
83:00.3 Ethernet controller: Intel Corporation Ethernet 10G 2P X710 Adapter
(rev 01)
root@x:~# modprobe i40e
root@x:~# ethtool -N p2p4 rx-flow-hash tcp4 sd
root@x:~# ethtool -N p2p4 rx-flow-hash udp4 sd
root@x:~# ifconfig p2p4 up
root@x:~#ethtool -S p2p4
NIC statistics:
rx_packets: 842749216
tx_packets: 8
rx_bytes: 503124766615
tx_bytes: 648
rx_errors: 0
tx_errors: 0
rx_dropped: 0
tx_dropped: 0
collisions: 0
rx_length_errors: 0
rx_crc_errors: 0
rx_unicast: 842749231
tx_unicast: 0
rx_multicast: 0
tx_multicast: 6
rx_broadcast: 0
tx_broadcast: 0
rx_unknown_protocol: 0
fcoe_bad_fccrc: 0
rx_fcoe_dropped: 0
rx_fcoe_packets: 0
rx_fcoe_dwords: 0
fcoe_ddp_count: 0
fcoe_last_error: 0
tx_fcoe_packets: 0
tx_fcoe_dwords: 0
tx-0.tx_packets: 0
tx-0.tx_bytes: 0
rx-0.rx_packets: 842749216
rx-0.rx_bytes: 503124766615
tx-1.tx_packets: 0
tx-1.tx_bytes: 0
rx-1.rx_packets: 0
rx-1.rx_bytes: 0
tx-2.tx_packets: 8
tx-2.tx_bytes: 648
rx-2.rx_packets: 0
rx-2.rx_bytes: 0
tx-3.tx_packets: 0
tx-3.tx_bytes: 0
rx-3.rx_packets: 0
rx-3.rx_bytes: 0
tx-4.tx_packets: 0
tx-4.tx_bytes: 0
rx-4.rx_packets: 0
rx-4.rx_bytes: 0
tx-5.tx_packets: 0
tx-5.tx_bytes: 0
rx-5.rx_packets: 0
rx-5.rx_bytes: 0
tx-6.tx_packets: 0
tx-6.tx_bytes: 0
rx-6.rx_packets: 0
rx-6.rx_bytes: 0
tx-7.tx_packets: 0
tx-7.tx_bytes: 0
rx-7.rx_packets: 0
rx-7.rx_bytes: 0
tx-8.tx_packets: 0
tx-8.tx_bytes: 0
rx-8.rx_packets: 0
rx-8.rx_bytes: 0
<removed subsequent output>
root@x:~# ethtool -N p2p4 rx-flow-hash tcp4 sdfn
root@x:~# ethtool -N p2p4 rx-flow-hash udp4 sdfn
root@x:~# ethtool -S p2p4
NIC statistics:
rx_packets: 995860297
tx_packets: 8
rx_bytes: 594919177484
tx_bytes: 648
rx_errors: 0
tx_errors: 0
rx_dropped: 0
tx_dropped: 0
collisions: 0
rx_length_errors: 0
rx_crc_errors: 0
rx_unicast: 995860307
tx_unicast: 0
rx_multicast: 0
tx_multicast: 6
rx_broadcast: 0
tx_broadcast: 0
rx_unknown_protocol: 0
fcoe_bad_fccrc: 0
rx_fcoe_dropped: 0
rx_fcoe_packets: 0
rx_fcoe_dwords: 0
fcoe_ddp_count: 0
fcoe_last_error: 0
tx_fcoe_packets: 0
tx_fcoe_dwords: 0
tx-0.tx_packets: 0
tx-0.tx_bytes: 0
rx-0.rx_packets: 877750096
rx-0.rx_bytes: 523937667302
tx-1.tx_packets: 0
tx-1.tx_bytes: 0
rx-1.rx_packets: 1909700
rx-1.rx_bytes: 1136954121
tx-2.tx_packets: 8
tx-2.tx_bytes: 648
rx-2.rx_packets: 1895315
rx-2.rx_bytes: 1145483514
tx-3.tx_packets: 0
tx-3.tx_bytes: 0
rx-3.rx_packets: 1881385
rx-3.rx_bytes: 1152641588
tx-4.tx_packets: 0
tx-4.tx_bytes: 0
rx-4.rx_packets: 1907359
rx-4.rx_bytes: 1158220856
tx-5.tx_packets: 0
tx-5.tx_bytes: 0
rx-5.rx_packets: 1855043
rx-5.rx_bytes: 1118706052
tx-6.tx_packets: 0
tx-6.tx_bytes: 0
rx-6.rx_packets: 1914796
rx-6.rx_bytes: 1134671275
tx-7.tx_packets: 0
tx-7.tx_bytes: 0
rx-7.rx_packets: 1890944
rx-7.rx_bytes: 1132133104
tx-8.tx_packets: 0
tx-8.tx_bytes: 0
rx-8.rx_packets: 1892025
rx-8.rx_bytes: 1125067639
<subsequent output removed>
Thanks,
Trevor
On Thu, Aug 20, 2015 at 5:28 PM, Rose, Gregory V <[email protected]>
wrote:
> How are you configuring the NIC to do this? Are you using a tool or
> modifying the source code directly? Also, what driver are you using, what
> kernel version?
>
> - Greg
>
> > -----Original Message-----
> > From: Trevor Highland [mailto:[email protected]]
> > Sent: Thursday, August 20, 2015 2:59 PM
> > To: [email protected]
> > Subject: [E1000-devel] i40e RSS configuration
> >
> > I am looking to configure an X710 NIC to perform the RSS hashing using
> > only the src/dst IP address for all types of IPv4 traffic. When I set the
> > RSS configuration to hash on I40E_FILTER_PCTYPE_FRAG_IPV4 and
> > I40E_FILTER_PCTYPE_NONF_IPV4_OTHER, non fragmented IPv4 TCP packets are
> > always hashed to queue 0. What are the appropriate settings to hash IPv4
> > TCP packets only using the IP addresses as input? It isn't clear from the
> > datasheet what the appropriate settings should be, but this configuration
> > has been available to ixgbe and igb NICs.
> >
> > Trevor
>
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