On 24 Aug 2023, at 9:50, xiao k via discuss wrote:
> hi,
> I tried run ovs-dpdk implement NAT connect tracking hardware offload,when i
> use "ovs-appctl dpctl/dump-flows -m" show the flow table,the status of
> offloaded field was "offloaded:partial",not full offloaded.Is there any way
> to make the CT flow full offloaded?
To my understanding conntrack is not hardware offloadable with OVS-DPDK
rte_flow.
//Eelco
> thank you for answer!
>
> AlmaLinux release 9.2 (Turquoise Kodkod)
> Linux nat-test 5.14.0-284.11.1.el9_2.x86_64
> ovs-vswitchd (Open vSwitch) 3.1.2
> DPDK 22.11.1
>
> driver: mlx5_core
> version: 23.07-0.5.0
> firmware-version: 22.38.1002 (MT_0000000359)
> bus-info: 0000:02:00.1
>
> # lspci | grep Mell
> 02:00.0 Ethernet controller: Mellanox Technologies MT2892 Family [ConnectX-6
> Dx]
> 02:00.1 Ethernet controller: Mellanox Technologies MT2892 Family [ConnectX-6
> Dx]
>
> # ovs-vsctl list Open_vSwitch
> _uuid : c920f611-5c90-4c8a-9f7a-5b17dbd076fa
> bridges : [6dab16e8-9b15-4933-9dd6-edd0c9d0dc09]
> cur_cfg : 11
> datapath_types : [netdev, system]
> datapaths : {}
> db_version : "8.3.1"
> dpdk_initialized : true
> dpdk_version : "DPDK 22.11.1"
> external_ids : {hostname=localhost,
> rundir="/usr/local/var/run/openvswitch", system-id=""}
> iface_types : [bareudp, dpdk, dpdkvhostuser, dpdkvhostuserclient,
> erspan, geneve, gre, gtpu, internal, ip6erspan, ip6gre, lisp, patch, stt,
> system, tap, vxlan]
> manager_options : []
> next_cfg : 11
> other_config : {dpdk-init="true", hw-offload="true"}
> ovs_version : "3.1.2"
> ssl : []
> statistics : {}
> system_type : unknown
> system_version : unknown
>
> # ethtool -k ens1f1 |grep hw-tc-offload
> hw-tc-offload: on
>
> # cat /sys/class/net/ens1f1/compat/devlink/mode
> switchdev
>
> # ovs-vsctl show
> c920f611-5c90-4c8a-9f7a-5b17dbd076fa
> Bridge br0
> fail_mode: secure
> datapath_type: netdev
> Port br0
> Interface br0
> type: internal
> Port pf1
> Interface pf1
> type: dpdk
> options: {dpdk-devargs="0000:02:00.1"}
> ovs_version: "3.1.2"
>
> # ovs-ofctl dump-flows br0
> cookie=0x0, duration=184398.446s, table=0, n_packets=0, n_bytes=0,
> priority=100,ip,nw_dst=99.99.99.0/24 actions=resubmit(,20)
> cookie=0x2e, duration=184398.446s, table=0, n_packets=1979461876,
> n_bytes=1979461876000, priority=100,ip,nw_src=172.31.21.160
> actions=resubmit(,20)
> cookie=0x0, duration=184398.446s, table=0, n_packets=135734,
> n_bytes=15186074, priority=0 actions=resubmit(,105)
> cookie=0x0, duration=184398.446s, table=20, n_packets=0, n_bytes=0,
> priority=100,ip,nw_dst=99.99.99.0/24
> actions=ct(commit,table=30,zone=283,nat(src))
> cookie=0x2e, duration=184398.446s, table=20, n_packets=1979461876,
> n_bytes=1979461876000, priority=100,ip,nw_src=172.31.21.160
> actions=ct(commit,table=30,nat(src=99.99.99.0-99.99.99.255))
> cookie=0x0, duration=184398.446s, table=30, n_packets=1979461844,
> n_bytes=1979461844000, priority=0,ip
> actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],move:NXM_OF_ETH_DST[]->NXM_OF_ETH_SRC[],dec_ttl,IN_PORT
> cookie=0x0, duration=184398.446s, table=105, n_packets=135248,
> n_bytes=15123293, priority=0 actions=NORMAL
>
> # ovs-appctl dpctl/dump-flows -m
> ufid:6e557ccd-a9dc-42e1-9ea6-f1c9b364aabf,
> skb_priority(0/0),skb_mark(0/0),ct_state(0/0),ct_zone(0/0),ct_mark(0/0),ct_label(0/0),recirc_id(0),dp_hash(0/0),in_port(pf1),packet_type(ns=0,id=0),eth(src=88:2a:5e:a9:30:bd/00:00:00:00:00:00,dst=b8:ce:f6:0a:13:29/00:00:00:00:00:00),eth_type(0x0800),ipv4(src=172.31.21.160,dst=9.0.0.10/192.0.0.0,proto=17/0,tos=0/0,ttl=63/0,frag=no),udp(src=2004/0,dst=80/0),
> packets:186963, bytes:186963000, used:0.000s, offloaded:partial, dp:ovs,
> actions:ct(commit,nat(src=99.99.99.0-99.99.99.255)),recirc(0x3),
> dp-extra-info:miniflow_bits(4,2)
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