netdev - Re: [net-next PATCH 02/15] net: Merge VXLAN and GENEVE push notifiers into a single notifier

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Message-ID: <CAKgT0Ufd_BNSLrJUqN-eWjytf0aD2w_LVWFD7E1ym+A0jRhCtA@mail.gmail.com>
Date:	Mon, 13 Jun 2016 12:47:39 -0700
From:	Alexander Duyck <alexander.duyck@...il.com>
To:	Hannes Frederic Sowa <hannes@...hat.com>
Cc:	Alexander Duyck <aduyck@...antis.com>,
	Netdev <netdev@...r.kernel.org>,
	intel-wired-lan <intel-wired-lan@...ts.osuosl.org>,
	Jesse Gross <jesse@...nel.org>, Jiri Benc <jbenc@...hat.com>,
	Saeed Mahameed <saeedm@...lanox.com>,
	Ariel Elior <ariel.elior@...gic.com>,
	Tom Herbert <tom@...bertland.com>,
	Dept-GELinuxNICDev@...gic.com, David Miller <davem@...emloft.net>,
	Eugenia Emantayev <eugenia@...lanox.com>
Subject: Re: [net-next PATCH 02/15] net: Merge VXLAN and GENEVE push notifiers
 into a single notifier

On Mon, Jun 13, 2016 at 10:57 AM, Hannes Frederic Sowa
<hannes@...hat.com> wrote:
> Hi Alex,
>
> very cool series!
>
> On 13.06.2016 19:48, Alexander Duyck wrote:
>> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
>> index d101e4d904ba..e959b6348f91 100644
>> --- a/include/linux/netdevice.h
>> +++ b/include/linux/netdevice.h
>> @@ -1269,6 +1269,14 @@ struct net_device_ops {
>>       void                    (*ndo_del_geneve_port)(struct  net_device *dev,
>>                                                      sa_family_t sa_family,
>>                                                      __be16 port);
>> +     void                    (*ndo_add_udp_enc_port)(struct  net_device *dev,
>> +                                                    sa_family_t sa_family,
>> +                                                    __be16 port,
>> +                                                    unsigned int type);
>> +     void                    (*ndo_del_udp_enc_port)(struct  net_device *dev,
>> +                                                    sa_family_t sa_family,
>> +                                                    __be16 port,
>> +                                                    unsigned int type);
>>       void*                   (*ndo_dfwd_add_station)(struct net_device *pdev,
>>                                                       struct net_device *dev);
>>       void                    (*ndo_dfwd_del_station)(struct net_device *pdev,
>
> What do you think about adding a struct as argument to
> ndo_*_udp_enc_port? As a result we can much easier add new fields in
> case future NICs allow us to e.g. specify a bound ip address?

Actually that is probably a good idea.  Suggestions on the name are
welcome.  Otherwise I will try to come up with something in a bit as I
am currently going through and flushing out all the driver specific
VXLAN and GENEVE build flags.

- Alex