Thanks William, it is my ovs-ofctl issue, my ovs-vswitchd is new, but ovs-ofctl is old, but after I used ovs-ofctl, I still saw issues:
OFPT_ERROR (OF1.3) (xid=0x6): OFPBAC_BAD_SET_ARGUMENT OFPT_FLOW_MOD (OF1.3) (xid=0x6): ADD icmp6,icmp_type=135,icmp_code=0,nd_sll=22:70:e0:d0:fc:75 cookie:0x1234567890123456 actions=set_field:136->icmpv6_type,set_field:0->icmpv6_code,set_field:2->nd_options_type,resubmit(,0) OFPT_ERROR (OF1.3) (xid=0x6): OFPBAC_BAD_SET_ARGUMENT OFPT_FLOW_MOD (OF1.3) (xid=0x6): ADD icmp6,icmp_type=136,icmp_code=0 cookie:0x1234567890123456 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:22:70:e0:d0:fc:76->eth_src,move:NXM_NX_IPV6_SRC[]->NXM_NX_IPV6_DST[],set_field:fe80::2070:e0ff:fed0:fc76->ipv6_src,set_field:22:70:e0:d0:fc:76->nd_tll,set_field:57344->nd_reserved,IN_PORT I saw this thread https://www.mail-archive.com/ovs-dev@openvswitch.org/msg47815.html discussed it, it can work after I applied patch in https://www.mail-archive.com/ovs-dev@openvswitch.org/msg47815.html. So @Flavio, maybe you need to apply the patch in https://www.mail-archive.com/ovs-dev@openvswitch.org/msg47815.html to fix this issue in kernel datapath, per my check, kernel datapath with this patch can work, I verified it by using openflow to do NS reply and ICMPv6 ping reply. William, I guess you're using ovs userspace, so it doesn't have this issue. -----邮件原件----- 发件人: William Tu [mailto:u9012...@gmail.com] 发送时间: 2021年2月22日 12:20 收件人: Yi Yang (杨燚)-云服务集团 <yangy...@inspur.com> 抄送: vishal.deep.ajm...@ericsson.com; b...@ovn.org; ovs-...@openvswitch.org; ovs-discuss@openvswitch.org 主题: Re: [ovs-discuss] Do you know how I can set nd_options_type field for ipv6 ND message? On Sat, Feb 20, 2021 at 2:11 AM Yi Yang (杨燚)-云服务集团 <yangy...@inspur.com> wrote: > > Hi, folks > > > > I need to set nd_options_type to 2 for NS message to respond IPv6 NS, my flow > is below, why nd_options_type can’t be set? Per commit > 9b2b84973db76e1138d9234ff1b84bb6bb156011, it should work, what’s wrong? > Appreciate your help in advance, thank you. > > > > $ sudo ovs-ofctl -Oopenflow13 add-flow br-int > "table=0,ipv6,icmp6,icmp_type=135,icmp_code=0,nd_target=fe80::505c:cff:fe88:392f,nd_sll=52:5c:0c:88:39:2f,actions=set_field:136->icmpv6_type,set_field:0->icmpv6_code,move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:52:5c:0c:88:39:3f->eth_src,move:NXM_NX_IPV6_SRC[]->NXM_NX_IPV6_DST[],set_field:fe80::505c:cff:fe88:392f->ipv6_src,set_field:52:5c:0c:88:39:3f->nd_tll,set_field:2->nd_options_type,set_field:OxE000->nd_reserved,output:IN_PORT" > > ovs-ofctl: nd_options_type is not a valid OXM field name > > $ sudo ovs-ofctl -Oopenflow13 add-flow br-int > "table=0,ipv6,icmp6,icmp_type=135,icmp_code=0,nd_target=fe80::505c:cff:fe88:392f,nd_sll=52:5c:0c:88:39:2f,actions=set_field:136->icmpv6_type,set_field:0->icmpv6_code,move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],set_field:52:5c:0c:88:39:3f->eth_src,move:NXM_NX_IPV6_SRC[]->NXM_NX_IPV6_DST[],set_field:fe80::505c:cff:fe88:392f->ipv6_src,set_field:52:5c:0c:88:39:3f->nd_tll,load:2->ERICOXM_OF_ICMPV6_ND_OPTIONS_TYPE[],set_field:OxE000->nd_reserved,output:IN_PORT" > > ovs-ofctl: ERICOXM_OF_ICMPV6_ND_OPTIONS_TYPE[]: unknown field > `ERICOXM_OF_ICMPV6_ND_OPTIONS_TYPE' I tested by doing roos:~/ovs# ovs-ofctl add-flow br0 "in_port=1 icmp6,icmpv6_code=0,icmpv6_type=135 actions=set_field:2->nd_options_type, 2" roos:~/ovs# ovs-ofctl dump-flows br0 cookie=0x0, duration=8.492s, table=0, n_packets=0, n_bytes=0, icmp6,in_port="afxdp-p0",icmp_type=135,icmp_code=0 actions=load:0x2->ERICOXM_OF_ICMPV6_ND_OPTIONS_TYPE[],output:2 cookie=0x0, duration=1078.248s, table=0, n_packets=0, n_bytes=0, priority=0 actions=NORMAL Looks ok. William
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