On Thu, Jun 09, 2016 at 06:07:43PM +0530, Akshaya Mahadik wrote:
> Hi
> I am new to ovs and recently was working with conntrack and i got this error
>
> ovs-ofctl add-flow mybridge \ "table=71,
> priority=65,ct_state=-trk,ip,reg5=0x1,in_port=1,dl_src=fa:16:3e:a4:22:10,nw_src=192.168.0.1
> actions=ct(table=72,zone=NXM_NX_REG6[0..15])"
> OFPT_ERROR (xid=0x6): OFPBMC_BAD_MASK
> NXT_FLOW_MOD (xid=0x6):
> (***truncated to 64 bytes from 128***)
> 00000000 01 04 00 80 00 00 00 06-00 00 23 20 00 00 00 0d |..........# ....|
> 00000010 00 00 00 00 00 00 00 00-47 00 00 00 00 00 00 41 |........G......A|
> 00000020 ff ff ff ff ff ff 00 00-00 32 00 00 00 00 00 00 |.........2......|
> 00000030 00 00 00 02 00 01 00 00-04 06 fa 16 3e a4 22 10 |............>.".|
>
> Can u plz help with this
> ovs=2.5.0
> conntract=1.4.3
> kernal=3.18
It seems likely that the kernel you're using doesn't have an OVS module
with conntrack support.
### Q: Are all features available with all datapaths?
A: Open vSwitch supports different datapaths on different platforms. Each
datapath has a different feature set: the following tables try to summarize
the status.
Supported datapaths:
* *Linux upstream*: The datapath implemented by the kernel module shipped
with Linux upstream. Since features have been gradually
introduced into the kernel, the table mentions the first
Linux release whose OVS module supports the feature.
* *Linux OVS tree*: The datapath implemented by the Linux kernel module
distributed with the OVS source tree.
* *Userspace*: Also known as DPDK, dpif-netdev or dummy datapath. It is the
only datapath that works on NetBSD, FreeBSD and Mac OSX.
* *Hyper-V*: Also known as the Windows datapath.
The following table lists the datapath supported features from
an Open vSwitch user's perspective.
Feature | Linux upstream | Linux OVS tree | Userspace | Hyper-V |
----------------------|:--------------:|:--------------:|:---------:|:-------:|
NAT | 4.6 | NO | NO | NO |
Connection tracking | 4.3 | YES | NO | PARTIAL |
Tunnel - LISP | NO | YES | NO | NO |
Tunnel - STT | NO | YES | NO | YES |
Tunnel - GRE | 3.11 | YES | YES | YES |
Tunnel - VXLAN | 3.12 | YES | YES | YES |
Tunnel - Geneve | 3.18 | YES | YES | NO |
QoS - Policing | YES | YES | NO | NO |
QoS - Shaping | YES | YES | NO | NO |
sFlow | YES | YES | YES | NO |
IPFIX | 3.10 | YES | YES | NO |
Set action | YES | YES | YES | PARTIAL |
NIC Bonding | YES | YES | YES | NO |
Multiple VTEPs | YES | YES | YES | NO |
**Notes:**
* Only a limited set of flow fields is modifiable via the set action by the
Hyper-V datapath.
* The Hyper-V datapath only supports one physical NIC per datapath. This is
why bonding is not supported.
* The Hyper-V datapath can have at most one IP address configured as a
tunnel endpoint.
The following table lists features that do not *directly* impact an
Open vSwitch user, e.g. because their absence can be hidden by the ofproto
layer (usually this comes with a performance penalty).
Feature | Linux upstream | Linux OVS tree | Userspace | Hyper-V |
----------------------|:--------------:|:--------------:|:---------:|:-------:|
SCTP flows | 3.12 | YES | YES | YES |
MPLS | 3.19 | YES | YES | YES |
UFID | 4.0 | YES | YES | NO |
Megaflows | 3.12 | YES | YES | NO |
Masked set action | 4.0 | YES | YES | NO |
Recirculation | 3.19 | YES | YES | YES |
TCP flags matching | 3.13 | YES | YES | NO |
Validate flow actions | YES | YES | N/A | NO |
Multiple datapaths | YES | YES | YES | NO |
Tunnel TSO - STT | N/A | YES | NO | YES |
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