Re: [ovs-dev] [ovs-discuss] Do you know how I can set nd_options_type field for ipv6 ND message?
On Tue, Feb 23, 2021 at 6:03 PM Yi Yang (杨燚)-云服务集团 wrote: > > Out of curious, I remember OVN doesn't support OVS DPDK, I believe OVN also > does IPv6 ND by openflow, is it acceptable to use slow path to handle IPv6 ND > for OVS kernel datapath? > Maybe OVN uses IPv6 ND, but not setting/matching 'nd_options_type'? William ___ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
Re: [ovs-dev] [ovs-discuss] Do you know how I can set nd_options_type field for ipv6 ND message?
On Sun, Feb 21, 2021 at 9:39 PM Yi Yang (杨燚)-云服务集团 wrote: > > 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. Yes, I'm testing it using userspace datapath. I think kernel datapath doesn't support setting nd_ext. Look like you can get it working by doing it in slow path, like the patch you pointed to. William ___ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
Re: [ovs-dev] [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 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 ___ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev