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SubjectRe: [ovs-dev] [PATCH net-next v8] net: openvswitch: IPv6: Add IPv6 extension header support
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On 2022-03-02 12:03 PM, Roi Dayan wrote:
>
>
> On 2022-02-25 12:40 PM, patchwork-bot+netdevbpf@kernel.org wrote:
>> Hello:
>>
>> This patch was applied to netdev/net-next.git (master)
>> by David S. Miller <davem@davemloft.net>:
>>
>> On Wed, 23 Feb 2022 16:54:09 -0800 you wrote:
>>> This change adds a new OpenFlow field OFPXMT_OFB_IPV6_EXTHDR and
>>> packets can be filtered using ipv6_ext flag.
>>>
>>> Signed-off-by: Toms Atteka <cpp.code.lv@gmail.com>
>>> Acked-by: Pravin B Shelar <pshelar@ovn.org>
>>> ---
>>>   include/uapi/linux/openvswitch.h |   6 ++
>>>   net/openvswitch/flow.c           | 140 +++++++++++++++++++++++++++++++
>>>   net/openvswitch/flow.h           |  14 ++++
>>>   net/openvswitch/flow_netlink.c   |  26 +++++-
>>>   4 files changed, 184 insertions(+), 2 deletions(-)
>>
>> Here is the summary with links:
>>    - [net-next,v8] net: openvswitch: IPv6: Add IPv6 extension header
>> support
>>      https://git.kernel.org/netdev/net-next/c/28a3f0601727
>>
>> You are awesome, thank you!
>
> Hi,
>
> After the merge of this patch I fail to do ipv6 traffic in ovs.
> Am I missing something?
>
> ovs-vswitchd.log has this msg
>
> 2022-03-02T09:52:26.604Z|00013|odp_util(handler1)|WARN|attribute
> packet_type has length 2 but should have length 4
>
> Thanks,
> Roi


I think there is a missing userspace fix. didnt verify yet.
but in ovs userspace odp-netlink.h created from
datapath/linux/compat/include/linux/openvswitch.h
and that file is not synced the change here.
So the new enum OVS_KEY_ATTR_IPV6_EXTHDRS is missing and also struct
ovs_key_ipv6_exthdrs which is needed in lib/udp-util.c
in struct ovs_flow_key_attr_lens to add expected len for
OVS_KEY_ATTR_IPV6_EXTHDR.

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