Hi Jesse,
I'm also running into a similar issue (or the same).
This is wtih OVS 2.4.1 running the DKMS kernel datapath on kernel
3.13.0-55-generic (Ubuntu Trusty).
# ovs-ofctl --version
ovs-ofctl (Open vSwitch) 2.4.1
Compiled Sep 14 2015 15:20:24
OpenFlow versions 0x1:0x4
And, indeed the error is given by ovs-dpctl dump-flows.
root@tm-devstack-mitaka-02:~# ovs-dpctl dump-flows
recirc_id(0),in_port(5),eth(src=fa:16:3e:6a:1a:d3,dst=00:00:5e:00:43:64),eth_type(0x0800),ipv4(dst=10.10.88.3,tos=0/0xfc,ttl=64,frag=no),
packets:4444, bytes:435512, used:0.400s,
actions:set(ipv4(dst=10.10.88.3,ttl=63)),set(eth(bad key length 24,
expected 12)(b6 ee 28 59 97 18 fa 16 3e a3 03 b8 08 00 04 00 81 00 10 04
08 00 07 00)),push_vlan(vid=4,pcp=0),recirc(0x1)
Here is the corresponding trace:
root@tm-devstack-mitaka-02:~# ovs-appctl ofproto/trace
'recirc_id(0),in_port(5),eth(src=fa:16:3e:6a:1a:d3,dst=00:00:5e:00:43:64),eth_type(0x0800),ipv4(dst=10.10.88.3,tos=0/0xfc,ttl=64,frag=no)'
Bridge: br-int
Flow:
ip,in_port=5,vlan_tci=0x0000,dl_src=fa:16:3e:6a:1a:d3,dl_dst=00:00:5e:00:43:64,nw_src=0.0.0.0,nw_dst=10.10.88.3,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=64
Rule: table=0 cookie=0x8c3a2abf371236df priority=0
OpenFlow actions=NORMAL
forwarding to learned port
Resubmitted flow:
ip,in_port=1,dl_vlan=3,dl_vlan_pcp=0,dl_src=fa:16:3e:6a:1a:d3,dl_dst=00:00:5e:00:43:64,nw_src=0.0.0.0,nw_dst=10.10.88.3,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=64
Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0
reg5=0x0 reg6=0x0 reg7=0x0
Resubmitted odp: drop
Resubmitted megaflow:
recirc_id=0,ip,in_port=5,vlan_tci=0x0000/0x1fff,dl_src=fa:16:3e:6a:1a:d3,dl_dst=00:00:5e:00:43:64,nw_frag=no
Rule: table=0 cookie=0x8c3a2abf371236df priority=1,in_port=1
OpenFlow actions=resubmit(,2)
Resubmitted flow: unchanged
Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0 reg4=0x0
reg5=0x0 reg6=0x0 reg7=0x0
Resubmitted odp: drop
Resubmitted megaflow:
recirc_id=0,ip,in_port=5,vlan_tci=0x0000/0x1fff,dl_src=fa:16:3e:6a:1a:d3,dl_dst=00:00:5e:00:43:64,nw_frag=no
Rule: table=2 cookie=0x8c3a2abf371236df
priority=1,in_port=1,dl_dst=00:00:5e:00:43:64
OpenFlow actions=output:2
Resubmitted flow: unchanged
Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0
reg4=0x0 reg5=0x0 reg6=0x0 reg7=0x0
Resubmitted odp: drop
Resubmitted megaflow:
recirc_id=0,ip,in_port=5,vlan_tci=0x0000/0x1fff,dl_src=fa:16:3e:6a:1a:d3,dl_dst=00:00:5e:00:43:64,nw_frag=no
Rule: table=0 cookie=0x3 priority=40000,ip,in_port=1,dl_vlan=3
OpenFlow actions=pop_vlan,output:12
Resubmitted flow:
ip,in_port=11,vlan_tci=0x0000,dl_src=fa:16:3e:6a:1a:d3,dl_dst=00:00:5e:00:43:64,nw_src=0.0.0.0,nw_dst=10.10.88.3,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=64
Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0 reg3=0x0
reg4=0x0 reg5=0x0 reg6=0x0 reg7=0x0
Resubmitted odp: drop
Resubmitted megaflow:
recirc_id=0,ip,in_port=5,vlan_tci=0x0000,dl_src=fa:16:3e:6a:1a:d3,dl_dst=00:00:5e:00:43:64,nw_dst=10.10.88.3,nw_frag=no
Rule: table=0 cookie=0x3
priority=40000,ip,in_port=11,nw_dst=10.10.88.3
OpenFlow
actions=dec_ttl,push_mpls:0x8847,load:0x92->OXM_OF_MPLS_LABEL[],resubmit:3
Resubmitted flow:
mpls,in_port=11,vlan_tci=0x0000,dl_src=fa:16:3e:6a:1a:d3,dl_dst=00:00:5e:00:43:64,mpls_label=146,mpls_tc=0,mpls_ttl=63,mpls_bos=1
Resubmitted regs: reg0=0x0 reg1=0x0 reg2=0x0
reg3=0x0 reg4=0x0 reg5=0x0 reg6=0x0 reg7=0x0
Resubmitted odp: drop
Resubmitted megaflow:
recirc_id=0,ip,in_port=5,vlan_tci=0x0000,dl_src=fa:16:3e:6a:1a:d3,dl_dst=00:00:5e:00:43:64,nw_dst=10.10.88.3,nw_tos=0,nw_ttl=64,mpls_label=0,mpls_bos=0,nw_frag=no
Rule: table=0 cookie=0x4
priority=40000,mpls,in_port=3,mpls_label=146,mpls_bos=1
OpenFlow
actions=pop_mpls:0x0800,push_vlan:0x8100,set_field:4100->vlan_vid,set_field:b6:ee:28:59:97:18->eth_src,set_field:fa:16:3e:a3:03:b8->eth_dst,output:2
The rule corresponding to the last action, is:
# ovs-ofctl dump-flows br-mpls |grep mod_dl_dst.*03:b8
cookie=0x4, duration=4612.451s, table=0, n_packets=4606,
n_bytes=451388, idle_age=0,
priority=40000,mpls,in_port=3,mpls_label=146,mpls_bos=1
actions=pop_mpls:0x0800,mod_vlan_vid:4,mod_dl_src:b6:ee:28:59:97:18,mod_dl_dst:fa:16:3e:a3:03:b8,output:2
Best,
-Thomas
2016-01-27 Jesse Gross :
On Sun, Jan 24, 2016 at 9:24 PM, Han Zhou <zhou...@gmail.com> wrote:
I went into the "bad key length" in below datapath flow in a test
environment:
recirc_id(0x109),in_port(5),ct_state(-new+est-rel-inv+trk),eth(src=fa:16:3e:00:49:66,dst=fa:16:3e:ca:4a:20),eth_type(0x0800),ipv4(src=
22.22.22.4/255.255.255.252,dst=22.22.23.4,tos=0/0x3,ttl=64,frag=no),
packets:4, bytes:392, used:0.740s, actions:set(eth(bad key length 24,
expected 12)(fa 16 3e b8 13 c6 fa 16 3e 2c d3 a2 20 00 0b 00 1c 00 07 00 16
16 16 04)),set(ipv4(src=22.22.22.4/255.255.255.252,dst=22.22.23.4,ttl=63)
),ct(commit),set(tunnel(tun_id=0x8,dst=10.65.241.187,ttl=64,geneve({class=0xffff,type=0,len=4,0x30004}),flags(df|key))),2
What is printing this? ovs-dpctl?
Since the length is exactly double the expected length, it seems like
we somehow have a masked set action that is unexpected.
Can you give all of the relevant version numbers? (Userspace, kernel
out-of-tree/upstream module, host kernel)
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