On 11/4/22 04:01, Thomas Lee via discuss wrote:
> I'm using OVS 2.17.2, I added a flow:
>
> ovs-ofctl add-flow -OOpenflow13 OLT
> table=22,NXM_NX_REG3[0..16]=65537,reg4=12,actions=learn(table=7,idle_timeout=300,NXM_OF_VLAN_TCI[0..11],NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],NXM_NX_REG3[0..16]=65537,load:0x0->NXM_NX_REG0[0..15],load:12->NXM_NX_REG4[]),resubmit(,7)
>
> Yet the dump-flows show the flow as：
> cookie=0x0, duration=1468.404s, table=22, n_packets=188, n_bytes=21809,
> reg3=0x10001/0x1ffff,reg4=0xd
> actions=learn(table=7,idle_timeout=300,NXM_OF_VLAN_TCI[0..11],NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],NXM_NX_REG3[0..16]=0x100,load:0->NXM_NX_REG0[0..15],load:0xd->NXM_NX_REG4[]),resubmit(,7)
>
> As you can see the match: NXM_NX_REG3[0..16]=65537 is right outside of
> learn() which is reg3=0x10001/0x1ffff, but in learn() is wrong:
> NXM_NX_REG3[0..16]=0x100.
>
> Is that a bug?
Yes. It is a bug. OVS doesn't seem to parse the value correctly.
I'll send a patch to fix that. Thanks for the report!
P.S. please, send plain text emails instead of html. Mail-list
doesn't lake them:
https://mail.openvswitch.org/pipermail/ovs-discuss/2022-November/052099.html
Best regards, Ilya Maximets.
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